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Construction and Operations Management Report
Project 205783 | File COMR Final 20110726 26 July 2011 | Aurecon Page i
Appendix DEnvironmental Management Plan
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DRAFT ENVIRONMENTAL
MANAGEMENT PLAN
Castle Hill Wind Farm
Genesis Energy
July 2011
Doc Ref (BD-REWE-051, B669537)
Version Issue Date Description Prepared Authorised
Draft 26/07/2011Draft lodged with ResourceConsent applications
Tim McKenzie Kerry Butler
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DOCUMENT CONTROL No:
AMENDMENT RECORD
Castle Hill Wind Farm
Environmental Management
Plan
Prepared by:
Genesis Energy
Initial:
Title:Genesis Energy File name:
Pages Date Issue Description Initials
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Table of Contents
Table of Contents ..........................................................................................................i
Tables ......................................................................................................................... iii
Figures ........................................................................................................................ iii
Document Register .....................................................................................................iv
Project Terminology and Glossary ................................................................................v
1. The Castle Hill Wind Farm Project...................................................................... 1
2. Purpose and Scope ........................................................................................... 3
3. Statutory Requirements ..................................................................................... 4
4. Genesis Energy’s Approach to Environmental Management ............................... 5
5. Environmental Management Framework ............................................................. 7
6. Revisions and EMP Evolution ........................................................................... 12
7. EMP Roles and Responsibilities ....................................................................... 18
8. Construction Environmental Management ........................................................ 21
9. Erosion and Sediment Control Measures ......................................................... 31
10. Water Management ......................................................................................... 38
11. Site Rehabilitation and Reinstatement .............................................................. 40
12. Air Quality ........................................................................................................ 43
13. Construction Noise Management .................................................................... 44
14. Traffic and Transport Management................................................................... 45
15. Concrete Batching Plant Management ............................................................. 46
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16. Management of Quarries and Crushing Facilities.............................................. 47
17. Archaeological and Heritage Management ....................................................... 48
18. Biodiversity Management................................................................................. 49
19. Visual Mitigation .............................................................................................. 53
20. Hazardous Material Management..................................................................... 54
21. Operations and Maintenance Environmental Management ............................... 57
22. Incidents.......................................................................................................... 63
23. Inspection, Monitoring and Auditing ................................................................. 67
24. Complaints and Enquiries................................................................................. 70
25. EMP Documentation........................................................................................ 71
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Tables
Table 1: EMP Content
Table 2: SEMP Topics and Location
Table 3: Castle Hill Wind Farm – Component Location Consenting Approach
Table 4: EMP Roles and Responsibilities
Table 5: Site Responsibilities
Table 6: Potential Environmental Effects and Environment Management Measures
Table 7: Typical Operations and Maintenance Activities, Effects and Management
Table 8: Environmental Inspections
Figures
Figure 1: Location Map
Figure 2: Layout Overview
Figure 3: External Roads
Figure 4: Wind Farm Component Map A1
Figure 5: Wind Farm Component Map A2
Figure 6: Wind Farm Component Map A3
Figure 7: Wind Farm Component Map A4
Figure 8: Project Organisational Chart
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Document Register
Copy Number Held By
1 Genesis Energy
2 Genesis Energy
3 Genesis Energy
4 Greater Wellington Regional Council
5 Horizons Regional Council
6 Masterton District Council
7 Tararua District Council
8 Consulting Engineer9 Contractor
10 Contractor
This Environmental Management Plan for the Castle Hill Wind Farm must be reissued to all
parties following substantive amendment to its contents.
Advice Note: Instructions or matters subject to update are identified in italics.
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Project Terminology and Glossary
Central Laydown Area(s) Areas On-site that may be used to store turbine components for asub-set of turbine locations, or on which construction equipmentand materials can be placed. This is an alternative option to storingcomponents Off-site or at individual Turbine Platforms.
CHWF Castle Hill Wind Farm.
CHWF Landowners Owners of the land on which the wind farm will be built. CHWFLandowners have signed agreements with Genesis Energy.
CHWF Landowners Dwellings Dwellings within the CHWF Site.
CHWF Site or Site The area of land defined by the land titles covered by agreements.
Concrete Batching Plant A facility required for making concrete. Likely to include a concrete
mixer, cement bins, sand and aggregate stockpiles, water storagetanks and storage areas for equipment and tools.
Construction Traffic Routes External Roads used for non-OW/OD construction traffic.
Contractor Compound Centre for construction management and workshop based activitiesconsisting of offices, workshops, storage, parking and amenities.
Electrical Balance of Plant(EBoP)
All electrical structures and equipment related to the collection andreticulation of electrical power around CHWF and required toconnect the CHWF to the External Transmission Line. Plantincludes underground cables, overhead reticulation lines,transformers, substations and switchgear.
Engineered Fill Excavated material (excluding top soil) that is incorporated intoengineered earthworks such as road fills, Turbine Platforms andCentral Laydown Areas. Placement and treatment of theEngineered Fill is designed to meet construction requirements forsuch aspects as drainage, strength and stability.
Excess Fill Soil removed from the ground which is either not suitable or notneeded as Engineered Fill.
Excess Fill Areas Areas for disposal of Excess Fill.
External Dwellings Dwellings external to the CHWF Site.
External Roads Public roads that are planned to be used for traffic associated with
the construction and operation of the CHWF and including roadsused by Over-weight and Over-dimension Vehicles.
External Transmission Line The electricity transmission line which connects CHWF to theTranspower national grid.
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Indicative Turbine Layouts Turbine layouts that have been created to represent the range ofpossible turbine layouts:
80M – a turbine layout consisting of 286 Medium Turbines basedon a turbine with an 80m rotor diameter.
90M – a turbine layout consisting of 262 Medium Turbines basedon a turbine with a 90m rotor diameter.
100L – a turbine layout consisting of 242 Large Turbines based ona turbine with a 100m rotor diameter.
110L – a turbine layout consisting of 186 Large Turbines based ona turbine with a 110m rotor diameter.
Internal Roads Roads that will be constructed within the CHWF Site fortransporting wind farm components and materials within the Siteand to allow access around the Site for construction andoperational activities.
Internal Transmission Line The 220kV electricity transmission line that is On-site and connectsthe main substation to the satellite substation.
Internal Transmission LineDeviation
The deviation of the Internal Transmission Line to connect it to theSwitching Station.
Large Turbine Configuration Any turbine configuration that consists only of Large Turbines with amaximum quantity of 242 turbines.
Large Turbines Turbines that have a maximum tip height greater than 135m but nogreater than 155m.
Lay-by A passing bay which provides a means for large vehicles to passeach other on Internal Roads.
Main Substation The larger of the two substations, located in the southern region ofthe wind farm.
Medium Turbine Configuration Any turbine configuration that consists only of Medium Turbineswith a maximum quantity of 286 turbines.
Medium Turbines Turbines that have a maximum tip height of 135m.
Mixed Turbine Configuration Any turbine configuration that consists of a mixture of LargeTurbines and Medium Turbines with a maximum quantity of turbineslimited by the proportion of Medium and Large Turbines.
Off-site Anywhere outside the CHWF Site.
On-site Anywhere within the CHWF Site.
OW/OD Over-weight and/or over-dimension.
OW/OD Route External Roads used for OW/OD Vehicles.
OW/OD Vehicles Any vehicle with a gross mass in excess of 40 tonnes and/or over20 metres in length, 2.5 m in width and 4.25 m in height.
Road Pavement The top layer of material on the Internal Road that forms a surfacethat is designed specifically for traffic to regularly pass over it.
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Satellite Substation The smaller of the two substations, located in the northern region ofthe wind farm.
Switching Station Provides an optional connection point for the External TransmissionLine to connect to the Internal Transmission Line as an alternativeto connecting at the Main Substation.
Turbine Clusters Groupings of turbines for ease of reference.
Turbine Corridor The area of the CHWF Site in which Turbines can be located.
Turbine Foundations The underground foundation upon which each turbine is based andwhich keeps the Turbine upright and stable.
Turbine Platform An engineered flat area beside the turbine that will be used forlaying out and assembling turbine components and as a hardstanding area for construction equipment and vehicles, particularly
the construction crane.Turbines Wind turbine generators consisting of foundations, tower, nacelle
and rotor and including all equipment for and associated with thegeneration of electricity from the wind.
Wind Farm Access Points Entrances to the CHWF Site where External Roads meet InternalRoads.
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1. The Castle Hill Wind Farm Project
Genesis Energy is proposing to construct and operate a wind farm in northern Wairarapa,
known as the Castle Hill Wind Farm (hereafter referred to as “CHWF”). The CHWF Site is
located 20km east of Eketahuna and Pahiatua, 20km north-east of Masterton and 15km west of
the Wairarapa coast north of Castlepoint (Figure 1, Appendix A). The CHWF Site covers an
area of approximately 30,000ha.
The CHWF Site is characterised by undulating hills of predominantly pastoral grass, with grazing
by sheep and cattle. Stands of native vegetation are located throughout the Site, particularly in
gullies, with several small forestry blocks scattered across the Site. The topography is varied,
with elevation ranging from 200m to 500m above sea level.
The CHWF Site is located in a remote area that is sparsely populated. There are six small ruralsettlements in or around the CHWF area including Tinui, Pongaroa, Alfredton, Makuri, Tiraumea
and Bideford. These six settlements had a combined population in 2006 of around 500 people
in 110 households1. Masterton (population 18,000), Pahiatua (population 2,600) and Eketahuna
(population 460) are the larger townships located within 30kms of the CHWF Site2 (Figure 1,
Appendix A).
Key components and features of the CHWF project include:
• Turbines: plant consisting of foundations, tower, nacelle and rotor for conversion of
wind energy into electricity.
• A Turbine Corridor: 3,144ha identified as suitable for turbine placement. Turbines
will be located within this corridor.
• Turbine Clusters: groupings of turbines for ease of reference.
• Turbine Configurations: up to 286 Medium Turbines (maximum tip height 135m) or
up to 242 Large Turbines (maximum tip height greater than 135m but no greater
than 155m) or a mixture of Medium and Large Turbines installed within the Turbine
Corridor.
• Internal Roads: roads constructed within the CHWF Site for transporting wind farm
components, materials and personnel within the Site and to allow access aroundthe Site for construction and operational activities.
1Statistics NZ 2006 Census
2Statistics NZ 2006 Census
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• Electrical Balance of Plant (EBoP): All electrical structures and equipment related to
the collection and reticulation of electrical power around CHWF to the point of
connection to the External Transmission Line. Plant includes an Internal
Transmission Line, 33kV overhead lines, 33kV underground cables, a MainSubstation and Satellite Substation, an optional Switching Station and switch gear
huts along with other associated electrical equipment.
• Monitoring masts: up to 16 monitoring masts to collect on-going meteorological
information during the operational life of the CHWF.
• External Roads: Public roads near the Site that are planned to be used for traffic
associated with the construction and operation of the CHWF and by Over-weight
and Over-dimension Vehicles (OW/OD Vehicles).
• Earthworks associated with the construction and maintenance of the CHWF.
• Temporary construction infrastructure: components required for construction of theCHWF including Concrete Batching Plants, Central Laydown Areas, Excess Fill
Areas, Contractor Compound, quarrying and crushing facilities and water storage
and abstraction facilities.
• Operations infrastructure e.g. operations and maintenance buildings (O&M
facilities).
The Turbine Corridor, Turbine Clusters, Internal Roads, Substations and the Internal
Transmission Line are shown in Figure 2, Appendix A. External Roads are shown in Figure 3
(Appendix A), and wind farm components are shown on Figures 4, 5, 6, 7 in Appendix A.
The generation capacity of the CHWF is in the order of 600MW. The maximum capacity will be
dependent on the type of turbine eventually selected for the Site but current Site and wind
turbine analysis indicates a potential capacity of up to 860MW.
Development of the CHWF may progress in stages, with any first stage being in the order of
300MW. This capacity depends on the wind turbine model selected, but will also depend on
other commercial and technical factors.
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2. Purpose and Scope
In applying for the resource consents to construct and operate the CHWF and associated
structures, Genesis Energy identified how potential environmental effects would be avoided,
remedied, mitigated and ultimately managed. As a means of augmenting the mitigation
measures proposed to address environmental effects set out in the Assessment of
Environmental Effects (AEE), this Environmental Management Plan (EMP) has been prepared to
articulate, and implement those environmental management measures.
This EMP provides an overarching management framework that will manage environmental
effects which arise from the construction, commissioning and operation of the CHWF project. It
identifies roles and responsibilities and includes practical management actions, performance
requirements, and a system of monitoring, reporting and auditing, and corrective action
requirements for the project.
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3. Statutory Requirements
Genesis Energy [is seeking/holds] resource consents from Tararua District Council (TDC),
Masterton District Council (MDC), Greater Wellington Regional Council (GWRC) and the
Manawatu-Wanganui Regional Council (MWRC) for the construction, operation, maintenance,
replacement and refurbishment of all structures associated with the CHWF. [These consents
are attached in Appendix B].
The conditions of those consents [sought/held] specify various standards, terms, restrictions
and prohibitions. The purpose of those conditions is to provide certainty in relation to the
effective management and enforceability of the consents, such that in relation to the operation
or development of the CHWF, any adverse effects on the environment are avoided, remedied
or mitigated.
3.1 Consent Timeframes and Implementation
The resource consents Genesis Energy [is seeking/holds] consist of land use consents which
have an unlimited duration and regional resource consents relating to permanent features (for
example bridges and culverts) which have a duration of 35 years. The lapse period or period of
time following the grant of consent where by substantial progress must have been made
towards giving effect to the consent and continues to be made has been [sought/granted] for
10 years. To enable construction of wind farm components, construction related consents have
been [sought/granted] for a period of 20 years.
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4. Genesis Energy’s Approach to Environmental Management
Genesis Energy’s approach to environmental management is expressed in a suite of
Environmental Values. Genesis Energy’s intention and principles in relation to its overall
environmental performance are:
We are committed to achieving excellence in all our environmental practices and to ensuring
that environmental and social awareness are the cornerstones of our business. Achieving full
regulatory compliance is considered to be the minimum standard that Genesis Energy must
strive to achieve in the operation of its business3.
At Genesis Energy we:
• Act with integrity at all times
• Foster close relationships with the community and stakeholders, so that their views
can be incorporated into the environmental decision-making processes.
• Acknowledge that our activities affect both the environment and the communities
within which we operate.
• Respect the role of tangata whenua as kaitiaki of the natural resources and taonga
within their rohe.
• Investigate to better understand the nature of the environmental effects – and share
this information with the community and stakeholders.• Seek environmental improvements in all aspects of our business.
Genesis Energy understands that all aspects of its business can impact on the environment and
that in order to reduce that impact it must:
• Identify those who have responsibility for environmental management.
• Identify and document all environmental effects associated with its activities.
• Identify environmental objectives and develop associated work programmes to
address the environmental effects of the activities undertaken.
• Regularly review how well the company environmental values are being
implemented, whether objectives are being met and which areas require corrective
action.
• Report publicly on environmental performance.
3Genesis Energy, Environmental Management Manual, Genesis Energy Environmental Values (GEN-ENV-POL-0006)
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To achieve these objectives, Genesis Energy operates an Environmental Management System
(EMS) which utilises a number of different business systems to manage the company’s effects
and requirements for environmental management across all Genesis Energy projects and
operational sites. The EMS provides the necessary controls and instructions to achieve the
company’s commitment to environmental excellence and requirement to comply with all
environmental legislation. The EMS applies to all activities involving the use of natural and
physical resources and the environment, from the conceptual stage of any project through to
normal operational activities of Genesis Energy.
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5. Environmental Management Framework
The environmental management framework for the CHWF uses the EMP and associated
Supplementary Management Plans (SEMPs) as the primary mechanisms to implement the
measures to manage potential environmental effects. Through the consenting process the EMP,
(in draft form) was prepared and made available to stakeholders and decision makers so that
they could view the objectives of and the proposed approach to environmental management at
the CHWF by Genesis Energy. Specifically the EMP establishes the environmental management
procedures associated with the construction and operation of the CHWF. It sets out Genesis
Energy’s environmental management activities which shall, as a minimum, meet and comply with
consent requirements.
The EMP will be updated to reflect the requirements and conditions imposed by all resource
consents issued for the CHWF project, and updated in response to any future amendments tosuch consents.
5.1 Environmental Management Plan
This EMP has the following objectives:
• To provide for the effective management of the environmental effects and
environmental concerns arising from the CHWF project.
• To ensure the construction of CHWF is compliant with the relevant statutory
requirements (such as conditions of consent).
• To assign management responsibilities and to define reporting requirements.
• To implement the mitigation measures.
• To identify management strategies for implementation.
• To establish a system to assess the effectiveness of environmental management
actions implemented, by way of audits, inspections and monitoring programme set
against acceptable environmental performance criteria.
• To ensure the project contractors, construction and operational staff are aware of
the environmental controls of the project, with the expectation that their activities
will be conducted and managed in accordance with the EMP.
• To regularly review how well the management objectives are being met and that
they remain appropriate.
• To monitor activities and report internally and externally on environmental
performance.
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The EMP sets out the following matters:
Table 1: EMP Content
Content Topic Section
The Castle Hill Wind Farm Project 1
Purpose and Scope 2
Statutory Requirements 3
Genesis Energy’s Approach to Environmental Management 4
Environmental Management Framework 5
Revisions and EMP Evolution – including adaptive management improvementapproach responding to monitoring and protocols for managing designfinalisation.
6
EMP Roles and Responsibilities. 7
Construction Environmental Management measures to be adopted 8
Erosion and Sediment Control Measures 9
Water Management 10
Site Rehabilitation and Reinstatement 11
Air Quality 12
Construction Noise Management 13
Traffic and Transport Management 14
Concrete Batching Plant Management 15
Management of Quarries and Crushing Facilities 16
Archaeology and Heritage Management 17
Biodiversity Management 18
Visual Mitigation 19
Hazardous Material Management 20
Operations and Maintenance Environmental Management – including measuresto be adopted
21
Incidents (including Incident Response Plan) 22Inspection, Monitoring and Auditing 23
Complaints and Enquires 24
EMP Documentation for recording and reporting. 25
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5.2 Supplementary Environmental Management Plans
In addition to the EMP, SEMPs [will be/have been] prepared to ensure a suitable level of
management is implemented for specific locations or activities at the CHWF Site. The processof preparing the SEMPs is outlined below. Contractors involved with the CHWF project will be
contractually obligated to contribute to, and to implement the EMP and the SEMPs. [A
contractor’s ability to comply with the EMP/SEMPs will form part of the construction tender
process].
SEMPs [will be/have been] prepared after the resource consent conditions have been finalised
and [will be/have been] developed in conjunction with the draft EMP with input from the
appointed contractor, relevant specialists, Genesis Energy staff and Council representatives.
Final SEMPs [will/have been] submitted to Council for approval prior to construction
commencing.
The following SEMPs [will be/have been] prepared4:
Table 2: SEMP Topics and Location
SEMP Location
Erosion and Sediment Control Plan (ESCP) Appendix F
Drainage Management Plan (DMP) Appendix G
Quarry Management Plan (QMP) Appendix H
Concrete Batching Plant Management Plan (CBPMP) Appendix I
Baseline Aquatic Monitoring Plan (BAMP) Appendix J
Construction Aquatic Monitoring Plan (CAMP) Appendix K
Biodiversity Management – Revegetation Plan Appendix L
Biodiversity Management – Weed Hygiene and Surveillance Plan Appendix M
Construction Noise Management Plan (CNMP) Appendix N
Construction Traffic Management Framework (CTMF) Appendix O
Draft Archaeological Accidental Discovery Protocol Appendix P
Biodiversity Management – Habitat Management Plan(s) Appendix Q
Biodiversity Management – Riparian Protection Plan Appendix R
Biodiversity Management – Goat Control Plan Appendix S
Biodiversity Management – Avifauna Monitoring Plan Appendix T
Biodiversity Management – Bat Monitoring Plan Appendix U
4 List to be updated and completed prior to construction and in response to conditions of consents
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SEMP Location
Biodiversity Management – Lizard Monitoring Plan Appendix V
Biodiversity Management – Predator Control Plan Appendix W
Biodiversity Management – Vegetation Management Plan Appendix X
Operational Noise Management Plan (ONMP) Appendix Y
Spill Response Plan (SRP) Appendix Z
5.3 SEMP Preparation and Requirements
Detailed requirements for each of the SEMPs will be determined and agreed with the
contractor, relevant Genesis Energy staff (e.g. environmental manager, project manager),
technical specialists and the relevant Regional or District Council representatives. This will
involve a review of detailed designs and conditions of consent, Site visits and review of other
information required to determine the extent of effects management required.
Preparation of SEMPs follows the general process described below.
• A preliminary design or methodology is completed.
• A draft SEMP is prepared.
• Councils review the SEMP and provide feedback.
• SEMP finalised and issued to the Councils and contractors.
SEMPs typically include the following. Outline approaches to SEMPs are set out in Appendix F
– Z.
• Objectives and purpose.
• Roles and responsibilities.
• Detailed plans showing location and details of the required management measures.
• Construction or implementation methodology if not provided in the EMP.
• Design criteria.
• Design calculations.
• Any details relating to the operation and maintenance of the proposed management
measures.
• Construction method statements – i.e. method statements for the construction
activities associated with the SEMP.
• Any specific requirements for hazardous substances (such as fuels).
• Actions and measures implemented to minimise environmental effects.
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• Key contact details.
• Key environmental considerations.
• Construction or implementation programme.
• Monitoring and inspection schedule requirements, frequency and reporting.
• Health and safety requirements and measures.
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6. Revisions and EMP Evolution
This section of the EMP establishes the process and approach for documenting changes madeunder the adaptive management approach and also the protocol for managing design
finalisation. The adaptive management approach involves regular monitoring and reporting which
creates a continuous improvement feedback loop and ensures that actual On-site effects are
being addressed and managed appropriately.
Genesis Energy will operate a “plan-do-check-act” adaptive management approach. The
approach enables objectives to be set, actions to be monitored and performance to be
evaluated against those objectives and for this to be communicated to relevant stakeholders. It
will enable reviews of progress to check the effectiveness of actions and to ensure that
improvements are implemented accordingly.
6.1 EMP Evolution and Control
The EMP is subject to revision based on review, experience and changes in technology, thereby
taking an adaptive approach to improve future management. The key mechanisms for this
include the following:
• Review of measures utilised to manage effects.
• Improvements identified from any incident response.
• Consultation with relevant stakeholders.
• Undertaking an annual review.
To maintain control over any changes in approach made through the evolution of the EMP, this
EMP has been issued as a controlled document. Any other copies issued in part or full are
deemed not to be controlled copies and will not be updated nor may they be considered a
current document. All copies shall be distributed in accordance to the document register. On
receipt of a revision the copyholder shall discard the superseded copy and adopt the new copy.
6.2 Component Location Consenting Approach
Overall, the environmental effects assessment for the CHWF Project has been undertaken on a
comprehensive, conservative and robust basis.
The AEE, and the supporting technical information, [is/was] provided in such detail as
corresponds with the scale and significance of the effects that the CHWF activities may have on
the environment. As noted, the CHWF Site encompasses some 30,000 ha, with a construction
footprint of 861 ha and an operational footprint of some 226 ha. In order to provide an
assessment of all potential environmental effects (positive and negative), independent experts
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[have undertaken/undertook] both specific and representative effects assessments. Thus, while
not every spatial area of the 30,000 ha Site [has been/was] specifically assessed, the worst
case position for all potential effects [has been/was] assessed regardless of the final location of
all the activities for which resource consent has been [sought/granted].
Optimisation of the CHWF design [is/was] proposed to make the best use of the wind resource
while responding to technological advances, opportunities to minimise environmental effects
and in order to take account of Site conditions following grant of resource consent. When
implementing the CHWF project, Genesis Energy will ensure that final designs fit within the
overall location and extent of effects described in the AEE and authorised by the resource
consents [sought/granted] . It will ensure that the nature and scale of the effects associated with
the final design are no greater than the authorised adverse effects.
In that regard, it is anticipated that the following protocol will form part of the conditions of
consent.
6.2.1 Protocol for Managing Design Finalisation
During the development of the final design, the following protocol will apply:
1. Confirm the final location of the CHWF components.
2. Document the reasons why the final location has been selected.
3. Prepare detailed design drawings.
4. Ensure that exclusion areas where infrastructure shall not be located contain noinfrastructure elements apart from those specific locations sought in the AEE.
5. Undertake a confirmatory process to ensure environmental effects are no greater thanthat contained in the AEE.
6. Report the findings of the confirmatory process, to confirm that for the project as awhole:
a. Areas of legally protected habitats (DOC, QEII) and, ‘rare’, ‘threatened’ or‘at risk’ habitats identified under statutory plans will not be disturbed.
b. Areas of ‘high ecological value’ as defined in the Ecological Effects Assessment in support of the AEE will be avoided, except to the extentalready outlined in the CHWF Project Figures shown in the AEE. Clearanceof a limited amount of ‘high ecological value’ vegetation is described andthis quantity will not be exceeded in construction of the CHWF.
c. Clearance of indigenous vegetation will be minimised and will not cause themaximum quantity of indigenous vegetation clearance of 66 ha described inthe AEE to be exceeded.
d. Watercourse crossings will not vary in location by more than 100m each
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side of locations identified in the AEE.
e. Gullies with watercourses will be avoided unless it can be demonstratedthat downstream water quality effects are no more than minor.
f. Seepage areas dominated by indigenous species with an area greater than0.05ha will be avoided.
g. Total CHWF earthworks volumes described in the AEE are not exceeded.
h. Noise standards will be complied with or effects will be appropriatelymitigated.
Overall, the design of the CHWF has been undertaken to a level sufficient to enable the
environmental effects to be assessed robustly and conservatively. During detailed design and
optimisation, the protocol set out above will ensure that effects are well managed and will not
exceed the nature and scale of effects as described in the AEE.
Table 3, below, summarises the parameters within which Genesis Energy will refine and finalise
the location of the CHWF infrastructure.
Table 3: Castle Hill Wind Farm – Component Location Consenting Approach
Component Rationale Location Description
Turbines
(including
TurbineFoundationsand TurbinePlatforms)
Siting refinement is important to allow for variation in spacing between Turbines to
maximise energy output. Spacing variesdepending on the size of the Turbine rotor andtherefore, optimal spacing can only bedetermined once the final turbine model(s) areselected after resource consent acquisition.Four Indicative Turbine Layouts have beenestablished to provide a basis for representativeengineering and environmental assessments andto illustrate how different Turbine sizes may beplaced within the Turbine Corridor.
Turbines may not be sited anywhereother than in the Turbine Corridor.
TurbineCorridor
The Turbine Corridor incorporates all areaswithin the CHWF Site identified for turbine
placement. The development and refinement ofthe Turbine Corridor has incorporatedrepresentative environmental and engineeringassessments to avoid, remedy or mitigateadverse environmental effects.
The area and location of the TurbineCorridor is located where indicated
in the CHWF Project Maps.
InternalRoads
(includingLay-bys)
Internal Roads have been designed andassociated earthworks volumes calculated andwill generally be located where indicated.However the scope sought within the resourceconsent will enable the final location of theInternal Roads to be confirmed during thedetailed design phase. Further refinement may
be required due to the following:
Technological advances in transporters or
Internal Roads are likely to belocated where indicated in theCHWF Project Maps but may belocated anywhere within the Site,subject to the limits presentedbelow:
(1) Areas of legally protectedhabitats (DOC, QEII) and, ‘rare’,‘threatened’ or ‘at risk’ habitats
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Component Rationale Location Description
components, or construction techniques. Thismay enable a more efficient route to be takenwhich may reduce earthworks and/or ecologicaleffects.
Unforeseen ground conditions or environmentalconstraints.
Unidentified archaeological sites or features.
The Internal Road design approach is consideredappropriate at this Site because of the largeproportion of the Site consisting of low ornegligible ecological value. The location of theInternal Roads will be influenced by the fixedlocations of key CHWF infrastructure (Turbines
within the Turbine Corridor and Substations) towhich they will provide access.
identified under statutory plans willnot be disturbed.
(2) Areas of ‘high ecological value’as defined in the Ecological Effects Assessment in support of the AEEwill be avoided, except to the extentalready outlined in the CHWFProject Figures and shown in the AEE. Clearance of a limited amountof ‘high ecological value’ vegetationis described and this quantity willnot be exceeded in construction ofthe CHWF.
(3) Clearance of indigenous
vegetation will be minimised and willnot cause the maximum quantity ofindigenous vegetation clearance of66 ha described in the AEE to beexceeded.
(4) Watercourse crossings will not vary in location by more than 100meach side of locations identified inthe CHWF Project Figures.
(5) Gullies with watercourses will beavoided unless it can be
demonstrated that downstreamwater quality effects are no morethan minor.
(6) Seepage areas dominated byindigenous species with an areagreater than 0.05ha will be avoided.
(7) Total CHWF earthworks volumesdescribed in the AEE are notexceeded.
MainSubstation
Two locations have been identified for the MainSubstation. The key factors that will determine
which location will be most appropriate will bethe final size, location and order of stages ofconstruction, and the final location of theExternal Transmission Line.
Two alternative locations also provideredundancy in the unlikely event that onelocation is found to be unsuitable during detaileddesign.
The Main Substation will be locatedat one of the two locations shown in
the CHWF Project Maps.
SatelliteSubstation
The location of the Satellite Substation wasidentified after a thorough assessment of theoverall Site against a range of suitability criteria,
such as area, topography, visibility, distancefrom occupied dwellings, and potential for flood
The location of the SatelliteSubstation is shown in the CHWFProject Maps.
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Component Rationale Location Description
risk, accessibility and ecology.
Switching
Station
The Switching Station location was identified
after a thorough assessment of the overall Siteagainst a range of suitability criteria, such asarea, topography, visibility, proximity todwellings, potential for flood risk, accessibility,expected proximity to the External TransmissionLine connection point and ecology.
The location of the Switching
Station is shown in the CHWFProject Maps.
InternalTransmission Line
The Internal Transmission Line has beendesigned to a reasonably high level of certaintyand apart from micro-siting of towers is notexpected to change.
The location indicated in the AEE shows some
alternative arrangements depending on thelocation of the Main Substation and whether theSwitching Station is utilised.
The location of the InternalTransmission Line will be within 50mof the location indicated in theCHWF Project Maps.
The location of the Internal
Transmission towers will be within50m of the locations indicated in theCHWF Project Maps and will bepositioned to avoid clearance ortrimming of indigenous vegetation tothe extent practicable.
33kVoverheadlines andundergroundcables
Wherever practical, the 33kV reticulationsystem will follow Internal Roads so therequirement for variation from the routesindicated will match that of the Internal Roads.
The opportunity arising from refinement, and thedegree of constraint applied is as for the InternalRoads.
Other EBoP Other EBoP components such as switchgearhuts will generally be located near previouslylisted EBoP components (substations, overheadlines and underground cables) and will vary intheir location as these other components do.
Excess Fill Areas
On-site Excess Fill Areas have been identified assuitable from both an engineering andenvironmental perspective. They are locatednear or adjacent to Internal Roads to minimisetransport of Excess Fill and so may vary in
location if Internal Roads relocations arerequired. Other variations may be required toachieve engineering or environmentalimprovements and additional Excess Fill Areasmay also be identified by the contractor.
CentralLaydown Areas
Indicative Central Laydown Area locations havebeen identified to indicate suitable sites anddemonstrate that the requirement to provideCentral Laydown Areas can be achieved.
ContractorCompounds
The contractor will identify a suitable location forthe Contractor Compound prior to construction.
Operationsand
The location of O&M facilities will be determinedprior to construction depending on the final size,
These components are likely to belocated where indicated in theCHWF Project Maps but may belocated anywhere within the Site,subject to the following limitations:
(1) Areas of legally protectedhabitats (DOC, QEII) and, ‘rare’,‘threatened’ or ‘at risk’ habitatsidentified under statutory plans willnot be disturbed.
(2) Areas of ‘high ecological value’as defined in the Ecological Effects Assessment in support of the AEEwill be avoided, except to theextent already outlined in theCHWF Project Figures and shownin the AEE. Clearance of a limitedamount ‘high ecological value’ vegetation is described and thisquantity will not be exceeded inconstruction of the CHWF.
(3) Clearance of indigenous vegetation will be minimised and willnot cause the maximum quantity ofindigenous vegetation clearance of66 ha described in the AEE to beexceeded.
(4) Gullies with watercourses willbe avoided unless it can be
demonstrated that downstreamwater quality effects are no more
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Component Rationale Location Description
maintenancefacilities
location and order of stages of construction.
Quarries Quarries will be established at the locationsindicated or additional sites if identified duringconstruction.
CrushingPlant
Crushing plant is likely to be located at or nearthe quarry sites.
ConcreteBatchingPlants
Concrete Batching Plants will be located eithernear current construction sites, or near materialsources such as quarries or water abstractionsites. Indicative locations have been identifiedwith specific locations to be determined prior toconstruction. The plants will be re-locatable, with
only one or two locations operating concurrentlyat any one time and sites being rehabilitated assoon as the Concrete Batching Plant isrelocated.
than minor.
(4) Seepage areas dominated by
indigenous species with an areagreater than 0.05ha will be avoided.
(5) Total CHWF earthworks volumes described in the AEE arenot exceeded.
(6) Noise standards will becomplied with or effects will beappropriately mitigated.
Waterabstractionand storageareas
Water abstraction and storage locations havebeen identified.
The location of water abstractionand storage facilities is shown in theCHWF Project Maps.
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7. EMP Roles and Responsibilities
7.1 General Responsibilities
Whilst Genesis Energy has the ultimate responsibility for the implementation of the EMP, the
Contractor has a responsibility to ensure that the environmental measures provided in the EMP
and SEMP’s are implemented. In addition to Council inspections, the EMP implementation is
subject to internal Genesis Energy inspections, auditing and reporting.
Responsibilities for the environmental performance of the CHWF project are outlined in Table 4
below.
Table 4: EMP Roles and ResponsibilitiesOrganisation Primary Responsibilities
Genesis Energy • Overall responsibility for the project, contractors and environmentalperformance of the CHWF
• Ultimate responsibility for the implementation of the EMP and SEMPs
• Undertakes internal Genesis Energy inspections, auditing and reporting todetermine if works are being undertaken in accordance with the EMP andSEMPs
• Authorises all changes to design and contracts
• Assists in providing training and inductions• Complaint handling
• Incident management and emergency response
• Document control
• Genesis Energy will assume the ongoing environmental management roleat the CHWF following construction
Contractor • Contribute to and implement the EMP and SEMPs
• Undertake all aspects of environmental management as set out in its
Agreement with Genesis Energy
• Have in place appropriate systems and procedures to comply with theenvironmental management requirements for the Site
• Ensure all reasonable steps have been taken to protect the environment
• Comply with all legal and statutory requirements
• Operate in accordance with the requirements of resource consentsauthorising the proposed activities and in accordance with the EMP andSEMPs
• Contribute to the ongoing improvement and implementation of the EMPand SEMPs
• Adhere to the requirements of any other relevant plans for the CHWF Site
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Organisation Primary Responsibilities
• Providing training and inductions
• Assist in responding to complaints or issues
• Support incident management and emergency response procedures
Council • Audit and monitor the Site construction activities to identify that these arebeing undertaken in compliance with the conditions of resource consentand the EMP and SEMPs
• Review reports prepared by Genesis Energy in respect of reporting onimplementation mechanisms and monitoring outcomes
• Act on advice and information provided by Genesis Energy andstakeholders
7.2 Site Responsibilities
The Site Project Environmental Manager will be responsible for the implementation and
maintenance of the EMP and acts as an interface between the contractor’s project manager,
Genesis Energy and other stakeholders. Table 5 identifies the Site environmental
responsibilities of project stakeholders.
Table 5: Site Responsibilities
Name Company Position Responsibilities
Genesis Energy Project Principal Overall responsibility for the project
Authorises all changes to design andcontracts
Genesis Energy Project Manager Overall responsibility for the environmentalperformance of the project
Genesis Energy ProjectEnvironmental
Manager
Audit and inspection to determine if works arebeing undertaken with EMP and SEMP
Training and inductions
Complaint handling
Incident management and emergencyresponse
Prepare, review, revise, distribute and controlthe EMP and SEMP documents
Document control
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Name Company Position Responsibilities
Main contractor Project Manager Management of all contractors andsubcontractors
Implement mitigation measures andobligations outlined in the EMP and SEMPdocuments
Ensure compliance with EMP, SEMP andresource consent conditions
Inspections and reporting
Incident management and emergencyresponse
Training and inductions
Various Staff and Sub-
contractors
Adhere to EMP and SEMP
Incident reporting
Councils Consentsmanagement
Approval of EMP and SEMPs
Auditing to ensure consent conditions arebeing met
Councils Compliance andmonitoring officer(or equivalent)
Approval of EMP and SEMPs
Auditing to ensure consent conditions arebeing met
Various TechnicalSpecialists
Specialist environmental support
The project organisational structure [is/will be] outlined in Figure 8 below. The contact details
for key personnel are provided in Appendix B.
Figure 8: Project Organisational Chart
[The Project Organisation Chart will be prepared once roles and responsibilities have been
assigned]
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8. Construction Environmental Management
This section of the EMP outlines the proposed general environmental management measures to
be implemented to address environmental effects. Detailed methods for specific sites and
issues will be identified within the SEMPs, provided in appendix to the EMP.
8.1 General Operations
Works will not commence On-site until the following actions have been undertaken:
• Pre construction conditions of resource consent have been met and authorised by
Council.
• All other approvals required from Council have been received for a given project
area.
• Relevant EMPs and SEMPs are have been approved by the relevant authority.
8.2 Provision of Information, Training and Inductions
All organisations and individuals working on the CHWF project will be required to complete a
formal Site induction prior to commencing work On-site. The induction will include importantenvironmental issues pertaining to the Site including environmental management requirements,
accidental discovery of cultural or archaeological sites or material, emergency response
procedures and incident reporting, as well as Health and Safety information and requirements.
Attendees will be provided with a copy of the EMP and any appropriate SEMP to read prior to
commencing work On-site. A register will be maintained by the contractor’s Project Manager
which needs to be signed prior to an individual commencing work On-site confirming they have
understood the contents of the EMP and relevant SEMPs.
Should any specialised environmental training be identified as being necessary for personnel at
the Site, training will be provided by a suitably qualified person. A record of the training will bekept by the contractor’s Project Manager.
Environmental issues and management will be included as an item on the agenda of daily
toolbox meetings to assist in the continuing development and improved performance of
environmental management On-site.
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8.3 Construction Activities
The main construction activities have been identified and described in detail in the COMR.
These include:
• Wind Farm Access - Establishment of External Roads and Internal Roads providing
access to the Site.
• Establishment of temporary Site presence by contractors. Creation of temporary
Contractor Compounds On-site for the duration of the construction project.
• Internal Road establishment and construction.
• Formation of Turbine Platforms.
•
Construction of Central Laydown Areas.• Transport of components (turbines, EBoP) to Site.
• Establishment of water storage facilities and water abstraction systems.
• Establishment and operation of quarries and crushing facilities.
• Establishment and operation of Concrete Batching Plants.
• Construction of Operation and Maintenance building(s).
• Establishment and construction of Internal Transmission Line access and Internal
Transmission Line structures and conductors.
• Establishment of Excess Fill Areas.
• Excavation works and formation of Turbine Foundations.
• Formation of Substation and optional Switching Station pads and construction of
Substations and optional Switching Station.
• Excavation works and laying of underground cabling, earthing and communications
between Turbines and the Substation sites.
• Overhead electrical reticulation line works between clusters and the substations.
• Formation of wind monitoring mast foundations, construction of monitoring masts.
• Turbine tower erection.
• Turbine nacelle installation.
• Turbine rotor assembly and installation.
• Commission Electrical Balance of Plant (connect to external 220kV grid).
• Install and commission wind farm communications system (SCADA and external).
• Turbine electrical commissioning and reliability runs.
• Disestablishment of temporary works.
• Revegetation and restoration.
• Power performance testing.
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• Normal operations and maintenance.
Environmental effects and the identified management measures are summarised in Table 6
below and set out in detail further on.
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
C a s t l e
H i l l W
i n d F a r m
2 4
T a
b l e 6 : P o t e n t i a l E n v i r o n m e n t a l E
f f e c t s a n d E n v i r o n m e n t M a n a g e m e n t M e a s u r e s
P
e
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A
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A c c e l e r a t e d e r o s i o n
C r e a t i o n o f
u n s t a b l e o r
d i s t u r b e d s u r f a c e s
M i n i m i s e t h e a r e a o f e r o d i b l e s u r f a c e s .
L i m i t t h e p e r i o d o f t i m e t h a t s u r f a c e s a r e l e f t i n a n u n s t a b l e
s t a t e .
S t a g i n g o f e a r t h w o r k s
U s e c o m p a c t i o n t o s t a b i l i s e u n s t a b l e s u r f a c e s
R e v e g e t a t e s u r f a c e s a s s o o n a s p o s s i b l e .
M u l c h s l o p e s
I n s p e c t p e r i o d i c a l l y
R e p o r t w e e k l y
R e p o r t m o n t h l y
R e - e s t a b l i s h m e n t o f
e r o
d i b l e s u r f a c e s
A c c e l e r a t e d e r o s i o n
S t o r m w a t e r r u n o f f
o v e r d i s t u r b e
d
s u r f a c e s
I n s t a l l d r a i n a g e t o d i v e r t w a t e r a w a y f r o m d i s t u r b e d a r e a s
C r e a t e p o n d i n g a r e a s t o r e d u c e w a t e r v e l o c i t y a n d s e t t l i n g o f
s e d i m e n t s
A v o i d c o n c e n t r a t i o n o f w
a t e r v o l u m e s
U s e a p p r o p r i a t e e r o s i o n a n d s e d i m e n t c o n t r o l m e t h o d s
E n s u r e s e d i m e n t c o n t r o l s
a r e m a i n t a i n e d a n d f i t f o r p u r p o s e
C o l l e c t s t o r m w a t e r i n a p p r o p r i a t e d e t e n t i o n s t r u c t u r e
U s e s t r u c t u r e s t o d i s s i p a
t e e n e r g y a n d a l l o w f o r s e t t l e m e n t
o f
s e d i m e n t s .
I n s p e c t p e r i o d i c a l l y ,
p a r t i c u l a r l y d u r i n g
i n c l e m e n t w e a t h e r
R e p o r t w e e k l y
R e p o r t m o n t h l y
M o n i t o r w e a t h e r
P o t e n t i a l f o r t h e
i n s t a l l a t i o n o f
a d d
i t i o n a l s e d i m e n t
c o n
t r o l m e a s u r e s
P r o
v i d e m a x i m u m
s t o
r a g e c a p a c i t y i n
a d v
a n c e o f f o r e c a s t e d
r a i n
f a l l
U s e o f f l o c c u l a n t s
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
C a s t l e
H i l l W
i n d F a r m
2 5
P
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A c c e l e r a t e d e r o s i o n –
T o p s o i l l o s s
T o p s o i l s n o t
r e c o v e r e d o r l o s t
f r o m s t o c k p
i l e s
C a r e f u l r e m o v a l a n d s t o r a g e o f t o p s o i l a t o u t s e t o f e a r t h w o r k s
L o c a t e s t o r a g e s i t e s a w a
y f r o m a r e a s o f s u r f a c e w a t e r /
o v e r l a n d f l o w s .
L o c a t e s t o r a g e s i t e s a w a
y f r o m p r e v a i l i n g w i n d s
C o m p a c t s o i l t o r e d u c e l o s s e s
R e s p r e a d a n d c o m p a c t a
s s o o n a s p o s s i b l e .
C o v e r l o a d s
A d e q u a t e s u p e r v i s i o n
U s e o f a p p r o p r i a t e m a c h i n e r y a n d t e c h n i q u e s
I n s p e c t p e r i o d i c a l l y
R e p o r t m o n t h l y
E s t
a b l i s h c o v e r o n
t o p
s o i l s t o c k p i l e s s u c h
a s g r a s s i n g , m u l c h o r
g e o
t e x t i l e s .
S e d i m e
n t l o a d i n g o f l o c a l
w a t e r w
a y s a s a r e s u l t o f
s t o r m w
a t e r r u n o f f f r o m
d i s t u r b e d a r e a s
S t o r m w a t e r r u n o f f
f r o m d i s t u r b e d
s u r f a c e s
I n s t a l l d r a i n a g e t o p r e v e n
t w a t e r r u n n i n g o v e r d i s t u r b e d
s u r f a c e s ( d i v e r t c l e a n w a
t e r )
I n s t a l l e r o s i o n a n d s e d i m e n t c o n t r o l s t r u c t u r e s .
S i l t f e n c e s a n d i m p r o v e d
s i l t f e n c e s
S e d i m e n t p o n d s
O t h e r s t r u c t u r e s a s n e c e
s s a r y
I n s p e c t p e r i o d i c a l l y ,
p a r t i c u l a r l y p r i o r t o a n d
d u r i n g i n c l e m e n t
w e a t h e r
R e p o r t w e e k l y
R e p o r t m o n t h l y
M o n i t o r w e a t h e r
M o n i t o r e r o s i o n a n d
s e d i m e n t c o n t r o l
s t r u c t u r e s
P r o
v i d e m o r e e r o s i o n
a n d
s e d i m e n t c o n t r o l s
U s e o f f l o c c u l a n t s
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
C a s t l e
H i l l W
i n d F a r m
2 6
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S p i l l s a
n d l e a k s o f
h a z a r d o u s s u b s t a n c e s ,
o i l , f u e l o r a n y o t h e r
s u b s t a n c e h a r m f u l t o t h e
s u r r o u n
d i n g e n v i r o n m e n t
F u e l s p i l l s , o i l s ,
c o n c r e t e w a s h ,
h a z a r d o u s
s u b s t a n c e s
E n s u r e s e c u r e a n d b u n d e
d s t o r a g e c o m p o u n d s p r o v i d e d
E n s u r e c o n t a m i n a n t s a r e
h a n d l e d a p p r o p r i a t e l y
P r o h i b i t f u e l l i n g a n d h a z a r d o u s m a t e r i a l s t o r a g e w i t h i n 5 0 m
o f
a w a t e r w a y .
R e m o v e c o n t a m i n a t e d s l u d g e t o r e g i s t e r e d l a n d f i l l
T r e a t c o n t a m i n a t e d w a t e r a p p r o p r i a t e l y
C o n t r a c t o r / S u p p l i e r r e q
u i r e d t o c l e a n u p a n y s p i l l s
i m m e d i a t e l y
B u n d e d s t o r a g e o f h a z a r d o u s m a t e r i a l s
S e c u r e s t o r a g e o f f u e l s
I n s p e c t f a c i l i t i e s
w e e k l y
I n s p e c t r i s k a c t i v i t i e s
w e e k l y
R e p o r t M o n t h l y
U s e s p i l l k
i t s O n - s i t e
A l e
r t e m e r g e n c y
r e s
p o n s e f o r o i l s p i l l s /
p o l l u t i o n h o t l i n e
P r e
p a r e a n d f o l l o w a
S p i l l R e s p o n s e P l a n
D e t e r i o
r a t i o n o f a i r q u a l i t y
D u s t d i s c h a r
g e s
f r o m s t o c k p i l e s ,
r o a d s o r
t r a n s p o r t e d
m a t e r i a l s
M i n i m i s e t h e a r e a o f e r o d i b l e s u r f a c e s .
E n f o r c e a p p r o p r i a t e v e h i c l e s p e e d s
U s e c o v e r s t o s e c u r e l o a
d s
T r a i n i n g o f o p e r a t o r s
U s e o f s p r i n k l e r s a n d w a t e r t r u c k s t o d a m p e n s o u r c e s o f d u s t
I n s p e c t d a i l y
R e p o r t m o n t h l y
M o n i t o r w e a t h e r
A d d i t i o n a l u s e o f
w a t e r t o d a m p e n
s o u
r c e s .
R e v e g e t a t e s t o c k p i l e s
t e m
p o r a r i l y b e t w e e n
u s e
.
M i n
i m i s e e x t e n t o f
s t o
c k p i l e a r e a s .
D e t e r i o
r a t i o n o f a i r q u a l i t y
C o n t a m i n a n t s f r o m
c o n s t r u c t i o n
p l a n t
U t i l i s e m o d e r n c o n s t r u c t i o n p l a n t i n a g o o d o p e r a t i n g
c o n d i t i o n
R e s t r i c t S i t e a c c e s s t o a u t h o r i s e d v e h i c l e s
L i m i t o p e r a t i o n s t o c e r t a i n a r e a s w i t h i n t h e S i t e .
I n s p e c t p e r i o d i c a l l y
R e p o r t m o n t h l y
R e p l a c e o r r e p a i r
a g i n g p l a n t .
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
C a s t l e
H i l l W
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D e t e r i o
r a t i o n o f a i r q u a l i t y
M a t e r i a l f r o m
b l a s t i n g ( f l y )
U n d e r t a k e b l a s t i n g o n l y i n a c c o r d a n c e w i t h a n a p p r o v e d
b l a s t i n g p l a n p r e p a r e d b y
a s u i t a b l y q u a l i f i e d e x p e r t
I n s p e c t f o l l o w i n g b l a s t
R e p o r t m o n t h l y
S t o
p w o r k u n t i l
a p p
r o p r i a t e b l a s t i n g
p l a n p r e p a r e d .
R e m o v e a n y f l y
m a t e r i a l w h e r e
a p p
r o p r i a t e .
N o i s e p
o l l u t i o n
E q u i p m e n t i n
p o o r
c o n d i t i o n .
U n u s u a l c l i m
a t i c
c o n d i t i o n s
M a i n t a i n a l l e q u i p m e n t i n
a g o o d c o n d i t i o n
U n d e r t a k e n u i s a n c e n o i s e o p e r a t i o n s d u r i n g n o r m a l w o r k i n g
h o u r s .
E n s u r e o p e r a t o r s a r e a d e
q u a t e l y t r a i n e d .
I n s t a l l n o i s e s u p p r e s s i o n
e q u i p m e n t w h e r e p o s s i b l e .
I n s p e c t p e r i o d i c a l l y
R e p o r t m o n t h l y
C e a s e w o r k s u n t i l
e q u
i p m e n t r e p a i r e d o r
s u p
p r e s s e d .
A l l o
w f o r c l i m a t i c
c o n
d i t i o n s t o i m p r o v e
b e f
o r e w o r k s r e s u m e .
L o s s o r d a m a g e t o
e c o l o g i c a l l y s e n s i t i v e o r
s i g n i f i c a n t v e g e t a t i o n
E x c e s s i v e
e a r t h w o r k i n g
D e l i n e a t e m a x i m u m a r e a s o f c l e a r a n c e b y p e g g i n g .
S e e k a p p r o v a l f r o m a p p r o p r i a t e m a n a g e r a n d w h e r e
n e c e s s a r y t e c h n i c a l e x p e
r t e c o l o g i s t p r i o r t o c o m m e n c i n g
c l e a r a n c e
M a i n t a i n a w a r e n e s s o f s i g n i f i c a n t v e g e t a t i o n a r e a s
E n s u r e o p e r a t o r s a r e a d e
q u a t e l y t r a i n e d .
R e v e g e t a t i o n o r e n h a n c e
m e n t o f o t h e r h a b i t a t s t o m i t i g a t e
c l e a r a n c e
I n s p e c t a s n e c e s s a r y ,
p r i o r t o e a r t h w o r k s
R e p o r t m o n t h l y
R e v e g e t a t e c l e a r e d
a r e
a s
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
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W e e d i n f e s t a t i o n s
S e e d s a n d o
t h e r
m a t e r i a l c a p a b l e o f
g e r m i n a t i n g
b r o u g h t t o S
i t e
f r o m d i r t y
e q u i p m e n t
E n s u r e a l l m a c h i n e r y i s c l e a n b e f o r e c o m i n g o n t o S i t e .
V e h i c l e i n s p e c t i o n t o b e u n d e r t a k e n p r i o r t o e n t e r i n g S i t e .
A n y p l a n t b e i n g r e l o c a t e d
f r o m t h e S o u t h I s l a n d s h a l l b e
c h e c k e d a n d t r e a t e d f o r d i d y m o .
W e e d i n g / s p r a y i n g w h e r e a p p r o p r i a t e
P r e p a r e a n d f o l l o w a W e e d H y g i e n e a n d S u r v e i l l a n c e P l a n
I n s p e c t p e r i o d i c a l l y
R e p o r t m o n t h l y
M o n i t o r o n g o i n g
T r e
a t m e n t w i t h
a p p
r o p r i a t e w e e d k i l l e r
W e e d i n f e s t a t i o n s
S e e d s a n d o
t h e r
m a t e r i a l c a p a b l e o f
g e r m i n a t i n g
b r o u g h t t o S
i t e
w i t h i n r e v e g e t a t i o n
s e e d m i x e s
U s e s p e c i f i e d a n d c e r t i f i e
d s e e d m i x e s
W e e d i n g / s p r a y i n g w h e r e a p p r o p r i a t e
I n s p e c t p e r i o d i c a l l y
R e p o r t m o n t h l y
M o n i t o r o n g o i n g
T r e
a t m e n t w i t h
a p p
r o p r i a t e w e e d k i l l e r
L o s s o f f a u n a h a b i t a t
E x c e s s i v e
e a r t h w o r k i n g
D e l i n e a t e m a x i m u m a r e a s o f c l e a r a n c e b y p e g g i n g .
S e e k a p p r o v a l f r o m a p p r o p r i a t e m a n a g e r a n d w h e r e
n e c e s s a r y t e c h n i c a l e x p e
r t e c o l o g i s t p r i o r t o c o m m e n c i n g
c l e a r a n c e
M a i n t a i n a w a r e n e s s o f s i g n i f i c a n t f a u n a l h a b i t a t
E n s u r e o p e r a t o r s a r e a d e
q u a t e l y t r a i n e d .
R e l o c a t e s e n s i t i v e f a u n a
I n s p e c t a s n e c e s s a r y ,
p r i o r t o e a r t h w o r k s
R e p o r t m o n t h l y
R e v e g e t a t e c l e a r e d
a r e
a s
I m p a c t s o n f i s h m o v e m e n t
C u l v e r t s a n d
s t r e a m c r o s s i n g s
E n s u r e c u l v e r t s a n d s t r e a
m c r o s s i n g s a r e i n s t a l l e d t o m a i n t a i n
f i s h p a s s a g e
S u p e r v i s e i n s t a l l a t i o n s
R e l o c a t e t r a p p e d f i s h .
A q u a t i c m o n i t o r i n g
I n s p e c t p e r i o d i c a l l y
R e p o r t m o n t h l y
R e m o v e p e r c h e d
c u l v e r t s
I n s t a l l a t i o n o f f i s h
b a f f e l s
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
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V i s u a l i m p a c t s
E a r t h w o r k s n
o t
a p p r o p r i a t e f o r t h e
l a n d f o r m
M i n i m i s e a r e a s m o d i f i e d
L i m i t e x t e n t a n d h e i g h t o f c u t s
S h a p e e a r t h w o r k s t o r e l a
t e t o t h e l a n d f o r m
D e l i n e a t e m a x i m u m a r e a s o f c l e a r a n c e b y p e g g i n g .
S e e k a p p r o v a l f r o m a p p r o p r i a t e m a n a g e r a n d w h e r e
n e c e s s a r y t e c h n i c a l e x p e
r t l a n d s c a p e a r c h i t e c t p r i o r t o
c o m m e n c i n g e a r t h w o r k s
E n s u r e o p e r a t o r s a r e a d e
q u a t e l y t r a i n e d .
P r o m p t r e v e g e t a t i o n a n d
r e h a b i l i t a t i o n
M o d i f y c o n t o u r s t o r e l a t e
t o l a n d f o r m
U s e o f c o n s i s t e n t v e g e t a
t i o n p a t t e r n s
I n s p e c t p e r i o d i c a l l y
R e p o r t m o n t h l y
R e c o n t o u r i n g a n d
r e v e g e t a t i o n
I m p a c t s o n C u l t u r a l /
H i s t o r i c
a l f e a t u r e s
E a r t h w o r k s e
x p o s e
i t e m s o f
a r c h a e o l o g i c
a l
i n t e r e s t
A s s e s s m e n t o f t h e p o t e n
t i a l f o r i t e m s o f a r c h a e o l o g i c a l
i n t e r e s t t o b e d i s c o v e r e d
, a n d a v o i d a n c e o f l o c a t i o n s w i t h
a r c h a e o l o g i c a l i n t e r e s t .
S e e k a p p r o v a l f r o m a p p r o p r i a t e m a n a g e r a n d w h e r e
n e c e s s a r y t e c h n i c a l e x p e
r t a r c h a e o l o g i s t p r i o r t o c o m m e n c i n g
e a r t h w o r k s
M a i n t a i n a w a r e n e s s i t e m s o f a r c h a e o l o g i c a l i n t e r e s t
E n s u r e o p e r a t o r s a r e a d e
q u a t e l y t r a i n e d .
F o l l o w t h e A c c i d e n t a l D i s
c o v e r y P r o t o c o l f o r i t e m s o f
a r c h a e o l o g i c a l i n t e r e s t d i s c o v e r e d .
O n g o i n g s u r v e i l l a n c e .
R e p o r t o n d i s c o v e r y .
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n v i r o n m e n t a l M a n a g e m e n t P l a n
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I m p a c t s o n l o c a l t r a f f i c
I n c r e a s e s i n
v o l u m e o f v e
h i c l e s
a n d s i z e o f l o
a d s
C o n s t r u c t i o n T r a f f i c M a n a g e m e n t F r a m e w o r k
C o n s t r u c t i o n T r a f f i c M a n a g e m e n t P l a n
T r a v e l P l a n s
R o a d W i d e n i n g
B r i d g e R e p l a c e m e n t
T r a f f i c m a n a g e m e n t
C o m m u n i c a t i o n S y s t e m s
L i m i t i n g t r a f f i c d u r i n g p e a
k p e r i o d s
C o n s t r u c t i o n T r a f f i c
M a n a g e m e n t P l a n
C l o s e l i a i s o n w i t h l o c a l
a u t h o r i t i e s
C l o s e l i a i s o n w i t h
N Z T A
U n p l a n n e d d i s t r i b u t i o n o f
c o n s t r u
c t i o n w a s t e
C a r e l e s s l o s
s o r
d i s c a r d i n g o f w a s t e
m a t e r i a l s a n d l i t t e r
P r o v i d e a d e q u a t e s e c u r e
f a c i l i t i e s f o r v a r i o u s w a s t e m a t e r i a
l s .
C o n f i r m t h e S i t e a s ‘ l i t t e r f r e e ’
C o l l e c t l o s t w a s t e .
O n g o i n g s u r v e i l l a n c e ,
i n s p e c t p e r i o d i c a l l y
R e p o r t m o n t h l y
E n g
a g e p e r s o n n e l t o
m o n i t o r , m a n a g e a n d
c o l l e c t w a s t e .
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Draft Environmental Management PlanCastle Hill Wind Farm
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9. Erosion and Sediment Control Measures
Exposure of soil during the construction process and the formation of topsoil and weatheredrock stockpiles, means that there is potential for an increase in erosion and sediment
discharges, including airborne dust. Accordingly, erosion and sediment control measures
will form integral components of the construction process for the CHWF, with appropriate
planning and adoption of control measures for all earthworks to minimise the effect on the
receiving environment.
The minimisation of erosion is the most effective way of reducing sediment discharges.
Earthworks activities associated with the construction process will be kept to the minimum
area necessary, and exposed surfaces will be stabilised until the Site is appropriately
revegetated.
The following general objectives underpin erosion control at the CHWF:
• Minimising the area disturbed by construction activities.
• Progressively completing construction activities on a stage-by-stage basis.
• Revegetating and rehabilitating areas disturbed as soon as possible after
earthworks have been completed.
• Stabilising material storage areas for future use.
In addition, the potential effects associated with earthworks activities can be prevented and
minimised with the following guiding principles:
• Maintain separation of earthworks from watercourses.
• Divert clean surface runoff away from areas of earthworks or soil stockpiles.
• Reduce the energy of surface flows in areas of potential erosion.
• Allow for the passage of extreme flows and protect against blockage of
infrastructure.
• Provide containment for sediment entrained in surface flows.
• Treat sediment laden water leaving the construction site.
• Promptly stabilise or revegetate disturbed areas.
• Monitoring to ensure erosion and sediment controls are operating effectively.
A range of erosion and sediment control measures will be implemented as part of the
construction process associated with CHWF. These measures will be contained within
relevant ESCPs and are summarised below. The ESCPs will set out measures to avoid and
minimise potential impacts of construction works on soils and waterways at the Site, and
will be prepared for each phase of development and submitted to Council prior to
construction.
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Draft Environmental Management PlanCastle Hill Wind Farm
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A draft example of an ESCP identifying the purpose, objectives and content of the ESCP(s)
is provided in Appendix F.
9.1 Erosion Control Measures
A summary of erosion control measures are set out below. These will be implemented in
combination with sediment control measures set out in section 9.2.
9.1.1 Clean Water Diversion Bund
A clean water diversion bund is used to divert clean surface flows away from unstabilised
soils. Bunds are set up around the uphill perimeter of the active works area, constructed of
compacted earth and then stabilised. Existing turf from the active works area should beused to line the constructed bund where appropriate.
9.1.2 Contour Drains
Contour drains consist of a temporary bund or channel cut across the face of the active
works area to collect runoff and provide a low velocity pathway to either a sediment control
device or a collector drain. Contour drains should be installed at the end of every day, or
when the site is about to be shut down due to impending inclement weather.
9.1.3 Collector Drains
Collector drains consist of a channel cut into the active works area to collect flow from
contour drains and discharge the flow into a sediment control device. These cut channels
are a semi permanent feature, so they must be located along a suitable path. Check dams
and reinforcement may be required under certain circumstances.
9.1.4 Rock Check Dams
Rock dams are placed across steep clean water diversions or collector drains to slow the
water velocity where it exceeds the erosive limit of the soil.
9.1.5 Channel Reinforcement
Channel reinforcement consists of lining clean water diversions or collector drains with
rock, geotextile, or other reinforcement material.
9.1.6 Benched Slopes
Benched slopes involve a reverse slope bench cut into steep and high batters to prevent
stormwater concentrating into erosive rills. Reverse benches are expected to require a
drop pipe to convey the runoff down the subsequent cut slopes.
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Draft Environmental Management PlanCastle Hill Wind Farm
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9.1.7 Drop Pipes
Drop pipes are temporary structures used to convey runoff from a channel or other type of
collection point down a steep slope without requiring an overland flow. The entrance to thepipe is flared and constructed of compacted earth reinforced with geotextile.
9.1.8 Flow Dispersal Outlets
Flow dispersal outlets are connected to a section of drainage coil or pipe that has had slots
cut into it fixed perpendicular to the slope in order to promote broad sheet flow rather than
a concentrated flow. This is suitable where flow is being discharged away from a
watercourse. The dispersal device must be laid flat and perpendicular to slope so that flow
will exit from the full length of pipe rather than concentrated at one point.
9.1.9 Rip-rap reinforced Outlets
A basin, wingwall, or other suitable structure based on existing relief to prevent scour and
erosion at and around outlets. This is suitable where flow is being discharged to a
watercourse. Depending on the situation, armouring of the opposite side and/or
downstream channel of the stream bank may also be required.
9.1.10 Stream Flow Diversion
A stream flow diversion diverts perennial water flows around a works area that is located in
a watercourse.
9.2 Sediment Control
In combination with the erosion control measures set out above, a suite of sediment control
measures are proposed for the CHWF Site. A summary of sediment control measures are
set out below.
9.2.1 Silt Fences
Silt fences are a barrier device comprising a geotextile fence used to intercept sediment
laden runoff from areas that are either unable to drain to, or are of a size that does not
warrant a communal sediment control device. Silt fences will be installed on a contour and
service catchment area’s below 0.5 ha as required.
9.2.2 Super Silt Fences
Super silt fences are the same as for silt fences but include chain link and tensioned wire for
reinforcement of the geotextile. The fence is reinforced with chain link at 400mm and
800mm above ground, comprising a double layer of geotextile from 400mm above ground
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Draft Environmental Management PlanCastle Hill Wind Farm
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to 200mm below ground. Super silt fences will be used to service catchments larger than
0.5ha where no other sediment control method is suitable.
9.2.3 Sediment Control Ponds
Sediment control ponds are a temporary pond with storage volume and outlet structure
designed to provide sufficient settling time for sediment to settle out for a range of events
up to the design storm. Ponds require maintenance by way of excavation when 20% of
total volume is lost to accumulated sediments. A level spreader will be used between the
forebay and the pond to ensure infows do not cause sediment re-suspension. Pond
catchments should generally be limited to less than 3 ha in area.
9.2.4 Sediment Control Ponds with Flocculation
Same as for sediment control ponds, but include a flocculation dosing system to aid the
settlement of suspended solids. Bench scale tests will be undertaken to determine the
suitability of flocculation systems, and if suitable, appropriate dosing rates. Dosing systems
include batch dosing, rainfall activated liquid dosing, and flow activated dosing.
Flocculants can be toxic to fauna, so stringent care will be taken to establish and operate
correct dosing regimes that ensure residual levels are safe in the environment. Flocculation
pond catchments should generally be limited to an area less than 5 ha.
9.2.5 Decanting Earth Bunds
A Decanting Earth Bund is a compacted earth bund established to created an impoundmentarea where runoff can pond and allow sediment to settle out. This is similar to a sediment
control pond but with a different outlet type and without a forebay. Catchments should
generally be limited to less than 0.3 ha and bunds will be excavated when 20% of total
volume lost to accumulated sediments.
9.2.6 Improved Decanting Earth Bund
Same as Decanting Earth Bund but with improved inlet and outlet systems as used by
sediment control ponds. A level spreader will be used at the inlet to the bund to ensure
inflows do not cause sediment re-suspension. Improved bund catchments will be limited toless than 1.5 ha and bunds should be excavated when 20% of total volume lost to
accumulated sediments.
9.2.7 Wheel Wash Stations
A wheel wash station is a flooded basin lined with agitators to remove sediments
accumulated on the wheels of trucks prior to them exiting the Site. Daily flushing of basins
will occur, with effluent being discharged into a sediment control device and any
contaminants treated in an appropriate manner. Generally wheel wash stations will be at the
Site exits onto a sealed road, and often used in conjunction with a stabilised entrance.
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9.3 Stabilisation or Surface Treatment Methods
Stabilisation and surface treatment methods will utilised at the CHWF. The use of these
measures will be refined based on site specific requirements and On-site experience. A list
of those methods that will be considered for use in the appropriate circumstances at the
CHWF is set out below.
9.3.1 Surface Roughening
Surface Roughening consists of track rolling to roughen a bare surface to slow the velocity
of sheet flow, prevent runoff concentrating into erosive rills, and aid the establishment of
vegetative cover.
9.3.2 Stabilised Construction Entrance
A stabilised construction entrance is a stabilised pad of aggregate or asphalted to prevent
erosion at a highly trafficked area, and to provide an opportunity for dust accumulated on
the truck scrape to be vibrated off. The drainage from stabilised entrances will discharge to
a sediment control device and contaminants treated in an appropriate manner.
9.3.3 Staging Works and Progressive Stabilisation
Staging or sequencing of construction and progressive stabilization and rehabilitation is a
function of construction planning. Staging requires work areas to be segmented intoseparate task areas that can be opened and then completed prior to moving onto
successive areas. These completed areas will be stabilised as they were finished, resulting
in the Site being progressively opened and then stabilised. This ensures that the minimum
area of soils are exposed at any one time and also allows for high risk work to be planned
over summer while lower risk work can be scheduled for winter works.
9.3.4 Top Soiling and Grass Sowing
Spreading topsoil and sowing grass seed to permanently stabilise exposed areas will
receive a minimum thickness of 100 mm topsoil (depending on available supply at the Site).
9.3.5 Mulching
Mulching involves spreading straw or other suitable materials to protect exposed surfaces
from erosion and to promote establishment of vegetative cover. A sufficient quantity of
mulch needs to be applied to form a protective layer over the exposed surface. Mulching
will be used as temporary measure at the Site or will be used in conjunction with top soiling
and grass sowing for permanent stabilisation.
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9.3.6 Geotextile
Geotextiles (woven or other artificial but non-degradable geotextile) will be used for the
protection of exposed areas. The type, thickness, strength and hydraulic performance of thegeotextile used depend on the situation and purpose of use. Common uses include lining
steep channels, providing removable stabilisation overnight or during inclement weather,
and lining excavations prior to placement of riprap or aggregate.
9.3.7 Biodegradable Fibre Matting
Biodegradable Fibre Matting is used to protect exposed areas and to promote
establishment of vegetative cover, often to stabilise topsoil and grass sown on steeper
slopes.
9.3.8 Hydroseeding
Hydroseeding activities will apply a mixture of grass seed, fertiliser and a binding agent
(usually wood or paper pulp) sprayed onto steep or otherwise critical exposed areas.
9.3.9 Tackifier enhanced Mulching or Hydroseeding
Tackifiers are polymers which are added to hydroseeding pulp to improve immediate
erosion protection and to aid adhesion to exposed surfaces. These tackifiers are often also
used as flocculants in sediment control ponds. Any restriction on the use of tackifiers will be
considered before application.
9.3.10 Spray Concrete
Spray concrete is a high cement content grout which is applied to immediately stabilise and
reinforce steep slopes and other critical areas. This will be used to stabilise loose rock on
steep batters adjacent to roads and bridge abutments.
9.4 Maintenance of Erosion and Sediment Control Measures
Ongoing maintenance of erosion and sediment control structures is necessary to ensure
that they remain fit for purpose and functional in a wet weather event. Such devices will be
inspected as part of the supervision duties undertaken by responsible parties and
maintained in working order whilst they are required. Inspections shall occur prior to, during
and after prolonged periods of heavy rain, as appropriate. Any defects will be promptly
rectified.
Intensive monitoring and maintenance will be required to optimise and maintain erosion and
sediment controls during construction. This will include:
• Maintaining access to ponds and decanting earth bunds following wet weather;
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• Cleaning out ponds and decanting earth bunds following heavy rainfall and high
sediment load events;
• Signposting ponds and decanting earth bunds to identify them;
• Maintaining open communications and cooperation with Council appointed
compliance staff;
• Maintaining electronic records of device condition (including photos and
inspection records);
• Providing as built drawings of key ponds and decanting earth bunds and their
catchment areas; and
• Monitoring occurrences of and managing stock interference with erosion and
sediment control measures.
In addition to specific measures, topsoil that is to be used in revegetation will be stockpiled
away from drainage lines and watercourses. These areas will be managed to minimise
erosion with surface stabilisation to prevent wind erosion.
9.5 Removal of Erosion and Sediment Control Measures
Erosion and sediment control measures will be monitored and maintained as set out in the
EMP and ESCP(s). When the use of control measures is determined to no longer be
necessary (construction activities are completed and reinstatement and revegetation of thedisturbed area implemented), Council will be advised that the area has been adequately
stabilised and that risks from erosion are low.
For clarity, removal shall only be considered when the area in question is inherently resistant
to erosion or rendered resistant. In terms of revegetation by way of grassing or
hydroseeding, inherent resistance is determined to be when ground cover is in excess of
80%.
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10. Water Management
General drainage works may be required across the Site to manage any seepages duringthe earthworks activities. Surface discharges from seepages and any springs that are
covered by construction earthworks (e.g. Excess Fill Areas) will be diverted beneath the fill
to discharge at a suitable downslope location. This will be achieved by installing under-
drainage beneath the fill areas where appropriate
Open excavations (for example Turbine Foundations) may collect either ground or rain
water. If this occurs, the excavation will be dewatered, most likely by pumping. Discharges
generated by this will be treated in accordance with the ESCP(s) and Drainage Management
Plan (DMP).
Some Internal Roads, Central Laydown Areas, turbines, Excess Fill Sites or other site
elements have been sited over an existing On-site pond. Where this occurs the ponds are
usually relatively small locally constructed retention areas used by farmers and do not hold
large volumes of water, or similarly small natural depressions where water has been allowed
to accumulate. If required, ponds will be de-watered in a controlled manner and if
appropriate, treated in accordance with the ESCP and DMP. It is not expected that this
practice will be necessary at many sites.
In addition to the ESCP (Appendix F), a draft example of the DMP is also provided in
Appendix K. This sets out the purpose, objectives and content for the DMP.
10.1 Quarry Water Management
It is estimated that 0.24 m3 of water will be required for each 1m3 of gravel in the crushing
process. Once the gravel aggregate has been sorted it will be transported to the Concrete
Batching Plant for concrete production or it will be stockpiled for use in road formation.
Detailed water management measures for quarries and aggregate processing will be
established and set out in detail in Quarry Management Plan (QMP) located in Appendix H.
Typical arrangements will include:
• Quarries will be surrounded by a cut-off nib or bund, and will drain to a multi
stage settling pond.
• Recycled water will be drawn off from this.
• Excess clean water will discharge in a controlled manner onto grass slopes.
• Sludge in settlement ponds is likely to contain a very low level of contaminants.
This will be tested during construction in accordance with the agreed monitoring
approach. Un-contaminated sludge (essentially silt and clay) will be included in
Excess Fill Areas.
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• Any contaminated sludge will be removed off site to a landfill.
10.2 Concrete Batching Water Management
General water management measures for concrete batching plants will include:
• Full management of sediment and erosion potential in accordance with the
ESCP.
• Isolation and capture of runoff from activity areas (cement silo, concrete
batching, load-out, wash-pits, sludge drying and waste concrete) into settling
ponds for recycling.
• Water will be recycled for concrete manufacture and washing the inside of the
truck bowls when it is available.
• Where storage for flows from within the activity area is full, treatment is
provided.
• Stormwater from non activity areas will be collected and treated prior to
discharge.
An outline Concrete Batching Plant Management Plan (CBMP) is provided in Appendix I.
10.3 Water Quality Monitoring
Water quality will be managed through a monitoring plan comprising a Baseline Aquatic
Monitoring Plan (BAMP) which will establish a baseline of receiving water quality at
reference sites prior to construction both during dry periods and in response to rainfall
events. A Construction Aquatic Monitoring Plan (CAMP) will also be used to establish
water quality at reference sites during construction and monitor water discharged from
representative sediment control ponds. This will enable the performance of management
measures against environmental and operational objectives to be evaluated. Detailed
information will be set out in the BAMP (Appendix J) and CAMP (Appendix K).
10.4 Wastewater Management
Toilet facilities will be provided On-site, with holding tanks or septic tanks utilised. Sewerage
will be removed from Site and disposed of at a registered waste treatment facility. Wastes
generated from wash-down activities will be collected and disposed of appropriately.
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11. Site Rehabilitation and Reinstatement
11.1 Overview
The construction of the CHWF will be progressive in nature and post construction
reinstatement of all disturbed areas will also occur in a progressive manner, and in
accordance with the measures proposed within this EMP and relevant SEMPs. This
sequential reinstatement process will occur from upstream areas moving through to
downstream areas. The reinstatement process will ensure that all areas, including any
earthworks batters, internal roads, channels and sedimentation ponds are appropriately
stabilised before the Contractor demobilises from that particular area within the Site.
Reinstatement and revegetation will focus on providing a stable landform and vegetativecover promptly after the infrastructure is no longer required, or when the earthworks activity
is complete. Once construction activity is completed in a particular cluster or area, the
following activities shall be undertaken:
• All building and construction materials shall be removed from the Site and
disposed at a licensed facility.
• Temporary facilities such as contractor compounds, concrete batching plants
and erosion and sediment controls shall be removed from Site
•
Reinstatement will involve the stabilisation and rehabilitation of disturbed areasby ripping, top soiling, and revegetating the area.
• Follow up maintenance will be undertaken until the area is satisfactorily
stabilised and restored.
• The appropriate Council shall be notified.
Retention of topsoil for use in rehabilitation will form an integral component of the
rehabilitation process. In all areas of excavation, topsoil will be removed and stockpiled for
later use in the rehabilitation and revegetation of disturbed areas.
11.2 Revegetation
The objective of revegetation and rehabilitation will (apart from where there are non-
vegetated solutions proposed) be to replace vegetation as like-for-like. To assist vegetation
establishment, stock will be excluded from recently established grass and indigenous
plantings, with measures for control of pest animals and weeds undertaken to improve
establishment success. The control of pest animals and weeds will be provided for within
the Revegetation Plan (Appendix L) and within other relevant Biodiversity Management
SEMPs such as the Weed Hygiene and Surveillance Plan (Appendix M). A combination ofmethods may be utilised and are identified within this section.
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11.2.1 Hydroseeding
Hydroseeding will comprise the application of a mixture of grass seed, fertiliser and a
binding agent (usually wood or paper pulp) sprayed onto steep or otherwise critical exposedareas. Surface roughening exposed areas will aid vegetation establishment in hydroseeded
areas. Because hydroseeding does not retain moisture as well as topsoil, grass seed and
mulching, the timing of spraying important.
The benefits of hydroseeding are that it offers a solution to revegetate difficult terrain which
cannot be established by using normal methods. It is anticipated that the seed mix to be
used in hydroseeding will include perennial ryegrass, brown top and clover. The seed mix
must be free of weed seeds and will take account of the preferences and recommendations
of CHWF landowners.
Due to the steepness of the areas proposed for hydroseeding, Genesis Energy will require
that a uniform hydroseeded cover is provided. Areas being hydroseeded shall be inspected
six to eight weeks after the application and any areas that have failed to establish shall be
retreated until in excess of 80% cover is achieved and the area is deemed to be inherently
resistant to erosion
11.2.2 Direct Drilling
Direct drilling is a method of establishing pasture cover over large areas where suitable
contour allows for machinery to manoeuvre. In areas that are to be direct drilled, preparation
may include light cultivation and rolling to assist in pasture establishment. In areas capableof being direct drilled, the expectation is that the area can be fully reestablished into pasture
cover (100% cover). Depending on the prevailing climatic conditions, the normal timeframes
to observe successful establishment of vegetative cover is approximately six weeks. All
areas will be reviewed six to eight weeks after direct drilling to determine the overall
success of the established pasture and to enable resowing to occur in areas which have not
successfully established. A range of species will be used for revegetating the Site, with
pasture grasses including perennial ryegrass, brown top and clover where appropriate.
11.2.3 Fascining
Fascining involves the laying of seed-bearing slash or mulch branches with viable seed that
has been harvested from plants and placed across the slope to retain sediment. Often this
needs to be held in place with stakes or biodegradable netting. Seed contained on the
material germinates under the protective leaf mulch and establishes. The species likely to
be used for fascining activities at the CHWF Site are manuka and kanuka. Seasonal
considerations are necessary to ensure foliage collected contains viable seed.
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11.2.4 Direct Planting
Direct planting will use plants that are naturally found in the project area and are suited to
the Site. In order to reinstate or provide establishment phase indigenous vegetation cover,species such as kanuka, toetoe, manuka, karamu, ti kouka, piripiri and coprosma will be
used initially. Secondary phase indigenous species will be planted (known as enrichment) in
the appropriate areas once the initial canopy cover has been established. Slow release
fertiliser and water crystals will be used where necessary to assist vegetation
establishment. The areas proposed to be revegetated will be determined and set out in the
relevant SEMP, with appropriate species, the composition of the planting mix, plant spacing,
plant sizes and maintenance requirements.
11.2.5 Natural Revegatation
Natural Revegetation relies on the existing seed bank within soils and surrounding
vegetation to naturally establish or colonise areas. Natural revegetation of areas can be
enhanced when topsoil is collected from an area with a significant seed bank and spread to
an area identified for revegetation (e.g. not stockpiled).
11.2.6 Maintenance of Revegetated Areas
Ongoing maintenance in the form of pest and weed control, replacement of vegetation
which has failed to establish, and fencing will be determined for specific sites and set out in
the relevant SEMP.
Secure fencing or alternative protection will be necessary to prevent vegetation being eaten
by stock and to allow native plants to grow and or regenerate. Options for control of goats
and deer are being considered as part of a wider control effort within the CHWF properties;
however pests such as possums, hares and rabbits can cause considerable damage to
establishing vegetation and will require more focused control until vegetation has
established.
Weed control will also be undertaken in order to reduce competition from weeds for the
first 3 years following planting / sowing. Weeds will be suppressed by use of an appropriate
mulch or herbicide.
11.2.7 Stock Access and Farm Management
Construction activities will at times conflict with normal farm and stock management
operations within the CHWF, expecting the need to remove fencing and other containment
measures in order to undertake earthworks.
These aspects of the project will be managed in consultation with individual farm managers
and CHWF Landowners. In order to provide for stock containment, stock will be moved to
secure paddocks and fencing will be reinstated as soon as practicable.
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12. Air Quality
Various activities associated with the construction of the CHWF are expected to result inthe creation and discharge of dust into the air. The effects are expected to be less than
minor; however management measures will be employed as necessary. Management of the
effects caused by dust discharges will be covered in the ESCP(s).
12.1 Dust Control
To manage dust emissions from the CHWF Site during construction the following measures
will be implemented as appropriate:
• Temporary sealing of roads at key areas.
• Full compliance with the EMP and ESCP (Appendix F) and other relevant
management plans
• Temporary water application to suppress dust in certain areas or conditions
• Use of cement silos and aggregate bins to avoid aeolian dust.
• Provision of wheel washing facilities (where appropriate)
• Hydroseeding and other revegetation techniques will be applied to earthworks
sites as quickly as possible post excavation.
• Earthworks sites will be limited to areas of immediate construction.
• Restriction of traffic speeds.
• Vehicle tailgates will be properly sealed.
In addition, all stockpiles will be covered or stabilised to avoid loss of material during high
wind events and where practicable, placed in areas sheltered from the wind. Where a
significant amount of material is lost, a review of storage procedures will be undertaken to
avoid reoccurrence of the event.
12.2 Machinery and Vehicle Condition
Vehicles and machinery are one possible source of air contamination. All construction
machinery and vehicles operating on the CHWF Site will be in a good state of repair and be
well maintained throughout the project.
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13. Construction Noise Management
The assessment of construction noise for the CHWF elements identified that theconstruction of the CHWF would readily comply with New Zealand Standard 6803:1999 –
Acoustics -Construction Noise. It was noted that during construction of roads, and in the
operation of construction vehicles over these roads there is potential to produce noise
levels which approach the limits of acceptability for construction noise. In order to ensure
compliance within the noise limits, and to address noise issues which may arise upon
commencement of construction a Construction Noise Management Plan (CNMP) shall be
prepared and implemented. The CNMP describes the manner in which noise effects will be
controlled to comply with the construction noise standard (except where appropriate forms
of mitigation have been provided), and to minimise noise effects on residents and other
noise sensitive activities near the Site. This CNMP includes a procedure for responding to
noise complaints. An outline CNMP is located in Appendix N.
13.1 Controlled Blasting
It is anticipated that the excavation work will be able to be undertaken entirely using
excavators and dozers with ripping attachments. However, it is possible that harder material
is encountered and that it may be necessary to undertake controlled blasting operations to
assist excavation activities.
Controlled blasting involves the breaking up of larger rock into smaller, more manageable
pieces. Rock drilling to plant the explosives is undertaken.
Any requirement for controlled blasting will be documented formally by the contractor in a
request to the Project Manager and Project Environmental Manager (or others as
necessary). The request will contain the following information:
• Name and qualifications of the responsible person(s)
• Current Approved Handlers Certification of the responsible person(s)
• Location of the area proposed for the discharge of the explosives
• Information on the method and explosive to be used and the depth and spacing
of the charges.
• The procedure for site clearance and post blast reoccupation
• Storage and handling of explosives.
• Occupational health and safety requirements
• Noise monitoring requirements.
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14. Traffic and Transport Management
A Construction Traffic Management Plan (CTMP) is proposed to manage all constructiontraffic associated with the development of the CHWF.
In advance of the CTMP being prepared, a Construction Traffic Management Framework
(CTMF) has been prepared and is provided as Appendix O. This CTMF establishes the
purpose, objectives, and process for development of the CTMP. It specifies the minimum
content for the CTMP and the deliverable expectations to be met. The consultative and
approval requirements for the plan provide an assurance about the management, control
and delivery of the proposal.
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15. Concrete Batching Plant Management
Up to four Concrete Batching Plant locations have been proposed On-site for the CHWFproject. The plants would be re-locatable with one or two locations concurrently operational
at any one time. Concrete Batching Plants may also be located next to water sources Off-
site.
A Concrete Batching Plant will consist of a concrete mixer, cement bins, sand and
aggregate stockpiles, water storage tanks and storage areas for equipment and tools.
Sufficient area is required for the use of front end loaders, delivery of materials and entry
and exit of agitator trucks. The Concrete Batching Plants will be approximately 5,600 m2 in
size.
Environmental management measures for the Concrete Batching Plant will be agreed in a
specific Concrete Batching Plant Management Plan (CBMP) (see Appendix I).
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16. Management of Quarries and Crushing Facilities
Potential gravel sources for concrete production and for construction of roads and otherhardstanding areas have been identified both On-site and Off-site. In order to use the
gravel, it will need to be quarried or excavated from the gravel source site.
An indicative quarry layout can be found in the Quarry Management Plan (QMP) located in
Appendix H.
The typical process for quarrying materials is as follows:
• Erosion and sediment controls will be established in accordance with the ESCP
and QMP.• Topsoil will be removed and stockpiled for use in rehabilitation,
• Overburden will be removed to On-site Excess Fill Areas
• Gravel resources will be excavated using earthmoving equipment. If hard
material is encountered controlled blasting may be necessary under strict
management.
• Gravel will be loaded into an adjacent crushing / screening facility.
• When the gravel deposit is exhausted, or gravel from that particular quarry is no
longer required the quarry site will be rehabilitated. This may include the use of
the quarry to deposit excess fill.
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17. Archaeological and Heritage Management
At the time of consent, no archaeological sites were known to be present and it wasconsidered unlikely that any unrecorded sites would be exposed during construction at the
CHWF Site. However, it is possible that items of archaeological interest may be discovered
as a result of exposing sub surface layers.
To address the potential for discovery items of archaeological interest, a comprehensive
Accidental Discovery Protocol will be developed in consultation with the tangata whenua.
This Accidental Discovery Protocol (ADP) will ensure that if koiwi tangata (human remains),
taonga or sub-surface archaeological evidence is uncovered during construction, work
would cease in the immediate vicinity of the remains so that appropriate action can be
taken.
Should an archaeological site be identified (through the CHWF construction process) and
the modification of such a site become necessary, an ‘Authority to modify an archaeological
site’ shall be applied for under Section 11 of the Historic Places Act 1993. No further work
shall be carried out that will affect the site until the appropriate permissions are granted.
This is in accordance with legal requirements. In addition, the tangata whenua shall be
consulted regarding the effects on Maori cultural values.
All Contractors working on the Site will be required to go through a Site induction process,
which will include training on the accidental discovery of cultural or archaeological sites or
material
A Draft Archaeological Accidental Discovery Protocol is provided in Appendix P.
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18. Biodiversity Management
The approach to biodiversity management at the CHWF Site encompasses acomprehensive suite of measures that address effects to vegetation, habitats, flora, and
fauna through construction and operation of the wind farm. These are set out in a number of
SEMPs, each of which is summarised below and include for the mitigation of operational
effects.
18.1 Revegetation Plan
A Revegetation Plan will be prepared to ensure that rapid reinstatement of vegetation cover
following on from earthworks. The overall objective of this plan will be to ensure that vegetative cover (or alternative protective measures) is established within 3-6 months of the
completion of Site works. An outline of the Revegetation Plan is provided in Appendix L.
18.2 Habitat Management Plan s)
A Habitat Management Plan will be prepared for the CHWF, to enhance areas of indigenous
vegetation and habitat to improve the overall quality and productivity of that habitat. This
shall address matters such as legal and physical protection by covenant and fencing,
enrichment planting, revegetation planting (if required), natural regeneration, pest control,
and monitoring and reporting. It will guide the permanent protection and ongoing
improvement of an area of habitat approximately 210 ha in size, in a staged manner. An
outline of the Habitat Management Plan is provided in Appendix Q.
18.3 Riparian Protection Plan
A Riparian Protection Plan will be prepared to guide the physical protection of stream
riparian margins. It will establish the mechanism for the implementation of riparian protectionis achieved in a staged manner as the wind farm is constructed.
An outline of the Riparian Protection Plan is provided in Appendix R.
18.4 Weed Hygiene and Surveillance Plan
A Weed Hygiene and Surveillance Plan shall be prepared to promote good weed hygiene
and a high standard of weed control at the CHWF Site. This will address matters such as
transportation risks from vehicles or equipment and cover both terrestrial and aquatic pestspecies. The Weed Hygiene and Surveillance Plan is located in Appendix M and will require:
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• All contractors to practice good weed hygiene, cleaning their equipment before
entering the CHWF Site.
• Ensuring that aggregates, soil, sand other material brought onto the CHWF Site
is weed-free.
• Ensuring that existing weeds present On-site do not have their spread
exacerbated by On-site activities.
• Measures to reduce the likelihood of an accidental introduction to the extent
practical.
• An annual weed monitoring programme.
• Control measures to address invasive species as a result of monitoring.
18.5 Goat Control Plan
As a component of the approach to managing pests across the Site, a Goat Control Plan
will be prepared to provide a coordinated management approach to the control of feral
goats across all properties associated with the CHWF with an aim to reduce goats to very
low levels and eliminate goats over a period of 5 years.
An outline Goat Control Plan is provided in Appendix S.
18.6 Avifauna Monitoring Plan
An Avifauna Monitoring Plan will be prepared to establish the baseline situation (building on
monitoring already undertaken at the Site) and also provide for the monitoring, assessment
and analysis of the impacts associated with the CHWF. The Avifauna Monitoring Plan shall
establish a mechanism for assessment and review by relevant specialists in order to
determine if any effects on avifauna have arisen as a result of the operation of the wind farm
and the process and proposed measures that shall be implemented to manage such effects
in an adaptive manner.
An outline Avifauna Monitoring Plan is provided in Appendix T.
18.7 Bat Monitoring Plan
Long-tailed bats have been found within the CHWF Site. A Bat Monitoring Plan will be
prepared to address the potential presence of bat roost sites within the construction
footprint, the process for relocating bats should the removal of the roosts be deemed
necessary (including seasonal and breeding considerations) and also measures to
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determine collision risks, collision monitoring, and the process and proposed measures that
shall be utilised to manage such effects in an adaptive manner.
An outline Bat Monitoring Plan is provided in Appendix U.
18.8 Lizard Monitoring Plan
A Lizard Monitoring Plan will be prepared to provide a mechanism for managing potential
effects on lizards. This will ensure that likely lizard habitat is identified and searched prior to
construction and that lizards found during construction are handled correctly and if
necessary, translocation to an area of appropriate adjacent habitat be made. Only lizards
which are officially threatened will be the subject of translocation efforts.
An outline Lizard Monitoring Plan is provided in Appendix V.
18.9 Predator Control Plan
Predator control will be undertaken at the CHWF to reduce ecological impacts arising from
introduced predators at specific high value locations within the Site. An outline of the
Predator Control Plan is provided in Appendix W.
18.10 Vegetation Management Plan
A detailed assessment of vegetation clearance requirements and mitigation has been
performed and accounted for in the AEE. Included in this is the requirement for an amount
of vegetation clearance/trimming to reduce flow effects on the wind turbines and to
maintain transmission line clearances. Where trees will be felled, this activity will be
performed by suitably qualified tree felling contractor.
An outline Vegetation Management Plan id provided in Appendix X.
18.11 Aquatic Monitoring Plans
In order to determine any effects from construction of the CHWF, a comprehensive
management programme for avoiding or mitigating effects on in-stream values is proposed.
This comprises a Baseline Aquatic Monitoring Plan (BAMP) and a Construction Aquatic
Monitoring Plan (CAMP).
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The BAMP will be developed to collect pre-construction information on aquatic communities
within the Site and will provide a comparison with subsequent monitoring during
construction.
The CAMP will then be developed, based on the BAMP, and will include compliance
standards and measures to be implemented if standards are not met Any potential effects
will be minimised by adopting best-practice erosion control measures during construction
and prompt post-construction revegetation of disturbed sites according to the ESCP.
It is expected that there will be a combination of culverts and small bridges required for the
Internal Roads to cross watercourses. Conceptual designs for water crossings have been
developed and will be implemented at watercourse crossing sites, to enable fish passage to
be maintained, as discussed in the COMR. Fish located in areas of stream beds which are
likely to become stranded or harmed by construction activities in and around the stream
may be captured and released in a section of stream that will not be affected by
construction activities.
A Draft BAMP is provided in Appendix J and Draft CAMP provided in Appendix K.
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19. Visual Mitigation
Genesis Energy intends will minimise the landscape and visual effects arising from theinfrastructure at the CHWF by implementing the following:
• Siting Turbines within a defined Turbine Corridor which has been identified to
have acceptable environmental effects.
• Colour turbines off-white to light grey colour using a low reflectivity paint to
minimise visibility of turbines and reduce the potential for blade glint.
• Screen infrastructure (substations, buildings, etc) with appropriate vegetation to
‘soften’ built features in the landscape (where practicable).
• Use an appropriate colour palette for permanent buildings to assist in theirintegration into the landscape using colours recessive in nature, and appropriate
within the rural environment
• Investigate and where appropriate, implement site specific landscape mitigation
where it is considered that the occupants are likely to experience high visual
effects from their dwelling area.
• Work with the CAA and qualified landscape architect to reduce the effects of
light spillage (type, placement, colour) from turbines and other permanent
facilities.
Once wind turbine positions are finalised the assessment of shadow flicker effects will be
reassessed to confirm that predicted shadow flicker effects are less than the guidelines of
no more than 30 hours per year and/or 30 minutes per day. Landscape mitigation shall be
applied where high visual effects will be experienced from dwelling areas (where
appropriate).
Genesis Energy will minimise the landscape and visual effects arising from the earthworks
of the CHWF by implementing the following:
• Briefing construction staff on the desired approach to minimise environmental
impacts and proposed rehabilitation measures.
• Minimise extent of earthworks cuts and escarpments in road creation at final
design.
• Minimise height of earthworks cuts and escarpments at final design where
practicable.
• Engage a qualified landscape architect to assist in minimising visual impacts.
• Modify cut and fill to relate to the existing landform and natural features
• Store and reuse topsoil on finished earthworks to assist in revegetation.
• Revegetate areas on a like-for-like basis
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20. Hazardous Material Management
A bulk storage facility (or facilities) shall be provided within a suitable location close to Siteoffices or active construction areas. Any facilities will not be located within 50m of a
watercourse. The bulk storage facility will be used to provide fuel to service all the vehicles
On-site, probably by way of mini tanker. Towable tankers may also be used in some
circumstances.
The bulk fuel tank will carry a significant capacity of diesel fuel. The tank will be double
skinned – providing an additional layer of containment should the inner tank rupture. This
tank shall be supplied and maintained by a specialist fuel supplier. Any towable tankers will
be stored in the bunded facility when these are not in use.
Spill kits will be carried in all fuel delivery vehicles (tanker trucks and towable tankers), and
be located at the contractors compound, project Site office, substations and any other
location deemed necessary.
Any fuels for hand held equipment, oils, lubricants and other hazardous compounds will be
stored in a secure facility within the contractor compound and O & M facility and in
accordance with all relevant guidelines and regulations. The small quantities of these
materials will be stored on bunded trays to prevent spillage. The following measures shall
also be required:
• The Contractor will ensure that all personnel using hazardous substances aretrained and qualified to do so.
• An incident report shall be prepared in the event of a spill/incident
• All unwanted materials and empty containers should be disposed of Off-site at
an appropriate landfill
• The Contractor Project Manager (or delegate) shall review and retain copies of
Material Safety Data Sheets (MSDS) which identify the specific requirements in
relation to storage, use and disposal of hazardous substances.
20.1 Contaminated Land
Due to the agricultural setting of the CHWF, there is the possibility of encountering old offal
pits, old sheep dip sites, rubbish pits, metals and other contaminants from historical
pesticide/fertiliser use, spills of fuel or other from storage tanks, effluent pits, and asbestos
in buried building materials. During the various investigations and consultation performed at
the CHWF, no evidence of contaminated land of any type was identified.
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Should contaminated land be encountered then an approach to management and
containment will be developed in alignment with section 22.2 Discharges of Hazardous
Materials and in consultation with the relevant council(s).
20.2 Waste Management
Covered and secure waste bins will be utilised at the Site. Both rubbish and recycling bins
will be provided and they will be clearly marked and emptied regularly to avoid overflowing.
The construction sites and work areas will be kept in a litter free condition.
All waste material will be transported Off-site for disposal at an appropriately licensed
disposal facility. There will be no On-site burial of waste material.
Surplus material and used oils may be collected for recycling; otherwise such material will
be disposed of at a registered facility.
All vehicles involved in the transportation of waste should be well maintained and waste
products on such vehicles will be well secured to avoid spills or loss.
Contractors shall ensure that no litter or debris can be dispersed from any work site, Site
plant or facilities. The dropping of litter On-site will be expressly prohibited and all people
On-site will be made aware of this requirement.
20.3 Fire Management
The following potential ignition sources at the CHWF have been identified:
• Hot work (cutting and welding)
• Cigarette smoking and disposal of butts
• Catalytic converters on petrol driven vehicles when there is a possibility of
contact with combustible material
• Ground engaging tools
The actions to be implemented to minimise the risk of fire and employ best practice with
respect to fire management include:
• Appropriate signage will be utilised to warn of fire danger
• No fires will be allowed On-site unless in accordance with the Forest & Rural
Fires Act 1977, District Council Regulations and Council Bylaws.
• No firearms will be allowed On-site without the authorisation of the Project
Manager and Landowner. It is noted that firearms may be necessary to
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implement some Biodiversity Management measures proposed for the CHWF
Site.
• Provision of fire fighting equipment (operative fire extinguishers) on all Site
vehicles and water reserves at construction sites.
• Access to the construction site will be by ‘controlled access’ only.
• The project manager and NZ Fire Service will be notified when high fire risk
construction work is being carried out on Site.
• Dead end roads shall have turn around areas at least 25 metres in diameter to
enable appliance access.
• Investigation into the cause of any fire outbreak and implementation of remedial
actions to ensure no reoccurrence of the event will be required.
• Security staff will monitor and inspect all contractor compounds and areasunder construction after work hours for fire outbreaks.
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21. Operations and Maintenance Environmental Management
The CHWF will be operational over an indefinite period. Activities On-site during theoperational phase are of significantly lower intensity than during construction, therefore a
detailed management approach for the operational phase requirements of the wind farm is
not considered to be required at this stage.
21.1 Operational and Maintenance Activities
At the end of construction, works will be stabilised and structures completed or
disestablished, and activities will be limited to those required for the long term operation of
the wind-farm. Key operational activities are identified below.
• Wind farm operation – i.e. control and scheduling of electrical equipment, and
dispatch of power.
• Repairs and maintenance activities:
o Turbine maintenance, e.g. regular servicing, including changes of
oils, filters, firmware upgrades, inspections, component
replacements
o Electrical balance of plant maintenance – e.g. electrical outages for
transformer, switchgear, other plant servicing or upgrades
o Civil works– periodic repair of Internal Roads, buildings or laydown
areas to accommodate natural deterioration or degradation
o Minor quarrying may be required for road/civil maintenance.
• Other O&M phase activities:
o Turbine performance testing
o Consent compliance testing and monitoring
o Other e.g. educational visits
Typical operations and maintenance activities, effects and management are identified in
Table7 below.
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
C a s t l e
H i l l W
i n d F a r m
5 8
T a
b l e 7 : T y p i c a l O p e r a t i o n s a n d M
a i n t e n a n c e A c t i v i t i e s , E f f e c t s a
n d M a n a g e m e n t
A
v
t
y
D
p
o
E
e
s
M
a
m
m
e
N o r m a l w i n d f a r m
o p e r a t i o n
O p e r a t i o n o f t h e w i n d f a r m t o p r o d u c e
e l e c t r i c a l p o w e r f o r e x p o r t i n t o t h e
t r a n s m i s s i o n n e t w
o r k
O p e r a t i o n t i m e s a
n d l e v e l a r e m o s t l y
d e t e r m i n e d b y t h e
w i n d s p e e d a n d d i r e c t i o n ,
h o w e v e r s o m e c o
n t r o l ( e . g . r a m p i n g ) m a y
b e i m p l e m e n t e d
O p e r a t i o n s t a f f a r
e l i k e l y t o c o m m u t e t o S i t e
f r o m n e a r b y t o w n
s . S t a f f i n g l e v e l s c o u l d b e
u p t o 4 0 f u l l t i m e e q u i v a l e n t p e r s o n n e l .
C e n t r a l p o i n t f o r e n t r y / e x i t t o S i t e a n d
s t a r t i n g a n d f i n i s h
i n g d a y f o r s t a f f w i l l b e a t
t h e o p e r a t i o n s a n d m a i n t e n a n c e
f a c i l i t y / f a c i l i t i e s
V i s u a l e f f e c t s – i . e . t h e v i s u a l i m p a c t o f
t h e
w i n d
t u r b i n e s
N o i s e e f f e c t s – n o i s e e m i s s i o n s t h r o u g h
n o r m
a l o p e r a t i o n
T r a f f i c – r o u t i n g o p e r a t i o n s a n d m a i n t e n
a n c e
s t a f f
t r a f f i c .
T r a f f i c - d r i v e r d i s t r a c t i o n a n d t u r b i n e
v i e w i n g
E c o l o
g y – p o t e n t i a l b i r d o r b a t s t r i k e
V i s u a l e f f e c t s h a v e b e e n d e t e r m i n e d t o b e
n o m o r e t h a n m i n o r
O p e r a t i o n a l n o i s e e f f e c t s w
i l l b e a d d r e s s e d
i n t h e O p e r a t i o n a l N o i s e M
a n a g e m e n t P l a n
T r a f f i c m o v e m e n t s a s s o c i a t e d w i t h t h e
n o r m a l o p e r a t i o n o f t h e w i n
d f a r m a r e n o t
e x p e c t e d t o b e s i g n i f i c a n t l y
g r e a t e r t h a n
b a s e l i n e l e v e l s .
P o t e n t i a l b i r d s t r i k e w i l l b e
m a n a g e d t h r o u g h
b i o d i v e r s i t y m a n a g e m e n t m
e a s u r e s
i n c l u d i n g a v i f a u n a a n d b a t m
o n i t o r i n g p l a n s .
W i n d f a r m o u t a g e s
E n t i r e w i n d f a r m i s d i s c o n n e c t e d f r o m t h e
g r i d f o r m a j o r t r a n
s m i s s i o n / e l e c t r i c a l o r
o t h e r k e y p l a n t m a i n t e n a n c e
T u r b i n e s a r e t e m p
o r a r i l y n o t c o n n e c t e d t o
g r i d a n d a r e p a r k e
d a n d s e c u r e d s a f e l y
V i s u a l – t e m p o r a r y c h a n g e t o n o r m a l
a p p e a r a n c e o f t u r b i n e s ( e . g . n o t r o t a t i n g )
N e g l i g i b l e o t h e r e f f e c t s e x p e c t e d
E f f e c t i s n e g l i g a b l e a n d f o r
r e l a t i v e l y s h o r t
d u r a t i o n ( e . g . < 1 d a y )
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
C a s t l e
H i l l W
i n d F a r m
5 9
A
v
t
y
D
p
o
E
e
s
M
a
m
m
e
S c h e d u l e d
m a i n t e n a n c e
( t u r b i n e )
R e g u l a r p r e v e n t a t i v e m a i n t e n a n c e o n
i n d i v i d u a l t u r b i n e ( s )
T y p i c a l l y t u r b i n e i s s h u t - d o w n a n d a t e a m o f
s e r v i c e t e c h n i c i a n
s w i l l p e r f o r m p r e d e f i n e d
a c t i v i t i e s i n o r d e r
t o e n s u r e t h e s a f e a n d
s u s t a i n a b l e o p e r a
t i o n o f t h e t u r b i n e
S e r v i c e p e r i o d s v a r y , b u t c a n b e o n a 6
m o n t h i n t e r v a l
C o u l d i n v o l v e m a j o r c o m p o n e n t
r e p l a c e m e n t
U n s c h e d u l e d
m a i n t e n a n c e
( t u r b i n e )
R e s p o n s e t o f a u l t s o r m e c h a n i c a l
b r e a k d o w n s i n t u r b i n e s
I n t e r m i t t e n t , a n d w i t h a g o o d s c h e d u l e d -
m a i n t e n a n c e p r o g
r a m m e i n f r e q u e n t
C o u l d i n v o l v e m a j o r c o m p o n e n t
r e p l a c e m e n t
I n c r e a s e d p o t e n t i a l f o r h a z a r d o u s w a s t e
( e . g .
o i l s / g r e a s e s )
C o m p l i a n c e w i t h S i t e e n v i r o n m e n t a l
m a n a g e m e n t p l a n ( s ) – f o r e
x a m p l e S p i l l
R e s p o n s e P l a n
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
C a s t l e
H i l l W
i n d F a r m
6 0
A
v
t
y
D
p
o
E
e
s
M
a
m
m
e
M a j o r c o m p o n e n t
r e p l a c e
m e n t
T y p i c a l l y i n v o l v e s
t h e r e m o v a l a n d
r e p l a c e m e n t o f a m a j o r c o m p o n e n t , e . g .
g e n e r a t o r , g e a r b o
x , r o t o r , n a c e l l e ,
t r a n s f o r m e r , e l e c t r i c a l l i n e a n d o t h e r s
C a n i n v o l v e t h e t e
m p o r a r y , s i n g u l a r u s a g e
o f c r a n e s , t r a n s p o r t r i g s , i n c r e a s e d s t a f f i n g
L e v e l o f a c t i v i t y a n d d u r a t i o n w i l l v a r y
d e p e n d i n g o n t h e
t y p e o f m a j o r c o m p o n e n t
r e p l a c e m e n t
M a y i n v o l v e t e m p
o r a r y s t r e n g t h e n i n g w o r k s
t o e x t e r n a l b r i d g e
s a n d / o r t r a f f i c / t r a n s p o r t
m e a s u r e s
P o s s
i b l e e f f e c t s i n c l u d i n g :
T r a n s p o r t a n d t r a f f i c – e . g . r e q u i r e m e n t
t o
i m p o r t o v e r w e i g h t o r o v e r - d i m e n s i o n l o a d s
C r a n e u s a g e ( m i n o r t r a n s p o r t e f f e c t , v i s u a l )
P o s s
i b l e d i s r u p t i o n t o t r a f f i c
C o m p l i a n c e w i t h r e l e v a n t m
a n a g e m e n t
p l a n s
C i v i l M
a i n t e n a n c e
( I n t e r n a l R o a d s ,
p l a t f o r m s )
G r a d i n g a n d r e s t o
r a t i o n o f r o a d s a n d
T u r b i n e P l a t f o r m s
o r t h e i r d r a i n a g e s y s t e m s
t o m a i n t a i n t h e l e v e l o f i n t e n s i t y r e q u i r e d f o r
n o r m a l o p e r a t i o n s
a c t i v i t i e s
I n t e r m i t t e n t , b u t m
a n y a c t i v i t i e s m a y b e
p e r f o r m e d o n a r e
g u l a r / s c h e d u l e d b a s i s
P o s s i b l e a d d i t i o n a l m i n o r q u a r r y i n g a c t i v i t i e s
t o e x t r a c t a g g r e g a t e f o r c i v i l m a i n t e n a n c e
S e d i m e n t a n d e r o s i o n – e . g . c a u s e d b y
a n y
e a r t h
m o v i n g a c t i v i t i e s
C o m p l y w i t h e r o s i o n a n d s e d i m e n t c o n t r o l
p l a n ( s )
C o m p l y w i t h q u a r r y i n g m a n
a g e m e n t p l a n
O t h e r a c t i v i t i e s
O t h e r a c t i v i t i e s , w
h i c h a r i s e i n t h e o p e r a t i o n o f t h e C
H W F f r o m t i m e t o t i m e , w i l l b e m a
n a g e d i n f u l l a c c o r d a n c e w i t h t h e r e l e v a n t
e n v i r o n m e n t a l m a
n a g e m e n t p l a n ( s )
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21.2 Transport Activities
Operational transport activities will involve limited day to day access by wind farm staff and
contractors together with occasional delivery of supplies and components. There may alsobe times when major turbine component replacement is necessary. At these times, the level
of activity and the duration of those activities will vary depending on the type of major
component replacement. Transport requirements will include a requirement to import
OW/OD loads, involve increased staffing and possible disruption to traffic.
Civil maintenance of Internal Roads and Turbine Platforms are expected to require
infrequent grading and restoration of roads and Turbine Platforms or their drainage systems
to maintain the level of intensity required for normal operations activities. These activities
will be intermittent, internalised and will be performed on a scheduled basis.
21.3 Wastewater Management
Toilet facilities will be provided On-site, with holding tanks or septic tanks utilised. Sewerage
will be removed from Site and disposed of at a licensed waste treatment facility in
accordance with the manufacturer’s recommendations and the level of utilisation.
21.4 Operational Noise Management
At all dwellings, the sound levels predicted from operational activities from the CHWF can
comply with the limit recommended in NZS6808:2010. To ensure compliance is achieved,
and to address noise issues which may arise upon commencement of the operation of the
wind farm, the following measures are proposed:
• That noise emissions assessed by NZS6801, NZS6802 and NZS6808, will
comply with limits in the District Plans and with those derived by the method in
NZS6808:2010 as appropriate.
• The noise assessment presented in the AEE will be reviewed prior to theconstruction of the CHWF. This will include a recalculation of the CHWF sound
output once the wind turbine selection has been determined and their operating
parameters are known, and their siting location has been determined. The
outcome of this will be the production of an Operational Noise Assessment
Report, in which it shall be demonstrated that the noise limits of NZS6808 or of
resource consent conditions will be met.
• The sound character of the selected turbines should also be assessed once the
first turbines are installed and commissioned, to ensure that special audible
characteristics are not present, and to allow the manufacturer to rectify any
such problems before the remainder of the CHWF is constructed.
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• An Operational Noise Management Plan (ONMP) shall be produced, which shall
include a description of the monitoring regime that will be employed to
determine compliance with noise limits (including the location of monitoring
points, duration of measurement, and requirements to report results), andprocedures for handling noise complaints. An outline ONMP is provided in
Appendix Y.
21.5 Wind Farm Decommissioning
It is expected that the CHWF will continue to operate with repairs, refurbishments and
replacement indefinitely into the future. If circumstances arise that cause the CHWF to
permanently cease operations, it will be decommissioned. If decommissioning is necessary
in the future, a specific decommissioning plan will be prepared and the appropriateapprovals will be sought from Council at the appropriate time.
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22. Incidents
All environmental incidents will be recorded and immediately reported to the Project
Environmental Manager within 24 hours of the incident occurring. The Environmental
Manager will determine the need and timing for reporting the incident to the Councils.
The need for and timing of reports will depend on the seriousness of the incident, Where an
incident or potential incident occurs that is likely to cause significant Off-Site effects on
people or the environment a report shall be supplied to the Council detailing the relevant
facts within 48 hours of the incident occurring. A further detailed report outlining
investigations of the causes and identification of additional preventative measures shall be
submitted to the Councils within 14 days of the incident.
All personnel will be made familiar with the CHWF Contingency Response Plan (below),which identifies objectives and actions to be taken in the event of an environmental
emergency. If a significant ecological, social or heritage event occurs as a result of any
project activity, works in the immediate area will cease and the Project Environmental
Manager will be advised. Consultation with Council will be initiated, experts or individuals
will be engaged to assess the extent of the impact, and a plan for remedial action will be
developed. Remedial work will be undertaken as required and may be subject to inspection
from the Councils.
The incidents register will be kept at the Site office. All personnel working On-site are
required to report any incidents.
22.1 Incident Response Plan
If an environmental emergency or incident occurs On-site, prompt remedial action will be
implemented. Once the situation is controlled and addressed, a review will be undertaken to
assess the effectiveness of the remedial actions employed. The EMP will be updated to
reflect the outcome of any reviews.
Unforeseen events which may result in emergency action being undertaken include:
• Natural Hazards such as earthquake, flooding, extreme rainfall and wind events
• Pre-existing contamination sites
• Operational failures
• Equipment failures
• Ecological disturbances
• Vandalism
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The following sections discuss the potential incidents which may occur On-site and the
expected response.
22.2 Discharges of Hazardous Materials
In the event of a spill or discharge from fuels, lubricants, and hazardous materials the
following procedure should be followed:
• Evaluate the type of spill, the risks involved and the volume of material
• Stop all operations in the immediate area of concern and remove any ignition
sources
• Ensure appropriate Protection Personal Equipment (PPE) is being used
• If appropriate, isolate the spill
• Contain the spill using a spill kit
• Report the incident to the Project Environmental Manager who will instigate the
Incident response’ including:
o Notification of the Regional Council Pollution Hotline
o Notification of the Consents Manager(s) at the Council(s)
o Notification of the Compliance and Monitoring Officer(s) at the
Council(s)
• Seek appropriate help
• Start cleaning the site
• Waste material will be sent to landfill
• Contaminated soil will be sent to the appropriate facility
• Replace any material used in the spill kit
• Review the cause and response procedures. Amend operational procedures as
necessary.
A Spill Response Plan (SRP) has been provided in Appendix Z.
22.3 Sediment Control
Discharges of sediment may occur where there are failures of erosion and sediment control
devices due to a significant or extreme weather event.
In the event of a sediment discharge the following procedure should be followed:
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• Identify the issue which is contributing to the discharge.
• Take all practicable steps to improve the quality of the discharge, including:
o
Unblocking any sediment control deviceso Use an approved flocculant in accordance with the ESCP
o Increase detention time in sediment ponds where practicable
o Preventing discharge by blocking discharge outlets
o Determine measures to remove deposited sediments
• Undertake a review of the failure to identify any requirement for repair,
replacement or redesign – such as:
o Increase size of sediment control devices
o Installing additional sediment control devices
o Increase diversion of clean water around exposed surfaces
o Mulch exposed surfaces
The Environmental Project Manager shall notify Council at the earliest possible convenience
to advise of the incident and the proposed approach to mitigating the discharge should
appropriate mitigating measures be appropriate or available.
Where sediment discharges prevent the use of domestic water supplies, an alternative
temporary water supply will be installed and maintained by Genesis Energy until the originalsupply is fit for purpose and consumption. This is likely to consist of providing a tank and
tanker supply to the affected areas.
22.4 Fire
Equipment such as fires extinguishers and fire blankets will be located in the Site office and
within all contractor vehicles. Water carts will be located On-site and will assist with
extinguishing a fire. If a fire cannot be extinguished immediately, the Fire Service shall be
contacted. The Project Manager and Environmental Project Manager will determine thesafety of all persons and property in determining the immediate fire response.
The New Zealand Fire Service will be provided with layout details of the wind farm, including
access points, road network and the location of water sources.
22.5 Noise
Should noise generated from the CHWF and associated operations be the subject of
complaint, the noise generating activity will be reviewed in accordance with relevant
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standards by the Environmental Project Manager and Project Manager and a decision be
made as to weather to stop that activity.
A review will be undertaken to identify why the activity is considered to produce excessivenoise and if there are practical options to reduce the noise generated or remediate the
noise producing activity. Such options to be considered include:
• Undertaking the activity under alternative climatic conditions
• Undertaking the activity in an alternative location
• Reducing the number of activities being undertaken at any one time
• Using noise barriers to muffle sound
• Repair any damaged or faulty equipment generating the noise.
22.6 Air-borne Particles
Should particles such as dust, cement or other contaminants be identified, measures will be
taken to eliminate the source. This will be achieved by applying water to the source of dust,
covering loads or exposed areas.
Once the situation is remedied, the incident will be investigated to determine how the
situation can be avoided or mitigated going forward.
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23. Inspection, Monitoring and Auditing
The system for reviewing the environmental performance of the project activities will be
based on regular inspections, audits and sound environmental monitoring programs. These
aspects are discussed in more detail in the following sections.
23.1 Inspections
During construction, weekly inspections will be undertaken by the Contractor and Genesis
Energy Environmental Project Manager to achieve fine scale monitoring of specific
environmental aspects to ensure compliance with the EMP, SEMPs and the relevant
resource consents.
An indication of the environmental aspects requiring monitoring and the frequency of
inspections are presented in Table 8 below. This list is not exhaustive and may be amended
as specific environmental issues arise. In addition to the targeted inspections detailed
below, the contractor will have the responsibility of identifying any non-compliance with the
EMP and SEMPs.
Table 8: Environmental Inspections
Environmental Aspect Frequency as
appropriate)
Erosion and sediment controls – Ensure there are no significant erosion /sedimentation events caused by inadequate maintenance of soil / watercontrol devices
As provided inthe SEMP
Culverts – Ensure the culverts On-site remain free from debris and fishpassage is not restricted
Weekly
Hazardous materials and waste – Ensure all hazardous material and wastestored and handled as per the EMP and the statutory requirements
Weekly
Roads – Road conditions meet required standards and ensure the safetransportation of required material On-site.
Weekly
Site remediation – Stabilisation and revegetation works are successful with nosignificant plant loss
Weekly
Biodiversity – Ensure the no-go zones are left undisturbed. Inspections will alsolook for signs of dieback due to dust or root compaction, weed infestationsand plant disease.
As provided inthe SEMPs
The effectiveness of the inspections will be reviewed and where necessary, the level, scope
and timing of inspections will be improved through the life of the project to ensure the
project achieves the required environmental performance.
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23.2 Monitoring
Genesis Energy has proposed a range of measures and environmental monitoring to
appropriately address the potential adverse effects of the CHWF development.Management of the CHWF during both the construction and operation phases revolves
around the establishment of this EMP and the associated SEMPs.
In addition, Genesis Energy or its representative(s) will closely and regularly monitor the
construction works. Work will require formal notice to proceed. This notice will not be
issued to the contractor unless Genesis Energy is satisfied that appropriate, compliant
measures to avoid potential adverse effects are either in place or shall be undertaken in
accordance with the management plans, or if not practicable, planned to occur during the
works.
23.3 Auditing
Auditing of performance is central to confirming that the environmental management
measures proposed are implemented, effective and maintained. It is appreciated that
Council representatives will have a role in monitoring and auditing the project so that it is
proceeding in compliance with resource consents. In addition to Council monitoring and
auditing (where Genesis Energy will work closely with the Council representatives), Genesis
Energy will have its own audit procedures to ensure that the Contractor engaged to
construct the CHWF is undertaking its work in consistency with Genesis Energy’sEnvironmental Values.
The Project Environmental Manager will be the lead Genesis Energy representative to audit
and inspect works to determine if the contractor is undertaking these in accordance with the
EMP and SEMPs. The Genesis Energy Project Environmental Manager will also undertake
periodic audits in response to complaints and incident management.
23.4 Non-compliances
A Non-compliance Report will be generated when:
• A complaint is received regarding any environmental impact or aspect caused
by the project, provided initial investigations show the complaint is valid.
• A departure from approved or agreed environmental procedures is observed.
• A non-compliance is identified as a consequence of any self assessment, formal
audit or other environmental survey or inspection.
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Any individual working On-site may create a Non-compliance Report. If the non-compliance
is considered to be a breach of the resource consent or legislative requirements the
Councils will be notified. Non-compliances and corrective actions will be recorded and kept
at the Site office and included in the weekly and monthly reports.
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24. Complaints and Enquiries
There are several ways the general public can register complaints about the environmental
performance including:
• A dedicated public enquiry line
• Direct contact with Genesis Energy (0800 436 946)
• Direct contact with On-site staff or Project Manager
• CHWF Website by contacting [email protected]
Any complaints received will be recorded by the Project Environmental Manager in the
Public Enquiry Record and registered with the Site Manager. The Record shall include thedetails of the complainant, date, nature of complaint, weather conditions at the time of the
event (if relevant), corrective action and follow up with the complainant. The record will be
kept at the Site office and included in the weekly and monthly reports.
If a material complaint is received the Councils will be notified within 5 days.
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25. EMP Documentation
The following section describes the documentation required to implement and maintain the
EMP. Genesis Energy will prepare a reporting template which will be issued to Council on a
monthly basis during construction and as necessary during operation of the CHWF.
In addition to the documentation described in the preceding sections, the following
documents will be maintained in the Site office:
• EMP
• SEMPs
• Resource Consent documentation
• Training and induction records
• Any special permits or approvals required to undertake works On-site (e.g.
blasting approvals)
25.1 Work Instructions
The main contractor will prepare Work Instructions where appropriate. Work Instructions will
provide a high level of detail on the environmental aspects and obligations for a specific
work package to guide the relevant personnel or sub-contractors. The scope of the work
instruction will be dependent on the activity being undertaken, and will be prepared at the
discretion of the Project Manager. Examples of environmental aspects requiring Work
Instructions include the following:
• Clearing and internal road preparation
• Removal of, or works around sensitive ecology
• Excavations
•
Weed control• Traffic management
• Waste management
• Soil erosion
• Handling and storage of hazardous substances
• A copy of all Work Instructions will be maintained at the Site office.
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25.2 Inspection and Audit Reports
As outlined in Section 23 regular inspections and audits will be undertaken and
documented. Inspection reports and associated environmental documentation will beavailable at the Site office. Subsequent details of corrective action and results will also be
available.
25.3 Weekly and Monthly Reports
Weekly and monthly reports will be prepared by the contactor and be made available to
relevant stakeholders. The contents of the reports would include at minimum:
• Monitoring undertaken
• Works undertaken in the work period
• Mitigating measures / management solutions implemented
• Environmental incidents report summaries
• Environmental statistics
• Environmental non-conformances
• Issues, actions
• Any audit reports during the period
A copy of the weekly and monthly reports will be maintained in the Site office. Regular
reports will be provided by the contractor outlining details and performance of management
solutions implemented during the reporting period, and also identifying any improvements or
adaptations to the SEMP required to address any site-specific issues which arise.
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Appendix A: CHWF Figures
Figure 1: Location Map
Figure 2: Layout Overview
Figure 3: External Roads
Figure 4: Component Location Plan A1
Figure 5: Component Location Plan A2
Figure 6: Component Location Plan A3
Figure 7: Component Location Plan A4
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Tinui
Pahiatua
Pongaroa
Bideford
Tiraumea
Alfredton
Eketahuna
Castlepoint
Wellington Region
Manawatu-Wanganui RegionTararua District
Masterton District
Palmerston North City
Makuri
Mataikona
Mauriceville
Figure 1: Location Map
"
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"
NAPIER
WANGANUI
HASTINGS
MASTERTON
WELLINGTON
PALMERSTON NORTH
Legend
CHWF Site
Council Boundary
0 4 8 122Kms
W-CHL-GE-001
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D
B
A
EG
F
C
Figure 2: Layout Overview
Legend
GG Wind monitoring masts (existing)
Turbine Corridor
Turbine Cluster (A-G)
CHWF Site
Electrial Balance of Plant
")1 Main Substation option 1
")2 Main Substation option 2
")3 Satellite Substation
")4 Switching Station (optional)
Internal Transmission Line (220kV)
Internal Transmission Line Deviation
Internal Roads
Turbine access
Substation access
Internal Transmission Line tower access
0 2 4 61Kms
W-CHL-LY-001
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Rout e 5 2
M a n g
a o n e
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Tararua District
Masterton District
Palmerston North City
Carterton District
Horowhenua District
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NAPIER
WANGANUI
HASTINGS
MASTERTON
WELLINGTON
PALMERSTON NORTH
Figure 3: External Roads
Legend
CHWF Site
Council boundary
Internal Roads (indicative)
External Roads
Over-weight/Over-dimension route
Additional construction traffic route
To Port of Napier on SH2
Port of Napier
0 3 6 91.5km
W-CHL-TP-001
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d
Council Boundary
CHWF Site
Turbine Corridor
Turbine Cluster (A-G)
External Dwellings
CHWF Landowner Dwellings
Indicative Turbine Layout
! 80M Turbine Layout
! 90M Turbine Layout
! 100L Turbine Layout
! 110L Turbine Layout
Indicative Internal Road Design
80M Internal Road
90M Internal Road
100L Internal Road
110L Internal Road
Internal Substation Access Road
Internal Transmission Line Access Road
_̂ Internal Road Water Course Crossings
Transport Route
Electrical Balance of Plant
Substations
Optional Switching Station
"J Electrical Switchgear Huts
220kV Internal Transmission Line Towers
220kV Internal Transmission Line
Optional Internal Transmission Line Deviation
33kV Overhead Internal Electrical Lines
33kV Underground Interal Electrical Cables
Indicative Construction Areas
!(L Laydown Areas
!(B Concrete Batching Plant
!(Q Quarry Locations
Quarry and Crushing Fa
Excess Fill Areas
!(W Water Take Points
Water Storage Areas
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Council Boundary
CHWF Site
Turbine Corridor
Turbine Cluster (A-G)
External Dwellings
CHWF Landowner Dwellings
Indicative Turbine Layout
! 80M Turbine Layout
! 90M Turbine Layout
! 100L Turbine Layout
! 110L Turbine Layout
Indicative Internal Road Design
80M Internal Road
90M Internal Road
100L Internal Road
110L Internal Road
Internal Substation Access Road
Internal Transmission Line Access Road
_̂ Internal Road Water Course Crossings
Transport Route
Electrical Balance of Plant
Substations
Optional Switching Station
"J Electrical Switchgear Huts
220kV Internal Transmission Line Towers
220kV Internal Transmission Line
Optional Internal Transmission Line Deviation
33kV Overhead Internal Electrical Lines
33kV Underground Interal Electrical Cables
Indicative Construction Areas
!(L Laydown Areas
!(B Concrete Batching Plant
!(Q Quarry Locations
Quarry and Crushing Fa
Excess Fill Areas
!(W Water Take Points
Water Storage Areas
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Council Boundary
CHWF Site
Turbine Corridor
Turbine Cluster (A-G)
External Dwellings
CHWF Landowner Dwellings
Indicative Turbine Layout
! 80M Turbine Layout
! 90M Turbine Layout
! 100L Turbine Layout
! 110L Turbine Layout
Indicative Internal Road Design
80M Internal Road
90M Internal Road
100L Internal Road
110L Internal Road
Internal Substation Access Road
Internal Transmission Line Access Road
_̂ Internal Road Water Course Crossings
Transport Route
Electrical Balance of Plant
Substations
Optional Switching Station
"J Electrical Switchgear Huts
220kV Internal Transmission Line Towers
220kV Internal Transmission Line
Optional Internal Transmission Line Deviation
33kV Overhead Internal Electrical Lines
33kV Underground Interal Electrical Cables
Indicative Construction Areas
!(L Laydown Areas
!(B Concrete Batching Plant
!(Q Quarry Locations
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d
Council Boundary
CHWF Site
Turbine Corridor
Turbine Cluster (A-G)
External Dwellings
CHWF Landowner Dwellings
Indicative Turbine Layout
! 80M Turbine Layout
! 90M Turbine Layout
! 100L Turbine Layout
! 110L Turbine Layout
Indicative Internal Road Design
80M Internal Road
90M Internal Road
100L Internal Road
110L Internal Road
Internal Substation Access Road
Internal Transmission Line Access Road
_̂ Internal Road Water Course Crossings
Transport Route
Electrical Balance of Plant
Substations
Optional Switching Station
"J Electrical Switchgear Huts
220kV Internal Transmission Line Towers
220kV Internal Transmission Line
Optional Internal Transmission Line Deviation
33kV Overhead Internal Electrical Lines
33kV Underground Interal Electrical Cables
Indicative Construction Areas
!(L Laydown Areas
!(B Concrete Batching Plant
!(Q Quarry Locations
Quarry and Crushing Fa
Excess Fill Areas
!(W Water Take Points
Water Storage Areas
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T i n u i
M a n
a w a R
o a d
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Draft Environmental Management PlanCastle Hill Wind Farm
Appendix B: Resource Consents held relating to the CHWF
[Resource Consents held in relation to the CHWF to be inserted when available]
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D r a f t E
n v i r o n m e n t a l M a n a g e m e n t P l a n
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S u b C o n t r a c t o r A
O t h e r C o n t r a c t o r s
G r e a t e
r W e l l i n g t o n
R e g i o n
a l C o u n c i l
H o r i z o n s R e g i o n a l
C o u n c i l
M a s t e r t o n D i s t r i c t
C o u n c i l
T a r a r u a D i s t r i c t
C o u n c i l
T a n g a t a W h e n u a
R e p r e s
e n t a t i v e s
D e p a r t
m e n t o f
C o n s e r v a t i o n
C H W F
L a n d o w n e r s
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Draft Environmental Management PlanCastle Hill Wind Farm
Appendix D: CHWF Project Enquiry Form
Date of Enquiry
Time of Enquiry
Name
Address
Phone Number
Nature of Enquiry
Weather Conditions On-
site at the time of Enquiry
Enquiry Received by:
Proposed Action s)
Date of Action:
Logged in Consultation
Database
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Draft Environmental Management PlanCastle Hill Wind Farm
Appendix E: Site Contractor Acknowledgement Form
[Form to work in accordance with the Principles of the EMP and related documentation is tobe prepared]
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Draft Environmental Management PlanCastle Hill Wind Farm
Appendix F: Erosion and Sediment Control Plan ESCP)
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DR
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Castle Hill Wind Farm
Erosion and Sediment
Control Plan
• Prepared for
Genesis Energy
• July 2010
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P A T T L E D E L A M O R E P A R T N E R S L T D
C a s t l e H i l l W i n d F a r m E r o s i o n a n d S e d i m e n t C o n t r o l P l a n
Quality Control Sheet
T I T L E Castle Hill Wind Farm Erosion and Sediment Control PlanErosion and
Sediment Control Plan
C L I E N T Genesis Energy
V E R S I O N Draft
D A T E July 2011
J O B R E F E R E N C E A02337300
S O U R C E F I L E ( S ) A02337300R007 ESCP draftv1
DR
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Prepared by
S I G N A T U R E
H a y d e n E a s t o n
Directed, reviewed and approved by
S I G N A T U R E
A l a n P a t t l e
Limitations:
The report has been prepared for [Click here to type CLIENT], according to their instructions,for the par ti cular objectives descr ibed in the report. The information contained in the
report should not be used by anyone else or for any other purposes.
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P A T T L E D E L A M O R E P A R T N E R S L T D
C a s t l e H i l l W i n d F a r m E r o s i o n a n d S e d i m e n t C o n t r o l P l a n
Executive Summary
An Executive Summary discussing the Erosion and Sediment Control Plan will be
provided.
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P A T T L E D E L A M O R E P A R T N E R S L T D
C a s t l e H i l l W i n d F a r m E r o s i o n a n d S e d i m e n t C o n t r o l P l a n
Table of Contents
S E C T I O N P A G E
Executive Summary ii
1.0 Introduction 1
1.1 Purpose 1
1.2 Objectives 1
2.0 Design Philosophy and Principles 2
3.0 Planning Framework 2
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4.0 Assessment of Risk 2
5.0 Overall Erosion and Sediment Control Approach3
5.1 Team Approach 3
5.2 Erosion and Sediment Control Device and Measures 3
5.3 Monitoring 4
5.4 Miscellaneous Activities 5
6.0 Specific Erosion and Sediment Control Methodology for each
Turbine Cluster 5
6.1 Development Phase 1 5
6.2 Development Phase 2 5
6.3 Development Phase 3 5
6.4 Development Phase 4 5
6.5 Development Phase 5 5
6.6 Development Phase 6 5
7.0 Activity Details and Methodologies 5
7.1 Roads in steep topography 6
7.2 Concrete Batching Plants 6
7.3 Stream Realignments and Rehabilitation 6
7.4 Quarries 6
7.5 Culvert Installation 6
7.6 Bridge Works 6
8.0 Planning Considerations 6
8.1 Assessment against the Statutory Provisions 6
9.0 Conclusions 6
10.0 Key References 6
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P A T T L E D E L A M O R E P A R T N E R S L T D
C a s t l e H i l l W i n d F a r m E r o s i o n a n d S e d i m e n t C o n t r o l P l a n
Appendices
Appendix A: Area Overview Plan
Appendix B: USLE Assessment
Appendix C: Erosion and Sediment Control Design Drawings
Appendix D: Sizing Calculations
Appendix E: Chemical Treatment Report i f required
Appendix F: Consent conditions
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M E R O S I O N A N D S E D I M E N T C O N T R O L P L A N
1.0 Introduction
This section will provide a brief introduction to the Erosion and Sediment Control
Plan(s) (ESCP) and its purpose in the context of the Castle Hill Wind Farm (CHWF).
The will include a brief overview of the Project, what the project entails and how
ESCPs play a part in the wider suite of management plans for the Project.
The introduction will include discussion of the process to be followed in development
and implementation of ESCPs:
• that Genesis Energy’s contractor/consultants will prepare the detailed design
plans for erosion and sediment control devices as per the direction provided
by the ESCP and the conditions of Resource Consent(s).
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• that the ESCP and detailed design plans will undergo a consultation/review
process with Council.
• that once agreed and consented, the ESCP will be constructed.
• that Genesis Energy and its contractors will be responsible for managing the
operation and maintenance requirements of the ESCP.
1.1 Purpose
The purpose of an ESCP is to describe the method(s) to minimise soil erosion and the
treatment of sediment laden overland flow during construction of the CHWF Project.
This includes, but is not limited to:
• Providing an outline of the proposed activities for each phase of development.
• Evaluation of, and reporting on, activities and monitoring from the previous
phases of development.
• Providing specific details of the earthworks and key associated erosion and
sediment control measures proposed.
The ESCP will be developed in phases consistent with the development of theWindfarm.
1.2 Objectives
The following operational objectives will be used to develop each ESCP.
• The use, as a minimum, of the erosion and sediment control methods
promulgated through the Hydrology Effects Assessment (PDP, 2011) and any
outcomes defined through the required statutory process.
• Demonstrate how the erosion and sediment control methods promulgated are
the Best Practicable Option.
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M E R O S I O N A N D S E D I M E N T C O N T R O L P L A N
• Review of monitoring data and lessons from implementation of previous ESCPson site to inform the choice of devices used in different situations.
• The ESCP is monitored, evaluated and where necessary modified to manage
or mitigate alterations to the following; the project brief, the project site
conditions or identified risks, or any significant adverse effects identified
within receiving environments.
2.0 Design Philosophy and Principles
The following section will set the context for the development of the ESCP(s). The
principles of an ESCP are defined from Wellington Regiona l Council’s (WRC) Erosion
and Sediment Control guideline (GWRC, 2002). These are:
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• Minimise Disturbance
• Stage Construction
• Protect Steep Slopes
• Protect Waterbodies
• Stabilise Exposed Areas Rapidly
• Install Perimeter Controls
• Employ Detention Devices
• Make Sure the Plan Evolves
• Inspect
These principles will be discussed individually and commentary will also be given how
each should be incorporated within this ESCP.
Reference will also be made to other supporting AEE documentation which outlines the
specific details of each construction location.
3.0 Planning Framework
This is a brief section that will discuss the linkages of the ESCP with the resource
consent(s), required management plans and relevant planning documents.
4.0 Assessment of Risk
The purpose of this section is to provide an analysis of the expected and foreseen
risks that might occur within the area of work being considered.
A project wide risk assessment has been carr ied out and this would be the starting
point for the site specific assessment for the proposed area of work.
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C A S T L E H I L L W I N D F A R M E R O S I O N A N D S E D I M E N T C O N T R O L P L A N
The Universal Soil Loss Equation (USLE) would be utilized. This assessment willprovide an initial justification to the proposed sediment and erosion control devices
that will be used to manage and mitigate the effects. This would be confirmed with
the operational experience offered by Genesis Energy’s consultants, contractors and
Council reviewers.
As well as USLE methods, degree of risk can be classif ied into three key categories,
which are:
• Sediment generating potential - this highlights the generation potential of the
area in question and is based on slope, slope length, soils, rainfall and erosion
control factors.
• Sediment delivery – this relates to the amount of eroded material that is
retained on site in depressions and within the site’s natural contours prior to it
entering any sediment treatment devices.DR
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• Sediment yields – the amount of sediment that actually leaves the site and
enters the receiving environment. It is well recognised that this is the key
area of interest.
Discussion of each of these categories will be prov ided in relation to the methods
proposed.
5.0 Overall Erosion and Sediment Control Approach
The following section will provide an outline of the key measures that will be
implemented as part of the ESCP for the phase of work being considered and builds on
the principles outlined in Section 2.0.
5.1 Team Approach
This section will outline the parties and personnel involved in developing,
implementing, monitoring and modifying the ESCP. This will include Council, Genesis
Energy consultants/contractor, and Genesis Energy staff. This section is included to
demonstrate that adequate resources, commitment and expertise are provided to
effectively implement erosion and sediment controls from start to finish of the Project
(design through to dis-establishment).
A key focus of this section wil l be how effective communication will occur. Discussion
on how information, reports, data will be disseminated amongst all the required
parties will be provided.
5.2 Erosion and Sediment Control Device and Measures
This section will provide a brief summary of what erosion and sediment control
measures will be used to minimise the extent of soil erosion and sediment yield in the
area of the site being considered. This will draw from the toolbox of methods set out
in the PDP Hydrology Effects Assessment.
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C A S T L E H I L L W I N D F A R M E R O S I O N A N D S E D I M E N T C O N T R O L P L A N
This section will include both engineered (device orientated) and management options(such as staged works, timing of works etc). The section will not get into the specific
detail for each individual device (this comes in section 6), the purpose of this section
is more to state how the device designs will generally conform to meet WRC’s erosion
and sediment control guideline.
5.3 Monitoring
This section will be broken into two types of monitoring; performance monitoring of
device effectiveness, and site monitoring for assessing current and new risk.
Within each of these types of monitoring, discussion will be provided on how the
monitoring results will be reported, evaluated and where appropriate actioned (eitherthrough changes to the monitoring strategy or site erosion and sediment control
improvement). DR
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For device performance monitoring, discussion will be provided to demonstrate that
the erosion and sediment control devices have been installed correctly and are actually
working as intended. This monitoring section will need to demonstrate what
procedures will be used throughout the entire period of construction.
Discussion of the performance monitoring information of erosion and sediment control
devices will be provided.
Discussion of how monitoring will be undertaken; such as grab samples, laboratorymethods of analysis, reporting of monitoring results, and how monitoring results will
be evaluated and where appropriate, the monitoring methodology altered, will be
provided.
In parallel to device monitoring, receiving environment monitoring of freshwater and
freshwater habitat monitoring will be included.
The monitoring section will also include how continued assessment for risks will be
undertaken i.e. risks that were not identified initially, but may become apparent over
the construction period. This is essential to cover the principle regarding plan
evolution and improvement. Discussion on what mechanisms will be in place to
incorporate newly identified risk into the ESCP will also be provided.
5.3.1 Response to Indicators of Significant Effects
In this section, discussion will be made as to how parties will respond to adverse
events and what measures will be in place if adverse effects are detected.
This section will include discussion that should linkages between the adverse effect
and on-site erosion and sediment control practices be found, then alterations to the
operational methods (including modifications to environmental control measures and
methodologies) will be investigated as a first order response.
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M E R O S I O N A N D S E D I M E N T C O N T R O L P L A N
5.4 Miscellaneous Activities
This purpose of this section will be to provide discussion of the effects caused by
miscellaneous activities. Discussion will need to be included how these miscellaneous
activities will be managed. For example, dust management from roads and any
further site specific monitoring will be discussed.
6.0 Specific Erosion and Sediment Control Methodology
for Defined Areas
This section will provide the detailed methodology regarding the erosion and sediment
control methods to be implemented in the area of works under consideration.
DR
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Summary information regarding the devices within each phase of development will be
provided. Information such as; catchment area draining to the device,
pond/channel/bund volume, (forebay volume), the number of decants, side slopes,
and associated drawing references, will be provided.
6.1 Development Area 1
6.2 Development Area 2
6.3 Development Area 3
6.4 Development Area 4
6.5 Development Area 5
6.6 Development Area 6
7.0 Activity Details and Methodologies
This section will provide detailed information for the more specific ‘higher risk‘
activities within the project. For each of the below, discussion will be provided
regarding the activity, and how erosion and sediment control will be undertaken for
these areas.
The following sections provide some of the potential ‘higher risk’ activities that will be
discussed.
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M E R O S I O N A N D S E D I M E N T C O N T R O L P L A N
7.1 Roads in steep topography
7.2 Concrete Batching Plants
7.3 Stream Realignments and Rehabilitation
7.4 Quarries
7.5 Culvert Installation
7.6 Bridge Works
8.0 Planning Considerations
This section is set to link back to the earlier Section 3 where relevant statutory
documents were identified that are associated with this Plan. This section will
therefore discuss the assessment whether the proposed ESCP meets these statutory
provisions within the identified documents.
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The purpose of this section is to demonstrate to stakeholders that the ESCP is
satisfactory and meets the relevant statutory documents.
8.1 Assessment against the Statutory Provisions
Commentary for each of the above described assessments will be placed here.
9.0 Conclusions
A conclusion statement will be included.
10.0Key References
List of references used in the plan.
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M E R O S I O N A N D S E D I M E N T C O N T R O L P L A N
Appendices
Appendix A - Area Overview Plan
This appendix will provide graphics showing an overview of the project, contour
information, and where erosion and sediment control devices will be implemented.
Appendix B - USLE
This appendix will summarise the results of the USLE and risk assessment for the areabeing considered.
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Appendix C - Erosion and Sediment Control Design Drawings
This appendix will provide the Erosion and Sediment Control Plans and detailed design
drawings for the proposed devices.
Appendix D – Sizing Calculations
Any technical details in regards to of any devices or diversion channels that are
required within the project will be provided.
Appendix E - Chemical Treatment Report
If flocculation ponds are to be implemented, a chemical treatment plan will be
included. The chemical treatment plan provides information regarding the PAC dosing
strategy for the specific soils within the project site.
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Draft Environmental Management PlanCastle Hill Wind Farm
Appendix G: Drainage Management Plan DMP)
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DR
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Castle Hill Wind Farm
Drainage Management Plan
• Prepared for
Genesis Energy
• July 2010
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M D R A I N A G E M A N A G E M E N T P L A N
Quality Control Sheet
T I T L E Castle Hill Wind Farm Drainage Management Plan
C L I E N T Genesis Energy
V E R S I O N Draft
D A T E July 2011
J O B R E F E R E N C E A02337300
S O U R C E F I L E ( S )
A02337R006 DMP v1 DR
A FT
Prepared by
S I G N A T U R E
H a y d e n E a s t o n
Directed, reviewed and approved by
S I G N A T U R E
A l a n P a t t l e
Limitations:
The report has been prepared for [Click here to type CLIENT], according to their instructions,
for the par ti cular objectives descr ibed in the report. The information contained in the
report should not be used by anyone else or for any other purposes.
A023373 00R006 Dra inage M angement Plan Draft v2 i
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M D R A I N A G E M A N A G E M E N T P L A N
Executive Summary
An Executive Summary discuss ing the Drainage Management Plan will be provided.
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M D R A I N A G E M A N A G E M E N T P L A N
Table of Contents
S E C T I O N P A G E
Executive Summary ii
1.0 Introduction 1
1.1 Purpose 1
1.2 Objectives 1
2.0 Design Philosophy 2
3.0 Drainage Effects 3
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3.1 Water Quantity 3
3.2 Water Quality 3
3.3 Ecology 3
4.0 Design and construction of the drainage network 3
4.1 Culverts 4
4.2 Bridges 4
4.3 Long term channels 4
4.4 Overland Flow Paths 4
4.5 Secondary Overland Flow Paths 44.6 Water Quality Devices 4
5.0 Operation and Maintenance Procedures 4
5.1 Culverts 4
5.2 Bridges 4
5.3 Long term channels 4
5.4 Overland Flow Paths 4
5.5 Secondary Overland Flow Paths 4
5.6 Water Quality Devices 4
5.7 Response to Operational Drainage Problems 4
5.8 Training 5
6.0 Plan Review and Evaluation 5
7.0 References 5
Tables of Tables
Table 1: Recommended Drainage Design Criteria 2
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M D R A I N A G E M A N A G E M E N T P L A N
Appendices
Appendix A: Site plan map that illustrates the location of the devices and structures of the
drainage network.
Appendix B: Calculations, Detailed drawings, and maintenance inspection check sheets for
culverts
Appendix C: Calculations, Detailed drawings, and maintenance inspection check sheets for
bridges
Appendix D: Calculations, Detailed drawings, and maintenance inspection check sheets for
long term channels
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Appendix E: Calculations, Detailed drawings, and maintenance inspection check sheets for
over land flow paths
Appendix F: Calculations, Detailed drawings, and maintenance inspection check sheets for
secondary overland flow paths
Appendix G: Calculations, Detailed drawings, and maintenance inspection check sheets for
water quality devices
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P A T T L E D E L A M O R E P A R T N E R S L T D
C A S T L E H I L L W I N D F A R M D R A I N A G E M A N A G E M E N T P L A N
1.0 Introduction
This section will provide a high level discussion summarising the purpose of the
Drainage Management Plan (DMP) and how the DMP plays a part in the wider suite of
management plans for the Castle Hill Wind Farm (CHWF) Project.
The introduction will include discussion of the process to be followed in development
and implementation of the DMP:
• that Genesis Energy’s consultants will prepare the drainage detailed design
plans for each individual device or structure as per the direction provided by
this DMP and the Consent.
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• that these detailed design plans will undergo a consultation/review process
with Council.
• that once agreed and consented, the drainage network will then be
constructed.
• that Genesis Energy will be responsible for managing the operation and
maintenance requirements of the drainage network as directed by this DMP.
1.1 Purpose
The purpose of the DMP is to outline the proposed designs for proposed permanent(operational phase) drainage devices and structures for the Castle Hill Wind Farm
(CHWF) project. This includes, but is not limited to:
• Outlining the proposed infrastructure that will used to manage stormwater
effects (flooding and water quality management) during the operational phase
of the CHWF Project.
• Provide details as to how the proposed infrastructure will be designed,
operated, maintained, and monitored to ensure that stormwater effects from
the project are appropriately managed.
The DMP may be developed progressively in line with future construction phasing ofthe CHWF.
1.2 Objectives
The following objectives will be used in the development of the DMP.
• The use, as a minimum, of the methods promulgated through the Hydrology
Effects Assessment (PDP, 2011) and any outcomes defined through the
required statutory process.
• Demonstrate how the designs and methods promulgated are the Best
Practicable Option and meet the design requirements.
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• Review of any monitoring data and operational lessons from implementationof previous parts of the DMP on site to inform the choice of devices used in
different situations.
2.0 Design Philosophy
This section identifies the key drainage requirements set out in the Hydrology Effects
Assessment and wi ll set out the methodology used to generate the proposed drainage
works for the Project.
Table 1 below, provides the recommended design criteria for the project.
In addition to the recommended design criteria, linkage to the statutory requirementsof the Resource Management Act 1991, will also be made. Here, as a minimum, the
following objectives can be included: DR
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• To minimise any potential adverse environmental effects on water quality and
aquatic ecosystems from the proposed stormwater discharge from the Project.
• To minimise any potential adverse environmental effects from flooding or
erosion (inclusive of land or watercourses) from the proposed stormwater
discharge of the Project.
Any specific consent conditions relating to drainage wil l be identified here.
Table 1: Recommended Drainage Design Criteria
Infrastructure Design Criteria
All culverts shal l be designed to pass the peak flow during the 20 year ARI event. The bank full flow shal l be passed without becoming theculvert becoming inlet controlled.
All culvert designs for watercourse crossings shall allow for the passageof aquatic fauna (e.g. fish and invertebrates) and fauna (e.g. waterdispersed seeds and pollen).
Culverts
Culvert structures shall be designed with good practice with respect to;
erosion and sedimentation around outlets, blockage of inlets, provisionof secondary flow paths or secondary inlets, flood hazard, and operationand maintenance requirements.
Primary piped systems shall be designed to convey the peak flow fromthe 20 year ARI event.
Site Drainage
Secondary overland flow paths shall be designed to convey the peak flowfrom the 100 year ARI event based on the assumption that the primarypiped system is not operating (i.e. due to blockage, damage etc).
All new industrial floors and sub-station yards shall have a minimumfreeboard of 1.0m above the 100 year ARI event water level (measuredto the underside of the floor structure or yard finished level).
Flooding
Works shall not exacerbate flooding of existing buildings.
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Table 1: Recommended Drainage Design Criteria
Infrastructure Design Criteria
Climate Change Climate change shall be factored into the estimation of peak flows fromdesign events.
3.0 Drainage Effects
The following section will provide discussion and analysis of the surface water effects
the DMP will manage or mitigate. This can be broken down into the following
subheadings.
3.1 Water Quantity
Discussion of the effects of flooding within the project location will be provided.
3.2 Water Quality
Discussion of the effects of contaminant management/mitigation within the project
location will be provided.
3.3 Ecology
Discussion of how that DMP will be used to manage ecological function within the
project location will be provided.
The above discussions will include the need for drainage networks to be cognisant of
aquatic ecological functions. An example of this is to ensure the design of drainage
networks that enable fish passage, stormwater outfall protection etc.
4.0 Design and construction of the drainage network
This section is a significant component of the plan.
This section will firstly state that the design of these drainage devices is aligned with
the design philosophy that was discussed earlier in section 2, and be designed to
achieve management or mitigation of the effects discussed in section 3.
Following this, details of the design and any specific construction requirements for the
relevant type of drainage device or structure will be provided.
In this section, the design discussion is not for each individual device, but should
describe the methodology that was undertaken to design/size the device type.
Similarly, the construction discussion will summarise the fundamental construction
considerations that need to be addressed when constructing each device type within
the project.
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Calculations and detailed design plans for each individual device or structure will beprovided as appendices. Appendices will be titled for each device/structure type.
4.1 Culverts
4.2 Bridges
4.3 Long term channels
4.4 Overland Flow Paths
4.5 Secondary Overland Flow Paths
4.6 Water Quality Devices
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5.0 Operation and Maintenance Procedures
This is another significant component of the plan. This section will provide detailed
discussion of how the drainage infrastructure will be operated and maintained over its
lifecycle.
Details regarding inspection frequencies will be provided. Maintenance frequencies will
include scheduled or routine maintenance procedures and also major or reactive
maintenance procedures.
A l ist of the people with defined roles and responsibili ties for operation andmaintenance will be provided and who is going to be people involved to ensure that
the DMP is effectively implemented, monitored and when appropriate modified to
ensure best practice operation and maintenance methods are maintained.
5.1 Culverts
5.2 Bridges
5.3 Long term channels
5.4 Overland Flow Paths
5.5 Secondary Overland Flow Paths
5.6 Water Quality Devices
In the previously discussed appendices, where appropriate, maintenance inspection
check sheets for each device/structure type will be provided.
5.7 Response to Operational Drainage Problems
This section will specifically discuss how operational problems relating to the drainage
network will be mitigated. Here, the strong linkages to the spill response plan and
also the erosion and sediment control plan will be discussed. A listing of key contacts
from outside the operation and maintenance team who can be contacted regarding
significant issues will also be provided.
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5.8 Training
This section will outline any training that may be required to ensure that the operation
and maintenance requirements of the DMP are achieved.
6.0 Plan Review and Evaluation
This section will set out how the DMP will be monitored, evaluated, and where
appropriately reviewed and modified. This section would have reference back to
Section 3, where the objectives identified there will be used to determine whether the
DMP is being effective or if modification is required. The section will discuss the
frequency this occurs and what procedures will be undertaken.
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7.0 References
Any references ci ted within the plan are to be populated here.
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Appendix H: Quarry Management Plan QMP)
Purpose
To provide for effective environmental management of all activities associated with the
establishment and operation of quarries.
Objectives
To identify measures and methods to be implemented to avoid or minimise environmental
effects appropriate for each quarry used for construction of the CHWF.
Proposed Content
• Detailed design drawings
• Discussion of impacts on stock and drinking water
• Construction/establishment methodology, if not included in EMP
• Identification of those involved in preparing the SEMP
• Calculations for sizing of every sediment pond and culvert
• Actions proposed to minimise the discharges of sediment
• Actions taken in design to minimise extent and effects of earthworks
• A list of the key environmental considerations
• Work programme
• Plans showing all proposed works and sediment control measures
• Schedule of sediment control measures. The purpose of sediment control is to
minimise the amount of silt and clay that will be discharged onto land or into
natural watercourses. The schedule should include, but not be necessarily
limited to, descriptions of proposed bunds, sumps, diversion channels, storm
water treatment ponds, weirs, spillways and vegetated storm water disposal
strips.
• Schedule of contamination control measures. The purpose of contamination
control is to minimise the amount of contaminants that will be discharged onto
land, the air, or into natural watercourses.
• Schedule of hazardous substance control measures. The schedule shall
include, but not be necessarily limited to, control measures for storage of fuels
and oil.
• Schedule of dust control measures. The schedule shall include, but not be
necessarily limited to, descriptions of water spraying or water misting.
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• Procedures for water recycling. The hydraulic connections for water recycling
shall also be shown on the sediment control plan.
• Schedule of measures to control rock blasting, if rock blasting is considered
necessary.
• Revegetation schedule during, and on completion of, construction works
• Monitoring schedule. This shall include, but not be necessarily limited to, a
programme for monitoring storm water discharge for pH and suspended
sediment.
• Contact details for Contractors and relevant Genesis Staff
It is anticipated that many (or potentially all) of the concrete batching plants will be adjacent
to, or contained within a quarry. Where this is the case, then the environmental measures
taken in the quarry and concrete batching plant will be closely interlinked. In such
circumstances the QMP shall be prepared, and incorporate environmental measures for the
concrete batching plant.
Where a concrete batching plant is planned separate from a quarry, then a CBMP shall also
be prepared.
An indicative sketch layout of the quarry is provided below.
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Appendix I: Concrete Batching Plant Management Plan CBPMP)
Purpose
To provide for effective environmental management of all activities associated with the
concrete batching plant.
Objectives
To identify measures and methods to be implemented to avoid or minimise environmental
effects appropriate for each concrete batching plant used for construction of the CHWF.
Proposed Content
• Detailed design drawings
• Identification, consideration and protection of stock and drinking water supplies
• Construction/establishment methodology.
• Identification of roles and responsibilities
• Calculations for sizing of every sediment pond and culvert
• Actions to minimise the discharges of sediment
• Actions to minimise extent and effects of earthworks
• Key environmental considerations
• Work programme including program of actions to implement measures
• Plans showing all proposed works and sediment control measures
• Schedule of sediment control measures. The purpose of sediment control is to
minimise the amount of silt and clay that will be discharged onto land or into
natural watercourses. The schedule should include, but not be necessarily
limited to, descriptions of proposed bunds, sumps, diversion channels, storm
water treatment ponds, weirs, spillways and vegetated storm water disposal
strips.
• Schedule of contamination control measures. The purpose of contamination
control is to minimise the amount of contaminants, such as cement or by-
products of concrete batching that will be discharged onto land, the air, or into
natural watercourses. The schedule shall include, but not be necessarily limited
to, descriptions of the arrangement of cement delivery points, batching plant,
concrete loading areas, sludge drying and washing bays; storage of cement; the
proposed methods and extent of testing of concrete batching plant waste
sludge; and the proposed treatment of both contaminated and uncontaminated
concrete waste sludge.
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• Schedule of hazardous substance control measures. The schedule shall
include, but not be necessarily limited to, control measures for storage of
cement, cement admixtures, fuels and oil.
• Schedule of dust control measures. The schedule shall include, but not be
necessarily limited to, descriptions of water spraying or water misting.
• Dry cement or wet cement spillage procedures.
• Procedures for water recycling. The hydraulic connections for water recycling
shall also be shown on the sediment control plan.
• Revegetation schedule during, and on completion of, construction works
• Monitoring schedule. This shall include, but not be necessarily limited to, a
programme for monitoring storm water discharge for pH and suspended
sediment.• Contact details for Contractors and relevant Genesis Staff
It is anticipated that many (or potentially all) of the concrete batching plants will be adjacent
to, or contained within a quarry. Where this is the case, then the environmental measures
taken in the quarry and concrete batching plant will be closely interlinked. In such
circumstances a QMP shall be prepared, and incorporate environmental measures for the
concrete batching plant.
Where a concrete batching plant is planned separate from a quarry, then a CBPMP shall
also be prepared.
An indicative sketch layout of the concrete batching plant is provided below.
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Appendix J: Baseline Aquatic Monitoring Plan BAMP)
Purpose
To guide the collection of pre-construction information on water quality and aquatic
communities within the Castle Hill Wild Farm Site (CHWF) to ensure that standard
compliance can be adequately assessed during construction.
Objective
To provide the information needed for the development of compliance standards for water
quality and biological parameters to be included in the CHWF Construction Aquatic
Monitoring Plan (CAMP).
Proposed content
• A review of Council surface water quality and biological parameter standards to
identify those relevant to construction of the CHWF (e.g. current (July 2011)
Horizons and Greater Wellington Regional Council water quality standards are
listed in Tables 1 and 2, below).
• Determination of baseline monitoring required allowing assessment of
compliance with standards during construction. This may include a requirement
to collect information on flow rates or rainfall.• The selection of appropriate monitoring sites that are representative of the
receiving water and will allow compliance with standards to be assessed during
construction. This requires information on key construction locations (e.g.
access road routes, watercourse crossings, water intakes, turbine and
infrastructure locations, and spoil disposal sites) to enable sites to be chosen in
the most appropriate locations. Factors to consider in the selection of sites
include ease and safety of access, positioning in relation to Council defined
mixing zones downstream of discharges or instream works, and the inclusion of
unaffected upstream reference sites where possible. Consultation with the
relevant Council is recommended during this process.• A detailed method for the collection of any required baseline monitoring
information. Including the identification of suitably qualified personnel, a
timetable stating when sampling should begin and end and the timing and
frequency of sample collection, a list of parameters to be measured (e.g. pH,
temperature, dissolved oxygen, water clarity, QMCI, etc.), the method of
sample collection and processing to be used, and a format for the recording and
reporting of information.
• The requirement for the preparation of a report to be provided to the relevant
Council stating what water quality and biological parameter standards will be
included in the Construction Aquatic Monitoring Plan (CAMP) for assessment
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of compliance during construction and, where necessary, the baseline values
against which the standards are to be assessed.
•
Table 1 Horizons proposed One Plan water quality standards for Water Management Sub-zoneswithin the CHWF (Schedule D, One Plan).
Parameter Upper Tiraumea
Mana_7a)
Owahanga
Owha_1)
E. coli / 100ml The concentration of Escherichia colimust not exceed 260 per 100millilitres 1 November - 30 April(inclusive) when the river flow is at
or below the 50th flow exceedancepercentile.
The concentration of Escherichia colimust not exceed 550 per 100millilitres year round when the riverflow is at or below the 20th flowexceedance percentile.
The concentration of Escherichia colimust not exceed 260 per 100millilitres 1 November - 30 April(inclusive) when the river flow is at
or below the 50th flow exceedancepercentile.
The concentration of Escherichia colimust not exceed 550 per 100millilitres year round when the riverflow is at or below the 20th flowexceedance percentile.
pH The pH of the water must be withinthe range 7 to 8.5 unless naturallevels are already outside this range
The pH of the water must not be
changed by more than 0.5
The pH of the water must be withinthe range 7 to 8.5 unless naturallevels are already outside this range
The pH of the water must not be
changed by more than 0.5Temperature (oC) The temperature of the water must
not exceed 23 degrees Celsius
Shall not be changed by more than 3
The temperature of the water mustnot exceed 22 degrees Celsius
Shall not be changed by more than 3
Dissolved oxygen (%) The concentration of dissolvedoxygen (DO) must exceed 70% ofsaturation
The concentration of dissolvedoxygen (DO) must exceed 70% ofsaturation
sCBOD5 (g/m3) The monthly average five-daysfiltered/soluble carbonaceousbiochemical oxygen demand(sCBOD5) when the river flow is ator below the 20th flow exceedancepercentile must not exceed 2 gramsper cubic metre
The monthly average five-daysfiltered/soluble carbonaceousbiochemical oxygen demand(sCBOD5) when the river flow is ator below the 20th flow exceedancepercentile must not exceed 2 gramsper cubic metre
POM (g/m3) The average concentration ofparticulate organic matter when theriver flow is at or below the 50thflow exceedance percentile mustnot exceed 5 grams per cubic metre
The average concentration ofparticulate organic matter when theriver flow is at or below the 50thflow exceedance percentile mustnot exceed 5 grams per cubic metre
Periphyton Chl a(mg/m2)
Chl a less than or equal to 120mg/m2
Chl a less than or equal to 200mg/m2
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Parameter Upper Tiraumea
Mana_7a)
Owahanga
Owha_1)
Percentage cover The maximum cover of visible bedby periphyton as filamentous algaemore than 2 cm long must notexceed 30%
The maximum cover of visible riverbed by periphyton as diatoms andcyanobacteria more than 0.3cmthick must not exceed 60%
The maximum cover of visible bedby periphyton as filamentous algaemore than 2 cm long must notexceed 30%
The maximum cover of visible riverbed by periphyton as diatoms andcyanobacteria more than 0.3cmthick must not exceed 60%
DRP (g/m3) The annual average concentration ofdissolved reactive phosphorus(DRP) when the river flow is at orbelow the 20th flow exceedance
percentile must not exceed 0.010grams per cubic metre, unlessnatural levels already exceed thistarget.
The annual average concentration ofdissolved reactive phosphorus(DRP) when the river flow is at orbelow the 20th flow exceedance
percentile must not exceed 0.015grams per cubic metre, unlessnatural levels already exceed thistarget.
SIN5 (g/m3) The annual average concentration ofsoluble inorganic nitrogen (SIN)3when the river flow is at or belowthe 20th flow exceedance percentilemust not exceed 0.444 grams percubic metre, unless natural levelsalready exceed this target.
The annual average concentration ofsoluble inorganic nitrogen (SIN)3when the river flow is at or belowthe 20th flow exceedance percentilemust not exceed 0.167 grams percubic metre, unless natural levelsalready exceed this target.
MCI6
The macroinvertebrate communityindex must exceed 100, unlessnatural physical conditions arebeyond the scope of application ofthe MCI. In cases where the riverhabitat is suitable for the applicationof the soft-bottomed variant of theMCI (sb-MCI) the targets also apply.
The macroinvertebrate communityindex must exceed 100, unlessnatural physical conditions arebeyond the scope of application ofthe MCI. In cases where the riverhabitat is suitable for the applicationof the soft-bottomed variant of theMCI (sb-MCI) the targets also apply.
QMCI7 There must be no more than a 20%reduction in QuantitativeMacroinvertebrate Community Index(QMCI) score between
appropriately matched habitatsupstream and downstream ofdischarges to water
There must be no more than a 20%reduction in QuantitativeMacroinvertebrate Community Index(QMCI) score between
appropriately matched habitatsupstream and downstream ofdischarges to water
5 Soluble inorganic nitrogen (SIN) concentration is measured as the sum of nitrate nitrogen, nitrite nitrogen, and ammoniacal
nitrogen or the sum of total oxidised nitrogen and ammoniacal nitrogen. 6 The Macroinvertebrate Community Index (MCI) target applies only for State of the Environment monitoring purposes to
determine if the aquatic macroinvertebrate communities are adequate to provide for and maintain the values in each WMSZ. This target is not appropriate for monitoring the effect of activities such as discharges to water on macroinvertebrate
communities upstream and downstream of the activity.
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Parameter Upper Tiraumea
Mana_7a)
Owahanga
Owha_1)
Ammoniacal Nitrogen
8
(g/m3) The average concentration ofammoniacal nitrogen must notexceed 0.400 grams per cubicmetre. The maximum concentrationof ammoniacal nitrogen must notexceed 2.1 grams per cubic metre.
The average concentration ofammoniacal nitrogen must notexceed 0.400 grams per cubicmetre. The maximum concentrationof ammoniacal nitrogen must notexceed 2.1 grams per cubic metre.
Toxicants For toxicants not otherwise definedin these targets, the concentrationof toxicants in the water must notexceed the trigger values forfreshwater defined in the 2000
ANZECC guidelines Table 3.4.1 for
the level of protection of 95% ofspecies. For metals the trigger valuemust be adjusted for hardness andapply to the dissolved fraction asdirected in the table.
For toxicants not otherwise definedin these targets, the concentrationof toxicants in the water must notexceed the trigger values forfreshwater defined in the 2000
ANZECC guidelines Table 3.4.1 for
the level of protection of 95% ofspecies. For metals the trigger valuemust be adjusted for hardness andapply to the dissolved fraction asdirected in the table.
Visual clarity (m) The visual clarity of the watermeasured as the horizontal sightingrange of a black disc must not bereduced by more than 30%.
The visual clarity of the watermeasured as the horizontal sighting
range of a black disc must equal orexceed 2 metres when the river is ator below the 50th flow exceedancepercentile.
The visual clarity of the watermeasured as the horizontal sightingrange of a black disc must not bereduced by more than 30%.
The visual clarity of the watermeasured as the horizontal sighting
range of a black disc must equal orexceed 1.6 metres when the river isat or below the 50th flowexceedance percentile.
7 This target is only relevant for measuring the percentage of change in Quantitative Macroinvertebrate Community Index
(QMCI) between appropriately matched habitats upstream and downstream of activities, such as discharges to water, for the
purposes of measuring the effect of discharges on aquatic macroinvertebrate communities. It is not an appropriate target for
the measurement of the general state of macroinvertebrate communities in each Water Management Sub-zone. 8 Ammoniacal nitrogen is a component of SIN. SIN target should also be considered when assessing ammoniacal nitrogen
concentrations against the targets.
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Table 2 Greater Wellington Regional Council physico-chemical and microbiological variables andguideline values (Milne and Perrie 20069).
Parameter Guideline value Reference
Temperature (oC) <20 -
Dissolved oxygen (%) ≥80 RMA 1991 Third Schedule
pH 6.5-9.0 ANZECC (1992)
Conductivity (S /cm) - -
Visual clarity (m) ≥1.6 MfE (1994)
Turbidity (NTU) ≤5.6 ANZECC & ARMCANZ (2000)
Total organic carbon (mg/L) - -
Nitrite-Nitrate Nitrogen (mg/L) ≤0.444 ANZECC & ARMCANZ (2000)
Ammoniacal Nitrogen (mg/L) ≤0.021 ANZECC & ARMCANZ (2000)
Total Nitrogen (mg/L) ≤0.614 ANZECC & ARMCANZ (2000)
Dissolved Reactive Phosphorus (mg/L) ≤0.010 ANZECC & ARMCANZ (2000)
Total Phosphorus (mg/L) ≤0.033 ANZECC & ARMCANZ (2000)
Faecal coliforms (cfu/100mL) ≤0.100 ANZECC & ARMCANZ (2000)
9Milne, J. and Perrie, A. 2006. Freshwater quality monitoring technical report. Greater Wellington Regional Council, February
2006.
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Appendix K: Construction Aquatic Monitoring Plan CAMP)
Purpose
To guide the collection of information on water quality and aquatic communities within the
Site during construction of the CHWF and consequential reporting and contingency action.
Objectives
To provide the information needed to assess compliance with water quality and biological
parameter standards during construction of the CHWF.
Proposed Content
• A detailed method for the collection of the information required to assess
compliance with relevant water quality and biological parameter standards in
relation to CHWF construction activities (based on the BAMP).
• A requirement to assess compliance with standards during the construction
period (at timeframes appropriate to the standard being assessed), to identify
any instances of non-compliance, and determine if they are as a consequence
of construction activities (this may require additional monitoring).
• A requirement that information on standard compliance monitoring is to be
provided to the relevant Council. Including a record of any instances whenmonitoring was not possible and an explanation as to why.
• A list of contingency measures that are to be implemented to achieve
compliance if non-compliance with the standards occurs that is attributable to
construction activities.
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Appendix L: Biodiversity Management – Revegetation Plan
Purpose
To ensure rapid reinstatement of vegetation cover following completing earthworks.
Objectives
To ensure that vegetation cover (or another protective measure) is established within 3-6
months of completion of site works.
Proposed Content
• Introduction.
• Approaches to be used for:
o Pasture
o Indigenous revegetation
o Steep cuttings
• Methods: Direct sowing of seed, planting, hydroseeding, others.
• Eco-sourcing of indigenous species/locally-sourced species that occur naturally
in the Eastern Wairarapa and Puketoi Ecological Districts, on similar landforms,and at similar altitudes.
• Planting guidelines, including timing, numbers and densities of species, infilling,
nurse crops, and species that require initial shelter.
• Maintenance of plantings.
• Implementation plan.
• Stock exclusion.
• Management of pest browsers.
• Monitoring.
• Contingency strategies.
• Reporting.
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Appendix M: Biodiversity Management – Weed Hygiene and
Surveillance Plan
Purpose
To ensure that weed management at the CHWF is undertaken to a high standard.
Objective
To avoid the establishment of new weeds at the Site and to avoid expansion of existing
weeds.
Proposed Content
• Introduction.
• Statutory framework (RPMS).
• Cleaning of machinery.
• Aggregate sources/management.
• Weed monitoring programme.
• Weed control programme.
• Roles and responsibilities.
• Reporting requirements.
• Term of plan.
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Appendix N: Construction Noise Management Plan CNMP)
Purpose
The purpose of this Construction Noise Management Plan (CNMP) is to describe the
means by which noise effects arising from the construction of the Castle Hill Wind Farm
(CHWF) will be avoided, mitigated or remedied, to describe the means of monitoring
compliance with noise conditions, and to describe a mechanism by which any noise
complaints related to Construction will be received and addressed.
The intended outcome is that the CHWF can be constructed without causing unreasonable
noise effects at dwellings surrounding the project.
Objectives
The objectives of this CNMP are as follows:
• Describe the noise limits which apply to noise sensitive locations near the
project.
• Describe the activities which will produce noise at dwellings, and describe the
likely noise levels and the durations and times for which this will occur
• Describe noise mitigations which will be implemented to ensure that noise
received at dwellings is reasonable, and controlled to the lowest levelpracticable.
• Describe any limits on hours of operation or on particular activities which are
necessary to maintain appropriate protection of dwellings from noise.
• Describe the method of monitoring noise levels to ensure that noise limits are
met.
• Designate persons responsible for liaising with the community, both to inform
the community of construction activities and to receive and respond to any
complaints.
• Describe a procedure for response to complaints.
• Describe the responsibilities of contractors in complying with noise limits and
maintaining community goodwill throughout the construction period.
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Draft Environmental Management PlanCastle Hill Wind Farm
Proposed Content
Noise Limits
Limits which apply to this project are:
New Zealand Standard 6803:1999 Recommended Upper Limits (dBA) for Levels of
Construction Work Noise Received in Dwellings in Rural Areas—Long Term Project
Duration
Period Noise Level dBA)
Weekdays Saturdays
Sundays and Public
Holidays
Leq Lmax Leq Lmax Leq Lmax
0630-0730 55 75 45 75 45 75
0730-1800 70 85 70 85 55 85
1800-2000 65 80 45 75 45 75
2000-0630 45 75 45 75 45 75
Noise Producing Activities
• External Road upgrades
o At dwellings near the xx Site Access point, upgrades to xx road will
produce noise levels of up to xx decibels for xx days while major
earthworks are undertaken, with ongoing roadworks will produce xx
decibels for approximately xx week
• Quarrying
• Construction of Internal Roads
• Construction of Turbine Foundations and Platforms
• Construction traffic noise on Internal Roads
• Delivery of turbine components
• Construction of substations
• Construction of Internal Transmission Lines
• Any others which may apply at particular stages of construction
Noise Mitigations Examples)
• Blasting (carried out in accordance with AS2187:Part 2) and rock breaking will
be completed during daylight hours only, and completed in as short a time aspracticable.
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• Works which occur within 50 metres of dwellings will be coordinated with
occupants to ensure special needs are met.
• All machinery will be well maintained with appropriate engine silencers,
machinery tracks will be kept wet where practicable.
• All personnel will be advised that unnecessary shouting or other noise which is
not required to maintain the safety of the site should be avoided in the vicinity of
dwellings.
• Speed limits enforced etc.
• Music will not be played outside of vehicles.
• Others as necessary.
Restrictions on Activities
• Construction works within xx metres of dwellings will be restricted to daytime
hours.
• Others as necessary.
Monitoring Methods
• Stationary activities such as concrete batching and material extraction shall be
measured within x days of the establishment of the infrastructure for these
activities and it shall be demonstrated to Councils that noise limits at dwellings
are met.
• Transient activities such as road works will generally comply with construction
noise rules when carried out within the Site. However when such works are
carried out within xxx metres of dwellings, spot checks of sound levels shall be
taken to allow the community to be advised of likely noise impacts, and
appropriate mitigation options be discussed.
Liaison
• Designate persons responsible for liaising with the community, both to inform
the community of construction activities and to receive and respond to any
complaints.
• The Community Liaison Manager is [xxx] and can be contacted at all times
throughout the construction period on [02x-xxx-xxxx].
• Communities will be informed of construction schedules and activities at least 3
months prior to commencement, and shall be informed by monthly letter drop
and community notice board etc of progress and any changes to the program.
•Specific dwellings which may experience particular noise impacts will becontacted directly, and noise mitigation options discussed.
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Complaints Procedure
• Any noise complaints may be directed to the Community Liaison Manager.
• Complaints shall be responded to within 24 hours. The response shall include
an investigation of the noise produced at the time of the complaint, and if
compliance with consent conditions is uncertain, shall be accompanied by a
noise assessment to determine what, if any, additional mitigations should be
implemented.
• The result of the noise assessment shall be reported back to the complainant
within xx hours of a determination of the response.
Responsibilities of Contractors
• Contractors shall be required to comply with the Consent Conditions at all
times, and bear the primary responsibility for ensuring that noise limits are met
and noise is controlled to the lowest practicable level.
• Noise mitigation measures (including methods, equipment, maintenance,
scheduling, practices, etc) shall be made part of the tendering process, and
shall form a part of the contractor’s performance requirements.
• Contractors are also responsible for assisting Genesis Energy in maintaining
community goodwill throughout the project, and shall proactively endeavour toensure that the community is informed and respected throughout the
construction process.
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Appendix O: Construction Traffic Management Framework CTMF)
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Genesis Energy
Castle Hill Wind Farm
Construction Traffic Management
Framework
PO Box1261, Level 6, 11 Garden PlHamilton 3240P: +64 78395500www.tdg.co.nzNew Zealand
10311-8ta_version 8 review_v4 final.docx
July 2011
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Genesis Energy
Castle Hill Wind Farm
Construction Traffic ManagementFramework
Quality Assurance Statement
Prepared by:
Mark Apeldoorn
Director
Reviewed by:
Anna Wilkins
Principal Transportation Engineer
Approved for Issue by:
Mark Apeldoorn
Director
Status: Final
Date: July 2011
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Table of Contents
1. Introduction .............................................................................................................................1
2.
Purpose and Objectives..........................................................................................................1
3.
CTMP Development Process..................................................................................................2
4. CTMP Content ........................................................................................................................3
4.1
Consent Conditions ...................................................................................................3
4.2
Construction Programme...........................................................................................3
4.3
Traffic Flows ..............................................................................................................3
4.4
Road Safety Assessment ..........................................................................................3
4.5
Wind Farm Access Points .........................................................................................3
4.6
Travel Routes ............................................................................................................3
4.7
Road Closures, Events and Cyclic Activities .............................................................4
4.8
Travel Plan ................................................................................................................4
4.9
Driver Protocols .........................................................................................................4
4.10
Contractor Parking.....................................................................................................4
4.11
Oversize Loads..........................................................................................................4
4.12
Passenger Transport .................................................................................................5
4.13
Road Improvements ..................................................................................................5
4.14 Pavement Maintenance.............................................................................................6
4.15
Monitoring..................................................................................................................6
4.16
Incident Reporting .....................................................................................................6
4.17 Emergency Services..................................................................................................6
4.18
Contingency Planning................................................................................................6
4.19
Temporary Traffic Management Planning .................................................................7
4.20 Communication Protocols........................................................................................14
5.
Specific Standards ................................................................................................................14
5.1
Traffic Flows ............................................................................................................14
5.2
Wind Farm Access Points .......................................................................................14
5.3
Travel Routes ..........................................................................................................15
5.4
Driver Protocols .......................................................................................................15
5.5
Oversize Transporters .............................................................................................15
5.6
Road Improvements ................................................................................................16
5.7
Monitoring................................................................................................................17
5.8
Incident Reporting ...................................................................................................17
5.9
Communications......................................................................................................18
6.
Presentation..........................................................................................................................19
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1. Introduction
This document is the Construction Traffic Management Framework for the Castle Hill Wind Farm.
It has been prepared to set out the purpose, objectives and specific standards to be applied when
preparing the Construction Traffic Management Plan (CTMP) at the detailed design stage.
Some aspects of the construction methodology are to be fixed as specific standards in this
Framework which must be included in the CTMP under the conditions of the resource consent for
the CHWF. Other aspects, such as timing and staging (which influence traffic volumes), are to be
developed at the detailed design stage when contractors are involved. It is not practical to
prepare these details at this stage, and the approach of preparing the full CTMP at the detailed
design stage will enable contractors to bring innovation where appropriate, enabling a
substantially better outcome for other road users, the efficiency of construction, or both.
The CTMP is to be prepared by a Chartered Professional Engineer with specialist skills in Traffic
Engineering and Transportation Planning, appointed by the consent holder. Preparation of theCTMP will involve input from the principal civil engineering contractor, the turbine transport
contractor, Tararua and Masterton District Councils, residents on the transport route who wish to
be involved, emergency services and local transport operators (such as the school bus operator
and livestock transporters). It will be required to meet the purpose, objectives, and specific
standards set out in this Framework. The Plan is to be submitted to the Councils to be assessed
and certified as meeting the requirements of the Framework.
2. Purpose and Objectives
2.1 Purpose
The purpose of the CTMP is to set out in detail the manner in which construction traffic will be
managed to ensure the safe and efficient performance of the road network, to minimise adverse
effects on the existing community arising from construction traffic, and to provide the community
with information about Genesis Energy’s traffic arrangements.
2.2 Objectives
The objectives of the CTMP are to:
(i) ensure the specific requirements of Acts, Regulations, Bylaws and consent
conditions in relation to construction traffic, are adhered to;
(ii) encourage a culture of road safety awareness and commitment;
(iii) ensure best practice in transport safety;
(iv) ensure emergency services are not obstructed;
(v) minimise disruption to the community, farming operations and rural services;
(vi) minimise traffic generation; and
(vii) encourage the participation of the community in maximising safety and minimising
disruption.
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These objectives will be achieved by the methods set out in the CTMP.
3. CTMP Development Process
Preparation of the CTMP will be facilitated by a Chartered Professional Engineer, specialising in
Traffic Engineering and Transportation Planning, appointed by the consent holder. Its
preparation is to begin approximately four months before construction.
In preparing a first draft CTMP, the Chartered Professional Engineer shall:
(i) review this Construction Traffic Management Framework;
(ii) review the CHWF Transportation Assessment and relevant evidence;
(iii) review the approved consent conditions;
(iv) liaise with the consent holder, the lead civil engineer, the principal civils
contractor, the turbine transport contractor, Tararua and Masterton DistrictCouncils, residents on the transport route who wish to be involved, NZ Police, NZ
Fire Service, St Johns Ambulance, the school bus operator, rural transport
operators (identified by residents), and vets.
Liaison may involve such meetings and conversations as are appropriate to ensure effective
consultation with the parties listed above, and others considered appropriate by the Engineer.
The first draft will be circulated to the above parties for comments and suggestions. A period of
at least four weeks will be allowed for comments and suggestions. These will be evaluated by
the Chartered Professional Engineer and incorporated into the completed CTMP, as the Engineer
determines appropriate.
The completed CTMP will be submitted to the Tararua and Masterton District Councils at least
four weeks before construction of the CHWF begins along with a report outlining the comments
and suggestions made on the first draft, and the extent to which they have been included. The
Tararua and Masterton District Councils will assess the completed CTMP with a view to certifying
it as meeting the purpose, objectives, and specific standards set out in this Framework.
Any changes required to achieve that certification will be discussed between the Councils and the
Engineer and made, enabling the final CTMP to be distributed to:
(i) the consulted parties;
(ii) rural transport operators and rural service providers who regularly use the primaryaccess roads; and
(iii) made available to residents and others who have an interest via electronic media.
Updates will likely be required from time to time as a result of project changes or issues arising,
which may be identified by the consent holder, its contractors, Tararua or Masterton District
Councils, or to address matters relating to residents or other road users. Suggested changes to
the CTMP or issues arising will be referred to the Chartered Professional Engineer who will
consider the matter and make a recommendation to the Tararua and Masterton District Councils.
If the Councils certify the recommended changes to the CTMP, revised copies will be made
available via digital media for the above referenced parties.
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4. CTMP Content
The CTMP is to include, as a minimum, the following content.
4.1 Consent ConditionsThe CTMP shall record the full set of consent conditions relating to traffic and transportation
conditions in this section. The following specific actions and responses shall be developed
having regard for the consent condition requirements and the bases on which the Transportation
Effects Assessment has been made.
4.2 Construction Programme
The CTMP is to present the confirmed construction programme, setting out the start and end
dates for the key traffic generating activities. From this, all parties will be able to understand the
type of activities that are occurring and therefore the types of vehicles to expect on the roadnetwork.
4.3 Traffic Flows
Based on the programme and construction methodology, the CTMP will set out the expected
profile of average daily truck and light vehicle movements from month to month during
construction. It will also address the expected spread of traffic throughout the day, considering
the arrangements for transporting materials and people to the Site, including the geographic
spread of sources and accommodation.
4.4 Road Safety Assessment
An assessment of the road safety record as contained on the Land Transport New Zealand Crash
Analysis Database for the most recent five year period shall be provided, and commentary given
on any particular road safety matters that warrant consideration. Where relevant, this may be
taken from the Transportation Assessment Report and updated.
A visual assessment shall also be made of the Local Roading environment to determine the
nature of road safety. Any potential notable risk areas shall be identified and recorded in this
report along with the mitigation planning to be implemented.
4.5 Wind Farm Access Points
The CTMP will provide details of the individual points where the Site will be accessed from the
public road network including how security will be managed.
4.6 Travel Routes
The CTMP will map the travel route(s) to be used by construction vehicles and for oversize loads
travelling from the receiving Port.
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4.7 Road Closures, Events and Cyclic Activities
The CTMP shall be prepared in consultation with event organisers and Councils. It shall have
regard for but not be limited to considering the following:
(i) car rally and/or cycling events;
(ii) other activities and works within the road environment that may occur from time to
time;
(iii) the movement of stock along or across the roadways;
(iv) ram sales and mustering which typically occurs in November;
(v) lamb sales which typically occur around February; and
(vi) fertilising activities in autumn and spring. Of note in this regard is the Daggs Road
access to the airstrip, which appears to service up to about seven farms.
4.8 Travel Plan
A Travel Plan shall be developed to minimise contractor generated traffic and construction traffic
movements to and from the Site. This shall consider for example alternative travel modes, off-set
travel times, ride sharing and opportunities for back loading of construction vehicles.
4.9 Driver Protocols
In addition to the driving standards imposed by law, all drivers involved in the project will besubject to additional protocols when travelling along the district roads. The objective of these
protocols will be to ensure the safe operation of roads and to minimise existing user delay during
construction.
The CTMP will set out these protocols along with the monitoring and disciplinary procedures to be
followed in the event of any breaches.
4.10 Contractor Parking
Contractor parking is to be planned to be wholly accommodated On-Site and clear of the public
roads. The location, quantity and provision of parking is to be specified in the CTMP todemonstrate the suitable provision and location of the activity.
4.11 Oversize Loads
The CTMP will address the movement of Over-weight and Over-dimension loads. While this
work will be undertaken by specialist contractors operating under permits specific to the project,
the details will be repeated in the CTMP to inform interested parties in understanding what to
expect.
This part of the CTMP is to include:
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(i) the over-size transport route(s);
(ii) times and locations when movement is prohibited, and an indication of the times
of day when deliveries are anticipated;
(iii) procedures for working around stock movements;
(iv) operating restrictions for bridge crossings;
(v) piloting procedures;
(vi) contingency plans for breakdowns, bridge or pavement failures, severe weather
conditions, accidents, or roadworks;
(vii) provisions for co-ordination with other parties, including emergency services; and
(viii) provisions for communication with school bus drivers.
Copies of the permits themselves are to be appended to the CTMP.
4.12 Passenger Transport
Specific management plans shall be prepared to show the planning provisions for reliable travel
time, movement and operation of passenger transport, including stopping areas.
This is to include scheduled passenger services, scheduled community or health services (the
Local or Regional Councils may be able to advise contacts or provisions in this regard) and any
school services that have the potential to be affected.
4.13 Road Improvements
An appropriately detailed schedule describing the road improvement works and the temporary
traffic management provisions to be put in place will be separately submitted to Council for
approval under the Local Government Act. This schedule will include road improvements to
facilitate movement of oversize loads, pavement upgrades, pavement maintenance obligations,
and the provision of traffic management facilities at regularly used stock crossings along the
transport route.
A summary of those plans will be contained in the CTMP, including:
(i) the physical extent and nature of the works;
(ii) a schedule of start and finish dates;
(iii) details for sourcing materials and disposal of spoil;
(iv) provisions for advisory signage;
(v) arrangements for temporary traffic management and supervision; and
(vi) contact telephone numbers.
Depending on the timing of these works, this component of the CTMP may be prepared and
circulated in advance of the rest.
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4.14 Pavement Maintenance
The CTMP will summarise the key aspects of regular pavement maintenance on roads identified
in the resource consent, including:
(i) service contract arrangements
(ii) triggers for intervention (eg: size of pothole);
(iii) intervention treatments (including materials specifications); and
(iv) response times.
The CTMP will also include requirements for monitoring the oversize vehicle route from SH2 to
the Site, during the turbine component delivery phase, to ensure any road damage is identified
and repaired.
4.15 Monitoring
The CTMP will provide a detailed schedule of the various elements of monitoring relating to public
roads and transport.
The schedule will also include the specific data to be measured, the method of monitoring, the
frequency with which monitoring will be undertaken, triggers for intervention, and the
corresponding response.
4.16 Incident Reporting
The CTMP will set out requirements and procedures for incident reporting.
4.17 Emergency Services
The plan shall set out emergency service planning provisions including those related to:
(i) Site access and operations;
(ii) local environment servicing and access;
(iii) strategic network continuity; and
(iv) communications provisions.
4.18 Contingency Planning
The provisioning for contingency shall be set out. It shall outline key risk areas, such as traffic
congestion, potential for storm damage in construction zones, vehicle crash instances (and
others) and describe what management / communication and planning provisions are to be
established to avoid / minimise or mitigate potential adverse situations.
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4.19 Temporary Traffic Management Planning
The planning requirements set out in COPTTM and provided for within the following pro-forma sheetsshall be completed.
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TrafficManagement Plan
Reference For Office Use Only
Organisation
Contractor Client
ContractName/Number
N/ARCA Consent Reference
Location
Road Name(s) Road Level SpeedLimit
From - To RP
Description of Activi ty
Work Programme
Proposed/Restricted Work
Hours
Traffic Details(Main Route)
AADT Peak Hour Flow
Active:
General Procedures
Proposed TrafficManagement
Method
Unattended:
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TrafficManagement Plan
Reference For Office Use OnlyNight:
Proposed SpeedRestrictions
Positive TrafficManagement
Measures
Lane Restrictions
Restricted Speed Minimum Lane Width
Delineation
Pedestrians
Cyclists
Contingency Plans
Public Notification
Personal Safety
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TrafficManagement Plan
Reference For Office Use Only
On-Site Monitoring
Other Information(eg. delay calcs, EED
issues, temporary speedissues, etc)
Layout Diagrams
EED Applicable? Y/N - YES Attached Y/N
Name (STMS).
Phone (24 hours)
Traffic Controllers
Name (TC)
Cert No:
Phone (24 hours)
TMP preparedaccurately torepresent Siteconditions andsubmitted by
Contractor/Applicant
Cert No:
Date
Requires Amendment
Engineer
Cert No:
Date
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TrafficManagement Plan
Reference For Office Use Only
This TMP is Approved on the Following Basis
1. To the best of the approving Engineer’s judgment this TMP conforms to the requirements of Transit New Zealand’sCode of Practice for Temporary Traffic Management.
2. This plan is approved on the basis that the activity, the location and the road environment have been correctly
represented by the applicant. Any inaccuracy in the portrayal of this information is the responsibility of the applicant.The STMS for the activity is reminded that it is the STMS’s duty to “Postpone, cancel or modify operations due to theadverse traffic, weather or other conditions that affect the safety of this Site” (reference A4.5).
Approving Engineer: .................... ....................... ...................... ....................... .................... ...................... ...................... ...(Name and Certificate Number)
...........................................................................................................................................................(Signature)
Acceptance by:
TMC: .................................................................
Cert No: .................................................................
Signature: .................................................................
Date: ..............................................
Acceptance by:
.................................................................................................................................. (Signature)
.........................................................................................................................................(Name)
........................................................................................................................................... (Title)
...........................................................................................................................................(Date)
Acceptance by:
...................................................................................................................................(Signature)
.........................................................................................................................................(Name)
........................................................................................................................................... (Title)
...........................................................................................................................................(Date)
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TrafficManagement Plan
Reference For Office Use Only
Acceptance by: Appl icant
...................................................................................................................................(Signature)
.........................................................................................................................................(Name)
........................................................................................................................................... (Title)
...........................................................................................................................................(Date)
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4.19.1 Temporary Speed Restrictions
Application for temporary speed restrictions shall be made on the following form (also included in
COPTTM).
APPLICATION FOR TEMPORARY SPEED RESTRICTION
Pursuant to Section 23(1) of the Traffic Regulations …………….
Sought by (Contractor)
For (Client)
Contract No. (if appropriate)
Road Name / State Highway
Situated at
From Route Position
From the date of
To the date of
Between the hours of:
Approval granted by: Name: ………………………………………………………
Position: ……………………………………………………
Signature: ………………………………………………….
Date: ………………………………………………………
Special Conditions to apply:
……………………………………………………………………………………………………………..
……………………………………………………………………………………………………………..
……………………………………………………………………………………………………………..
……………………………………………………………………………………………………………..
……………………………………………………………………………………………………………..
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4.19.2 COPTTM Variations
Variations from the provisions within COPTTM (and the Local Authority supplement) shall be
made in accordance with the relevant COPTTM provisions and necessary approvals from the
relevant Territorial Authority.
4.19.3 Engineering Exception Decisions
Application for an Engineering Exception Decision, as provided for within COPTTM shall be made
on the pro-forma form within COPTTM.
4.20 Communication Protocols
Communication protocols are important to the success of the CTMP. Primary contact details will
be clearly recorded as the point of contact for road users.
Specific contact arrangements will be made for farmers to advise the project team of planned
stock movements. These will then be communicated to project drivers enabling them to avoid
that time or otherwise modify their travel as appropriate.
Finally, the CTMP will record a list of people and organisations that the CTMP will be distributed
to. All amendments and updates to the CTMP, as approved by the Councils, will then be made
accessible to those named on the list.
5. Specific Standards
A number of specific standards have been identified as necessary components of construction
traffic management and are therefore mandatory standards to be included in the CTMP. They
are:
5.1 Traffic Flows
(i) contractor vehicle movements to and from the Site shall be minimised by adopting
shared travel, return waste carriage, and other vehicle number minimisation
techniques.
5.2 Wind Farm Access Points(i) the primary Wind Farm Access points shall be located and constructed as
described in the application or as otherwise approved;
(ii) all CHWF construction traffic must use the primary access points, with the
exception of:
- specific exception sites to be listed once confirmed
(iii) other Site access transport conditions of consent to be identified here once
established.
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5.3 Travel Routes
(i) All conditions of consent relating to the management and control of travel on the
defined routes are to be recorded here.
5.4 Driver Protocols(i) drivers travelling to or from the Site must do so safely, in full compliance with the
law, including in respect of speed limits, following distances, forward sight when
overtaking, being able to stop within the length of road visible (or half the length
on roads without centrelines), and not driving carelessly or dangerously;
(ii) drivers with CB radios must radio in to the gatehouse when leaving the nearest
town for traffic updates or notifications;
(iii) when aware of any emergency vehicles (including vets responding to emergency
calls), approaching from in front or behind, drivers must pull over well in advance
to provide unimpeded movement;
(iv) drivers must reduce their speed to 20km/h when passing a school bus which is
slowing down, stopped, or accelerating in relation to picking up or setting down
children;
(v) drivers must reduce their speed to a maximum of 30km/h when:
- passing children walking, cycling or waiting on the side of the road
- passing an oncoming school bus (which isn’t slowing down, stopped or
accelerating such that the 20km/h limit applies)
- passing someone riding or leading a horse along the road
- approaching a stock crossing with the amber flashing light operating- approaching an area where a stock shift is known to be occurring
(vi) truck drivers must not use engine brakes (particularly Jacobs Brakes) on define
relevant sections of road here, except where the load being carried and the grade
of the road make use of such braking absolutely necessary for safe driving.
(vii) truck drivers travelling on school bus routes at the same time as an oncoming
school bus must use their CB radio to identify the location of the bus and pull over
in a safe location before the school bus reaches and passes them;
(viii) truck drivers must let traffic behind them pass at regular locations including those
opportunities that occur at intersections, wide driveways, sections of road with
adequate forward sight distance, gravel pits etc;
(ix) disciplinary procedures shall include consideration of a requirement that a vehicle
tracking system (with driver behaviour functionality) be installed in the vehicle of
any project driver who is the subject of a credible complaint or identified breach of
the road rules or Construction Traffic Management Plan. Any subsequent
breaches identified by the system shall result in disciplinary action.
5.5 Oversize Transporters
(i) the arrangements for the delivery of overweight and Over-dimensioned loads and
turbine components to the Site should avoid peak periods of traffic on the network
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and minimise as far as practicable disruption and disturbance to the residents.
This shall include:
- list travel time restrictions here
(ii) overweight and Over-dimension load permits for turbine components shall be
appended to the CTMP;
(iii) pilots shall be in radio contact with other trucks to ensure passing occurs at safe
and convenient locations;
(iv) in the event of a breakdown, accident or road failure, the transporter crew shall do
the following:
- park the pilot vehicles in locations where they maximise safety, considering
overhanging components, and blind bends on approaches
- contact emergency services (including Police) in the case of an accident;
- contact the project manager
- contact the road controlling authority (Tararua District Council, MastertonDistrict Council or NZ Transport Agency)
- contact the security gate to advise all other project traffic, and local traffic via
CB radio
- follow all instructions from Police and the road controlling authority
- in the case of an accident, the vehicles involved should not be moved until
instructed by Police.
5.6 Road Improvements
(i) List the road improvement and maintenance requirements here from the
conditions of consent;
(ii) any damage to the roads on the oversize vehicle route between SH2 and the Site
caused by oversize vehicles travelling to the Site shall be repaired by the Consent
Holder, with intervention triggers, response modes and response times as set out
in the relevant Tararua and Masterton District Council road maintenance
contracts;
(iii) close liaison shall occur with Tararua and Masterton District Council engineers in
designing and planning Local Road improvements to maximise the benefit to the
district road network;
(iv) the management of traffic at road improvement sites shall be in accordance with
the NZTA Code of Practice for Temporary Traffic Management, including the
Local Roads Supplement;
(v) subject to the approval of individual farmers, the Consent Holder shall supply and
install remotely operated flashing amber lights at regularly used stock crossings
on the roads defined for maintenance in the conditions of consent. The Consent
Holder shall not be responsible for the operation of the lights, but shall be required
to maintain them for the duration of the construction project;
(vi) signs shall be erected advising all drivers of a channel for CB communication in
the area east of Alfredton;
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(vii) subject to monitoring, additional pull over bays may be constructed where
required on the turbine component transport route to facilitate passing.
5.7 Monitoring
Monitoring of public roads and traffic management is to be undertaken as indicated in Table 1.
MONITORING FREQUENCY REPORTING
Traffic movements through Wind Farm Access Points, including date, time,driver, vehicle type, number of passengers, Wind Farm Access Pointused
Continuously Monthly, to Tararua and Masterton DistrictCouncils
Safety and effectiveness of temporarytraffic management at public roadimprovement sites
Daily when working Weekly, to Project Manager
Safety and effectiveness of temporarytraffic management at public roadimprovement sites and management of construction traffic as a whole
Weekly Monthly, to Tararua and Masterton DistrictCouncils
Condition of Waitahora Valley Roadbetween Waitahora Road and Site,including checks for ruts, pot holes,flushing and bleeding, and the conditionof the whole oversize vehicle routebetween SH2 and the Site during theturbine component delivery phase
Weekly Monthly, to Tararua and Masterton DistrictCouncils
Safety and effectiveness of oversize loadpiloting procedures
Once, at start of turbinedelivery
Within a week to Project Manager, NZTAand Tararua and Masterton District Councils
Structural condition of bridges As required byoverweight load permits
As required by permits, to NZTA andTararua and Masterton District Councils
Register of incidents and publiccomments/complaints
Continuously Weekly, to Tararua and Masterton DistrictCouncils
Serious incidents, including thoseinvolving any injuries
As they arise Immediately to Project Manager andTararua and Masterton District Councils
Table 1: Public Road and Traffic Management Monitoring
5.8 Incident Reporting
(i) road incidents must be reported, including:
- any road crashes, including damage only;
- any near misses, which includes occurrences where evasive action was
required by one or more parties and/or where heavy braking was required;
and
- any breakdowns or similar requiring a recovery vehicle;
(ii) incidents shall be recorded in the register along with all comments and feedback
received from the public;
(iii) serious incidents, including those involving any injuries, must be reported
immediately to the project manager and Tararua and Masterton District Councils;
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(iv) the register shall be reviewed weekly by the project manager and any corrective
actions recorded. The register shall then be forwarded to Tararua and Masterton
District Councils weekly.
5.9 Communications
(i) the Consent Holder shall ensure the relevant provisions of the CTMP and road
safety issues are included in the Site induction and regular “toolbox talks”;
(ii) subject to the approval of school bus service operators and individual residents,
the Consent Holder shall supply and install CB radios for school buses on roads
subject to a maintenance or traffic management control due to the CHWF, to
enable communication with construction traffic and the gate house;
(iii) a freephone number shall be established for public enquiries relating to any
aspect of the project including comments on driver behaviour;
(iv) vehicles which are committed to the CHWF construction project shall have the
freephone number displayed, along with a vehicle identification number for use inany public feedback regarding driver behaviour;
(v) the freephone number shall also be available to be used:
- to note any issues relating to temporary traffic management at public road
improvement sites, oversize vehicle movement, or construction traffic
management in general;
- to notify the project team of any planned stock movements along or across
Waitahora Road or Waitahora Valley Road; and
- to notify the project team of any events or activities around which construction
traffic should be arranged
(vi) where information is to be relayed back to project drivers, it shall be done by
notifying the security guard at the gate house (Siteaccess point), who will in turn
advise drivers when they radio in from the town departure, or when they drive out
of the Site;
(vii) copies of the CTMP shall be provided to at least the following:
- consents manager, Tararua and Masterton District Councils;
- roading manager, Tararua and Masterton District Councils;
- regional state highways manager, NZ Transport Agency;
- NZ Police;
- NZ Fire Service ;
- St Johns Ambulance;
- Alfredton primary school;
- List other identified schools here;
- List VET Services here;
- List commercial carriers here;
- Rural Fuel;
- Allied Petroleum;
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- BP;
- Transport Officer, School Support Ltd, Napier;
- Castle HillCHWF Community Liaison Group; and
- shall be made available on a digital media site for general access.
(viii) any updates to the plan, as approved by Tararua and Masterton District Councils,
shall be provided to the above.
6. Presentation
The CTMP is to be well presented in a format that clearly and efficiently conveys the information
to the range of recipients included on the distribution list.
If appropriate, a summary shall also be prepared for wider distribution.
Traffic Design Group LtdJuly 2011
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Appendix P: Draft Archaeological Accidental Discovery Protocol
The overarching approach to Accidental Discovery of Archaeology is outlined below:
1. Genesis Energy will, in consultation with Rangitane o Tamaki Nui a Rua, Rangitane o
Wairarapa, Ngati Kahungunu ki Wairarapa and Kahungunu ki Tamaki Nui A Rua
prepare an Accidental Discovery Protocol prior to the commencement of any
earthworks activities for the wind farm. The protocol shall be in place for any
earthmoving or ground modification that occurs during the construction and
operation of the wind farm. The protocol shall clearly set out the steps to be taken
(in accordance with 2), including any site walkovers, inspections or ceremonies that
may be carried out by representatives of Rangitane o Tamaki Nui a Rua, Rangit ne o
Wairarapa, Ngati Kahungunu ki Wairarapa and Kahungunu ki Tamaki Nui A Rua prior
to any works authorised by this consent commencing, or in the event of any
archaeological sites, taonga (treasured or prized possessions, including Maori
artefacts) or koiwi (human remains) being discovered at any time.
2. If any archaeological site, taonga or koiwi is discovered during the works authorised
by this consent, Genesis Energy shall immediately cease work at the affected site.
Genesis Energy shall notify Rangitane o Tamaki Nui a Rua, Rangitane o Wairarapa,
Ngati Kahungunu ki Wairarapa and Kahungunu ki Tamaki Nui A Rua the Historic
Places Trust, and in the case of koiwi, the Police, and shall not recommence works
in the area of the discovery until the relevant Historic Places Trust and Rangitane o
Tamaki Nui a Rua, Rangitane o Wairarapa, Ngati Kahungunu ki Wairarapa andKahungunu ki Tamaki Nui A Rua approvals to damage, destroy or modify such sites
have been obtained, and Tararua District Council and Masterton District Council (in
consultation with Manawatu-Wanganui Regional Council and Greater Wellington
Regional Council) has given authorisation to recommence the activities.
A draft outline of the protocol is set out as follows:
• Evidence of archaeological sites can include oven stones, charcoal, shell
middens, ditches, banks, pits, and old building foundations, artefacts of Maori
and European origin or human burials.• Is any archaeological site(s) are uncovered during physical works, Genesis
Energy will require the Contractor to adopt the following protocol.
• Work shall cease immediately at that place (“the affected area”)
• The contractor must shut down all machinery, secure the Site and advise
Genesis Energy.
• Genesis Energy shall advise the project archaeologist, Historic Places Trust,
relevant iwi authorities, Tararua District Council, Masterton District Council,
Manawatu-Wanganui Regional Council and Greater Wellington Regional
Council.
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• If skeletal remains are uncovered, the Genesis Energy will also advise the
Police.
• A site inspection will be undertaken with relevant iwi authorities.
• Materials discovered will removed by relevant iwi authorities responsible for the
tikanga appropriate to their removal and preservation, or re-interment.
• Works affecting the site shall not resume until the NZ Historic Places Trust, the
Police, (if skeletal remains are involved) and Iwi Authority representatives have
each given the appropriate approval for work to continue.
Contact details are included in Table X.
Table [X]: Organisation Contact Details
Organisation and Representative Contact Details
Genesis Energy Project Manager
Project Archaeologist
Historic Places Trust
Rangitane o Tamaki Nui a Rua
Rangitne o Wairarapa
Ngati Kahungunu ki Wairarapa
Kahungunu ki Tamaki Nui A Rua
Tararua District Council
Masterton District Council
Manawatu-Wanganui Regional Council
Greater Wellington Regional Council.
Training Procedures for All Contractors
All people (main contractors staff, sub-contractors, Genesis Energy staff and technical
advisors, and Council staff) working on the Site will be required to go through a Site
induction process, which will include training on the accidental discovery of cultural orarchaeological sites or material.
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Appendix Q: Biodiversity Management – Habitat Management Plan s)
Purpose
To guide the permanent protection and ongoing improvement of an area of approximately
210 ha of early successional indigenous vegetation in a staged manner.
Objectives
To achieve ongoing successional development of an area of indigenous vegetation set aside
as mitigation for vegetation clearance as a result of development of the CHWF (to be
subject to permanent legal protection).
Proposed Content
• Introduction.
• Objectives.
• Site(s) to be protected.
• Legal protection mechanism(s).
• Fencing: Construction, monitoring, maintenance.
• Pest Animal Control: Species to be controlled, control targets, monitoring,
reporting requirements.
• Pest Plant Control: Species to be controlled, control targets, monitoring,
reporting requirements.
• Enrichment Planting: Species, maintenance, monitoring.
• Vegetation Monitoring: Walk-through inspections, vegetation RECCE plots.
• Contingency strategies.
• Reporting requirements.
• Other relevant matters.
• Term of plan.
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Appendix R: Biodiversity Management – Riparian Protection Plan
Purpose
To guide the physical protection of stream riparian margins required to minimise aquatic
effects.
Objectives
To ensure that implementation of riparian protection is achieved in a staged fashion as the
wind farm is constructed.
Proposed Content
• Introduction.
• Priority catchments for riparian protection.
• Criteria for selection of riparian protection sites.
• Standards for riparian fencing, including minimum riparian buffers.
• Minimum lengths of stream to be protected.
• Reporting requirements.
•Term of plan.
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Appendix S: Biodiversity Management – Goat Control Plan
Purpose
To provide coordinated management of feral goats across all properties associated with the
CHWF.
Objectives
To reduce feral goats to very low levels within five years, with an overall objective of
eradication.
Proposed Content
• Introduction.
• Scale of problem.
• Strategic approach.
• Hunting programme.
• Monitoring.
• Roles and responsibilities.
•Reporting requirements.
• Term of plan.
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Appendix T: Biodiversity Management – Avifauna Monitoring Plan
Purpose
To provide and implement a technically rigorous monitoring programme for birds at the
CHWF site.
Objective
To assess potential collision effects resulting from construction and operation of the CHWF.
Proposed Content
• Introduction.
• Methods.
• Pre-construction monitoring:
o Flight paths;
o Five-minute bird counts.
• Post-construction monitoring:
o Flight paths.
o Five-minute bird counts.
o Carcass searches (discuss the use of search dogs).
o Searcher efficiency checks.
o Bird removal trials (checking on rate of scavenging and
decomposition).
o Protocols for dealing with injured birds (including contacts).
o Protocols for dealing with threatened or banded birds (including
contacts).
• New Zealand Falcon.
o Protocols for dealing with nests found during construction.
o Peer review process.
• Contingency strategies (to be triggered if targets and/or timelines are not
achieved).
• Reporting.
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Appendix U: Biodiversity Management – Bat Monitoring Plan
Purpose
To provide and implement a technically rigorous monitoring programme for bats at the
CHWF site.
Objective
To assess potential collision effects resulting from construction and operation of the CHWF,
and manage construction activities near identified bat roosts.
Proposed Content
• Introduction.
• Methods.
• Protocols for dealing with any bat roosts discovered.
o During construction.
o During post-construction monitoring, such as implementing targeted
predator control.
• Carcass searches (if search dogs are used for avifauna monitoring then it may
be possible to locate bat carcasses)
o Protocols for dealing with injured or deceased bats (including
contacts).
• Automatic batbox deployment in lower Pati Tapu Bush (suggest annual for first
3 years during Dactylanthus flowering, and then every 2 years for next 3
occasions and then 5 yearly thereafter for duration of windfarm operation – the
detection rate would give an indication as to how the bat population is
changing).
• Peer review process.
• Contingency strategies.
• Reporting.
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Appendix V: Biodiversity Management – Lizard Monitoring Plan
Purpose
To ensure that development of the CHWF minimises effects on lizards.
Objectives
To minimise construction effects by identifying and manage lizards and lizard habitats.
Proposed Content
•
Introduction.• Methods.
• Protocols.
o Pre-construction searches of likely sites
o Lizards found during construction.
• Handling permits.
• Translocation protocols.
• Reporting.
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Appendix W: Biodiversity Management – Predator Control Plan
Purpose
To undertake intensive predator control to enhance the prevalence and success of forest
bird species.
Objectives
To achieve intensive predator control over specific high value areas of indigenous forest
over the life of the CHWF.
Proposed Content
• Introduction.
• Species to be controlled.
• Monitoring.
• Target levels for species to be controlled.
• Bird counts (annual for first three years then two yearly for next three
occasions)
• Contingency strategies.
• Reporting.
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Appendix X: Biodiversity Management – Vegetation Management Plan
Purpose
To guide the implementation of vegetation clearance or trimming required to maintain
transmission line clearances or for wind flows (one turbine only).
Objectives
To minimise clearance requirements and adverse effects for indigenous vegetation.
Proposed Content
• Introduction.
• Sites to be affected.
• Objectives.
• Transmission lines - approach to be used.
• Clearance for wind flows (potentially one site only) - approach to be applied.
• Reporting.
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Appendix Y: Operational Noise Management Plan ONMP)
Purpose
The purpose of this Operational Noise Management Plan (ONMP) is to describe the means
by which noise effects arising from the operation of the Castle Hill Wind Farm (CHWF) will
be avoided, mitigated or remedied, to describe the means of monitoring compliance with
noise conditions, and to describe a mechanism by which any noise complaints related to
Operation will be received and addressed.
Objectives
The objectives of this ONMP are as follows:
• Describe the noise limits which apply to noise sensitive locations near the Wind
Farm.
• Describe the activities which will produce noise at dwellings, and describe the
likely noise levels times for which this will occur.
• Describe the method of monitoring noise levels to ensure that noise limits are
met.
• Designate persons responsible for liaising with the community, both to inform
the community of operational activities and to receive and respond to any
complaints.
• Describe a procedure for response to complaints.
• Describe the responsibilities of the Wind Farm operator in reporting to the TDC
and MDC.
Proposed Content
Noise Limits
The noise limits which apply to this Wind Farm are described in detail in the FinalOperational Noise Assessment Report (FONAR). In general the limit on noise from wind
turbines is 40 dB LA95 at the notional boundary of dwellings, although at x specific
locations this limit rises with increase wind speeds as discussed in the FONAR.
Noise from vehicles on Site and fixed plant including substations and etc are those
described in the Conditions of Consent, which relate to the permitted activity noise limits in
the District Plans.
Noise Producing Activities
Wind Turbines
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Noise is produced by wind turbines when they operate, with noise output level depending
on wind speed. The wind turbines used in the CHWF are xxx model yyy which produce a
peak noise output of xx dB Lw. The turbine operate in the wind speed range of xx and yy.The operational mode of the turbines are xx during condition A and yy during condition B.
Substations
On-site Vehicles
Maintenance Facility Activities
Others as Applicable
Noise Monitoring
Noise monitoring for compliance testing purposes shall be carried out within xx months of
the completion of the Wind Farm, [or of each stage of the wind farm… details to be
determined]. All noise monitoring shall be carried out in accordance with the relevant
clauses of NZS6808:2010, and compliance testing shall be reported in accordance with the
requirements of that standard.
Liaison
Ongoing communication between the Council and the Community and Genesis Energyforms a useful part of the management of noise effects and provides input into any future
review of consent conditions.
Complaint history shall be maintained by TDC and MDC and made available for
consideration upon request.
A 6-monthly newsletter shall be placed in the local newspaper by Genesis Energy during the
first two years of operation. The newsletter shall include updates on the development and
operation of the wind farm, results of compliance testing, and shall provide contact details
for the Community to communicate with Genesis Energy.
Complaints Procedure
Any noise complaints may be directed to the Community Liaison Manager.
Complaints shall be responded to within 24 hours. The response shall include an
investigation of the noise produced at the time of the complaint, and if compliance with
consent conditions is uncertain, shall be accompanied by a noise assessment to determine
what, if any, additional mitigations should be implemented.
The result of the noise assessment shall be reported back to the complainant within xxhours of a determination of the response.
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Procedures for Investigation of Complaints
Prior to the receipt of Compliance Testing Report
Complaints may be received in the first months of operation of the Wind Farm, prior to the
completion and reporting of compliance testing. These complaints may be relevant to
compliance testing, and Genesis Energy shall direct its noise consultant to have regard for
these complaints and the conditions in which they arise in the compliance assessment.
Within three working days of receipt of such a complaint Genesis Energy shall provide a
written or emailed response to MDC and TDC advising that this information has been
provided to its noise consultant, and an estimate of the date of completion of the
Compliance Testing Report, or any other relevant information about the status of
compliance testing.
The Compliance Testing Report when submitted to the Councils shall include a section
discussing complaints received, and describing the actions taken to incorporate these
complaints into the assessment methodology.
Following the receipt of Compliance Testing Report demonstrating compliance)
Complaints received after the Wind Farm has been demonstrated to be compliant with
Consent Conditions may arise from one of two causes:
1. Operational conditions exist which were not considered in the assessment of
compliance. This may include a change in noise emissions due to wear or failure of
turbine components, or meteorological conditions which were not foreseen, or
some other change to the wind farm.
2. Resident satisfaction is not addressed by confirmation of compliance with consent
conditions.
On receipt of a complaint it may not be possible for the Council to determine which of these
two categories the complaint falls into. When each complaint is passed to Genesis Energy,its first response shall be to report the wind direction, wind speed, and number of
operational turbines at the time of the complaint to the Council, and to provide a statement
as to whether this set of conditions has been demonstrated to be compliant.
Where conditions arise which have not been considered in the Compliance Testing Report,
a suitably qualified and experienced person shall be engaged to assess compliance under
these conditions. The results of this assessment shall be provided to TDC and MDC. If non-
compliance is demonstrated, remedial steps shall be undertaken as described in the
following section. If compliance is demonstrated, then this condition shall not be required to
trigger such an investigation following future complaints under similar conditions.
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If a number of complaints are received during a specific period under a condition which has
previously been shown to comply, the Council may request Genesis Energy to provide
evidence (for instance by comparing sound levels near the turbines to those levels
produced during compliance testing) that the wind farm noise output has not increased aftercompliance testing was carried out.
If a significant increase is demonstrated under the wind conditions in question, the Council
may request that compliance testing be repeated for that wind condition. If the sound level
has not increased by more than 2 dB, then the relevant complaints may be considered to
belong to category 2 above. In this latter case the complainants shall be informed that the
wind farm has been deemed to be operating within its consent conditions, but that the
complaints have been permanently logged and will form part of the complaints record.
Following receipt by Councils of the required description of operational conditions and
intended actions by Genesis Energy (including a timeframe for these actions), a written
response shall be provided to each complainant describing this action. This response shall
be provided within one week of the complaint. It is acknowledged that if the noise event is
caused by unusual meteorological conditions, the timeframe for assessment of that
condition may be dependent upon these conditions re-occurring.
Remediation Measures
Should non-compliance be demonstrated, the operation of the wind farm shall be ceased or
modified until modifications are made to reduce noise. These modifications may include
modifications to turbines, cessation or modification of operation of certain turbines duringcertain wind conditions, or improvements to sound insulation at affected properties, or
other treatments.
Resumption of operation shall be subject to the demonstration of compliance. Prior to the
re-commencement of operation, a report shall be provided by Genesis Energy to
TDC/MDC describing the remedial steps taken and demonstration of compliance.
This information shall be reported to the complainant(s) who were affected by the original
noise event.
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Appendix Z: Spill Response Plan SRP)
Purpose
To manage any spills of hazardous substances during construction of the CHWF.
Objectives
To provide the information needed to be prepared for, respond to and clean up any spills of
hazardous substances during construction of the CHWF.
Proposed Contents
• A list of hazardous substances (and associated quantities) that will be stored or
transported as part of construction of the CHWF.
• MSDS sheets for the substances.
• Plan(s) showing storage locations and location of spill kits.
• Plan(s) showing potentially sensitive receiving environments on-site (e.g.
waterways).
• Level 3 Emergency Response Plans (ERP) in compliance with HSNO
(emergency management) regulations 2001 for any On-site bulk storage of
substances that exceed HSNO (quantity) thresholds. Any ERP required for thesite would be prepared in accordance with the ERMA/Department of Labour
Approved Emergency Procedures and would comply with the requirements of
HSNO (emergency management) regulations 2001 as well as the Responsible
Care NZ Draft Code of Practice for Preparing for Chemical Emergencies.
• Substance-specific spill response plans (SRP) for small and medium scale spills
(refer to attached examples for small scale diesel/oil spill and medium scale
concrete spill).
• Spill event reporting/notification requirements.
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SPILL RESPONSE PLAN – SMALL DIESEL/OIL SPILL LESS 10 L)
1) BE SAFE 1. Turn off all ignition sources.
2. Put on gumboots or suitable footwear.
3. Wear Nitrile or appropriate chemical resistant gloves (i.e. PVC)from spill response kit.
4. Obtain MSDS for product for specialist advice.
2) STOP THE SOURCE Quickly control the spill by stopping or securing the spill source. Thiscould be as simple as up-righting a container, turning off the equipment,plugging the leak or using absorbent pads to soak up any spilled material.
3) PROTECT
WATERWAYS
1. Identify nearest waterway (see xxxxx plan).
2. Determine if spill could potentially enter waterway.
3. Place booms or sorbent pads/material (sawdust, zeolite, etc) overtop of spilt material to soak it up.
4) NOTIFY 1. Notify your supervisor/site foreman/ manager of spill.
2. If Spill has entered waterway –contact Horizons Regional Council
3. 0508 800 800 (ask for Pollution Hotline)
4. Contact xxxx for any specialist advice or assistance call:Xxx xxxx xxxxx
5. Contact sucker truck contractors (Call xxxxxxxxxxx) remove anyspill material in contaminant system or waterways.
5) CLEAN UP Place contaminated soil and absorbents into secure containers.
Use spade or shovel to remove any stained soil from the ground.
NEVER wash diesel into waterways.
6) DISPOSE
RESPONSIBLY
Spill material and used absorbent material and pads are hazardous waste. Arrange for hazardous waste contractor (<insert name of company><insert contractor phone>) to dispose of material.
7) RESTOCK AND
REVIEW
1. Immediately replace all used clean-up material (<insert name andcontact details of company supplying spill kit>)
2. Assess the cause of spill and take any steps necessary stepsnecessary to prevent re-occurrence.
3. Have a site meeting to discuss the reason of spill. File Health,Safety and Environment Alert Notice to other contractors ofincident.
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SPILL RESPONSE PLAN – MEDIUM CONCRETE SPILL up to 200 kg)
1) BE SAFE 1. Put on gumboots or suitable footwear.
2. Wear Nitrile or appropriate chemical resistant gloves (i.e. PVC)from spill response kit.
3. Obtain MSDS for product for specialist advice.
2) STOP THE SOURCE Quickly control the spill by stopping or securing the spill source. Thiscould be as simple as up-righting a container, turning off the equipment,plugging the leak or using absorbent material (sand, sawdust, earth,zeolite) to soak up any spilled material.
3) PROTECT
WATERWAYS
1. Identify nearest waterway (see xxxxx plan).
2. Determine if spill could potentially enter waterway.
3. Place sorbent material over top of spilt material to soak it up.
4. Consider making a cut off ditch and/or earthen bunds to protectwater courses.
5. If concrete has entered waterways call sucker truck to removematerial.
4) NOTIFY 1. Notify your supervisor/site foreman/ manager of spill.