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ENVIPERT00147AA_Management Plans_ 013_JL_V3
Written/Submitted by: Reviewed/Approved by:
Justin Lumsden
Associate Environmental
Scientist
Claire Stewart
Senior Environmental Geologist
SUBSURFACE MANAGEMENT PLAN
HELENA EAST PRECINCT
FORMER MIDLAND RAILWAY
WORKSHOPS
MIDLAND, WA
Prepared for:
Metropolitan Redevelopment Authority Railway Institute Building Corner Helena East and Yelverton Drive MIDLAND WA 6056
Report Date: 16 July 2012 Project Ref: EP2009/140, V3
ENVIPERT00147AA_Management Plans_ 013_JL_V3
16 July 2012
Environmental Resource Management
PO Box 7338
Cloisters Square
PERTH WA 6850
Attention: Jeremy Hogben
Dear Jeremy
RE: SUBSURFACE MANAGEMENT PLAN, HELENA EAST PRECINCT, FORMER MIDLAND
RAILWAY WORKSHOPS
Please find attached the updated Subsurface Management Plan (SMP) for the Helena East Precinct.
The SMP has been prepared by Coffey Environments on behalf of the Metropolitan Redevelopment
Authority (Metropolitan RA) and is submitted to you for your review in your capacity as the appointed
Contaminated Sites Auditor for this site. The SMP provides a framework for the management of
subsurface contamination constraints so that the health and safety of residents and other site users
together with the environment are protected from adverse impacts that could eventuate from
uncontrolled subsurface disturbances.
The SMP has been prepared in order to meet the following regulatory requirements:
To facilitate the clearance of Conditions 13-1 to 13-5 of Ministerial Statement (MS) No. 742, which
pertain to the preparation of the SMP and its subsequent approval by the CEO of the Department of
Environment and Conservation (DEC);
Together with other documentation, including the Helena East Remediation and Validation Report
(Part 1), enable the site to be reclassified under the Contaminated Sites Act 2003.
It is understood that under the Contaminated Sites Act 2003 and the Contaminated Sites
Regulations 2006, a Mandatory Auditor’s Report (MAR) will be necessary to achieve the above
objectives. Hence, the attached SMP together with the Helena East Subsurface Constraints Register
(SCR), provided separately, are submitted with the intention of providing sufficient information on which
a MAR can be prepared. Three additional report copies have been provided for forwarding onto relevant
regulatory bodies, as may be required.
Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
Should you require any clarification during your review of the attached SMP, I trust that you will not
hesitate to contact the undersigned on (08) 9355 7100.
For and on behalf of Coffey Environments Pty Ltd
Justin Lumsden
Associate Environmental Scientist
CC: Ben Rose (Metropolitan RA)
Attached: Subsurface Management Plan (V3), Helena East Precinct
RECORD OF DISTRIBUTION
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ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
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CONTENTS
Coffey Environments
ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
LIST OF ATTACHMENTS I
ABBREVIATIONS II
TECHNICAL DEFINITIONS IV
1 INTRODUCTION 1
1.1 Background 1
1.2 Purpose of This Management Plan 1
1.3 Scope of This Management Plan 1
1.4 Applicability of This Management Plan 2
1.5 Environmental Approvals and Regulatory Framework 4
2 SITE IDENTIFICATION AND SETTING 5
2.1 Site Details 5
2.2 Environmental Setting 8
3 SITE REMEDIATION AND CONTAMINATION STATUS 9
3.1 Previous Environmental Investigations 9
3.2 Pre-Remedial Soil and Groundwater Contamination 10
3.3 Remedial Works 11
3.4 Post Remedial Contamination 11
4 HAZARD IDENTIFICATION 13
5 RESPONSIBILITIES 14
6 KEY PERFORMANCE INDICATORS 16
7 SUBSURFACE MANAGEMENT CONTROL 18
7.1 Subsurface Management Strategy 18
CONTENTS
Coffey Environments
ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
7.2 Subsurface Access Procedures 18
7.2.1 Notification 19
7.2.2 Plan Preparation 19
7.2.3 Site Induction 19
7.2.4 Access 19
7.2.5 Personal Protective Equipment 20
7.2.6 Clean Fill Excavation and Stockpiling 21
7.2.7 Penetrating Warning Barriers 21
7.2.8 Contaminated Soil Excavation and Stockpiling 21
7.2.9 Excavation Reinstatement 22
7.2.10 Installation or Maintenance of Underground Utilities 22
7.2.11 Horizontal Boring or Other Subsurface Disturbance 23
7.3 Environmental Management Measures 23
7.3.1 Dust and Air Quality Control 23
7.3.2 Groundwater and Surface Water Management 24
7.3.3 Stormwater Management 25
7.3.4 Waste Management 25
7.3.5 Asbestos Waste Management 25
7.3.6 Noise and Vibration Management 26
7.3.7 Traffic Management 26
7.3.8 Community Consultation 26
8 CONTINGENCIES 27
9 PERFORMANCE MONITORING AND REPORTING 30
10 REFERENCES 31
11 STATEMENT OF LIMITATIONS 33
CONTENTS
Coffey Environments
ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
Figures in Text
Figure A: Applicability of Subsurface Management Plan
Tables in Text
Table A: Site Identification Information
Table B: Environmental Setting
Table C: Pre-Remediation Soil and Groundwater Contamination
Table D: Potential Exposure Scenarios
Table E: Responsibilities of Parties
Table F: Key Performance Indicators
Table G: Subsurface Management Strategy
Table H: Minimum Recommended Personal Protection Equipment
Table I: Environmental Incident Response Measures
LIST OF ATTACHMENTS
Coffey Environments
ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
I
Figures
Figure 1: Site Locality Plan
Appendices
Appendix A: DEC Site Summary Form
Appendix B: Certificates of Title
Appendix C: Subdivision Cadastral Plan
Appendix D: Subsurface Works Request Form
Appendix E: Environmental Incident and Hazard Form
LIST OF ATTACHMENTS
ABBREVIATIONS
Coffey Environments
ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
II
ACM Asbestos containing material
ANZECC Australian and New Zealand Environment and Conservation Council
ATA ATA Environmental
BBG Bowman Bishaw Gorham
CEO Chief Executive Officer
CHC Chlorinated Hydrocarbons
COPC Chemicals of Potential Concern
DEC Department of Environment and Conservation
EMP Environmental Management Plan
ERM Environmental Resources Management Australia
ha hectare
HDPE high density polyethylene
HSP Health and Safety Plans
ISO International Organisation for Standardisation
km kilometre
KPI Key Performance Indicator
LNAPL Light non-aqueous phase liquid
LSA Lower Superficial Aquifer
m metre
mAHD metre(s) Australian Height Datum
MAR Mandatory Auditor Report
mBGL metres below ground level
MRA Midland Redevelopment Authority
ABBREVIATIONS
ABBREVIATIONS
Coffey Environments
ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
III
MS Ministerial Statement
OHS Occupational Health and Safety
PAH Polycyclic Aromatic Hydrocarbon
PER Public Environmental Review
PPE Personal Protection Equipment
RVR Remediation and Validation Report
SCR Subsurface Constraints Register
SMP Subsurface Management Plan
SRT Swan River Trust
SSA Shallow Superficial Aquifer
STV Short-Term Trigger Value
SWMS Safe Work Method Statements
TPH Total Petroleum Hydrocarbon
ABBREVIATIONS
Coffey Environments
ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
IV
TECHNICAL DEFINITIONS
Selected technical definitions applicable to this report are listed below and are based on those
definitions contained under the DEC Contaminated Sites Management Series guidelines where further
technical definitions can also be found.
Clean Fill Material that will have no harmful effects on the environment and which consists of
rocks or soil arising from the excavation of undisturbed material.
For material not from a clean excavation, it must be validated to have contaminants
below relevant ecological investigation levels prescribed in DEC (2010) Assessment
Levels for Soil, Sediment and Water.
Contaminated In relation to land or underground water, contaminated means that a substance is
present in, on or under that land or in that underground water, at concentrations that
presents, or has potential to present, a risk of harm to human health or any
environmental value.
Light Non-Aqueous
Phase Liquid (LNAPL)
Non-aqueous substances that have an average density less than water (specific
gravity less than 1) and therefore generally float on water.
Volatile Physical property of a chemical that indicates it potential to transform from an
adsorbed, dissolved or liquid phase into a vapour phase under standard atmospheric
conditions.
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
1
1 INTRODUCTION
1.1 Background
The Helena East Precinct (‘the site’) represents an approximate 17ha portion of the former Midland
Railway Workshops, located 16km northeast of the city of Perth (Figure 1). Historically contaminated as
a result of past industrial activities, the site was the subject of extensive remedial works that have
largely rendered the site free of contamination. Residual soil contamination that remains on site
represents material that could not practically be removed due to logistical, economic and/or social
(heritage) constraints. Primary examples of such constraints include residual waste fill deposits beneath
and around heritage buildings and extensive waste fill deposits that form the Southern Embankment.
Without controls, residual soil and groundwater contamination that remains on site has the potential to
pose potential environmental and human health risks that, whilst unlikely to be significant in nature,
could affect future site use. Therefore, this Subsurface Management Plan (SMP), together with the
Helena East Subsurface Constraints Register (SCR), have been prepared to enable future site users
requiring subsurface access the ability to identify whether any particular safety or environmental
precautions should be taken.
The nature and extent of subsurface contamination, or ‘constraints’, has been documented in the Coffey
Environments (2012) Helena East Subsurface Constraints Register (SCR). It is envisaged that the SCR
will be progressively updated where the nature and extent of subsurface constraints is found to change.
In this regard, it is paramount that the most current SCR is always referred to.
1.2 Purpose of This Management Plan
The purpose of this SMP is to provide a framework for the management of subsurface contamination
constraints so that the health and safety of residents and other site users together with the environment
are protected from adverse impacts that could eventuate from uncontrolled subsurface disturbances.
Specific SMP objectives include:
Prevent uncontrolled exposure to residual contaminated soil, groundwater or vapour;
Maintain the integrity of warning barriers;
Ensure that if subsurface works have the potential to disturb contamination, the works are
appropriately managed; and
Satisfy regulatory requirements for the preparation and implementation of a SMP (Section 1.5).
1.3 Scope of This Management Plan
This SMP comprises the following information:
A summary of the site, its history, environmental setting, previous investigation works and remedial
works;
Identification of the duties and responsibilities of site users in implementing the SMP;
Establish performance indicators to evaluate the effectiveness of the SMP in meeting its objectives
and as a tool for monitoring areas of potential future SMP applicability;
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
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Identify potential hazards associated with intrusive subsurface works in areas or depths that may
intersect contamination so that appropriate safe working procedures and environmental
management protocols can be developed and implemented;
Provide suggested contingency measures in the instance that site users are incidentally exposed to
subsurface contamination; and
Provide example forms that will enable the Site Owner to document that sufficient information has
been provided that will enable site users to take due care prior to accessing the subsurface.
Secondly, example forms are provided to enable the management of any subsurface constraint-
related environmental incidences or hazards to be documented should they arise.
It is not the intention of this management plan to prescribe precise safety procedures for subsurface
access, but rather to identify potential hazards and provide a management framework of issues and
subsequent strategies to be considered. It is the expectation of this management plan, that site users
planning to undertake subsurface activities in areas or depths where contamination exists will
incorporate the key principals of this management plan into their occupation-specific Safe Work Method
Statements (SWMS), Health and Safety Plans (HSP), and Environmental Management Plans (EMP),
that are developed in consultation with a qualified safety professional, as applicable.
1.4 Applicability of This Management Plan
The SMP shall be implemented where one or more of the following scenarios apply:
1. Where (suspected) subsurface contamination has become incidentally exposed.
2. Where the proposed area of subsurface disturbance coincides with a subsurface constraint as
identified by the SCR.
3. Anywhere that the proposed depth of excavation is greater than 1.5m below ground surface levels or
where groundwater may otherwise be intersected.
4. Where there is any other reason to believe the subsurface work area may be impacted by
contaminated soil, groundwater or vapour.
The applicability of the Subsurface Management Plan is diagrammatically presented in Figure A.
NOTE: The implementation of the SMP is required for any subsurface works undertaken in areas
or depths where subsurface constraints are known to exist or are suspected to exist.
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
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FIGURE A APPLICABILITY OF SUBSURFACE MANAGEMENT PLAN
Is access to the subsurface required
or is the subsurface already
exposed?
Does the existing or proposed area
of subsurface disturbance coincide
with residual soil contamination?
or
Is there reason to believe the
subsurface may be contaminated by
soil, groundwater or vapour?
or
Will the depth of disturbance extend
to more than 1.5m below ground
surface or is there reason to believe
groundwater may otherwise be
intersected?
IMPLEMENTATION OF SUBSURFACE
MANAGEMENT CONTROL
PROCEDURES (SECTION 7) REQUIRED
PRIOR TO UNDERTAKING WORKS.
Site-specific subsurface
management precautions
arising from contamination
will not be necessary to
complete works.
NO
YES
NO
YES
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
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1.5 Environmental Approvals and Regulatory Framework
As a commitment made in the 2006 Helena East Public Environmental Review (PER) (ATA, 2006), the
preparation and submission of this SMP and the SCR for the site represent formal conditions of
ministerial approval for the Helena East remedial works, as contained under Ministerial Statement 742
issued on 6 June 2007.
The following conditions of Ministerial Statement 742 are specifically relevant to the SMP and SCR:
13-1 “Within three months following completion of remediation works and prior to any
subsurface activities, the proponent shall submit a Subsurface Management Plan to the
CEO for approval.
13-2 The proponent shall implement the Subsurface Management Plan required by condition
13-1.
13-3 In the event that services or subsurface activities need to be located or take place,
respectively, below the clean fill cover, prior to the installation of such services or the
conduct of such activities, the proponent shall carry out soil validation tests to
demonstrate that the soil is not contaminated.
13-4 In the event that the soil is contaminated, the proponent shall advise the CEO and shall
complete the works in accordance with the Subsurface Management Plan required by
condition 13-1.
13-5 The proponent shall make the Subsurface Management Plan required by condition 13-1
publicly available in a manner approved by the CEO.”
In addition to ministerial obligations stated, the SMP and SCR are considered relevant information in
assessing the site for reclassification under the Contaminated Sites Act (2003). At the time of report
preparation, the appointed Contaminated Sites Auditor for this site was Mr Jeremy Hogben of
Environmental Resource Management (ERM).
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
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2 SITE IDENTIFICATION AND SETTING
2.1 Site Details
Site identification details current at the time of SMP preparation are summarised in Table A. Further
information can be found in the Coffey Environments (2009a) Remediation and Validation Report
(RVR).
A DEC Site Summary Form is included in Appendix A.
TABLE A
SITE IDENTIFICATION INFORMATION
Common Site Name Helena East Precinct, (’The Workshops’), Former Railway Workshops, Midland.
Site Location Yelverton Drive, Midland (Figure 1).
Statutory Identification Lot 499 on Deposited Plan 66298
Volume 2750, Folio 696
Lot 500 on Deposited Plan 66298
Volume 2750, Folio 697
Lot 502 on Deposited Plan 66298
Volume 2750, Folio 698
Lot 503 on Deposited Plan 66298
Volume 2750, Folio 699
Lot 669 on Deposited Plan 55478
Volume 2718, Folio 696
Part of Lot 9011 on Deposited Plan 48323
Volume 3156, Folio 160
Lot 9014 on Deposited Plan 48737
Volume 2719, Folio 400
Lot 9026 on Deposited Plan 66298
Volume 2750, Folio 700
Part of Lot 9502 on Deposited Plan 48323
Volume 2614, Folio 289
Lot 9503 on Deposited Plan 48323
Volume 2614, Folio 290
Lot 15299 on Deposited Plan 38765
Volume 3128, Folio 987
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
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TABLE A
SITE IDENTIFICATION INFORMATION
Lot 15300 on Deposited Plan 38765
Volume 3128, Folio 988
A Land Titles Status Plan and Certificates of Title are provided in Appendix B.
Site Area Helena East: 16.2ha
Southern Embankment: 0.8ha
Total Site Area: 17ha
Registered Proprietor Metropolitan Redevelopment Authority.
Local Government City of Swan.
Current Site Use At the time of reporting the Pattern Shop, Pattern Store and extension were
tenanted by a fine art workshop and studio (‘Midland Atelier’). The remainder of
the site was unoccupied.
Site Features Primarily vacant land bounded by numerous light industrial buildings and
structures up to ~100 years old and 1ha in size.
Site History The Midland Railway Workshops operated between 1904 and 1994. The
workshops were used for the manufacture and maintenance of locomotives and
rolling stock. Significant on-site industrial activities associated with the
workshops included metal-plating, foundry works, fuel storage and distribution
facilities, trade wastewater collection and treatment, and power generation.
Over the course of operation of the Railway Workshops, large volumes of
locomotive cinder and ash are likely to have been offloaded and used as fill to
improve drainage across the broader Railway Workshops Precinct. Other waste
products such as Foundry sand and slag would have also been used as fill, as
evidenced by the composition of fill deposits across the broader Railway
Workshops Precinct.
Proposed Site Subdivision The most current Helena East subdivision plan proposes a mixture of traditional
lots, public open space and internal roads.
The McMullen & Nolan Cadastral Plan (July 2011) is provided in Appendix C.
Proposed End Land Use The Midland Redevelopment Scheme (gazetted 8 February 2005) designates
the preferred uses for the Helena East Precinct as residential, commercial and
community uses (including public open space).
DEC Contaminated Sites
Database Search (August
Lot 499/DP66298 Remediated for Restricted Use
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
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TABLE A
SITE IDENTIFICATION INFORMATION
2009) Lot 500/DP66298 Remediated for Restricted Use
Lot 502/DP66298 Remediated for Restricted Use
Lot 503/DP66298 Remediated for Restricted Use
Lot 669/DP55478 Remediated for Restricted Use
Lot 9502/DP48323: Contaminated Site - Remediation Required
Lot 9503/DP48323: Contaminated Site - Remediation Required
Lot15299/DP38765: Contaminated Site – Remediation Required
Lot15300/DP38765: Contaminated Site – Remediation Required
Lot 9026/DP66298: Not Classified
Lot 9014/DP48737: Contaminated Site – Remediation Required
Lot 9011/DP48323: Not Classified
Search Results as of December 1 2011
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2.2 Environmental Setting
The environmental setting of the site is summarised in Table B. Further environmental setting
information can be found in the Coffey Environments (2009a) RVR.
TABLE B
ENVIRONMENTAL SETTING
Environmental Factor Description
Topography The Helena East Precinct is generally level and consistent with the surrounding land
to the north, west and east at approximately 13-14mAHD. From this site elevation, the
Southern Embankment declines steeply into the Helena River floodplain to a level of
7m-8mAHD, or approximately 6-7m lower than the general site.
Geology The local geology to approximately 25m below ground level (mbgl) is identified as
comprising the alluvial Guildford Formation, generally characterised as clays with
varying silt, sand and gravel content.
Residual waste fill remains on site primarily beneath and adjacent to heritage
structures and also along the Southern Embankment and abutting road reserve. With
the exception of the Southern Embankment where waste fill can exceed 9m in
thickness, waste fill typically ranges from 0.5m to 1.0m thick. Waste fill, grey to black
in colour, comprises a high proportion of cinder, ash and foundry sand, with
occasional inert materials such building rubble and scrap metal.
Imported sand certified as ‘Clean Fill’ extends across much of the remediated site,
replacing waste fill deposits and typically 0.5m to 1.0m thick but up to 3m or more in
areas subjected to deeper remediation.
Hydrogeology Hydrogeological investigations indicate the presence of two upper groundwater
systems and one deeper regional groundwater system. Upper groundwater systems
include a complex, low permeability shallow flow system referred to as the Shallow
Superficial Aquifer (SSA) and the deeper, more continuous groundwater system
referred to as the Lower Superficial Aquifer (LSA). The SSA and LSA occur at
elevations ranging from 1.5-6.5mbgl and 9-10.5mbgl, respectively.
The deeper regional aquifer, the Leederville aquifer, occurs a depth of 48-51mbgl.
Surface Water The nearest surface water body is the Helena River located approximately 70m south
from the Helena East Precinct boundary at its nearest point and an important tributary
to the Swan River. Further afield, an artificial water body known as the Coal Dam is
located approximately 200m northwest of the site boundary, within the previously
remediated Helena West Precinct.
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Helena East Precinct Former Midland Railway Workshops
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3 SITE REMEDIATION AND CONTAMINATION STATUS
3.1 Previous Environmental Investigations
A number of environmental investigations have been undertaken at the site, either specifically for the
Helena East Precinct or as part of investigations of the broader Midland Railway Workshops.
Previous environmental investigation reports include:
Midland Railway Workshops Site, Environmental Audit (BBG, 1994);
Midland Railway Workshops Assessment of Contamination and its Implications (CMPS&F, 1995);
Midland Railway Workshops Site Contaminant Migration Study (BBG, 1995);
Environmental Investigations, Midland Railway Workshops (CMPS&F, 1996);
Detailed Site Investigation, Helena Precinct Waste Fill, Midland Railway Workshops (ENV, 2002);
Hydrogeological Investigation, Helena West, Midland Railway Workshops (ENV, 2003);
Environmental Investigations in Support of Referral, Helena East, Midland Railway Workshops Site
(ENV, 2004);
Public Environmental Review, Helena East Precinct Remediation and Redevelopment (ATA, 2006);
Investigation of Volatile Organic Compounds in Soil Vapour and Atmosphere in Areas of Known Soil
Contamination at Helena East Precinct, Midland Railway Workshops (Crisalis, 2007);
Dissolved Chlorinated Hydrocarbon Plume Investigation, Helena East Precinct, Former Midland
Railway Workshops (Coffey Environments, 2009b);
Pre-Remediation Health Risk Assessment, Helena East Precinct, Former Midland Railway
Workshops (Coffey Environments, 2010a);
Health Risk Assessment - Block 2 and Block 3, Helena East Precinct, Former Midland Railway
Workshops (Coffey Environments, 2010b);
Post Remediation – Dissolved Chlorinated Hydrocarbon Plume Investigation, Helena East Precinct,
Former Midland Railway Workshops (Coffey Environments 2011a);
Post Remediation Groundwater Contaminant Fate and Transport Assessment, Helena East
Precinct, Former Midland Railway Workshops (Coffey Environments 2011b);
Soil Vapour Investigation Results (March 2011), Helena East Precinct, Former Midland Railway
Workshops (Coffey Environments 2011c); and
Post-Remediation Health Risk Assessment, Helena East Precinct, Former Midland Railway
Workshops (Coffey Environments, 2011d);
The remediation and validation of the Helena East Precinct has been documented in the following
remediation and validation reports:
Remediation and Validation Report, Part of Helena East Precinct (Part 1), Former Railway
Workshops, Midland (Coffey Environments, 2009a);
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
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Remediation and Validation Report, Part of Helena East Precinct (Part 2), Former Railway
Workshops, Midland (Coffey Environments 20113); and
Remediation and Validation Report, Part of Helena East Precinct (Part 3), Former Railway
Workshops, Midland (Coffey Environments 2011f).
3.2 Pre-Remedial Soil and Groundwater Contamination
The nature and extent of pre-remedial soil and groundwater contamination is summarised in Table C.
Further information on the pre-remedial soil and groundwater contamination status can be found in the
Coffey Environments (2009a) RVR.
TABLE C
PRE-REMEDIATION SOIL AND GROUNDWATER CONTAMINATION
Medium Description
Soil Waste Fill Contamination:
Typically, waste fill at the site was found to comprise elevated concentrations of metals
(particularly copper and zinc and to a lesser extent, antimony, chromium, lead and tin), total
petroleum hydrocarbons (TPHs) and occasionally, polycyclic aromatic hydrocarbons
(PAHs) and asbestos (both in free-form and bonded form). The volume of waste fill was
found to be most extensive in the southern half of the site where the land originally graded
south into the Helena River floodplain.
Point-source contamination hotspots
Point-source contamination hotspots identified at the site as having impacted underlying
natural soil is summarised as follows:
Multiple inferred fuel and oil hotspots (TPHs and PAHs) across the site, the most
significant of which being within the Southern Embankment;
Solvent hotspots [chlorinated hydrocarbons (CHCs)] in the surrounds of the Hot and
Cold Wells and to a lesser extent south of the Tarpaulin Shop; and
A metal hotspot (hexavalent chromium and total chromium, cadmium, nickel and tin)
west of the Tarpaulin Shop and within the footprint of former metal plating shops.
Groundwater Overall, groundwater investigation works identified the following five broad types of
groundwater impact beneath the site:
1. Widespread marginal elevations of metals (particularly zinc and copper) in the SSA
across much of the site that may be a regional phenomenon.
2. A localised nickel contamination hotspot in the SSA that is likely to be associated with
former on-site metal-plating operations.
3. A localised hydrocarbon plume in the SSA that is likely to be associated with on-site
fuel spillages in the vicinity of the Power House and towards the south of the Tarpaulin
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
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TABLE C
PRE-REMEDIATION SOIL AND GROUNDWATER CONTAMINATION
Medium Description
Shop. Light non-aqueous phase liquid (LNAPL) was identified in groundwater
immediately south of the former Hot and Cold Wells structure.
4. CHC impact in the SSA and the LSA (including vinyl chloride, trichloroethene and
tetrachloroethene). An inferred CHC point-source was identified in the surrounds of the
former Hot and Cold Wells structure. A second CHC source zone and plume was
identified towards the south of the Tarpaulin Shop.
5. A localised hydrocarbon (TPH and PAH) plume in the SSA beneath Block 2 and to a
lesser extent Block 3. LNAPL was identified in groundwater in the central portion of
Block 2.
3.3 Remedial Works
The adopted remedial approach for the site, as proposed in the ATA (2006) PER and ultimately
documented in multiple remediation and validation reports, can be summarised as follows:
1. On-site Treatment and Re-use: Where excavated geotechnically unsuitable waste fill material was
verified as complying with the remediation criteria, on-site geotechnical screening was undertaken to
maximise re-use of this material.
2. Off-site Treatment: where hydrocarbon contaminated material was not suitable for re-use on site,
opportunities to treat this material off site (via bioremediation) were explored. Where material was
treated off site, re-importation was not undertaken due to logistical and geotechnical constraints.
3. Off-site Disposal: All contaminated material that was not suitable for on-site or off-site treatment was
disposed off site at a landfill facility licensed to receive such waste.
4. 'Cap and Contain': Where it was impractical to remove all contaminated material, such as around
heritage buildings or due to other site constraints, contaminated soil was capped with geotextile
visual warning barriers and clean fill cover in accordance with regulatory conditions for this site. Note
in some locations, such as beneath heritage buildings for example, contaminated soil was not
capped with geotextile visual warning barriers due to logistical constraints.
5. Temporary Isolation: Although not originally envisaged in ATA 2006, where it was not practical to
‘cap and contain’ residual contamination at the cessation of the remedial earthworks contract,
cyclone fencing has been temporarily erected to prevent access to contaminated soil present at the
surface. Temporary fencing will be maintained until such a time that civil works, including
underground utility installation, are complete.
3.4 Post Remedial Contamination
The Helena East SCR is designed to be a user-friendly guide of the nature and extent of residual soil
and groundwater contamination for remediated portions of the site. Detailed scientific information
documenting the final site condition has been presented in three remediation and validation reports
(Coffey Environments 2009a, 20113, 2011f) which should be referred to where contamination
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concentration-specific or sample location-specific information is required, such as may be the case
where residual contaminated soil becomes surplus to site requirements.
In general, residual soil contamination that remains on site at the completion of remedial works
represents material that could not practically be removed due to logistical, economic and/or social
(heritage) constraints. Primary examples of such constraints include residual waste fill deposits beneath
and around heritage buildings and extensive waste fill deposits that form the Southern Embankment.
In addition to residual soil contamination, residual groundwater contamination also remains beneath the
site at the completion of remedial works and is therefore subject to certain ongoing restrictions which
are dealt with in this SMP.
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4 HAZARD IDENTIFICATION
This section of the SMP identifies potential hazards associated with subsurface contamination in
relation to site users, nearby off-site communities and the environment.
For exposure to occur, a complete pathway must exist between the source of contamination and the
receptor (i.e. the person or ecosystem components potentially affected by the contamination). The
relationship between source, receptor and pathway in the context of residual site contamination and
uncontrolled subsurface disturbance (including groundwater abstraction) related hazards are
summarised in Table D.
TABLE D
POTENTIAL EXPOSURE SCENARIOS
Source Exposure Route Receptor
Contaminated soil Dermal.
Inhalation (particulates or
vapour where contaminants
are volatile).
Ingestion.
Site users undertaking subsurface activities that
disturb contaminated soil.
Off-site communities where generated dust or
vapour extends off site.
Entrainment of sediment into
the stormwater network.
Nearby sensitive environments (i.e. Helena
River).
Contaminated
groundwater
Dermal.
Inhalation (where
contaminants are volatile).
Ingestion.
Site users undertaking subsurface activities that
may or may not intersect contaminated
groundwater.
Site users that abstract contaminated
groundwater via groundwater abstraction bores.
Off-site communities where groundwater plumes
extend off site.
Discharge of groundwater
into the stormwater network.
Nearby sensitive environments (i.e. Helena
River).
It is noted that the building / above-ground vapour intrusion from volatile-contaminated soil and/or
groundwater as an exposure pathway is not considered a hazard in this SMP based on the final site
condition at the completion of remedial works and any localised land use restrictions that apply.
Should there be any reason to believe vapours may exist within a utility trench or other subsurface
enclosed space outside of areas identified in the SCR, then contingency measures prescribed in
Section 8 should be implemented prior to commencing or continuing works. Whilst not necessarily a
hazard, perceived impacts that may result from the disturbance of contaminated soil or groundwater
may also be aesthetic in nature, such as waste fill or hydrocarbon-impacted soil which may be deemed
aesthetically offensive from an visual or olfactory perspective.
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5 RESPONSIBILITIES
The responsibilities under the SMP of parties involved in subsurface works in contaminated areas or
depths are summarised in Table E. These responsibilities do not replace any other regulatory
responsibilities of the parties in undertaking works at the site and do not include all responsibilities. Until
ownership or responsibility of the site or portions of the site are formally transferred, the Metropolitan
RA will fulfil the role of Site Owner.
TABLE E
RESPONSIBILITIES OF PARTIES
Title Responsibilities Comments
Site Owner Ensure that site tenants are aware of the SMP and
associated procedures and the SMP is implemented.
Maintain records and documentation relevant to the SMP.
Ensure tenants are provided with current version of SMP
and are appropriately briefed.
Inform the nearby community of any disruptions that
impact the community and respond to community
complaints.
Ensure SMP performance is monitored against nominated
Key Performance Indicators (KPIs) and consider
rectification works where required.
The Site Owner will seek
expert advice as
appropriate.
Site Owner’s
Representative
(where
applicable)
Approve consultants and contractors for undertaking
works.
Approve or have approved HSPs, EMPs and SWMSs.
Coordinates the implementation of the SMP on behalf of
the Site Owner.
Appointed by Site Owner.
Tenant Acknowledge and adhere to the requirements of the SMP.
Refrain from any act that could put them or any other
person at risk of exposure to contamination.
Obtain approval from Site Owner for consultants and
contractors undertaking works.
Manage works including consultants and contractors such
that their works are carried out in accordance with SMP
protocols.
Confirm to Site Owner that works are being undertaken in
accordance with procedures set out in SMP.
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TABLE E
RESPONSIBILITIES OF PARTIES
Title Responsibilities Comments
Notify Site Owner of any non-conformance with the SMP
and corrective actions.
Provide to Site Owner and maintain survey plans of
excavations and as-constructed drawings.
Approved
Environmental
Consultant
Undertake environmental monitoring works or provide
advice in accordance with the requirements of the SMP.
Update SMP and SCR as applicable.
Respond to environmental incidents.
Review tasks-specific Approved Contractor EMP where
prepared.
Environmental Consultant
should be suitably
experienced in
contaminated sites.
Commissioned by Site
Owner or Owner’s
Representative or Site
Tenant (with approval from
Site Owner).
Approved/
Licensed
Contractor
(or any party
undertaking the
subsurface
works)
Undertake works in accordance with the requirements of
the SMP.
Prepare applicable HSPs, EMPs and SWMSs.
Suitably experienced
contractor.
Commissioned by Site
Owner or Owner’s
Representative or Site
Tenant (with approval from
Site Owner).
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6 KEY PERFORMANCE INDICATORS
To evaluate the effectiveness of the SMP in meeting its objectives and as a tool for monitoring future
areas of potential SMP applicability, Table F outlines KPIs that shall be integrated into subsurface
constraint management processes at the site. Consistent with roles and responsibilities outlined in
Section 5, it is the responsibility of the Site Owner to ensure SMP performance is monitored against the
nominated KPIs.
TABLE F
KEY PERFORMANCE INDICATORS
Performance Indicator Verification Responsible Party
1 Tenants are aware of SMP and
associated procedures
Maintain a record of tenant
notifications.
No incidents of uncontrolled
exposure.
Site Owner or Representative.
2 No unregistered subsurface
disturbances
Maintain a subsurface
disturbance register.
No incidents of uncontrolled
exposure.
Site Owner or
Representative.
Tenant.
3 Appropriate health and safety
precautions are taken in
performing works
Task-specific SWMS and Site
Safety Plan (SSP) documents
are prepared and incorporate
SMP control procedures.
Personal Protection Equipment
(PPE) is being worn.
Approved/Licensed Contractor.
4 Area of disturbance is
appropriately reinstated/integrity
of warning barriers is maintained
Recorded inspection of
warning barrier, clean fill cover,
and physical barrier (where
applicable) reinstatement and
compliance with the SMP.
Where the nature and extent of
the warning barrier is altered,
the warning barrier is surveyed
and the SCR is updated
accordingly.
Approved/Licensed Contractor.
(Expert advice shall be sought
where the SCR requires
updating).
5 Appropriate environmental
management precautions are
taken in performing works
Where warranted, a task-
specific EMP is prepared and
incorporates SMP control
Approved/Licensed Contractor.
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TABLE F
KEY PERFORMANCE INDICATORS
Performance Indicator Verification Responsible Party
procedures.
No environmental incidents
(see below).
6 No unacceptable discharges or
emissions or other
environmental incidents1
Qualitative verified through an
inspection of the works during
and at the completion of works.
In some cases environmental
monitoring may be used to
evaluate the performance of
this KPI, as prescribed in the
SMP.
Record any community
complaints.
Approved/Licensed Contractor.
(Expert advice shall be sought
where environmental monitoring
is required).
7 All surplus contaminated soil or
dewatered groundwater effluent
appropriately disposed of in
accordance with the SMP
Provision of waste transfer and
disposal dockets or other
verification documentation as
applicable.
Approved/Licensed Contractor.
(Expert advice shall be sought
where off-site disposal of
contaminated material is
required).
8 SMP remains suitable to the
needs of subsurface disturbance
work and site conditions
Works are implemented in
accordance with the SMP.
SMP is updated as necessary.
Site Owner or Representative.
(Expert advice shall be sought
where the SMP requires
updating).
1: Examples of an unacceptable discharge or emission at this site may include discharge of groundwater effluent or entrainment of
contaminated soil into the stormwater network, visible dust extending beyond site boundaries, uncontrolled off-site disposal of contaminated soil, or an unacceptable discharge or emission determined by other qualitative and/or quantitative means.
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7 SUBSURFACE MANAGEMENT CONTROL
7.1 Subsurface Management Strategy
This SMP forms part of a broader subsurface management strategy for site contamination with the aim
of the site remedial approach described in Section 3.3 being to eliminate (remove) contamination and
apply engineering controls to any residual contamination (i.e. cap and contain). The subsurface
management control measures detailed herein therefore apply to managing the engineering controls,
implementing administrative controls and as a final precaution, developing a HSP that may require the
use of PPE.
The four types of exposure management controls, listed in preferential order, and site examples of
these controls are outlined in Table G.
TABLE G
SUBSURFACE MANAGEMENT STRATEGY
Control Type Site Examples
1 Elimination/substitution and
process modification
General remediation and off-site disposal of contaminated soil.
2 Engineering controls Installation of subdivision services within clean fill.
Installation of warning barriers and clean fill cover over residual
contaminated soil. Installation of fencing to provide physical barriers,
preventing access to areas where residual contamination is present.
Maintenance of other physical barriers (e.g. concrete floors within
heritage buildings) where warning barriers and clean fill do not exist.
3 Administrative controls Certificate of Title memorials that identify the presence of
contamination and site restrictions.
Development of a Subsurface Management Plan and Subsurface
Constraints Register.
4 Identification of residual hazard
and suggested use of PPE
As discussed in the Subsurface Management Plan.
7.2 Subsurface Access Procedures
NOTE: Where subsurface activities are proposed and the implementation of this SMP is required
through an assessment of the works relative to subsurface constraints (Section 1.4), the
subsurface management procedures outlined below shall be implemented. In accordance with
SMP roles and responsibilities (Section 5), the Site Owner is responsible for ensuring the SMP is
implemented.
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7.2.1 Notification
The permission of the Site Owner must be obtained by the tenant or the subsurface worker, as
applicable, prior to undertaking subsurface activities. The Site Owner will require information on the
proposed activity, location with reference to the Helena East Grid Cell Reference System (see SCR)
and/or survey coordinates, and the anticipated depth of disturbance. An example of a Subsurface
Works Request Form is provided in Appendix D.
7.2.2 Plan Preparation
Prior to any intrusive activities the method of works shall be pre-planned so that risks to workers,
residents, the public and the environment are minimised. Appropriate site preparations will include, at a
minimum, the development of a SWMS and a HSP by the Contractor. Depending on the scale of
subsurface disturbance it may also be appropriate for the Contractor to prepare a task-specific EMP as
assessed in consultation with the Environmental Consultant.
Minimum requirements for the SWMS, SMP and EMP are summarised below.
The SWMS, SMP and EMP shall be in accordance with regulatory and industry institutional
standards including but not limited to those standards contained under the Australian Standard
series and International Organisation for Standardisation (ISO).
The SWMS shall discuss the objectives and order of the works, the equipment and procedures to be
adopted and the potential for exposure.
The HSP shall take into consideration the health risks associated with the hazard and will include as
a minimum the supply of appropriate personal protective equipment (PPE) for personnel undertaking
the work (including respirators/dust masks). The HSP shall also include dust control measures to
protect site users and the public.
The EMP should include soil, water, waste, noise and dust management, monitoring and emergency
response.
The above documents should be consistent with the minimum requirements proposed in the following
sections of this SMP.
7.2.3 Site Induction
Prior to intrusive works on the site, all personnel involved with site works shall be given a site induction
by a suitably qualified person or as a minimum have read and understood this SMP and the associated
risks at the site.
7.2.4 Access
The work site shall be cordoned-off if there is a risk to the public from entering the site. As a minimum,
unauthorised personnel must be restricted from entering the boundaries of the intrusive work area, and
any temporary stockpiles of contaminated soil where applicable. All barriers are to remain in place until
intrusive works have been completed and all contaminated soil has been reinstated or removed off site
and containment/capping has been completed.
Where possible, the number of personnel working in an impacted area shall be kept to a minimum.
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7.2.5 Personal Protective Equipment
All personnel within the cordoned-off work site must wear the appropriate PPE as prescribed by their
SWMS and/or HSP. It is envisaged that PPE will be worn in all situations where there is a potential risk
of exposure to contaminated soil or groundwater. Table H summarises the typical PPE recommended
for various scenarios where subsurface contamination may be disturbed.
TABLE H
MINIMUM RECOMMENDED PERSONAL PROTECTION EQUIPMENT
Scenario TYPICAL PPE
1 Disturbance of contaminated soil not containing asbestos or
volatile compounds
or
Disturbance of groundwater not containing volatile
compounds
Protective gloves
Coveralls/long pants and long sleeved
shirt
Safety glasses
A fluorescent traffic vest/and or high
visibility clothing
Steel-toed boots
2 Disturbance of asbestos containing soils As per (1) plus:
Disposable paper coveralls
P2 level disposable dust mask
3 Disturbance of groundwater or soil that contains volatile
compounds1
As per (1) and together with occupational
air quality monitoring:
Half-face or full face respirator fitted with
new filter cartridge appropriate for the
specific chemicals that may be
disturbed.
1: Compounds that are considered volatile or semi-volatile and the known locations of these compounds are identified in the SCR.
Task-specific PPE that may apply to the nature of the subsurface task being performed and beyond
recommended minimum PPE requirements specified in Table G should be considered in the
preparation of a HSP. Furthermore the HSP should detail correct procedures for donning and removing
PPE as well as appropriate PPE disposal.
As noted in Table H, where the subsurface works are likely to disturb residual petroleum and/or
chlorinated hydrocarbon-impacted soil or groundwater, or where there is reason that vapours may be
present in the subsurface, the site-specific HSP developed may recommend that occupational
monitoring be undertaken as an additional level of protection for site workers. Typically, a combination
of real-time qualitative monitoring and delayed quantitative monitoring should be performed. Given the
technical nature of occupational monitoring, it is recommended that occupational health and safety
(OHS) expert experienced in contaminated sites occupational monitoring is engaged to develop the
OHS monitoring program in the instance that such monitoring is deemed appropriate.
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7.2.6 Clean Fill Excavation and Stockpiling
In certain locations across the site, such as within existing heritage buildings, waste fill is not overlain by
clean fill or warning barriers. Please refer to the SCR to confirm subsurface conditions applicable to the
work area. In case of any doubt, the approved Environmental Consultant should be engaged to
supervise the works and collected confirmatory analytical samples where appropriate.
Clean fill material should be excavated and stockpiled in a designated area. Any clean fill that appears
visually cross-contaminated, such as may be the case near the interface of clean fill and waste fill,
should be segregated and treated as contaminated soil until verification testing demonstrates otherwise.
Clean fill stockpiles should be clearly labelled to identify it as clean fill and covered or wet down to
minimise dust generation.
7.2.7 Penetrating Warning Barriers
The presence and type of warning barrier expected within the area of subsurface works can be found in
the SCR. In some locations, such as beneath heritage buildings where hardstand is present, warning
barriers may not be present at all.
The following measures should be implemented in penetrating warning barriers at the site:
Excavation within a notional distance of 0.3m shall be conducted by hand to minimise the risk of
warning barrier damage and cross-contamination of clean fill.
Warning barriers shall be carefully cut and set aside from the work area for later reinstatement.
Where the warning barrier is highly weathered or otherwise unsuitable for reinstatement, a
replacement warning barrier product of similar composition shall be used to reinstate the excavation.
7.2.8 Contaminated Soil Excavation and Stockpiling
The following minimum requirements apply to the excavation and stockpiling of contaminated soils:
Contaminated soil stockpiles should be temporary in nature only.
Contaminated soil should be stockpiled on hardstand or an impermeable liner, such as high density
polyethylene (HDPE).
Contaminated soil stockpiles should be signed (clearly labelling it as contaminated soil).
Contaminated soil stockpiles be covered and/or wet down to minimise dust generation. Note, over
water spraying of stockpiles may lead to contaminated leachate run-off and therefore water spraying
must be applied in a carefully regulated manner.
Contaminated soil surplus to site requirements shall follow the correct waste disposal procedures, as
detailed in Section 7.3.4.
Where disturbance of contaminated soil identified in the SCR as being volatile in nature, such as
petroleum hydrocarbons and chlorinated hydrocarbons or contain asbestos, is proposed, the following
additional measures shall apply:
Environmental advice shall be sought from the approved Environmental Consultant with regard to
requirements for public air quality monitoring with consideration to the scope and location of
subsurface works.
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Contaminated soil stockpiles shall be bunded to protect against any leachate run-off.
Contaminated soil stockpiles shall be placed away from any nearby sensitive land uses and
preferably down-wind of such land uses to the extent practical.
7.2.9 Excavation Reinstatement
Reinstatement of Warning Barriers and Clean Fill Cover
Once works in the impacted soils have been completed, the warning barrier and any clean fill cover
shall be completely restored to original levels and the work area left clean. Contaminated soil may only
be reinstated below the warning barrier where there are no underground utilities present, as described
in Section 7.2.10. Note specific warning barrier repair methodologies may apply depending on the type
of warning barrier and therefore warning barrier product information sheets, contained within the SCR,
should be referred to accordingly. Any changes to the nature and extent of the warning barrier shall be
noted and surveyed and the SCR updated accordingly.
NOTE: At no stage shall soil material from below warning barriers be used as clean fill cover in
reinstating excavations. If contaminated soil is penetrated that is surplus to backfill
requirements or cannot be reinstated for other reasons then the soil must be disposed in the
correct manner prescribed in Section 7.3.4 and certified clean fill should be used to backfill the
hole.
Reinstatement of Physical Barriers
The following measures apply to the reinstatement of physical barriers:
Where contaminated soil exists directly beneath physical barriers, such as concrete floors beneath
heritage buildings, subsurface works shall be considered complete only when the physical barrier is
reinstated.
All equipment that has been in contact with waste fill should be washed down prior to leaving the site
and the sediments disposed of in accordance with waste disposal procedures (Section 7.3.4).
When subsurface works are complete and the area reinstated, the reinstated area shall be checked
and approved by the Site Owner.
7.2.10 Installation or Maintenance of Underground Utilities
Where the purpose of subsurface works is to install an underground utility and the proposed method of
installation is trenching, the utility shall be laid in clean fill to limit any long-term repeated disturbance of
contaminated soil. In addition to excavation procedures listed above, the following earthworks shall be
undertaken to accommodate new underground utilities:
The utility trench shall be boxed out so that at least 0.5m of separation exists between the utility and
any contaminated soil.
All contaminated soil surfaces within the utility trench shall be lined with a warning barrier to
demarcate the presence of contaminated soil.
Prior to backfill, the altered nature and extent of the warning barrier and contaminated soil shall be
surveyed and the SCR updated accordingly.
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The utility trench shall be backfilled with certified clean fill to the finished level.
It is possible that the excavation of contaminated soil around new utilities may locally remove
contaminated soil in which case the need to install a warning barrier would become obsolete. Where it
is believed that contamination has been locally remediated, the approved Environmental Consultant
must confirm this is the case through an inspection of the excavation and the collection and analysis of
validation samples where this is deemed appropriate.
7.2.11 Horizontal Boring or Other Subsurface Disturbance
Depending on the nature of the work and site constraints, the Approved Contractor may choose to
undertake horizontal boring or other methodologies less intrusive than open excavations. It is possible
that these methodologies will similarly disturb contaminated soil, particularly where contamination is
present at depth, such as the Southern Embankment waste fill deposits but other site examples may
also exist.
Surplus soil generated from horizontal boring should be treated as contaminated until verified as
otherwise by the approved Environmental Consultant through site inspection and stockpile validation
where necessary.
7.3 Temporary Cyclone Fencing
Cyclone fencing has been installed at some locations at the site as a temporary physical barrier to
residual contaminated soil where it was not practical to complete remediation as part of the main
remediation contract. Remediation of these areas will be complete as part of future site civil work
including the installation of underground utilities.
Consistent environmental conditions under Ministerial Statement 742 the following methodology applies
to remediation of residual contaminated soil present at the surface:
1. Residual contaminated soil is capped with geomesh warning barrier such as Enkagrid Max 30,
Secugrid, or similar.
2. A minimum of 0.5m of clean fill cover is to be installed over geomesh (1.0m thickness for
sensitive landuse scenarios such as residential), to the extent practicable with hardstand or
equivalent treatment where this thickness cannot be achieved.
3. The above to be verified through the production of as-constructed diagrams and an inspection
by a qualified environmental consultant.
4. Remove cyclone fencing.
Subsurface access procedures (Section 7.2) and environmental management measures (Section 7.4)
also apply and should be referred to in performing the above works.
7.4 Environmental Management Measures
7.4.1 Dust and Air Quality Control
Dust control should act to minimise dust creation and its movement off site. For the purpose of dust
control the following measures should be implemented:
Wetting down soils where safe to do so.
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Wetting down and/or coverage of temporary contaminated soil stockpiles.
Dust stabilisation products, such as hydromulch, should be considered where wetting down is
unsafe and stockpile coverage is impractical.
Monitoring meteorological conditions and halting works if adverse weather conditions are predicted.
The placement of wind barriers depending on the scale and duration of subsurface disturbance.
Public air quality monitoring has not been recommended as a minimum requirement to document
adequate dust management during subsurface disturbance works however may be necessary under
certain scenarios. Examples of scenarios where the implementation of a public air monitoring program
should be considered in consultation with the approved Environmental Consultant include, but are not
necessarily limited to, the following:
The scope of subsurface disturbance is deemed significant, requires the preparation of an EMP and
is expected to last several days.
The subsurface works will disturb contaminated material that has the potential to pose health
impacts at relatively low concentrations such as soil impacted by volatile contaminants or asbestos
containing fill.
Where there is community concern relating to the works.
7.4.2 Groundwater and Surface Water Management
NOTE: Groundwater shall not be abstracted unless abstraction is necessary to complete the
subsurface works. So as to minimise the potential for interference of groundwater
contamination plumes and the volume of groundwater effluent requiring management,
groundwater should be removed from excavations using open-sump pumping (or other passive
techniques) only.
Measures that should be implemented where management of groundwater is necessary are
summarised below. Many of the measures are technical in nature and it is expected that the approved
Environmental Consultant will be appointed to oversee groundwater dewatering works.
Should active water table drawdown be necessary to be complete subsurface works, a Dewatering
Management Plan shall be prepared to reflect site-specific risks and be tailored to the nature of the
tasks to be performed.
Groundwater should be treated as contaminated and characterised using existing groundwater
analytical data and/or through the collection and analysis of additional groundwater samples for the
applicable COPCs in consideration to the SCR and previous environmental investigation reports
(Section 3.1) by the approved Environmental Consultant.
Unless groundwater is characterised prior to abstraction and assessed as suitable for on-site re-
infiltration, groundwater effluent should be contained within a vessel, lined bund or similar until
groundwater effluent samples are collected and analysed.
Depending on the nature and magnitude of groundwater contamination and any site constraints the
following groundwater disposal approaches should be considered:
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Re-infiltration on site where groundwater contaminant concentrations comply with relevant
assessment criteria, such as the ANZECC (2000) Irrigation Short-Term Trigger Values (STVs) and
groundwater effluent discharge can be contained on site, as assessed by the approved
Environmental Consultant.
Disposal to sewer (with approval by relevant authorities including Water Corporation).
Off-site disposal via Liquid Waste Contractors.
NOTE: Unless express authorisation is granted by the DEC and Swan River Trust (SRT), under
no circumstances shall groundwater effluent be discharged into the stormwater network, which
ultimately discharges into the Helena River floodplain.
7.4.3 Stormwater Management
Stormwater on site should be directed away from work areas to minimise the potential for contaminated
soil to become entrained into the stormwater system. Silt filters and traps may need to be considered
around stormwater grates where the work area is within close vicinity.
7.4.4 Waste Management
Excavated contaminated soil that surplus to site requirements or cannot otherwise be reused shall be
disposed off site at facility licensed to receive such waste. Material shall be classified according to the
DEC (2009) Landfill Waste Classification and Definitions by the approved Environmental Consultant
using existing analytical data where this is available or through the collection and analysis of ex-situ
samples for the applicable COPCs in consideration to the SCR and previous environmental
investigation reports (Section 3.1).
7.4.5 Asbestos Waste Management
No asbestos dumps are known to exist on site. Therefore, any asbestos that remains on site is likely to
be in the form of fragmented asbestos containing material (ACM) such as asbestos-cement sheeting, or
as free asbestos fibres. The presence of asbestos in the subsurface at the site is commonly linked to
the presence of waste fill with the significant waste-fill deposits that comprise the Southern
Embankment the primary, but not necessarily the only, site location of asbestos.
In addition to the management measures prescribed for the excavation and stockpile of contaminated
soil (Section 7.2.8) and the waste management measures prescribed above, the following measures
apply to the management of asbestos containing waste:
Where ACM that is distinct from waste fill is encountered, the ACM shall be removed intact,
minimising breakage. Should breakage occur, all fragments are to be collected for disposal.
Unnecessary breaking of ACM shall not be permitted. The ACM shall be placed by hand into plastic
bags that are impermeable to asbestos dust in accordance with the Landfill Waste Classifications
and Definitions (DEC, 2009). The bags will be appropriately signed according to Safety Signs for
the Occupational Environment (Standards Australia, 1994) and placed into leak proof containers.
Whilst unlikely, where fibrous asbestos is encountered that is distinct from waste fill, the removal of
fibrous asbestos must be conducted by a licensed asbestos removalist, under the authority and with
the involvement of Worksafe WA who will determine the appropriate PPE.
Subsurface Management Plan
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Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
26
ACM will be disposed off site to a landfill licensed to accept asbestos wastes in accordance with the
Landfill Waste Classifications and Definitions (DEC, 2009).
It is expected that contingency measures prescribed in Section 8 would apply in the instance that
distinct deposits of ACM of fibrous asbestos is encountered during subsurface works.
7.4.6 Noise and Vibration Management
In order to minimise any disturbance to adjacent land users, the following noise and vibration
management measures should be implemented:
Earthmoving machinery should be operated during daylight hours only.
Earthmoving machinery should be maintained in good working order with effective silencers where
applicable.
In consultation with a Civil Engineer experienced in the protection of heritage buildings, specific
vibration management measures should be considered where mechanical subsurface works are
proposed within close vicinity of heritage buildings.
7.4.7 Traffic Management
Where off-site disposal of contaminated soil requiring multiple trips is envisaged, a Traffic Management
Plan should be prepared to minimise any inconvenience or potential risk to other road users and local
residents. The Traffic Management Plan should amongst other considerations, nominate haulage
routes, any particular traffic management controls and given contaminated soil is being carted,
consideration of street sweeping requirements, wash-down bays and covering of loads.
7.4.8 Community Consultation
Subsurface disturbance of contaminated soil and/or groundwater has the potential disrupt nearby
tenants and therefore the following community consultation measures shall be implemented:
Nearby tenants shall be made aware of the subsurface works and any particular precautions that are
in place.
Works shall be implemented in a manner that minimises disruption to the community.
Adequate information shall be made available by the Site Owner to concerned parties about the
nature of works, the presence of contamination, and measures in place to complete the works
safely.
Community complaints shall be formally documented and responded to in a timely fashion.
Subsurface Management Plan
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Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
27
8 CONTINGENCIES
Whilst with the careful implementation of subsurface control measures outlined in this SMP,
environmental incidents are unlikely to occur, environmental incident response measures have been
defined should any incidents arise. The minimum environmental incident response measures are
summarised in Table I. Additional corrective actions may be necessary depending on the exact nature
of the incident.
An example Environmental Incident and Hazard Form that could be used to document an incident is
provided in Appendix E.
TABLE I
ENVIRONMENTAL INCIDENT RESPONSE MEASURES
Incident Response
Unregistered subsurface disturbance occurs 1. Stop work immediately. Identify location of work relative
to site contamination documented in the SCR.
2. Where the SMP control measures are confirmed as
applicable, ensure such control measures are
implemented prior to proceeding with works.
3. Document the unregistered subsurface disturbance
through the completion of an Environmental Incident
Form and identify and rectify root cause factors.
4. Notify the approved Environmental Consultant.
Identification of unexpected contamination or type
of contamination
1. Stop work immediately. Identify location of work relative
to site contamination documented in the SCR and
confirm the inconsistency.
2. Where subsurface conditions are found to be
inconsistent with the SCR, obtain advice from the
approved Environmental Consultant prior to proceeding
with works.
3. Document the subsurface inconsistency through the
completion of an Environmental Incident Form.
Subsurface contamination becomes incidentally
exposed
1. Identify location of subsurface contamination relative to
site contamination documented in the SCR and confirm
the presence of contamination.
2. Engage a Contractor (if deemed necessary) to repair the
area of subsurface contamination in accordance with the
SMP.
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Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
28
TABLE I
ENVIRONMENTAL INCIDENT RESPONSE MEASURES
Incident Response
3. Document the incidental exposure of subsurface
contamination through the completion of an
Environmental Incident Form and notify the approved
Environmental Consultant.
4. An assessment should be undertaken to identify why
subsurface contamination has become exposed and the
root cause rectified.
Non-conformance with SMP control measures 1. Stop work immediately. Confirm worker is aware of the
SMP and its requirements.
2. Ensure worker completes work in accordance with the
SMP or engage an alternative Contractor to complete
works.
3. In consultation with the approved Environmental
Consultant, identify whether additional work is
necessary as a result of the non-conformance.
4. Document the SMP non-conformance through the
completion of an Environmental Incident Form and notify
the approved Environmental Consultant.
5. An assessment should be undertaken to identify why the
SMP non-conformance occurred, depending on which
identify whether SMP improvement is warranted.
Unacceptable site emission/discharge event1 1. Stop work immediately and contain site discharge or
emission where possible.
2. Where the site emission or discharge represents an
immediate and significant environmental hazard,
immediately notify the relevant emergency departments.
3. Document the unacceptable emission/discharge through
the completion of an Environmental Incident Form and
notify the approved Environmental Consultant.
4. An assessment should be undertaken to identify why the
unacceptable site emission/discharge occurred,
depending on which identify whether SMP improvement
is warranted.
Subsurface Management Plan
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Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
29
TABLE I
ENVIRONMENTAL INCIDENT RESPONSE MEASURES
Incident Response
The SMP does not appear to address the type of
work proposed (and associated contamination
risks) or other subsurface restrictions that may
arise.
1. Notify the approved Environmental Consultant for advice
prior to completing the works. Task-specific procedures
may need to be developed and ultimately the SMP may
need to be revised.
Community complaint 1. Document the community complaint through the
completion of an Environmental Incident Form and notify
the approved Environmental Consultant.
2. Investigate the community complaint and whether works
are being completed in accordance with the SMP.
3. An assessment should be undertaken to identify why the
community member(s) was distressed, depending on
which, identify whether SMP improvement is warranted.
1: Examples of an unacceptable discharge or emission at this site may include discharge of groundwater effluent or entrainment of
contaminated soil into the stormwater network, visible dust extending beyond site boundaries, uncontrolled off -site disposal of contaminated soil, or an unacceptable discharge or emission determined by other qualitative and/or quantitative means.
Subsurface Management Plan
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Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
30
9 PERFORMANCE MONITORING AND REPORTING
The following minimum performance monitoring and reporting mechanisms should be implemented at
the site indefinitely:
A log book shall be maintained by the Site Owner or the Site Owner’s representative documenting
tenant notifications, registration/induction of workers conducting subsurface works and any
subsurface disturbance works that take place.
All subsurface disturbance works shall be inspected by the tenant and/or Site Owner to ensure site
workers are implemented in accordance with the SMP control measures. In particular, the
excavation shall be inspected prior to backfill to ensure correct reinstatement of warning barriers,
clean fill cover and other physical barriers, as applicable.
The SCR shall be updated to reflect any changes in the nature and extent of contamination in the
subsurface and associated physical barriers.
All waste management documentation which may include for example waste transfer dockets,
landfill receipts and groundwater effluent disposal receipts, shall be reviewed for completeness and
consistency and retained on file.
All environmental sampling and monitoring works, as applicable, shall be formally documented by
the approved Environmental Consultant and are report provided to the Site Owner and other
stakeholders deemed relevant.
Where an environmental incident occurs, an Environmental Incident and Hazard Form shall be
completed and retained. Each incident should be investigated and where the control measures
defined in the SMP are found to be inadequate or no longer appropriate, the SMP shall be revised
by the approved Environmental Consultant.
The suitability and performance of the SMP against the nominated KPIs should be initially reviewed
after a period of no more than five years following implementation by the approved Environmental
Consultant. The SMP may be revised earlier than this date for example where the SMP is found to
not adequately address site conditions.
The SMP shall be made publically available by the Site Owner. As the Site Owner current at the time
of SMP preparation, the Metropolitan RA intends to make the SMP together with the SCR publically
available by posting these documents on its website (http://www.mra.wa.gov.au/).
It is acknowledged that the SMP and SCR were prepared for the broader Helena East Precinct as one
element of site management and reclassification under the Contaminated Sites Act 2003, and that
many of the constraint types and associated processes will not apply to individual lots following
formalisation of site subdivision. In this regard, it may be prudent but not essential for lot-specific ‘fact
sheets’ to be prepared that specifically address the applicability of the SMP and SCR to the lot.
Subsurface Management Plan
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Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
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10 REFERENCES
ANZECC (2000) Australian Water Quality Guidelines for Fresh and Marine Water Quality, Australian
and New Zealand Environment and Conservation Council, Canberra.
ATA (2006) Helena East Precinct Remediation and Redevelopment: Public Environmental Review,
Report No. 2005/142, ATA Environmental (ATA), Perth.
BBG (1994) Midland Railway Workshops Site, Environmental Audit. Bowman Bishaw Gorham (BBG),
Perth.
BBG (1995) Midland Railway Workshops Site Contaminant Migration Study. Report R14185. Bowman
Bishaw Gorham.
CMPS&F (1995) Midland Railway Workshops. Assessment of Contamination and its Implications.
July, 1995.
CMPS&F (1996) Environmental Investigations: Midland Railway Workshops. December, 1996.
Coffey Environments (2009a) Remediation and Validation Report, Part of Helena East Precinct
(Part 1), Former Railway Workshops, Midland. Coffey Environments, Perth. Prepared for the Midland
Redevelopment Authority. Report No. 2008/172, V1, 30 July 2009.
Coffey Environments (2009b) Dissolved Chlorinated Hydrocarbon Plume Investigation. Coffey
Environments, Perth. Prepared for the Midland Redevelopment Authority. Report No. 2007/273, V3,
30 October 2009.
Coffey Environments (2010a) Pre-Remediation Health Risk Assessment, Helena East Precinct,
Former Midland Railway Workshops. Coffey Environments, Perth. Prepared for the Midland
Redevelopment Authority. Report No. EP2008/140, V3, 3 December 2010.
Coffey Environments (2010b) Health Risk Assessment - Block 2 and Block 3, Helena East Precinct,
Former Midland Railway Workshops, Midland, Western Australia. Coffey Environments, Perth.
Prepared for the Midland Redevelopment Authority. Report No. EP2010/114, V2, 2 November 2010.
Coffey Environments (2011a) Post Remediation – Dissolved Chlorinated Hydrocarbon Plume
Investigation, Helena East Precinct, Former Midland Railway Workshops. Coffey Environments, Perth.
Prepared for the Midland Redevelopment Authority. Report No. EP2011/127, V1, 9 September 2011.
Coffey Environments (2011b) Post Remediation Groundwater Contaminant Fate and Transport
Assessment, Helena East Precinct, Former Midland Railway Workshops, Western Australia. Version 1,
August 2011. Report No: EP2011/122, V1.
Coffey Environments (2011c) Soil Vapour Investigation Results (March 2011), Helena East Precinct,
Former Midland Railway Workshops, Midland, Western Australia. Letter report prepared for:
Environmental Resources Management, 3 June 2011.
Coffey Environments (2011d) Post-Remediation Health Risk Assessment, Helena East Precinct,
Former Midland Railway Workshops. Coffey Environments, Perth. Prepared for the Midland
Redevelopment Authority. Report No. EP2011/117, V2, December 2011.
Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
32
Coffey Environments (2011e) Remediation and Validation Report, Part of Helena East Precinct
(Part 2), Former Railway Workshops, Midland. Coffey Environments, Perth. Prepared for the Midland
Redevelopment Authority. Report No. 2010/065, V2, 2 February 2011.
Coffey Environments (2011f) Remediation and Validation Report, Part of Helena East Precinct
(Part 3), Former Railway Workshops, Midland. Coffey Environments, Perth. Prepared for the Midland
Redevelopment Authority. Report No. 2011/166, V1, 20 October 2011.
Coffey Environments (2012) Subsurface Constraints Register, Helena East Precinct, Former Midland
Railway Workshops (Version 5). Coffey Environments, Perth. Prepared for the Midland Redevelopment
Authority. Report No. EP2009/151, V5 13 July 2012.
Crisalis (2007) Investigation of Volatile Organic Compounds in Soil Vapour and Atmosphere in Areas
of Known Soil Contamination at Helena East Precinct, Midland Railway Workshops, Crisalis
International (Crisalis), Perth.
DEC (2010) Assessment Levels for Soil, Sediment and Water. Contaminated Sites Management
Series, Department of Environment and Conservation (DEC), Perth.
DEC (2009) Landfill Waste Classification and Definitions 1996 (as amended), Department of
Environment and Conservation (DEC), Perth.
ENV (2002) Detailed Site Investigations/Helena Precinct Waste Fill, Midland Railway Workshops
Volume 1. ENV. Australia (ENV), Perth.
ENV (2003) Hydrogeological Investigation Helena West, Midland Railway Workshops, ENV Australia
(ENV), Perth.
ENV (2004) Environmental Investigations in Support of Referral Helena East, Midland Railway
Workshops Site, ENV Australia (ENV), Perth.
Standards Australia (1994) Safety Signs for the Occupational Environment, AS 1319-1994.
Subsurface Management Plan
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Coffey Environments ENVIPERT00147AA_Management Plans_ 013_JL_V3 16 July 2012
33
11 STATEMENT OF LIMITATIONS
(please refer over the page)
Figures Subsurface Management Plan
Helena East Precinct Former Midland Railway Workshops
1414
1414
13131212
11111010
10101111
1212
1313
1414
99
88
77
66
55
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77
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601
602602604
605
606
607607 608608
640640641
642
643
644
645
646
6476488 649649
650650
651651
652652
653653
654654
655655
656656657657
658658659659660660
661661
662662
663663664664 665665
666666
667667
668668
670670
671671
672672
673673
674674
675675
676676
677677
678678
679679
680680
681681
682682
683683
684684
685685
686686
687687
688688
705705
80048004
8007800780118011
80148014
80088008
SECTOR 13SECTOR 13
SECTOR 10ASECTOR 10A
SECTOR 10DSECTOR 10DSECTOR 10BSECTOR 10B
SECTOR 10CSECTOR 10C
SECTOR 10ESECTOR 10E
Boiler ShopBoiler Shop
Black Smith Shop
Black Smith Shop
Tool RoomTool Room
Machine Shop
Machine ShopFitting ShopFitting ShopDiesel Shop
Diesel Shop
TarpaulinTarpaulinShopShop
PowerPowerHouse
House
PatternPatternStoreStore Pattern
PatternShopShop
Element Shop
Element Shop
BLOCK 1BLOCK 1
BLOCK 2BLOCK 2
BLOCK 3BLOCK 3
Main StoreMain Store
RailwayRailwayInstitute
Institute
Gate KeepersGate KeepersOfficeOffice
Time KeepersTime KeepersOfficeOffice
BoilerBoilerHouse/
House/CopperCopperShopShop
AmbulanceAmbulanceBuildingBuilding
AmbulanceAmbulanceGarageGarage
AirAirCompressorsCompressors
Chief Mechanical
Chief MechanicalEngineers Building
Engineers Building
OilOilStoreStore
Weigh Bridge
Weigh Bridge
FoundryFoundry
HELENA WESTHELENA WEST
HELENA EASTHELENA EAST
AREA EAREA E
HELENA STHELENA STEXTENSIONEXTENSION
EXTENT OF SOUTHERNEXTENT OF SOUTHERNEMBANKMENTEMBANKMENT
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703703
704704
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699699
700700
701701
702702
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695695
694694
693693
692692
691691
690690
80168016
80158015801801
802802
803803
804804
806806
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80108010
755755
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737737
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741741
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744744
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926926
927927
928928
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900900901901
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904904905905
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912912913913
914914915915
916916917917918918
919919920920 921921
922922923923
924924 925925
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Midland Redevelopment Authority Boundary
Helena East Area Boundary
Cadastral Boundary
Topographic Contour (mAHD)HelenaHelena
SITE LOCALITY PLANFIGURE 1
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BASE SOURCE: McMULLEN & NOLAN, Dwg No. 92498-191, Jul 2011.BASE SOURCE: McMULLEN & NOLAN, Dwg No. 92498-191, Jul 2011.AERIAL PHOTO SOURCE: NearMap, flown July 2011.AERIAL PHOTO SOURCE: NearMap, flown July 2011.
SUBSURFACE MANAGEMENT PLAN, HELENA EAST PRECINCTFORMER MIDLAND RAILWAY WORKSHOPS
REGIONAL LOCATION
MIDLANDREDEVELOPMENT
AREA
Appendix A DEC Site Summary Form
Subsurface Management Plan Helena East Precinct
Former Midland Railway Workshops
1
Site Summary Form – Contaminated Site Assessment For completion by the person(s) submitting a report(s) to be assessed by the Department of Environment and Conservation (DEC) as per the information requirements of the DEC Reporting on Site Assessments (2001) guideline. Completing this form enables DEC to maintain accurate records for the site.
Please note: A completed site summary form must accompany each report submitted to DEC for assessment. Each box must be filled out appropriately. Please do not write “refer to report” in any section.
Copies of all relevant/current Certificates of Title must accompany this form. Site location details:
Site name (e.g. where site may be known by a common/ business name) Helena East Precinct, Former Railway Workshops, Midland
Lot no. NA House no. NA Street Yelverton Drive
Suburb Midland State WA Postcode 6056
Crown Reserve (if applicable) NA
Certificate(s) of Title (or equivalent) Volume/Folio: Lot 499 on Deposited Plan 66298 [Volume 2750, Folio 696] Lot 500 on Deposited Plan 66298 [Volume 2750, Folio 697] Lot 502 on Deposited Plan 66298 [Volume 2750, Folio 698] Lot 503 on Deposited Plan 66298 [Volume 2750, Folio 699] Lot 669 on Deposited Plan 55478 [Volume 2718, Folio 696] Lot 9011 on Deposited Plan 48323 [Volume LR3156, Folio160] Lot 9014 on Deposited Plan 48737 [Volume 2719, Folio 400] Lot 5003 on Deposited Plan 38765 [Volume 2562, Folio 402] Lot 9502 on Deposited Plan 48323 [Volume 2614, Folio 289] Lot 9503 on Deposited Plan 48323 [Volume 2614, Folio 290]
All Certificates of Title stated above have been provided
Where the subject site comprises of multiple certificates of title, please list all certificates:………………………………
Where substances have migrated beyond the cadastral boundaries of the subject site, please provide the addresses, relevant Certificates of Title documentation and owners details for all offsite properties impacted (includes soil and/or groundwater), as an attachment to this form. Is a hard copy of Certificate of Title and associated sketch for all listed sites attached? (Y/N) Y
WAPC reference no. (where applicable) Current Owner/Occupier details:
Site owner (Name and address) Midland Redevelopment Authority Railway Institute Building Cnr Helena Street and Yelverton Drive Midland WA 6056
Site owner company ACN/ABN 63 790 110 828
Site occupier (name and address) NA
Site occupier company ACN/ABN NA Site status (at time of reporting):
NA
2
Proposed land use (e.g. high density residential/child care facility) Residential (standard/high density)
Public Open Space
Commercial
Mixed Use including Community
Identified substances and relevant media (e.g. benzene in soil and groundwater, xylene in soil only)
Soil:
Metals (As, Ba, Cd, Cr, Cr VI, Cu, Mn, Ni, Pb, Sb, Sn, Hg and Zn)
TPHs, PAHs
Asbestos
Groundwater:
Metals (Al, Cd, Cu, Mn, Ni, Zn, Hg and Sb)
Water quality indicators (NO3, hardness, Cl, SO3 and pH)
Volatile Organic Compounds (1,1-DCE, PCE, MEK, Benzene, VC,
1,1-DCE and PCE)
Asbestos (Y/N) Y Health Risk
Assessment (Y/N) Y Community health concerns identified
(Y/N) N Radiological
issues (Y/N)
N
Air quality issues (Y/N)
N Past/present landfill (Y/N)
N Potential human exposure to identified substances > DEC’s Health Investigation Levels or equivalent (Y/N)
Y Other human health issues (Y/N)
Y
Specify other health issues: Potential vapour inhalation risks to future residential occupants based on theoretical future accumulation and volatilisation of Vinyl Chloride in groundwater. Where ‘yes’ is recorded for at least one of the above categories, please submit two copies of the report(s) (relevant documentation) to DEC for referral to the Department of Health (or Radiological Council, in the case of radiological issues) Are site activities licensed under the Environmental Protection Act 1986? (Y/N) Licence No. N
Where laboratory analysis has been undertaken, is the laboratory NATA accredited for all analytes and analytical methodologies used? (Y/N) (If not, why not?)
N/A
Community Consultation: (as per the DEC’s Community Consultation (December 2006) guideline)
Community consultation program commenced/proposed (Y/N) Y
Are consultation program details (e.g. community consultation plan) provided in attached report (Y/N) N
History of Investigation:
Have previous site investigations been undertaken? (Y/N - if yes, please provide details below) Y
Report title, date and author: Midland Railway Workshops Site Environmental Audit (BBG, 1994);
Midland Railway Workshops Assessment of Contamination and its Implications (CMPS&F, 1995);
Midland Railway Workshops Site Contaminant Migration Study (BBG, 1995);
Environmental Investigations, Midland Railway Workshops (CMPS&F, 1996);
Detailed Site Investigation, Helena Precinct Waste Fill, Midland Railway Workshops (ENV, 2002);
Hydrogeological Investigation, Helena West, Midland Railway Workshops (ENV, 2003);
Environmental Investigations in Support of Referral, Helena East, Midland Railway Workshops Site
3
(ENV, 2004);
Investigation of Volatile Organic Compounds in Soil Vapour and Atmosphere in Areas of Known Soil
Contamination at Helena East Precinct, Midland Railway Workshops (Crisalis, 2007);
Remediation and Validation Report, Part of Helena East Precinct (Part 1), Former Railway Workshops,
Midland (Coffey Environments, 2009a);
Dissolved Chlorinated Hydrocarbon Plume Investigation, Helena East Precinct, Former Midland Railway
Workshops (Coffey Environments, 2009b);
Pre-Remediation Health Risk Assessment, Helena East Precinct, Former Midland Railway Workshops
(Coffey Environments, 2010a);
Health Risk Assessment - Block 2 and Block 3, Helena East Precinct, Former Midland Railway
Workshops (Coffey Environments, 2010b);
Post Remediation – Dissolved Chlorinated Hydrocarbon Plume Investigation, Helena East Precinct,
Former Midland Railway Workshops (Coffey Environments 2011b);
Post Remediation Groundwater Contaminant Fate and Transport Assessment, Helena East Precinct,
Former Midland Railway Workshops (Coffey Environments 2011c);
Soil Vapour Investigation Results (March 2011), Helena East Precinct, Former Midland Railway
Workshops (Coffey Environments 2011d);
Post-Remediation Health Risk Assessment, Helena East Precinct, Former Midland Railway Workshops
(Coffey Environments, 2011e);
Remediation and Validation Report, Part of Helena East Precinct (Part 2), Former Railway Workshops,
Midland (Coffey Environments 2011f); and
Remediation and Validation Report, Part of Helena East Precinct (Part 3), Former Railway Workshops,
Midland (Coffey Environments 2011g).
Declaration:
The information contained in this site summary form is a true representation of the information contained in the attached report(s)/document(s).
Full name (print) Justin Lumsden
Position held Associate Environmental Scientist
Signature Date 5/12/11
Please ensure that a hardcopy of the current Certificate(s) of Title and associated sketch accompanies the site summary form. DEC cannot proceed with the assessment of the report if this information is not provided.
--------------------------------------------------------------------------------------------------------------------- DEC Registrar Only Registrar name: Signature:
CoT verified (Y/N) Owner details verified (Y/N) Complete form (Y/N)
Awaiting Classification (Y/N)
Awaiting Re-Classification (Y/N)
4
Incomplete Form (Y/N)
LWQB Assessment Officer:
Comments/Actions:
Date of data entry:
--------------------------------------------------------------------------------------------------------------------
Appendix B Certificates of Title
Subsurface Management Plan Helena East Precinct
Former Midland Railway Workshops
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Aug 25 10:09:58 2009 JOB 32815135
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Aug 25 10:09:58 2009 JOB 32815135
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Aug 25 10:01:35 2009 JOB 32814996
LANDGATE COPY OF ORIGINAL NOT TO SCALE Thu Aug 26 10:28:55 2010 JOB 35103317
LANDGATE COPY OF ORIGINAL NOT TO SCALE Thu Aug 26 10:27:54 2010 JOB 35103264
LANDGATE COPY OF ORIGINAL NOT TO SCALE Thu Aug 26 10:20:24 2010 JOB 35103111
LANDGATE COPY OF ORIGINAL NOT TO SCALE Thu Aug 26 10:15:53 2010 JOB 35103020
LANDGATE COPY OF ORIGINAL NOT TO SCALE Fri Jul 30 16:49:13 2010 JOB 34940499
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:15 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:16 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:16 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:15 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:16 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:16 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:15 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:15 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:15 2008 JOB 31236807
LANDGATE COPY OF ORIGINAL NOT TO SCALE Tue Nov 4 08:23:16 2008 JOB 31236807
TYPE
PURPOSE
PLAN OF
DISTRICT TOWNSITE
LOCALITY
LOCAL AUTHORITY
INDEX SCALE:
LODGEDDATE
FEE PAID
ASSESS No.I.S.C.
SUBJECT TO
DEPOSITED PLAN
FREEHOLD
MIDLAND
ALL DISTANCES ARE IN METRES
1 11
SUBJECT PURPOSE STATUTORY REFERENCE ORIGIN LAND BURDENED BENEFIT TO COMMENTS
INTERESTS AND NOTIFICATIONS
S.S.A.
LEGALCOMPONENT
CERTIFIEDCORRECT
FULL AUDIT
F.S.C. 66298SHEET OF SHEETS
REG26A (4)
YES
FORMER TENURE
ON
FIELD BOOK
IN ORDER FOR DEALINGS
APPROVED
750 at A21 :
DOCKETPLAN
TYPE OF VALIDATION
DATE
DATEINSPECTOR OF PLANS & SURVEYS / AUTHORIZED LAND OFFICER
For INSPECTOR OF PLANS & SURVEYS / AUTHORIZED LAND OFFICER
I
SURVEYOR'S CERTIFICATEReg 54
Licensed Surveyor Date
SEE SMARTPLAN
ALL BOUNDARY / CORNER SURVEY MARKSSHOWN ON THIS SHEET ARE INDICATIVE ONLY.
USE ONLY THE SURVEY SHEET/S WHEN DETERMININGTHE TRUE FINAL POSITION AND TYPE OF ALL SURVEY
MARKS PLACED PERTAINING TO THIS PLAN.
SURVEY CARRIED OUT UNDER REG 26ASPECIAL SURVEY AREA GUIDELINES
SEE SHEETS FOR SURVEY INFORMATION
hereby certify that this plan is accurate and is acorrect representation of the - (a) *survey; and/or (b) *calculations from measurements, [*delete if inapplicable]undertaken for the purposes of this plan and that itcomplies with the relevant written law(s) in relationto which it is lodged.
AMENDMENT DATE
AMENDMENTS TABLEVERSION AUTHORISED BY
VERSION
D.P.I. FILE No.
PO Box 3526, Success, W.A. 6964Telephone: (08) 6436 1599Facsimile: (08) 6436 1500
Email: info@mapsurvey.com.au
SUBDIVISIONScott J. ANDERSON
SWAN
CITY OF SWAN
LOT 5003 ONDP 38765
C/T 2562/402
MAPS Ref : 92498dp-538fSector 13
DP66298.CSD
N
0 6015
ALL DISTANCES ARE IN METRES
SCALE 1 : 750 @ A2
FILE
DATEHon. MINISTER for PLANNING and INFRASTRUCTURE
APPROVED BY Hon. MINISTER for PLANNING and INFRASTRUCTUREunder Sec. 20(7) of the Midland Redevelopment Act
SU001290977
27.2
36
2
30.8
64
33.1
93
26.8
96
34.6
36
8.19
3
6.51
51.31
55.2
41.49
12.75
29.9
146.727
71.39
12.611
69.4
41.96
23.015
30.5
47
28
90°
84°20'39"
269°49'90°
89°46'57"
90°
90°
89°46'57"
90°
90°13'3"
90°
177°
17'3
3" 90°15'32
"
179°
23'5
8"
92°3'56"
4992271m²
5001449m²
502
5032314m²
R502 SEC 136C OF THE T.L.A. LOT 502 LOT 499
2.6
13.806
95°37'17"
270°
(42.65)
(96.69)
(328.128)
(147.65)
(60.816)
YELVERTON
DRIVE
15300
90°15'32
"
515DP 50077
DP 38765
~ 47684
15202DP 41364
~ 46210
270°
CENT
ENNI
AL P
LACE
SEC 70A OF THE T.L.A.NOTIFICATION THIS PLAN (RAIL NOISE)
SEC 70A OF THE T.L.A.NOTIFICATION THIS PLAN (AIRCRAFT NOISE)
10.1
90° 790°
10.1
12.75
90°
(42.65)
33.1
93
29.9
499502
90°
7
ENLARGEMENT 'A'Not to scale
SEE ENLG. 'A'
R502
RIGHT OF CARRIAGEWAY
YELVERTON DRIVE
THIS PLAN
136°19'59"
43°40'1"9.505
136°19'59"
9026881m²
3
3
92°3'56"
90°15'32" 3
3.002
30.6
69
8 LOT 9026
EASEMENT(Drainage)
SEC 167 OF THE P.& D. ACTREG 33 (a) THIS PLAN LOT 502
EASEMENT(Underground Electrical) SEC 27A. REG 8. T.P & D. ACT. WESTERN POWER
CORPORATIONDP 38765
8
10.91110.9
90°270°
90°13'3"
CITY OF SWAN
33a
33a
ALL LOTSEXCEPT 9026
ALL LOTSEXCEPT 9026
133.844
5095m²
5.3
5.3
5.9 270°
270°
5.990°
90°
33c60.844
89°46
'57"
SEE ENLG. 'B'
89°46
'57"
3
90°
34.6
36
270°
33.01113.806
503502
3
YELVERTON DRIVE
33b133.844(147.65)
ENLARGEMENT 'B'Not to scale
THIS PLAN LOT 50333b EASEMENT(Sewerage)
THIS PLAN LOT 50233c EASEMENT(Electricity Supply)
SEC 167 OF THE P.& D. ACTREG 33 (c)
ELECTRICITY NETWORKSCORPORATION
LOTS 499, 500, 502, 503, 9026, ROAD AND EASEMENTS
33b
WATER CORPORATIONSEC 167 OF THE P.& D. ACTREG 33 (b)
90°13'3"
FINAL
36.2
95
28.2
49
29.0
28
5.195
16.688
77
146.925
4.25
49.326
58.135
42.475
46.3
35.03611.081
73.068
4.25
6.637
41.893
36.785
29°28'51"
156°52'10"
169°
55'3
6"19
3°46
'43"
243°
7' 117°51'44"
90°
90°
70°47'56"
6691323m²
6017046m²
9.295
TYPE
PURPOSE
PLAN OF
DISTRICT
DOLA FILE
TOWNSITE
LOCALITY
LOCAL AUTHORITY
INDEX SCALE:
LODGEDDATE
FEE PAID
ASSESS No.I.S.C.
SUBJECT TO
DEPOSITED PLAN
FREEHOLDALL DISTANCES ARE IN METRES
1 11 1
SU0011
ED/VER AMENDMENT BY DATESIGNATURE
SUBJECT PURPOSE STATUTORY REFERENCE ORIGIN LAND BURDENED BENEFIT TO COMMENTS
INTERESTS AND NOTIFICATIONS
AMENDMENTS TABLE
S.S.A.
LEGALCOMPONENT
CERTIFIEDCORRECT
FULL AUDIT
F.S.C. 55478
EDITION VERSION
SHEET OF SHEETSREG26A (4)
YES
UNLODGED VERSION
FORMER TENURE
ON
FIELD BOOK
IN ORDER FOR DEALINGS
APPROVED
1000 at A21 :
DOCKETPLAN
TYPE OF VALIDATION
DATE
DATEINSPECTOR OF PLANS & SURVEYS / AUTHORIZED LAND OFFICER
For INSPECTOR OF PLANS & SURVEYS / AUTHORIZED LAND OFFICER
I
SURVEYOR'S CERTIFICATEReg 54
William S. GUEST
Licensed Surveyor Date
SEE SMARTPLAN
ALL BOUNDARY / CORNER SURVEY MARKSSHOWN ON THIS SHEET ARE INDICATIVE ONLY.
USE ONLY THE SURVEY SHEET/S WHEN DETERMININGTHE TRUE FINAL POSITION AND TYPE OF ALL SURVEY
MARKS PLACED PERTAINING TO THIS PLAN.
SURVEY CARRIED OUT UNDER REG 26ASPECIAL SURVEY AREA GUIDELINES
SEE SHEETS FOR SURVEY INFORMATION
hereby certify that this plan is accurate and is acorrect representation of the - (a) *survey; and/or (b) *calculations from measurements, [*delete if inapplicable]undertaken for the purposes of this plan and that itcomplies with the relevant written law(s) in relationto which it is lodged.PO Box 117, South Perth WA 6951
Telephone: (08) 6436 1599Facsimile: (08) 6436 1500
Email: maps@mapsurvey.com.au
HEBELANE
AMHERST
ROAD
~4770315577DP 41641 ~46210
15202DP 41364
602DP 50641
~4768415299DP 38765
DP 4136415202
~46210
28.2
49
35.036
11.081
89°24'45"
5.18
1
89°48'43"
33.438
23.4
33
93°18'10"
15299
YELVERTON DRIVEDP 38765
DP 38765
DP 41364
~4621015202
H1
~47684
29.0
28
46.3
89°37'27"
90°
90°58'
45"
6691323m²
180°
0'57
"
94°5'38"
ENLARGEMENT 'E'NOT TO SCALE
H2
SEE ENLG'E'
225°141°21'2"
184°
41'3
"
225°
225°
71°46'40"
H2
YELVERTON DRIVE
SUBDIVISION
H1 MEMORIAL SEC 56(1)HERITAGE of WA Act 1990 HERITAGE COUNCIL of WA
H2 MEMORIAL SEC 56(1)HERITAGE of WA Act 1990
LOT 669
HERITAGE COUNCIL of WA
DOC I242012
DOC I241998
NOTIFICATION SEC 70A OF THE T. L. A. DOC Aircraft Noise
SWAN
CITY OF SWAN
90977
LOT 9018 ONDP 50641
C.T 2631/77
FILE
DATEHon. MINISTER for PLANNING and INFRASTRUCTURE
APPROVED BY Hon. MINISTER for PLANNING and INFRASTRUCTUREunder Sec. 20(7) of the Midland Redevelopment Act
N
0 8020
ALL DISTANCES ARE IN METRES
SCALE 1 : 1000 @ A2
LOT 669
LOTS 601, 669
YELVERTON DRIVE
LOTS 601 AND 669
RESERVE FORRECREATION
LOT 601 RESERVE FOR RECREATION VESTS IN THE CROWN UNDERSEC 152 OF THE P & D ACT THIS PLAN
MAPS Ref : 92498dp-414aDP55478.CSD
FINALWOODBRIDGE/MIDLAND
Appendix C Subdivision Cadastral Plan
Subsurface Management Plan Helena East Precinct
Former Midland Railway Workshops
PO Box 117South PerthWA 6951Australia
Tel: (08) 9474 1099Fax: (08) 9474 1093maps@mapsurvey.com.auwww.mapsurvey.com.au
McMullen Nolan andPartners Surveyors Pty LtdABN 90 009 363 311
Description Drawn Date CheckedRev.
Scale 1 : 1000 @ A1
PCGDatum
Drawn
Job No.
Date
Drawing
Revision
0 8020
ALL DISTANCES ARE IN METRES
SCALE 1 : 1000 @ A1 - 1 : 2000 @ A3
NORTH
The contents of this plan are
current and correct as of the
date stated within the revision
panel. All consultants and persons
wishing to utilise this data should
satisfy themselves of this plans
currency by contacting
McMullen Nolan and Partners Surveyors.
Suite 11,2 Hardy StSouth PerthW.A. 6151
18/3/2004
92498
92498-191
FILESmapCOGO:- precal8-10&13Ustation:- 92498pr-191ar
AR
8025
SECTORS 10A, 10B, 10C, 10D, 10E & 13MIDLAND REDEVELOPMENT
Midland Redevelopment Authority
15202
15202
707
709708
703
704
698
699
700
701
702
696
695
694
693
692
691
690
Jennifer Mann
Scott AndersonProj. Mngr.
8016
8015
QualityAssuredCompany
A1
ORIGINAL
ROAD 18 ROAD
18
ROAD
26
ROAD
ROAD 21
ROAD 21
ROAD
21
ROAD 21
ROAD 32
ROAD 19
ROAD 30
HELE
NAST
R EET
ROAD
20
ROAD 28
ROAD
2
ROAD
22(15m)
(23m
)
(30m
)
(16m)
(15m)
(14m
)
(10.5m)
(15m)
(15m)
(14m
)
(15m)
(11m
)(1
6m)
(11m
)(1
3m)
(6.01m)
(15m)
(13m) (13.5m)
(14.
5m)
ROAD
22
(13m
)
27(6.01m)
FOUNDRY ROAD
YELVERTON DRIVE
PLACE
CENT
ENNI
AL
R OAD
3 3(2
8m)
(14m)(11.5m)(13.301m)(9m)(11.1m) (9m) (11.1m)
(13m)ROAD 21
Land Survey Hydrographic Survey 3D Laser Scanning 3D VisualisationMapping Solid Terrain Models Cartographics GIS
All areas and dimensions depictedon this plan are subject to
survey and Landgate registration
A A
B B
AL TDK 30/4/2008 TAVAdd d bt ti f l t 801 & 803 804
LOT 803RESIDES BELOW
LOT 804RESIDES BELOW
LOT 801RESIDES BELOW
ROAD
2
2
HELE
NA ST
REET
HELE
NA ST
REET
HELE
NA ST
REET
-
SECTOR 10A
SECTOR 10B
SECTOR 10C
SECTOR 10D
SECTOR 10E
SECTOR 13
P.O.S.
P.O.S.
801
HELE
NA ST
REET
HELE
NA ST
REET
803
SECTION B - B
SECTION A - A
8010
802
804
RAIL RESERVE
8010
ROAD
2
2
Road To Be
Acquired
Road
Widening
6m W
ide
Acc
ess
Ease
men
t
6m W
ide
Acc
ess
Ease
men
t6m
Wid
e Acc
ess
Ease
men
t
6m W
ide
Acc
ess
Ease
men
t Road
Widening
6m W
ide
Acc
ess
Ease
men
t
6m W
ide
Acc
ess
Ease
men
t Road
Widening
Joins 92498-193 & 92498-195
Power
Ea
semen
t
5m W
ide
Acc
ess
Ease
men
t
Road To Be
Acquired
Road To Be
Acquired
Road To Be
Acquired
6mAccess Easement
COMMERCIAL
COMMERCIAL
COMMERCIAL
Join
s 92
498-
189
Padmount
Site
AM JJM 28/5/2008 TDKAmended lot 804 & 808, Added easement to lot 806 and removed easement in lot 787 & 134
INCLUDING HATCHED AREA
AREA BASEMENT BELOW
2794m²
AREA BASEMENT BELOW
2911m²
AREA BASEMENT BELOW
2641m²
Access Easement Access Easement
AN GDC 11/06/2008 TAVAdded lots 805, 8002, access easements and amended lots 807, 808 and 8009
PLANNER'S DESIGN SOURCE for Rev ANPlanner :- PalassisReceived date:- 02/06/2008File name:- Foundry & Pattern shop 010608.pdf
AO
TJM 26/06/2008 TAVAmend lots 6,134,711,741-742,746,755-757,762,8010, lot 804 ' Resides Below' area, remove easement
in lot 806, various buildings, add Right of Carriageway to lot 755, generate summary stats table.
(8m)
Right of Carriageway Easement
DENOTES EASEMENT
DENOTES CADASTRAL BOUNDARY
DENOTES STAGE BOUNDARY
LINE STYLES LEGEND
4.25
7.4
7.3
25
6.7
6.01
42.5
3
37.9
9
27.5
1
24.1
9
11
34.7
3
16.6
172
.24
10.9
7
19.1
6
26.6
5
34.9
5
18.3
2
31.7
4
37.0
3
7.9
3 3
16.2
933
.85
70.3
576
.31
21.7
5
39.9
265
.6
19.2
4
16.0
8
22.2
3
16.8
8
5
21.7
5
15.7
5
5.08
73.5
168
.39
47.9
2
6.36
2525
9.58
19.3
5
28.2
5
36.4
530
.38
21.4
5
21.9
6
14
2
17.0
8
26.9
22.7
622
.27
31.8
6
9.6
50.1
9
3937
.03
25.8
3
34.6
4
34.8
5
10.8
711
29.0
3
2 5. 3
3
72.7
2
4 9.1
4 1.9
2
72.8
4 3.9
7
18.1
11.
04
8.19
14.2
3
30.4
4
35
26.8
24.1
24.7
5
25.3
9
26.6
9
23.4
526.0
4
3.04
26.9
5
2.81
26.9
3
25.2
9
26.4
1
26.7
426.6
7
12.5
6
7.67
23.7
3
17.3
7
18.0
6
24.5
535
.05
35.0
5
8.38
8.5
23.2
4
23.4
4
22.9
9
23.4
11.69
23.2
3
8.21
35
24.9
7
29.7
25.7
25.2
225.4
6
23.8
624.4
3
7.07
8.49
1.41
4.25
8.5
14.2
6.36
1.41
8.5
8.5
7.07
2.82 4.
25
4.25
4.25
4.25
4.25
4.34
4.25
4.25
4.25
4.25
6.6
55.81
91.61
5.9
39.8 42.12
184.18
8.65
4.92
33.8612.81
68
23.82
45.77
39.8
68
9.35
77.9684.4
65.02
53.79
31.59
48
23.49
36.73
46.54
10
58.02
7
45.65 62.44
10.17
46
5.9
68.45
132.440.93
104.88
10 54.9341.76
53.75
87.25
76.24
46.3
185.49
57.6
86.27
42.6513.81
10.4
4.75 48.54 58 45.83
39.57
48.9
13.23
159.12
45.59163.29 25.4
167.63
184.68
57.6173.13 69.4
59.6888
28.32
188.18
188.18
10.83
48.42
48.49
22.56
25.4
35.04 16.01 12.9311.08
33.91
34.16
26.15
3.5 41.96
7.837.81
7.817.81 9.55
7.81
28.81
9 7.77
7.8
22.08
23.91
7.74
29.3121.57
50.53
39.35
7.76
7.787.78
7.787.78
7.77
12
5.56
9.83
7.88.96
5.517.77
7.78
7.8
38.78
7.77
7.77 7.77
23.41
20.44
24.61
14.02
16.93
16.17
7.4
13.31
7.86
7.74
7.74
6.71
3
7.7
30.86
5.52
7.74
7.74
25.58
27.75
29.2
7.1
8.84
6.48
7.768.96
7.74
7.74
7.74
7.74
5.41
6.81
23.58
14.17
59.81 81.6
21.79
47.36
42.45
7.73
7.66
7.72
42.416.55 7.74
15.857.74
7.73
4.25
5.66
6.36
8.5
2.25
8.48
8.5
9.2
4.25
4.25
16.7
4.25
12.01
4.25
4.25
4.25
4.25
4.36
11.1
4.25
61.2438ha
1347600m²
4995777m²500
1037m²5022001m²
5032324m²
6691323m²
7121400m²
7141531m²
716
195m²
191m²
7351815m²
7361584m²
7371368m²
7381460m²
7392421m²
7401292m²
7411490m² 742
2438m²
7441848m²
7451391m²
7461.477
5ha
7511400m²
7521530m²
7531753m²
7541584m² 755
3273m²
756 299m²757655m²
7621.4331ha
7871.0178ha
8012390m²
8021290m²
8032304m² 804
1700m²
8051210m²
8065132m²
8073178m²
8082854m²
80094982m²
80107695m²
15299
432m²430m²
2.1
2.1
2.1
2.5
13.2
2
4.26
1.8
2.6
4.44
1.82
1.82
6.69
4.563.25
1.22
0.64
4.67
4.82
2.6
2.6
3.57
2.6
5.76
4.99
66.6
2.6
67.5
679
.5
710
179m²
713222m²
715
233m²
717
190m²
718
198m²719
196m²720
194m²721
722
187m²
723
180m²724
181m²725
204m²726
225m²
727
201m²
728
206m²
729
208m²
730
209m²731
205m²
732
200m²
733
195m²
734
190m²
743
185m²
748
224m²
749
225m²
750
208m²
15300
164m²
212m²
180m²
Padmount
Site
Padmount
Site
AP CML 19/8/2008 TAVWiden road reserve around public art.
AQ TDK 2/10/2008 TAVAdded road widening on lots 8025 and 8033. Spilt lot 8033 into lots 8033 & 8034
Amend pad mount site in lot 8033 and remove lot 8034 - add service and light pole easements to lots
710, 713, 715-734, 743 and 748-750
AR
SCL 16/10/2008 TAV
21.5
48.9
2
12.3
12.3
26.7328.0
2
21.88 71.7
22.8
102.27100.37
40.9845.4
62.22
5.57
4.25
5.9
15.06
80333139m²
P.O.S.LAND USE / STATISTICS
SECTOR 10 A-E SUMMARY WAPC Ref:-
PARCEL TYPE MAP SYMBOL NUMBER OFPARCELS AREA (ha)
Traditional Lots 58 11.5147
Public Open Space P.O.S. 3 1.5815
Road Widenings ROAD WIDENING 3 0.0556
Roads (inc. truncations) 3.0005
STAGE TOTAL 16.1524
LAND USE / STATISTICSSECTOR 10A WAPC Ref:-
PARCEL TYPE MAP SYMBOL NUMBER OFPARCELS AREA (ha)
Traditional Lots 6 1.5670
Public Open Space P.O.S. 1 0.7695
Roads (inc. truncations) 0.2000
STAGE TOTAL 2.5365
LAND USE / STATISTICSSECTOR 10B WAPC Ref:-
PARCEL TYPE MAP SYMBOL NUMBER OFPARCELS AREA (ha)
Traditional Lots 39 2.6446
Public Open Space P.O.S. 1 0.4982
Roads (inc. truncations) 1.1722
STAGE TOTAL 4.3149
LAND USE / STATISTICSSECTOR 10C WAPC Ref:-
PARCEL TYPE MAP SYMBOL NUMBER OFPARCELS AREA (ha)
Traditional Lots 4 0.6542
Public Open Space P.O.S. 0 0
Roads (inc. truncations) 0.1401
STAGE TOTAL 0.7943
LAND USE / STATISTICSSECTOR 10D WAPC Ref:-
PARCEL TYPE MAP SYMBOL NUMBER OFPARCELS AREA (ha)
Traditional Lots 5 4.5472
Public Open Space P.O.S. 0 0
Road Widenings ROAD WIDENING 3 0.0556
Roads (inc. truncations) 0.9809
STAGE TOTAL 5.5837
LAND USE / STATISTICSSECTOR 10E WAPC Ref:-
PARCEL TYPE MAP SYMBOL NUMBER OFPARCELS AREA (ha)
Traditional Lots 4 2.1018
Public Open Space P.O.S. 1 0.3139
Roads (inc. truncations) 0.5073
STAGE TOTAL 2.9230
LAND USE / STATISTICSSECTOR 13 WAPC Ref:-
PARCEL TYPE MAP SYMBOL NUMBER OFPARCELS AREA (ha)
Traditional Lots 5 1.2462
Public Open Space P.O.S. 0 0
Roads (inc. truncations) 0.0871
STAGE TOTAL 1.3334
ENGINEER'S DESIGN SOURCE for Rev AREngineer :-Wood and GrieveReceived date:- 13/10/2008Data purpose:- Padmount Sites and Easements
DENOTES SERVICE EASEMENT
DENOTES LIGHTPOLE EASEMENT
A
B
AA
AB
A A
A
AA A
AB A
AA
AB
A
Appendix D Subsurface Works Request Form
Subsurface Management Plan Helena East Precinct
Former Midland Railway Workshops
Subsurface Works Request Form Page 1 of 2
SUBSURFACE WORKS REQUEST FORM
Common Site Name: Helena East Precinct
Site Address: Yelverton Drive, Midland
Description: Former Midland Railway Workshops
SITE CONTACTS (to be completed)
Site Owner:
Site Owners Representative:
Tennant(s):
Approved Environmental Consultant:
1. APPLICANT DETAILS
Name of Applicant(s):
Title:
Company
Contact (Office):
Contact (Mobile):
2. LOCATION OF SUBSURFACE DISTURBANCE 2.1 With reference to the Subsurface Constraints Register, where is the approximate proposed location of
subsurface disturbance works?
Grid Cell reference(s):
Common site location name (where known):
Subdivision lots affected:
3. DESCRIPTION OF SUBSURFACE DISTURBANCE 3.1 Type of subsurface disturbance:
Underground utility repair
Installation of additional underground utilities
Site construction (eg footings, etc)
Other:
In completing the following sections, attach additional sheets, plans, etc, if necessary.
3.2 Describe the anticipated scope and duration of the subsurface disturbance:
Subsurface Works Request Form Page 2 of 2
4. FURTHER NOTIFICATION
4.1 Further Notifications (details - Yes/No/Who/Time):
Management:
Tennant(s):
Approved Environmental Consultant:
Other:
5. SIGNATURES
Signature of Applicant: Date Responsible Manager: Signature of recipient: Date
Appendix E Environmental Incident and Hazard Form
Subsurface Management Plan Helena East Precinct
Former Midland Railway Workshops
Environmental Incident & Hazard Report Form Page 1 of 4
SUBSURFACE CONSTRAINTS ENVIRONMENTAL INCIDENT AND HAZARD FORM
Common Site Name: Helena East Precinct
Site Address: Yelverton Drive, Midland
Description: Former Midland Railway Workshops
SITE CONTACTS (to be completed)
Site Owner:
Site Owners Representative:
Tennant(s):
Approved Environmental Consultant:
Approved Contractor:
1. Notification of the Incident 1.1 Who is reporting the incident?
Site Owner Contractor
Tennant Other:
Environmental Consultant
1.2 Who received the notification? 1.3 Time of Notification: am/pm on Date: 1.4 Time of incident occurring: am/pm on Date: 1.5 How was the incident notified?
In person
Telephone/Fax
Letter/Memo
1.6 Informant: Name:
Address/Department:
Telephone: 2. Nature of the Incident 2.1 Incident Category (tick more than 1 box if appropriate):
Incident
Hazard or Potential Hazard
Near Miss
Complaint
Environmental Incident & Hazard Report Form Page 2 of 4
2.2 Incident Type:
Water Soil
Odour Other :
Noise 2.3 Environmental Risk Ranking:
Low
Medium
High
In completing the following sections, attach additional sheets, records, photographs plans, etc, if necessary.
2.4 Describe the nature of the incident:
2.5 Describe the inferred cause(s) of the incident:
2.6 Duration of the incident (how long did it last):
2.7 Weather Conditions
2.7.1 Rainfall
None Heavy Rain
Light Rain 2.7.2 Wind Speed and Direction
None Strong Wind
Average Direction :
Environmental Incident & Hazard Report Form Page 3 of 4
3. Incident Response
3.1 Initial corrective action taken:
3.2 Further Notifications (details - Yes/No/Who/Time):
Management:
Regulatory Agencies:
Emergency Services:
Tennant(s):
Approved Environmental Consultant:
Other:
4. Signature
Signed: Date Responsible Manager: Signed by: Title:
Environmental Incident & Hazard Report Form Page 4 of 4
7. Post-Incident Assessment (to be filled out by the Environmental Consultant) 7.1 Adequacy of initial corrective action taken:
7.2 Further corrective action taken:
7.2 Recommendations:
7.2.1 Timeframe for implementation of recommendations: 8. Distribution List Date
Management:
Approved Environmental Consultant:
Other:
Recommended