Oatley Station Accessibility Upgrade Noise and Vibration …€¦ · 100404-01-RPT-FINAL Rev: 2 Date: 31 March 2014 2 1 Introduction The Transport Access Program (TAP) is a government

100404-01-RPT-FINAL Revision Number 2

Transport for NSW Noise and Vibration Impact Assessment

Oatley Station Accessibility Upgrade

31 March 2014

100404-01-RPT-FINAL Rev: 2 Date: 31 March 2014

Revision Status

Revision Date Description

Author Approver

FirstName LastName

Position Title FirstName LastName

Position Title

A 02022014 Draft for client comment Shane Harris Manager

Environment, APAC/Africa

Shane Harris Manager


B 05022014 Update post client review Shane Harris Manager




0 17022014 Final Shane Harris Manager




1 26022014 Minor updates – incl.

Figure 1 and Section 8.4 Shane Harris

Manager Environment, APAC/Africa



2 31032014 Update to Section 6.4 and

Section 10 Shane Harris

Manager Environment, APAC/Africa




Disclaimer

This report (Report) has been prepared by Ausenco Services Pty Ltd (‘Ausenco’) for Transport for NSW (‘TfNSW’) and may be used and relied on by TfNSW for the particular purpose which TfNSW previously described to Ausenco. Preparation of this Report is a requirement of the Professional Services Contract (PSC) between TfNSW and Ausenco in relation to the Noise and Vibration Impact Assessment Oatley Station Accessibility Upgrade (the ‘Proposal’). In accordance with the Professional Services Contract (PSC 2839, this Report may be used in whole or in part and relied on by TfNSW. With the exception of TfNSW, the contents of this Report are not to be used in whole or in part, by or for the benefit of others without the express written permission of Ausenco.

The contents of this document are Copyright, © 2013 Ausenco Services. All rights are reserved.


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Table of Contents

1 Introduction 2 1.1 Scope 2 1.2 Relevant noise and vibration guidelines 2

2 Proposal description 3 2.1 Location 3 2.2 Sensitive receivers 3 2.3 Proposed construction 4

3 Existing noise environment 5 3.1 Ambient noise levels 5

4 Construction objectives 7 4.1 Noise management levels 7 4.2 Vibration management levels 10

5 Operational design goals 13 5.1 Assessing intrusiveness 13 5.2 Assessing amenity 13 5.3 Area classification 14 5.4 Proposal-specific criteria 14

6 Construction noise and vibration assessment 15 6.1 Construction works 15 6.2 Construction noise impact assessment methodology 17 6.3 Predicted construction noise impacts 17 6.4 Construction vibration impacts 22

7 Operational noise 24 7.1 Oatley railway station operational noise 24 7.2 Commuter care park operational noise 25 7.3 Predicted commuter car park operational noise 25 7.4 Short term noise events 26 7.5 Additional road traffic 27

8 Recommendations 28 8.1 Construction noise management 28 8.2 Approach to community consultation 31 8.3 Out-of-hours works 31 8.4 Construction vibration 31 8.5 Operational noise 32

9 Statement of potential impact 32 9.1 Construction 32 9.2 Operation 32

10 References 33

Appendix 1 – General acoustic terminology

Appendix 2 – Instrument calibration certificates

Appendix 3 – Daily noise logger graphs

Appendix 4 – TfNSW Standard Mitigation Measures


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1 Introduction

The Transport Access Program (TAP) is a government initiative to provide a better experience for public transport customers by delivering accessible, modern, secure and integrated transport infrastructure. The TAP has identified the need for improved access at Oatley Railway Station and additional commuter car parking.

A preliminary desktop assessment has identified that these works are within proximity of potentially affected sensitive noise receivers.

This report provides assessment of the potential noise and vibration impacts from the proposed Oatley Station Accessibility Upgrade (the ‘Proposal’). This assessment informs the Review of Environmental Factors being prepared by Transport for NSW (TfNSW) for the Proposal.

1.1 Scope

This study provides assessment of potential noise and vibration levels associated with the Proposal – both during construction and operation. The scope of works included:

identifying potentially affected receivers and existing noise generating activities

undertaking unattended noise monitoring at location(s) representative of nearest potentially affected receivers

referencing measured existing noise levels, establish Proposal-specific construction and operational noise goals

establishing Proposal-specific construction vibration objectives

undertaking predictive noise and vibration impacts as a result of construction and operation of the Proposal at the nearest potentially affected receivers

where noise and vibration criteria may be exceeded, provide recommendations of environmental noise and vibration control options and management practises.

1.2 Relevant noise and vibration guidelines

This noise and vibration impact assessment has been prepared adopting the principles and guideline of the following documents:

Operational Noise – NSW Industrial Noise Policy (OEH, 2010)

Construction Noise – NSW Interim Construction Noise Guidelines (DECC, 2009)

Construction Vibration (Human Comfort) – Assessing Vibration – a technical guideline (DEC, 2006).

The following additional guidelines and standards are also referenced in this study:

Construction Noise and Vibration Mitigation – Construction Noise Strategy (TfNSW, 2012)

Sleep Disturbance – Application Notes to NSW Industrial Noise Policy (OEH, 2010).


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2 Proposal description

The Proposal objectives can be broadly defined as follows:

construction of the eastern entrance, comprising aerial overbridge stairs, lift and entrance forecourt to be located outside of the rail corridor in Douglas Cross Gardens, behind the existing bus shelter.

construction of the western entrance, comprising an accessible forecourt to & from Mulga Road with the base of the stairs and lift leading to the aerial overbridge stairs located in Boogarra Reserve

modification to existing platform heritage building to accommodate upgraded station facilities

platform modification to meet level access requirements

relocation of bus, kiss and ride, taxi and accessible parking

upgrades as required to signage, lighting and CCTV

the existing commuter car park off Oatley Parade is proposed to be expanded with the extended area being an at grade extension to the west of the existing car park (i.e. towards the rail corridor).

2.1 Location

The location of Oatley Station and key elements surrounding the Proposal are shown in Figure 1.

2.2 Sensitive receivers

Selected nearest potentially affected receivers are provided in Table 1. These are also provided within Figure 1 as R1 to R7, with representative monitoring locations indicated as NM1, NM2 and NM3. There are also other nearby commercial and residential receivers located in Oatley Parade, Oatley Avenue, River Road and Mulga Road.

Table 1 – Nearest potential affected sensitive receivers

Receiver Address Description

R1 (NM3) Oatley Parade, Oatley Residential Receivers – 2 Storey Apartment Building

R2 Oatley Avenue, Oatley Residential Receivers – 3 Storey Apartment Building

R3 Oatley Avenue, Oatley Mixed Use Residential / Retail Receivers – Ground Floor Retail Space, First & Second Floor Residences

R4 (NM2) Uniting Care Retirement Village

Residential Receivers – Single Level Apartments

R5 (NM1) Mulga Road, Oatley Residential Receiver – 2 Storey Detached House

R6 River Road, Oatley Residential Receivers - 2 Storey Apartment Building

R7 Oatley Parade Retail Shops Commercial Receivers – Single Level Shops


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Figure 1 – Site locality diagram

2.3 Proposed construction

The majority of the works would be undertaken during the standard construction hours (7:00 am to 6:00 pm Monday to Friday and 8:00 am to 1:00 pm Saturdays).

It is understood that some track possessions and night time (out-of-hours works) may be required.

R5


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3 Existing noise environment

A baseline survey of existing ambient noise levels has been undertaken in the study area to characterise the background noise environment at nearest potential noise affected receivers and establish representative construction noise management levels for the Proposal.

3.1 Ambient noise levels

The existing noise environment (LA90 and LAeq) is dominated by noise emissions from surrounding local road traffic and train noise from the Oatley station operations. Short term pass-by events also influenced measured LA1 and LA10 measurements.

An explanation of common acoustic terms, and specific acoustic terminology is used in this study is provided as Appendix 1.

3.1.1 Continuous unattended noise monitoring

To characterise the existing noise environment of the area, unattended noise monitoring was conducted between the dates of Thursday 16 January 2014 and Friday 24 January 2014 at the logging locations shown in Figure 1.

Logger locations were selected with consideration to noise influencing the acoustical environment readings (termed representativeness of receivers), security issues for monitoring equipment and gaining permission for access from residents and landowners.

Instrumentation for the survey comprised of a RION NL-42 environmental noise loggers (serial numbers 133010 and 133013) fitted with microphone windshields. Calibration of the loggers were checked prior to and following measurements. Drift in calibration did not exceed ±0.5 dB(A). All equipment carried appropriate and current NATA (or manufacturer) calibration certificates (refer Appendix 2).

Measured data has been filtered to remove data measured during adverse weather conditions upon consultation with historical weather reports provided by the Bureau of Meteorology (BOM).

The loggers determine LA1, LA10, LA90 and LAeq levels of the ambient noise. LA1, LA10, LA90 are the levels exceeded for 1%, 10% and 90% of the sample time respectively. LAeq is the integrated average (continuous energy equivalent) noise over the measurement period.

The ambient noise monitoring program was undertaken during the school holiday period. No schools are located nearby and road traffic noise dominates. It would be expected that road noise during non-school holidays (peak periods) may potentially result in higher ambient noise levels. This may provide less stringent noise management levels. However, any overall change to measured long term RBL (Background LA90) values would not be expected to be significant. The measured long term noise levels are considered to provide results that are indicative of surrounding noise environs (with road traffic being dominant).

3.1.1.1 Results

The results of the noise monitoring have been processed in accordance with the procedures contained in the NSW Industrial Noise Policy (INP) to establish representative noise levels from all noise sources in the area at the residences.

A summary of the unattended continuous noise monitoring, performed during the INP defined time periods is presented in Table 2. Detailed results at the monitoring location are presented in graphical format as Appendix 3. The graphs show measured values of LA1, LA10, LA90 and LAeq for each 15-minute monitoring period.


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Table 2 – Continuous unattended noise logging results (dB(A) re 20 Pa)

Location Measurement Descriptor

Daytime (0700 – 1800)

Evening (1800 – 2200)

Night-time (2200 – 0700)

NM1 River Road, Oatley

LAeq 56 55 51

RBL (Background LA90) 44 37 30

NM2 Uniting Care Retirement Village

LAeq 56 54 48


Notes to Table 2:

All values expressed as dB(A) and rounded to nearest 1 dB(A)

LAeq is the equivalent continuous (energy average) A-weighted sound pressure level. It is defined as the steady sound level that

contains the same amount of acoustic energy as the corresponding time-varying sound.

LA90 is the noise level present for 90% of time (background level). The average minimum background sound level (in the absence

of the source under consideration).

The results of the continuous unattended noise monitoring at the two logging locations show levels consistent with a suburban noise environment with low evening and night-time noise levels dominated by the natural environment. Daytime noise levels are likely to be influenced by road traffic on surrounding local roads.

The noise logger graphs (Appendix 3) show some isolated peaks in measured noise levels. Night-time LA1 and corresponding LAeq ‘spikes’ would be expected to be associated with short-term rail pass-by events.

The results from the logged noise data were found to follow typical diurnal trends. Weekday and weekend measured noise levels were noted to be generally consistent.

3.1.2 Operator attended

Operator attended ambient noise surveys were conducted on Friday 24 January 2014 at each noise monitoring location shown in Figure 1.

The operator attended noise measurements were performed using a calibrated Svantek Type 971 Sound Level Meter (serial number: 28280). Instrument calibration was checked before and after the measurement surveys, with variation in calibrated levels not exceeding the acceptable variation of ±0.5 dB(A) (AS 1055).

The acoustic instrumentation employed throughout the noise monitoring survey was designed to comply with the requirements of AS IEC 61672.1-2004: Electroacoustic – Sound level meters – Specifications as a Type 1 precision sound level meter and has an accuracy suitable for both field and laboratory use. Both the meter and calibrator carry current NATA calibration certificates (refer Appendix 2).

3.1.2.1 Results

A summary of the operator attended ambient noise survey is provided in Table 3.


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Table 3 – Operatior attended nosie montoring results

Location Time LAeq LA90 LA10 Comments

NM1 River Road, Oatley

11:42 57 48 59

Road traffic 57-66 Rail 58-61 Local Fauna 55-57 Steady State 48-49

NM2 Uniting Care Retirement Village

12:36 59 46 62 Road Traffic 62-70 Rail 55-61 Steady State 46-47

NM3 Oatley Parade, Oatley

12:14 63 57 67

Road Traffic 62-70 Rail 64-73 (freight train pass-by was measured at 73) Steady State 55-56

Notes to Table 3:






LA10 is the noise level present for 10% of time. Commonly referred to the average maximum noise level.

Ambient noise environment at each noise logger locations (NM1 and NM2) are similar and were observed to be dominated by road traffic movements along adjacent roads.

There was no existing industrial noise influence measured at each location during the day time period.

Attended noise measurement was also conducted at an additional location, i.e. NM3 (Oatley Parade, Oatley) to determine any variance in ambient noise levels to the other two noise logging locations (NM1 and NM2).

From the measured noise results, the ambient noise levels at NM3 (Oatley Parade, Oatley) are slightly higher compared to the two logging locations. It was observed that the road traffic movement at this location is much higher. The continuous flow of road traffic during the day time period, compared to the intermittent nature of road traffic movements on nearby collector road (NM1 and NM2) indicated that noise design goals established are conservative in nature.

4 Construction objectives

4.1 Noise management levels

Construction noise is managed in accordance with the EPA Interim Construction Noise Guideline (ICNG, 2009) which provides management objectives for construction noise at residential and other sensitive land uses.

The ICNG airborne noise goals are to be applied to assess noise impacts and determine requirement for the reasonable and feasible management of construction noise to minimise potential for disturbance.


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4.1.1 Residential receivers

Table 4 provides guidelines for determining construction noise management levels at residential receivers.

Table 4 – Construction airborne noise management levels for residences (ICNG)

Time of day Noise Management Level (LAeq, dB(A)) How to Apply

Recommended standard hours (SH):

Monday to Friday 0700 – 1800 Saturday 0800 – 1300 No work on Sundays or public holidays

Noise affected

Rating Background Level (RBL) + 10 dB(A)

The noise affected level represents the point above which there may be some community reaction to noise.

Where the predicted or measured LAeq (15 minute) is greater than the noise affected level, the proponent should apply all feasible and reasonable work practices to meet the noise affected level.

The proponent should also inform all potentially impacted residents of the nature of works to be carried out, the expected noise levels and duration, as well as contact details.

Highly noise affected

75 dB(A)

The highly noise affected level represents the point above which there may be strong community reaction to noise.

Where noise is above this level, the relevant authority (consent, determining or regulatory) may require respite periods by restricting the hours that the very noisy activities can occur, taking into account:

times identified by the community when they are less sensitive to noise (such as before and after school for works near schools, or mid-morning or mid-afternoon for works near residences if the community is prepared to accept a longer period of construction in exchange for restrictions on construction times.

Outside recommended standard hours (OOH)

All other times including Public Holidays

Noise affected

Rating Background Level (RBL) + 5 dB(A)

A strong justification would typically be required for works outside the recommended standard hours.

The proponent should apply all feasible and reasonable work practices to meet the noise affected level.

Where all feasible and reasonable practices have been applied and noise is more than 5 dB(A) above the noise affected level, the proponent should negotiate with the community.

For guidance on negotiating agreements see section 7.2.2 of the ICNG.

Notes to Table 4:



Site specific LAeq construction noise management levels are presented in Table 5. These have been established adopting measured existing baseline LA90 noise levels (Rating Background Level, RBL) and the ICNG corrections for the time of construction work.


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Table 5 – Adopted residential construction noise management levels (LAeq (15 minute), dB(A))

Location Measurement Descriptor

Standard Hours (SH) Out-of-Hours (OOH)

Daytime (0700 – 1800)

Evening (1800 – 2200)

Night-time (2200 – 0700)

R1, R2, R3 and R4 (NM2)


Noise management level 52 45 40

R5 and R6 (NM1)


Noise management level 54 42 35

Notes to Table 5:




Based on ICNG guidance, hours outside standard construction hours include weekdays 1800 to 0700, Saturday 1300 to 2000 and all day Sunday and Public Holidays. The established out-of-hours (OOH) noise management levels during the evening and night-time periods are more conservative than the OOH daytime hours on Saturday 1300 to 1800 and Sundays/Public Holidays. Therefore, the OOH noise management levels established for the evening and night-time period will be used to assess out-of-hours works (OOHW).

4.1.2 Residential sleep disturbance

Where construction noise works are required during the night time period the ‘Application Notes - NSW Industrial Noise Policy’ guidance for sleep disturbance or sleep arousal would be applied to assess the proposed works. The EPA’s Application Notes states the following:

‘EPA reviewed research on sleep disturbance in the NSW Environmental Criteria for Road Traffic Noise (ECRTN) (1999). This review concluded that the range of results is sufficiently diverse that it was not reasonable to issue new noise criteria for sleep disturbance.

From the research, EPA recognised that current sleep disturbance criterion of an LA1, (1 minute) not exceeding the LA90, (15 minute) by more than 15 dB(A) is not ideal. Nevertheless, as there is insufficient evidence to determine what should replace it, EPA will continue to use it as a guide to identify the likelihood of sleep disturbance. This means that where the criterion is met, sleep disturbance is not likely, but where it is not met, a more detailed analysis is required.

The detailed analysis should cover the maximum noise level or LA1, (1 minute), that is, the extent to which the maximum noise level exceeds the background level and the number of times this happens during the night-time period. Some guidance on possible impact is contained in the review of research results in the appendices to the ECRTN. Other factors that may be important in assessing the extent of impacts on sleep include:

How often high noise events will occur?

Time of day (normally between 10 pm and 7 am).

Whether there are times of day when there is a clear change in the noise environment (such as during early morning shoulder periods).

The LA1, (1 minute) descriptor is meant to represent a maximum noise level measured under ‘fast’ time response. EPA will accept analysis based on either LA1, (1 minute) or LAmax’


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Sleep disturbance and sleep arousal are subjective responses varying for individuals; with reference to the EPA guidance, potential for internal disturbance from construction noise is expected to be minimised where construction noise levels are within the night time RBL (LA90) + 15 dB construction noise management levels in Table 5.

4.1.3 Non-residential receivers

Construction noise management objectives for non-residential noise sensitive receivers, developed in accordance with ICNG, are provided in Table 6.

Table 6 – Noise management levels for non-residential receivers (ICNG)

Location Period Noise Management Level. LAeq dB(A)

Offices, retail outlets When in use External noise level 70 dB(A)

Commercial When in use External noise level 75 dB(A)

Notes to Table 6:



4.2 Vibration management levels

When dealing with construction vibration, the effects in buildings can be divided into three main categories, as those in which the:

occupants or users of the building are inconvenienced or possibly disturbed

integrity of the building or the structure itself may be prejudiced

Building contents may be affected.

4.2.1 Human Comfort Vibration Objectives

The recommended procedures in the EPA’s Assessing Vibration: A Technical Guideline are based on British Standard BS 6472:1992 Evaluation of human exposure to vibration in buildings (1 Hz to 80 Hz).

The actual perception of motion or vibration may not, in itself, be disturbing or annoying. An individual’s response to that perception, and whether the vibration is ‘normal’ or ‘abnormal’, depends very strongly on previous experience and expectations, and on other connotations associated with the perceived source of the vibration.

For example, the vibration that a person responds to as ‘normal’ in a car, bus or train is considerably higher than what is perceived as “normal” in a shop, office or dwelling. Types of vibration have been defined, and examples of typical vibration sources provided, within Table 7.


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Table 7 – Examples of types of vibration

Continuous Impulsive Note 1 Intermittent

Continuous uninterrupted for a defined period (usually throughout daytime and/or night-time

A rapid build-up to a peak followed by a damped decay. The duration is typically less than 2 seconds.

Defined as interrupted periods of continuous vibration or repeated periods of impulsive vibration.

Steady road traffic, continuous construction activity (e.g. tunnel boring), machinery

Activities that create up to 3 distinct vibration events in an assessment period (e.g. occasional dropping of heavy equipment)

Trains, rock breakers, impact pile driving

Notes to Table 7:

Note 1 – Blast vibration is assessed in accordance with ANZECC (1990)

The EPA guideline states that there is a low probability of adverse comment or disturbance to building occupants at vibration values below the preferred values, refer Table 8. The preferred values are to be applied where the area is not already exposed to vibration.

Upon the implementation of all feasible and reasonable vibration management and mitigation measures the maximum value may be used.

Table 8 – Preferred and maximum vibration levels

Location

Daytime (0700 – 2200)

Night-time (2200 – 0700)

Preferred Maximum Preferred Maximum

Continuous Vibration Acceleration (m/s2)

Critical areas Note 1 0.005 0.010 0.005 0.010

Residences 0.010 0.020 0.007 0.014

Impulsive Vibration Acceleration (m/s2)


Residences 0.300 0.600 0.100 0.200

Vibration Dose Values for Intermittent Vibration (m/s1.75)


Residences 0.2 0.4 0.13 0.26

Notes to Table 8:

Note 1 – Examples include hospital operating theatres and precision laboratories where sensitive operations are occurring. There

may be cases where sensitive equipment or delicate tasks required more stringent criteria specified above.

4.2.2 Building Structural Damage Vibration Objectives

Most commonly specified ‘safe’ structural vibration limits are designed to minimise the risk of threshold or cosmetic surface cracks, and are set well below the levels that have potential to cause damage to the main structure.


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The EPA recommends the Standard DIN 4150 Structural Vibration Part 3: Effects of Vibration on Structures is used to assess structural damage due to construction vibration. Damage is defined in the standard as any permanent effect of vibration that reduces the serviceability of a structure or of one of its components.

The building serviceability is considered to have been affected if the following minor damage occurs:

cracks form in plastered surfaces of walls

existing cracks in the building are enlarged

Partitions become detached from load-bearing walls or floors.

Short term vibration events are defined as those which do not occur with sufficiently frequent events to cause structural fatigue and do not result in resonance in the building structure. Long term vibration events covers all vibration events not considered short term.

Guideline vibration levels to assess short term and long term vibration on structures are provided in Table 9 and Table 10.

Table 9 – DIN4150:3 Guideline values for evaluating short-term vibration on structures

Type of structure 1 Hz to 10 Hz 10 Hz to 50Hz 50 Hz to 100Hz

Vibration at horizontal plane of highest floor

Dwellings and buildings of similar design and/or occupancy

5 mm/s 5 mm/s at 10 Hz

to 15 mm/s at 50 Hz

15 mm/s at 50 Hz to

20 mm/s at 100 Hz

15 mm/s

Buildings used for commercial purposes, industrial buildings, and buildings of similar design


to 40 mm/s at 50 Hz

40 mm/s at 50 Hz to

50 mm/s at 100 Hz

40 mm/s

Structures that, because of their particular sensitivity to vibration, cannot be classified under lines 1 and 2 and are of great intrinsic value (e.g. listed buildings under preservation order)


to 8 mm/s at 50 Hz

8 mm/s at 50 Hz to

10 mm/s at 100 Hz

8 mm/s

Notes to Table 9:

Guideline values presented for Peak Particle Velocity (PPV)

Vibration level at specified frequencies are applied at the foundation

Vibration at horizontal plane of highest floor applies to all frequencies


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Table 10 – DIN4150:3 Guideline vibration velocity values for evaluating effects of long-term vibration

Type of structure Vibration at horizontal plane of highest floor

Dwellings and buildings of similar design and/or occupancy 5 mm/s

Buildings used for commercial purposes, industrial buildings, and buildings of similar design

10 mm/s

Structures that, because of their particular sensitivity to vibration, cannot be classified under lines 1 and 2 and are of great intrinsic value (e.g. listed buildings under preservation order)

2.5 mm/s

Notes to Table 10:

Guideline values presented for Peak Particle Velocity (PPV)

Vibration at horizontal plane of highest floor applies to all frequencies

The DIN 4150:3 considers that where structural damage occurs at vibration levels below those in Table 9 and Table 10, the cause of the damage is not expected to be vibration. Furthermore exceedance of the vibration levels in Table 9 and Table 10 do not automatically result in damage.

5 Operational design goals

The noise limits for the operational noise emissions from the proposed expanded car park are derived from the EPA’s NSW Industrial Noise Policy (INP). The INP provides criteria for the assessment of noise impacts associated with Industrial activities. It aims to balance the need for industrial activity with the desire for quiet within the community.

The noise emission from any industrial activity should be controlled to avoid impacting upon the acoustic amenity of nearby receivers. Responsibility for the control of noise emission in New South Wales is vested in Local Government and the EPA.

The INP provides a framework and process for deriving noise criteria. The INP criteria for industrial noise sources (e.g. mechanical plant) have two components:

controlling the intrusive noise impacts for residents and other sensitive receivers in the short-term

Maintaining noise level amenity for particular land uses for residents and sensitive receivers in other land uses.

5.1 Assessing intrusiveness

For assessing intrusiveness, the background noise generally needs to be measured. The intrusiveness criterion essentially means that the equivalent continuous noise level (LAeq) over any 15 minute period, of the source should not be more than 5 dB(A) above the measured Rated Background Level (RBL).

5.2 Assessing amenity

The amenity criterion is based on land use and associated activities (and their sensitivity to noise emission). The cumulative effect of noise from industrial sources needs to be considered


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in assessing the impact. The criteria relate only to other industrial-type noise sources and do not include road, rail or community noise. The existing noise level from industry is measured. If it approaches the criterion, then noise levels from new industrial-type noise sources, (including air-conditioning plant) need to be designed so that the cumulative effect does not produce total noise levels that would significantly exceed the criterion. For areas of high road traffic, there are further considerations that influence the selection of the noise criterion.

5.3 Area classification

The INP classifies the noise environment of the subject area as ‘Suburban’. The INP characterises the ‘Suburban’ noise environment as an area that:

has local traffic with characteristically intermittent traffic flows or with some limited commerce or industry and

decreasing noise levels in the evening period (1800-2200) and

evening ambient noise levels defined by the natural environment/infrequent human activity.

5.4 Proposal-specific criteria

Having defined the area type, the processed results of the unattended noise monitoring have been used to generate noise criteria in accordance with INP principles. The Proposal-specific noise levels are the most stringent of the Intrusive and Amenity criteria and are shown in bold in Table 11.

Operational noise design goals have been based on continuous noise readings measured at location NM2. This is indicative of the ambient noise environment for potentially affected receivers located adjacent the operational emission sources of the commuter car park and Proposal-related mechanical plant

Table 11 – Criteria for operational noise emissions at residential receivers (dB(A) re 20 Pa)

Time of day ANL Note 1

(period) RBL Note 2

LA90 (15minute) Measured LAeq (15minute)

Intrusive Criteria Note 3 LAeq (15minute)

Amenity Criteria Note 3

LAeq (Period)

Daytime (0700 – 1800)

55 42 56 47 47

Evening (1800 – 2200)

45 40 54 45 44

Night-time (2200 – 0700)

40 35 48 40 38

Notes to Table 11:






Note 1 – ANL Acceptable Noise Level for a suburban area

Note 2 – RBL Rating Background Level as measured at location NM2

Note 3 – INP recommended values for new source of noise, assuming existing noise levels unlikely to decrease


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6 Construction noise and vibration assessment

To assess the potential noise and vibration impacts during construction of the station upgrade and the car park upgrade, a number of scenarios comprising typical plant and equipment have been developed. These are summarised in Table 12 and Table 13.

6.1 Construction works

Table 12 – Construction scenarios (Oatley Railway Station Upgrade)

Scenario Equipment SWL

Demolition of existing structure and site clearing Bobcat 104

Jackhammer Refer Section 6.1.1 108

Dozer 110

Excavator with Hammer Refer Section 6.1.1 121

Grader 108

10T Truck 98

Concrete Saw Refer Section 6.1.1 115

20T Excavator 99

Relocation of services and preparation of structure

20T Excavator 99

10T Truck 98

Wacker Packer Refer Section 6.1.1 108

Hand Tools 94

Construction of Access Bridge, Deck Support System, Lift Shafts and Stairs


Generator 101

Piling Rig Refer Section 6.1.1 107

10T Truck 98

Concrete Pump 106

Concrete Truck 106

Mobile Crane 100

Hand Tools 94

Construction of external cladding Jackhammer Refer Section 6.1.1 108

10T Truck 98

Hand Tools 94

Notes to Table 12:


SWL is maximum LAeq Sound Power Level for individual item. LAeq Sound Power Levels are based on LAmax noise


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Table 13 – Construction scenarios (Oatley Commuter Car Park Upgrade)

Scenario Equipment SWL

Site clearing and bulk earthworks Chainsaw 106

Bobcat 103


Grader 108

10T Dump Truck 101

Concrete Saw Refer Section 6.1.1 115

20T Excavator 99

Excavation and installation of drainage 20T Excavator 99

10T Dump Truck 101

Trench Compactor 104

Hand Tools 94

Pavement works including laying concrete and asphaltic surface and footpaths

Concrete Pump 106

Concrete Truck 106

Paving Machine 102

Grader 108

20T Excavator 99

10T Truck 98

Mobile Crane 100

Grinder Refer Section 6.1.1 110

Hand Tools 94

Line-markings and signposting Line Marker 102

Hand Tools 94

Landscaping 10T Truck 98

Bobcat 103

Hand Tools 94

Notes to Table 13:


SWL is maximum LAeq Sound Power Level for individual item. LAeq Sound Power Levels are based on LAmax noise.

6.1.1 Annoying characteristics

The ICNG lists a number of construction activities which have been proven to be ‘annoying’ and which require to have a 5 dB penalty applied to them. Annoying characteristics may include tones, impulses, low frequency noise and intermittent noise. The ICNG identifies the following


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proposed activities as being particularly annoying and as such, a +5 dB correction has been incorporated into the noise modelling process for the following activities:

jackhammering

rock breaking/cutting

rolling/compacting

grinding

piling.

6.2 Construction noise impact assessment methodology

To provide detailed assessment of potential noise impacts from construction works noise propagation model has been established utilising the SoundPLAN (Version 7.2) noise modelling software. A 3-dimensional model for the construction locations and surrounding environment has been developed adopting:

flat ground height contour for the study area terrain

ground coverage has been assumed to be non-reflective with vegetation areas modelled with 1.0 absorption co-efficient

construction plant and equipment plant modelled as point noise sources at 1-2 metres above ground level

construction plant and equipment have been modelled to operate simultaneously as a worst case scenario

all receivers modelled at 1.5 metres above the ground (representative of single storey)

all SWL’s for construction plant and equipment as detailed in Table 12 and Table 13.

Temperature inversion meteorological condition has not been adopted in the noise model due to the close proximity between the works sites and receivers. Effects of wind and atmospheric conditions have little influence on noise propagation due to small distance separation between noise source and receiver.

6.3 Predicted construction noise impacts

A summary of the predicted day and evening LAeq(15minute) noise levels at the nearest potentially affected receivers in the vicinity of the proposed works is provided in Table 14 and Table 15. A comparison with the relevant NMLs also presented. Predicted levels shown as shaded are above the ICNG recommended noise management level of 75 dB(A) (highly affected noise).

The predicted noise levels will inevitably depend upon the number of plant items and equipment operating at any one time and their precise location relative to the receiver of interest. A receiver will therefore experience a range of values, representing the variation in construction noise depending upon the location of the particular construction activity and the likelihood of the equipment of interest operating simultaneously.

It is noted that the predictions represent worst-case scenarios, as the predicted noise levels include the cumulative impact from all works occurring at the same time. It is also noted that the works would not be likely to be continuous for extended periods of time, noise levels would be expected to be lower than the calculated levels.


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Table 14 – Predicted construction noise impacts (Oatley Railway Station Upgrade), LAeq (15 minute)

Scenario Receiver Predicted SH RBL

SH NML

SH RBL Exceed.

SH NML Exceed.

OOH RBL (eve/night)

OOH NML (eve/night)

OOH RBL Exceed. (eve/night)

OOH NML Exceed. (eve/night)

Demolition of existing structure and site clearing

(Standard Hours Works Only)

R1 87 42 52 45 35 40 / 35 45 / 40 n / a n / a

R2 72 42 52 30 20 40 / 35 45 / 40 n / a n / a

R3 67 42 52 25 15 40 / 35 45 / 40 n / a n / a

R4 69 42 52 27 17 40 / 35 45 / 40 n / a n / a

R5 77 44 54 33 23 37 / 30 42 / 35 n / a n / a

R6 76 44 54 32 22 37 / 30 42 / 35 n / a n / a

R7 78 n/a 70 n/a 8 n / a n / a n / a n / a


(Standard Hours and OOH Works)

R1 74 42 52 32 22 40 / 35 45 / 40 34 / 39 29 / 34

R2 60 42 52 18 8 40 / 35 45 / 40 20 / 25 15 / 20

R3 54 42 52 12 2 40 / 35 45 / 40 14 / 19 9 / 14

R4 56 42 52 14 4 40 / 35 45 / 40 16 / 21 11 / 16

R5 63 44 54 19 9 37 / 30 42 / 35 26 / 33 21 / 28

R6 62 44 54 18 8 37 / 30 42 / 35 25 / 32 20 / 27

R7 66 n/a 70 n/a - n / a n / a n / a n / a


(Standard Hours and OOH Works)

R1 78 42 52 36 26 40 / 35 45 / 40 38 / 43 33 / 38

R2 63 42 52 21 11 40 / 35 45 / 40 23 / 28 18 / 23

R3 58 42 52 16 6 40 / 35 45 / 40 18 / 23 13 / 18

R4 60 42 52 18 8 40 / 35 45 / 40 20 / 25 15 / 20

R5 67 44 54 23 13 37 / 30 42 / 35 30 / 37 25 / 32

R6 66 44 54 22 12 37 / 30 42 / 35 29 / 36 24 / 31

R7 69 n/a 70 n/a - n / a n / a n / a n / a


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SH NML

SH RBL Exceed.

SH NML Exceed.

OOH RBL (eve/night)

OOH NML (eve/night)



Construction of external cladding


R1 73 42 52 31 21 40 / 35 45 / 40 n / a n / a

R2 58 42 52 16 6 40 / 35 45 / 40 n / a n / a

R3 53 42 52 11 1 40 / 35 45 / 40 n / a n / a

R4 55 42 52 13 3 40 / 35 45 / 40 n / a n / a

R5 62 44 54 18 8 37 / 30 42 / 35 n / a n / a

R6 61 44 54 17 7 37 / 30 42 / 35 n / a n / a

R7 64 n/a 70 n/a - n / a n / a n / a n / a

Notes to Table 14:


LAeq (15 minute) Sound Pressure Levels predicted

n/a is not applicable

SH is Standard Hours (day time)

OOH is Out of Hours (evening and night time)

RBL is Rating Background Level

NML is Noise Management Level

Predicted Noise Levels highlighted in RED denotes Highly Noise Affected in accordance to the ICNG

RBL exceedance highlighted in GREEN denotes Noticeable (0-10 dB(A)), BLUE denotes Clearly Audible (10-20 dB(A)), ORANGE denotes Moderately Intrusive (20-30 dB(A)) and PURPLE

denotes Highly Intrusive (> 30 dB(A))


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Table 15 – Predicted construction noise impacts (Oatley Commuter Car Park Upgrade), LAeq (15 minute)


SH NML

SH RBL Exceed.

SH NML Exceed.

OOH RBL (eve/night)

OOH NML (eve/night)



Site clearing and bulk earthworks


R1 63 42 52 21 11 40 / 35 45 / 40 n / a n / a

R2 63 42 52 21 11 40 / 35 45 / 40 n / a n / a

R3 70 42 52 28 18 40 / 35 45 / 40 n / a n / a

R4 84 42 52 42 32 40 / 35 45 / 40 n / a n / a

R5 49 44 54 5 - 37 / 30 42 / 35 n / a n / a

R6 61 44 54 17 7 37 / 30 42 / 35 n / a n / a

R7 68 n/a 70 n/a - n / a n / a n / a n / a

Excavation and installation of drainage


R1 53 42 52 11 1 40 / 35 45 / 40 n / a n / a

R2 53 42 52 11 1 40 / 35 45 / 40 n / a n / a

R3 59 42 52 17 7 40 / 35 45 / 40 n / a n / a

R4 73 42 52 31 21 40 / 35 45 / 40 n / a n / a

R5 41 44 54 - - 37 / 30 42 / 35 n / a n / a

R6 51 44 54 7 - 37 / 30 42 / 35 n / a n / a

R7 57 n/a 70 n/a - n / a n / a n / a n / a



R1 61 42 52 19 9 40 / 35 45 / 40 n / a n / a

R2 61 42 52 19 9 40 / 35 45 / 40 n / a n / a

R3 68 42 52 26 16 40 / 35 45 / 40 n / a n / a

R4 81 42 52 39 29 40 / 35 45 / 40 n / a n / a

R5 50 44 54 6 - 37 / 30 42 / 35 n / a n / a

R6 59 44 54 15 5 37 / 30 42 / 35 n / a n / a

R7 66 n/a 70 n/a - n / a n / a n / a n / a


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SH NML

SH RBL Exceed.

SH NML Exceed.

OOH RBL (eve/night)

OOH NML (eve/night)



Line-markings and signposting


R1 45 42 52 3 - 40 / 35 45 / 40 n / a n / a

R2 45 42 52 3 - 40 / 35 45 / 40 n / a n / a

R3 53 42 52 11 1 40 / 35 45 / 40 n / a n / a

R4 68 42 52 26 16 40 / 35 45 / 40 n / a n / a

R5 60 44 54 - - 37 / 30 42 / 35 n / a n / a

R6 43 44 54 - - 37 / 30 42 / 35 n / a n / a

R7 50 n/a 70 n/a - n / a n / a n / a n / a

Landscaping


R1 50 42 52 8 - 40 / 35 45 / 40 n / a n / a

R2 50 42 52 8 - 40 / 35 45 / 40 n / a n / a

R3 57 42 52 15 5 40 / 35 45 / 40 n / a n / a

R4 71 42 52 29 19 40 / 35 45 / 40 n / a n / a

R5 35 44 54 - - 37 / 30 42 / 35 n / a n / a

R6 48 44 54 4 - 37 / 30 42 / 35 n / a n / a

R7 55 n/a 70 n/a - n / a n / a n / a n / a

Notes to Table 15:


LAeq (15 minute) Sound Pressure Levels predicted

n/a is not applicable

SH is Standard Hours (day time)

OOH is Out of Hours (evening and night time)

RBL is Rating Background Level

NML is Noise Management Level

Predicted Noise Levels highlighted in RED denotes Highly Noise Affected in accordance to the ICNG

RBL exceedance highlighted in GREEN denotes Noticeable (0-10 dB(A)), BLUE denotes Clearly Audible (10-20 dB(A)), ORANGE denotes Moderately Intrusive (20-30 dB(A)) and PURPLE

denotes Highly Intrusive (> 30 dB(A))


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6.3.1 Comment

A worst-case exceedance of the daytime (standard construction hours) LAeq (15 minute) noise management level of up to 41 dB(A) is predicted at the most affected sensitive receiver locations during ‘Demolition of existing structure and site clearing’. This level of exceedance is common for these types of construction activities. It is noted that these works are restricted to the daytime period only.

6.3.2 Highly noise affected receivers

The scenarios with potential to subject immediately adjacent receivers to noise levels above 75 dB(A) are shown in Table 14 and Table 15 as red.

Several receivers surrounding the construction works are expected to potentially be highly noise affected when equipment is operating immediately adjacent during ‘Demolition of existing structure and site clearing’ works associated with the Oatley Railway Station Accessibility Upgrade and 'Site clearing and bulk earthworks’ and ‘Pavement works including laying concrete and asphaltic surface and footpaths’ works associated with the Oatley Commuter Car Park Upgrade.

6.3.3 Cumulative construction noise impact

At this stage of the project the construction work schedules of the station accessibility upgrade and the commuter car park upgrade are not finalised. Therefore, construction noise impacts of the two upgrades have been assessed separately. However, once construction work schedules have been finalised, cumulative noise impacts will need to be incorporated into the contarcts environmental noise management planning.

Where construction activities of the two upgrades are conducted concurrently, cumulative noise levels should aim to achieve the Adopted Construction Noise Management Levels established in Table 5 Where exceedences of the cumulative noise impacts are expected, noise management and mitigation measures in accordance with the ICNG and CNS will need to be implemented.

6.3.4 Out of hours works

It is understood that Concrete Pour, Piling and Installation of Pre-cast Sections of Overbridge activities will potentially be carried outside standard construction hours. These activities forms part of the ‘Relocation of Services and Preparation of Structure’ and ‘Construction of Access Bridge, Deck Support, System, Lift Shafts and Stairs’ works. Noise impacts from these works have been predicted and assessed against the OOH Noise Management Levels (NML) in Table 14. The worst-case exceedences of the evening and night OOH NMLs of up to 33 dB(A) and up to 38 dB(A) are predicted respectively at the most affected sensitive receivers during Construction of Access Bridge, Deck Support, System, Lift Shafts and Stairs works.

It is also understood that Deliveries may also take place outside standard daytime construction hours. Due to the low existing background noise levels Deliveries outside standard construction hours may potentially exceed the OOH NMLs.

Based on the predicted exceedances of the OOH NMLs, noise management and mitigation measures will need to be implemented.

6.4 Construction vibration impacts

The major potential sources of vibration from the proposed construction activities are during rock breaking, piling boring, hydraulic hammering and jackhammering.


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As a guide, safe working distances for typical items of vibration intensive plant are listed in Table 16. The safe working distances are quoted for both ‘cosmetic’ damage (refer British Standard BS 7385) and human comfort (refer DEC guideline Assessing Vibration). The safe working distances must be complied with at all times, unless otherwise approved by the relevant authority.

The safe working distances presented in Table 16 are indicative only and will vary depending on the particular item of plant and local geotechnical conditions. They apply to typical buildings under typical geotechnical conditions.

Table 16 – Recommended safe working distances for vibration intensive plant

Plant Item Rating/Description Cosmetic Damage (BS7385)

Human Response (DEC)

Small Hydraulic Hammer 300 kg – 5 to 12T excavator) 2 m 7 m

Medium Hydraulic Hammer 900 kg – 12 to 18T excavator) 7 m 23 m

Large Hydraulic Hammer (1600 kg – 18 to 34T excavator) 22 m 73 m

Vibratory Pile Driver Sheet piles 2 m to 20 m 20 m

Pile Boring ≤ 800 mm 2 m (nominal) N/A

Jackhammer Handheld 1 m (nominal) Avoid contact with structure

Notes to Table 16:

Table data reproduced from TfNSW’s Construction Noise Strategy

BS 7385 – British Standard 7385 Evaluation and measurement for vibration in buildings

DEC = Department of Environment and Conservation NSW

6.4.1 Cosmetic Damage Assessment

The separation distance(s) between the proposed works and the nearest receivers will typically be sufficient to ensure that the nearby buildings are unlikely to fall within the safe working distances with regard to ‘Cosmetic Damage’ for most of the proposed construction equipment.

It has been assumed that a medium rock breaker (12T to 18T) and a bored piling rig (i.e. not impact/vibratory) would be used during these works, consistent with other similar constructions. If more vibration intensive equipment is proposed, the vibration impact assessment should be revised.

6.4.2 Human Comfort Vibration Assessment

In relation to human comfort (response), the safe working distances in Table 16 relate to continuous vibration and apply to residential receivers. For most construction activities, vibration emissions are intermittent in nature and for this reason, higher vibration levels, occurring over shorter periods are permitted (refer British Standard BS 6472-1).

Vibration at the nearest receivers is likely to be perceptible at times during the works. The separation distance from the nearest residential receivers is however sufficient to mitigate the potential impacts, and as such have not been considered further in this assessment.

No exceedances of the human comfort vibration levels are therefore anticipated for these works.


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6.4.3 Vibration impacts to heritage structures

Vibration intensive plant utilised near heritage structures will be required to be managed to prevent structural damage occurring.

Attended vibration monitoring or vibration trials should be undertaken when proposed works are within the safe working distances to heritage structures to ensure that levels remain below the most stringent 2.5 mm/s criterion (Table 10).

Specific management measures aimed at minimising the likelihood of potential damage are provided in Section 8.4.

7 Operational noise

7.1 Oatley railway station operational noise

It is understood that operations of Oatley Railway Station will remain unchanged due to the proposed upgrade. Therefore, operational noise impact from Oatley Railway Station is unlikely to increase post station accessibility upgrade.

Any mechanical plant installed due to the proposed station accessibility upgrade should be designed to achieve the project specific operational noise criteria presented in Table 11 and free from annoying sound characteristics such as tonality, low frequency, impulsiveness and intermittency.

At this stage of the design, specific mechanical plant has not been selected. Noise emissions from mechanical plant are considered against recommended INP noise goals. The nearest noise sensitive receivers to the proposed station accessibility upgrade are located at 12 Oatley Parade with a separation distance of approximately 25 metres.

Due to the variety of plant items anticipated to be required, it is not practicable to specify individual acoustic requirements for individual units where no equipment has been selected. As an indication, based on the night time INP Intrusiveness noise goal at the 12 Oatley Parade nearest receivers, the overall LAeq Sound Power Level emissions from the station accessibility upgrade noise sources should not exceed 74 dB(A) for night time, 80 dB(A) for evening and 83 dB(A) for daytime operations.

The noise emission of mechanical plant associated with the development should be controlled so that the operation of such plant does not adversely impact nearby residential properties and other dwellings within the same development.

It is envisaged that the mechanical plant noise sources will be controllable by common engineering methods that may comprise:

judicious location

localised barriers, and/or

acoustic treatment at source (silencers, lined ducting)

The selected mechanical equipment should be reviewed and assessed for conformance with established criteria at the detailed design stage of the project when specific plant selection is finalised and appropriate noise control measures can be determined (noting that the cumulative noise emissions from the station accessibility upgrade noise sources should be considered when determining appropriate mitigation options).


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7.2 Commuter care park operational noise

A concept design of the commuter car park has been supplied by TfNSW. Operational noise emissions have been predicted based on this concept design. It is noted that the noise modelling results are dependent on the car park design and specification and it is therefore recommended that the predictions be reviewed if the final design is found to vary significantly from the concept design.

It is understood that the concept design of the commuter car park has a design capacity of 34 spaces. A net increase of 18 car spaces is proposed.

Acoustic modelling of the car park noise emissions was carried out using the methodology of Bayerisches Landesamt für Umwelt’s report Parking Area Noise. The Parking Area Noise prediction methodology utilises an LAeq based source sound power level that is representative of one complete vehicle movement in one hour for normal parking motions (i.e. entering the car park, searching for a car parking space, open and closing car doors, re-starting the engine and exiting the car park). The major variables accounted for in this methodology therefore include the number of vehicle movements, the location of the car park relative to noise sensitive receivers and the surface finish (e.g. sealed asphalt, unsealed gravel and associated).

7.3 Predicted commuter car park operational noise

Predicted noise levels from the operation of the expanded commuter car park are presented in Table 17.

Table 17 – Predicted Noise Levels at Nearest Sensitive Receivers (dB(A))

Receiver Receiver Type Period LAeq, 15 minute LAeq, Period

R1 Residential Day 34 30

Night 25 23


Night 25 23


Night 31 29


Night 33 31


Night 31 29


Night 24 22

R7 Commercial Day 40 36

Notes to Table 17:

Noise Levels for the evening period are not covered in the Parking Area Noise prediction methodology and are therefore not

provided.

A conservative 10 dB attenuation from the existing 2.1 metres high solid masonry along the northern boundary of the Uniting Care

Retirement Village has been taken into account in the predicted levels.


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From the predicted noise levels presented in Table 17, operational noise levels from the commuter car park are shown to comply with the adopted Proposal-specific noise criteria (Section 5.4). As the commuter car park noise levels are predicted to comply with the noise goals during the daytime and night-time periods, it can be assumed that the noise levels during the evening period are likely to achieve compliance.

7.4 Short term noise events

Noise propagation calculations have been undertaken in order to predict the LA1 (1 minute) noise levels from car park activities such as door closing, car accelerating, engine starts etc., at surrounding sensitive receivers. The LA1 (1 minute) is comparable to the typical maximum noise level of a particular event. The LA1 (1 minute) noise levels have been assessed against the sleep disturbance screening levels discussed in Section 4.1.2.

Table 18 – Typical maximum Sound Power Level of short-term car event

Source Typical Maximum Sound Power Level

Car Accelerating 93 to 98

Car Starting 91 to 97

Car Door Closing 88 to 93

Car Moving 83 to 90

Notes to Table 18:


The predicted LA1 (1 minute) noise levels from the nearest car parking space to the nearest residential façade are presented in Table 19.

Table 19 – Predicted maximum noise events from Commuter Car Park at residential receivers (dB(A))

Receiver Noise Source Maximum Noise Level LA1 (1 minute)

Sleep Disturbance External Screening Assessment Level

R1 Car Accelerating 39 to 44 50

Car Starting 37 to 43 50

Car Door Closing 34 to 39 50

Car Moving 29 to 36 50










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Receiver Noise Source Maximum Noise Level LA1 (1 minute)

Sleep Disturbance External Screening Assessment Level













Notes to Table 19:


The predicted LA1 (1 minute) noise levels show 1 to 2 dB(A) exceedances of the 50 dB(A) sleep disturbance criteria during car accelerating and car starting events at receivers R3 and R4. Predicted LA1 (1 minute) noise levels at receivers R1, R2, R5 and R6 are predicted to comply with the sleep disturbance criteria.

Guidelines that contain additional advice relating to potential sleep disturbance impacts have been considered, including the Road Noise Policy (RNP). The RNP provides a review of research into sleep disturbance. From the research to date, the RNP concludes that:

maximum internal noise levels below 50 dB(A) to 55 dB(A) are unlikely to awaken people from sleep

One or two events per night, with maximum internal noise levels of 65 dB(A) to 70 dB(A), are not likely to affect health and wellbeing significantly.

It is generally accepted that internal noise levels in a dwelling with the windows open are 10 dB lower than external noise levels. Based on a worst case minimum attenuation, with windows open, of 10 dB, worst case short term internal noise levels are at a level that according to the RNP review is unlikely to cause awakening reactions.

7.5 Additional road traffic

In terms of additional traffic on surrounding roads, only a very minor increase in traffic flow would be expected due to the proposed car park upgrade (with a proposed net increase of 18 car spaces). The increase in traffic flow would generally be limited to peak commuter times.

On this basis, the noise level contribution from any additional road traffic to and from the car park would be insignificant when compared to existing levels of traffic noise.


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8 Recommendations

8.1 Construction noise management

The predicted noise level exceedances may be concerning for surrounding residents and particular effort should be directed towards the implementation of all reasonable noise mitigation and management strategies. As such, TfNSW commits to implementing the standard and additional mitigation measures in accordance with the Construction Noise Strategy (refer Appendix 4). There is also a large number of planning and management measures that can be applied in order to minimise the noise impact on the surrounding community from construction works. A comprehensive list is provided in Section 3.1 of the Construction Noise Strategy.

The list includes the following mitigation measures which are considered appropriate for the Oatley Railway Station and Commuter Car Park Upgrades:

briefing of the work team in order to create awareness of the locality of sensitive receivers and the importance of minimising noise and vibration emissions

use of less noise -intensive equipment (where reasonable and feasible)

consider the use of smaller equipment

where noise-intensive work is carried out in fixed locations, a truck or similar can be parked to provide shielding towards receivers in a certain direction

Non-tonal reversing alarms fitted on construction vehicles.

8.1.1 Additional construction noise mitigation measures matrix

Section 6 of the Construction Noise Strategy outlines the requirements for additional noise management and mitigation measures. These are based on the predicted RBL exceedance (refer Table 14 and Table 15). A summary is provided in Table 20.

Table 20 – Additional mitigation measures matrix

Time period

LAeq, (15minute) noise level above background (RBL) Qualitative assessment of noise levels

0 to 10 dB(A) Noticeable

10 to 20 dB(A) Clearly audible

20 to 30 dB(A)Moderately intrusive

> 30 dB(A) Highly intrusive

Standard Mon-Fri (7 am-6 pm) Sat (8 am-1 pm) Sun/Pub (Nil)

- - LB, M LB, M

OOHW Mon-Fri (6 pm-10 pm) Sat (1 pm-10 pm) Sun/Pub (8 am-6 pm)

- LB M, LB M, IB, LB, RO, PC, SN

OOHW Mon-Fri (10 pm-7 am) Sat (10 pm-8 am) Sun/Pub (6 pm-7 am)

LB M, LB M, IB, LB, PC, SN

AA, M, IB, LB, PC, SN

Notes to Table 20:

Table reproduced from TfNSW Construction Noise Strategy

The following abbreviations are used: Alternative accommodation (AA), Monitoring (M), Individual briefings (IB), Letter box drops

(LB), Proposal specific respite offer (RO), Phone calls (PC), Specific notifications (SN)


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The subjective noise categories in Table 20 refer to the noise level above background. For example, 10 dB(A) to 20 dB(A) above background (categorised as Clearly audible) corresponds to an exceedance of the Noise Management Levels of 5 dB(A) to 15 dB(A), as the Noise Managements Levels are based upon the background noise level (or RBL) + 5 dB(A).

Based on TfNSW’s additional mitigation matrix and the predicted noise levels in Section 6.3, the following additional mitigation and management measures are required to be implemented for the proposed works.

The required additional mitigation measures are provided in Table 21 and Table 22.

Table 21 – Recommended additional mitigation measures (Oatley Railway Station Upgrade)

Scenario Receiver Standard Hours Out-of-hours

Demolition of existing structure and site clearing

R1 LB, M Not applicable







R1 LB, M AA, M, IB, LB, PC, SN

R2 - M, IB, LB, PC, SN

R3 - M, LB


R5 - AA, M, IB, LB, PC, SN



R1 LB, M AA, M, IB, LB, PC, SN






Construction of external cladding


R2 - Not applicable

R3 - Not applicable

R4 - Not applicable

R5 - Not applicable

R6 - Not applicable


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Table 22 – Recommended additional mitigation measures (Oatley Commuter Car Park Upgrade)

Scenario Receiver Standard Hours Out-of-hours

Site clearing and bulk earthworks





R5 - Not applicable

R6 - Not applicable

Excavation and installation of drainage

R1 - Not applicable

R2 - Not applicable

R3 - Not applicable


R5 - Not applicable

R6 - Not applicable


R1 - Not applicable

R2 - Not applicable



R5 - Not applicable

R6 - Not applicable

Line-markings and signposting

R1 - Not applicable

R2 - Not applicable

R3 - Not applicable


R5 - Not applicable

R6 - Not applicable

Landscaping R1 - Not applicable

R2 - Not applicable

R3 - Not applicable


R5 - Not applicable

R6 - Not applicable


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8.2 Approach to community consultation

It is understood that these activities will be undertaken in accordance with TfNSW plans and procedures. It is recommended that as a minimum, these works are carried out with consideration to the predicted noise levels, and that the following items are at a minimum implemented:

information provided to potentially affected local residents prior to commencement of noisy activities (web site, information sessions and project flyers)

undertake a letterbox drop outlining construction methods, duration and timing of events – as a guide, any potentially affected receivers located within 250 metres of proposed construction works should be included in the extent of letter box drops covering:

o Oatley Parade

o Oatley Avenue

o Mulga Road

o River Road

o Frederick Street

o Letitia Street

o any others as considered applicable by TfNSW

A contact number should be provided to the public so that information can be received or complaints made in relation to noise. A log of complaints would be maintained and actioned.

8.3 Out-of-hours works

It is recommended that the OOH noise level impacts be confirmed following detailed design stage of the project.

Compliance monitoring, in accordance with the prepared environmental management plans prepared, will be required during all OOH works.

8.4 Construction vibration

While it is understood the curtilage associated with Oatley Railway Station has potential heritage value, key items of heritage significance are considered to be: a) the Heritage Platform Building and b) the Signal Hub.

Based on distances of separation present, there is the potential for recommended safe working distances to be encroached for activities undertaken near the Heritage Platform Building.

Vibration intensive plant utilised near heritage structures (mobile sources, hydraulic hammering, jack hammering, vibratory rolling or similar) will be required to be managed to prevent structural damage occurring. Intensive works within 25 metres of Heritage Platform Building should be carefully planned and monitored.

Attended vibration monitoring or vibration trials should be undertaken to ensure that levels remain below the criterion.

An effective management method is to conduct continuous vibration monitoring during vibration intensive activities. The monitoring should be undertaken by setting up a continuous vibration logger at 1 metre from any heritage structure or item.


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The vibration logger should have warning system which include alarm/flashing light and sending of text messages to appropriate personnel. Where an event is triggers, works should cease. Vibration monitoring would typically involve the placement of tri-axial geophones or accelerometers on building foundations and measured over the frequency range of 4 to 500 Hz, in accordance with DIN 4150. Captured tri-axial waveforms should be analysed to ascertain criterion compliance.

Building condition surveys should also be completed both before and after the works at all heritage structures to identify existing damage and any project related damage.

8.5 Operational noise

Any mechanical plant proposed will need to be selected with consideration to sound emission levels.

9 Statement of potential impact

Noise and vibration impact assessment for the construction works of the Oatley Railway Station Accessibility Upgrade and Commuter Car Park Upgrade have been conducted. Operational noise impact assessment has also been undertaken for the expanded Commuter Car Park.

9.1 Construction

The construction noise predictions indicate that many of the proposed construction activities are likely to exceed the construction noise management levels at surrounding sensitive receivers. Therefore, the noise and vibration management and mitigation measures recommended and detailed in this report and in TfNSW CNS (2012) should be implemented accordingly.

During detailed design stage, when more specific information is available in relation to the proposed construction works, it is recommended that a site-specific Construction Noise and Vibration Management Plan be prepared, consistent with the requirements of the ICNG.

Specific management measures (expected to be in the form of monitoring and vibration trials) will be required to minimise potential adverse impacts to any existing heritage structures.

9.2 Operation

The operational noise predictions indicate that the operation noise levels from the Commuter Car Park at surrounding residences will comply with the noise goals under normal parking motion. Noise from additional road traffic due to the expanded Commuter Car Park has been assessed to not significantly increase the existing ambient levels in the area.


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10 References

AS1055, 1997 Acoustics–Description and measurement of environmental noise

Bayerisches Landesamt für Umwelt 2007, Parking Area Noise

British Standard 6472 Guide to evaluation of human exposure to vibration in buildings

British Standard 7385 Evaluation and measurement for vibration in buildings

DEC 2006 Assessing Vibration – a technical guideline

DECCW 2009 Interim Construction Noise Guidelines

DECCW 2011, Road Noise Policy

DIN 4150-3 1999, Structural Vibration Part 3 Effects of Vibration on Structures

EPA 2000, NSW Industrial Noise Policy

NSW DEC 2006, Environmental Noise Management Assessing Vibration: a technical guideline

OEH 2010 Application Notes to NSW Industrial Noise Policy

RSA 2014, Report 13126R1R0

TfNSW 2012, Construction Noise Strategy.


Appendices

Appendix 1 – General acoustic terminology

A-weighted sound pressure

The human ear is not equally sensitive to sound at different

frequencies. People are more sensitive to sound in the range

of 1 to 4 kHz (1000 – 4000 vibrations per second) and less

sensitive to lower and higher frequency sound. During noise

measurement an electronic ‘A-weighting’ frequency filter is

applied to the measured sound level dB(A) to account for

these sensitivities. Other frequency weightings (B, C and D)

are less commonly used. Sound measured without a filter is

denoted as linear weighted dB(linear).

Ambient noise

The total noise in a given situation, inclusive of all noise

source contributions in the near and far field.

Community annoyance

Includes noise annoyance due to:

character of the noise (e.g. sound pressure level,

tonality, impulsiveness, low-frequency content)

character of the environment (e.g. very quiet suburban,

suburban, urban, near industry)

miscellaneous circumstances (e.g. noise avoidance

possibilities, cognitive noise, unpleasant associations)

Human activity being interrupted (e.g. sleep,

communicating, reading, working, listening to radio/TV,

recreation).

Compliance

The process of checking that source noise levels meet with

the noise limits in a statutory context.

Cumulative noise level

The total level of noise from all sources.

Extraneous noise

Noise resulting from activities that are not typical to the area.

Atypical activities may include construction, and traffic

generated by holiday periods and by special events such as

concerts or sporting events. Normal daily traffic is not

considered to be extraneous.

Feasible and reasonable measures

Feasibility relates to engineering considerations and what is

practical to build; reasonableness relates to the application

of judgement in arriving at a decision, taking into account the

following factors:

noise mitigation benefits (amount of noise reduction

provided, number of people protected)

cost of mitigation (cost of mitigation versus benefit

provided)

community views (aesthetic impacts and community

wishes)

Noise levels for affected land uses (existing and future

levels, and changes in noise levels).

Impulsiveness

Impulsive noise is noise with a high peak of short duration or

a sequence of these peaks. Impulsive noise is also

considered annoying.

Low frequency

Noise containing major components in the low-frequency

range (20 to 250 Hz) of the frequency spectrum.

Noise criteria

The general set of non-mandatory noise levels for protecting

against intrusive noise (for example, background noise plus

5 dB) and loss of amenity (e.g. noise levels for various land

use).

Noise level (goal)

A noise level that should be adopted for planning purposes

as the highest acceptable noise level for the specific area,

land use and time of day.

Noise limits

Enforceable noise levels that appear in conditions on

consents and licences. Noise limits are based on achievable

noise levels, which the proponent has predicted can be met

during the environmental assessment. Exceedance of noise

limits can result in the requirement for either the

development of noise management plans or legal action.

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l of a noise sou

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t for 10% of the 15 md to the average max

ous (energy averageas the steady sound l

energy as the corres

ed for 90% of time (bnd sound level (in th

ssure level that

ment/person).

one or more

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es with tonal ch

5:00 1

Monitoring Period (minu

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el in dB(A) gives

of the noise.

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15 minute interval.

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background level). The absence of the sou

t produces a de

prominent ton

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B(A) penalty is

aracteristics

10:00

utes)

Appendices

d energy

er levels

B(A), as

pressure

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se, traffic

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nt period

pressure e same

ng

he average urce under

etectable

es (and

) and is

typically

15:00


Appendices

Appendix 2 – Instrument calibration certificates

100RevDat


AAppendices

100RevDat


AAppendices

100RevDat


AAppendices


Appendices

Appendix 3 – Daily noise logger graphs Noise Logging Location NM1

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90

Location -Measured Noise Levels -

1 River Road, Oatley (Northern Boundary)Thursday 16/01/2014

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


1 River Road, Oatley (Northern Boundary)Friday 17/01/2014


Appendices

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


1 River Road, Oatley (Northern Boundary)Saturday 18/01/2014

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


1 River Road, Oatley (Northern Boundary)Sunday 19/01/2014


Appendices

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


1 River Road, Oatley (Northern Boundary)Monday 20/01/2014

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


1 River Road, Oatley (Northern Boundary)Tuesday 21/01/2014


Appendices

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


1 River Road, Oatley (Northern Boundary)Wednesday 22/01/2014

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


1 River Road, Oatley (Northern Boundary)Thursday 23/01/2014


Appendices

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


1 River Road, Oatley (Northern Boundary)Friday 24/01/2014


Appendices

Noise Logging Location NM2

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, OatleyThursday 16/01/2014

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, OatleyFriday 17/01/2014


Appendices

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, OatleySaturday 18/01/2014

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, OatleySunday 19/01/2014


Appendices

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, OatleyMonday 20/01/2014

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, Tuesday 21/01/2014


Appendices

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, OatleyWednesday 22/01/2014

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, OatleyThursday 23/01/2014


Appendices

20

30

40

50

60

70

80

90

100

0:15

1:00

1:45

2:30

3:15

4:00

4:45

5:30

6:15

7:00

7:45

8:30

9:15

10:0

0

10:4

5

11:3

0

12:1

5

13:0

0

13:4

5

14:3

0

15:1

5

16:0

0

16:4

5

17:3

0

18:1

5

19:0

0

19:4

5

20:3

0

21:1

5

22:0

0

22:4

5

23:3

0

SP

L d

B(A

)

Time

LA1

LA10

LAeq

LA90


Unit 1, Uniting Care Retiring Village, Oatley Parade, OatleyFriday 24/01/2014


Appendices

Appendix 4 – TfNSW Standard Mitigation Measures

Action required Applies to Details

Management measures

Implementation of any

project specific mitigation

measures required

Airborne noise

Ground-borne noise & vibration

In addition to the measures set out in this table, any project

specific mitigation measures identified in the environmental

assessment documentation (e.g. REF, submissions or

representations report) or approval or licence conditions must

be implemented.

Implement community

consultation measures

(refer to Appendix C of

TfNSW’s Construction

Noise Strategy (Rail

Projects) for further details

of each measure)

Airborne noise


Periodic Notification (monthly letterbox drop) Note 1

Website

Infoline

Construction Response Line

Email distribution list

Community Liaison Group (if required by approval

conditions).

Site inductions Airborne noise


All employees, contractors and subcontractors are to receive

an environmental induction. The induction must at least

include:

all relevant project specific and standard noise and

vibration mitigation measures

relevant licence and approval conditions

permissible hours of work

any limitations on high noise generating activities

location of nearest sensitive receivers

construction employee parking areas

designated loading/unloading areas and procedures

site opening/closing times (including deliveries)

environmental incident procedures.

Behavioural practices Airborne noise No swearing or unnecessary shouting or loud stereos/radios;

on site.

No dropping of materials from height; throwing of metal items;

and slamming of doors.

Monitoring Airborne noise


A noise monitoring program is to be carried out for the duration

of the works in accordance with the Construction Noise and

Vibration Management Plan and any approval and licence

conditions.


Appendices


Attended Vibration

Measurements

Ground-borne vibration Attended vibration measurements are required at the

commencement of vibration generating activities to confirm

that vibration levels are within the acceptable range to prevent

cosmetic building damage.

Source Controls

Construction Hours and

Scheduling

Airborne noise


Where feasible and reasonable, construction should be carried

out during the standard daytime working hours. Work

generating high noise and/or vibration levels should be

scheduled during less sensitive time periods.

Construction Respite

Period


Airborne noise

High noise and vibration generating activities Note 2 may only be

carried out in continuous blocks, not exceeding 3 hours each,

with a minimum respite period of one hour between each

block Note 3

No more than four consecutive nights of high noise and/or

vibration generating work may be undertaken over any 7 day

period, unless otherwise approved by the relevant authority.

Equipment Selection Airborne noise


Use quieter and less vibration emitting construction methods

where feasible and reasonable.

For example, when piling is required, bored piles rather than

impact-driven piles will minimise noise and vibration impacts.

Similarly, diaphragm wall construction techniques, in lieu of

sheet piling, will have significant noise and vibration benefits.

Maximum Noise Levels Airborne-noise The noise levels of plant and equipment must have operating

Sound Power or Sound Pressure Levels compliant with the

criteria in Table 2 of TfNSW’s Construction Noise Strategy

(Rail Projects).

Rental plant and

equipment

Airborne-noise The noise levels of plant and equipment items are to be

considered in rental decisions and in any case cannot be used

on site unless compliant with the criteria in Table 2 of TfNSW’s

Construction Noise Strategy (Rail Projects).

Use and siting of plant Airborne-noise Simultaneous operation of noisy plant within discernible range

of a sensitive receiver is to be avoided.

The offset distance between noisy plant and adjacent sensitive

receivers is to be maximised.

Plant used intermittently to be throttled down or shut down.

Noise-emitting plant to be directed away from sensitive

receivers.


Appendices


Plan worksites and

activities to minimise noise

and vibration

Airborne noise

Ground-borne vibration

Plan traffic flow, parking and loading/unloading areas to

minimise reversing movements within the site.

Non-tonal reversing

alarms

Airborne noise Non-tonal reversing beepers (or an equivalent mechanism)

must be fitted and used on all construction vehicles and mobile

plant regularly used on site and for any out of hours work.

Minimise disturbance

arising from delivery of

goods to construction

sites.

Airborne noise Loading and unloading of materials/deliveries is to occur as far

as possible from sensitive receivers.

Select site access points and roads as far as possible away

from sensitive receivers.

Dedicated loading/unloading areas to be shielded if close to

sensitive receivers.

Delivery vehicles to be fitted with straps rather than chains for

unloading, wherever possible.

Path Controls

Shield stationary noise

sources such as pumps,

compressors, fans etc.

Airborne noise Stationary noise sources should be enclosed or shielded whilst

ensuring that the occupational health and safety of workers is

maintained. Appendix F of AS 2436: 1981 lists materials

suitable for shielding.

Shield sensitive receivers

from noisy activities

Airborne noise Use structures to shield residential receivers from noise such

as site shed placement; earth bunds; fencing; erection of

operational stage noise barriers (where practicable) and

consideration of site topography when situating plant.

Note 1 Detailing all upcoming construction activities at least 14 days prior to commencement of relevant works

Note 2 Includes jack and rock hammering, sheet and pile driving, rock breaking and vibratory rolling.

Note 3 Continuous’ includes any period during which there is less than a 60 minutes respite between ceasing and recommencing any of the work.

Documents

Oatley Station Accessibility Upgrade Noise and Vibration …€¦ · 100404-01-RPT-FINAL Rev: 2 Date: 31 March 2014 2 1 Introduction The Transport Access Program (TAP) is a government