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85 & 97 WATERLOO ROAD COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A MARCH 2017 PREPARED FOR GOODMAN LIMITED LEVEL 17, 60 CASTLEREAGH STREET SYDNEY NSW 2000

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Page 1: 85 & 97 WATERLOO ROAD COMMERCIAL DEVELOPMENT · 2017. 4. 5. · In 1976 Barry Murray joined founding partner Roger Wilkinson and the firm adopted the name which remains today. From

85 & 97 WATERLOO ROAD

COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT

REPORT NO. 16315

VERSION A

MARCH 2017

PREPARED FOR

GOODMAN LIMITED

LEVEL 17, 60 CASTLEREAGH STREET

SYDNEY NSW 2000

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

DOCUMENT CONTROL

Version Status Date Prepared By Reviewed By

A Draft 17 March 2017 Tom Dufty Sean Flaherty

A Final 17 March 2017 Tom Dufty Sean Flaherty

Note

All materials specified by Wilkinson Murray Pty Limited have been selected solely on the basis of acoustic performance.

Any other properties of these materials, such as fire rating, chemical properties etc. should be checked with the suppliers

or other specialised bodies for fitness for a given purpose. The information contained in this document produced

by Wilkinson Murray is solely for the use of the client identified on the front page of this report. Our client becomes the

owner of this document upon full payment of our Tax Invoice for its provision. This document must not be used for any

purposes other than those of the document’s owner. Wilkinson Murray undertakes no duty to or accepts any responsibility

to any third party who may rely upon this document.

Quality Assurance

We are committed to and have implemented AS/NZS ISO 9001:2008 “Quality Management Systems –

Requirements”. This management system has been externally certified and Licence No. QEC 13457 has

been issued.

AAAC

This firm is a member firm of the Association of Australasian Acoustical Consultants and the work here

reported has been carried out in accordance with the terms of that membership.

Celebrating 50 Years in 2012

Wilkinson Murray is an independent firm established in 1962, originally as Carr & Wilkinson.

In 1976 Barry Murray joined founding partner Roger Wilkinson and the firm adopted the name which

remains today. From a successful operation in Australia, Wilkinson Murray expanded its reach into Asia

by opening a Hong Kong office early in 2006. Today, with offices in Sydney, Newcastle, Wollongong,

Orange, Queensland and Hong Kong, Wilkinson Murray services the entire Asia-Pacific region.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

TABLE OF CONTENTS

Page

GLOSSARY OF ACOUSTIC TERMS

1 INTRODUCTION 1

2 SITE DESCRIPTION 2

3 EXISTING ACOUSTIC ENVIRONMENT 3

4 PROJECT NOISE & VIBRATION CRITERIA 3

4.1 Operational Noise Criteria 3 4.1.1 Ryde City Council – Acoustic Requirements 3 4.1.2 NSW Industrial Noise Policy 4

4.2 Off-Site Traffic Noise Criteria 6

4.3 Construction Noise Criteria 6 4.3.1 NSW Interim Construction Noise Guideline 6 4.3.2 Project-Specific Construction Noise Management Levels 8 4.3.3 Construction Traffic Noise Levels 8

4.4 Construction Vibration Criteria 8 4.4.1 Human Exposure to Vibration 8 4.4.2 Building Damage from Vibration 9

5 CONCEPT MASTER PLAN 10

5.1 Operational Noise Assessment 10

5.2 Off-Site Traffic Noise Assessment 10

5.3 On-Site Traffic Noise Intrusion Assessment 11

5.4 Construction Noise & Vibration Assessment 11

6 STAGE 1- 97 WATERLOO ROAD AND DCP ROAD 1 12

6.1 Operational Noise Assessment 13

6.2 Off-Site Traffic Noise Assessment 13

6.3 On-Site Traffic Noise Intrusion Assessment 14

6.4 Construction Noise & Vibration Assessment 14

7 CONCLUSION 15

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

GLOSSARY OF ACOUSTIC TERMS

Most environments are affected by environmental noise which continuously varies, largely as a result of road

traffic. To describe the overall noise environment, a number of noise descriptors have been developed and

these involve statistical and other analysis of the varying noise over sampling periods, typically taken as 15

minutes. These descriptors, which are demonstrated in the graph below, are here defined.

Maximum Noise Level (LAmax) – The maximum noise level over a sample period is the maximum level,

measured on fast response, during the sample period.

LA1 – The LA1 level is the noise level which is exceeded for 1% of the sample period. During the sample

period, the noise level is below the LA1 level for 99% of the time.

LA10 – The LA10 level is the noise level which is exceeded for 10% of the sample period. During the sample

period, the noise level is below the LA10 level for 90% of the time. The LA10 is a common noise descriptor

for environmental noise and road traffic noise.

LA90 – The LA90 level is the noise level which is exceeded for 90% of the sample period. During the sample

period, the noise level is below the LA90 level for 10% of the time. This measure is commonly referred to as

the background noise level.

LAeq – The equivalent continuous sound level (LAeq) is the energy average of the varying noise over the

sample period and is equivalent to the level of a constant noise which contains the same energy as the

varying noise environment. This measure is also a common measure of environmental noise and road traffic

noise.

ABL – The Assessment Background Level is the single figure background level representing each assessment

period (daytime, evening and night time) for each day. It is determined by calculating the 10th percentile

(lowest 10th percent) background level (LA90) for each period.

RBL – The Rating Background Level for each period is the median value of the ABL values for the period

over all of the days measured. There is therefore an RBL value for each period – daytime, evening and

night time.

Typical Graph of Sound Pressure Level vs Time

20

25

30

35

40

45

50

55

60

0:00 3:00 6:00 9:00 12:00 15:00

Monitoring or Survey Period (5 sec samples)

So

un

d P

res

su

re L

evel

(dB

A) LAmax

LA1

LA10

LAeq

LA50

L A90

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

1 INTRODUCTION

Goodman Limited seeks approval for a staged development at 85 & 97 Waterloo Road, Macquarie

Park under Section 83B of the EP&A Act 1979.

Approval is sought for a Concept Plan and Stage 1 development, as follows:

The Concept Plan involves the redevelopment of the entire site (85 & 97 Waterloo Road)

for the purpose of commercial and retail land uses, building envelopes, landscaping,

pedestrian link, car parking, and associated infrastructure; and

The Stage 1 development includes the construction of an 11-13 storey commercial office

building including four split level basements and an adjoining road within the rear north

eastern part of the 97 Waterloo Road site.

Based on the available information, Wilkinson Murray Pty Limited (WM) has undertaken a

preliminary construction and operational noise and vibration assessment in relation to the

proposal.

This report addresses the Concept Plan and the Stage 1 developments independently, with

reference to the Ryde City Development Control Plan for the Macquarie Park corridor (the DCP)

and the relevant NSW policy and guidelines.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

2 SITE DESCRIPTION

An aerial view of the site is shown in Figure 2-1. This identifies the Concept Plan and Stage 1

site boundaries and the closest off site receivers.

Figure 2-1 Site Location Plan Showing Closest Receivers

The site is located in Macquarie park on Waterloo Road south-east of the Macquarie centre. The

site is currently occupied by two commercial buildings and is surrounded on all sides by

commercial premises. According to the DCP the site is zoned B3 (commercial core).

The nearest residential receiver is 190 meters from the closest point of the site at 16 Cottonwood

Crescent. The nearest commercial premises are located across waterloo road approximately 60m

away and adjacent to the North-west boundary 40m away.

The closest buildings to the new road development are located 40m to the north east and south

west of the proposed road

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

3 EXISTING ACOUSTIC ENVIRONMENT

The subject site is located in an urban area with an acoustic environment influenced by

transportation and industrial noise.

In lieu of background noise monitoring this assessment considers estimated background noise

levels for the area classification, as set out in Australian Standard AS 1055.3-1997.

Table 3.1 shows the estimated background noise levels adopted by this assessment.

Table 3-1 Estimated Background Noise Levels from AS 1055.3-1997

Noise

Area

category

Description

Background Noise Level (LA90 dBA)

Monday to Saturday Sundays and Public

Holidays

07:00

-

18:00

18:00

-

22:00

22:00

-

07:00

09:00

-

18:00

18:00

-

22:00

22:00

-

09:00

R4

Areas with

dense

transportation

or with some

commerce or

industry

55 50 45 55 50 45

4 PROJECT NOISE & VIBRATION CRITERIA

4.1 Operational Noise Criteria

4.1.1 Ryde City Council – Acoustic Requirements

In relation to operational noise, the objectives of the Ryde City Council Development Control Plan

(DCP) are that:

The impacts of noise and vibration on residential development are to be mitigated

through appropriate design and the use of insulation; and

The operation of commercial and industrial developments is to protect the amenity of

residential and public spaces.

The following controls are required by the DCP:

a. An Acoustic Impact Assessment report prepared by a suitably qualified acoustic

consultant is required to be submitted with all development applications for commercial,

industrial, retail and community buildings, with the exception of applications minor

building alterations;

b. Development is to comply with all relevant statutory regulations;

c. Where light industrial and commercial development adjoins residential development,

the use of mechanical plant equipment and building services will be restricted and must

have appropriate acoustic insulation;

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

d. Loading and unloading facilities must not be located immediately adjacent to

residential development;

e. Retail premises must limit any spruiking and the playing of amplified music or messages

so as not to disturb the amenity of other public and private places; and

f. Air conditioning ducts shall not be situated immediately adjacent to residential

development.

This report principally addresses Clauses a and b. With respect to this proposal, Clauses c, d and

f are not of particular relevance as the proposed development is not located in the vicinity of any

residential properties.

The Ryde City Council Development Control Plan refers to state policy for the management of

noise emissions from any proposed development or activity within the council area. The

protection of acoustic amenity due to noise from industrial premises in NSW is managed in

accordance with the provisions of the NSW Industrial Noise Policy (INP).

4.1.2 NSW Industrial Noise Policy

The INP provides the framework for deriving noise limits for consents and licences that enables

the EPA to regulate premises that are scheduled under the Protection of the Environment

Operations Act 1997 (POEO Act). This policy seeks to promote environmental wellbeing through

preventing and minimising noise.

Section 1.1 of the INP states the specific policy objectives:

To establish noise criteria that would protect the community from excessive intrusive

noise and preserve amenity for specific land uses;

To use the criteria as the basis for deriving Project-specific noise levels;

To promote uniform methods to estimate and measure noise impacts, including a

procedure for evaluating meteorological effects;

To outline a range of mitigation measures that could be used to minimise noise impacts;

To provide a formal process to guide the determination of feasible and reasonable noise

limits for consents or licences that reconcile noise and vibration impacts with the

economic, social and environmental considerations of industrial development; and

To carry out functions relating to the prevention, minimisation and control of noise from

premises licenced under the POEO Act.

The policy sets out two noise criteria to assess the potential noise impacts resulting from industrial

activity. The first is used to control short-term intrusive noise and its impacts on residences whilst

the second is used to maintain noise level amenity for particular land uses including residences.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

Intrusiveness Noise Impacts

The intrusiveness criterion is summarised as follows:

LAeq,15 minute ≤ rating background level (RBL, LA90) + 5dBA

o LAeq,15minute represents the equivalent continuous A-weighted sound pressure level of

the source over 15 minutes, unless other descriptors are specified as more

appropriate to characterise the source; and

o Intrusiveness noise impacts are assessed at the most affected point on or within the

residential property boundary or if that is more than 30 m from the residence, then

at the most affected point within 30 m of the residence.

Protecting Noise Amenity

The amenity criteria set limits on the total noise level from all industrial noise sources affecting a

receiver. Different amenity criteria apply for different types of receivers (e.g. residential,

commercial, industrial) and different areas (e.g. urban, suburban, rural).

The subject site is located in an area recognised as urban, in terms of the receiver classifications

identified by the INP.

With consideration to the background noise levels set out in Table 3-1, Table 4.1 sets out the

nominated noise criteria applicable to the operation of the Project, based on the provisions of the

INP, as applicable to residential and commercial receivers located in urban areas. The amenity

criteria apply to cumulative industrial noise and not only the industrial noise contribution under

assessment.

Table 4-1: INP Project-Specific Noise Levels (PSNLs)

Receptor

Location

Intrusiveness Criterion

LAeq,15min dBA

Amenity Criterion

LAeq,Period dBA

Day

07:00

-

18:00

Evening

18:00

-

22:00

Night

22:00

-

07:00

Day

07:00

-

18:00

Evening

18:00

-

22:00

Night

22:00

-

07:00

Residential

Receivers 60 55 50 60 50 45

Commercial

Receivers n/a n/a n/a 65 65 65

In assessing noise levels at residences or commercial receivers, the noise level is to be assessed

at the most affected point on or within the property boundary. The commercial criteria are

applicable only when such sites are in use (i.e. generally during business hours).

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

4.2 Off-Site Traffic Noise Criteria

Criteria for off-site road traffic noise are specified in the NSW Road Noise Policy (RNP). The relevant criteria are summarised in Table 4-2. The identified criteria do not apply to vehicle movements within the Site. For the purpose of

assessment, any noise generated by on-site vehicle movements is considered as industrial noise

and assessed holistically with on-site fixed and mobile plant in accordance with the INP.

Table 4-2 RNP Criteria for Road Traffic Noise

Type of Development

Assessment Criteria – dBA

Daytime

07:00

-

22:00

Night

22:00

-

07:00

Existing residences affected by additional traffic on existing

freeways/arterial/sub-arterial roads generated by land use

developments

LAeq,15 hour 60

(external)

LAeq,9 hour 55

(external)

Additionally, where the above criteria are already exceeded the RNP identifies that for “existing

residences and other sensitive land uses affected by additional traffic on existing roads generated

by land use developments”, any increase in the total traffic noise level should be limited to 2dB

above the corresponding road traffic noise levels, due to general traffic growth, that would have

occurred if the project had not proceeded. A 2dB increase is typically considered unnoticeable.

4.3 Construction Noise Criteria

4.3.1 NSW Interim Construction Noise Guideline

The noise criteria set out in the NSW Interim Construction Noise Guideline (ICNG) are considered

in the assessment of potential impacts from construction noise. This document guides the EPA

in setting statutory conditions in licences or other regulatory instruments for construction noise.

Tables 4-3 and 4-4 summarise the relevant construction noise criteria specified in the Guideline.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

Table 4-3 Construction Noise Criteria – Noise at Residences

Time of Day

Management

Level

LAeq,15min

How to Apply

Recommended

Standard

Hours:

Monday to Friday

7am to 6pm

Saturday

8am to 1pm

No work on

Sundays or Public

Holidays

Noise affected

RBL + 10dBA

The noise affected level represents the point above which there

may be some community reaction to noise.

Where the predicted or measured LAeq,,15min 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

75dBA

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:

1. 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;

2. if the community is prepared to accept a longer period of

construction in exchange for restrictions on construction

times.

Outside

recommended

standard hours

Noise affected

RBL + 5dB

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 5dBA above the noise affected

level, the proponent should negotiate with the community.

For guidance on negotiating agreements see section 7.2.2 of

the Guideline.

Table 4-4 Construction Noise Criteria – Noise at Other Sensitive Land Uses

Land Use Management Level,

LAeq, 15min dBA

Commercial Premises External noise level: 70dBA

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

4.3.2 Project-Specific Construction Noise Management Levels

Construction would be constrained to within the ICNG recommended standard hours. With

consideration of the daytime background noise level identified in Table 3-1, Table 4-5 sets out

the applicable Construction Noise Management Levels.

Table 4-5 Project-Specific Construction Noise Management Levels

Receptor Location RBL

LA90 dBA

Noise Affected Level

LAeq,15min dBA

Highly Noise

Affected Level

LAeq,15min dBA

Residential Receivers 55 65 75

Commercial Receivers - 70 -

4.3.3 Construction Traffic Noise Levels

The interim construction noise guideline does not include any criteria to assess off-site traffic

noise associated with the construction. Off-site construction traffic noise has therefore been

assessed under the NSW Road Noise Policy, as detailed in Section 4.2. Noise from traffic

associated with the proposed construction is minimised as much as practical by limitations on

construction hours and Australian Design Rules, which apply to road-registered vehicles.

4.4 Construction Vibration Criteria

When assessing vibration there are two components that require consideration:

human exposure to vibration; and

the potential for building damage from vibration.

Construction work is generally considered an intermittent source of vibration.

4.4.1 Human Exposure to Vibration

Assessing Vibration: A Technical Guideline provides guidance for assessing human exposure to

vibration. The publication is based on British Standard BS 6472:1992. Intermittent vibration is

assessed by the Vibration Dose Value (VDV) which is based on the weighted root mean quartic

(rms) acceleration in each component.

Table 4-6 sets out VDV values as specified by Assessing Vibration: A Technical Guideline.

Table 4-6 Human Comfort Vibration Goals – VDV (m/s1.75)

Place Day (7am-10pm) Night (10pm-7am)

Preferred Maximum Preferred Maximum

Residences 0.20 0.4 0.13 0.26

Commercial

Receivers 0.4 0.8 0.4 0.8

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

4.4.2 Building Damage from Vibration

There are currently no Australian Standards or guidelines to provide guidance on assessing the

potential for building damage from vibration. It is common practice to derive goal levels from

international standards.

British Standard BS 7385:1993 and German Standard DIN 4150:1999 both provide goal levels,

below which vibration is considered insufficient to cause building damage. Of these, DIN 4150 is

the more stringent. DIN 4150 bases the goal levels on the highest vibration level in each

component (Peak Component Particle Velocity – PCPV). Table 4-7 summarises the goal levels

specified in DIN 4150.

Table 4-7 Guideline Values for Vibration Velocity to be used when Evaluating the

Effects of Short-Term Vibration on Structures (DIN 4150-3:1999)

Type of Structure

Guideline Values for Velocity – PCPV (mm/s)

1 Hz to 10

Hz

10 Hz to 50

Hz

50 Hz to 100

Hz

Buildings used for commercial purposes,

industrial buildings, and buildings of similar

design

20 20 to 40 40 to 50

Dwellings and buildings of similar design

and/or occupancy 5 5 to 15 15 to 20

Structures that, because of their particular

sensitivity to vibration, cannot be classified

under either of the other classifications and of

great intrinsic value

3 3 to 8 8 to 10

With regard to these levels DIN 4150 states, “experience has shown that if these values are

complied with, damage that reduces the serviceability of the building will not occur. If damage

nevertheless occurs, it is to be assumed that other causes are responsible. Exceeding [these]

values does not necessarily lead to damage; should they be significantly exceeded, however,

further investigations are necessary.”

For general construction vibration, the dominant frequency of vibration is typically greater than

50 Hz. However, because the dominant frequency of vibration cannot be determined with

certainty at this stage, this assessment has adopted conservative goals of 5 mm/s for residential

buildings and 20 mm/s for industrial buildings.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

5 CONCEPT MASTER PLAN

The Concept Plan involves the redevelopment of the entire site (85 & 97 Waterloo Road) for the

purpose of commercial and retail land uses, building envelopes, landscaping, pedestrian link, car

parking, and associated infrastructure.

5.1 Operational Noise Assessment

The principal operational noise emissions from the site would be from on-site vehicle movements

and mechanical services.

Considering their setback distance, there is no risk of operational noise impacts at the closest

residences.

Individual mechanical plant items would be specified (or otherwise acoustically treated) to ensure

that cumulatively mechanical plant noise would comply with the 65dBA commercial noise criteria

at the closest neighbouring commercial sites.

5.2 Off-Site Traffic Noise Assessment

Traffic generation estimates, provided by the Project’s Traffic Engineers are set out in Table 5-1.

Table 5-1 Traffic Generation Estimates

Assumed

Vehicle

Movements

Existing

Vehicle

Movements

on Waterloo

Road

Project Generated

Vehicle Movements

85

Waterloo

Road

97

Waterloo

Road

AM Peak

Hourly Light

Vehicle

Movements

Approximately

2200 274 133

AM Peak

Hourly %

Heavy

Vehicles

Approximately

7%

Assumption

~ 5%

Assumption

~ 5%

PM Peak

Hourly Light

Vehicle

Movements

Approximately

2620 244 118

PM Peak

Hourly

Heavy

Vehicle

Movements

Approximately

5%

Assumption

~ 5%

Assumption

~ 5%

Based on these volumes, the traffic generated by this development would not be expected to

generate any material increase in off-site traffic noise levels. Traffic noise levels on Waterloo

Road would be expected to be well within the 2dB relative increase criteria.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

5.3 On-Site Traffic Noise Intrusion Assessment

All buildings included in the master plan will be exposed to external traffic noise. The two existing

buildings on Waterloo Road will be exposed to existing traffic levels from Waterloo Road and

Khartoum Road including any predicted increase.

AS NZS 2107.2016 gives internal noise levels for different space usage for the following relevant

usages of office buildings.

Table 5-2 Internal Sound Design Levels

Usage Design Sound Level (LAeq, peroid dBA)

Board and conference Rooms 30-40

Corridors and Lobbies 45-50

General Office areas 40-45

Reception areas 40-45

At detailed design stage, appropriate glazing will be included for all final designs to ensure that

internal levels meet the above internal design levels.

5.4 Construction Noise & Vibration Assessment

Construction noise would be generated principally during:

Demolition of the internal fittings and facades of the existing structure;

Renovation of the existing buildings; and

Landscaping works.

The staging of construction works is unknown at this point in the project. This report may be

updated to reflect planned construction works, once this information is available.

It is noted that the closest residents are located at 16 Cottonwood Crescent and are approximately

190m from the closest point of the site and therefore are unlikely to be impacted by construction

noise or vibration.

Potential impacts on existing commercial uses would be minimised as much as practicable and

relevant control measures will be set out in a construction noise and vibration management plan.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

6 STAGE 1- 97 WATERLOO ROAD AND DCP ROAD 1

Stage 1 of the development includes the construction of an 11-13 storey commercial office

building with four basement levels of car parking and an adjoining road. The proposed site and

associated road is shown in yellow shading in Figure 4-1.

The adjoining road construction is to form part of “Road 1” as outlined in Section 4.5. of the DCP.

Road 1 is indicated in Figure 4.2.

Figure 6-1 Stage 1 Development Area

Figure 6-2 Road 1 Location - Extracted from Ryde DCP

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

6.1 Operational Noise Assessment

The principal operational noise emissions from the site would be from on-site vehicle movements

and mechanical services.

The mechanical plant and services for the building would be located on the roof of the new

structure, the ground floor and in the basement. Plant specification is yet to be undertaken,

however, detailed design would ensure that all plant would be specified and/or screened by walls

or barriers to ensure INP criteria are met.

The car parking areas for the new structure are proposed to be below ground level, which will

limit carpark noise impacts.

Considering their setback distance, there is no risk of operational noise impacts at the closest

residences. Being behind the existing buildings the new structure, residential receivers would be

afforded substantial inherent shielding from the Stage 1 development.

6.2 Off-Site Traffic Noise Assessment

Traffic generation estimates, provided by the Project’s Traffic Engineers are set out in Table 6-1.

Table 6-1 Traffic Generation Estimates

Assumed

Vehicle

Movements

Existing

Vehicle

Movements

on Waterloo

Road

Project

Generated

Vehicle

Movements

97

Waterloo

Road

AM Peak

Hour Light

Vehicle

Movements

Approximately

2200 133

AM Peak

Hour %

Heavy

Vehicles

Approximately

7%

Assumption

~ 5%

PM Peak

Hour Light

Vehicle

Movements

Approximately

2620 118

PM Peak

Hour Heavy

Vehicle

Movements

Approximately

5%

Assumption

~ 5%

Based on these volumes, the traffic generated by this development would not be expected to

generate any material increase in off-site traffic noise levels. Traffic noise levels on Waterloo

Road would be expected to be well within the 2dB relative increase criteria.

Traffic noise levels of up to approximately LAeq 65dBA may be expected at the façade of the

neighbouring commercial premises 40m away. Acceptable internal levels are expected at the

neighbouring building, given its fixed closed windows and substantial glazing standard.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

6.3 On-Site Traffic Noise Intrusion Assessment

The stage one commercial building will be exposed to the traffic noise generated by the new

road. Appropriate glazing will be specified during detailed design to ensure internal noise levels

do not exceed the levels recommended by AS NZS 2107, as set out in Table 6-2.

Table 6-2 Internal Sound Design Levels

Usage Design Sound Level (LAeq dBA)

Board and conference Rooms 30-40

Corridors and Lobbies 45-50

General Office areas 40-45

Reception areas 40-45

Typical commercial buildings will have fixed closed windows and substantial a glazing standard

by design. A typical commercial building such as this would readily achieve acceptable internal

levels.

6.4 Construction Noise & Vibration Assessment

Construction noise would be generated principally during:

The construction of the 11-13 storey building; and

The construction of the road along the north-east boundary.

The staging of construction works is unknown at this point in the project. This report may be

updated to reflect planned construction works, once this information is available.

It is noted that the closest residents are located at 16 Cottonwood Crescent and are approximately

190m from the closest point of the site and therefore are unlikely to be impacted by construction

noise or vibration.

Potential impacts on existing commercial uses would be minimised as much as practicable and

relevant control measures will be set out in a construction noise and vibration management plan.

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COMMERCIAL DEVELOPMENT NOISE AND VIBRATION ASSESMENT REPORT NO. 16315 VERSION A

7 CONCLUSION

Based on available information, Wilkinson Murray has conducted a preliminary noise and vibration

assessment for the proposed Concept Plan and Stage 1 developments at 85 & 97 Waterloo Road,

Macquarie Park.

This assessment has considered operational noise assessment (i.e. potential noise impacts on the

surrounding receivers due to the operation of the proposed uses); off-site traffic noise (i.e. traffic

noise generated by the development); traffic noise intrusion (with respect to impacts on future

occupants of the proposed uses); and construction noise and vibration.

This assessment has determined that, subject to further detailed design, the proposed

developments would be expected to meet the relevant noise and vibration standards.

The proposed developments are considered to present a minimal risk in terms of noise and

vibration impact potential.

Minimum glazing standards and any necessary requirements for the control of mechanical

services noise will be confirmed during detailed design and this report may be updated to reflect

the final design.