environmental noise assessment - port capacity project
TRANSCRIPT
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Port Capacity Project
Port of Melbourne Corporation
30 April 2013
Document No. 60238086-JG002r3
Environmental NoiseAssessment
Port Capacity Project
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AECOM Port Capacity Project
Environmental Noise Assessment
Environmental Noise Assessment
Port Capacity Project
Prepared for
Port of Melbourne Corporation
Prepared by
AECOM Australia Pty L td
Level 9, 8 Exhibition Street, Melbourne VIC 3000, AustraliaT +61 3 9653 1234 F +61 3 9654 7117 www.aecom.com
ABN 20 093 846 925
30 April 2013
60238086
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AECOM Port Capacity Project
Environmental Noise Assessment
Quality Information
Document Environmental Noise Assessment
Ref 60238086
Date 30 April 2013
Prepared by Jessica Gouthro
Reviewed by David Peoples
Revision History
RevisionRevision
DateDetails
Authorised
Name/Position Signature
0 2-Nov-2012 Initial IssueJessica Gouthro
Senior Engineer
1 8-Nov-2012 Updated IssueJessica Gouthro
Senior Engineer
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Table of Contents
1.0 Introduction 52.0 Project Details 6
2.1 Schedule 62.2 Site Layout 62.3 Sensitive Receivers 82.4 Noise Barriers 9
2.4.1 Existing Noise Barriers 92.4.2 Proposed Noise Barriers 9
3.0 Environmental Noise Emission Criteria 103.1 State Environment Protection Policy No. N-1 (SEPP N-1) 103.2 SEPP N-1 Time Periods 103.3 SEPP N-1 Noise Limits 11
4.0 Current Operations 124.1 Noise Sources 124.2 Noise Levels at Residences 12
5.0 Acoustic Modelling Methodology 13
5.1 Noise Modelling Software 135.2 Noise Modelling Parameters 13
5.2.1 Site Features 135.2.2 Meteorological Conditions 135.2.3 Noise Source Sound Power Levels 14
6.0 Modelling Scenarios 166.1 Scenario 1a 176.2 Scenario 1b 186.3 Scenario 2 19
7.0 Predicted Noise Levels 21
8 0 Reversing Alarms 22
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1.0 Introduction
The Port of Melbourne is Australias largest container and general cargo port and is managed by the Port of
Melbourne Corporation (PoMC).
The Port of Melbourne is critical to Victoria's continued economic growth and development. Port of Melbourne
handles approximately 36% of Australias container trade, and is growing at record levels and is well above pre-
Global Financial Crisis volumes. With a compound growth rate of around 6% p.a., without additional capacity
within 4 to 5 years, the Port will reach its capacity.
The Port Capacity Project will reconfigure and redevelop Webb Dock returning it to its original role as an
international container handling facility. This new container handling terminal will be capable of handling the
equivalent of at least one million containers per annum. The Port Capacity Project includes the upgrade of
Melbournes largest container port, and will include the following:
- Reconfiguration of Webb Dock as a container handling facility, which will include landscaping, screening
(noise walls), dock deepening (dredging) and container storage areas.
- Internal road configuration to improve linkages between the docks, and to redirect port traffic away from
residential areas.
- Provision of additional vehicle delivery facilities for vehicle exports and imports, including pre-delivery
inspection facilities.
- Works to parkland areas to maintain buffers between the port and public areas.
Noise is a key issue for the Port Capacity Project. The project area is bound closely on the east side with
residential area, and there are residential areas located to the west and southwest.
The Port of Melbourne Corporation is committed to effectively managing the noise impacts associated with the
redevelopment of Webb Dock. As part of this commitment, AECOM has been engaged to develop an
Environmental Noise Assessment of the operation of the redevelopment of Webb Dock (Port Capacity Project).
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2.0 Project Details
2.1 Schedule
The project construction is scheduled to commence in 2013, and conclude in 2017. It is anticipated that
operations would commence in 2016.
The Project is anticipated to continuously operate 24 hours per day, although operations are expected to peakduring the Day period, and generally operate at a reduced capacity during the Night period.
2.2 Site Layout
Webb Dock East is to comprise a new international container terminal. The operation of this area will include
container movement on and off transport ships, movement and stacking of containers, and truck loading and
unloading.
A new container storage area is proposed for the area of land north of Webb Dock East. The operation of this
area will include truck loading and unloading.Automotive trade is proposed to be relocated from its current location on Webb Dock East to Webb Dock West.
The operation of this area will include car transport on and off transport ships, and will also serve as a car storage
area.
Figure 1, the Webb Dock Precinct Concept Plan, shows the proposed layout of the Port Capacity Project.
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2.3 Sensi tive Receivers
Residential noise sensitive receivers are located to the east, west, and southwest of the site in Port Melbourne,
Newport and Spotswood, and Williamstown respectively. The nearest residential area is located in Port
Melbourne, approximately 30 metres east of the site.
Figure 2 shows the location of the noise sensitive areas with respect to the site.
PCP Site
Newport
ResidentialArea
Port Melbourne
Residential Area
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2.4 Noise Barriers
2.4.1 Exist ing Noise Barriers
A two-metre high noise barrier is currently installed along the west boundary of Perce White reserve, between the
walking trail and the existing terminal boundary. An approximately twometre high embankment is located along
the east of Webb Dock between the Webb Dock trail and Webb Dock. These features are shown in Figure 3 and
are required to be retained to control noise from the Project. It is understood that the 2-metre barrier will be
demolished as part of the Project, and reinstated prior to commencing operations..
2.4.2 Proposed Noise BarriersProposed noise barriers have been confirmed for the site along the east of the site, to the west of Todd Road. The
height, length and position of these noise barriers have been nominated based on preliminary acoustic design
work.
The noise barriers will be constructed from either Corten Steel or concrete panels. The noise barriers that are
constructed from Corten Steel must comprise a thickness of over 3mm.
When installed, the noise barriers should have no gaps or openings.
Figure 3 shows the proposed noise barrier heights and locations for the barrier along Todd Road. It is noted that
the gap between the barriers at the Todd Road and Williamstown Road intersection is required to be maintainedto provide access for emergency vehicles and pedestrians.
These barriers are required to ameliorate noise propagation toward the nearby residential area, and have been
included in all acoustic modelling in Section 7.0.
Proposed 5 metre
high Noise Barrier
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3.0 Environmental Noise Emission Criteria
The following sections outline the noise criteria that have been used as a basis for this Report. The noise criteria
are based on the requirements of State Environment Protection Policy (Control of Noise from Commerce, Industry
and Trade) No. N-1 (SEPP N-1). The noise criteria were provided to AECOM by Port of Melbourne Corporation
for this assessment.
3.1 State Environment Protection Policy No. N-1 (SEPP N-1)
SEPP N-1 prescribes procedures for determining the statutory environmental noise limits which apply at noisesensitive locations, such as residential areas, with respect to noise due to commercial, industrial and trade
operations. The noise limits prescribed by SEPP N-1 apply to the area of land on the noise sensitive property,
which is within 10m of the noise sensitive building.
The SEPP N-1 noise limits are dependent on:
- Zoning Levels, based on the planning scheme zoning types within 70m and 200m radii of the noise sensitive
area.
- The time of day i.e. different limits apply at different times of the day.
- The background noise level (LA90) in the noise sensitive area, in the absence of noise due to commercial,industrial or trade operations.
Under SEPP N-1, noise from the source under consideration is measured so as to determine its impact over a
continuous 30-minute period. Adjustments to the measured noise level are applied to account for the effects of
duration, tonality, intermittency and impulsiveness.
Note that SEPP N-1 does not apply to noise from audible emergency or safety alarms such as the reversing
alarms that are typically located on industrial equipment. Although not strictly assessed under SEPP N-1, noise
from these sources has been discussed as part of this assessment and recommendations have been provided for
controlling noise emission from these sources.
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3.3 SEPP N-1 Noise Limits
SEPP N-1 noise limits have been determined by Resonate Acoustics and provided to AECOM by Port of
Melbourne Corporation. AECOM were directed by Port of Melbourne Corporation to use the noise limits
determined by Resonate Acoustics for this assessment. AECOM were not commissioned to undertake a peer
review of noise limit determination.
The full report showing background noise monitoring locations and results, zoning level calculation, and resultant
noise limits is shown in Appendix 1. The Table below shows the measurement results, calculated Zoning Levels,
and the SEPP N-1 noise limits that were presented in the Resonate Acoustics report.
Table 2 SEPP N-1 Noise Limit s in the vici nity of the Port Capacity Project, Ref: PCP Environmental Noise Criteri a, Resonate
Acoustics 2013
Location Period
Background
Noise Level
dB(A) LA90
Calculated Zoning
Level
dB(A) LAeq
SEPP N-1 Noise Limi t
dB(A) LAeq
Port Melbourne
Daytime 58 50 58
Evening 51 44 51
Night-time 51 39 51
Newport
Daytime 55 50 55
Evening 51 44 51
Night-time 48 39 48
Williamstown
Daytime 52 50 52
Evening 47 44 47
Night-time 44 39 44
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4.0 Current Operations
Currently, the site at Webb Dock East is occupied by Patrick Stevedores, Toll and Sea Road. The current
operation of this area includes automotive storage and importing facilities, which includes car transport on and off
ships.
4.1 Noise Sources
It was determined during a site visit to the areas surrounding Webb Dock, and through discussions with PoMC,
that the current main noise sources at Webb Dock include ship idling noise and car movement noise. However,the noise emissions from these sources were observed to be insignificant in terms of impacts to nearby noise
sensitive areas.
4.2 Noise Levels at Residences
During a site visit to the current Webb Dock it was confirmed that noise emissions from the current Webb Dock
East operations were not audible at Perce White Reserve, adjacent to the Dock.
Therefore, the noise levels due to current operations were not measureable and are deemed compliant with the
SEPP N-1 noise l imits at the nearest residences.
Truck movements along Todd Road were clearly audible, however, are not assessed under SEPP N-1, as traffic
on public roads is not assessable under SEPP N-1. Note that the truck movements within the proposed facility are
assessed as part of this study.
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5.0 Acoustic Modelling Methodology
This section outlines the methodology that was used to undertake acoustic computer modelling and predict the
SEPP N-1 Effective Noise Levels due to the proposed Port Capacity Project. This section details the modelling
software that was used, lists the assumptions and parameters used in the modelling, and lists the Sound Power
Levels used for each noise source.
5.1 Noise Modelling Software
SEPP N-1 Effective Noise Levels due to the proposed operations were predicted using SoundPLANenvironmental noise modelling software, version 7.0. This software is capable of accurately predicting
environmental noise levels and mapping the results. SoundPLAN is used extensively worldwide, and takes a
standards-based approach to modelling.
The modelling was undertaken using the CONCAWE1 prediction method that is widely used in Australia for
predicting industrial noise, and accepted by EPA.
The CONCAWE method was originally developed for predicting the long-distance propagation of noise from
petrochemical complexes. It is especially suited to predicting noise propagation over large distances because it
accounts for a range of atmospheric conditions that can significantly influence the propagation of noise over large
distances.
5.2 Noise Modelling Parameters
The following sections outline the parameters that were put into the acoustic model to predict the noise levels at
the nearest noise-sensitive locations.
5.2.1 Site Features
Locations of features that were included in the acoustic model were determined from aerial photographs of the
area, Project Layout (GHD Drawing 31-25563 Revision B Dated 30 October 2012), and discussions with GHD
d P MC F t th t i l d d i th ti d lli
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propagation of noise. Likewise, a light to moderate wind (i.e. 1 to 3 m/s) from the source to the receiver tends toassist the propagation of noise to the receiver, while the impact of noise for any receivers in the opposite directionwould be reduced. For higher wind speeds, the wind becomes too turbulent to effectively assist the propagation ofnoise, and background noise levels tend to increase, masking any increases in noise level due to wind-assistedpropagation.
Noise levels were predicted at the noise sensitive receptors based on neutral atmospheric conditions with 3 m/s
wind in direction of receiver, as this is the worst-case scenario in terms of noise propagation in this instance.
Other weather parameters were based on typical worst-case weather conditions, based on climate averages for
Melbourne taken from the Bureau of Meteorology, and were modelled as follows:
- Air pressure: 1013.25 mbar
- Relative. Humidity: 70 %
- Temperature: 10 C
- Pasquil Stability Class: D
- Wind speed: 3 m/s
- Wind direction: worst case (source to receiver)
In general, the meteorological conditions in the vicinity of Webb Dock include higher wind speeds than were
modelled. As noted above, wind speeds in excess of 3 m/s are not favourable for noise propagation due to
turbulence, and cause increased background noise levels at the receiver locations. Therefore, wind speeds of
greater than 3 m/s were not incorporated into the acoustic model.
5.2.3 Noise Source Sound Power Levels
Table 3 presents the Sound Power Levels used in the acoustic model, prior to the application of any applicable
SEPP N-1 adjustments, such as for duration.
The Sound Power Levels are based on:
M t f i t d t t th tl ti S D k3
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Table 3 Octave Band Sound Power Levels Used in Modelling for Major Noise Emitting Sourc es and Events
SourceOctave Band Sound Power Level (dB(A)) (Hz)
63 125 250 500 1000 2000 4000 Total
Truck movements
Accelerating / Braking (per
Truck)1
78 86 91 94 98 99 94 103
Truck movements - Passby
(per Truck) 173 81 86 89 93 94 89 98
Standard straddle crane 83 86 92 97 98 98 93 103
Electric or Hybrid Straddle
crane2
70 73 79 84 85 85 80 90
Container being put down 5
second LAeq92 93 98 101 105 100 95 108
Standard container forklift 97 99 102 106 106 106 101 112
Electric or hybrid container
forklift
280 82 85 89 89 89 84 95
Dockside container crane 72 81 82 89 91 92 83 96
Automatic Stacking Crane
(per crane)3
76 82 87 89 91 88 83 96
Transformer 500kVA4 72 72
Transformer 1000kVA4 73 73
Transformer 1500 kVA4 76 76
Transformer 2000 kVA4 78 78
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6.1 Scenario 1a
This scenario includes the use of the Off Dock Area for truck marshalling. In this scenario, standard diesel engine-
type straddle carriers and container forklifts similar to those currently in use at Swanson Dock have been
modelled.
The following quantities and locations of items have been modelled in this scenario:
- Webb Dock wharf apron
3 mobile dockside cranes per berth (total 6 equally spaced along the length of the dock)
38 container movements per half hour period equally spaced along the wharf apron. It is assumed that
each noise event would last 5 seconds
- Container stacking area
24 straddle cranes in operation in the stacking area, each moving 50% of the time, equally distributed
over the container stacking area
38 container movements per half hour period equally distributed over the container stacking area. It is
assumed that each noise event would last 5 seconds
- Truck marshalling area
- 35 trucks entering and leaving the marshalling area per half hour period. Trucks were modelled as
accelerating / braking while in this area as it is understood that the trucks would be required to stop and wait
in this area before continuing to the Truck Loading AreaTruck Loading Area
12 straddle cranes, each moving 50% of the time, equally distributed over the truck marshalling area
60 container movements per half hour period equally distributed over the truck marshalling area. It is
assumed that each noise event would last 5 seconds
- Empty container park
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Container
Stacking Area
Truck
Marshalling
Empty
Container Park
Alpha Road
Charlie Road
Substations and
Transformers
Truck Loading
Area
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6.3 Scenario 2
Scenario 2 is a fully automated operations scenario, which includes automatic stacking cranes and automated
guided vehicles. In this scenario, truck marshalling would be undertaken at the automated stacking crane at the
container stacking area.
The items proposed in this scenario will be fully electric, operating using power from the terminals supply.
The following quantities and locations of items have been modelled in this scenario:
- Webb Dock wharf apron
3 mobile dockside cranes per berth (total 6 equally spaced along the length of the dock)
38 container movements per half hour period equally spaced along the wharf apron. It is assumed that
each noise event would last 5 seconds
- Container stacking area
8 container stacking modules, each with 2 rail-mounted gantries (total 16 rail mounted gantries) each
operating for 50% of the time
38 containers being moved per half-hour period. These containers are picked up from the wharf apron
and put onto container stacks
- Truck marshalling / Truck loading area
35 trucks entering and leaving the marshalling area per half hour period. Trucks were modelled as
accelerating / braking while in this area as it is understood that the trucks would be required to stop and
wait in this area before continuing to the Truck Loading Area.
60 container movements per half hour period equally distributed over the truck marshalling area. It is
assumed that each noise event would last 5 seconds
- Empty container park
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Container
Stacking Area
TruckMarshalling /
Truck Loading
Area
Empty
Container Park
Alpha Road
Charlie Road
Substations and
Transformers
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7.0 Predicted Noise Levels
This section outlines the predicted noise levels due to the proposed Port Capacity Project for the operation
scenarios outlined in Section 6.0 at the worst-affected residential site for:
- Port Melbourne
- Newport
- Williamstown
Note that the worst-affected site may change for each Scenario. The predicted noise levels are compared to theSEPP N-1 noise limits for each location.
Table 4 Predicted Effective Noise Levels and Assessment against Night Period Noise Limits
LocationSEPP N-1 Night Peri od
Noise Limit
Night Period
Effective Noise LevelCompliance
Scenario 1a
Port Melbourne 51 54 No
Newport 48 45 Yes
Williamstown 44 40 Yes
Scenario 1b
Port Melbourne 51 43 Yes
Newport 48 37 Yes
Willi t 44 32 Y
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8.0 Reversing Alarms
Audible warning alarms are not assessed under SEPP N-1. Tonal audible warning alarms, however, are often
found to cause considerable annoyance to nearby, and even more distant receivers due to the tonal and intrusive
nature of the noise that they emit.
A tonal alarm is generally more audible over greater distances than a broadband-type noise, which tends to be
masked by background noise levels more easily, and is less discernible.It is therefore recommended that consideration is given to eliminating the use of all tonal audible warning alarms
by the future international container terminal and empty container park operator..
Other options for movement alarms include implementing a spotter, visual alarms such as flashing lights, and
broadband audible alarms. Advancements have been made in in audible warning alarms, such that there are
alarms that adjust the sound output to be above the background, and alarms that focus the sound in the area
where persons may be potentially at risk, rather than emitting noise in al l directions equally.
Broadband alarms have been demonstrated to reduce noise complaints from the surrounding community on
construction sites. This is due to the broadband nature of the sound being emitted, which is masked more easily
by other background noises. Some of these alarms are also designed such that the sound is directed to the area
of risk, such that the noise emission is directed toward a residential area for a shorter period of time.
Therefore, where audible warning alarms are required on site at the future international container terminal and
empty container park, it is recommended that broadband-type audible warning alarms are implemented.
Broadband alarms, when selected appropriately, will minimise noise impact on the surrounding community but will
not reduce on-site personnel safety.
9 0 W P k
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10.0 Summary
AECOM has been engaged by GHD and Port of Melbourne Corporation to conduct an acoustic assessment of the
proposed operation of the Port Capacity Project at Webb Dock.
This assessment includes investigation of the proposed port operations, and the predicted noise emissions to the
nearby noise-sensitive areas. The predicted noise emissions have been assessed in accordance with the
Victorian EPA SEPP N-1 Policy. The assessment is concentrated on predicting for compliance in relation to the
more stringent of the three SEPP N-1 noise limits, namely the Night period noise criterion.
The modelled port operation Scenarios that were determined to be compliant with the SEPP N-1 Night periodcriteria are:
- Scenario 1b, which is the traditional manual facility, which includes container movements by manned
straddle cranes from port to truck, and container forklifts operating in the empty container park. New, quiet-
type straddle cranes and container forklifts, such as electric, battery operated, or hybrid equipment are
implemented in this scenario.
- Scenario 2, which is the fully-automated facility that comprises automated stacking cranes and automated
guided vehicles. All equipment in this scenario is assumed to be electrically powered.
Additional advice has been provided in relation to noise from trucks travelling through Westgate Park and inrelation to Audible Warning alarms.
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11.0 Nomenclature
dB(A) A-weighted Decibels. The A weighting adjusts the frequency spectrum to better reflect
the subjective loudness perceived by the human ear.
LA90 The value of A-weighted Sound Pressure Level which is exceeded for 90 percent time
during a given measurement period. LA90Sound Pressure Levels are typically used to
represent background noise levels. [Unit: dB(A)]
Leq A-weighted Equivalent Continuous Sound Pressure Level. This is the constant Sound
Pressure Level over a given time period which is equivalent in sound energy to the time-
varying Sound Pressure Level measured over the same time period. This is commonly
referred to as the average noise level. [Units: dB(A)]
Sound Pressure
Level
Twenty times the logarithm to the base ten of the ratio of the root mean square sound
pressure at a point in a sound field, to the reference sound pressure; where sound
pressure is defined as the alternating component of the pressure (Pa) at the point, and
the reference sound pressure is 2x10
-5
Pa. Unit: Decibels
Effective Noise
Level
The level of noise emitted from a commercial, industrial or trade premises and adjusted
if appropriate for character and duration
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Appendix 1 SEPP N-1 Noise Limit Report
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Document Information
Project Port of Melbourne CorporationPort Capacity Project
Client Port of Melbourne Corporation
Report title Environmental Noise Assessment
Project Number M13038
Author Adrian White
Senior Acoustic Consultant
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GlossaryA Weighted A spectrum adaption that is applied to measured noise levels to
represent human hearing. A-weighted levels are used as human
hearing does not respond equally at all frequencies.
dB Decibela unit of measurement used to express sound level. It
is based on a logarithmic scale which means a sound that is
3 dB higher has twice as much energy. We typically perceive a
10 dB increase in sound as a doubling of that sound level.
dB(A) A Weighted sound level in dB.
Frequency (Hz) The number of times a vibrating object oscillates (moves back
and forth) in one second. Fast movements produce high
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Executive SummaryResonate Acoustics was commissioned by Port of Melbourne Corporation to conduct
background noise monitoring in the vicinity of Webb Dock as part of the Port Capacity Project.
Acoustic criteria have been established for the PCP project in accordance with relevant policy
and guidelines. The relevant policy and guidelines are:
EPA Noise Control Guidelines Publication 1254 (October 2008)
Victorian State Environmental Protection Policy (Control of Noise from Commerce,
Industry and Trade) No. N-1 (SEPP N-1).
Noise limits have been established for noise sensitive areas in accordance with the Victorian
State Environmental Protection Policy (Control of Noise from Commerce, Industry and Trade)
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Table of ContentsExecutive Summary ...................................................................................................................... 4
1 Introduction ............................................................................................................................ 1
2
Site Description ...................................................................................................................... 2
3 Relevant Criteria .................................................................................................................... 3
4 SEPP N-1 .............................................................................................................................. 4
4.1 SEPP N-1 Time Periods .............................................................................................. 4
4.2 SEPP N-1 Zoning Levels ............................................................................................. 5
4.3 Unattended Background Noise Monitoring .................................................................. 5
4.4 SEPP N-1 Noise Limits .............................................................................................. 10
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1 IntroductionResonate Acoustics was commissioned by Port of Melbourne Corporation (PoMC) to conduct
background noise monitoring in the vicinity of Webb Dock as part of the Port Capacity Project
(PCP).
Based on the results of background noise monitoring, noise criteria have been established for
noise sensitive areas (i.e. residential) in accordance with the Victorian State Environmental
Protection Policy (Control of Noise from Commerce, Industry and Trade) No. N-1 (SEPP N-1).
The Victorian Environmental Protection Authority (EPA) provides guidelines in relation to the
management of noise from construction sites in the EPA Noise Control Guidelines Publication
1254 (October 2008). Based on the results of background noise monitoring, noise level
guidelines have been established for weekend and evening works in accordance with EPA
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2 Site DescriptionThe Port of Melbourne is Australias largest container port and is located in Melbourne, in the
vicinity of Port Melbourne, Newport and Williamstown. Figure 1 illustrates the location of Webb
Dock (Port of Melbourne) and surrounding residential areas.
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3 Relevant CriteriaAcoustic criteria has been established for the PCP project in accordance with the following
documentation:
EPA Noise Control Guidelines Publication 1254 (October 2008)
Victorian State Environmental Protection Policy (Control of Noise from Commerce,
Industry and Trade) No. N-1 (SEPP N-1).
The following sections provide an overview of the relevant Publications and Policy and
establishment of noise criteria.
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4.2 SEPP N-1 Zoning Levels
Using the relevant planning schemes, Zoning Levels were calculated for the identified
potentially most affected residences in the vicinity of the PCP. Zoning Levels were calculated in
accordance with Schedule B2 of SEPP N-1.
Table 2 presents the calculated Zoning Levels applicable to noise emissions emanating fromthe PCP. Specified Noise Limits apply within 10 metres of noise sensitive locations (i.e.
residential buildings). All potentially most affected residences have been identified as being
100% Type 1 zoning.
Table 2 - Zoning Levels
Zoning Level
(dB(A))
SEPP N-1 Time Period
Day Evening Night
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4.4 Background Monitoring Locations
The noise monitoring equipment was installed at a number of noise monitoring locations to
measure background noise levels in the vicinity of the PCP.
Table 4 and Figure 2 present the unattended noise monitoring locations.
Table 4 - Unattended Noise Monitoring Locations
Site
NumberLocation GPS Coordinates
1
Noise Monitoring
Period
1PoMC Municipal Depot (53 Todd
Road, Port Melbourne)
316423 m E
5810432 m S
06/03/13
13/03/13
2 The Strand, Williamstown315070 m E
5808574 m S
06/03/13
13/03/13
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Non-Residential
Area
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Retail Centre) and are earmarked for future residential development. Noise monitoring was
undertaken at this location to accurately determine background noise levels in this area. The
acoustic environment in the vicinity of the measurement location was dominated by road traffic
noise from the Westgate Freeway.
Site 2 - The Strand, Williamstown
Background noise monitoring was conducted at a residential premise on The Strand,
Williamstown to accurately determine background noise levels in the Williamstown area.
Background noise levels were not assessed in Newport, as the Newport Power Station may
have had a significant adverse affect on the measured background noise levels. This monitoring
site is located on the boundary of Williamstown and Newport and was not adversely affected by
noise from the Newport Power Station. The acoustic environment in the vicinity of the
measurement location was typically quiet with no significant noise sources in the near vicinity.
Site 3 - Todd Road/Williamstown Road (214 Williamstown Road, Port Melbourne)
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4.5 Weather
Analysis of the unattended noise monitoring results and the Bureau of Meteorologys 30 minute
interval weather data for Melbourne (the nearest weather station to the unattended monitoring
locations) indicated that adverse weather existed during limited periods of the measurement
period. As such, measured data during the periods outlined in Table 5 have been excluded from
this assessment. Adverse weather is defined as periods with high wind or significant rainfall.
Table 5 - Periods excluded from the assessment due to adverse weather conditions
Date Period Excluded
27/02/13 07:00-18:00
27/02/13 - 28/02/13 22:00-07:00
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Table 6 - Background Noise Levels
Site
Background Noise Levels, L90dB(A)
SEPP N-1 Time Period
Day Evening Night
1 61 58 56
2 49 48 45
3 52 51 50
4 56 53 51
5 46 44 41
6 52 48 48
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Background noise levels were not assessed in Newport, as the Newport Power Station would
have had a significant adverse affect on the measured background noise levels. Background
noise monitoring data from The Strand, Williamstown was used in order to determine SEPP N-1
noise limits for Newport. This monitoring site is located on the boundary of Williamstown and
Newport and was not adversely affected by noise from the Newport Power Station.
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Based on the measured background noise levels presented in Table 6, weekend and evening
noise limits have been established at residential areas surrounding the PCP.
Table 8 EPA Weekend/Evening Recommended Noise Levels
Location
Average
Background NoiseLevel, L90,dB(A)
Guideline Noise
Level (First 18Months) dB(A)
Guideline Noise
Level (After 18Months) dB(A)
Port Melbourne 48 58 53
Newport 48 58 53
Williamstown 44 54 49
5.3 Night Work Hours
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6 SummaryResonate Acoustics was commissioned by Port of Melbourne Corporation to conduct
background noise monitoring in the vicinity of Webb Dock as part of the Port Capacity Project.
Based on the results of background noise monitoring noise limits have been established fornoise sensitive areas (i.e. residential) in accordance with the Victorian State Environmental
Protection Policy (Control of Noise from Commerce, Industry and Trade) No. N-1 (SEPP N-1).
Established noise limits are applicable to operations and dredging works associated with the
PCP. The specified noise limits are:
Location
Noise Limit, LeqdB(A)
SEPP N-1 Time Period
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Appendix A Unattended NoiseMonitoring Results
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Appendix 2 Noise Contour Maps
5 576 SIGNS AND SYMBOLS
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CONTOURS
Scenario 1a
Point receiver
Point source
Line source
Base line
Wall
CLIENT:
Port of Melbourne Corporation
PROJECT:Port Capacity Project
A3 SCALE 1:12000
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Wall
CLIENT:
Port of Melbourne Corporation
PROJECT:Port Capacity Project
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CLIENT:
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PROJECT:Port Capacity Project
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00 50100 200 300m
EFFECTIVENOISE LEVEL
LAeq, 30 min (dBA)