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Appendix J - Peabody Energy

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Table 31 Peak Hourly Existing and Project Traffic Flows - Parkes Street<br />

Time<br />

Period<br />

Existing<br />

Traffic<br />

Including<br />

Colliery<br />

Project Additional for<br />

Construction/<br />

Operation<br />

Cumulative<br />

Total<br />

Daily - 24 hours 7,486 94 (1.3%) 7,580<br />

Daytime - morning 749 14 (1.9%) 763<br />

Daytime - afternoon 552 1 (0.2%) 553<br />

Source: MWT 2008<br />

The maximum increase arising from the additional Project related traffic flow is only 1.9% during<br />

construction and operation morning peak hour. The anticipated 1.9% increase in vehicle<br />

movements corresponds to a negligible (0.1 dB) increase in the existing traffic noise levels and<br />

therefore any Project related traffic noise impacts are likely to be acceptable.<br />

11.2 Rail Transport<br />

Railway Noise Criteria<br />

RailCorp operates the South Coast rail network in NSW. Noise emissions from the railway are<br />

regulated via the RailCorp’s EPL No. 12208. The intent of the relevant EPL conditions is to<br />

control airborne noise by two principal means:<br />

• Noise Limits.<br />

• Management of noise via PRPs.<br />

EPL Section L6 Noise Limits (note) provides railway operating noise objectives as follows:<br />

It is an objective of this licence to progressively reduce noise levels to the goals of 60 dB(A)Leq, (24 hr)<br />

and 85 dB(A) max pass by noise, at one metre from the facade of the nearest affected residential<br />

property through the implementation of the Pollution Reduction Programs.<br />

In the development of new works, the licensee is required to work towards the planning goals of<br />

55 dB(A) Leq, (24 hr) and 80 dB(A) max pass by noise, at one metre from the facade of the nearest<br />

affected residential property.<br />

The goals do not represent unobtrusive noise levels. Rather, the objectives recognise that rail<br />

operations are inherently noisy and represent a compromise between what may be desirable from<br />

a community point of view (ie maintaining amenity) and what is necessary to enable trains to<br />

operate.<br />

Rail Traffic Movements<br />

The midweek daily existing, additional and cumulative train movements are presented in Table 32<br />

with the percentage increase arising from the Project additional traffic shown in brackets. Also<br />

shown are the estimated train operating conditions between Helensburgh and Otford in the<br />

vicinity of the Project site.<br />

Heggies Pty Ltd<br />

Report Number 10-5055-R1<br />

Revision 0<br />

Metropolitan Coal Project<br />

Noise Impact Assessment<br />

Helensburgh Coal Pty Ltd<br />

(10-5055R1) 31 July 2008 Page 41

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