Warrawee Substation - Review of Environmental Factors

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Assessment of the environmental impacts and risks3.12 Traffic and access3.12.1 Existing environmentThe surrounding street network is shown on Figure 1.1 and within key local roadsoutlined in the below sections.Brentwood AvenueBrentwood Avenue is a residential street which runs east-west between TurramurraAvenue in the east and the rail corridor in the west. Where the road meets the railcorridor it turns north for about 100 metres before it ends in a cul-de-sac.Parking is permitted on both side of the east-west stretch of the road, which potentiallyresults in only one traffic lane if cars are parked on opposite sides of the corridor. Aturning circle is provided at the point where the northern and east-west stretches ofthe road meet.Parking restrictions are located along the northern stretch of Brentwood Avenue.These restrictions are during school pick up periods.Hastings Road/Warrawee AvenueHastings Road runs east-west from Eastern Road in the east to where it turns north(as Warrawee Avenue). Warrawee Avenue then travels in a northern direction acrossMillewa Avenue/Bangalla Avenue. Warrawee Station is located on Warrawee Avenueto the north of west Hastings Road becomes Warrawee Avenue.Corridor accessThe rail corridor in the vicinity of the proposal can be accessed via three existinggates:Turning circle where Brentwood Avenue turns northNorthern end of Brentwood AvenueHasting Avenue (where it becomes Warrawee Avenue)These access gates are shown on Figure 1.1.Pedestrian accessA pedestrian path is located adjacent to the rail corridor between the northern end ofBrentwood Avenue and the Hasting Avenue/Warrawee Avenue corner. This pathconnects Brentwood Avenue to Warrawee Station to the north.3.12.2 Impact assessmentConstructionThe proposal has the potential for impacts on the traffic and transport network duringthe construction phase.Warrawee Substation Project/Review of Environmental FactorsPage 42 of 64
Assessment of the environmental impacts and risksConstruction accessDuring construction the two Brentwood Avenue access points are to be used as theprimary access to the substation site and also the compound location. The HastingsRoad access gate would potentially be used to access the construction compound.The use of this gate would be minimised and would be used when access to theconstruction compound is blocked due to construction works occurring at thesubstation site. Impacts from the usage of this site are considered to be minor due tothe infrequent use of the access. Any impacts would be minimised through trafficcontrol measures which would be outlined in the Traffic Management Plan.Increase in vehicle movementsThe proposal is expected to result in on average between 4 and 24 vehiclemovements per day. The maximum number of movements would be between 20 and50 vehicle movements per day. This would equate to a maximum of six vehicles perhour, however, on average these movements would be three vehicles per hour. Themaximum number of vehicles is expected to occur during the bulk earthworks on siteand would be associated with the removal of spoil. This period would last forapproximately 80 days. A detailed breakdown of the vehicle movements for eachconstruction activity is located in Table 2.2.This increase in vehicle numbers is not considered significant and would not result inany impact to the operation of the surrounding road network. Due to the proximity ofthe proposal to the Knox Grammar School, impacts during school start and end timeswould potentially be high due to the number of vehicles in the area during these times.To minimise these impacts, vehicle movements (in particularly heavy vehicles) duringthese times would be minimised.The proposal would potentially require the use of oversized vehicles to delivercomponents of the new substation, particularly during the fit out stage. Thesedeliveries would be infrequent and would only be undertaken after consulting withRoads and Maritime Services (RMS) and NSW Police. RailCorp will advise residentsof these vehicle movements.At the peak of the construction period, it is anticipated that approximately 20 staffwould be working on the site. Under a worst-case scenario, it is assumed that all ofthese staff would drive to the site in separate cars. This short term increase invehicular movements is unlikely to have a significant effect on the function of the localroad network. There would be on-site parking, however during the worst casescenario construction staff would be required to park in surrounding street. There issufficient on-street parking in Brentwood Avenue, however the western end ofBrentwood Avenue is unlikely to supply sufficient on-street parking, therefore theparking may occur further to the east.Impacts to pedestrian movementsBrentwood Avenue forms part of a pedestrian access way to and from WarraweeStation and Knox Grammar School. Brentwood Avenue is likely to experience anumber of pedestrian movements at peak periods (e.g. end of school day). Duringconstruction the introduction of additional vehicles to the road network wouldWarrawee Substation Project/Review of Environmental FactorsPage 43 of 64
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Page 4 and 5: CDOperational noise and constructio
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ReferencesAppendix COperational noi
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APPENDIX BMEASURED ONE THIRD OCTAVE
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ReferencesAppendix DAHIMS Search Re
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AHIMS Basic SearchPage 1 of 1Welcom
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