Warrawee Substation - Submissions Report - Transport for NSW ...

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Building formThe design provides for a skillion roof to Brentwood Avenue to visuallybalance the narrow building and the relatively tall walls. Walls are facebrick and would include carefully located penetrations for doors andventilation louvres. It is proposed that external face bricks would beselected for resistance to graffiti, and that mortar joints would bestruck flush to facilitate cleaning.A retaining wall is required at the southern end to allow even gradelevelling of the site.Facilitiesadjoining thebuilding• Transformer yard• Link yard• Concrete hardstand surrounding the building, providing parkingand loading/unloading areas for service vehicles• Transformer and reactor compounds are proposed as concreteblockworkUtilityconnections• An undertrack crossing to allow conduits to be installed• Connection to Council’s stormwater system• Connection to sewer• Relocation of existing RailCorp services within the rail corridorStormwatercontrols anddrainageThe transformer and reactor would be located within a bunded area tobe constructed in accordance with relevant Australia Standards andMaterial Safety Data Sheets. This would ensure that any spills arecontained. The bunded area would contain an oil/water separator toallow the oil to be selectively removed and disposed of.An oil/water separator would be installed on the inlet to the pit thatwould capture runoff from the bunded areas. Water would bedischarged to the stormwater network and oil from the pit would bepumped out for offsite disposal.A new drainage system is proposed to divert the existing open drainpast the new substation building.LightingSecurityAccessExternal security lighting would be installed in a manner whichminimises light spill to areas beyond the site boundary.Security fencing around the substation and the bunded yards wouldbe compliant to RailCorp standards for substation fencing. Fencingaround the substation would be 2.7 metres tall and would beconstructed of weld mesh panels. The fencing would be toppedcroctop only. All steel fence members are galvanised and thenfinished in black powdercoat.Two accesses to the site from Brentwood Avenue would be provided.These would be two concrete driveways. The southern access wouldprovide access to Bunded Yard No. 1 and the substation building. Thenorthern access would provide access to Bunded Yard No. 2 and thesubstation building.Page 7
Fuel/chemicalstorage on site• Approximately 3,100 litres of oil would be stored within thereactor.• Approximately 11,000 litres of oil would be contained within thetransformers.1.4 Studies undertakenTo assess any impacts of the project, the following specific environmental studies have beenundertaken:• Noise and vibration• Flora and fauna1.5 Need and Benefits of the ProjectThe substation is part of the TSU program of electrical upgrading works associated with therollout of the new fleet of Waratah trains to the CityRail network. Once fully operational, thesubstation will provide more power to run trains in this region and reduce the risk of disruptionto rail services by improving service reliability.Based on the power requirements of the new and existing rolling stock, RailCorp modelled thepower demand across the network to identify infrastructure that would require upgrading. Theassessment of the electrical network on the North Shore Line found the existing sectionbetween Gordon and Hornsby would not meet the expected power requirements without anadditional substation between Turramurra and Warrawee.RailCorp then modelled various proposals until the optimum engineering solution wasachieved. The modelling indicated that a new substation would be required to replace theexisting Turramurra Sectioning Hut, utilising its connection to the overhead wiring.The substation is limited to be located within 200 metres of this location to minimise thepotential for arcing (Sparking) between the different sections of the overhead wiring resultingfrom voltage variances that occur in long lengths of cable that could cause the overheadwiring to burn down.1.5.1 Project ImpactsThe key impacts that could potentially result from the implementation of the project wouldinclude:• Noise and Vibration• Traffic and Access• Hydrology and Flooding• Flora and Fauna• Visual Impact and Lighting• Heritage• Socio Economic• Air Quality• Soil and Groundwater Contamination• Land Use• Security• Greenhouse GasPage 8
Page 1 and 2: Warrawee SubstationReview of Enviro
Page 3 and 4: Glossary of termsCEMPConstruction E
Page 5 and 6: Contents1 Introduction and Overview
Page 7: 1.3 Scope of the proposalKey featur
Page 11 and 12: assessment process, the REF documen
Page 13 and 14: Representatives from RailCorp were
Page 15 and 16: 3 Response to Submissions3.1 Overvi
Page 17 and 18: Given the analysis to identify dist
Page 19 and 20: All written submissions received du
Page 21 and 22: Final colours and finishes of the s
Page 23 and 24: deliveries and the local residents
Page 25 and 26: 1:00 pm (Saturday). The estimated h
Page 27 and 28: (a) Any works which do not cause no
Page 29 and 30: 4.6 Water Management4.6.1 Stormwate
Page 31 and 32: 4.10 Heritage4.10.1 Heritage - Non-
Page 33: 4.13.2 GraffitiHoardings, site shed

Warrawee Substation - Submissions Report - Transport for NSW ...

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