Digital Train Radio System Como Site Review of Environmental ...

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Other infrastructure options were considered, but were not feasible for the proposal. • The proposed monopole is less obtrusive, requires less space and is cheaper to maintain than a lattice tower or guyed mast. The proposed monopole also uses a foundation design that is better suited given the spatial limitations within the rail corridor. The monopole is thinner at the top and less obtrusive than a lattice tower helping to minimise the visual impacts of the proposal. • The monopole can be installed using a hinge mechanism, which removes the need for large cranes. • The installation of a walk-in equipment hut will use more space and is more expensive. The use of outdoor cabinets was the most suitable solution given the limited space, cost and minimisation of environmental impacts. 3.6 Justification of the Preferred Option Overall this work, as part of the DTRS project, will result in significant benefits by providing a more effective communications systems for the RailCorp network. The system is in use around the world and allows for continuous communications coverage, the capacity to make simultaneous calls and greatly improved emergency calling capabilities. Once active, the DTRS will provide a more effective communications system that will assist in the safe and efficient operation of RailCorp’s electrified rail network The proposal for a BTS at Como, 800 metres north of Como railway station was selected because it will enable the site to be consistent with the whole RailCorp DTRS network. Consistent technology choice will enable RailCorp to improve its existing quality of service, reliability and emergency responsiveness. The reasons for selecting the technology are discussed above. The Como site was selected due to its ability to cover the section of track between Oatley and Jannali. The proposed antenna height (i.e. approximately 25 metres) is the minimum height required to provide optimum radio frequency coverage in these sections of track. The proposed site is also close to existing fibre and power supplies and has good construction and maintenance access. The proposal will not require the removal of large amounts of vegetation and there is an adequate buffer distance (at least 100 metres) to the nearest residential receivers. Due to the need to provide RF coverage to the tracks on both sides of the Georges River, the site had to be close to the bridge across the river. There were no sites on the northern side of the river that provided adequate access for construction, hence the site is on the southern side. The site selected provides the best access with minimal visual impact to local residences.
4 Environmental Impact and Risks 4.1 Landforms, Geology and Soils Existing Situation The proposed site is inside the existing railway corridor approximately 12 metres east of the south-bound track, near the heritage-listed Como rail bridge that crosses the Georges River. The site is in a cleared, grassy area with some surrounding trees (refer Figure 4). The monopole and cabinets will be located at the base of an embankment that slopes from the rail line down to the fence. The geology comprises Hawkesbury sandstone and the soil is of the Hawkesbury soil landscape type. Soils in this area are typically shallow and stony and present an extreme erosion hazard. According to the NSW Acid Sulphate Soil Maps (NSW Department of Natural Resources) the area does not contain Acid Sulphate Soils. Figure 4 View of site looking west towards the rail line Potential Impacts Excavation and trenching activities may result in erosion if appropriate mitigation measures are not in place. Soil erosion has the potential to destabilise landforms and deposit sediments in drainage systems and waterways. Sediment deposition and fine particles in suspension within waterways have a direct impact on water quality and aquatic life.
Page 1 and 2: Digital Train Radio System Como Sit
Page 3 and 4: 4.6 Heritage ......................
Page 5 and 6: Approval Process The proposal is be
Page 7 and 8: DTRS systems are now widely used as
Page 9 and 10: Como) at 2 Cremona Road are listed
Page 11 and 12: obligations under the State Environ
Page 13 and 14: 2 Statutory Position and Requiremen
Page 15 and 16: This SEPP protects and preserves bu
Page 17 and 18: The proposed work is to be undertak
Page 19 and 20: Referral to the Commonwealth Minist
Page 21 and 22: 3 Description of the Proposal Scope
Page 23 and 24: 3.1.4 Fibre Optics A new fibre opti
Page 25 and 26: • Multimeter • Hand digging too
Page 27: • It is the only rail-specific co
Page 31 and 32: • sewage from site amenities; and
Page 33 and 34: 4.4 Biodiversity Existing Situation
Page 35 and 36: Construction is expected to take be
Page 37 and 38: 4.6 Heritage Existing Situation A s
Page 39 and 40: • spoil from excavation; • conc
Page 41 and 42: 4.9 Hazardous Materials Existing Si
Page 43 and 44: small number with direct views of t
Page 45 and 46: Possible Control Measures Visual im
Page 47 and 48: Potential Impacts EME levels emitte
Page 49 and 50: 4.17 Demand on Resources Constructi
Page 51 and 52: Clause 228 Factor Impacts Comments
Page 53 and 54: 4.20 Summary of Control Measures La
Page 55 and 56: arranged to determine the significa
Page 57 and 58: elocations or readjustments. Light
Page 59 and 60: Appendix 1: Principles from the Tel
Page 61 and 62: Principal (c) Towers may be extende
Page 63 and 64: Principal (h) Where practical, work
Page 65 and 66: Appendix 2: Design Plans Refer atta
Page 67 and 68: Released By: Robert Mahood UGL Infr
Page 69 and 70: Released By: Robert Mahood UGL Infr
Page 71 and 72: Appendix 3: Database Searches Extra
Page 73 and 74: NPWS - Atlas of NSW Wildlife http:/
Page 75 and 76: NPWS - Atlas of NSW Wildlife http:/
Page 77 and 78: AHIMS Web Services (AWS) Search Res
Page 79 and 80:
Heritage Branch Website - Online Da
Page 81 and 82:
Australian Heritage Database http:/
Page 83 and 84:
Australian Heritage Database http:/
Page 85 and 86:
EPBC Act Protected Matters Report:
Page 87 and 88:
Critical Habitats: Commonwealth Res
Page 89 and 90:
Migratory Species [ Resource Inform
Page 91 and 92:
Dermochelys coriacea Leatherback Tu
Page 93 and 94:
collated from government wildlife a
Page 95 and 96:
Appendix 4: Electro-Magnetic Energy
Page 97 and 98:
Existing Site Radio Systems There a
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