4. Overview of Preferred Rail Infrastructure Pre-Concept Design The preferred rail infrastructure Pre-Concept Design, described in detail in Chapter 5.0, comprises the following: • Wickham Terminus –– A new four platform terminus at Wickham on the western side of Stewart Avenue, consisting of two 10.4m wide island platforms. Island platform configurations are preferred to allow for easier passenger interchange between services; –– Friction buffer stops at the terminus, rated for 25kph; –– Station Street is to be designed for two lanes with one side parking only; and –– Cooper Street to be designed for two lanes only. • Stabling Yard –– The existing Hamilton RailCorp Works area to the west of Hamilton Station is the preferred site for stabling. Two stabling sidings are proposed and each siding has capacity to stable two 8 car intercity trains. Due to site constraints and the desire for the yard to be double ended for reliability, it is necessary to curve the sidings in the middle. Therefore, part of the stabled train will be on curved track; –– A double ended stabling facility; –– A new main line crossover is proposed near 163.4kms between the Up and Down Mains to provide a southern yard connection to access Broadmeadow Station Platforms 1 and 2, to stage construction, and increase yard reliability during normal operation; –– A decanting facility for existing stabling requirements; –– Re-alignment of the Up and Down Main tracks west of Hamilton station is necessary to install a standard turnout into the stabling yard. Due to geometrical and space constraints the largest practical turnout proposed for the yard is a 250:10.5 turnout with a maximum turnout speed of 40km/h (the existing crossover in this area is removed under the RailCorp signalling renewal scheme); –– Due to length and curvature of the stabling yard a fixed OHW system is proposed through the yard; –– Future provision for yard expansion to incorporate a diesel train maintenance and storage facility is allowed; –– Provision of a car park with 120 car spaces including 4 disabled bays, with vehicular access from Swan Street within the proposed stabling yard. • At-grade Level Crossings –– Closure of Stewart Avenue, Railway Street, Merewether Street and Beaumont Street level crossings and all equipment recovered. • Track and Signalling –– Full bi-directional signalling (both Up and Down Line) between Hamilton and Wickham to achieve operational flexibility into and out of the proposed terminus.
Posted on: Mon, 09 Jun 2014 10:16:16 +0000
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