Reading Station Transfer Deck

  • Year: 2012
  • Location: Reading, England
  • Client: Costain and Hochtief
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The transfer deck at Reading Station is the focal point for the wider £850M multi-contract Reading Station Area Regeneration scheme. The 96m long x 30m wide Transfer Deck (pedestrian footbridge) links the north entrance building to the western gate line and spans all network rail lines and provides access to platforms 7 to 15. Structurally the bridge is a formed by four lines of 1.4m deep plate girders, the outer girders form a Vierendeel truss with the side steelwork.

The transfer deck main girders run between the two new buildings, connected by 1m deep plate cross girders. The side steelwork and roof trusses of the footbridge are formed by 500mm x 500mm jumbo hollow sections. Due to limitations on site and the fact that it spans a functioning and busy railway station, the deck was constructed in three separate stages away from the railway environment, on its supporting concrete piers.

Each of the first two stages, prior to being launched, were erected on the concrete piers which span the five new platforms. Consequently, the steelwork erection was not being carried out over live railway lines. Stage 1 and stage 2 were launched in July and August respectively.

CBUK provided expert advice to the designer on erection methods and details for ease of fabrication and buildability.

CBUK’s sister company Dorman Long Technology provided full launch engineering services including launch scheme design, stage by stage launch analysis of the structure, conceptual and detailed design of all temporary works and equipment, supply of the strand jacking equipment and production of method statements.

The steelwork elements of the structure were fabricated in CBUK’s Darlington facility.   The sizes of the elements were designed to allow them to be transported to site by road haulage. Throughout the fabrication CBUK utilised state of the art engineering techniques including a virtual trial assembly to ensure that the fit up was assured when delivered to site.

Sub assembly areas were established on the east and west of the transfer deck footprint to allow the fabricated steel sections to be formed into larger elements.

CBUK commenced on site in late April 2012 and had completed the erection and launch of the superstructure by late October 2012 in accordance with the contract programme.

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