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The Paddington Bridge Project
Client: Westminster City Council, BAA, Railtrack
Contractors Designers: Scott Wilson, Cass Hayward
Form of Contract: NEC Option C
Dates work carried out: 2003 - 2006
HOCHTIEF was engaged to undertake the design, planning and overall management of this complex and innovative scheme to demolish the existing Bowstring Arch Bridge at Bishops Bridge Road, and replace it with a new structure. A project team was formed including structural and civil engineering designers, planners, rail professionals, steelwork fabricators and demolition specialists.
The scheme required the demolition and removal of multiple structures carrying a busy urban road across multiple Network Rail lines with OLE, and its replacement by the innovative technique of lifting and launching the new steel composite structure across the space. The new bridge spans 14 Network Rail lines, 2 LUL lines, and the Grand Union Canal at the entrance to Paddington Station, one of the busiest rail termini in London. Associated with the scheme was an element of work to the railway signalling and communications systems.
HOCHTIEF worked with the Client team and Network Rail at an early stage in a partnering atmosphere to ensure all risk could be identified and planned out of the project.
The management of safety and risk, minimising disruption to the train operating companies, commuters, and motorists were paramount. Work was designed to maximise safety and minimise disruption to the station, train operating companies and commuters. To this end substructure works involved installation of foundations to Platforms 1 and 10 using non-disruptive methods of construction such as hand-dug caisson piles avoiding the need for heavy plant and subsequent possessions.
Planning, programming and coordination with multiple stakeholders was critical to the success of the scheme. Effective PR and communications ensured the travelling public, local residents and businesses statutory services and up to 26 stakeholders and interested parties were kept informed. Sensitive traffic routes around Paddington Station demanded, and got, flawless Traffic Management.
The contract, to NEC Option C, was completed on time in June 2006, within agreed Target Cost.