Bridge construction work

Description

Transport Scotland wishes to appoint a suitably experienced contractor to undertake the replacement of the expansion joints on the Forth Road Bridge (the "Works"). Transport Scotland is an agency of the Scottish Government and contracts in the name of and on behalf of the Scottish Ministers. Transport Scotland has identified the requirement to appoint a Principal Contractor to undertake the replacement of the expansion joints on the Forth Road Bridge. The main Contractor will be procured through a competitive tender procedure in accordance with the restricted procedure as stated in the Public Contracts (Scotland) Regulations 2015 (the "Regulations"). Due to project complexity, the project requires to be performed by a single contractor and as such will not be divided into lots. To be considered for the contract, economic operators are required to complete the European Single Procurement Document (ESPD) in accordance with this notice. Economic operators shall be evaluated in accordance with the Regulations on the basis of the information they have been provided within the ESPD. Project Details. The Forth Road Bridge spans the Firth of Forth and carries the A90 Trunk Road between Fife and Lothian. The bridge consists of two approach viaducts and a suspension bridge which forms the main section of the structure. The main span is 1 006 metres long with side spans each of 408 metres. The deck is an open steel truss with an orthotropic stiffened plate on the main span and reinforced concrete slabs on the side spans. The truss is supported by two aerially spun cables each of approximately 590 mm diameter. The main expansion joints are located at the north and south main towers. These are of the "roller shutter" or rolling leaf type and were developed, fabricated and installed by the German firm Demag AG. These joints are believed to be the largest and oldest of their type in existence. The replacement joints will be a modified version of the same type of joint. While the carriageway closures are in place for the replacement of the main expansion joints and the adjacent footway/cycleway joints it is also proposed to undertake the replacement of the comb joints on the north and south approach viaducts, and the nosing joints at the north and south side towers. The replacement of the footway/cycleway expansion joints on the approach viaducts will also be undertaken. The principal elements of the works will comprise, but will not be limited to: — Replacement of the carriageway expansion joints at the north and south main towers, — Replacement of the carriageway expansion joints on the north and south approach viaducts, — Replacement of the carriageway nosing joints at the north and south side towers, — Replacement of the footway/cycleway joints at the north and south main towers, — Replacement of the footway/cycleway joints at the north and south approach viaducts, — Provision of as constructed information, — Provision of the Health and Safety File.