Road bridge construction work

Tender description

Transport Scotland wishes to appoint a suitably experienced contractor to undertake the refurbishment of the M8 Kingston Bridge South Approaches copes and parapets. 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 main contractor to undertake the refurbishment of the M8 Kingston Bridge South Approaches copes and parapets. These works are due to commence in early summer 2017, for a period of approximately 4 months. 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. Due to project complexity, the contract requires to be performed by a single contractor and as such shall not be divided into lots. To be considered for this contract economic operators are required to complete the European Single Procurement Document (ESPD) in accordance with this Contract Notice. Economic operators shall be evaluated in accordance with the Public Contracts (Scotland) Regulations 2015, on the basis of information they have provided within the ESPD. Project Details: The M8 Kingston Bridge South Approaches are twin bridges located on the M8 Edinburgh — Greenock Trunk Road that carry motorway traffic over local roads 300 m south of the M8 Kingston Bridge near Glasgow City Centre. The structures are 2 separate bridges, one M8 eastbound and one M8 westbound. Each bridge is a multi-span arrangement of post tensioned table top spans and reinforced concrete suspended spans with half-joints over a total length of 262 m and an overall width of 15.57 m. The traffic count information extracted from sensors on the M8 Kingston Bridge South Approach indicate an annual average flow of 103 000 vehicles per day with 12 % HGV. The existing edge copes on the M8 Kingston Bridge South Approaches eastbound and westbound structures each support a 2 rail aluminium parapet and a series of pre-cast cladding panels. The existing copes and parapets are to be replaced as part of the refurbishment works. The provisional scope of the proposed works will include, but is not limited to: — detailed survey of existing cope and parapet, — preparation of fabrication drawings, — fence and gated access to the worksite to prevent public access into the worksite, — design, design check, provision, operation and maintenance of any temporary works that may be required to carry out the works, — traffic management as necessary to allow demolition and replacement of cope(s) and parapet(s) over both structures, — demolition and replacement of existing copes and parapets over a total length of around 524 metres (262 m westbound cope and 262 m eastbound cope), — waterproofing and re-surfacing of a 1 metre strip, adjacent to the replaced cope, over the entire length of the newly constructed copes on both structures, — installation of new bridge joints within the extent of the scheme, — provision of Light and Heavy Recovery vehicles for the duration of the works to serve the carriageway with live traffic management, — development and implementation of a Communications Strategy, working with Traffic Scotland, Scotland TranServ (Transport Scotland’s Term Operating Company for the South West Scotland Trunk Road Unit), emergency services, stakeholders and liaison with local community to minimise any delays, disruption and inconvenience caused, including implementation of noise or other environmental mitigation measures, — all other works generally associated with a structural maintenance scheme on or adjacent to a live motorway, — provision of as-built drawings and contribution and assistance in developing a scheme specific Health and Safety File. Traffic Management — lane closures on the M8 motorway will not be permitted between the hours of 06:00 and 22:00 during the works. Works will only be permitted on one carriageway at any time. Works will be undertaken in two consecutive eight week phases. 1 phase westbound and 1 phase eastbound.