North Ayrshire Council is seeking a contractor for ground investigation works required to inform the design of an upgrade to the B714 link road in south west Scotland.
The upgrade of the B714, which links the trunk road network from the A78 Sharphill Roundabout to the A737, would significantly improve connectivity between North Ayrshire and Glasgow, the Central Belt and the wider motorway network.
North Ayrshire Council recently started the tender process for a £1M ground investigation contract.
The ground investigation works for the 6.5km upgraded route will involve site boreholes, trial pits and sampling. In addition, the council requires laboratory testing and reporting of results.
The work is expected to take around 23 weeks to complete, including the site investigations, laboratory testing, drafting of a final factual report and submission of the final factual report.
The council expects bidding contractors to have a minimum yearly turnover of £1.8M for the last three years in the business area covered by the contract.
The companies’ drillers are also required to have the following educational and professional qualifications:
The equipment needed for the works might include cable percussion rigs, tracked rotary drilling rigs capable of undertaking coring and open hole drilling, 4x4 support vehicles, tractors and plant trailers, a long reach excavator for mine entry trenching, a low ground pressure excavator in soft ground areas, 14t tracked excavators for trial pitting, a pavement coring/DCP rig, tracked support dumpers, Haglund tracked support vehicles, and a water bowser
In addition to the intrusive works plant, the council is also proposing the use of non intrusive geophysics for identifying mine shaft locations.
The deadline for tender submission is 16 September.
The delivery of the scheme, subject to securing the necessary consents and permissions, was agreed by the council’s cabinet in January 2022. Aecom was appointed the designer for the project in April.
The planning application will be submitted this autumn and work on building the new road is expected to start in early 2024
The majority of the project’s funding will be provided by the UK Government through a £23.7M award from the Levelling Up Fund. North Ayrshire Council will contribute the 10% match funding required by the fund.
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