Balfour Beatty - Roads North of the Thames-LTC - Trenchless Crossings

Tender description

Contractor will need to take full responsibility for the design and construction, including any required consents/ approvals, constraints and stakeholder management applicable for the various crossings. Works will include, but not be limited to, the following: Launch/ Reception Pit/Shaft Design and excavation, including all appropriate Temporary Works Design and approvals for the launch/ reception pits. Shafts are temporary and does not need to be accessible on completion of the works. HDD Requirements for Design Pricing by contractor • Detail Design of launch and reception pits including relevant calculations to support CD622 application to Highways England. • Detail Design of the pipeline crossing including long sections and explanation/justification for choice of tunnelling method. • Design of all temporary works associated with the installation including relevant checks and approvals. • Design Liaison to support application queries etc. • Mobilization of required plant & material including any associated traffic orders. • Provision of temporary welfare at both work sites for own workforce. • Provision and installation and removal of all temporary works associated with the construction. • Installation of launch pit including plant, labour and materials. • Installation of reception pit including plant labour and materials. • Installation of various trenchless techniques (HDD/ Auger/ Micro) to achieve the desired results, including all as-builts and records. • Supply of PE pipe as required.. • Removal and storage of arisings from excavations. • Disposal of arisings from excavations. • Backfill and reinstatement of excavations. • Removal and disposal of any excess backfill and waste materials resulting from the installation. • Provision of and disposal of all bentonite slurry. • Dewatering. Additional information: The Lower Thames Crossing (LTC) is a new road to better connect Essex and Kent through a tunnel beneath the River Thames. Our purpose is to drive a change in how we deliver - connecting people to jobs and businesses to opportunities, leaving a skills legacy for the local community and construction industry, all whilst restoring nature and drawing a new blueprint for low-carbon construction. Our ambition is to deliver the UK's greenest road, and to do the right thing for local communities and the environment. We can only achieve this with the support of our supply chain, and it is therefore critical that for any supplier to be successful in winning work on LTC, they must demonstrate commitments to supporting delivery of our ambitions: • Delivering the works through a 'zero emissions' solution, and not using diesel on site in any plant or machinery. • Supporting us to leave a skills legacy for the local community, by not only recruiting locally, but upskilling your workforce to enable meaningful progression into higher paid higher skilled work. • Helping to facilitate successful opportunities by providing early careers roles, as well as inspiring young people into construction through delivery of STEM engagement.