Construction work for highways, roads

Tender description

The Welsh Ministers (WM) require a design and build team to construct a new section of the A40 trunk road to the north of Llanddewi Velfrey and Narberth under the ‘A40 Llanddewi Velfrey to Redstone Cross Improvements Project’. Welsh Government intend to conduct the procurement through both a pre-qualification stage and a subsequent tender stage. The Welsh Ministers (WM) require a design and build team to construct a new section of the A40 trunk road to the north of Llanddewi Velfrey and Narberth under the ‘A40 Llanddewi Velfrey to Redstone Cross Improvements Project’ under an New Engineering Contract 4 (NEC4) engineering and construction contract. The WM require the successful project team to take the preliminary design of 2 schemes, as noted in the draft orders for the A40 Llanddewi Velfrey to Penblewin Improvements (published July/August 2019) and the A40 Penblewin to Redstone cross improvements (yet to be published), and undertake the detailed design, construction and aftercare of the project (Key Stage 6). The scheme will include the detailed design and construction of approximately 6,1 km of new trunk road carriageway, including approximately 3,9 km of wide single 2 + 1 carriageway; the construction of one new roundabout and associated side road tie-ins; construction works associated with enlarging one roundabout and associated side road tie-ins; the construction of 2 new staggered T-junctions and associated side road tie-ins; construction of 2 new over-bridges; the construction of 10 new attenuation ponds; the creation of all necessary environmental mitigation and all other works required to satisfy the requirements of the scope and agreements reached with landowners following public local inquiries.