Opportunity overview
Quayside Civils (These works are the focus of this PQQ) - Setting up principal contractor welfare area including all temporary service connections, - Breaking out and disposal of concrete guide walls following installation by quay wall contractor, - Removal of piling mat, installed by Others, - Cropping of diaphragm wall to cut off level. - Reinforced concrete capping beams, to both quay and anchor wall, with a design life of 100 years to tie in with the Phase 1 quay, Including the supply and installation of all quay furniture cast in elements. - Removal of existing sheet pile quay wall, anchor wall and tie rods. - Excavation to tie rod level, approximately +0.0mCD, including dewatering system to facilitate, - Installation of tie rods (free-issue) between quay and anchor walls, - Backfilling above tie rods to formation level using site-won material, - 100m wide quay apron along the entire length of the new quay including capping layer and unbound stone pavement, - 250kPa uniform loading capacity, - Finished level of +6.5mCD (varies depending on drainage falls), - Installation of temporary and permanents sheet piles, - Infiltration drainage system with trenches as required, - Quay furniture including flexible mooring and berthing equipment such as pneumatic fenders, removeable bollards, and safety equipment inclusive of all associated cast in items, - Instrumentation and monitoring equipment associated with the quay wall. - Upgrades to the existing quayside which extends east beyond the new Phase 2 300m diaphragm wall and apron by approximately 758m, whilst retaining the existing quay wall, to extend the usable quayside (dredged by others). There will be a requirement for the Contractor to coordinate elements of works with the Clients quay wall and landside civils principal contractors. There is potential for the works to be varied to extend the new quay wall and quay wall civils further than the initial 300m.
Classification
- CPV45000000 — Construction work