Framework for supply and manufacture of Precast Segmental Smoothbore Shaft linings for construction in new Shaft Tank storage solutions for infra and non-infra sites across the STW network. Diameter of available designed and stocked Precast Segmental Smoothbore Shaft linings to include, but not limited to an internal diameter range of 6m to 25m.

Framework for supply and manufacture of Precast Segmental Smoothbore Shaft linings for construction in new Shaft Tank storage solutions for infra and non-infra sites across the STW network. Diameter of available designed and stocked Precast Segmental Smoothbore Shaft linings to include, but not limited to an internal diameter range of 6m to 25m. Features of the stocked product to include, but not limited to: • Designed to relevant standards and regulations for water storing concrete structures suitable for wastewater. • Proven design that has been fitted and in use in the UK Water Industry or equivalent industries • Supplied product suitable for underpinning, caisson and chimney construction methods • Supplied product shall include appropriate jointing and sealing features to deliver a watertight structure