West Ruislip Portal Pipe Jacking

Tender description

SCS JV seeks an experience civil engineering subcontractor with a specialist operation in relation to pipe jacking including a proven portfolio of similar confined working operations. At the HS2 West Ruislip Portal site there is a need divert an small existing water course through new drainage via the method of pipe jacking over a distance in excess of 200m to a depth of 4.0 to 5.0m including along this length a pipe diameter in the order of 1.40m, temporary shafts and permanent manholes. The works are to be undertaken within close proximity of an existing live railway line embankment, new pipe alignment shall have a slight curve on plan. The successful subcontractor shall undertake these works on the basis of full design responsibility including all temporary, procurement and supply of all labour materials and plant, installation of permanent pipe run and inspection chambers /manholes, remove from site all surplus arising spoil, final commissioning / certified testing of entire installation within the confines of West Ruislip Project site boundary abutting the Network Rail main line asset.