The project consists of the construction of new flood defence barrier to ensure existing assets at Team Valley 33kV Primary Substation do not succumb to flooding Scheme included full boundary reinforced in-situ concrete wall 1.2m to 1.5m high together with installed high security fencing anchor fixed to defence wall, flood gates and stair access points and security lighting.
Following HSG 47 & NPG’s procedure for excavation works associated with flood defence construction on EHV sites protocol – Hand dig trial holes to locate existing services
Construction of structural concrete slabs and walls – (Various widths and heights as specified).
Installation of new security fencing including installations onto concrete walls.
Embankment works required to support proposed works
Removal of vegetation as required.
Modifications to existing road
Installation of drainage system
Installation of ducts & draw pits
Installation of flood pump chambers with pump and associated equipment
Modification of existing inspection chambers.
Installation of flood barrier gates
Installation of barrier fixings for slot in flood barriers as required.
Associated mechanical & electrical requirements (power supply for flood pumps, standby generator, new distribution board, pump kiosks)
Installation of CCTV system.
Reinstatement of adjacent landscape
