Temporary Electrics, Water and Site Services (WP39.1) - Old Oak Common (S4) Station - HS2

Tender description

Temporary Electrics, Water and Site Services WP39.1 scope consists of the design, supply, installation and site testing of all additional temporary electrics, water and other site services required during the constructions of the whole project which includes HS2 and GWML stations plus Shared Accommodation Building (SAB) at Old Oak Common Station. All works to be as required during the construction and commissioning and comply fully with the Standards and Guidance documents, as identified in its section 5. Particularly HS2 standards and British Standards 7671:2018 and 7430 2011. Scope of works will include:- • Relocation of HV Transformers, Main Distribution Units (MDUs) and HV Cabling • Control of switching for HV supplies • Relocation of LV MDUs and cabling • Installation of temporary lighting • Relocation and supply of additional Road lighting • Relocation and supply of additional 110V Transformers, cabling, and socket boxes • Modify existing, supply and Installation of new MDUs • Modification of existing, supply and Installation of new vehicle changing units • Re-cabling tower cranes and plant power supplies and lightning suppression units as they are moved to suit the project programme • Progressive removal of electrical installation at completion of the project • Installation of additional vehicle and plant changing points • Periodic electrical testing for BS7671 and PAT requirements • Relocation, adjustment, and additional site 200mm and 80mm water mains, including values, chambers, and meters • Relocation of Hydrant mains and Hydrants • Modifications to site over pumping and power supplies • Additional temporary fire mains within the construction project • Installation of standpipes • Disinfection of water pipework • Modifications to site WIFI systems • Modifications to site wide BMS electric and Water meter connections • Changes to the site drainage systems • Maintain and relocation of site ventilation system • Relocation and powering of wheel wash and weight bridge The subcontractor is to develop designs to include the installation processes, commissioning, testing and maintain a detailed set of drawings plus operation and maintenance manuals for the temporary installation. Liaison with BBVS, WSP (main designers) and other Subcontractors will be required in the all works area. Contract will be NEC3 ECC Option E