EKFB - Green Tunnel Portal Buildings

EKFB are delivering civil engineering works across an 80km section of the new high speed rail link between the Chiltern Tunnel and Long Itchington Wood. Our scope of the works includes 15 viaducts, 6.9km of green tunnels, 22km of road diversions, 81 bridges and around 30 million cubic metres of excavation.

EKFB are seeking to appoint a sub-contractor undertake the construction of 4 green tunnel portal building as detailed below: The buildings are to accommodate the mechanical, electrical, and communication equipment for operation of the tunnel. There will be a total of four portal buildings which are expected to have identical specifications and dimensions. Each building will be 50m length and a 15m width. See general arrangement. The buildings are situated at each end of the tunnels, which are located at Chipping Warden & Greatworth. Ground works and concrete slab will be carried out by EKFB, so this package is for all works above concrete slab and include but not limited to: • Steelwork • Cladding & Roofing • Internal fit out - ie. blockwork, partitions, plastering, painting, fire stopping, joinery • Mechanical & Electrical works ie, natural ventilation system , general mechanical heat recovery ventilation system, temperature control ventilation system, mechanical cooling system, electrical heating system, building management system, automatic monitoring & control, fire detection & alarm, fire hydrant system ,uninterrupted power system, cable management system, gas suppression system, normal & emergency lighting, power supply system, distribution for lighting, small power, emergency lighting, mechanical cooling and heating system, distribution for communication and other essential services • Landscaping Work