CROSSRAIL – WEST DRAYTON STATION Contractor: Hochtief Value: £1.7m Groundworks • Pile excavation and breakdown for northern staircase and footbridge. • Excavation, temporary works, and reinforced concrete works for lift pit, retaining walls, pile caps and slabs. • Installation of subsurface drainage and ducting • Construction of concrete stairs between northern extension and link • All brickwork and blockwork cavity wall to the southern façade of the northern extension building. • All blockwork cavity wall to stone rainscreen clad walkway to northern lift • All internal blockwork walls including in plant rooms and existing ticket hall. • All movement joints, DPC, waterproofing, insulation, and sealants to complete the above walling systems. • Installation of attenuation tank • Platform subsurface drainage installation and connection to existing (Nightshift Works)