Works and construction of a facility for the production, storage and distribution of pre stressed concrete beams, including the formation of a secure compound, erection of a pitched roof building, overhead gantry cranes, concrete batching plant, silos, material store and other associated plant and equipment, siting of welfare cabins, erection of perimeter fencing, formation of new vehicular accesses, provision of outdoor storage areas, car parking, HGV circulation areas, drainage attenuation pond and associated infrastructure