Project Managers and Lead Consultants. Conversion an alterations to Building N110, Building N186, Building N175, HM Royal Naval Dockyard, Plymouth, to create Trident Submarine support facilities including offices for 256 naval and civilian specialist support staff, conference facilities, controlled environment stores, mains storage wharehouse and layapart store, conference facilities, specialist nuclear and other electrical and engineering, workshops and laboratories. Support facilities including parking, ablutions, canteens, changing and drying rooms. New staircases, lifts, mechanical, electrical and fire prevention sevices and fire engineering of the building affected by the works. Building N110 is 120m x 60m x 23m high. Other building are Ancient Monuments where special care has been required and the use of our sophisticated photorealist 3D imaging has assisted the decision making.