1. Supply and erect a modular control room approximately 3.6m x 3.0m x 2.4m high on the second floor level in accordance with the General Arrangement drawing. This room will be supported on the main building structural members, and will incorporate a half glazed personnel door with automatic closer, two double glazed windows and a wall mounted air-conditioning system. The construction will be an extruded anodized aluminium frame system with walls and roof panels being of metal clad composite panels. The overall structure must provide a nominal sound level reduction of 15 dB with the door closed.