The Valero Refinery Maintenance Facility is an 80,000-sq.-ft. pre-engineered two-story steel building resting on an 18” thick double mat concrete slab. The exterior finish is a standing seam pre-finished metal roof with pre-finished metal sheeting and blast resistant windows. The interior build-out consists of a laboratory/analyzer room, offices, conference rooms, reference libraries, IT room, lunch rooms, locker/shower rooms, and shop area. The shop areas have two 40-inch long (10-ton) and one 40-inch long (5-ton) overhead cranes, plus eleven 1-ton floor-mounted jib cranes (18′ high). Additionally, there are eight welding booths with central exhaust system in the shop area. The electrical system is a 480V 3ph 200A service with a motor control center. The mechanical system consists of a 40-ton and 35-ton air handling unit, hot water boiler, closed system air-cooled cooling tower, Liebert DX coils with variable air volume and constant air volume.