Specifications include, but are not limited to: Mobilize to site with equipment. Remove cargo nets and stair hand rails. Cut concrete around the pit to remove embedded steel and oil drain tracks. Demo concrete and steel and fill pit with spoils (will be using heavy equipment for demo – noise will be a factor). Disconnect electrical going into the pit. Remove the fresh air vents in the side walls and cover and seal. Cover and seal floor drains. Cap off cleanouts. Remove lifts and plumbing. Remove all electrical conduit and switches on the walls. Remove reels and oil pumps. Cap and/or remove piping in the floor. Fill in pit with sand below grade for concrete pour. Install moisture barrier, rebar, and wire mesh (where needed). Pour concrete and finish to grade. Clean up job site and de-mobilize. Dimensions of Pit: W41.5” X L57 Ft. X D57” Pump Area: L 42” X W 60” X D 2Ft.