Construction: single-story rigid steel frame with tinted sealant concrete block Clearance under beam: 20' +/- Colum spacing: 20'4" x 25" Lighting: 400-watt metal halide every 625 square feet Electrical: 200 amp, 240 volt, 3-phase Truck doors: One (1) 12' x 14' at grade automatic drive-in door, two (2) 8' x 8' manually operated dock door at dock height, one (1) 10' x 10' manually operated dock door at dock height