Concrete: 5,000 psi @ 28 days
                  5% - 8% entrained air
Rebar: ASTM A-615 grade 60
Design criteria: Walls comply with City of Chicago building codes and 1993 BOCA
                            codes for 80 MPH winds no rating for the door
Finish: Finish options
            -Smooth concrete
            -Exposed aggregate
            -Painted
             Floor is skid resistant
Weight: 33,200# w/ chain link gates
              33,700# w/ steel gates