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.
Finish: Finish options
            -Smooth concrete
            -Exposed aggregate
            -Painted
             Floor is skid resistant
Weight:  20,150# w/ chain link gates
               20,350# w/ steel gates