The interior of the big box storeis framed with open web steel joists and joist girders supported on HSS (square tube) columns. A partial framing plan showing 4 bays in the building corner is shown below. (The building is 10 bays across and 8 bays deep.) The columns are 24’-0” tall. The HSS 8x8x3/8 weigh 37.6 plf, the 24K10 weigh 13.1 plf, and the 36G9N10K weigh 57.0 plf. The roofing consists of open, 1-1/2” deep, Type B, galvanized, 22 gauge, acoustical perforated steel decking with fiberglass insulation that weighs 1.78 psf.a.

Determine the total quantity of steel in the building, in tons.