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##### Reference no: EM1384930

Three-ply asphalt felt and gravel roof over 2in of insulation board is supported by 18in deep precast reinforced concrete beams with 3ft wide flanges. If insulation weights 3lb/ft2and the asphalt roofing weights 5.5lb/ft2, determine the total dead load, per foot of length, each beam must support.

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