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<br />COEFFICIENTS AND PRESSURES <br />Roof Components and Cladding <br /> <br />Actual pressure <br />Velocity pressure <br />Edge strip width <br /> <br />= Velocit~ pressure x Use factor x Coefficient <br />= 20.4 psf Use factor = 1.0 <br />= 3 feet End zone width = 6 feet <br /> <br />Member 1 --Span 28 ft., Spacing 24 in., Slop~ 4 /12, Overhang 1.33 ft. <br />Member located in interior zone: Tributary area = 261.3333 square feet <br />Interior area Coefficient = -1.1 Pressure = -22.44 psf <br />Eave and ridge areas: Coefficient = -1.2 Pressure = -24.481 psf <br />Overhang area : Coefficient = -1.55 Pressure = -31.62 psf <br />Wind uplift at bearing = 726 pounds <br /> <br />Member 2 --Span 28 ft., Spacing 24 in., Slope <br />Member located in end zone: Tributary area = <br />Interior area Coefficient = -1.1 <br />Eave and ridge areas: Coefficient = -1.2 <br />Overhang area Coefficient = -1.55 <br />Wind uplift at bearing = 726 pounds <br /> <br />4 /12, Overhang 1.33 ft. <br />261.3333 square feet <br />Pressure = -22.44 psf <br />Pressure = -24.481 psf <br />Pressure = -31.62 psf <br />