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<br />COEFFICIENTS AND PRESSURES <br />Main Wind Force Resisting Systems <br /> <br />Actual pressure = Velocity pressure x Use factor x Coefficient <br />Wind velocity is 100 mph <br />Mean roof height is 10.6847 feet <br />Velocity pressure is 20.4 psf <br />Use factor is 1.0 <br />Roof cross slope is 4 on 12, which equals 18.43495 degrees to horizontal <br />End zone width is 6 feet <br /> <br />Coefficient <br /> <br />Design Pressure (psf) <br /> <br />------------------------------------------------------------------- <br /> <br />End zone <br />Windward wall (lE) .7 14.28 <br />Windward roof (2E) -1.4 -28.56 <br />Leeward roof (3E) -1 -20.4 <br />Leeward wall (4E) -.95 -19.38 <br />Overhang -1.5 -30.6 <br />Interior zone <br />Windward wall ( 1 ) .4 8.16 <br />Windward roof ( 2 ) -1 -20.4 <br />Leeward roof ( 3 ) -.75 -15.3 <br />Leeward wall ( 4 ) -.7 -14.28 <br />Overhang -1.5 -30.6 <br /> <br />=================================================================== <br /> <br />TOTAL WIND FORCES ON ENTIRE BUILDING <br />Main Wind Force Resisting Systems <br /> <br />Forces transverse: <br />Lateral forces (pounds): <br />Windward wall = <br />Leeward wall = <br />Uplift forces (pounds) <br />Windward roof <br />Leeward roof <br />Windward overhang = <br /> <br />3161 inward <br />5001 outward <br /> <br />= 12794 upward <br />= 9424 upward <br />1627 upward <br /> <br />Forces longitudinal: <br />Lateral forces (pounds): <br />Windward wall = 3420 inward <br />Leeward wall = 967 outward <br />