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Spectral Accelaration (Short Period), SAS = <br />0.876 <br />Component Amplification Factor, ap = <br />2.50 <br />ASCE 7-10 Table 13.5-1 or 13.6-1 <br />Response Modification Factor, Rp = <br />6.00 <br />ASCE 7-10 Table 13.5-1 or 13.6-2 <br />Component Importance Factor, Ip = <br />1.00 <br />ASCE 7-10 13.1.3 <br />Component Operation Weight, Wp = <br />204 <br />Ibs <br />Vertically Cantilevered System = <br />Y <br />Component Height, z = <br />14.00 <br />ft <br />Average Roof Height, h = <br />12.00 <br />ft <br />z <br />h = <br />1.17 <br />z <br />1+2h = <br />3.33 <br />O.RppSDs (1 + 2 h� = <br />0.49 <br />lIp <br />0.4apSDSWp z <br />( 1 + 2 <br />Fp = Rp h� = <br />lIp <br />99.3 <br />Ibs <br />ASCE 7-10, 13.3-1 <br />Fp (Max) = 1.6 SpS: <br />1.40 <br />Fp (Max) = 1.6 SpSIpWp: <br />285.9 <br />Ibs <br />ASCE 7-10 Eq. 13.3-2 <br />Fp (Min) = 0.3SpS: <br />0.26 <br />Fp (Min) = 0.3SpSIpWp: <br />53.6 <br />Ibs <br />ASCE 7-10 Eq. 13.3-3 <br />Concurrent Vertical Seismic Force, +-0.2SpSWp: <br />+-36 <br />Ibs <br />Seismic Design Force, Fp: <br />99.3 <br />Ibs <br />69.5 <br />Ibs ASD <br />Overturning Force Fp = 70 # <br />Overturning Moment Mp = 70# x 2.5' = 175 #' <br />Resisting Force W = 204 # <br />Resisting Moment Mr = 204# x 272 = 204 #' <br />for loading combination: 0.6DL + EQ <br />Net Tension Force T = (0.6 x 204-175)/2' = -27 # <br />Provide (3) 1 /4" dia lag screws to <br />supporting roof member each side: <br />Ta= 1.6x3x225#= 1080#>T O.k. <br />Va = 1.6 x 6 x 150 # = 1440 # > Fp O.k. <br />Wp <br />Fp HEAT o <br />PUMP ::.: 'It <br />ROOF-� <br />2'-0" <br />