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zg =2460 ft <br />Height above ground surface at the <br />site z (ft)K1 K2 K3 Kzt Kz <br />q <br />(psf) <br />Roof height 8.20 <br />- - <br />- 1.00 0.851 20.08 <br />Mean height 8.20 - 1.00 0.851 20.08 <br />Eave height 8.20 - 1.00 0.851 20.08 <br />Gust effects: G = 0.900 <br />For rigid buildings or other structures, the gust effect factor shall be calculated by: <br />0.90 (Eq. 26.11-6) <br />For flexible buildings or other structures, the gust effect factor shall be calculated by: <br />- (Eq. 26.11-10) <br />with: <br />The intensity of turbulence at height : 0.22 (Eq. 26.11-7) <br />The integral length scale of turbulence at the equivalent height: <br />442.92 ft (Eq. 26.11-9) <br />The background response:0.95 (Eq. 26.11-8) <br />The background peak factors:gQ =3.4 <br />gv =3.4 <br />The resonant peak factor: <br />4.29 (Eq. 26.11-11) <br />The resonant response factor: <br />0.61 (Eq. 26.11-12) <br />The power spectral density of turbulence at the equivalent height of the structure : <br />0.04 (Eq. 26.11-13) <br />Evaluated at the structure’s natural reduced frequency: <br />=0.925 ⎛ <br />⎝⎜1 +1.7 !" # +!$ % 1 +1.7!& ⎞ <br />⎠⎟= <br />!$=2ln (3600-)+0.5772ln(3600-)= <br />%=1.%/%0 %1(0.53 +0.47%3)= <br /> =4533 616 = <br />7 =85 3369 = <br />%/=7.47:(1 +10.3:);/= <br />:=-7 = <br />Q =11+0.635>+ℎ7 6@.A= <br />=0.925 51 +1.7!" #1 +1.7!& 6 = <br /> <br /> <br />4 <br />1430 E Edinger Ave <br />3/27/2025