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<br />VI.) Uplift pressure (U): . <br /> <br />Pressure coefficient (GCp) : <br /> <br />Transverse pressure (Ph) : <br /> <br />Longitudinal pressure (PI) : <br /> <br />U=Pv(GCp)(I) <br /> <br />Wedgewood Model 1793 <br /> <br />......................... ;Ir.yl~ ".'.'.".....U""'.'.".'...'.'. :;!!:no.Cincn <br />,:'!::::'4Pf,i;;; :;:;::mg4rjt...~;:!f <br />.. . . . . . . . . . - . . . . . . . . . . . . . . . . . . . <br />........................... .. <br />1 O. 80 N/A Sidewall <br />2 -0. 75 - 1 00 Roof <br />3 -0. 75 -0. 65 Roof <br />4 -0. 70 N/A Sidewall <br />5 N/A O. 65 Endwall <br />6 N/A -0 5 5 Endwall <br /> <br />Height (ft) Pressure (pst) <br />0-15 -15.8 <br />15-20 -17.3 <br />20-40 -21.0 <br />40-60 -23.3 <br /> <br />Height (ft) Pressure (pst) <br />0-15 -21.0 <br />15-20 -23.0 <br />20-40 -28.0 <br />40-60 -31.0 <br /> <br />Therefore ; <br /> <br />"Longitudinal pressure governs uplift design" <br /> <br />Page of <br /> <br />James Catalano. P.E. <br />4120/94 <br />