Laserfiche WebLink
H N Lehtinen <br />En�ineerin� <br />3216 Wetmore Ave. <br />Everett, WA 98201 <br />(42S)232-2373 <br />WIND DESTGN <br />$y�� Date <br />Page No. 2 of <br />DESIGN WiND ,PRES3URES BOR STRUCTURES OR $LEMENTS <br />. OF STR��"I'�S S�� B� DETERMINED FOR ANY HEIGHT <br />IN ACCORDANCE WITH THE BOLLOWING FORMULA: <br />P= Ce Cq qs I <br />P a design wind pressure • <br />Ce = combIned hetght, exposure and gust factor coef�icient <br />(T'able No, 16-G). <br />Cq a pressure coefQcleat for the structura or portion under <br />consideration (Table No.16-I�. � � � . <br />Qs = wind stagnaHon pressure at the standard height of 33-feet <br />(Table No.16-F). <br />I = Importance factor (T'able No.23=i�.. � <br />P15 = 3'L zT.3's 16.4 PSF x:1,0 =13,2 PSF. <br />P20=,67X1.3z16.4PSFz1.0a14.2PSF' <br />P26= .72x1.3z16.4'P.SFx1.0=15.3PSF <br />SEISMIC DESYGN <br />THE TOTAL DESIGN BASE SHEAR II`i t� GIVEN DIRECTION <br />SHALL BE DETERIYIINEb FROM THE'FOi,I;OWiNG FORMULA: <br />V= (3.0 Ca / R) �_ (3�.0'x•0.36/4.S�W=.24 W <br />V�� total design latern! force or shear at the 6ase of the building. <br />Ca =. numerical coefficienYspecified (Table'16-0). � <br />R = numerical coefficIent (Tuble 16-P). � • <br />W= total seIsmIc dead load. <br />� <br />s <br />