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ENGINEERS-NORTHWEST-INC P$ SHEET i <br /> 9725 THIRD AVE.N E (SUITE 207) <br /> SEATTLE WA.95115 <br /> Wind Pressures for Roofs Agrable raaf hig r fs with h <=8Q' <br /> 'Note Design wind pressures shall not be less then a net pressure of 16psf(ult) <br /> acting in either direction normal to the surface. <br /> Wind Pressures Acting Toward Surface <br /> Roof Surface 1,2&3= 7A psi(LRFD)=4.4 psf(ASD) <br /> Wind Pressures Acting Away From Surface <br /> Roof Surface 1 = -20.9 psf(LRFD)=.-12.5 psf(ASD) <br /> Roof Surface 2= -24.8 psf(LRFD)=-14.9 psf(ASD) <br /> Roof Surface 3= -24.8 psf(LRFD)=-14.9 psf(ASD) <br /> Wind Pressures Acting Away From Surface fOverflanstl <br /> Roof Surface 1= -23.6 psf(LRFD)=-14.2 psf(ASD) <br /> Roof Surface 2 -23.6 psf(LRFD)=-14.2 psf(ASD) <br /> Rcof Surface 3= -15-5 psf(LRFD)=-9.3 psf(ASD) <br /> J— <br /> t f <br /> t. f <br /> p t <br /> 2^lE �� <br /> € l <br /> 1 t <br /> i { <br /> I <br /> f 1C:4?}tltr1l:Ci t.ILYEt It>{!1'ILIgLtcr rltuft. ft L{1�13t71 et,fer'i+\'i[feEt AILNnSrI Ifte pCrttr MI Of 1ix:ImrOs of <br /> ('liC IICC,HLIt'C YrAwnL L ff'C"tit Fdn,!5 sh111 by A+Qkatl to th(we kw Xnrw l and jA4:�119C'{•yH1UiCF tYl��'n In <br /> 7tl1105 h artd 3 '3G11 F'l"I) I3t '1ylfs .1=.4- . <br /> ,& c...Y-i ..It CS <br /> Wind Fressrlres for Parapets faable roofs,B hip roofs)&Hh h S 64' <br /> -Note, Design wind pressures shall not be less than a net pressure of 1&psi(tilt) <br /> acting in either direction normal to the surface: <br /> p,=g1((GGp)-(GCs,)}(Ible) <br /> Velocity pressure,qv= 20-27 psf <br /> Parapet Load Case A <br /> Wind toad @ earner,pI,= 37.1 psf(LRFD)=22.3 psf(ASD) <br /> Wind toad not @ corner.p,= 37.1 psf(LRFD)=22.3 psf(ASO) <br /> Parapet Lead Case is <br /> Wind load @ comer.p,;= 33.4 psf(LRFD)=20 psf(ASD) <br /> Wind load not @ comer,pe= 31.4 psf(LRFD)=18-8 psf(ASD) <br /> W'v1dwiwd paInpet f.ceward gamma <br /> Load C:srw A Load C ay..33 <br /> TOP or ixuraRlCi <br /> 15nrbK' �NagaFmw L'.n a _,i:learoG•e <br /> JnxaB= ".944uP �vd$i <br /> t <br /> ASCE7-151Yusd Loads Lave Rise <br /> C&C <br />