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COBRA WALKWAY <br />Type of construdiort Residenlial <br />Appliwblc Duiltlmg Codes �^^Q IBC, ASCE 7-05 <br />March 27. 2013 <br />GDA Job # 6974ri- <br />W Mr, .J� VIEW DR <br />tETT. WA 98201 <br />work pertormed : �_� LATERAL ONLY � <br />�_WIND DESIGN__j <br />Ps = ��wPsaoK=� <br />Exposure : o <br />W�n� Speetl = 85 MPN <br />�'aJo = <br />�h.� <br />A = 1 00 <br />K,r' 1.98 <br />Roof slope : rise <br />FronURear �a� �( � <br />LetURiqM �a� � ( Flat <br />2o It <br />Wina C-�posure CateBor� as set L^rtli in Secbon 6 Sb3 ot ASCE 7-OS <br />Oasic Wmd Speetl as usetl m Fig�re G-2 0l ASCE 7-05 <br />SlmpLfied design wintl prer sure for Exposure B, al h= 301eet and lor I= 1.0, Irom Fipure G2 <br />Importance tactor as delined in Tahle G-1 0l ASCE 7-OS <br />Adjustment factor br Ouila�nB height and exposure from Figure 6-2,�1 ASCE 7-OS <br />Adjustmenl lactor lor increased wind speed Eue lo a hitl or escarpm-+nl <br />NO <br />�� 12 ) =4.Btlegrees <br />� 12 ) = O.Odegrees <br />btcan Hlevation <br />Avcrage upli(t (AR)= -10.8 psf Based on wind zones'G and'H' <br />Avcra�c uplifl (R/L)= 10 8 sf Based on wind zones'G' and'H' <br />End zone of wall End zone ot roof <br />FronURear Left/Righl FrenVRear LeNRighl <br />Ps�O A= 11.5 ps( 71.5 p<� 8=-S.D psf -5.9 Psf <br />Py = 15.9 Psf t�.`� P5f -8.1 psl -8.1 pst <br />P:�n= <br />PS = <br />rv <br />Intcrior zone of wall <br />Front/Rear Lafl/Right <br />C= 7.6 psl ZG psf <br />+o.s �5r io.s �5 <br />e <br />I Interior zone ot roof <br />Fro.iURear LefURight <br />D = -3.5 psf -3.5 psf <br />-4.8 ns1 -4.e pst <br />WIND LOAD CALCULATIONS <br />FRONT —�REAR <br />� � <br />h `.+.,. \ <br />w <br />i�amvurso <br />-'(9�,• <br />SU[SIVIHL I aai 1 '•"" - - - <br />TOTAL � 1,8981bs ;Minimum nel pressure controls. The calculaled pressure is less than the minimum ne pressure, <br />`"'""��"�-�-� equal to tOpsf applied over ihe entire area. (ASCE 7-05 6.4.2.1.1) <br />1 <br />