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Cllent: IDave 8 Pam Jackson <br />347 <br />Code: <br />0-15' Ps 11.5 <br />15'-20' Ps 11.5 <br />20'-25' Ps 11.5 <br />25'-30' Ps 11.5 <br />30'-35' Ps 12.1 <br />35'-40' Ps 12.5 <br />Fa� 1 <br />Sps = 0.833 <br />�E - � <br />R = 6.5 <br />Cs= le'Sos /R <br />e <br />ASCE 7-05 <br />Snow Load <br />Attic Lim. � <br />JRR Engineering, Inc. <br />18609 76th Ave. W., Suite B C�� ��- C/'� <br />Lynnwood, WA 98037-4149 <br />(425) 697-5108 �5 -1 �-�c�5 e Gn I�j <br />Project Location: � Same as address � � <br />Design calculations are for SS mph wind ezposure B, <br />topographic factor Kzt of 1.0 and 25 psf snow load. <br />Do not use or depend upon these calculations for more <br />I severe wind exposure or snow loading. i � <br />n/a <br />Floor <br />vall load 1 <br />wall load <br />15 psf <br />31ues per IBC 2006: Soil Beanrg: zoo0 pst (con[rac[or snan noury <br />� testing indicates bearing capacity is lower thai <br />Ps=�'Iw P,3o�Kzt (Simplified Wind Load Metho�+, Sec. 6.4, Eq. <br />Where; a, Adjustment Factor varies over heioht 8 exposure (Fig. <br />Iw = 1 Wind Importance Factor (Table 6-1 <br />Ps3o. Varies with roof pitch and building zone (Figure 6-2) <br />Kzt = 1 Topog. Factor (6.5.7, Fig. 6-4), eq! <br />5.9 <br />-5.9 <br />-5.9 <br />-5.9 <br />-6.2 <br />-6.4 I <br />= Cs'W <br />able 11.4-1) <br />:q. 11.4-3) <br />'able 11.5-1) <br />able 12.2-1) <br />:q. 12.8-2) <br />3 nol <br />C <br />7.6 <br />7.6 <br />7.6 <br />7.6 <br />7.6 <br />8 <br />8.3 <br />:I 0 I" <br />not <br />-3.5 0-15' Ps 11.5 -5.9 � 7.6 <br />-3.5 15'-20' Ps 11.5 -5.9 7.6 <br />-3.5 20'-25' P� 11.0 -5.9 I 7.6 <br />-3.5 25'-30' PS 1 � .5 -5.9 7.6 <br />-3.7 30'-35' Pg 1' � -6.2 8 <br />-3.8 35'-40' P� 12.5 -6.4 I 6.3 <br />� �- � � <br />(Equiv. Lat. Force Des. per ASCE 7-05, Sec 12.8) <br />Sos = Des. Spectral Resp. Accel. Parameters (Sec. <br />D= Site Classification (Section 11.4.2) � P <br />Fa & Fv = Site Coeff. (Table 11.4-i &11.4-2) � O <br />V= Seismic Base Shear (Eq. 12.8-1) <br />W= Effective Seismic Weight (Sec. 12.7.2) ' <br />ult=1 0.i28 <br />Prepared by: JCM <br />Checked by: RKR Project Name: Garaae and Deck Addition <br />Project No.: U9-56 8121/2009 <br />flat terrain <br />-3.5 <br />-3.5 <br />-3.5 <br />-3.5 <br />3.7 <br />-3.8 <br />RF6 % f0%1S <br />Page 1 of � <br />