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� JRR Engineering, Inc. gc��05 -o � ) <br /> 18609 76th Ave. W., Suite B <br /> Lynnwood, WA 98037-4149 <br /> (425) 697-5108 <br /> Client: �Christensen Quality Homes, Inc. P�o ect LoCatiOn: 2030 Grand Avenue, Everett 98201 <br /> Bob Christensen Design calculations are tor 85 mph wind exposure B <br /> 6770 134th Place SW land 25 psf snow load. Do not use or depend upon these <br /> Edmonds, WA 98026 calcs. for more severe wind exposure or snow loading. <br /> (425) 303-8655 <br /> Scope: Lateral 8 Vertical Design I <br /> Code: 2003 IBCIASCE 7-02 � • <br /> Live Loads: Seismic Zone D, (SS): 1.25 Dead Loads: Roof& Ceiling load 17 psf <br /> - Seismic one , ( ,): 0.4 iFloor load 10 psf <br /> Exposure: B 'Exterior wall load 60 plf <br /> Windspeed (mph): 85 �Interior wail load 5 psf��loor area) <br /> " Snow load (ps� 25 I <br /> Fioor Live load (ps� 40 <br /> Assumed Soil Values per 2003 IBC: Soil Bearing: 2000 psf(Contractor shall notify Engineer if <br /> testing indicates bearing capacity is lower than 2000 psf). <br /> Wind Design: Ps=n'�„,'P:�o (Simplified Method Section 1609.6) <br /> Where; �Varies over height 8 exposure (Table 1609.6.2.1(4)) <br /> �w = 1 (Table 1604.5) <br /> P,�a Varies with root pitch and zone(Table 1609.6.2.1(1)) <br /> f --� I I � � ' <br /> Roof rise in 12" : 6 �" oo rise in 12" :I 9 ��� � <br /> Horizontal Pressures Horizontal Pressures <br /> p A g � D <br /> A B C 7 <br /> P530 14.4 � 2.3 10.4 2.4 P530 12.9 � 8.8 10.2 I <br /> 0-15' Ps 14.4 � 2.3 10.4 2.4 0-15' P� 12.9 B.B 10.2 7 <br /> 15'-20' PS 14.4 2.3 10.4 2.4 15'-20' Ps 12.9 8.8 10.2 7 <br /> 2p'_25' i'� 14.4 2.3 10.4 2.4 20'-25' Pa 12.9 8.8 10.2 � <br /> 25'-30' Ps 14.4 2.3 10.4 2.4 25'-30' Ps 12.9 8.8 10.2 7 - <br /> 30'-35' PS 15.1 2.4 10.9 2.5 30'-35' Ps 13.5 9.2 10.7 7.4 <br /> 35'-40' P,= 15.7 2.5 11.3 � 2.6 35'-40' Pz 14.1 9.6 11.1 7.6 <br /> � 2 - 201r Ab ^ 5 <br /> Seismic Design:_ V=Cs'W (Equiv. Lat. Force Oesign per ASCE 7-02, Sec 9.5.5) I P = ( < � � � <br /> Fa= 1 (Table 9.4.1.2.4(a)) Sos = Des. Spectral Resp. Accel. Parameters (Sec. 9.4.1.2.5) <br /> Sps = 0.833 (Eq. 9.4.12.5-1) p = Redundancy Factor (1.0<p<1.5) (Sec. 9.5.2.4.2) <br /> IE = 1 (Table 9.1.4) �Ab= Total Ground Floor Area i � K <br /> R w000= 6.5 I(Table 9.5.2•2) --ir=(101Lw)Vi I Vt(Section 9.5.2.4.2) � �Z <br /> Cs= �E'Sos IR (Eq. 9.5.52.1) Vi = Wall Shear <br /> V = Seismic Base Shear(Eq. 9.5.5.2-1) ;Vt = Total Story Shear " <br /> W=Etfective Seismic Weight(Sec. 9.5_3j ILw= Length of�Wal�_ <br /> D = Site Classification (Section 9.4.1.2) Therefore;, � 128 oW A 'e ct � <br /> Fa 8 Fv = Site Coeff. (Table 9.4.1.2.4(a & b)) � R•4�� � � �� _� 0.185 W <br /> 's's/oranL�:a`• <br /> j,/ 4(e <br /> Prepared by: JCM project Name: Grand View Place xPiP.Es /�/ � <br /> Checked by: RKR <br /> Project No.: 04-34C <br /> 2I712006 Page 1 of� <br />