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Loyd W. Martin Solar Structures Engineering <br />2510 W. 237th St. #206 Torrance, CA 90505 Tel:1.310.464.1804 <br />Email: loydwmartin@gmail.com www.loydwmartin.com <br />Check Seismic load due to added dead load of photovoltaic system. <br />Determine Seismic Weight of Existing Building: <br />Effective Existing Seismic Weight <br />Area of (E) Building =Approximately 4,100 Sq. ft. <br />Approximate <br />Effective = 4,100 sq. ft. x 30 psfave. = 123,000 LBS <br />Seismic Weight <br />DETERMINE BASE SHEAR <br />V = CS W EQ'N 12.8-1 ASCE 7-10 <br />SDS <br />CS= - - <br />R <br />4 _ <br />EQ'N 12.8-2 ASCE 7-10 <br />R = THE RESPONSE MODIFICATION FACTOR IN TABLE 12.2-1 <br />R = 6.5 WOOD SHEAR WALLS <br />le= 1.0 IMPORTANCE FACTOR <br />SDS = 2/3 x SMS <br />SMS = FA X SS <br />SMS= 1.0 x 1.5 = <br />SDS = 2/3 x 1.5 = <br />1.0 <br />CS = --= <br />6.5 <br />1 <br />- <br />EQ'N 11.4-3 ASCE 7-10 <br />EQ'N 11.4-1 ASCE 7-10 <br />1.5 <br />1.0 <br />0.154 EQ'N 12.8-2 ASCE 7-10 <br />PROFESS/0 <br />M < No. C58724 118 1 <br />\*\ Exp. 3-31-15 ,/* / <br />\22(/VIL/250 <br />2014- 870 Smart Energy Tammy Doan Residence <br />Sht # 5 of 6 <br />Date: May 30, 2014