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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 1,700 Sq. ft. <br />Approximate <br />Effective = 1,700 sq. ft. x 30 psf ave. = 51,000 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 />EQ'N 12.8-2 ASCE 7-10 <br />|e <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 EQ'N 11.4-3 ASCE 7-10 <br />SMS = FA X SS EQ'N 11.4-1 ASCE 7-10 <br />SMS= 1.0)<1.5=1.5 Ili NO. C58724 3 <br />SDS= 2/3)<1.5=1.0 Exp. 3-31-15 <br />\th·€l-VIL€,3 <br />1.0 \412320CS = - - =0.154 EQ'N 12.8-2 ASCE 7-10 <br />6.5 <br />1 <br />/55*OFESS/042\ <br />2014- 755 Nexus Energy Sylvina Cornejo Residence <br />Sht # 5 of 6 <br />Date: May 16, 2014 <br />t