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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 Existing Roof Rafters: <br />P PP P <br />W DL + LL -Mk k <br />'llilin lilli 111111!11111 Ililli, <br />W DL+LL = 30 psfx 2 ft. = 60 pif 9 W DE - <br />Rl R2 <br />13.5' <br />1 1 <br />2.5'11' <br />Total load on rafter =60 pif x 2.5 ft. +28 pif x ll ft + ( 4' x 2.75' x3 psf x4) <br />= 656 lbs <810 lbs OK <br />Check attachment of Support to Existing Structure for Wind Uplift )Rk <br />:OPCHECK SOLAR STRUCTURE ATTACHMENTS PER ASCE 7-10 COMPONENTS AND <br />CLADDING METHOD 1 PART 2 FIGURE 30.5-1 THEREFORE CHECK ATTACHMENT <br />FOR TYPICAL CRITICAL LOAD WHICH IS THE EDGE ZONE - ZONE 2 amr <br />MABi, <br />NOTE: PER DEFINITION ON SHEET 243 OF ASCE 7-10 EFFECTIVE WIND AREA:ts ur- <br />"FOR CLADDING FASTENERS THE EFFECTIVE WIND AREA SHALL NOT BE .Witt- <br />GREATER THAN THE AREA THAT IS TRIBUTARY TO AN INDIVIDUAL FASTENER." <br />this 1- <br />Aor be <br />PER FIGURE 30.5-1 OF SHEET 346 ASCE 7-10 WIND SPEED 130 MPH ler=J City C <br />EFFECTIVE AREA 6 15 SQFT <br />INTERPOLATION OF WIND UPLIFT FORCE: crM I No. C58724 1 58>< <br />Pnet30 = -46.5 psf <br />\*\ Exp. 3-31-15 * <br />2014- 313 Smart Energy Peou Residence <br />Sht # 3 of 6 <br />Date: March 14, 2014