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DOUG RISK RES <br />610 E SANTA CLARA AVE, <br />SANTA ANA, CA 92706 <br />LOAD CRITERIA <br />WEIGHT OF MODULE 41.88 LB <br />MODULE LENGTH 5.44 FT <br />MODULE WIDTH 3.25 FT <br />MODULE AREA 17.68 FT^2 <br />UNIT WT OF MODULE 2.37 PSF <br />AVG RACKING WT 0.3 PSF <br />TOTAL AVG WT (MODULE+RACKING)2.67 PSF <br />NO OF MODULE 22 <br />CONNECTION POINT TRIB LENGTH 2.75 FT <br />CONNECTION POINT TRIB WIDTH 4 FT MAX. SPACING <br />CONN POINT TRIB. AREA 11 FT^2 <br />LOAD PER CONN PT LOAD 29 LB <br />ROOF SLOPE 27.00 DEGREE <br />SLIING FORCE 13.33 LB LOAD*SIN(ROOF SLOPE ) <br />LOAD ON EXISTING ROOF <br />1) ROOFING 10.00 PSF <br />2) 5/8" PLYWOOD 1.8 PSF <br />3) ROOF RAFTER 3.1 PSF <br />4) INSULATION 1.5 PSF <br />5) MISC 1.5 PSF <br />TOTAL DL 17.90 PSF <br />ROOF AREA 836 SF <br />TOTAL ROOF WT 14.96 KIP <br />WALL WT 1.44 KIP <br />TOTAL BUILDING DL 16.40 KIP <br />EACH MODULE AREA 17.68 <br />TOTAL AREA OF MODULE 388.96 SF <br />TOTAL MODULE WT 1.56 KIP <br />ADDITIONAL DL ADDED TO EXISTING BUILDING 9.48 % <br />LATERAL LOAD ANALYSIS COMMENTS <br />SINCE TOTAL ADDED DL TO THE BUILDING IS LESS THAN 10%, PER CBC 2019 EXISTING LATERAL <br />RESISTING ELEMENTS WILL NOT BE AFFECTED <br />VERTICAL LOAD ANALYSIS COMMENTS <br />PER CBC SECTION 1607.9.1.1 EXCEPTION 2, THE ROOF LL CAN BE PERMITTED TO BE <br />RATIONALLY REDUCED TO 10 PSF AT THE AREA OCCUPIED BY THE SOLAR MODULES <br />THEREFORE, DESIGN LOAD BY ADDING SOLAR MODULE OF 2.75 PSF IS LESS THAN WITHOUT <br />MODULES AND HENCE EXISTING FRAMING WILL THEREFORE BE OK. <br />610 E Santa Clara <br />Ave11/09/21