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BWU Consultants, Inc. <br />1168 N. San Gabriel Blvd., #N <br />Rosemead, CA. 91770 <br />Tel: (626) 288-0708 <br />Email: twengrs1168@gmail.com <br />Date: <br /> D.L.SIZE: <br /> SHINGLE ROOF'G 4 psf 18.0 SQ.FT. <br /> 1/2" PLYWD SHT'G 1.5 <br /> 2x4 @ 24 O.C.0.7 <br />RAFTER <br /> MISC 0.8 WEIGHT: <br />D.L. = WT = 2.9#/SQ.FT. <br />L.L. = (USE 3.0 #/SQ.FT.) <br />T.L. = <br /> L:7'-0" MAX SPAN <br /> W:60.0 plf <br /> M:367.5 pf Sreq: 2.51 in³ <br /> R:210 lb Areq: 2.65 in² <br />2x4 RAFTER CAN CARRY SOLAR PANELS <br /> GRAVITY PER 2019 CALIFORNIA EXISTING BLDG CODE. PART 10. SECTION 502.4 & 503.3 <br />20 x 3 x 18 =1080 lb <br />56940 lb <br />1080 / 56940 =1.9% <br />(7+3+20) x 24/12 = <br />(2019 CALIFORNIA BUILDING CODE) ASCE 7-16 <br /> EXIST'G ROOF LOAD'G (AS BUILT) SOLAR PANEL <br />30.0 psf <br />20.0 psf <br />7.0 psf <br />(ROOF DL 7 + CL'G DL 5 + <br />PART'N 16/2) x 2847 = <br />3825 S Alder St <br />06/30/23