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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 /> UPLIFT / WITHDRAWAL FORCE FOR SOLAR PANEL <br /> STANDOFF / FAST JACK Vup= 34.81 lb/sq.ft <br /> SEISMIC PER 2019 CALIFORNIA EXISTING BLDG CODE. PART 10. SECTION 502.5 & 503.4 <br />1080 lb / 56940 lb = 1.9% < 10.0% OK <br />Vall = 274 x 2.5 <br />= 685 lb > 452.5 lb OK <br />365.5 lb/lag screw <br />O.K. USE 5/16"ø X 3 1/2" LONG STAINLESS STEEL LAG SCREW WITH MIN. 2 1/2" EMBED TO EXIST'G <br />ROOF MEMBER. CAN RESIST WIND UPLIFT FORCE. <br />LATERAL (2019 CALIFORNIA BUILDING CODE) <br />WIND EXP "C", WIND SPEED: 130 mph (ASCE 7-16) <br />12 <br />18 452.5 lb/lag screw <br />NO. SOLAR <br />PANELS UPLIFT FORCE SUPPORTS OF TILE <br />HOOK/STANDOFF <br />UNIT FORCE PER <br />(5/16"ø) LAG SCREW <br />13 13 x 34.81 x 18 = 8145.54 lb <br />4386.06 lb7 x 34.81 x 18 = 7 <br />3825 S Alder St <br />06/30/23