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w DL + LL = 30 psf x 2 ft. = 60 plf <br />= 28 plf x 6 ft. + ( 6' x 2.75' x 3 psf x 2 ) + ( 6' x 1.65' x 3 psf x 1 ) <br />= 297 lbs < 360 lbs OK <br />Check attachment of Support to Existing Structure for Wind Uplift <br />CHECK SOLAR STRUCTURE ATTACHMENTS PER ASCE 7-16 WIND LOADS ON BUILDING <br />APPURTENANCES AND OTHER STRUCTURES Section 29.4.4 THEREFORE CHECK <br />ATTACHMENT FOR TYPICAL CRITICAL LOAD WHICH IS THE EDGE ZONE - ZONE 2. <br />NOTE: PER DEFINITION ON SHEETS 246 & 247 OF ASCE 7-16 EFFECTIVE WIND AREA: <br />"FOR ROOFTOP SOLAR ARRAYS, THE EFFECTIVE WIND AREA IN FIG. 29.4-7 IS <br />EQUAL TO THE TRIBUTARY AREA FOR THE STRUCTURAL ELEMENT BEING <br />CONSIDERED, EXCEPT THAT THE WIDTH OF THE EFFECTIVE WIND AREA NEED NOT <br />BE LESS THAN ONE-THIRD ITS LENGTH." <br />EFFECTIVE AREA = 15 SQ FT <br />w DL + LLreduced = 22 psf x 2 ft. = 44 plf <br />Check 2x4 Rafters @ 24" O.C.: <br />Total load on rafter <br />Loyd W. Martin Professional Engineer, Inc. <br /> 9924 Universal Boulevard #224- 406 Orlando, FL 32819 Tel:1.310.464.1804 <br /> Email: loydwmartin@gmail.com www.loydwmartin.com <br />Sht # 3 of 8 <br />Exp. 3-31-19 <br />No. C58724 <br />NITRAMW.DYO <br />REGISTEREDPROFESSIONALENGINEER <br />C <br />V <br />L <br />FOETATS <br />ALIFORNIAICIL <br />123 <br />R1 R2 <br />6' <br />P P <br />w DL <br />P <br />2022- 3209 Plug It In Solar Chad Barker Date: August 09, 2022 <br />2014 N Flower St <br />09/12/22