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SHEET: 5 OF 7 <br />DATE: <br />DE JOB NO.: <br />DESIGN LOADS <br />Dead Loads Uplift <br />Roof 0.6WL <br />CONC. FLAT TILE 9.0 psf 0.6WL Zone 1 and 2e -19.9 psf, MIN 10 PSF <br />5/8" Ply shtg 1.9 Overhang -24.9 psf <br />Rf Frm'g 2.8 pWLdown = 8.3 psf 10 psf, MIN 10 PSF <br />Misc.1.5 Uplift 0.6DL+0.6WL <br />(N) PV System 3.0 Zone 1 0.6*3 -19.9 -18.1 psf <br />Zone 2 0.6*3 -24.9 -23.1 psf <br />Total DL 18.2 psf Downward DL+0.6WL <br />LL 20.0 psf PDL+WL =13.0 psf <br />SNOW 0.0 psf <br />Rafter Check <br />Existing 2x6 RAFTERS @ 24" o.c <br />Spacing 2.00 ft Trib panel width =6 ft <br />E 1500000 psi Fb = 900*1.3*1.15 1346 psi <br />I 20.8 in^4 MallowWind =1356 ft-lb <br />Span1 7.08 ft MallowLL =1060 ft-lb <br />Span2 4.66 ft See below for Wind Uplift loads <br />Span3 0.00 ft due to concentated loads at attachments <br />Span4 0.00 ft <br />(Distance <br />to Att. <br />Pts) a b R1 (lb) R 2 (lb <br />Load <br />(psf) <br />Trib W <br />(ft) <br />Wind <br />Uplift <br />(lb) <br />Mmax <br />wind(ft- <br />lb) <br />Wind <br />Down <br />(lb) <br />P = <br />PVDL <br />(lb) <br />-1.00 <br />1 0.00 0.00 7.08 324.6 0.0 19.9 6.0 324.6 0 163.1 48.9 212.0 <br />2 3.25 3.25 3.83 175.6 149.0 19.9 6.0 324.6 571 163.1 48.9 212.0 <br />3 5.14 5.14 1.94 88.9 235.6 19.9 6.0 324.6 457 163.1 48.9 212.0 <br />4 8.39 1.31 3.35 153.6 60.1 19.9 6.0 324.6 201 163.1 48.9 212.0 <br />9.34 <br />Span 1 Uniform DL 7.08 64.6 64.6 9.1 psf 2.0 18.2 plf 114.3 <br />Span 2 Uniform DL 4.66 42.5 42.5 9.1 psf 2.0 18.2 49.5 <br />Reactions at Span1 653.7 449.2 Negative values are uplift reactions <br />Reactions at Span2 196.1 102.6 <br />Mmaxwindup =608 ft-lb < 1356 ft-lb OK <br />Mmaxwinddown =746 ft-lb < 1356 ft-lb OK <br />For DL+LL including the PV system weight point loads w = 70.4 plf P = 48.9 lb <br />Mmax =569 ft-lb < 1060 ft-lb OK <br />Deflection Check <br />DDL = 5wL4/(384EI) (5*18.2*7.08^4)*1728 = 0.066 in = L/ 1288.1 OK <br />384*1.5E6*20.8 <br />PROJECT: <br />CLIENT: <br />BY: <br />PV Panels for Richard McIntosh <br />Solar Max Renewable Energy Provider, In <br />Doug Engineering <br />11/10/2022 <br />SMX-9906 <br />P = DL+WL <br />(lb) <br />13761 N Deodar St <br />04/17/23