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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 />COMP SHINGLE 4.0 psf 0.6WL Zone 1 and 2e -11.1 psf, MIN 10 PSF <br />5/8" Ply shtg 1.9 Overhang -14.8 psf <br />Rf Frm'g 2.8 pWLdown =6.2 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 -11.1 -9.3 psf <br />Zone 2 0.6*3 -14.8 -13 psf <br />Total DL 13.2 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 = 5.33 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 8.75 ft MallowLL =1060 ft-lb <br />Span2 8.75 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) R2 (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 />2.00 <br />1 2.78 2.78 5.97 124.5 58.0 11.1 5.3 182.4 346 164.3 49.3 213.6 <br />2 6.64 6.64 2.11 44.0 138.4 11.1 5.3 182.4 292 164.3 49.3 213.6 <br />3 8.50 8.50 0.25 5.2 177.2 11.1 5.3 182.4 44 164.3 49.3 213.6 <br />4 12.36 3.61 5.14 107.2 75.3 11.1 5.3 182.4 387 164.3 49.3 213.6 <br />13.29 <br />Span 1 Uniform DL 8.75 53.6 53.6 6.1 psf 2.0 12.2 plf 117.1 <br />Span 2 Uniform DL 8.75 53.6 53.6 6.1 psf 2.0 12.2 117.1 <br />Reactions at Span1 227.2 427.1 Negative values are uplift reactions <br />Reactions at Span2 160.7 128.8 <br />Mmaxwindup = 250 ft-lb < 1356 ft-lb OK <br />Mmaxwinddown = 747 ft-lb < 1356 ft-lb OK <br />For DL+LL including the PV system weight point loads w = 60.4 plf P = 49.3 lb <br />Mmax =705 ft-lb < 1060 ft-lb OK <br />Deflection Check <br />DDL = 5wL4/(384EI)(5*13.2*8.75^4)*1728 = 0.112 in = L/ 941 OK <br />384*1.5E6*20.8 <br />PROJECT: <br />CLIENT: <br />BY: <br />PV Panels for Rodolfo Moreno <br />Guyou Construction, Inc. <br />Doug Engineering <br />8/23/2024 <br />GUC-2909 <br />P = DL+WL <br />(lb) <br />1017 N Wright St <br />11/4/2024