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PROJECT: Lambaren Solar Panels Doug Engineering SHT.1 OF 2 <br />CLIENT:TPS Civil Engineering DATE 8/13/2013 <br />BY:DM DE JOB NO. TPS-1202 <br />DESIGN LOADS <br />Dead Loads <br />Roof <br />Conc Tile 9.0 psf Pupliftzl -14.0 psf <br />5/8" Ply shtg 1.9 Pupliftz2 =23.0 psf <br />Rf Frm'g 2.8 PWLdown -8.2 psf <br />Misc.1.5 0.6DL+WL <br />(N) PV System 3.0 Pnetzl = 0.6*3.0-14.0 -12.2 psf <br />Pnetz2 = 0.6*3.0-23.0 -21.2 psf <br />Total DL 18.2 psf DL+WL <br />LL 20 psf DL+WL =11.2 psf <br />Uplift Check <br />2*4 trusses @ 24" o.c. <br />Spacing 2.00 ft Trib panel width =6 ft <br />E 1500000 psi Fb=900*1.5*1.15 1553 psi <br />1 5 inA4 Mallow2x4Wind =1109 #db <br />Spanl 8.00 ft Mallow2x#LL =867 ft-lb <br />Span2 8.00 ft See below for Wind Uplift loads <br />Span3 8.00 ft due to concentated loads at attachments <br />(Distance Wind Mmax P = Mmax <br />to Att.Load Trib Load wind(ft· PVDL live(ft- <br />Pts) a b Rl (lb) R2 (lb (psf) W (ft) (lb) lb) (lb) lb) <br />Panel Edge 3.00 <br />1 4.00 4.00 4.00 -162.7 -162.7 -21.2 6.0 -325.4 -650.7 46.0 80.11 <br />2 7.12 7.12 0.88 -36.0 -289.4 -21.2 6.0 -325.4 -255.9 46.0 31.5 <br />Panel Edge 8.12 <br />Panel Edge 13.23 <br />3 14.23 <br />4 17.35 <br />Panel Edge 18.35 <br />Span 1 Uniform DL 8.00 73.0 73.0 9.1 psf 2.0 18.2 pif <br />Span 2 Uniform DL 8.00 73.0 73.0 9.1 psf 2.0 18.2 <br />Reactions at Spanl -125.7 -379.1 Negative values are uplift reactions <br />Reactions at Span2 73.0 73.0 <br />Mmaxwinduptift =649 ft-lb < 1109 ft-lb OK <br />For DL+LL including the PV system weight point loads W=70.4 pif P = <br />Mmax =676 ft-lb < 867 ft-lb OK <br />145.9 <br />145.9 <br />46.0 Ib