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Beam/ Top Chord Check Lumber: <br />Moment Demand <br /># of Attachment per Rafter N A = Span : Orientation <br />Lenght (ft) : <br />Dead Load Roof Material: Q D = psf <br />Live Load QLr = psf <br />Wind Load p = psf <br />Snow Load QS = psf <br />Rafter Spacing s = in <br />Wind Load, Portrait Portrait UL = <br />Wind Load, Landscape Landscape U W = <br />Linear Dead Load wd = plf <br />Live Load wLr = plf Start ft Start ft <br />End ft End ft <br />Snow Load ws = plf Start ft Start ft <br />End ft End ft <br />Ma, Moment <br />D lb-ft <br />D+Lr lb-ft <br />D+S lb-ft <br />0.6D+0.6W lb-ft <br />D+0.45W+0.75Lr lb-ft <br />D+0.45W+0.75S lb-ft <br />Moment Capacity Framing Member Size Lumber Grade : DF-L No. 1 <br />C M = 1 Ct = 1 Cr= CF = fb = psi Cfu =C i = <br />Breadth b = in <br />Depth d = in <br />Section Modulus Sx = bd 2 / 6 = in3 <br />Bending Stress Capacity Fb = CM * C t * Cr * C F * fb = psi Table 4.3.1 NDS 2015 <br />Deflection Limit E = ksi I = in4 <br />Transient Deflection in <br />Transient Deflection Allowed > [OKAY] <br />Total Deflection in <br />Total Deflection Allowed > [OKAY] <br />1.0 1 <br />20 <br />0.00 <br />16 <br />Comp. <br />0.441 <br />272 180 <br />1.6 2392 psi D+0.45W+0.75S 1091 psi 0.46 OKAY <br />1.6 2392 psi D+0.45W+0.75Lr 1091 psi 0.46 OKAY <br />1.6 2392 psi <br />0.542 <br />222 120 <br />1700 20.80 <br />0.6D+0.6W 1793 psi 0.75 OKAY <br />1.15 1719 psi D+S 464 psi 0.27 OKAY <br />OKAY <br />1.25 1869 psi D+Lr 575 psi 0.31 OKAY <br />DCR <br />0.9 1346 psi D 464 psi 0.34 <br />7.56 <br />1495 <br />CD Fb' = C D * F b ASD Load Ma / S x <br />2x6 <br />1.15 1.3 <br />11.00 <br />6.61 <br />11.00 <br />1000 <br />1.50 <br />5.50 <br />292 <br />363 <br />292 <br />1130 <br />687 <br />687 <br />0 <br />0.0 <br />0 <br />1.5 <br />0 <br />0 <br />0.0 <br />Portrait <br />1.5 <br />0.0 <br />Portrait <br />0 0.0 0.0 <br />AT (ft2) <br />13.614 <br />9.1498 <br />pd (lbs) <br />40.841 -662 <br />p w (lbs) ps (lbs) <br />0 <br />6.61 26.7 <br />0.0 0.0 0.0 0.0 <br />0 0.0 <br />Portrait <br />0 <br />0.0 27.45 -445 0 <br />0 0.0 <br />Portrait <br />0 0.0 0.0 0 <br />0.0 <br />13.3 <br />1 2 3 4 Eave <br />2 <br />0.0 <br />0.0 0.0 0.0 <br />0.0 <br />0 0.0 0.0 0.0 0.0 <br />0 0.0 0.0 0.0 <br />0.0 <br />0 0.0 0.0 <br />0.0 <br />10.00 0.00 0.00 0.00 1.00 <br />Portrait <br />0 0.0 0.0 <br />10.00 <br />-48.61 <br />DF-L No. 1 <br />2 j lj (ft) pd,j  (lbs) pw,j  (lbs) ps,j  (lbs) <br />Portrait <br />1 2.2 40.8 -662 0.0 <br />5.9 40.8 -662 <br />0 0.0 <br />0 0.0 0.0 0 0.0 <br />ൌ ሺ െ ሻ െ െ െ <br />‐200.0 <br />0.0 <br />200.0 <br />400.0 <br />600.0 <br />800.0 <br />1000.0 <br />1200.0 <br />0.000 2.000 4.000 6.000 8.000 10.000 12.000 <br />221 S Ross St <br />08/10/22