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Beam/ Top Chord Check Lumber: <br />Moment Demand <br /># of Attachment per Rafter NA =Span :Orientation <br />Lenght (ft) : <br />Dead Load Roof Material:QD =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 UW = <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 />CM = 1 Ct = 1 Cr= CF = fb =psi Cfu =Ci = <br />Breadth b = in <br />Depth d = in <br />Section Modulus Sx = bd2 / 6 =in3 <br />Bending Stress Capacity Fb <br /> = CM * Ct * Cr * CF * 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 />-44.94 <br />DF-L No. 1 <br />6 j lj (ft)pd,j (lbs) pw,j (lbs) ps,j (lbs) <br />Landscape 1 2.7 33.5 -501 0.0 <br />5.0 33.5 -501 <br />-762 0.0 <br />4 10.6 50.9 -762 0.0 <br />0.0 <br />5.50 5.50 5.50 0.00 1.00 <br />Portrait 3 6.5 50.9 <br />14.00 <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 />6 16.3 50.9 -762 0.0Portrait5 12.1 50.9 -762 <br />0.0 <br />28 <br />40 <br />0.0 0.0 0.0 0.0 <br />0 0.0Portrait0 <br />0.033.45 -501 0 <br />0 <br />0.0 <br />0 <br />2 <br />0 <br />0 <br />0.0 <br />Portrait <br />2 <br />0.0Portrait0 0.0 0.0 <br />AT (ft2) <br />16.95 <br />11.15 <br />pd (lbs) <br />50.85 -762 <br />pw (lbs) ps (lbs) <br />0 <br />17.02 <br />2x4 <br />1.15 1.5 <br />17.50 <br />17.02 <br />17.50 <br />1000 <br />1.50 <br />3.50 <br />123 <br />134 <br />123 <br />272 <br />136 <br />136 <br />DCR <br />0.9 1553 psi D 484 psi 0.31 <br />3.06 <br />1725 <br />CD Fb' = CD * Fb ASD Load Ma / Sx <br />1.15 1984 psi D+S 484 psi 0.24 OKAY <br />OKAY <br />1.25 2156 psi D+Lr 525 psi 0.24 OKAY <br />1.6 2760 psi <br />0.097 <br />679 120 <br />1700 5.36 <br />0.6D+0.6W 1065 psi 0.39 OKAY <br />1.0 1 <br />20 <br />0.00 <br />24 <br />Comp <br />0.088 <br />752 180 <br />1.6 2760 psi D+0.45W+0.75S 533 psi 0.19 OKAY <br />1.6 2760 psi D+0.45W+0.75L 533 psi 0.19 OKAY <br />𝑴𝒙 𝑹𝒊𝒙 𝑳𝒊 𝑷𝒋𝒙 𝒍𝒋 <br />𝒘𝒅𝒙𝟐 <br />𝟐 <br />‐300.0 <br />‐200.0 <br />‐100.0 <br />0.0 <br />100.0 <br />200.0 <br />300.0 <br />0.000 5.000 10.000 15.000 20.000 <br />2306 N Spinnaker St - <br />2018163712/18/2023