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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 />-35.28 <br />DF-L No. 1 <br />4 j lj (ft)pd,j (lbs) pw,j (lbs) ps,j (lbs) <br />Portrait 1 2.2 50.9 -598 0.0 <br />6.4 50.9 -598 <br />-393 0.0 <br />4 10.2 33.5 -393 0.0 <br />0.0 <br />5.50 8.00 0.00 0.00 1.00 <br />Landscape 3 7.9 33.5 <br />10.00 <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 />0 0.0 0.0 0 0.0Portrait0 0.0 0.0 0 <br />0.0 <br />20 <br />40 <br />0.0 0.0 0.0 0.0 <br />0 0.0Portrait0 <br />0.033.45 -393 0 <br />0 <br />0.0 <br />0 <br />1.5 <br />0 <br />0 <br />0.0 <br />Portrait <br />1.5 <br />0.0Portrait0 0.0 0.0 <br />AT (ft2) <br />16.95 <br />11.15 <br />pd (lbs) <br />50.85 -598 <br />pw (lbs) ps (lbs) <br />0 <br />10.87 <br />2x4 <br />1.15 1.5 <br />14.50 <br />10.87 <br />14.50 <br />1000 <br />1.50 <br />3.50 <br />218 <br />239 <br />218 <br />553 <br />295 <br />295 <br />DCR <br />0.9 1553 psi D 854 psi 0.55 <br />3.06 <br />1725 <br />CD Fb' = CD * Fb ASD Load Ma / Sx <br />1.15 1984 psi D+S 854 psi 0.43 OKAY <br />OKAY <br />1.25 2156 psi D+Lr 935 psi 0.43 OKAY <br />1.6 2760 psi <br />0.446 <br />215 120 <br />1700 5.36 <br />0.6D+0.6W 2168 psi 0.79 OKAY <br />1.0 1 <br />20 <br />0.00 <br />24 <br />Comp <br />0.388 <br />247 180 <br />1.6 2760 psi D+0.45W+0.75S 1156 psi 0.42 OKAY <br />1.6 2760 psi D+0.45W+0.75L 1156 psi 0.42 OKAY <br />𝑴𝒙 𝑹𝒊𝒙 𝑳𝒊 𝑷𝒋𝒙 𝒍𝒋 <br />𝒘𝒅𝒙𝟐 <br />𝟐 <br />‐800.0 <br />‐600.0 <br />‐400.0 <br />‐200.0 <br />0.0 <br />200.0 <br />400.0 <br />600.0 <br />0.000 2.000 4.000 6.000 8.000 10.000 12.000 14.000 16.000 <br />415 S Huron Dr - <br />101119092&20182662 <br />REV5/21/2024