1919 N Spurgeon St - Plan - Laserfiche WebLink

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Check Top Chord of Existing Truss Apr. 28, 2023 16:41 Design Check Calculation Sheet WoodWorks Sizer 2023 Loads: Load Type Distribution Pat- Location [ft] Magnitude Unit tern Start End Start End Roof-DL Dead Full Area No 10.00(24.0") psf Roof-LLR Roof constr. Full Area Yes 20.00(24.0") psf PV1 Dead Point No 2.25 30 lbs PV2 Dead Point No 6.25 30 lbs PV3 Dead Point No 6.75 30 lbs PV4 Dead Point No 10.75 30 lbs Self-weight Dead Full UDL No 1.2 plf Maximum Reactions (lbs) and Bearing Lengths (in) : 1.5' 8.5' 17.922' 15.5' Unfactored: Dead 148 279 74 Roof Live 193 332 129 Factored: Total 341 612 203 Bearing: Length 0.50* 0.52 0.50* Min req'd 0.50* 0.52** 0.50* *Minimum bearing length setting used: 1/2" for end supports and 1/2" for interior supports **Minimum bearing length governed by the required width of the supporting member. Lumber-soft, D.Fir-L, No.2, 2x4 (1-1/2"x3-1/2") Supports: All - Timber-soft Beam, D.Fir-L No.2 Roof joist spaced at 24.0" c/c; Total length: 18.06'; Clear span(horz): 1.5', 6.938', 6.938'; Volume = 0.7 cu.ft.; Slope: 30.0 deg Lateral support: top = continuous, bottom = at all supports; Repetitive factor: applied where permitted (refer to online help); This section PASSES the design code check. Analysis vs. Allowable Stress and Deflection using NDS 2018 : Criterion Analysis Value Design Value Unit Analysis/Design Shear fv = 78 Fv' = 225 psi fv/Fv' = 0.35 Bending(+) fb = 1158 Fb' = 1941 psi fb/Fb' = 0.60 Bending(-) fb = 1762 Fb' = 1803 psi fb/Fb' = 0.98 Deflection: Interior Dead 0.11 = L/856 Live 0.24 = L/395 0.40 = L/240 in 0.61 Total 0.36 = L/270 0.54 = L/180 in 0.66 Cantil. Dead -0.08 = L/246 Live -0.17 = L/120 0.17 = L/120 in 1.00 Total -0.26 = L/80 0.23 = L/90 in 1.11 1919 N Spurgeon St06/15/23