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Wood Beam <br />LIC# : KW-06014559, Build:20.23.2.14 ERUSU CONSULTANTS US (c) ENERCALC INC 1983-2022 <br />DESCRIPTION: 2x4 Rafters @ 24" o.c. (Wind Condition_Uplift) (Strength Check) <br />Project File: 2x4 Joist @ 24 O.C..ec6 <br />Project Title: <br />Engineer: <br />Project ID: <br />Project Descr: <br />CODE REFERENCES <br />Calculations per NDS 2018, IBC 2021, ASCE 7-16 <br />Load Combination Set : ASCE 7-16 <br />Material Properties <br />Beam Bracing : Beam is Fully Braced against lateral-torsional buckling Repetitive Member Stress Increase <br />Allowable Stress Design <br />Douglas Fir-Larch <br />No.2 <br />900.0 <br />900.0 <br />1,350.0 <br />625.0 <br />1,600.0 <br />580.0 <br />180.0 <br />575.0 31.210 <br />Analysis Method : <br />Eminbend - xx ksi <br />Wood Species : <br />Wood Grade : <br />Fb + <br />psi <br />psi <br />Fv psi <br />Fb - <br />Ft psi <br />Fc - Prll psi <br />psiFc - Perp <br />E : Modulus of Elasticity <br />Ebend- xx ksi <br />Density pcf <br />Load Combination : ASCE 7-16 <br />. Applied Loads Service loads entered. Load Factors will be applied for calculations. <br />Beam self weight NOT internally calculated and added <br />Load for Span Number 1 <br />Uniform Load : D = 0.00810 ksf, Tributary Width = 2.0 ft, (Existing Roof Dead load) <br />Uniform Load : Lr = 0.020, W = -0.030 ksf, Extent = 0.0 -->> 0.750 ft, Tributary Width = 2.0 ft, (Existing Roof live & wind load) <br />Load for Span Number 2 <br />Uniform Load : D = 0.00810 ksf, Tributary Width = 2.0 ft, (Existing Roof Dead load) <br />Point Load : D = 0.0220, W = -0.2220 k @ 3.0 ft, (Solar panel load) <br />Point Load : D = 0.0220, W = -0.2220 k @ 5.30 ft, (Solar panel load) <br />Uniform Load : Lr = 0.020, W = -0.030 ksf, Extent = 9.80 -->> 10.0 ft, Tributary Width = 2.0 ft, (Existing Roof live & wind load) <br />.DESIGN SUMMARY Design OK <br />Maximum Bending Stress Ratio 0.763: 1 <br />Load Combination D Only <br />Span # where maximum occurs Span # 2 <br />Location of maximum on span 5.251 ft <br />30.13 psi= <br />= <br />1,397.25 psi <br />2x4 Section used for this span <br />Span # where maximum occurs <br />Location of maximum on span <br />Span # 1= <br />Load Combination D Only <br />= <br />= <br />= <br />162.00 psi== <br />Section used for this span 2x4 <br />Maximum Shear Stress Ratio 0.186 : 1 <br />2.000 ft= <br />= <br />1,066.75 psi <br />Maximum Deflection <br />75 >=48 <br />126 <br />Ratio =144 >=120 <br />Max Downward Transient Deflection 0.963 in 48 Ratio =>=48 <br />Max Upward Transient Deflection -1.590 in Ratio = <br />Max Downward Total Deflection 0.381 in Ratio =>=120 <br />Max Upward Total Deflection -0.329 in <br />fb: Actual <br />F'b <br />fv: Actual <br />F'v <br />Span: 1 : W Only <br />Span: 2 : W Only <br />Span: 2 : D Only <br />Span: 2 : +0.60D+0.60W <br />.Maximum Forces & Stresses for Load Combinations <br />Span # <br />Moment ValuesLoad Combination <br />C i CLx CCCM C F r t <br />Shear ValuesMax Stress Ratios <br />M CD V fb M fv F'b V F'v Segment Length Cfu <br />D Only 0.0 0.00 0.00.0 <br />1.00 Length = 2.0 ft 1 0.091 0.186 0.90 1.500 1.15 1.00 1.00 0.03 127.0 1,397.3 0.11 162.01.00 30.1 1.00 <br />1.00 Length = 10.0 ft 2 0.763 0.186 0.90 1.500 1.15 1.00 1.00 0.27 1,066.7 1,397.3 0.11 162.01.00 30.1 1.00 <br />1.00 +D+Lr 1.500 1.15 1.00 1.00 0.0 0.00 0.01.00 0.0 1.00 <br />317 E Berkeley St <br />04/18/23