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PASS <br />DATE: 3/20/2026 COMPANY: JRS Engineering & Design LLC <br />STRUCALC BUILD: StruCalc Pro DESIGNED BY: Jeffrey Schaefer <br />CUSTOMER: REVIEWED BY: -- <br />PROJ. ADDRESS: -- PROJECT NAME: 2124 N Ross St <br />-- <br />LEVEL: Roof LOADING: LRFD <br />MEMBER NAME: Existing Roof Rafter CODE: 2025 California Building Code <br />MEMBER TYPE: ROOF RAFTER NDS: 2024 NDS <br />MATERIAL: Solid Sawn <br />Douglas Fir-Larch No. 2 (1) 1.5 X 5.5 24 (in) O.C. DRY <br />Existing Roof Rafter DIAGRAM <br />BEAM PROPERTIES <br />Start (ft): 0 End (ft): 8.583 Member Slope (in): 6/12 Actual Length (ft): 9.6 Roof Pitch (in): 6/12 O.C. Spacing (in): 24 <br />Area Ix Iy BSW Lams G Kcr <br />(in²) (in⁴) (in⁴) (lbf/ft) Creep Factor <br />8.25 20.8 1.55 1.88 1 0.5 1 <br />STRENGTH PROPERTIES <br />Fb (psi) Ft (psi) Fv (psi) Fc (psi) Fc⊥(psi) E (psi) x10³ Emin (psi) x10³ <br />Base Values 900 575 180 1350 625 1600 580 <br />Adjusted Values 2905 1615 389 3208 939 1600 868 <br />K F*ϕ 2.16 2.16 2.16 2.16 1.5 1 1.5 <br />C M 1 1 1 1 1 1 1 <br />C T 1 1 1 1 1 1 1 <br />C i 1 1 1 1 1 1 1 <br />C F 1.3 1.3 1 1.1 1 1 1 <br />Bending Adjustment Factors C fu = 1 C r = 1.15 <br />BEAM DATA <br />Unbraced Length (ft) Beam End <br />Span Length (ft) Top Bottom Elev. Diff (ft) CL(Top) CL(Bottom) CL(Left) CL(Right) <br />1 8.583333 0 8.583333 4.291667 <br />PASS-FAIL <br />Shear Stress Y (psi) <br />Bending Stress Y (psi) <br />Deflection Y (in) <br />Compressive Stress (psi) <br />Tensile Stress (psi) <br />Bearing Stress (psi) <br />Bending-Compression (Unit) <br />Bending-Tension (Unit) <br />PASS/FAIL <br />PASS (71.9%) <br />PASS (21.4%) <br />PASS (42.7%) <br />PASS (97.8%) <br />PASS (97.7%) <br />PASS (89.8%) <br />PASS (21.4%) <br />PASS (21.3%) <br />MAGNITUDE <br />87.3 <br />1827.5 <br />0.367 <br />29.1 <br />29.1 <br />95.4 <br />0.79 <br />0.79 <br />STRENGTH <br />311.0 <br />2323.9 <br />0.640 (=L/180) <br />1336.4 <br />1291.7 <br />939.4 <br />1.00 <br />1.00 <br />LOCATION (ft) <br />0 <br />4.292 <br />4.292 <br />0 <br />8.583 <br />0 <br />4.292 <br />4.378 <br />LOAD COMBO <br />1.2D+1.6Lr+L <br />1.2D+1.6Lr+L <br />D+Lr <br />1.2D+1.6Lr+L <br />1.2D+1.6Lr+L <br />1.2D+1.6Lr+L <br />1.2D+1.6Lr+L <br />1.2D+1.6Lr+L <br />TIME EFFECT λ <br />0.8 <br />0.8 <br />0.8 <br />0.8 <br />0.8 <br />0.8 <br />0.8 <br />Page 3 <br />2025 California Building Code LRFDPROJECT: 2124 N Ross St