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Check Joist for Ponding <br />Tributary Width tw = ft <br />Max Span L = ft <br />Camber D = in <br />Section Properties <br />Top & Bott. Angle Sizes = in <br />Total Depth d = in <br />Total Chord Area A =in2 <br />Member Section Modulus S in3 <br />Moment of Inertia I =in4 <br />Elastic Modulus E = ksi <br />Design Loads DLE = psf =plf <br />DLN = psf =plf <br />0.6WL = psf =plf <br />Lr =psf No Modules <br />Lr =psf <br />Deflection DDL_E =in <br />DDL_N =in <br />in - 1" Camber <br />DR =in * 62.4 pcf =psf <br />DDL_E = in <br />DDL_N = in <br />DWL = in <br />in - 1" Camber <br />DR =in * 62.4 pcf =psf <br />Load Comparison <br />Governing Load Combination (E) <br />1. DLE + LLr <br />New Load Combinations <br />2. DL + (Lr or R) <br />3. DL + 0.6WL <br />4. DL + 0.45WL + 0.75(Lr or R) <br />DCR <br />NS STRUCTURAL ENGINEERING, INC MADE BY: JL <br />4642 Rockland Place La Canada <br />Flintridge, CA 91011 <br />CHECKED BY: NS <br />32.5 psf <br />0.93 < 1.05 <br />27.6 psf <br />PAGE NO. 2 <br />Target 1441 W. 17th St. Santa Ana Solar Rooftop Project DATE: <br />8.0 <br />50.0 <br />L2x2x1/4 <br />30.0 <br />6.3 <br />3.3 <br />Joists <br />35.0 psf <br />30.9 psf <br />1.09 <br />0.13 <br />1.22 <br />1.22 <br />1.09 <br />5.3 * LLr occurs @ Walkway Only as Module <24" from roof <br />surface. An average is taken over entire beam TA <br />16 <br />1.5 <br />152 <br />2.25 psf <br />0.55 <br />1.64 <br />0.64 <br />0.13 <br />9.6 <br />18.0 <br />76.8 <br />3.8 <br />54.00 <br />678.00 <br />29,000 <br />19 <br />1441 W 17th St - 101115926 & <br />20180369 <br />11/16/2023