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Madison Industries <br />Designed by: ML/JFB <br />August 4, 2016 <br />Job No: WCA17860-1 <br />Customer: Mobil Fueling Canopy <br />Structure: 65'-0" x 54'-4" (4) Column Canopy <br />Location: Tracy, CA 95377 <br />Sheet 32 <br />Flat Roof Ponding Checks <br />(Design Code: ANSI / AISC 360-05 Appendix 2) <br />Simplified Design for Ponding <br />Primary Members (Girders) <br />Secondary Members (Beams) <br />LP = <br />22 ft <br />Ls = <br />26 ft <br />S = <br />12.25 ft <br />Id = <br />0.90 in <br />CP = 32LsLP4/(101IP) = 0.022 <br />CS = 32SLS4/(10'IS) = 0.090 <br />W1 8x55 IP = 890.0 in <br />W14x22 IS = 199.0 in <br />Column spacing in the direction of the girder <br />Column spacing perpendicular to the direction of the girder <br />Spacing of secondary members <br />Moment of inertia of 16" wide steel deck, or = 0.68 in4/ft <br />Members: CP + 0.9Cs = 0.103 < or = 0.25 OK <br />Deck: Id = 0.68 > 25 (S"4) 10^-6 OK = <br />Roof is OK for Ponding by Simplified Design Method <br />0.563 in4/ft <br />JUN 0 8 2017 <br />