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Project : <br />Project Number: <br />By : <br />Date : <br />Abel Gonzalez Chavez <br />PE <br />18-03-2023 <br />Summary of Gravity Loads <br />Dead Load, D =psf <br />Roof Live Load, Lr =psf <br />Gravity Load Comparison <br />(D + Lr)/Cd =psf <br />(Cd = 0.9 for D, 1.15 for S, 1.25 for Lr) <br />Max Loading =psf <br />Proposed to Current Loading Ratio = <br />Existing With PV Array <br />12.88 16.05 <br />30.32 17.83 <br />20.00 0.00 <br />Existing With PV Array <br />O.K. <br />Gravity Loading with PV Array is not stressing the current framing system by more that 5% of the original <br />configuration. Per Section 503.3 of 2022 California Existing Building Code the structure is allowed to remain <br />unaltered for gravity loading <br />30.32 17.83 <br />59% < 105% <br />1406 W 12th St <br />05/19/23