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Project : <br />Project Number: <br />By : <br />Date : <br /> Gabriel Zacatelco <br />PE <br />21-03-2023 <br />Check for Increase in overall seismic loads <br />Array Area = ft2 <br />Number of Arrays = <br />Total Array Area = ft2 <br />Array Load = psf <br />Number of Existing Arrays = <br />Existing Area = ft2 <br />Total Array Wt. = lb <br />Total Roof Area = ft2 <br />DL of Roof = psf <br />Total Wt. of Roof = lb <br />Increase in Seismic Wt. = < 10% <br />Conservatively the Wt. of the Walls tributary to the roof is not included. Seismic weight increase is less <br />than 10% and no seismic retrofit or evaluation of existing lateral system is required per Section 503.4 of <br />2022 CEBC. <br />21.0 <br />17 <br />357.25 <br />1594.6 <br />3.00 <br />1071.8 <br />0 <br />0.00 <br />12.88 <br />20545 <br />5.2% <br />317 E Berkeley St <br />04/18/23