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Project : <br />Project Number: <br />By : <br />Date : <br />But Nguyen <br />PE <br />17-01-2023 <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. = < <br />24.09 <br />75136 <br />2.1% 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 />21.1 <br />25 <br />528.02 <br />3118.4 <br />3.00 <br />1584.1 <br />0 <br />0.00 <br />820 N Euclid St <br />03/27/23