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<br />AHZ Consulting Engineers, Inc. <br />111 Rodeo <br />Irvine, CA 92602 <br />(949) 466-1544 <br />Date: 07/13/2025 <br /> Job Code: 25035 <br />South Coast Tech <br />Page 4 of 20 <br /> <br /> <br />Seismic Check: <br /> Wall weight (psf) = 17 <br />Tributary wall area (sqft) = 12600 <br />Total wall weight (lbs) = 214200 <br />Roof weight (psf) = 10 <br />Roof area (ft) = 98000 <br />Roof weight (lbs) = 980000 <br />Total roof seismic weight (lbs) = 1194200 <br /> Weight Increase: (Existing W + Additional W)/ (Existing W) = 1.02 OK <br /> <br /> <br />