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Project: Proposed ADU Sheet 6 <br />Address:2121 LEWIS ST AND 2121 LEWIS ST #2 Job No.2025-7 <br />SANTA ANA, CA 97206-2236 Date: <br />A.6. BUILDING WEIGHT WITHIN AND THE NEW ADDITION, AND ADJACENT AREA; 45.75' X 28' <br /> <br />A.6.1 NORTH-SOUTH DIRECTION <br />ROOF 1.Building Size <br />to GF 21.5 feet span by 49.25 feet wide (ave) <br />2.Tributary Building Height <br />Roof to Second Flr:10.25 feet (Mean Roof Height) <br />3.Building Weight <br />Wt (psf)Area (sf)Wt (lbs) <br />Roof 16.00 1058.9 16,942 <br />1/2 Walls (2nd Level)14.00 220.4 3,085 <br /> W =20,027 lbs <br />A.6.2 EAST-WEST DIRECTION <br />ROOF 1.Building Size <br />to GF 49.25 feet span by 21.5 feet wide <br />2.Tributary Building Height <br />Roof to Second Flr:10.25 feet (Mean Roof Height) <br />3.Building Weight <br />Wt (psf)Area (sf)Wt (lbs) <br />Roof 16.00 1058.9 16,942 <br />1/2 Walls (2nd Level)14.00 504.8 7,067 <br /> W =24,009 lbs <br />Since the load is almost the same, use the larger load in determining base <br />shear and diaphragm loads, and apply to both directions. <br />KM Associates Inc Structural Calculation Sheet <br />5/27/2025