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Project: Proposed ADU Sheet 17 <br />Address:2121 LEWIS ST AND 2121 LEWIS ST #2 Job No.2025-7 <br />SANTA ANA, CA 97206-2236 Date: <br />D.2 CEILING JOIST <br />(a)New Building: <br />Req'd Span = 10 ft (longest span per plan) <br />(Note, Ceiling has NO Storrage and Uninhabitable) <br />From CRC, Table R 802.4 <br />Span Allowed for 2x10 at 16 in. , on center <br />For: Douglas Fir, #1 <br />Span Length =18'-1" <br />Therefore, OK. <br />KM Associates Inc Structural Calculation Sheet <br />5/27/2025 <br />2x8 <br />23'-10" <br />8/1USA <br />W <br />u us