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GK <br /> S7T2LJCTlJRAL ENG/NEER/NGS LLC STRUCTURAL <br /> EFFECTnV--EF77C/ENT.SOU-MONS REVIEW LETTER <br /> during the course of repairs to provide hard-wired detectors at repair locations as indicated to <br /> us by Mr. Budden. Per the IRC Sect R314,the following must be provided: <br /> a. Smoke detectors: <br /> i. In each sleeping room, <br /> ii. Outside each separate sleeping area in the immediate vicinity of the <br /> bedrooms, <br /> iii. On each additional story of the dwelling. <br /> b. CO detectors: <br /> i. Outside each separate sleeping area in the immediate vicinity of the <br /> bedrooms, <br /> ii. On each additional story of the dwelling. <br /> 5. All roof and wall insulation that has been damaged shall be removed and replaced as follows <br /> to meet the 2012 WSEC(energy code): <br /> a. Roof: <br /> i. new R-49 batt insulation at attic space, <br /> ii. new rigid insulation at the short segments of vaulted 2x4 rafters near the <br /> exterior walls, <br /> iii. maintain a minimum 1"air space above all roof insulation from vented eaves <br /> to ridge vents, <br /> iv. use vapor retarding primer on ceilings. <br /> b. Exterior walls: <br /> i. new R-15 kraft-faced batt insulation(may use unfaced batts if vapor retarding <br /> primer is used). <br /> Please call with any questions or clarifications on the above repairs prior to construction. Notify <br /> GKSE of any questionable existing framing conditions or code questions encountered during the <br /> course of repairs for further evaluation and recommendations. <br /> Sincerely, <br /> il5 <br /> GK STRUCTURAL ENG/NEER/NG, LLC <br /> Jeffrey J.Gilliland,PE,SE <br /> Principal <br /> Attachments: Structural Sketch,SK-1 <br /> General Site Plan,SP-1 <br /> NAL <br /> 608 STATE ST S, STE 100-0 PAGE 2 a F 2 P•425.238.9 7.3 7 <br /> KIRKLANO, WA 98033 F;405.050,03S4 J <br /> r �f <br />