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•E <br /> 4. The new doors and windows appear to require safety glass. See Section R308.4 and Figure <br /> R308.4.7. <br /> - See note on revised Floor Plan Sheet A1.1 <br /> 5. The exterior of the building should be insulated-to provide a thermal envelop complying with <br /> the 2015 WSEC. The thermal rating (i.e., Rmin, Umax) should be specified for each component of <br /> the building (e.g., walls, windows). Prescriptive values should be specified per WSEC Tables <br /> R402.1.1 or R402.1.3. See WSEC-15 Section R503.1. <br /> - The windows will have a U value of 0.30. <br /> - The doors, with glass, will have a U value of 0.55 <br /> - The exterior walls and ceiling/roof structure are existing and will not <br /> be disturbed. <br /> 6. Smoke and carbon monoxide alarms should be provided per Sections R314.2.2(WAC) and <br /> R315.2.2(WAC). Floor plans showing the locations of all sleeping rooms should be provided. <br /> - See attached Sheet on A1.2 <br /> 7. Smoke alarms should be interconnected per Section R314.5. Combination alarms are permitted <br /> per Sections R314.5 and R315.4. <br /> See notes on attached Sheet A1.2 <br /> 8. Handrails should be provided at all stairs complying with Section R311.7.8. See IPMC 307.1. <br /> - See added note on revised Floor Plan on Sheet A1.1 <br /> Structural <br /> 1. Details for the construction of all walls should be provided. Walls should include fire blocking <br /> per IRC Section R302.11. See Section R602.3 and Table R602.3(1). <br /> - All exterior walls are existing walls. See attached information on the new header <br /> for the west window. <br /> 2. The following comments should be addressed for the north window: <br /> a. The window installation appears to require demolition of the existing wall framing. This <br /> should be stated in the Demolition Floor Plan on Sheet A1.1. <br /> - The new window is fitting in the place of the removed existing window, no <br /> demolition is required. <br /> b. The plans should specify a header and wall framing complying with Sections R602.7 and <br /> R602.7.5. <br /> - See attached information from Nickerson Engineering, LLC. <br /> - 76 <br /> Thank you. 2.7tii: <br /> Botesch, Nash & Hall Architects <br /> 411 <br /> STATE OF 10 Div <br /> A• ew M. H , <br /> President <br /> 9,4 EL <br />