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BUILDING PLANNING <br />2. Smoke alarms installed in accordance with Section <br />R314.2.2 shall be permitted to be battery powered. <br />R314.7 Fire alarm systems. Fire alarm systems shall be per- <br />mitted to be used in lieu of smoke alarms and shall comply <br />with Sections R314.7.1 through R314.7.4. <br />R314.7.1 General. Fire alarm systems shall comply with <br />the provisions of this code and the household fire warning <br />equipment provisions of NFPA 72. Smoke detectors shall <br />be listed in accordance with UL 268. <br />R314.7.2 Location. Smoke detectors shall be 'installed in <br />the locations specified in Section R314.3. <br />R314.7.3 Permanent fixture. Where a household fire <br />alarm system is installed, it shall become a permanent fix- <br />ture of the occupancy, owned by the homeowner. <br />R314.7.4 Combination detectors. Combination smoke <br />and carbon monoxide detectors shall be permitted to be <br />installed in fire alarm systems in lieu of smoke detectors, <br />provided that they are listed in accordance with UL 268 <br />and UL 2075. <br />SECTION R315 <br />CARBON MONOXIDE ALARMS <br />R315.1 General. Carbon monoxide alarms shall comply with <br />Section R315. <br />R315.1.1 Listings. Carbon monoxide alarms shall be <br />listed in accordance with UL 2034. Combination carbon <br />monoxide and smoke alarms shall be listed in accordance <br />with UL 2034 and UL 217. <br />R315.2 Where required. Carbon monoxide alarms shall be <br />provided in accordance with Sections R315.2.1 and R315.2.2. <br />R315.2.1 New construction. For new construction, car- <br />bon monoxide alarms shall be provided in dwelling units <br />where either or both of the following conditions exist. <br />1. The dwelling unit contains a fuel -fired appliance. <br />2. The dwelling unit has an attached garage with an <br />opening that communicates with the dwelling unit. <br />R315.2.2 Alterations, repairs and additions. Where <br />alterations, repairs or additions requiring a permit occur, <br />or where one or more sleeping rooms are added or created <br />in existing dwellings, the individual dwelling unit shall be <br />equipped with carbon monoxide alarms located as <br />required for new dwellings. <br />Exceptions: <br />1. Work involving the exterior surfaces of dwell- <br />ings, such as the replacement of roofing or siding, <br />or the addition or replacement of windows or <br />doors, or the addition of a porch or deck, is <br />exempt from the requirements of this section. <br />2. Installation, alteration or repairs of plumbing or <br />mechanical systems are exempt from the require- <br />ments of this section. <br />R315.3 Location. Carbon monoxide alarms in dwelling units <br />shall be installed outside of each separate sleeping area in the <br />immediate vicinity of the bedrooms. Where a fuel -burning <br />68 <br />appliance is located within a bedroom or its attached bath- <br />room, a carbon monoxide alarm shall be installed within the <br />bedroom. <br />R315.4 Combination alarms. Combination carbon monox- <br />ide and smoke alarms shall be permitted to be used in lieu of <br />carbon monoxide alarms. <br />R315.5 Power source. Carbon monoxide alarms shall <br />receive their primary power from the building wiring where <br />such wiring is served from a commercial source and, where <br />primary power is interrupted, shall receive power from a bat- <br />tery..Wiring shall be permanent and without a disconnecting <br />switch other than those required for overcurrent protection. <br />Exceptions: <br />1. Carbon monoxide alarms shall be permitted to be <br />battery operated where installed in buildings without <br />commercial power. <br />2. Carbon monoxide alarms installed in accordance <br />with Section R315.2.2 shall be permitted to be bat- <br />tery powered. <br />R315.6 Carbon monoxide detection systems. Carbon mon- <br />oxide detection systems shall be permitted to be used in lieu <br />of carbon monoxide alarms and shall comply with Sections <br />R315.6.1 through R315.6.4. <br />R315.6.1 General. Household carbon monoxide detection <br />systems shall comply with NFPA 720. Carbon monoxide <br />detectors shall be listed in accordance with UL 2075. <br />R315.6.2 Location. Carbon monoxide detectors shall be <br />installed in the locations specified in Section R315.3. <br />These locations supersede the locations specified in NFPA <br />720. <br />R315.6.3 Permanent fixture. Where a household carbon <br />monoxide detection system is installed, it shall become a <br />permanent fixture of the occupancy and owned by the <br />homeowner. <br />R315.6.4 Combination detectors. Combination carbon <br />monoxide and smoke detectors shall be permitted to be <br />installed in carbon monoxide detection systems in lieu of <br />carbon monoxide detectors, provided that they are listed in <br />accordance with UL 2075 and UL 268. <br />SECTION R316 <br />FOAM PLASTIC <br />R316.1 General. The provisions of this section shall govern <br />the materials, design, application, construction and installa- <br />tion of foam plastic materials. <br />R316.2 Labeling and identification. Packages and contain- <br />ers of foam plastic insulation and foam plastic insulation <br />components delivered to the job site shall bear the label of an <br />approved agency showing the manufacturer's name, the <br />product listing, product identification and information suffi- <br />cient to determine that the end use will comply with the <br />requirements. <br />R316.3 Surface burning characteristics. Unless otherwise <br />allowed in Section R316.5, foam plastic or foam plastic cores <br />used as a component in manufactured assemblies used in ' <br />2015 INTERNATIONAL RESIDENTIAL CODE° 4 S- <br />