Members requested this so here ya go............... 2015 IRC/NJ Edition Section R-300 (The new code language which now recognizes 13D and P2904 for Height and Area)
SECTION R300 HEIGHT AND AREA LIMITATIONS Buildings of Type VB, unprotected wood framed construction, as that term is defined in Section 602 of the building subcode, shall be not more than two stories, not more than 35 feet in height, and not more than 4,800 square feet in area per floor. For the purpose of applying this section, a habitable attic shall not constitute a story. R300.1 Increases in Height. The building shall be not more than three stories and not more than 55 feet in height where the building is equipped throughout with an automatic sprinkler system installed in accordance with the National Fire Protection Association (NFPA) Standard 13D or Section P2904. R300.2 Increases in area. The area of a building may be increased as provided in Sections R300.2.1 and R300.2.2 below. R300.2.1 The area limitation shall be unlimited where a building is equipped throughout with an automatic sprinkler system installed in accordance with NFPA Standard 13D or Section P2904. R300.2.2 The area limitation shall be permitted to be increased two percent for each one percent of excess frontage where a building has more than 25 percent of the building perimeter fronting on a street or other unoccupied space. The unoccupied space shall be on the same lot or dedicated for public use, shall be not less than 30 feet in width, and shall have access from a street by a posted fire lane that is not less than 18 feet in width. R300.3 Buildings of VA construction. Buildings of VA, protected wood-framed construction, as that term is defined in Section 602 of the building subcode, shall be not more than three stories, not more than 40 feet in height, and not more than 10,200 square feet in area per floor. R300.3.1 Buildings of VA construction greater than three stories in height shall be designed and constructed in accordance with the building subcode. R300.3.2 Buildings of VA construction shall be permitted to be increased in area in accordance with R300.2. R300.4 Buildings of other types of construction. The height and area limits allowable for buildings of construction type VA shall apply to other construction types, as they are defined in Section 602 of the building subcode, provided that the fire ratings of building elements meet or exceed the requirements for type VA in Tables 601 and 602 of the building subcode. John Drucker, CET Assistant Construction Official Fire Protection Subcode Official Building/Fire/Electrical Inspector Borough of Red Bank Red Bank, New Jersey Email: [email protected] Cell/Text: 732-904-6823 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
