O-1954-476 - Laserfiche WebLink

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",---.-. e t '" " '''l!!~ , e e ...6- 3. ALTER..lTION. No building shall be hereafter altered so as to exceed in area in any story the limits fixed in this section. 4. AREA MODIFICATION. (a) The limiting areas fixed in this section may be increased by 100 percent when the building is sprinklered" and by 200 percent when the building is sprinklered and does not exceed one story nor an average of 25 feet in height to the roof, or to a fire retardant ceiling through which there shall be no openings except openings into shafts or duC?ts, the enclosing walls of which are of construction equivalent to the ceiling. (b) OUtside the fire limits the area of one-story buildings of heavy timber construction, ordinary construction and wood frame construction may be increased 33 1/3 per cent above the areas otherwise fixed in this section, when aD. wood struc tural members" including columns, waD. and partition studs and Sheathing, and floor and roof construction, are of approved fire retardant treated lumber as defined in section 7. (c) ,Outside the congested areas of the municipality" when a hazard- ous condition is not created thereby, the area of a public building, a business building or a storage bUilding, not over tHo stories high, may be increased in excess of the areas fixed by this section" in the discretion of the governing body of the municipality; provided that a building of combustible occupancy" or involving considerable combustible material in its structural parts, shall be sprinklcred, and also curtain 1x>ards or draft stops shaD. be installed as required by the building official. SECTION 17. LIGHT AND VENTILATI ON . 1. HABITABLE ROOMS. (a) Every habitable room shall be provided with natural light and ventilation by one or more windows, openin~ directly on a street or on a court conforming to subsection 5 of this section. (b) Such rooms shaD. be not less than 7 feet wide in any part, and. I shall contain not les~, than 70 square feet of gross floor area. SUch rooms .... ...... .... shall have a clear height of not less than 7 feet 6 inches for at least 60 square feet of floor area. 2. OTHm ROOMS. Every room, other than a habitable room, used or occupied by persons, except s"torage rooms with infrequent occupancy, shall be provided with one or more lrd.ndOWS or ventilating skylights opening directly on a street or on a court conforming to subsection 5 of this section; or such rooms shaD. be trovided with an approved means of mechanical ventilatiOIl:.