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(a) Sprinklers.
(1) Whenever a building containing rooms in which flammable finishes are applied is classified as a high hazard occupancy, such building shall be equipped throughout with approved automatic sprinklers or other approved automatic fire- extinguishing equipment.
(2) In buildings equipped throughout with automatic sprinklers, all areas within finishing rooms and dipping rooms, including ceilings, walls and interiors of spray rooms and booths, shall be thoroughly protected by automatic wet-pipe sprinklers, or by a system of open sprinklers connected to an approved quick-operating valve actuated by an approved thermostatic system. In buildings not equipped throughout with approved automatic sprinkler systems or other approved automatic fire extinguishing equipment, spray rooms and booths shall be equipped with sprinklers supplied by a pipe of not less than one (1) inch in diameter connected to the domestic water system and installed in conformity with the provisions of Section 389.32.
(3) Sprinkler heads shall be located so that they will not become covered with paint and shall be kept clean.
(b) Hand Fire Extinguishing Equipment. Hand fire extinguishing equipment shall be provided in or immediately outside finishing rooms, and near storage cabinets, spray rooms, and booths, and shall be of such type and in such number as determined by the Fire Chief.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
(a) All spraying with flammable finishes of objects, manufactured articles, motor vehicles, etc., shall be done in an approved spray room or spray booth conforming to the provisions of this section.
(b) When spraying is done outside of spray booths, the room or rooms in which such spraying is done shall be separated from the remainder of the building by walls, floors and ceiling construction having a fire resistance rating of not less than three- fourths (3/4) hour, and all openings in such enclosure shall be equipped with self-closing or automatic closing opening protectives having a fire resistance rating of not less than three-fourths (3/4) hour. Floor surfaces in such rooms shall be of incombustible material. Ventilation shall be provided as specified in Section 385.06.
(c) Spray booths shall be of metal or other approved incombustible material and shall be of ample size to accommodate the object to be sprayed.
(d) Spray booths shall be provided with exhaust systems of sufficient capacity to adequately remove vapors and residues. The average face velocity at the booth shall be not less than one hundred (100) feet per minute, and greater velocities shall be provided, as approved or directed by the Fire Chief or the Commissioner of Air Pollution Control, for continuous heavy spraying using flammable or toxic material. The supply of air entering the room where spray booths are located shall be substantially equivalent to the exhaust capacity provided for such room and shall be from an uncontaminated source. Each spray booth shall have an independent stack or vent, except that not more than three (3) booths, each with less than six (6) square feet face area, may connect to one (1) stack. Exhaust ducts and their installation shall conform to the applicable provisions of Sections 385.06 and 3155.75 to 3155.77.
(e) Ventilating fans for spray rooms and booths shall be kept in continuous operation while spraying is being done and shall not be stopped until all flammable vapor has been removed.
(f) Pails or receptacles for gravity feed to a spray gun shall not exceed ten (10) gallons capacity, shall be kept covered with tight fitting incombustible covers and shall be securely and substantially supported. Where cables are used for support of gravity feed pails, only wire cables, or ropes containing stranded wire cores, shall be used.
(g) Pails or receptacles containing flammable finishes shall be returned to storage cabinets or fire resistive storage rooms or other approved storage places at the close of each day.
(h) No portable lamps except those specifically approved for the purpose shall be used inside spray rooms or booths. No lighting installation shall be made so that it is possible for the spray to come into contact with a lamp or with hot surfaces of a lighting fixture.
(i) Electric motors shall not be placed within spray rooms or booths, or in exhaust ducts from spray rooms or booths.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
(a) Dip tanks having an area in excess of ten (10) square feet shall be provided with approved fixed automatic fire extinguishing equipment or approved incombustible manually operative proper fitting covers arranged to close automatically in case of fire. Dip tanks ten (10) square feet or less in area shall be provided with suitable incombustible covers or with asbestos blankets which can be placed over the tanks, or with approved automatic fire extinguishing equipment.
(b) All rooms in which dip tanks are installed shall conform to the applicable provisions of Section 3129.43(c), and the enclosures of such rooms shall have not less than the minimum fire resistance specified therein.
(c) All rooms in which dip tanks are installed shall be located above grade level. During nonoperating periods all dip tanks shall be covered, or drained and cleaned.
(d) All dip tanks having a liquid surface of twenty-five (25) square feet or over shall be provided with trapped drainpipes and manually operative valves arranged to operate automatically in case of fire to drain the contents of the dip tanks into drain tanks installed in an approved location, preferably outside of the building.
(e) Whenever the liquid used in a dip tank and the exposed face area thereof are such that a fire or health hazard is created, the ventilation specified in Section 385.06 shall be provided at the dip tank or tanks.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
Drying ovens and drying rooms used in drying or baking flammable material shall not be installed in contact with combustible material. Drying ovens and rooms shall be so located that no fire-hazardous condition shall be created and shall be ventilated as required for finishing rooms in Section 385.06.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
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