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For automatic sprinkler requirements, see Chapter 15-16.
(Prior code § 129.1-57)
The operation and maintenance of paint spray operations shall also comply with the following:
(a) All spray areas shall be kept as free from the accumulations of deposits of combustible residues as practical with cleaning conducted daily.
(b) Scrapers, spuds, or other such tools used for cleaning purposes shall be of nonsparking material.
(c) Residue scrapings and debris contaminated with residue shall be immediately removed from the premises and properly disposed of.
(d) The use of flammable solvents for cleaning operations shall be restricted to those having a flashpoint of not less than 100 degrees Fahrenheit closed cup tester except that solvents with flashpoints not less than those normally used in spraying operations may be used for cleaning spray nozzles and auxiliary equipment, provided such cleaning is conducted inside spray booths and ventilating equipment is operating during cleaning periods.
(e) Spray booths shall not be alternately used for different types of coating materials, where the combination of the materials may be conducive to spontaneous ignition, unless all deposits of the first used material are removed from the booth and exhaust ducts prior to spraying with the second coating material.
(Prior code § 129.1-58)
Motor vehicle undercoating operations shall comply with the following provisions:
(a) When certified by the bureau of ventilation that the premises comply with all applicable provisions of Chapter 13-176 and when undercoating materials and solvents having a flashpoint not lower than 100 degrees Fahrenheit closed cup testers are used, motor vehicle undercoating spray operations may be exempt from this Code relating to spraying operations on the express approval of the fire commissioner.
(b) Undercoating spray operations not conforming with paragraph (a) of this section shall be subject to all applicable provisions of this Code.
(Prior code § 129.1-59; Amend Coun. J. 5-18-16, p. 24131, § 146)
Notes
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Electrostatic paint spray and deterring apparatus shall conform to the requirements of Chapter 15-24 for the provisions of paint spraying and to the specific requirements of the following:
(a) Electrostatic apparatus and devices used in connection with paint-spraying and paint-deterring operations shall be only of the approved type.
(b) Transformers, power packs, control apparatus and all other electrical portions of the equipment, with the exception of high voltage grids and electrostatic atomizing heads and their connections, shall be located outside of the spraying areas or vapor areas as defined in Section 15-24-550 or shall comply with the requirements of Section 14E-5-500 for Class II hazardous locations.
(c) Electrodes and electrostatic atomizing heads shall be of substantial construction, shall be rigidly supported in permanent locations and shall be effectively insulated from ground. Insulators shall be nonporous and noncombustible.
(Prior code § 129.1-60; Amend Coun. J. 9-6-17, p. 55278, Art. II, § 54)
All electrostatic paint spray apparatus shall conform to the requirements of Title 14E and with the following specific requirements:
(a) A space of at least twice the sparking distance shall be maintained between goods being painted or deterred and electrodes, electrostatic atomizing heads or conductors. A suitable sign indicating such distance shall be conspicuously posted.
(b) Electrostatic apparatus shall be equipped with automatic controls which will operate without time delay, to disconnect the power supply to the high voltage transformer and to signal the operator under any of the following conditions:
1. Stoppage of the ventilating fans or failure of the ventilating equipment from any cause;
2. Stoppage of the conveyor carrying goods past the high-voltage grid;
3. Occurrence of a ground or of an imminent ground at any point on the high-voltage system;
4. Reduction of the clearance below that specified in Section 15-24-690.
(Prior code § 129.1-61; Amend Coun. J. 9-6-17, p. 55278, Art. II, § 55)
The following shall also apply to electrostatic spray painting apparatus and operations:
(a) Adequate booths, fencing, railings or guards shall be so placed about the equipment that they, either by their location or character or both, assure that a safe isolation of the process is maintained from plant storage and personnel. Such railings, fencing and guards shall be conducting material adequately grounded and shall be at least five feet from the processing equipment.
(b) Signs designating the process as dangerous in regard to fire and accident shall be posted. Such signs shall have a white field with red letters at least four inches high with at least one-half-inch stroke. Such signs shall read as follows: “Electrical and Fire Hazard – Keep Away – Only Authorized Personnel Permitted”.
(c) All insulators shall be kept clean and dry.
(d) Drip plates and screens subject to paint deposits shall be removable and shall be taken to a safe place for cleaning.
(Prior code § 129.1-62)
Electrostatic handheld mobile paint-spraying and paint-deterring apparatus shall conform to the requirements of Chapter 15-24 for the provisions of paint spraying and to the specific requirements of the following:
(a) Electrostatic apparatus and devices used in connection with paint-spraying and paint-deterring operations shall be only of the approved type.
(b) Transformers, power packs, control apparatus and all other electrical portions of the equipment, with the exception of electrostatic atomizing spray gun and its connections, shall be located outside of the spraying areas or vapor areas, as defined in Section 15-24-550 or shall comply with the requirements of Section 14E-5-500 for Class II hazardous locations.
(c) The handle of the spraying gun shall be grounded, by a metallic connection, in such a manner that the operator is grounded during the time the spray gun is operated.
(d) All objects and devices within the spray area shall also be grounded and signs posted stating the object or device is grounded during the time the spray gun is operated.
(e) Adequate ventilation shall be provided to eliminate an explosive atmosphere due to the presence of explosive vapor.
(f) Signs, as required by Section 15-24-700(b) shall be posted in the area to prevent personnel from being harmed.
(Prior code § 129.1-62.1; Amend Coun. J. 9-6-17, p. 55278, Art. II, § 56)
ARTICLE VII. DIPPING AND ROLL COATING (15-24-720 et seq.)
“Dip tank” means a tank, vat or container containing Class I, II, or III flammable liquid or a liquid containing any volatile flammable substance in solution or by suspension in which articles or materials are immersed for the purpose of coating, finishing, cleaning, treating or similar processes.
“Dip tank vapor area” means the area within a 20-foot radius of any dip tank, its drain board or associated drying, conveying or other equipment, during operation or shutdown periods, unless separated by walls conforming to Section 15-24-570 of this Code.
(Prior code § 129.1-63)
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