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Village of Hempstead, NY
Nassau County
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Table of Contents
Table of Contents
Code
New Laws (1) Index
As used in this article, the following terms shall have the meanings indicated:
FINISHING SHOP
A building or part thereof used for the application of flammable finishes by means of spraying or dipping.
Finishing shops in buildings containing other occupancies shall be cut off from other portions of the building by fire partitions or fire walls and shall be equipped with an automatic sprinkler system.
The storage of flammable finishes inside finishing shops shall be restricted as follows:
A. 
Shelves. Quantities not exceeding, in the aggregate, 20 gallons, with no container exceeding one gallon in capacity, may be stored on a substantial shelf at least four feet above the floor and with suitable guard strips to prevent containers from falling.
B. 
Cabinets. Quantities not exceeding, in the aggregate, 50 gallons, with no container exceeding five gallons' capacity, may be stored in a cabinet entirely enclosed and made of stiffened sheet iron of at least 18 United States gauge in thickness and double-walled and one-and-one-half-inch air space or equivalent construction. Doors shall be of construction equivalent to the walls of the cabinets and shall be provided with three-point lock, fit closely, and shall be kept closed when not in use. Door sills shall be raised at least two inches above the bottom of the cabinet.
C. 
Storage rooms. Quantities in excess of those given in Subsections A and B above shall be in storage rooms as described in § 65-115.
Mixing operations shall be carried on only in storage rooms as described in § 65-115, provided that containers of a total capacity not exceeding two gallons may be opened and their contents mixed in the finishing room.
Receptacles containing flammable finishes shall be kept tightly covered.
All spraying shall be performed in a spray room or spray booth constructed and maintained in accordance with the following provisions, except that an equivalent construction shall be acceptable if such construction shall afford the same or greater safeguard against fire:
A. 
Spray rooms. If spraying is performed in a room not provided with a spray booth, such spray room shall be separated from the remainder of the building by partitions having a one-and-one-half-hour fire-rated assembly. Doors on such rooms shall be equal in fire resistance to the partitions and shall be of the self-closing type or so installed as to close automatically in case of fire.
B. 
Booths: material, size. Spray booths may be metal or other noncombustible material and of ample size to accommodate the object to be sprayed.
C. 
Ventilation of booth. Spray booths shall be provided with exhaust systems of sufficient capacity to adequately remove vapors or residue. The supply of air entering the room where the spray booths are located shall be substantially equivalent to the exhaust capacity provided. Each spray booth shall have an independent stack or vent, except that not more than three booths, each with less than six square feet frontal area, may connect to one stack. They shall be properly supported and shall have at least a six-inch clearance where passing through wooden floors, roofs, partitions or in close proximity to them or other combustible material.
D. 
Use of fans. Ventilating fans in spray rooms and booths shall be kept in continuous operation while spraying is being carried on and shall not be stopped until all flammable vapors have been removed.
E. 
Receptacles. Pails or receptacles shall not exceed 10 gallons' capacity for gravity feed to spray guns and shall be kept covered with tight-fitting noncombustible covers. Only wire cable or those containing stranded wire cores shall be used to suspend gravity feed pails. Pails or receptacles containing flammable finishes shall be returned to the storage cabinet or storage room at the close of each day.
F. 
Portable lamps. No portable lamp shall be used inside spray rooms or booths. Lamps shall be prohibited inside spray booths and ducts and in any location where there is a possibility of the spray coming into direct contact with the lamp.
G. 
Electric motors. Electric motors shall not be placed inside booths or ducts.
H. 
Motor vehicles. Motor vehicles shall not be moved by their own power while in the finishing room. Electric storage batteries shall be removed.
Dip tanks having an area in excess of 10 square feet shall be provided with covers arranged to close automatically in case of fire and shall be so arranged that they may be closed manually. Smaller dip tanks shall be provided with covers or with asbestos blankets which may be placed over the tanks. If dip tanks are protected by an automatic fire extinguishing system employing a fire-retardant chemical, gas or water spray, the covers specified above may be omitted.
A. 
All containers of flammable finishes shall be of metal, constructed to prevent leakage. Interstate Commerce Commission containers shall be acceptable for storage.
B. 
Containers used as part of the spraying outfit shall be of metal, except that glass containers not exceeding one pint capacity and containers with glass inner linings of not more than one gallon capacity, protected with a metal holder or guard permanently fixed around the container, may be used.
Rooms for the storage and handling of flammable liquids shall be constructed with walls, floors and ceilings having a fire-resistance rating of not less than one hour, provided that where in the opinion of the Building Department the hazard is more than moderate, based upon a consideration of the quantity and nature of the liquids involved and the extent of mixing operations, together with the construction of the building and its exposures, construction having a fire-resistance rating of not less than two hours shall be required. Door openings to the room shall be protected by automatic or self-closing fire doors and shall have noncombustible sills raised at least six inches above the room floor.
A. 
Unless ventilated spray booths are used for all finishing operations, finishing rooms shall be continuously ventilated during operation. Ventilation shall be such as to effect at least one complete change of air every three minutes.
B. 
Exhaust outlets in finishing rooms shall be located not more than five feet above the floor and shall discharge directly outside the building. Stacks and ducts shall be of substantial construction with joints riveted and soldered or otherwise made tight. They shall extend as directly as possible to the outside air and not through other rooms and shall be so arranged that the discharge of vapor and residue or fire therefrom will not endanger property. They shall not be connected to other ventilating or collecting systems.
A. 
Artificial lighting shall be by electricity only. All electrical wiring equipment in finishing shops shall be in accordance with generally accepted good practice for such hazardous locations, and compliance with the Electrical Standards of the Village for hazardous locations shall be deemed in accordance with generally accepted good practice.[1]
[1]
Editor's Note: For Electrical Standards, see Ch. 60.
B. 
Where spraying is done in spray booths, portions of the room more than 20 feet from the booth need not be considered hazardous locations for the purpose of this section. In the area within 20 feet of spray booths, generally accepted good practice shall permit the use of motors of the totally enclosed type or of the open induction type, having no brushes, make-or-break contacts, collectors or other arcing or sparking parts.
All metal spray booths, dip tanks, bake ovens, mixers, filters, pumps, motors and shafting shall be electrically grounded.
Japanning and enameling drying ovens shall not be placed in contact with wood floors or other combustible material. Heating of ovens shall be done by steam coils, indirect hot-air circulation through the ovens to the outside, indirect hot-oil circulating pipes, indirect gas burners or electricity. Open flames or fires shall not be in communication with the compartments where goods are being treated.
No open flames shall be permitted in storage or mixing rooms, storage cabinets, finishing rooms or spray booths. For heating purposes, indirect systems only shall be used.
Adequate portable fire extinguishers or other fire extinguishing appliances shall be installed in finishing rooms and near storage cabinets and spray booths.
A. 
Refuse. Finishing shops shall be kept free from all unnecessary combustible materials and refuse.
B. 
Cleaning. Floors of finishing shops, drainboards and the interior of spray booths shall be thoroughly cleaned at least once a day. In cleaning, care shall be taken to use implements which will not create sparks. Sweepings or deposits from spray booths or rooms, ducts or stacks shall be immediately removed from the building.
Metal waste cans with self-closing covers shall be provided for all waste and rags.
Smoking shall be prohibited in any room used for storage of flammable finishes and in any finishing room. Suitable "No Smoking" signs shall be prominently displayed.