Industrial Furnaces

NYC Admin. Code tit. 29, ch. 2, ch. 30

in effect

NYC Fire Code § FC 3001 General

Section FC 3001: General 3001.1 Scope. This chapter shall govern the design, installation, operation and maintenance of industrial furnaces used for commercial and industrial processing of materials. 3001.2 Permits. Permits shall be required as set forth in FC 105.6. 3001.3 General. Industrial furnaces shall be designed, installed, operated and maintained in accordance with this chapter, NFPA 86, and the construction codes, including the Fuel Gas Code and the Mechanical Code.

NYC Fire Code § FC 3002 Definitions

Section FC 3002: Definitions 3002.1 Definitions. The following words shall, for the purposes of this chapter and as used elsewhere in this code, have the meanings set forth in FC 202. FURNACE. Class A. Class B. Class C. Class D.

NYC Fire Code § FC 3003 Location

Section FC 3003: Location 3003.1 Ventilation. Enclosed rooms, basements or other areas below grade containing industrial furnaces shall be provided with combustion air in accordance with the construction codes, including the Mechanical Code and the Fuel Gas Code, and with ventilation in accordance with the Mechanical Code. 3003.2 Location. Industrial furnaces and heaters shall be located such that in the event of fire or explosion resulting from overheating or from the escape of fuel gas or fuel oil, damage to the building and injury to persons is minimized. 3003.3 Ignition source. Industrial furnaces shall be located so as not to pose an ignition hazard to flammable vapors or mists or combustible dusts that may be present as a result of a manufacturing operation or other lawful use and occupancy of the building. 3003.4 Temperatures. Roofs and floors of furnaces shall be insulated and ventilated to prevent temperatures at combustible ceilings and floors from exceeding 160°F (71°C).

NYC Fire Code § FC 3004 Fuel Piping

Section FC 3004: Fuel Piping 3004.1 Fuel-gas piping. Fuel-gas piping serving industrial furnaces shall be designed and installed in accordance with the Fuel Gas Code. Piping for other fuel sources shall comply with the requirements of this section. 3004.2 Shutoff valves. Each industrial furnace shall be provided with an approved manual fuel shutoff valve in accordance with the construction codes, including the Mechanical Code and the Fuel Gas Code. 3004.2.1 Fuel supply lines. Valves for fuel supply lines shall be located within 6 feet (1829 mm) of the appliance served. Exception: When approved and the valve is located in the same general area as the appliance served. 3004.3 Valve position. The design of manual fuel shutoff valves shall incorporate a permanent feature that visually indicates the open or closed position of the valve. Manual fuel shutoff valves shall not be equipped with removable handles or wrenches unless the handle or wrench can only be installed parallel with the fuel line when the valve is in the open position.

NYC Fire Code § FC 3005 Interlocks

Section FC 3005: Interlocks 3005.1 Shut down. Interlocks shall be provided for Class A furnaces so that conveyors or sources of flammable or combustible materials shall shut down if either the exhaust or recirculation air supply fails.

NYC Fire Code § FC 3006 Fire Protection

Section FC 3006: Fire Protection 3006.1 Required protection. Class A and B furnaces that contain, or are utilized for the processing of, combustible materials shall be protected throughout by a fire extinguishing system complying with the requirements of FC Chapter 9. 3006.2 Fixed fire extinguishing systems. A fixed fire extinguishing system shall be provided for Class C or D furnaces to protect against such hazards as overheating, spillage of molten salts or metals, quench tanks, ignition of hydraulic oil and escape of fuel. 3006.3 Portable fire extinguishers. Portable fire extinguishers complying with the requirements of FC 906 shall be provided not closer than 15 feet (4572 mm) or a maximum of 50 feet (15240 mm) from each furnace or in accordance with NFPA 10.

NYC Fire Code § FC 3007 Operation and Maintenance

Section FC 3007: Operation and Maintenance 3007.1 Furnace operation and maintenance instructions. The furnace manufacturer's complete installation, inspection, testing, operation and maintenance instructions shall be available on the premises to those individuals responsible for the operation, maintenance and supervision of the furnace. 3007.2 Furnace nameplate. The following data for Class A furnaces shall be furnished on the manufacturer's nameplate: 1. The solvent used. 2. The number of gallons (liters) used per batch or per hour of solvent entering the furnace. 3. The required purge time. 4. The oven operating temperature. 5. The exhaust blower rating for the number of gallons (liters) of solvent per hour or batch at the maximum operating temperature, or with regard to low-oxygen furnaces, the maximum allowable oxygen concentration. 3007.3 Training. The operation and maintenance of furnaces shall be performed by a person knowledgeable and trained in the operation and maintenance of such furnaces. 3007.4 Equipment maintenance. Equipment shall be maintained in accordance with the manufacturer's instructions.

Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-146988Fetched: 10/24/2026