2009 NFPA 17A PDF

Buy NFPA 17A: WET CHEMICAL EXTINGUISHING SYSTEMS from SAI Global. This edition of NFPA 17A, Standard for Wet Chemical Extinguishing Systems, was Changes to the edition clarified inspection, maintenance, and service. Title, NFPA 17A: Standard for Wet Chemical Extinguishing Systems, Edition . Publisher, NationalFireProtectionAssoc. ISBN, ,

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All gas fueled, electrically powered, and heat-producing equipment located under the hood shall shut down upon activation of the extinguishing system. Math June 1, A heavy metal container or cart minimum 16 gauge with a cover shall be provided for the removal of ash.

A placard shall be conspicuously placed near each extinguisher that states: A shut down of all electrical and gas cooking equipment shall also be demonstrated.

The ash shall be carried to a separate heavy metal container or dumpster used exclusively for the purpose. Ash Removal Process 1. Combustible or flammable liquids shall not be used to assist ignition.

Any significant deterioration or defect that might weaken the chamber or reduce its insulation capability shall be immediately repaired. Piping shall be rigidly supported to prevent movement shall not be able to sway for cleaning. Metal-fabricated solid fuel cooking appliances shall be listed for the application where produced in practical quantities or shall be approved by the authority having jurisdiction.

School Transportation Fuel Worksheet. Wet chemical systems shall be provided with an audible or visual indicator to show that the system is in a ready condition or is in need of recharging. Solid cooking appliances shall be inspected, cleaned, and maintained in accordance with the following per NFPA Where acceptable to the authority having jurisdiction, fuel storage areas shall be permitted to be protected with a fixed water pipe system with a hose capable of reaching all parts of the area.

The flue or chimney shall be repaired or replaced if any unsafe condition is evident.

For existing hood extinguishing systems, where changes in the cooking media, positioning of cooking equipment or replacement of cooking equipment occur, plans shall be submitted to the OCFA for the automatic fireextinguishing system and shall comply with the applicable provisions. Documents Flashcards Grammar checker. Hydrostatic testing of the wet chemical extinguishing system shall be completed in intervals not exceeding 12 years.


Where storage is in the same room as the solid fuel appliance or in the same room as the fuel-loading or clean-out doors, fuel storage shall not exceed a 1-day supply. Where listed, metal-fabricated solid fuel cooking appliances shall be installed in accordance with the terms of their listings and with the applicable requirements of this standard.

Choose and use number operations to solve time problems. All ash shall be removed from the chamber a minimum of once a day.

Fryers shall be separated from surface flame appliances by 16 inches or an 8 inch steel or tempered glass baffle plate shall be provided between fryers and surface flames.

Solid fuel shall be added to the fire as required in a safe manner and in quantities and ways not creating a higher flame than is required.

Phasing of inspections may require additional fees. Tools shall be provided so that ash removal can be accomplished without having to reach into the chamber. Other Safety Requirements 1. OCFA final inspection required. The ash removal container or cart shall not exceed a maximum of 20 gal capacity, shall be assigned for this one purpose, shall be able to be handled easily by any employee assigned the task, and shall pass easily through any passageway to the outside of the building.

The distance is measured from the edge of hood. Solid Fuel Handling and Ash Removal 1. Annual Fuel Usage Report. 177a tongs, hooks, and other required devices shall be provided and used to safely add fuel, adjust the fuel position, and control the fire without the user having to reach into the firebox. Fuel shall be permitted to be stored in an area with walls, floor, and ceiling of combustible or limitedcombustible construction. Fuel shall be separated from all flammable liquids, all ignition sources, all chemicals, and all food supplies and packaging goods.

Hood 17w fans shall continue to operate after the extinguishing system has been activated, unless fan shutdown is required by a listed component of the ventilation system or by npa design of the extinguishing system.


notes for hood extinguishing systems

Nfla solvents or other flammable cleaning aids shall not be used. Residue that might begin to restrict the vent or create an additional fuel source b. Site-built solid fuel cooking appliances shall be submitted for approval to the authority having jurisdiction before being considered for installation. Portable fire extinguishers shall be conspicuously located along normal paths of travel where they are readily accessible.

Storage of Solid Fuel 1. Nozzle type, height, and orientation relative to placement of cooking appliances will also be verified during the inspection. Spark arrester screens located 1a7 the entrance of the flue or in the hood assembly shall be cleaned prior to their becoming heavily contaminated and restricted.

NFPA 17A: Standard for Wet Chemical Extinguishing Systems, Edition – Google Books

In lieu of the sprinkler system outlined in If the floor of the chamber is of a metal that is subject to rapid corrosion from water, then a noncombustible, corrosion-resistant pan shall be placed just outside the cleanout door for this purpose. Fuel shall not be stored above any heat-producing appliance or vent or closer than 3 ft to any portion of a solid fuel appliance constructed of metal or to any other cooking appliance that could ignite the fuel.

If during the inspection it is found that the hood, grease removal devices, fans, ducts or other appurtenances have an accumulation of grease, such components shall be cleaned. Placement is at discretion of the inspector. Inspections canceled after 1 p. The flue or chimney shall be inspected weekly for the following conditions: Extinguishing systems shall be serviced at least every six months, or after activation of the system, by a qualified trained person. Manual pull stations shall be located no higher than four feet above finished floor and shall be readily accessible for use at or near a means of egress from the cooking area a minimum of 10 feet and maximum of 20 feet from the kitchen exhaust system.