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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Additional nfla required for solid fuel burning. Ash Removal Process 1. Filters and filtration devices installed in a hood shall be cleaned. Solid cooking appliances shall be inspected, cleaned, and maintained in accordance with the following per NFPA A placard shall be conspicuously placed near each extinguisher that states: Piping shall be rigidly supported to prevent movement shall not be able to sway for cleaning.

The ash shall be carried to a separate heavy metal container or dumpster used exclusively for the purpose.

Solid fuel shall be ignited with a match, an approved built-in gas flame, or other approved ignition source. Testing during the OCFA inspection shall include a manual and automatic activation via fusible link.

Movable cooking equipment shall be provided with a means to ensure that it is correctly positioned in relation to the appliance discharge nozzle during cooking operations.

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 nfps required. Ash, cinders, and other fire debris shall be removed from the firebox at regular intervals to prevent interference with the draft to the fire and to minimize the length of time 1a7 access door is open.

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.

notes for hood extinguishing systems

Inspections canceled after 1 p. All interior surfaces of the exhaust systems shall be made accessible for cleaning and inspection purposes. 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. Documents Flashcards Grammar checker.


Matches and other portable ignition sources shall not be stored in the vicinity of the solid fuel appliance. Phasing of inspections may require additional fees. 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.

Solid Fuel Handling and Ash Removal 1. Where more than one manual actuator pull is installed, they shall be identified with a permanent sign indicating which extinguishing system each will activate.

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. The flue or chimney shall be cleaned before these conditions exist.

All discharge nozzles shall be provided with caps, covers, or other suitable protective devices. The hood ventilation system shall be operated at the required rate of air movement, and approved grease filters shall be in place when cooking equipment under a kitchen grease hood is operated.

notes for hood extinguishing systems

All gas fueled, electrically powered, and heat-producing equipment located under the hood shall shut down upon activation of the extinguishing system. Choose and use number operations to solve time problems. The ash shall be sprayed with water before removal to extinguish any hot ash or cinders and to control the dust when the ash is moved. 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 nfps, and all food supplies and packaging goods. Any significant deterioration or defect that might weaken the chamber or reduce its insulation capability shall be immediately repaired. In lieu of the sprinkler system outlined in Swivel nozzles shall be rotated to a predetermined aiming point and then tightened to hold that angle.

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

Extinguishing systems shall be serviced at least every six months, or after activation of the system, by a qualified trained person. Tools shall be provided so that ash removal can be accomplished without having to reach into the chamber. The container or cart shall always be covered when it is being moved through the premises.


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.

Portable fire extinguishers shall be conspicuously located along normal paths of travel where they are readily accessible. Math June 1, The distance is measured from the edge of hood. All ash shall be removed from the chamber a minimum of once a day. 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.

School Transportation Fuel Worksheet. The flue or chimney shall be repaired or replaced if any unsafe condition is evident. 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.

Please note, if a full manual is not available, the inspection may be discontinued and a rescheduling fee will apply. Where a building fire alarm or monitoring system is installed, the automatic fire-extinguishing system s shall be monitored in accordance with NFPA Fusible links shall be replaced at least semiannually. The combustion chamber shall be scraped clean to its original surface once each week and shall be inspected for deterioration or defects.

Annual Fuel Usage Report. The ash shall be spread out gently in small lots on the chamber floor or on a shovel, to be sprayed before it is removed to the metal container or cart.