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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notes for hood extinguishing systems
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. Please note, if a full manual 17 not available, the inspection may be discontinued and a rescheduling fee will apply.
Fryers shall be separated from surface flame appliances by 16 inches jfpa an 8 inch steel or tempered glass baffle plate shall be provided between fryers and surface flames. Long-handled tongs, hooks, and other required devices shall be provided and used to safely add fuel, adjust the fuel position, and 17s the fire without the user having to reach into the firebox. Manual pull stations shall be located no higher than four feet above finished floor and shall be readily accessible for 209 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.
Spark arrester screens located at the entrance of the flue or in the hood assembly shall be cleaned prior to their becoming heavily contaminated and restricted. 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 200 operated.
Choose and use number operations to solve time problems. The ash shall be carried to a separate heavy metal container or dumpster used exclusively for the purpose.
Placement is at discretion of the inspector. Fuel shall be permitted to be stored closer than the requirements of Item 2 above where a solid fuel appliance or other cooking appliance is listed or approved for less clearance to combustibles.
Solid Fuel Handling and Ash Removal 1. Hood exhaust jfpa 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 the design of the extinguishing system. OCFA final inspection required. The flue or chimney shall be repaired or replaced if any unsafe condition is evident. The ash shall be spread out gently in small lots on the chamber floor nvpa on a shovel, to be sprayed before it is removed to the metal container or cart.
A Class K rated extinguisher shall be provided within a maximum of 30 ft. The flue or chimney shall be inspected weekly for the following conditions: The flue or chimney shall be cleaned before these conditions exist. The combustion chamber shall be scraped clean to its original surface once each week and shall be inspected for deterioration or defects. Inspections canceled after 1 p.
notes for hood extinguishing systems
Solid cooking appliances shall be inspected, cleaned, and maintained in accordance with the following per NFPA 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. Tools shall be provided so that ash removal can be accomplished without having to reach into the chamber. Fusible links shall be replaced 71a least semiannually.
Storage of Solid Fuel 1. A placard shall be conspicuously placed near each extinguisher that states: 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. Please schedule all field inspections at least 48 2090 in advance. Filters and filtration devices installed in a hood shall ntpa cleaned. 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.
Where a building fire alarm or monitoring system is installed, the automatic fire-extinguishing system s shall be monitored in accordance with NFPA When any hole occurs in a container from corrosion or damage, the container shall be repaired or replaced immediately. School Transportation Fuel Worksheet. No solid fuel cooking device of any type shall be permitted for deep fat frying involving more than 1 qt.
Flammable solvents or other flammable cleaning aids shall not be used. Fuel shall not be stored in the path of the ash removal. The container or cart shall always be covered when it is being moved through the premises. Nfla 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.
Piping shall be rigidly supported to prevent movement shall not npa able to sway for cleaning. Additional extinguishers may be required based on travel distance for solid fueled equipment or multiple fryers with a 6 ft2 surface area or greater.
All gas fueled, electrically powered, and heat-producing equipment located under the hood shall shut down upon activation of the extinguishing system. The distance is measured from the edge of hood. Where more than one manual actuator nvpa is installed, they shall be identified with a permanent sign indicating which extinguishing system each will activate.
NFPA 17A: Standard for Wet Chemical Extinguishing Systems, Edition – Google Books
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 the access door is open. 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.
Math June 1, 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. Fuel ngpa be separated from all flammable liquids, all ignition sources, all chemicals, and all food supplies and packaging goods. Hydrostatic testing of ngpa wet chemical extinguishing system shall be completed in intervals not exceeding 12 years.
All ash shall be removed from the chamber a minimum of once a day. Phasing of inspections may require additional fees. Matches and other portable ignition sources shall not be stored in the vicinity of the solid fuel appliance.
All interior surfaces of the exhaust systems shall be made accessible for cleaning and inspection purposes.
The complete technical manual shall be made available to the inspector.