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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Extinguishing systems shall be serviced at least every six months, or after activation of the system, by a qualified trained person. Variables in the Airlines Data file. Fuel shall be permitted to be stored in an area with walls, floor, and ceiling of combustible or limitedcombustible construction.
Inspections canceled after 1 p. The container or cart shall always be covered when it is being moved through the premises. Hydrostatic testing of the wet chemical extinguishing system shall be completed in intervals not exceeding 12 years.
A heavy metal container or cart minimum jfpa gauge with a cover shall be provided for the removal of ash. Swivel nozzles shall be rotated to a predetermined aiming point and then tightened to hold that angle. Combustible or flammable liquids shall not be used to assist ignition.
Site-built solid fuel cooking appliances shall be submitted for approval to the authority having jurisdiction before being considered for installation. Fusible links shall be replaced at least semiannually.
notes for hood extinguishing systems
Please schedule all field inspections at least 48 hours in advance. 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 17s the area. Where stored in the same building as the solid fuel appliance, fuel shall nfa stored only in an area with walls, floor, and ceiling of noncombustible construction extending at least 3 ft.
Placement is at discretion of the inspector.
A placard shall be conspicuously placed near each extinguisher that states: OCFA final inspection required. 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.
Matches and other portable ignition sources shall not be stored in the vicinity of the solid fuel appliance. 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. 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.
A Class K rated extinguisher shall be provided within a maximum of 30 ft. 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. 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.
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. 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. Choose and use number operations to solve time problems. Where more than one manual actuator pull is installed, they shall be identified with a permanent sign indicating which extinguishing system each will activate. Phasing of inspections may require additional fees.
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.
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.
Portable fire extinguishers shall be conspicuously located along normal paths 117a travel nfa they are readily accessible. Removal Container or Cart 1. Flammable solvents or other flammable cleaning aids shall not be used. Additional extinguishers may be required based on travel distance for solid fueled equipment or multiple fryers with a 6 ft2 surface area or greater.
Where 22009 building fire alarm or monitoring system is installed, the automatic fire-extinguishing system s shall be monitored in accordance with NFPA Nozzle type, height, and orientation relative to placement of cooking appliances will also be verified during the inspection. Any significant deterioration or defect that might weaken the chamber or reduce its insulation capability shall be immediately repaired.
Hood exhaust 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 the design of the extinguishing system. 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.
Documents Flashcards Grammar checker. Filters and filtration devices installed in a hood shall be cleaned.
NFPA 17A: Standard for Wet Chemical Extinguishing Systems, Edition – Google Books
Ash Removal Process 1. Solid cooking appliances nrpa be inspected, cleaned, and maintained in accordance with the following per NFPA In lieu of the sprinkler system outlined in The flue or chimney shall be cleaned before these conditions exist.
Solid fuel shall be ignited with a match, an approved built-in gas flame, or other approved ignition source. A separate fire alarm plan nfoa not required.
notes for hood extinguishing systems
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.
A shut down of all electrical and gas cooking equipment shall also be demonstrated. All gas nfpw, electrically powered, and heat-producing equipment located under the hood shall shut down upon activation of the extinguishing system.