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96-4 VENTILATION CONTROL AND FIRE PROTECIION OF COMMERCIAL COOKING OPERATIONS
<br /> NFPA 96 Authority Having Jurisdiction.* The organization, office,
<br /> Standard for or individual responsible for approving equipment, aninstalla-
<br /> tion, or a procedure.
<br /> Ventilation Controland Fife Protection ofAutomatic. operating by its own mechanism when actu-
<br /> Commercial Cooldng Operations ated by some impersonal influence; such as a change in
<br /> current, strength , pressure, temperature , or mechanical con-
<br /> 1998 )edition figuration.
<br /> NOTICEBaffle Plate. An object placed in or near an appliance to
<br /> An asterisk (*) following the number or letter des change the direction , or to retard the flow, of air, air—fuel
<br /> ignating a paragraph indicates that explanatory material on mixtures, or flue gases.
<br /> the paragraph can be found in Appendix A. m
<br /> Information on referenced publications can be found in I Clas9ified. See Listed.
<br /> Chapter 12 and Appendix B,
<br /> Clearly Identified. Capable of being recognized by a per-
<br /> son of normalvision without causing uncertainty and indeci-
<br /> Chapter 1 General siveness about the location or operating process of the
<br /> identified item.
<br /> -l * Scope, Closed Combustible Construction:$ Combustible build-
<br /> 1-1 . 1 This edition of NFPA 96 protudes the minimum fire ing construction including walls, structural framing, roofs,
<br /> safety requirements (preventative and operative) related to roof ceilings, floors, and floor ceiling assemblies continuously
<br /> die design, installation, opertition, inspection, and mainte- enclosing a grease duct on four sides where one or more sides
<br /> nance of all .public and private cooking operations except for require protection per 1-3 .2.
<br /> single-family residential usages These requirements include, Combustible Material. Materiat subject to an increase in
<br /> but are not limited to, all manner of cooking equipment, combustibility or flame spread rating beyond die limits estab
<br /> exhaust hoods, grease removal devices, exhaust ductwork, ex lished in the definition of Limited-Combustible.
<br /> haust fans, dampers; fire-extinguishing equipment, and all
<br /> other auxiliary or ancillary components or systems that are Concealed Spaces, That portion (s) of a building behind
<br /> involved in tine capture, containment, and control of grease- walls, over suspended ceilings, in pipe chases, attics, and
<br /> laden cooking effluent. elsewhere whose size might lnormally range from l'-Win.
<br /> 2 .1 .2 The provisions of this standard` areconsidered Hetes (44.45-mm) stud spaces to 8-ft (Z44-m) interstitial truss spaces
<br /> sary to providea reasonable level of protection from. loss and that might contain combustible such as building
<br /> P structural members, thermal and/or electrical insulation, and
<br /> of life and property from fire ,and explosion. They, .reflect ducting. Such spaces have sometimes been used as M7AC
<br /> conditions and the state of the art prevalent at the time the plenum chambers,
<br /> standard was issued. This standard is intended to be applied
<br /> as a united wboie. It cannot provide safe design and operation Continuous Enclosure. A recognized architectural or me-
<br /> if parts of it are not enforced o are arbitratrily deleted in any chanicai component of a building having a fire resistance
<br /> applications. The authority havi: ig jurisdiction shall determine dating as required for the structure and whose purpose is
<br /> compliance with this standard a{nd authorize equivalent devia- to enclose the vapor removal duct For its full length. to its
<br /> tions from it in all applicationa. termination point outside the structure without any portion
<br /> t-2 Def"rnitions, of the enclosure having a fire resistance rating less than the
<br /> required value.
<br /> IAccess Panel. cl closure device used to cover an opening Continuous Weld.* A metal joining method that produces
<br /> into a duct, an enclosure, equipment, or an appurtenance. a product without visible interruption or variation in aali
<br /> Air Intakes. An opening in ' a building!,s envelope whose For the purpose of the definition , it specifically includes the
<br /> purpose is to allow outside air to be drawn into the structure exhaust compartment of hoods and welded joints of exhaust
<br /> to replace inside air that is removed b.y exhaust systems or to ducts, yet specifically does not include filter support: frames
<br /> improve the quality of the inside air by providing a source of or appendages ' inside hoods.
<br /> air having a lower concentration of odors, suspended particles, Dampen p valve or plate widrin . a duct or ,its terminalor heating content com
<br />ponents for controlling draft or the flow of gases, includ,
<br /> Air Pollution Controt Devices. Equipmentt, and devices ing air,
<br /> used g air for the purpose of cleaning passing through them
<br /> or by them in such a manner as to reduce or remove the Detection Devices. Electrical, pneumatic, thermal, me
<br /> I
<br /> contained therein. Chanlcal, or optical sensing instruments; or subcomponents
<br /> of such instruments, whose purpose is to cause an automatics'
<br /> Appliance Flue Outlet, The opening or openings in a action upon the occurrence of some preselected event In the
<br /> cooking device where vapors, combustion gases, or both leave context of this document, the event in question could be
<br /> the cooking device. There might or might. not be ductwork excessive temperature or flame, and the action could be the
<br /> attached to this opening, operation of a fire-extinguishing system.
<br /> Approved: * Acceptable to the authority having jurisdic- Dips: Depression or cuplike placesin horizontal duct runs
<br /> tion. in which liquids could' accumulate .
<br /> Appurtenance. An accessory' or a subordinate part that Discharge. The final portion of a duct or pipe where the
<br /> enables the primary device to perform or improve its intended product being conveyed is emptied or released from confine- �..w
<br /> function, ment; the termination point of die pipe or duct.
<br /> 1998 Edition Page 3 of 3
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