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49 Cards in this Set
- Front
- Back
Authority Having Jurisdiction (AHJ)
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The organization, office, or individual responsible for approving:
- Equipment, materials, an installation, or a procedure (May be the state, county, or city – the people who are in charge) |
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Listed
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Equipment, materials, or services included in a list published by an organization that
- is acceptable to the authority having jurisdiction and - is concerned with evaluation of products or services - maintains periodic inspection of production of listed o equipment o materials, or o periodic evaluation of services and whose listing states that either the equipment, material, or service - meets appropriate designated standards, or - has been tested and found suitable for a specified purpose |
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Shall
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Indicates mandatory requirement
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Should
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Indicates a recommendation or that which is advised but not required
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Automatic Sprinkler
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A fire suppression or control device
- that operates automatically when its heat-activated element is heated to its thermal rating or above - allowing water to discharge over a specified area (Everything is mechanically driven in the fire sprinkler world) |
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Bathroom
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Within a dwelling unit, any room or compartment
- a lavatory dedicated to personal hygiene, or - a water closet, or - bathing capability such as a shower or tub, or - any combination of facilities thereof |
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Compartment
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A space completely enclosed by walls and a ceiling.
The compartment enclosure is permitted to have openings to an adjoining space if - the openings have a minimum lintel depth of 8 in from the ceiling (If it didn’t have a lintel, it wouldn’t be a compartment, it’d be part of the larger compartment that it is attached to – we care about lintels because of heat flow and water deflection) |
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Dwelling Unit
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One or more rooms arranged for the use of one or more individuals living together
- as in a single housekeeping unit normally having facilities of o cooking o living o sanitary, and o sleeping For the purposes of this standard, dwelling unit includes - hotel rooms - dormitory rooms - apartments - condominiums - sleeping rooms in nursing homes - and similar living units |
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3.3.12 High-Piled Storage
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- solid-piled
- palletized - rack storage - bin box, and - self storage - in excess of 12 ft in height |
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Hydraulically Designed System
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A calculated sprinkler system in which
- pipe sizes are selected on a pressure loss basis o to provide a prescribed water density in gallons per minute per ft² - or a prescribed minimum discharge pressure or flow sprinkler o distributed w/ a reasonable degree of uniformity over a specified area (Almost everything today is hydraulically designed) |
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Limited-Combustible Material
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A building contruction material that
- does not comply with the definition of non-combustible materials that, o in the form in which it is used, o as a potential heat value not exceeding 3500 Btu per lb o see NFPA 359, Standard Test Method for Potential Heat of Building Materials - and complies with either of the following: o (a) Materials having a structural base of § noncombustible material, § with a surfacing not exceeding a thickness of 1/8 in § that has a flame spread rating not greater than 50 o (b) Materials, in the form and thickness used, other than as described in (a), having neither § a flame spread rating grater than 25 § nor evidence of continued progressive combustion and § of such composition that surfaces that would be exposed by cutting through the material on any plane would have neither · a flame spread rating greater than 25 · nor evidence of continued progressive combustion - Materials subject to increase in combustibility or flame spread rating beyond the limits herein o shall be considered combustible, o established through the effects of § age, § moisture, or § other atmospheric conditions |
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Noncombustible Material
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A material that, in the form in which it is used and under the conditions anticipated, will not, when subjected to fire or heat
- ignite, burn, support combustion, or release flammable vapors Materials that are reported as passing ASTM E 136, Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750°C, shall be considered noncombustible materials. |
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Pipe Schedule System
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A sprinkler system in which
- the pipe sizing is selected from a schedule that is determined by the occupancy classification - and in which a given number of sprinklers are allowed to be supplied from specific sizes of pipe (Based on the number of heads) |
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Small Rooms
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Very Important!
A room of light hazard occupancy classification - having unobstructed construction (smooth ceiling) and - floor areas not exceeding 800 ft² - that are enclosed by walls and a ceiling Openings to the adjoining space are permitted - if the minimum lintel depth is 8 in from the ceiling. |
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Antifreeze Sprinkler System
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A wet pipe sprinkler system employing automatic sprinklers that
- are attached to a piping system - that contains an antifreeze solution and - that are connected to a water supply The antifreeze solution is discharged, followed by water, immediately upon operation of sprinklers opened by heat from a fire |
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Deluge Sprinkler System
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A sprinkler system employing open sprinklers
- that are attached to a piping system - that is connected to a water supply through a valve - that is opened by the operation of a detection system installed in the same areas as the sprinklers When this valve opens, - water flows into the piping system - and discharges from all sprinklers attached thereto (Where all of the sprinklers are open, so when water enters the pipes, all of the sprinklers go off at once; water is held back by valves that go off with different types of sensors, including a spark setting off a sensor, or heat detectors or smoke detectors; used in aircraft hangars) |
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Dry Pipe Sprinkler System
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A sprinkler system employing automatic sprinklers
- that are attached to a piping system containing air or nitrogen under pressure o the release of which (as from the opening of a sprinkler) permits the water pressure to open a valve known as a dry pipe valve - and the water then flows into the piping system and out the opened sprinklers (For freezing cold areas, such as a building that is not heated or outdoors sprinklers) |
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Gridded Sprinkler System
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A sprinkler system in which
- parallel cross-mains are connected by multiple branch lines An operating sprinkler - will receive water from both ends of its branch line - while other branch lines help transfer water between cross-mains (Lots of lines next to each other and mains at both ends) |
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Looped Sprinkler System
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A sprinkler system in which
- multiple cross-mains are tied together so as to provide more than one path for water to flow to an operating sprinkler, and - branch lines are not tied together |
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Preaction Sprinkler System
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A sprinkler system employing automatic sprinklers
- that are attached to a piping system - that contains air that might or might not be under pressure - with a supplemental detection system installed in the same areas as the sprinklers (A system that preactivates by sensing a fire and then sends water to the head before the head activates; like a dry pipe system, it has no water in it) |
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Deluge Sprinkler System
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A sprinkler system employing open sprinklers
- that are attached to a piping system - that is connected to a water supply through a valve - that is opened by the operation of a detection system installed in the same areas as the sprinklers When this valve opens, - water flows into the piping system - and discharges from all sprinklers attached thereto (Where all of the sprinklers are open, so when water enters the pipes, all of the sprinklers go off at once; water is held back by valves that go off with different types of sensors, including a spark setting off a sensor, or heat detectors or smoke detectors; used in aircraft hangars) |
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Dry Pipe Sprinkler System
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A sprinkler system employing automatic sprinklers
- that are attached to a piping system containing air or nitrogen under pressure o the release of which (as from the opening of a sprinkler) permits the water pressure to open a valve known as a dry pipe valve - and the water then flows into the piping system and out the opened sprinklers (For freezing cold areas, such as a building that is not heated or outdoors sprinklers) |
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Gridded Sprinkler System
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A sprinkler system in which
- parallel cross-mains are connected by multiple branch lines An operating sprinkler - will receive water from both ends of its branch line - while other branch lines help transfer water between cross-mains (Lots of lines next to each other and mains at both ends) |
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Looped Sprinkler System
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A sprinkler system in which
- multiple cross-mains are tied together so as to provide more than one path for water to flow to an operating sprinkler, and - branch lines are not tied together |
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Preaction Sprinkler System
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A sprinkler system employing automatic sprinklers
- that are attached to a piping system - that contains air that might or might not be under pressure - with a supplemental detection system installed in the same areas as the sprinklers (A system that preactivates by sensing a fire and then sends water to the head before the head activates; like a dry pipe system, it has no water in it) |
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Wet Pipe Sprinkler System
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A sprinkler system employing automatic sprinklers
- attached to a piping system - containing water and - connected to a water supply so that - water discharges immediately from sprinklers opened by heat from a fire (Most common by far) |
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Branch Lines
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The pipes in which the sprinklers are placed, either directly or through risers
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Cross Mains
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The pipes supplying the branch lines, either directly or through risers
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Feed Mains
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The pipes supplying cross mains, either directly or through risers
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Flexible Listed Pipe Coupling
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A listed coupling or fitting that allows
- axial displacement - rotation, and - at least 1 degree of angular movement of the pipe without inducing harm on the pipe For pipe diameters of 8 in. and larger, the angular movement - shall be permitted to be less than 1 degree - but not less than 0.5 degree |
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Risers
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The vertical supply pipes in a sprinkler system
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Early Suppression Fast-Response (ESFR) Sprinkler
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A type of fast-response sprinkler
- that meets the criteria of 3.6.1(a)(1) and - is listed for its capability to provide fire suppression of specific high-challenge fire hazards. (Very common sprinkler in warehouses, puts out a lot of water, is very costly) |
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Extended Coverage Sprinkler
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A type of spray sprinkler with maximum coverage areas as specified in Sections 8.8 and 8.9 of this standard
(Takes more pressure) |
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Quick-Response Early Suppression (QRES) Sprinkler
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A type of quick-response sprinkler that
- meets the criteria of 3.6.1(a)(1) and - complies with the extended protection areas defined in Chapter 8 |
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Quick-Response Extended Coverage Sprinkler
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A type of quick-response sprinkler that
- meets the criteria of 3.6.1(a)(1) and - complies with the extended protection areas defined in Chapter 8 |
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Quick-Response (QR) Sprinkler
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A type of spray sprinkler that
- meets the criteria of 3.6.1(a)(1) and - is listed as a quick-response sprinkler for its intended use (Every light hazard room must have QR sprinklers) |
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Residential Sprinkler
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A type of fast-response sprinkler that
- meets the criteria of 3.6.1(a)(1) - has been specifically investigated for its ability to enhance survivability in the room of fire origin and - is listed for use in the protection of dwelling units (Has a different spray pattern than other sprinkler heads) |
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Standard Spray Sprinkler
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A spray sprinkler with maximum coverage areas as specified in Sections 8.6 and 8.7 of this standard
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Concealed Sprinkler
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A recessed sprinkler with cover plates
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Flush Sprinkler
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A sprinkler in which all or part of the body, including the shank thread, is mounted above the lower plane of the ceiling
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Pendent Sprinkler
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A sprinkler designed to be installed in such a way that the water stream is directed downward against the deflector
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Recessed Sprinkler
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A sprinkler in which all or part of the body, other than the shank thread, is mounted within a recessed housing
(Recessed are always pendent) |
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Sidewall Sprinkler
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A sprinkler having special deflectors that
- are designed to discharge most of the water away from the nearby wall - in a pattern resembling one-quarter of a sphere, - with a small portion of the discharge directed at the wall behind the sprinkler |
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Upright Sprinklers
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A sprinkler designed to be installed in such a way that the water spray is directed upwards against the deflector.
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Dry Sprinkler
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A sprinkler secured in an extension nipple that has a seal at the inlet end to prevent water from entering the nipple until the sprinkler operates
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Obstructed Construction
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Panel construction and other construction where beams, trusses, or other members
- impede heat flow or water distribution in a manner - that materially affects the ability of sprinklers to control or suppress a fire |
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Unobstructed Construction
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Construction where beams, trusses, or other members do not impede heat flow or water distribution in a manner that that materially affects the ability of sprinklers to control or suppress a fire.
Unobstructed construction - has horizontal structural members o that are not solid o where the openings are at least 70% of the cross-section area, and o the depth of the member does not exceed the least dimension of the openings or all construction types where the spacing of structural members exceeds 7.5 ft on center |
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Encapsulation
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A method of packaging
- consisting of a plastic sheet completely enclosing the sides and top of a pallet load containing o a combustible commodity or o a combustible package or o a group of combustible commodities or o a group of combustible packages Combustible commodities also are to be considered encapsulated that are - individually wrapped in plastic sheeting and - stored exposed in a pallet load Not covered under this definition are - Totally noncombustible commodities - on wood pallets - enclosed only by a plastic sheet as described - Branding (i.e., stretch-wrapping around the sides only of a pallet load) The term encapsulated does not apply - where there are holes or voids in the plastic or waterproof cover on the top of the carton that exceed more than half of the area of the cover - to plastic-enclosed products or packages inside a large, nonplastic, enclosed container |
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Supervision
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A visual and audible alarm signal
- given at the central safety station - to indicate when the system is in operation - or when a condition that would impair the satisfactory operation of the system exists Supervisory alarms shall give a distinct indication for each individual system component that is monitored. |