S12 sprinkler test, S13 standpipe test,
Sprinklers segment 5, S-12 CITYWIDE
SPRINKLER SYSTEMS
fire department connection normally on exterior of building... FDNY can pump supplemental water into
the sprinkler system, standpipe, or other system furnishing water for fire extinguishment to supplement
existing water supplies.
system control valve valve controlling flow to water-based fire protection systems.
fire command center Designated room or area in a structure where the status of the fire detection,
alarm, and protection systems is displayed and the systems can be manually controlled.
Fire pump, automatic standpipe. A fire pump located at or below street level that supplies the lower 300
feet (91.4 m) of a standpipe system or a combined standpipe and sprinkler system.
tags on closed section valves serving affected areas: area affected, brief description, occupancy
classification, c of f number, estimated time until operational
Green tag no impairment found in entire system- main control valve
red tag place on main control valve if FULLY out of service... put sprinkler company name, date of
removal from service and anticipated time to operational
blue disk partially out of service- on all fire department connections
water storage tank Collects cooled water
,OS & Y valve indicating type of control valve used for fire sprinkler system
deluge valve water supply control valve intended to be operated by actuation of an automatic detection
system that is installed in the same area as the discharge devices. INTENDED USE IS MANUAL AND AUTO
deluge 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 IT OPENS, water flows into the piping system and
discharges from all sprinklers attached.
Early suppresion fast response sprinklers fast response sprinkler that is listed for its capability to provide
fire suppression of specific high challenge fire hazards
extra large orifice sprinklers = or > 1 inch less pressure to achieve a given discharge density
extended coverage sprinkler 400 max square feet discharge 20 foot by 20 foot spacing between
sprinklers
fire pump a provider of liquid flow and pressure dedicated to fire protection. A fire pump is a part of a
fire sprinklers system water supply and can be powered by electric, diesel or steam. connected to public
water source or tank. provides higher pressure to sprinkler system
Glass bulb sprinkler operated by heat breaking a glass bulb filled with a non freezing liquid with
diameters that vary form 3 mm for quick response to 5 mm for standard response
hose valve valve to additional hose connection
hydraulic placard sign attached to a hydraulically calculated sprinkler system indicating the design
density, required gallons per minute and pressure for the system to operate properly
hydraulically calculated systems method of sizing auto sprinkler piping using a prescribed amount of
water to be distributed over a specific area.
,impairment coordinator in charge of safety during out of service systems
intermediate level sprinkler sprinkler equipped with integral shields to protect the operating elemtn
form discharge from sprinklers installed at higher elevations
large orifice sprinkler sprinkler head with orifice size equal or greater than 3/4 and less than 1 inch
listed device A fire protection component that has been tested to perform under parameters specified
for its use by a nationally recognized testing agency. Underwriter's Laboratory (UL) and Factory Mutual
(FM) are the two most common.
Master Pressure Reducing Valve A pressure reducing valve installed to regulate pressures in an entire
fire protection system and/or standpipe system zone.
Main Drain The primary drain connection located on the system riser and also utilized as a flow test
connection.
Microbiologically Influenced Corrosion (MIC) Corrosion caused by the presence of microbes in the water
supply that over time attack the interior of metallic piping and cause leaks, pitting, and blockages.
Old-Style/Conventional Sprinkler A sprinkler that directs 40% to 60% of the water initially in a downward
direction and is designed to be installed with the deflector in either the upright or pendent position.
Pendent Sprinkler A sprinkler designed to be installed in such a way that the water stream is directed
downward against the deflector.
Pintle Screws A visual indicating device required for sprinklers manufactured prior to 1999 identifying
small orifice sprinklers and large orifice sprinklers where orifice size is different than the nominal thread
size of the sprinkler head.
Pipe Schedule Systems A method of sizing piping based upon the number of sprinkler heads and the
occupancy of the protected area.
, Preaction Sprinkler System A sprinkler system employing automatic sprinklers that are attached to a
piping system that contains air that may or may not be under pressure, with a supplemental detection
system installed in the same areas as the sprinklers.
Pressure Control Valve A pilot operated pressure reducing valve that may be used with a fire or booster
pump designed for the purpose of preventing the incoming water supply pressure from dropping below
a set pressure.
Pressure-Reducing Valve A valve designed for the purpose of reducing the downstream water pressure
under both flowing (residual) and nonflowing (static) conditions.
Pressure Relief Valve A valve designed for the purpose of releasing excess air or water pressure from the
Fire Protection Piping System.
Pressure Tank A tank using air pressure to supplying water for water-based fire protection systems. Tank
contents to be maintained at one third air to two thirds water.
Quick Response Sprinkler Head A sprinkler having a fusible link with a response time index (RTI) of 50 or
less.
Recessed Sprinkler A sprinkler in which all or part of the body, other than the shank thread, is mounted
above the ceiling.
Residential Sprinkler A type of fast response sprinkler that has been specifically tested to enhance
survivability in the room of fire origin and listed for use in dwelling units.
Response Time Index (RTI) A measurement of the thermal sensitivity of a sprinkler head expressed in
(meters-seconds) 1/2.
Supervisory signal A signal indicating the need for action or the use of such device in connection with the
supervision of fire alarm systems or the maintenance features of related systems.
Small orifice sprinklers A sprinkler head with and orifice size smaller than 1⁄2"
Sprinklers segment 5, S-12 CITYWIDE
SPRINKLER SYSTEMS
fire department connection normally on exterior of building... FDNY can pump supplemental water into
the sprinkler system, standpipe, or other system furnishing water for fire extinguishment to supplement
existing water supplies.
system control valve valve controlling flow to water-based fire protection systems.
fire command center Designated room or area in a structure where the status of the fire detection,
alarm, and protection systems is displayed and the systems can be manually controlled.
Fire pump, automatic standpipe. A fire pump located at or below street level that supplies the lower 300
feet (91.4 m) of a standpipe system or a combined standpipe and sprinkler system.
tags on closed section valves serving affected areas: area affected, brief description, occupancy
classification, c of f number, estimated time until operational
Green tag no impairment found in entire system- main control valve
red tag place on main control valve if FULLY out of service... put sprinkler company name, date of
removal from service and anticipated time to operational
blue disk partially out of service- on all fire department connections
water storage tank Collects cooled water
,OS & Y valve indicating type of control valve used for fire sprinkler system
deluge valve water supply control valve intended to be operated by actuation of an automatic detection
system that is installed in the same area as the discharge devices. INTENDED USE IS MANUAL AND AUTO
deluge 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 IT OPENS, water flows into the piping system and
discharges from all sprinklers attached.
Early suppresion fast response sprinklers fast response sprinkler that is listed for its capability to provide
fire suppression of specific high challenge fire hazards
extra large orifice sprinklers = or > 1 inch less pressure to achieve a given discharge density
extended coverage sprinkler 400 max square feet discharge 20 foot by 20 foot spacing between
sprinklers
fire pump a provider of liquid flow and pressure dedicated to fire protection. A fire pump is a part of a
fire sprinklers system water supply and can be powered by electric, diesel or steam. connected to public
water source or tank. provides higher pressure to sprinkler system
Glass bulb sprinkler operated by heat breaking a glass bulb filled with a non freezing liquid with
diameters that vary form 3 mm for quick response to 5 mm for standard response
hose valve valve to additional hose connection
hydraulic placard sign attached to a hydraulically calculated sprinkler system indicating the design
density, required gallons per minute and pressure for the system to operate properly
hydraulically calculated systems method of sizing auto sprinkler piping using a prescribed amount of
water to be distributed over a specific area.
,impairment coordinator in charge of safety during out of service systems
intermediate level sprinkler sprinkler equipped with integral shields to protect the operating elemtn
form discharge from sprinklers installed at higher elevations
large orifice sprinkler sprinkler head with orifice size equal or greater than 3/4 and less than 1 inch
listed device A fire protection component that has been tested to perform under parameters specified
for its use by a nationally recognized testing agency. Underwriter's Laboratory (UL) and Factory Mutual
(FM) are the two most common.
Master Pressure Reducing Valve A pressure reducing valve installed to regulate pressures in an entire
fire protection system and/or standpipe system zone.
Main Drain The primary drain connection located on the system riser and also utilized as a flow test
connection.
Microbiologically Influenced Corrosion (MIC) Corrosion caused by the presence of microbes in the water
supply that over time attack the interior of metallic piping and cause leaks, pitting, and blockages.
Old-Style/Conventional Sprinkler A sprinkler that directs 40% to 60% of the water initially in a downward
direction and is designed to be installed with the deflector in either the upright or pendent position.
Pendent Sprinkler A sprinkler designed to be installed in such a way that the water stream is directed
downward against the deflector.
Pintle Screws A visual indicating device required for sprinklers manufactured prior to 1999 identifying
small orifice sprinklers and large orifice sprinklers where orifice size is different than the nominal thread
size of the sprinkler head.
Pipe Schedule Systems A method of sizing piping based upon the number of sprinkler heads and the
occupancy of the protected area.
, Preaction Sprinkler System A sprinkler system employing automatic sprinklers that are attached to a
piping system that contains air that may or may not be under pressure, with a supplemental detection
system installed in the same areas as the sprinklers.
Pressure Control Valve A pilot operated pressure reducing valve that may be used with a fire or booster
pump designed for the purpose of preventing the incoming water supply pressure from dropping below
a set pressure.
Pressure-Reducing Valve A valve designed for the purpose of reducing the downstream water pressure
under both flowing (residual) and nonflowing (static) conditions.
Pressure Relief Valve A valve designed for the purpose of releasing excess air or water pressure from the
Fire Protection Piping System.
Pressure Tank A tank using air pressure to supplying water for water-based fire protection systems. Tank
contents to be maintained at one third air to two thirds water.
Quick Response Sprinkler Head A sprinkler having a fusible link with a response time index (RTI) of 50 or
less.
Recessed Sprinkler A sprinkler in which all or part of the body, other than the shank thread, is mounted
above the ceiling.
Residential Sprinkler A type of fast response sprinkler that has been specifically tested to enhance
survivability in the room of fire origin and listed for use in dwelling units.
Response Time Index (RTI) A measurement of the thermal sensitivity of a sprinkler head expressed in
(meters-seconds) 1/2.
Supervisory signal A signal indicating the need for action or the use of such device in connection with the
supervision of fire alarm systems or the maintenance features of related systems.
Small orifice sprinklers A sprinkler head with and orifice size smaller than 1⁄2"
