fire department connection - ANSWERSnormally 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 - ANSWERSvalve controlling flow to w...
fire department connection - ANSWERSnormally 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 - ANSWERSvalve controlling flow to water-based fire protection systems.
fire command center - ANSWERSDesignated 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. - ANSWERSA 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 - ANSWERSon closed section valves serving affected areas: area affected, brief description,
occupancy classification, c of f number, estimated time until operational
Green tag - ANSWERSno impairment found in entire system- main control valve
red tag - ANSWERSplace 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 - ANSWERSpartially out of service- on all fire department connections
water storage tank - ANSWERSCollects cooled water
OS & Y valve - ANSWERSindicating type of control valve used for fire sprinkler system
,deluge valve - ANSWERSwater 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 - ANSWERSemploying 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.
fire pump - ANSWERSa 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 - ANSWERSoperated 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 - ANSWERSvalve to additional hose connection
hydraulic placard - ANSWERSsign 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 - ANSWERSmethod of sizing auto sprinkler piping using a prescribed
amount of water to be distributed over a specific area.
impairment coordinator - ANSWERSin charge of safety during out of service systems
intermediate level sprinkler - ANSWERSsprinkler equipped with integral shields to protect the operating
elemtn form discharge from sprinklers installed at higher elevations
large orifice sprinkler - ANSWERSsprinkler head with orifice size equal or greater than 3/4 and less than 1
inch
,listed device - ANSWERSA 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.
Early suppresion fast response sprinklers - ANSWERSfast response sprinkler that is listed for its capability
to provide fire suppression of specific high challenge fire hazards
extra large orifice sprinklers - ANSWERS= or > 1 inch less pressure to achieve a given discharge density
extended coverage sprinkler - ANSWERS400 max square feet discharge 20 foot by 20 foot spacing
between sprinklers
Master Pressure Reducing Valve - ANSWERSA pressure reducing valve installed to regulate pressures in
an entire fire protection system and/or standpipe system zone.
Main Drain - ANSWERSThe primary drain connection located on the system riser and also utilized as a
flow test connection.
Microbiologically Influenced Corrosion (MIC) - ANSWERSCorrosion 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.
Pintle Screws - ANSWERSA 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 - ANSWERSA method of sizing piping based upon the number of sprinkler heads
and the occupancy of the protected area.
Preaction Sprinkler System - ANSWERSA 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 - ANSWERSA 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 - ANSWERSA valve designed for the purpose of reducing the downstream water
pressure under both flowing (residual) and nonflowing (static) conditions.
Old-Style/Conventional Sprinkler - ANSWERSA 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 - ANSWERSA sprinkler designed to be installed in such a way that the water stream is
directed downward against the deflector.
Pressure Relief Valve - ANSWERSA valve designed for the purpose of releasing excess air or water
pressure from the Fire Protection Piping System.
Pressure Tank - ANSWERSA 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 - ANSWERSA sprinkler having a fusible link with a response time index
(RTI) of 50 or less.
Recessed Sprinkler - ANSWERSA sprinkler in which all or part of the body, other than the shank thread, is
mounted above the ceiling.
Residential Sprinkler - ANSWERSA 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) - ANSWERSA measurement of the thermal sensitivity of a sprinkler head
expressed in (meters-seconds) 1/2.
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