Fire glossary
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20 entries in the Fire glossary beginning with "W"
Wall-indicator valve
Type of control valve for sprinkler systems which is mounted to an outside wall and indicates open" or "shut" in an indicator window on the valve body.
Watch out situations
A list of 18 situations for firefighters to be aware of, which signal potential hazards on the fire line.
Water curtain nozzle
A nozzle designed to throw a fan of water droplets to form a curtain" in an attempt to reduce radiated heat from igniting a nearby exposure.
Water drop
A forest fire fighting technique when an aircraft drops a supply of water onto an exposed fire from above.
Water flow alarm
An audible alarm indicating that one or more sprinkler heads have been activated.
Water hammer
Large, damaging shock wave in a water supply system caused by shutting a valve quickly, or by permitting a vehicle to drive across an unprotected fire hose.
Water mist fire suppression
A sprinkler-like system that uses a very fine mist featuring much lower water flow than conventional sprinklers to suppress, rather than extinguish, a fire[1].
Water tender
Any ground vehicle capable of transporting specified quantities of water.
Water thief (valve)
Type of gated wye having one or more outlets smaller than the largest outlet.
Wedges
Wooden blocks for temporary shut-off of activated sprinkler heads or holding doors open during firefighting or rescue operations.
Wet line
Temporary control line using water or other fire retardant liquid to prevent a low-intensity fire from spreading in surface fuels.
Wet pipe sprinkler system
Sprinkler system containing pressurized water rather than air, such that water will flow immediately upon release of a heat-sensitive head.
Wet water
Water into which a surface tension reducing agent has been introduced. The resultant mixture, with its reduced surface tension, is more able to penetrate burning product more deeply and extinguish deep seated fire.
Wildfire
A fire occurring on wildland that is not meeting management objectives and thus requires a suppression response.
Wildfire or Wildland fire
Fire in forests, grasslands, prairies, or other natural areas, not involving structure fires (although wildland fires may threaten structures or vice versa - see interface zone.) For a complete list of terms used in wildland fire, see Glossary of wildland fire terms.
Wildland
An area in which development is essentially nonexistent, except for roads, railroads, power lines, and similar transportation facilities. Structures, if any, are widely scattered.
Windfall
Tree knocked over or broken off by wind, increases fuel loading and hampers building fireline. Also sometimes called blowdown.
Working fire
A fire that is in the process of being suppressed; often a cue for dispatch of additional resources.
Wye
Device used to split a larger supply line hose into smaller attack line hoses. A gated wye contains valves so that certain lines can be turned on and off.
Wye
Hose coupling for splitting one line into two or more outlets, often a larger line split into two smaller ones; often a gated wye having separate valves for each outlet. Not to be confused with Siamese, which is used to bring two smaller lines together into one.
20 entries in the Fire glossary beginning with "W"
Fire danger index
Low
Under these conditions, fuels do not readily ignite.
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2022 OFFICERS STATION 21
  • Hempfield Township Fire Command Staff:

  • Township Fire Chief         Anthony Kovacic
  •  
  • Township Deputy Chief   John Storey JR.
  •  
  • Fire Inspection/Codes     Sean Harn
  •  
  • Zone Assistant Chiefs are Volunteer positions  
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  • Zone 1 - Assistant Chief Jay Wilkinson
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  •  North Hempfield FD
  •  Bovard VFC
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  • Zone 2 - Assistant Chief Donald Thoma
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  •  Carbon VFD
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  •  Midway St. Clair VFD
  • West Point VFD
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  • Zone 3 -Assistant Chief Daniel Thoma
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  • RELIEF ASSOCIATION OFFICERS
    • President     David Ciarkowski

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31 day's of October 2021

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Month of October 1st thru 31st, 2021

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Carbon Fire Department
Westmoreland County Station 23
Export Fire Dept.
Westmoreland County Station 22
Whitney Hosteter VFD
Westmoreland County Station 73
12 month running total
GRAPEVILLE
216
HIGH PARK
62
NORTH HEMPFIELD
118
OTHER DEPTS
78
Total
474
Units from 21 and 65 responded to College Ave and Chesterfield Drive for a single vehicle accident into the guardrail. Captain 21 was on scene first, called in accident, and assumed command while ass...
Friday, November 29th, 2013
At 20:58 hours, Grapeville Rescue 21 responded along with Rescue 65 North Hempfield and Rescue 112 Jeannette. Chief 21 arrived on scene and accessed the scene confirming vehicle approximate 80 feet o...
Wednesday, June 26th, 2013
Grapeville VFC responded to Mt Thor Road to checkout a tree on wires in area of 415 Mt Thor Road, i was a tree on cable line cable notified of situation
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