Recent Calls
Fri. Jan 1st 2016
Vehicle Accident with Entrapment

Stations 24 and 26 were alerted at 5:12 A.M. January 1st to respond to the area of the Dairy Queen on State Route 88 in Union...

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Sat. Oct 3rd 2015
Structure Fire

Stations 24, 26, 14 and RIT 11 were alerted to respond to the area of Finleyville-Elrama Road and Pumpkin Center Road for a r...

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Tue. Aug 19th 2014
Vehicle Fire

22:05  Stations 26,46 and 48 were dispatched to Mingo Church rd in Nottingham for a vehicle on fire with exposure to &nb...

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News Headlines
Wed. Apr 25th 2012
Squad 26 6th and Final Production Update

The Squad is complete!!!  This week the committee is traveling to Wisconsin for its final inspection.  The truck lo...

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Mon. Apr 23rd 2012
Squad 26 Update #5

The committee will be heading to Wisconsin this week for final inspection of the Squad!  The truck will be on display at...

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Mon. Apr 16th 2012
Squad 26 Update #4

The cab upgrades are almost complete, the body is out of the paint booth and getting ready to be mounted.  The committee...

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Fire Glossary
Click a letter to view all entries that begin with that letter.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
29 entries the in Fire Glossary beginning with "D"
Dalmatian
Firehouse dog.
Dead lay
A load of hose on a pumper, but not connected to a pump outlet. Often used for larger supply lines.
Dead Man Zone
Unburnt areas around edges of brush fire.
Deck gun
A master stream device mounted to top deck of pumper.
Deflagration
An explosion with a propagation front traveling at subsonic speeds, as compared to supersonic detonation.
Deluge gun
A master stream device that can be positioned on the ground based on the need of the incident commander.
Deluge system
Type of sprinkler system in which sprinkler heads do not have individual valves, and the water (or other extinguishing agent) is disbursed from all sprinkler heads simultaneously when a central (or zoned) valve is triggered by a sensor (or manually). Typically reserved for industrial areas where rapid fire spread must be prevented at the cost of damaging non-burning materials.
Demob
Demobilization, or a crew being removed from working a fire.
Denver Door opener
Heavy pry bars connected with a hinge, one with an adjustable foot, used for prying open doors.
Denver tool (also called TNT tool)
A combination axe, sledgehammer, pry tool, ram, and D-handle pull tool used to gain forcible entry to buildings, automobiles, etc. during emergency situations.
Detection system
See Alarm system.
Detergent foam
See Aqueous Film Forming Foam.
Direct Attack
Any treatment applied directly to burning fuel such as wetting, smothering, or chemically quenching the fire or by physically separating the burning from unburned fuel.
Direct attack
Putting the wet stuff on the red stuff." A form of fire attack in which hoses are advanced to the fire inside a structure and hose streams directed at the burning materials.
Discharge flow
The amount of water flowing from a fire hydrant when it is opened; compare to static flow and residual flow.
Dispatch
Refers to person or place designated for handling a call for help by alerting the specific resources necessary.
Distributor pipe
Portion of fire hydrant or sprinkler system connecting main loops to smaller loops where outlets are located.
Double female
Firehose adapter for connecting two male" couplings together; may also adapt different sizes on either side.
Double male
Hose coupling adapter with two male-threaded connectors back-to-back; used for connecting two female couplings together.
Dozer line
Fireline constructed by the front blade of a bulldozer or any tracked vehicle with a front mounted blade used for exposing mineral soil. Also catline.
Draft
The process of pumping water from a static source below the pump.
Drafting
Using a suction pump to lift water from below the pump, using a semi-rigid suction hose, typically to fill a portable reservoir that has other suction pumps (to relay) or siphon hoses running downhill to their nozzles.
Drills
Training during which an emergency is simulated and the trainees go through the steps of responding as if it were a real emergency.
Drip torch
Hand-carried fire-starting device filled with flammable liquid that is poured across a flaming wick, dropping flaming liquid onto the fuels to be burned.
Dry chemical
A fire extinguishing agent. It works by breaking the chemical chain reaction in the fire tetrahedron".
Dry hydrant
A fire hydrant with a valve located at the bottom of the barrel, near the water main. The barrel of the hydrant remains dry until used. The prevents the hydrant from freezing in sub-zero temperatures. A dry hydrant is also an unpressurized pipe that can be used to draft water from a pond or lake.
Dry powders
Fire extinguishing agents for use on flammable metals. Each agent is typically designed for use on either a single metal or very similar metals.
Dry sprinkler
A sprinkler system having pressurized air (rather than water) in the distribution pipes until a heat-activated sprinkler head opens and releases the pressure, which opens a water valve (and possibly an accelerator valve) to flow water to the open head; used where the protected premises are not heated during freezing temperatures or where pressurized water in overhead sprinkler pipes could create another hazard.
Duff
Layer of decaying forest litter consisting of organics such as needles, leaves, plant and tree materials covering the mineral soil. Duff can smolder for days after a fire. Extinguishing smoldering duff is key to successful mopup operations.
29 entries the in Fire Glossary beginning with "D"
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Contact Information
Finleyville Volunteer Fire Department Inc.
3562 Washington Ave
Finleyville, PA 15332
Non-Emergency: 724-348-4220
Emergency: 911