What is a progressive hose lay?
A hose lay in which double shutoff wye (Y) valves are inserted in the main line at intervals and lateral lines are run from the wyes to the fire edge, thus permitting continuous application of water during extension of the lay.
How often should a hose tee be placed in a progressive hose lay?
It is impractical to use less than 1 1/2-inch hose in a progressive hose lay. Wyes and tees should be placed in the line at regular intervals (usually every 300 feet), so that branch lines can be attached and used. These are called lateral or branch lines.
What is a Hoselay?
A hose lay or hose load is a preconfigured arrangement of fire hose that facilitates deployment under high-stress, high-danger situations. This allows the firefighter to pull the hose in the direction of the fire instead of having to make a turn.
What is a hose line in firefighting?
Hose. Hose is used to deliver water onto a fire and to provide water from hydrants to firefighting apparatus. The types of hose used include handlines, booster lines and large diameter hose. Hydrant.
What is one of the 10 standard wildland firefighting orders?
Ten Standard Fire Orders
- Keep informed on fire weather conditions and forecasts.
- Know what your fire is doing at all times.
- Base all actions on current and expected behavior of the fire.
- Identify escape routes and safety zones, and make them known.
- Post lookouts when there is possible danger.
- Be alert.
What is the most versatile fire fighting resource we have?
As primary firefighters, smokejumpers may travel to the fire by parachute, helicopter, vehicle, by foot, or whatever mode of transportation is most efficient. Smokejumpers are a versatile national resource and are commonly used in small teams and as 20-person Type 1 Fire crews.
How long is a Crosslay?
These lines are located directly below the pump panel. They lay out in the open and are light, so they are easy to get off the fire engine for attacking a fire. Crosslays are 200 feet (61 m) long, have a diameter of 1.5 inches and can gush water at 95 gallons (360 L) per minute.
What is a hose lay in firefighting?
Hose evolution or hoselay definition. A. Extending hose from the engine to the fire, exposure, or water source which allows. delivery of water safely and effectively with sound hydraulics and procedures. II.
What is a handline in firefighting?
Handline – is a firefighting hose that is operated and maneuvered by firefighters (usually a 1 ¾” in diameter). Knocked down – means the main body of the fire has been suppressed. Master stream – is a fixed firefighting stream that flows large quantities of water (500 to 2000 gpm).
How do you build a fireline?
In building fireline, all fuels are removed and the surface is scraped to mineral soil on a strip between 6 inches and 3 feet wide, depending upon the fuel and slope. It needs to be wide enough to prevent smoldering, burning, or spotting by embers blowing or rolling across the line.
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