Lines as large as 2.5 inches in diameter (also called the “deuce and a half”) can be used for heavy fire conditions. 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.
What is the purpose of a fire line?
Fireline Construction. In fire suppression, constructing a fireline cuts off the supply of fuels. The objective is to remove or to reduce the flammable materials that allow the fire to build up in intensity or continue to spread.
Why do firefighters dig a line?
Why we dig lines
We do that by digging line — essentially a trench several feet wide — around the perimeter of the fire. “We’re supposed to remove any fuel that could burn within the fireline,” Washington wildland firefighter Ryan Dahl explained during a training exercise earlier this year.
What is hose line?
A hose line is a preconfigured hose connection and consists of the hose and the connected fittings and valves.
What are the 7 sides of a fire?
Command must consider the seven sides (or sectors) of the fire: front, rear, both sides, top, bottom, and interior. Fires cannot be considered under control until all seven sides are addressed. Failure to address all seven sides will frequently result in fire extension.
Why do forest firefighters dig trenches?
Dig trenches, cut trees, and pump water onto burning areas. Patrol burned areas to watch for hot spots that could restart fires. … Control and extinguish fires using equipment, such as axes, water hoses, aerial ladders and hydraulic equipment.
How do we fight fires today?
In order to fight a fire, you must take out any one of the fire elements. The most common method is to use water to put out the fire. The water takes away heat by cooling the fire. Water also smothers the fire, taking away oxygen.