Fire hoses shall have a length of
at least 10 m
, but not more than: 15 m in machinery spaces; 20 m in other spaces and open decks; and. 25 m for open decks on ships with a maximum breadth in excess of 30 m.
How long is a fire hose on a truck?
The standard length is
50 ft (15.24 m)
. Supply and relay hoses are large-diameter, fabric-covered, flexible hoses used to bring water from a distant hydrant to the fire pumper, or to relay water from one pumper to another over a long distance.
The Navy uses nothing larger than regulation
234-inch
cotton rubberlined, double-jacketed hose with National Standard Thread couplings. In addition to fire hose aboard Navy ships, thousands of feet are employed by the Navy fire forces to protect Naval land installations.
What is the maximum length of a fire hose reel?
1.1. 1). Section 4.6. 2.1 of NFPA 14 restricts the maximum length of the included hose to
100 feet
.
How long is 3 inch fire hose?
Inside Diameter – 3′′ Inches. Lay Flat Width – About 5.5′′ Inches. Length –
25 Feet / 50 Feet / 75 Feet / 100 Feet
.
1 1/2′′ NPSH
(standard 1 1/2′′ Hose diameter) 1 3/4′′ NPSH (standard 1 3/4′′ Hose diameter) 2 1/2′′ NH/NST (standard 2 1/2′′ Hose diameter) 4′′ Navy 6 (standard 4′′ Hose diameter)
Where should a fire hose be placed?
—Hose connections and hose stations should be unobstructed and located not less than 3 feet (0.9 meter) or
more than 5 feet (1.5 m) above the floor measured from the floor to the center of the hose station valve
.
Why do you shake a fire extinguisher?
Some manufacturers recommend shaking or inverting and patting the bottom of your dry chemical extinguishers
once a month to prevent the powder from settling/packing
. Dry chemical fire extinguishers require regular professional maintenance at 6 and 12 year intervals.
How much does a 50 foot 3 fire hose weigh?
While it depends on the materials used to make the hose, the average weight of a hose of this diameter is 0.34 pounds per foot (or
about 20 pounds per 50 feet of length
). “Inch and three-quarter” attack lines are best used for smaller fires.
How much water do you put in a fire hose?
Each 1-1/2-inch ID x 100-foot hose length holds 9 gallons.
Each 1-inch ID × 100-foot hose length holds 4 gallons
. hose. The firefighters lost 130 gallons of water.
How many gallons of water is in a 100-foot hose?
The capacity of a 100-foot length of 1-inch diameter hose is
4 gallons
.
How do you tell the difference between fire hose sizes?
The general rule that most firefighters can remember is
small fire equals small water and big fire equals big water
. Small water refers to your basic 11⁄2- or 13⁄4-inch hoselines; the big water refers to the 21⁄2-inch hoseline. With a 11⁄2-inch nozzle, the average water delivery rate can be between 150 to 200 gpm.
What are the different sizes of fire hose?
Fire hoses come in a variety of diameters. Lightweight, single-jacket construction,
3⁄4, 1, and 11⁄2 inch diameter
hose lines are commonly used in wildfire suppression applications. Heavy duty double, double-jacket, 11⁄2, 13⁄4, 2, 21⁄2, and on occasion 3-inch lines are used for structural applications.
How far can a fire hose shoot water horizontally?
How high can the fire hose shoot? Depending on water pressure, between
75 to 100 feet straight up
. Firefighters on the ground rarely try to reach higher than 40 feet with hoses.
