Chapter 10 . Fire Hose and Appliances. Introduction. Hose used to move water to fire Fire hose is a flexible conduit Today, many materials are used to make hose Couplings, adapters, and appliances used to connect hose Most departments use National Standard Hose Threads.
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Fire Hose and Appliances
Straight or Storage Hose Roll
B Once the roll is finished, it is ready to be moved to storage.
A Start with the hose flat on the ground. From the male end, to protect the threads, roll it straight to the opposite end.
C The roll is started toward the couplings at the same time.
D At the end, the roll may be tied together for carrying.
E The twin donut can be secured by using the hose itself. This is called a self-locking roll. To accomplish this, extend the amount of hose that is used for the starting fold and loop. Allow this excessive hose to “flop” as the twin donuts are rolled. When finished, use the extra hose at the center to form a bight around the two end couplings. (Photo courtesy Loveland Fire and Rescue)
Drain and Carry
A The firefighter starts at one end of the hose and with the coupling held waist height feeds the hose over the shoulder and back down to the waist.
B A fold is created and the hose is laid on itself back to the front.
C The firefighter continues to walk forward folding and refolding the hose at the waist until finished. The hose can then be carried to the new location.
C Continue as each section is picked up and carried forward.
B Walk forward about 3 feet (1 m), pick up the hose, and form a bight to bring the hose back up and over the shoulder, creating a loop.
A Place the nozzle or end of hose over the shoulder resting against the back.
E Return the hose to the opposite shoulder moving forward in the new direction.
D If you need to move in the opposite direction, the loops are collected and raised with your hands and then rotated to the opposite direction.
A Put the end of a section of hose over your shoulder with the coupling in front at waist height and walk away dragging the line.
B Place a line over each shoulder and pull two lines.
C If additional sections are needed, additional firefighters can do the same with the following sections until the desired amount of hose is stretched.
Figure 10-14 A dutchman is a short fold of hose or a reverse fold that is used when loading hose and a coupling comes at a point where a fold should take place or when two couplings end up on top of each other. The dutchman moves the coupling to another point in the load.
Figure 10-15 A straight finish load simply involves taking the final length or two of a load and laying it flat across the top of the load. A rope with adapters, a spanner wrench, and a hydrant wrench attached allows the layout person quick access to all the necessary tools and enough hose to make the hydrant connection.
Figure 10-16 A reverse horseshoe load for laying out is made on top of the hose load but in the reverse direction (front to back), and at the center point of the “U” of the horseshoe the rope with adapters and wrenches is attached. The first portion of the hose may need a twist in it to get it to change direction.
Figure 10-17 Preconnected combination loads include horseshoe, accordion, accordion layers or alternating horseshoe and accordion layers. (A) Horseshoe, accordion, accordion layers. (B) Alternating horseshoe and accordion layers.
C Step away to pull the hose out of the bed.
A Place the nozzle on the hose and select the desired amount of hose to deploy.
B Pull the hose and place it on your shoulder.
A Start the flat load at the discharge with the hose laid. At a point from one-third to one-half the length of the line, an ear or row of ears should be added to assist in pulling the line.
B To advance the line, grab the nozzle and place it over the shoulder with the other hand reaching around and pulling the ear.
C Walk away, pulling the line behind.
A Lift up the nozzle and layers above it while pulling them out and placing them midway on the shoulder.
B Step away to remove the remainder of the top layers.
C Turn around and pull the ear to remove the remaining hose.
D When the bottom sections are fully stretched out, allow the shoulder load to flake out toward the fire.
A Grab the layer with the nozzle and place it on the shoulder.
B Pull the layers out of the slot, or another firefighter can grab the next layer.
C Stretch the hose to the fire.
Figure 10-32 After connecting the hose at the outlet and the discharge outlet of the pump, the line is charged to the proper pressure. The driver then returns to the outlet and opens the valve.
Figure 10-36 Firefighters passing a charged hoseline up a ladder from one firefighter to the next until it reaches the opening.
Figure 10-38 The layout person pulls the layout section and enough hose to reach and wrap the hydrant.
Figure 10-41 The forward or straight hose lay.