“WATER-THIEF ASSEMBLY” “WATER-THIEF ASSEMBLY” “WATER-THIEF ASSEMBLY”
Similar to a gated-wye, but has an additional 2 ?”
gated outlet. This additional feature allows a larger hand-line to be placed into service from the same appliance. When used in conjunction with 3-inch hose, only one supply line is required to obtain and deliver all of the flows (up to 600 gpm).
During standpipe operations, the ten-foot length allows hose connections to be placed on the ground, and within closer reach of attack teams. More than one hose-line can be put into operation from a single standpipe outlet. In conjunction with a 60 degree elbow, it has also reduced the number of ruptured hose lines. This was mainly due to critical angles placed on the hose at the coupling, coming out from the standpipe outlet.
Three-inch diameter hose requires less than half of the friction loss that is
experienced in 2 ?” hose.
This is a critical trait when flows of 300-600 G.P.M. ( two 1 ?” lines, and one 2 ?”
line) are flowing from the water thief.
o FL in 3” line flowing 570 GPM = 26 lbs.
o FL in 2 ?” line flowing 570 GPM = 65 lbs.
This hose is constructed with a thermoplastic liner, which reduces the over-all
weight & bulk. It is also lighter than a similar length of 2 ?” rubber-lined hose!
o 50’ section of thermoplastic-lined 3-inch hose weighs - 26 lbs.
o 50’ section of rubber-lined 2 ? inch hose weighs - 27 lbs.
Pack #1: 7/8” tip Pack #2: Comb-fog nozzle
(7/8” slug built in to the shut-off)
Step #6: Set the finished unit down onto a clean, smooth surface. Hose should now appear as a narrow, oblong coil, male coupling on the inside, and female coupling finishing on the outside
Step #7: Create a “3-bight” fold. Starting at the mid-point of the coil, fold the hose coil in half, and adjust to provide evenness…creating
the three bights. Male coupling must be inside the left “bight” (when facing the 2-bight side of the pack). Use care when folding hose on the ground. The hose- jacket is more susceptible to abrasion
damage while on its edge. Avoid rough, coarse surfaces. Attach the nozzle, and snug it into the “bight” created.
Step #8: Securing with the straps:
a. Locate “center-strap” (yellow), and slide buckle underneath the
single bight section of the hose. Secure and tighten before
going to the other straps. This ensures the packs evenness.
b. Locate “nozzle-strap” (black strap), and slide buckle underneath
hose. Secure and tighten strap around hose and nozzle. Also
protect and secure the female coupling within this strap. c. Locate the “hose-strap” (yellow), and repeat as in step 8a. #8
d. Take all slack out of the “main strap” (attaches the three
straps as a unit).
There are two basic ways to carry the Metro-Pack to the fire
SCBA Method Shoulder Method
The SCBA method allows firefighters to carry additional tools & equipment, or free their hands to climb ladders, operate hose lines, etc.
HOSE-PACK DEPLOYMMENT HOSE-PACK DEPLOYMMENT HOSE-PACK DEPLOYMMENT
CHARGING & ADVANCING TECHNIQUES
There are three basic ways to charge the Metro-Pack. In the first two
methods, the hose-pack is charged before it is advanced. In the third
method, the hose is advanced “dry” prior to being charged. They are as
“Flat-loading” is a good technique
to use when there is open,
unobstructed space to work in (photo
19a shows the strap removed, and
hose pack in the “open” position –
ready to be connected &charged.)
Photo 19b: Metro-Pack
fully charged, and ready for use.
“Vertical-loading” is used when working in confined areas such as stairwells, landings, and hallways.
The coil charges best when water charges in from
the bottom. FF’s “open” the pack, lift the hose up,
and support it against a wall or railing. Support the coil with both arms through the center, at shoulder width. Place the nozzle on the ground.
Metro-Pack charged inside a stairwell. This method allows room to maneuver, and effectively advance 100’
of attack line onto the fire floor.
The “Shoulder Lead” is a dry hose advance.
This method is used when FF’s need to
advance hose- lines prior to charging them
Step 1: Open the pack on the ground. Connect the
female coupling to the water source.
Step 2: Place the nozzle on your shoulder, with hose layered on top. (photo 23a)
Step 3: Advance the hose by flaking loops off the top of your shoulder as you walk. Once
accomplished, the remaining hose left can then be charged using either technique described
above based on the situation. (photo 23b)
NOTE: When advancing dry hose up ladders, or stairwells…secure hose lines prior to charging
with water. This will prevent gravity from pulling much of the hose back down below.
EVOLUTIONS: Using the Water-Thief / WyeEVOLUTIONS: Using the Water-Thief / WyeEVOLUTIONS: Using the Water-Thief / Wye
Below are some examples where the Metro-Pack can be used
successfully…when evolutions incorporate the water-thief, or the 2 ?” gated wye:
Reverse Hose Lay- Attack Lines
Rapid Intervention Teams
Note: When using the Metro-Pack…crews have the option of operating either two 100’ hand
lines (320 gpm), or one 200’ hand line (160 gpm).
“HOSE WINDER” DIAGRAM “HOSE WINDER” DIAGRAM “HOSE WINDER” DIAGRAM
M-P ETROACK STRAP DIAGRAMMETRO-PACK STRAP DIAGRAM METRO-PACK STRAP DIAGRAM
Hose Strap Center Strap