-
What are the contents of a highrise pack?
- 2 38 mm hose 15 m lengths
- 1 38 mm fog nozzle
- 1 65 to 38 mm reducer
- 1 collapsible hose key
- 1 pipe wrench
- Rubber latch straps
- Sprinkler plugs
-
What are the contents of a hydrant kit?
- 1 gate valve 65 mm
- 1 adjustable hydrant key
- 1 65 mm combination key
- 1 115 to 100 steamer port adapter
- 1 65 mm female to 100 mm storz adapter
- 1 65 mm double female adapter
-
Fire Hose is
The term "fire hose" identifies a flexible tube used by firefighters to carry water under pressure from the source of supply to a point where it is discharged.
-
Types of hose used by HFD
- 1. Double-cotton Jacket Rubber lined
- (38 mm hose, 65 mm hose)
- 2. Synthetic Double Jacket Rubber lined
- (Woven polyester jackets, 38 mm, 65 mm)
- 3. Nitral/PVC Rubber
- (one piece construction eliminated delaminating, reinforced with synthetic nylon, 65 mm, 100 mm, 125 mm)
- 4. Rubber Covered
- (Spiral wire helix & nylon reinforced, hard suction hose, 150 mm hose)
-
What is the NFPA standard for Fire Hose?
NFPA 1961
-
What is the NFPA standard for Fire Hose connections?
NPFA 1963
-
What is the NFPA standard for Automotive Fire Apparatus?
NFPA 1901
-
What are the four ways fire hose can be damaged?
- 1. Mechanical
- Slices, rips, abrasions on coverings, Crushed/damaged couplings, cracked inner linings
- 2. Hot and Cold
- Excessive heat/direct flame contact can char, melt, weaken outer jacket and dehydrate rubber lining, inner linings can be dehydrated when hose hangs to dry too long
- 3. Mildew
- Rubber-Jacket hose not subject to damage caused by living organism, but this is a problem on hose with a woven jacket of natural fiber if stored wet. Mildew, mold rot fibers of hose jacket, causing hose to rupture under pressure
- 4. Chemical
- Chemicals, chemical vapors can damage outer jacket on hose or cause rubber lining to separate from inner jacket. When hose exposed to petroleum products, paints, acids, alkalis, may be weakened.
-
How is hose testing and hose care done?
- Hose testing is done annually, or after repair to 1700 kpa
- Hose change on apparatus is done monthly on corresponding day with apparatus
-
What is a higbee cut?
- One rocker lug on each half of coupling has a small indentation higbee indicator to mark where higbee cut begins
- Truncating threads are cut in a "v" shape at 60 degree angle
- prevents binding and cross threading
- helps to clear grit from threads
-
How do we break hose?
- All HFD couplings are to be "key" tightened
- Rule - "over to make, Under to break"
|
|