Chapter 2 Hose and Hose Beds Flashcards
What is NFPA 1961?
Fire Hose Standard
How and What should each section of hose be checked for?
Functioning swivels Gaskets present Threads in good condition Clean and dry jackets Couplings that haven't become detached from the hose
What are the 1.5 standards?
Single jacket Wildland hose
Rear 1.5” lines should be 100’ and a 20/60 GPM @ 100PSI, should be attached to a rear gated Wye
What are the 1.75” Standards?
Front Cross Lay 150’
Middle Cross Lay 200’
Rear Cross Lay 300’
Each will be equipped with combo nozzle 150 GPM @ 50 PSI
or 7/8” tip smooth bore 160GPM @ 50 psi
2 Sacramento Packs 1.75” 100’ length with 7/8 slug
What are the 2.5” Standards?
Denver load 750-800’
Combo tip 250 GPM @ 50 PSI
Smooth Bore 1.25 tip 325 @ 50 Psi
What are the 3” standards?
600’ in two 300’ stacks with the thief attached to the right
What are the 5” standards?
1,000’ Flat load
What is the Type 1 engine hose compliment?
1" - 200' 1.5" - 400' 1.75" - 550' or 650' with 300' tank line 2.5" - 1100' 3" - 600' 5" - 1000'
What is the Type 3 engine hose compliment?
1" - 800' 1.5" - 1375' 1.75" - 200' 2.5" - 200' 3" - 800' 5" - 0'
What is the hose compliment on the truck?
1.75” - 150’
2.5” - 10’
5” - 15’
What are the average volume and weight of water in 1.75” fire hose?
- .12 gallons per foot, 1 LB per foot
- 6.24 Gallons per length and 52.04 water weight
What are the average volume and weight of water in 2.5” fire hose?
- .25 Gallons/Foot, 2.09LBS/Foot
- 12.5 Gallons/length and 104.25LBS/Length
What are the average volume and weight of water in 3.0” fire hose?
- .36 Gallons/Foot, 3.01 LBS/Foot
- 18.35 Gallons/Foot and 153.04 LB/Length
What are the average volume and weight of water in 5.0” fire hose?
- 1.02 Gallons/Foot, 8.53 LBS/Foot
- 101.9 Gallons/Length, 849.85 LBS/Length
What are the primary causes of hose damage?
Mechanical - worn edges, rips/tears, crushed couplings
Thermal - exposure to excessive heat, direct flame contact
Chemical - solvents, acids, bases,
At what temp does the polyester jacket melt on fire hose?
500
Where would you find Cam-lock couplings?
Haz-Mat Decon Unit
What are the 2 primary types of couplings used in the SFD?
Stortz and Threaded
How are couplings attached to the hose?
Brass expansion rings
What are the three types of lugs used on SFD hose?
Rocker Lugs
Long Handle Rocker Lugs
“Bar-Way” - For booster line
What are the most common thread types found in the SFD?
National Pipe Straight Hose (NPSH) AKA Pipe thread. Found on 1” forestry lines
National Standard Thread (NST) - AKA National Hose Thread. Found on all hose 1.5”- 4.5” hose lines
What are the SFD hose ID Number Categories?
1" - 6000 1.5" - 1000 1.75" - 7000 2" - 2000 3" - 3000 3.5" - 4000 5" - 5000 Unassigned for 8000 and 9000
When a hose is assigned a number, what information is tracked by that number?
Manufacturer and Date Service test pressure Annual service test dates Length Diameter Assigned Rig Repair history Cost
What is an F15?
Hose Change report
What is NFPA 1962?
Standard for care and inspection of Fire hose
How often is hose change?
Every 3 months
What is included in hose change?
Unloaded, inspect, clean, reload, first to last method
What shall fire hose be cleaned with?
Mild soapy water, and rinsed
If you find a hole or burn in the hose, what is the correct field test procedure?
Connect damaged hose to a discharge, pump at 250 psi for 1 minute. If no leaks it can remain in service.
What is an F30?
Hose inventory record, Master record for all hose assigned to the engine company.
What are the PSI ratings for SFD hose for service testing?
1" - 300 1.5" - 300 1.75" - 400 2.5" - 400 3.0" - 400 3.5" - 400 5" Nitrile - 200 5" Synthetic - 300
How long should all service testing be conducted?
5 minutes
What is the max length per outlet for testing?
300’
What is the max acceptable movement of couplings during service testing?
1/8”
