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,