Chapter 6 Stretching and operating the hose line

Question 1

What are the 3 fundamentals that must be followed each time a hoseline is selected?

Answer 1

1. Determine the location of the fire prior to the stretch
2. Determine proper size line
3. Estimate the amount of hose needed

Question 2

What is the minimum hose needed at the door for 1.75” and 2.5” at the door?

Answer 2

50’ for 1.75 and 100’ for 2.5”

Question 3

What is the minimum GPM for interior structure firefighting?

Answer 3

150

Question 4

What is NFPA 1410?

Answer 4

Standard for initial scene Operations

Question 5

What is NFPA 1710?

Answer 5

Standard organization for suppression, EMS, special ops for career departments

Question 6

How much fire can a 150’ 1.75” line put out?

Answer 6

Up to 6 rooms

Question 7

Explain the ADULTS Acronym.

Answer 7

Advanced fire conditions upon arrival
Defensive Ops
Unable to determine location of fire
Large uncompartmentalized areas
"Tons of Water"
Stand Pipe OPs

Question 8

What is the general rule of thumb for estimating lengths for a fire building?

Answer 8

1 length for set back
1 length per stairwell floor
1 length for the fire floor
1 Length per 3 floors for "Well Hole"
1 length per width of residential property

Question 9

What is the average width of a residential property?

Answer 9

50’

Question 10

How much hose is needed to typically cover the residential front to rear door? How much for the upper floors?

Answer 10

50’ and may need additional 50’ per interior floor

Question 11

What is the commercial formula for 2.5” length selection?

Answer 11

Length + Width + 50’

Question 12

When should a 2nd attack line be used?

Answer 12

A large volume of fire, 2nd line needed for extinguishment
Vertical fire spread, fire moving to upper floors
Exposure protection

Question 13

What are the responsibilities of the 3rd hoseline?

Answer 13

1. Floor above the fire
2. Cover 2nd means of egress
3. Replace the 2 Out line
4. Protect exposures
5. Prevent vertical fire spread to protect the crews operating upstairs

Question 14

What are some guidelines to follow when assigned 2 out?

Answer 14

1. Stretch the 2 OUT in the same entrance as the initial attack line
2. Don’t get in the way of the initial line placement or movement
3. Do not fight fire with the 2 OUT
4. Be aware of crew positions on the inside
5. Provide continuous water supply for the 2 out
6. Protect the stairwell and egress
7. 2 Out must be long enough to cover the building
8. Must be same diameter or larger than the attack line

Question 15

How many times more difficult is it to move charged hoselines?

Answer 15

6x