Water Supply

Question 1

The first arriving engine officer to a structure fire is responsible for what?

Answer 1

Securing a water supply or assigning it to another engine

Question 2

What should second third and fourth due engines do on arrival to structure fire?

Answer 2

Level 1 stage on a hydrant

Question 3

Hose lays greater than how many feet should be reported to incident command?

Answer 3

600 ft

Question 4

Who can be a Water Supply Group supervisor?

Answer 4

Any engine officer or chief officer on scene

Question 5

What are 6 possible reasons why first arriving engine officer may use tank water instead of laying in to hydrant?

Answer 5

Confirmed rescue
Exact location not obvious
Unknown best engine placement
Driver can back stretch
Best hydrant not in travel path
Don’t block 1st due truck

Question 6

What are the max number of lines you can operate with a booster tank?

Answer 6

2. 1-3/4”
3. 2-1/2

Question 7

Pump operators should not allow their intake pressure to drop below what?

Answer 7

20 PSI

Question 8

What color are high pressure hydrants painted?

Answer 8

Blue

Question 9

What is a possible sign of a low pressure low flow hydrant?

Answer 9

Maybe marked with a black bonnet

Question 10

What size hose should you use for water supply?

Answer 10

3 inch or larger

Question 11

For fires in commercial buildings, companies are expected to lay in what header?

Answer 11

Double

Question 12

When should a 2nd engine park at hydrant and relay pump?

Answer 12

There is 300’ or more of hose between 1st engine and hydrant

Question 13

What is the target GPM of headers?

Answer 13

Single 700gpm
Double 1400gpm

Achieved with lays <300’ normal hydrant pressure