FIRE GROUND WATER SOURCES

Question 1

Fire Ground Water Sources

The main sizes range from ____” to ____” in diameter and average ____ PSI static pressure

Answer 1

6”-24”

70 PSI

Question 2

Fire Ground Water Sources

The communities of ____ Beach, ____ Beach, and _____ operate their own water utilities and the system parameters may differ from the majority of Jacksonville served by JEA. In some cases, hydrant pressure is provided by _____ from water towers.

Answer 2

Atlantic Beach, Neptune Beach, and Baldwin

head pressure

Question 3

Fire Ground Water Sources

An alternative to the water main system is a _____ source, which has no pressure.

Answer 3

Static

Question 4

Fire Hydrants

All city hydrants are equipped with a __” inlet and are supplied by the water main system. The flow (GPM) will vary based on the ____ of the water main and the water main _____.

Answer 4

6”

diameter

pressure

Question 5

• City Fire Hydrant*
• Color ____

[Thread Sizes]

• Steamer ____
• Side outlets ____

[Static Pressure]
-Approximately ____ PSI

[Supply Mains]

• Residential __” to __”
• Commercial __” to __”

Answer 5

YELLOW

4–1/2”
2–1/2”

70 PSI

6” to 10”
8” to 24”

Question 6

• Private Fire Hydrants (Industrial Facilities)*
• Color ____

[Thread Sizes]

• Steamer ____
• Side outlets ____
• some may not have a steamer and individual outlets may be gated

[Static Pressure]
- Up to ____ PSI

Answer 6

RED

4–1/2”
2–1/2”

175 PSI

Question 7

• Private Fire Hydrants (Apartments and Business Complexes)
• Color ____

[Thread Sizes]

• Steamer ____
• Side outlets ____

[Static Pressure]
-Approximately ____ PSI

[Supply Mains]
-Dead end mains or loops ____

Answer 7

RED

4–1/2”
2–1/2”

70 PSI

6” to 10”

Question 8

• Private Fire Hydrants

_____ hydrants may be found on ____ water mains. These mains are for ____ and not for firefighting use. Hydrants are installed on these mains for ____ ____.

Sound barrier walls along limited access highways may incorporate access holes (about ___) to reach hydrants on nearby streets.

Answer 8

Purple hydrants
Reclaimed
Irrigation
Maintenance flushing

12”

Question 9

Static Water Supply

Static sources require pumping apparatus to Draft. Drafting utilizes ______ ______ to supply a fire pump through hard suction hose.

Answer 9

atmospheric pressure

Question 10

Booster Tank

The booster tank is also a static supply in is located higher than the pump intake manifold to take advantage of ____ ____.

Each JFRD engine has a ____ “ TANK-TO-PUMP valve.

Flow from the booster tank is limited to ___ - ___ GPM on all JFRD engines

Answer 10

head pressure

3”

700-800 GPM

Question 11

Dry Hydrants

A dry hydrant consists of a pipe with a threaded ____ steamer connection attached to a static water supply. the pipe is commonly ___ but could be ____ ____ or ____ ____.

Answer 11

4-1/2

PVC

cast iron or stainless steal

Question 12

Considerations before using a dry hydrant

PVC pipes are easily damaged by ____, _____, and ____ ____ ____.

Answer 12

Vehicles
Vandalism
Prolonged UV exposure

Question 13

Private Systems

Commercial ____, ____, ____ ____, ____ ____, and ____ complexes may utilize a private water supply. This could be independent of city mains and be supplied by a private ____ and ____. Another type of private system consist of a private main that is connected to a city main through a ____ and ____ ____.

Answer 13

Plants, schools, shopping centers, aircraft hangers, and apartment complexes

well and pump

meter and backflow preventer

Question 14

*Private Fire Hydrants

NFPA Color Codes

Blue
Green
Orange
Red

BGOR

Answer 14

1500 GPM or more

1000-1499 GPM

500-999 GPM

Below 500 GPM