CH 6 HYDRANTS Flashcards
Dresser Low Pressure Hydrant . What is the main difference between this and a smith hydrant ?
The Dresser hydrant will provide 10% to 15% greater
discharge than the Smith hydrant
Sec 6.2.3
Can High Pressure Hydrants be used for firefighting ?
NO!!
These hydrants are being removed and are out of
service. They may still be encountered, however, and their use should be AVOIDED!!!
Sec 6.2.5
Smith Low Pressure Hydrant - The Smith hydrant has a black barrel with a
silver bonnet. There are two outlets, one 2 1/2 inch and one 4 1/2 inch. This
hydrant is equipped with two valves, a main and a drain which are both activated
by the operating nut on top of the hydrant. The number on the barrel of the
hydrant indicates what ???
A white line under the number on the barrel indicates what ??
The size of the main supplying the hydrant
This hydrant is on a dead end main and is only
supplied from one direction.
Dead end mains are generally smaller in diameter
and provide less water than mains fed from two directions
Sec 6.2.2
After inspecting a building with a sprinkler system it is determined that the System is out of service. What color disc is to be used on the siamese ?
Did u say BLUE?? WROOOOOOONG!!!!!!!
White Disc - UNSERVICEABLE hydrants AND 3 inch siamese of OUT OF SERVICE auxiliary fire protection systems
BLUE is to indicate not functioning as a FULLY AUTOMATIC System,and/or portion of system will operate effectively when SUPPLIED
Sec 6.5.2
Red Air Cock Hydrants - Hydrants on 30 inch diameter or greater mains in
strategic locations (high and low points). Also allow Water Department repair
crews to bleed off air when repairs are completed.
What color are they ? and should they be avoided ??
These hydrants are painted red
and are EXCELLENT sources of water for fire department use.
Sec 6.7.2
Red Satellite Water System Hydrants - Good source of water for engine companies.
True or False
FALSE!!
Engine companies should ** AVOID ** use of these hydrants.
Sec 6.7.3
Twin Hydrant arrangement on large mains
for a rapid and adequate source of water for Satellite Water System. Two special
hydrants, each with two 4 1/2 inch outlets, painted red and located close to each
other.
6.9.5 When a custodian wrench is broken, lost or stolen, Who is called ?
The Division will provide a
loaner wrench (spare) to the Unit until a new one is secured from Technical
Services. Upon receipt of the new wrench, the Unit will return the spare to the
issuing Division.
Sec 6.9.5
Each unit has been issued a custodian wrench with an individual serial number. Who maintains the database ?
The Bureau of Technical Services will maintain a database of all custodian
wrenches with their serial numbers and corresponding units. This database
information will be updated whenever a new wrench is issued to a Unit
Sec 6.9.1
