LP # 250 HYDRANTS Flashcards
(41 cards)
What different types of fire hydrants
are in use by the L.A.F.D.?
General: Various types of hydrants are in use by
this Department. These hydrants are equipped
with 2 ½” outlets, 4” outlets, or a combination of
both. The outlets conform to National Standard
Thread specification
HOW ARE FIRE HYDRANTS IDENTIFIED?
SFH
S.F.H. – Single fire hydrant 2 ½” S.F.H.
and 4” S.F.H
HOW ARE FIRE HYDRANTS IDENTIFIED?
DFH
D.F.H. – Double fire hydrant 2 ½” x 4”
D.F.H. and 4” x 4” D.F.H.
HOW ARE FIRE HYDRANTS IDENTIFIED?
SSFH
S.S.F.H. – Subsurface fire hydrant
HOW ARE FIRE HYDRANTS IDENTIFIED?
BUFH
B.U.F.H. – Built-up fire hydrant is an
assembled unit of 4” or 6” pipe
surmounted by an angle valve with a 2
½” or 4” outlet
HOW ARE PRIVATE HYDRANTS IDENTIFIED?
There are certain other hydrants, which will
not conveniently fit into any of the above
categories listed in the above sections. These
are very rare, and for the most part are only on
private water systems or on private property.
These will be identified by the number and size of
outlets
Who is responsible for determining
hydrants over 200/210 PSI? Who
is responsible for the initial painting
of Hydrants over 200/210 PSI?
Painting: Station Commanders shall determine
that hydrants with a static pressure over 200/210
PSI have tops painted red. Station members
shall do initial painting of tops
WERE ARE THE REFLECTORS LOCATED IN THE HILLSIDE AREA?
In the hill-side areas of the city, the blue
reflectors are located on the street pavement
to indicate all hydrant locations
WERE ARE THE REFLECTORS LOCATED IN THE FLATLAND AREA?
In the flatland areas the reflectors shall be
used to indicate only mid-block hydrant
locations, or hydrant locations that are
obstructed from view
HOW ARE THE REFLECTORS LOCATED IN THE PRIVATE AREAS?
Private hydrant locations shall be identified in
the same manner dependent upon the need
and with the approval of the individual
responsible for the property
WHO IS RESPONSIBLE FOR THE REPLACEMENT OF THE REFLECTORS?
Station personnel shall do the installation and
replacement of hydrant reflectors. Hydrant
reflectors and epoxy are available at Supply
and Maintenance
What is the purpose of the pole
band?
Pole Bands:
- The purpose of the pole band is to help the
engine company locate the fire hydrant - The pole band is usually yellow in color and is
located on the telephone pole closes to the
fire hydran
Where is Station hydrant district
boundary line located?
Station hydrant district boundary lines will be
the centerline of streets, rivers and/or flood
control channels dividing first-in districts of
stations
WHO DO YOU FORWARD RECORD CHANGES TO?
Any changes in district boundary lines due to
annexation, detachment, change in first-in
district, etc., stations will make needed
corrections of their respective hydrant records
and forward either F-225 Red Letterhead, or
new F-95 Fire Hydrant Record (2 copies),
whichever is more appropriate, to the
Engineering and hydrant Unit
What is the proper spacing of fire
hydrants IN LOW DENSITY RESIDENTIAL AREAS?
- Low Density Residential (Homes)
600 feet apart
What is the proper spacing of fire
hydrants IN High Density Residential (Apartments,
Condos) and Residential/Commercial
- High Density Residential (Apartments,
Condos) and Residential/Commercial (Mom
and Pop shops)
300-450 feet apart
What is the proper spacing of fire
hydrants IN Industrial Commercial
Industrial Commercial
300 feet apart
When are hydrants permitted to be
used by Fire Department
members?
General: Fire Department Personnel shall use
fire hydrants only in performance of their duties,
such as use at fires, drilling, testing, or refilling
apparatus water tanks
How shall hydrants be opened?
Operation: Hydrants shall be opened and closed
slowly to avoid water hammer. Hydrant valves
are not designed to regulate the volume of flow.
Normally, they shall be fully opened or fully
closed. After use, hydrant valves shall be closed
sufficiently tight to shut off the flow of water, and
the out-let cap replaced
Who is responsible for flushing fire
hydrants?
C. Flushing: Members shall not open a fire hydrant
for the purpose of flushing or trying to clean out a
main. This is a function of the Department of
Water and Power
What shall be done when a fire
hydrant is found inoperative
because of damage, obstruction, or
is being used illegally?
Inoperative hydrants: During non-emergency
situations when a hydrant is found to be
inoperative because of damage, obstruction, or is
being used illegally, report the situation at once
to the Hydrant and Access Unit by telephone or if
they cannot be reached report it to OCDS
What shall be done when a fire
hydrant is out of service?
Out of Service Hydrants: Station Commanders
when notified that a hydrant or main is out of
service, shall Journalize the information and
notify the officer concurred
What shall be done when a request
from the public comes into the fire
station regarding any part of the
water system?
Requests for hydrant information from civilians:
Members receiving requests from the public for
information concerning any part of the water
system will not attempt to furnish this information,
but will refer the inquirer to the nearest office of
the Department of Water and Power Members receiving any requests in writing and or
about installing, removing, private hydrants,
costs, and water mains to name a few shall
referrer the person to the Hydrant and Access
Unit
Who is responsible for testing fire
hydrants?
Frequency: A routine test of hydrants shall be
made at least once a year. The maximum period
of time between test periods shall be 12 months.
The time for testing will be determined by the
Battalion Commanders
