4/2 Hydrants

Question 1

Hydrants shall be identified on reports and records as follows:

S.F.H-
D.F.H-
S.S.F.H-

Answer 1

S.F.H- single fh 2-1/2 s.f.h and 4” shh
D.F.H- double fh 2 1/2x 4 and 4x4
S.S.F.H-sub surface fh

Question 2

Hydrant symbols: x6

Answer 2

Open circle: 2-1/2”single or built up
Half circle- 4” single or built up
Full circle: 2-1/2” x 4” or double 4”
S - subsurface
Square - private
Main size

Question 3

Station Commanders shall determine that hydrants with a static pressure over _____psi have tops painted red. Initial painting of tops shall be done by station members.

Answer 3

200

Question 4

In the ______areas of the City, the blue reflectors are located on the street pavement to indicate all hydrant locations,

while in the _______areas the reflectors shall be used to indicate only mid-block hydrant locations, or hydrant locations that are obstructed from view.

Answer 4

Hillside

Flatland

Question 5

The installation and replacement of hydrant reflectors shall be done by ___________.

Answer 5

Station personnel

Question 6

Hydrants shall be opened and closed slowly to avoid __________

Answer 6

Water hammer

Question 7

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 Construction Services – ___________by telephone

Answer 7

Hydrant access unit

Question 8

Unless a different period of time has been specified, hydrants reported out of service, which have not been restored to service within 72 hours, shall be reported to the Construction Services - _________

Answer 8

Hydrant / access unit

Question 9

Chief Officers or Station Commanders contemplating training activities requiring large GPM flows will notify the Construction Services - Hydrant/Access Unit at least ____ hours in advance

Answer 9

48

Question 10

The maximum period of time between test periods shall be ____months. The time for testing will be determined by ________

Answer 10

Battalion commanders

Question 11

Carefully remove all “_______” from the hydrant stem. No abrasive material is to be used on hydrant stems; do not apply any lubrication.

Answer 11

Verdigris

Question 12

the _______ of valve stem shall be tightened if necessary to stop leak.

NOTE Do not tighten the packing nut on hydrants having an ______as packing.

Answer 12

Packing nut

“O” ring

Question 13

Clean hydrant nipple with a _____ if necessary

Answer 13

Wire brush

Question 14

Form F-____ (Fire Hydrant Test Record)

Answer 14

70

Question 15

Those hydrants located in Station 86 and 91 hydrant district and shown on Department maps as “Hard Suction” hydrants are designed for _____ only

Answer 15

Drafting

Question 16

A _____-inch diameter cap (usually painted ____) covers the gate valve

Answer 16

6in

Blue

Question 17

Of the ______hydrants in the City, _____% will have the street shut off valve located within 15 feet of the hydrant.

Answer 17

56000

80

Question 18

If the valve cannot be readily located or the gate valve is more than 15 feet from the hydrant, members are advised to call for a _____

Answer 18

DWP Response team

Question 19

Fire hydrant gate valves may require ___to ____full turns to complete a shut down.

Answer 19

18-26

Question 20

Although approximately ___% of all fire hydrant gate valves close in a clockwise direction, Firefighters must recognize those instances when a counterclockwise rotation is necessary to close the valve.

Answer 20

98

Question 21

When notifying Metro of a sheared off fire hydrant, include the following information:
X3

Answer 21

1. Fire hydrant location
2. State if fire hydrant has been shut off
3. The number of valves closed