Utility Emergencies

Question 1

APWA Color Codes

Answer 1

Red
Yellow
Orange
Blue
Purple
Green
Pink
White

Question 2

Red Markings

Answer 2

Electric
Cable
Conduit
Lighting cable

Question 3

Yellow Markings

Answer 3

Gas
Oil
Steam
Petroleum
Gaseous materials

Question 4

Orange Markings

Answer 4

Communications
Alarm
Signal lines
Cable or conduit

Question 5

Blue

Answer 5

Potable water

Question 6

Green

Answer 6

Sewer
Drian lines

Question 7

Pink

Answer 7

Temporary survey markings

Question 8

White

Answer 8

Proposed excavation

Question 9

CI?

Answer 9

Cast Iron

Question 10

CPR

Answer 10

Copper

Question 11

DI

Answer 11

Ductile Iron

Question 12

PL

Answer 12

Plastic

Question 13

PVC

Answer 13

Polyvinyl Chloride

Question 14

RFC

Answer 14

Reinforced Concrete

Question 15

SCC

Answer 15

Steel Cylinder Concrete

Question 16

STL

Answer 16

Steel

Question 17

TC

Answer 17

Terracotta

Question 18

TR

Answer 18

Transite

Question 19

W/STL

Answer 19

Wrapped steel

Question 20

Pothead

Answer 20

A device which provides transition between underground cable to overhead lines or conductors.

Question 21

Primary

Answer 21

Electric service delivered between 2,000 & 50,000 volts to a distribution transformer, which in turn , reduces to a secondary levels.

Question 22

Secondary

Answer 22

Electric service taken at less than 2,000 volts. Most residential and business customers receive electricity from secondary distribution lines.

Question 23

The flammable range for natural gas is between?

Answer 23

5% & 15%

Question 24

The ignition temperature for natural gas is?

Answer 24

About 1200 degrees F

Question 25

The expansion ratio of liquified natural gas is?

Answer 25

600:1

Question 26

The general ruler apparatus positioning is no closer than ___ feet for the _____ ________ ____ and a minimum distance of ___ ____ for all the other incoming apparatus.

Answer 26

100 feet, first arriving unit, 300 feet.

Question 27

If the break is in a line reported to be over _ __ in diameter, the incident should be upgraded to a ________ response.

Answer 27

2 inches, HazMat response.

Question 28

What are the responsibilities of the engine co on an outside leak?

Answer 28

Identify a water supply, locate & secure the leak & evacuate the citizens if needed.

Question 29

What are the responsibilities of the specialty unit on an outside gas leak?

Answer 29

Provide ventilation, metering, investigation of exposure, and assisting the initial crew with their assigned tasks.

Question 30

To protect the utility company workers, unit should position ______ ____ _ ____ ___ ____ ____________ and a _____ ______

Answer 30

upwind with a 20 lb dry chem extinguisher and a charged hose line.

Question 31

The DOT Emergency Response Guide suggest an evacuation distance of…?

Answer 31

330 feet.

Question 32

Propane Expansion Rate

Answer 32

270:1

Question 33

Propane Vapor Density

Answer 33

1.56

Question 34

Propane LEL & UEL

Answer 34

2.3 & 9.5

Question 35

Propane Ignition Temperature

Answer 35

Between 920 & 1120 Degrees F

Question 36

a 20 to 100 lb propane tank can be effectively cooled off with…?

Answer 36

50 GPM stream

Question 37

Dangerous amounts of CO can accumulate as a result of:

Answer 37

-Poor installation
-Poor maintenance, failure or damage to an appliance
-Fuel is not burned properly
-Rooms are poorly ventilated and the CO is unable to escape

Question 38

FCFD Hazmat Response

Answer 38

2 Engines
1 HazMat Rescue Squad
Hazmat & HazMat Support Unit
1 BC
1 SAFO
1 EMS Supv