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TRAINING BULLETINS > FOAM > Flashcards

FOAM Flashcards

1
Q

2 Main categories of foam

A

Low Ex

High Ex

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2
Q

Low ex foams are extremely useful on fire and spills involving

A

Flammable and Combustible liquids

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3
Q

High Ex foams are intended to fight fire of

A

Class A combustible materials in areas that are inaccessible to firefighters, such as cellars and ship holds.

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4
Q

High Ex foam is not suitable for use on

A

Outdoor flammable liquid fires

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5
Q

An important point to be considered is that the fire must be

A

Completely extinguished or it will burn back across the surface as soon as the particular extinguishing agent begins to breakdown

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6
Q

Different types of foam concentrates are not

A

Compatible and should never be mixed for storage. ex: in the tanks of foam carriers, Tenders

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7
Q

At an incident it is permissible to apply

A

2 different types of Low Ex Foam simultaneously if necessary due to a lack of sufficient quantities of the most correct type to complete extinguishment. Ex: Fluoroprotein and Alcohol (Polydol).

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8
Q

Can u mix High Ex and Low EX

A

NO

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9
Q

Protein Foam is

A

Not used by the FDNY, however it might still be encountered at some bulk plants

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10
Q

When using a AFFF extinguisher knockdown will be observed but the film produced might be

A

Unstable because it in not aerated. Breakdown around hot metal especially pipes in a boiler room should be anticipated. As a precaution a foam line should be made ready

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11
Q

AFFF is not an

A

Aerated Foam

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12
Q

Port Authority crash trucks use

A

AAAF Foam

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13
Q

It is important to recognize the fast draining nature of AFFF foam and

A

Avoid entering the area until a stable Fluoroprotein or Alcohol Resistant Fluoroprotein Foam blanket has been established throughout the area to control the vapors

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14
Q

Fluoroprotein Foam can be generated with either

A

Fresh or Salt water

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15
Q

Marine companies are issued

A

55 Gallon drums of Fluoroprotein Foam

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16
Q

Fluoropolydol is the superior fire extinguishing concentrate for both

A

Hydrocarbon fuel (Gasoline, Fuel Oils) as well as Polar Solvents (Alcohol, Ketones)

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17
Q

Fluorpolydol is used at a rate of

A

3% Hydrocarbons

6% Polar Solvents

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18
Q

What is the preferred foam to use if we need to enter the blanket

A

Fluorpolydol (Alcohol Resistant Fluorprotein Foam)

Must be applied continuously while members are in the blanket

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19
Q

Fluoropoydol has excellant

A

Burnback resistance and wind and water spray resistance

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20
Q

Fluoropolydol is extremely

A

Corrosive to brass, aluminum and plain steel. It must not be poured into any long term containers that are not made of stainless steel or plastic

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21
Q

How many gallons of Fluoropolydol is carried by the booster tanks of Foam Carrier 206 and Foam Carrier 95

A

1000 Gallons. The remaining foam carriers caryy 5 gallon cans. The satellites also carry 5 Gallon cans

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22
Q

Where are ARAFFF or ATC used

A

FDNY does not use

Oil industry uses this foam

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23
Q 
Color Code
Fluoroprotein
Alcohol
Hi Ex
AFFF
A

Brown
Green
Yellow
Black

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24
Q

Dry chemical foam must be used to extinguish

A

3D fire

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25
Q

Premixing of the Fluoroprotein foam solution can be accomplished by dumping

A

3 - 5 gallon into a 500 gallon pumper or
4 - 5 gallon into a 750 gallon pumper
this will create a 3% solution.
This is only done when a foam eductor cannot be placed into operation. The pumper should NOT be hooked up to a hydrant

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26
Q

1st alarm assignment of 3 engines and 2 ladders should provide

A

65 gallons of foam concentrate
Ladders have 2 - 5 gallon cans
Engines have 3 - 5 gallon cans

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27
Q

Foam carrier will be needed for spills over

A

600 SQ FT

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28
Q

Foam Carriers

A

10 in service
No water on apparatus
Booster tanks fill with 1000 gallons of foam
Fluoroprotein or Fluoropolydol can be carried
Also carry Hi Ex generator and Hi EX foam in 5 cans of 5 gallon hi ex
Must be supplied with water
Dedicated engine company should supply

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29
Q

Transmit a 10-86 if the incident is

A

beyond the 1st alarm assignment capability

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30
Q

Product level must be within

A

5 feet of the top of the tank. If to much product is removed a large “chimney” will form and carry away much of the foam

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31
Q

Try to apply the foam in a tank in the “window”

A

The window is an area in the plume which is located on the upwind side of the tank. It is a small area where the flames aren’t as tall. There are less convection currents in this area.

32
Q

1st alarm assignment of foam

A

13 - 5 gallon cans

22 minute duration

33
Q

Steel tanker roll over with leak

A

Shell split likelihood decreased

34
Q

Aluminum tanker roll over with leak

A

May split open

35
Q

A vehicle that has rolled over MUST

A

Be off loaded. NEVER upright

36
Q

What tanks are more likely to BLEVE

A

Steel tanks
Aluminum tanks will melt
Get a LCS on the vapor area. This should be done before, or if enough manpower exists in conjunction with stretching a foam line

37
Q

Have a separate pumper

A

Test and hook up to a hydrant to supply the foam carrier

38
Q

The IC should anticipate that the situation will escalate and that the necessity for a Large Caliber Foam Nozzle exists. In being proactive the following apparatus positioning is necessary

A

1) Satellite apparatus or Tower Ladder if height is an issue to attach the Angus modified foam cannon. Position the apparatus as close as possible to the incident.
2) A 2000 gallon per minute pumper attached to a good source of water is needed for the supply. This apparatus should be as close to the incident as possible
3) Determine a foam assembly point for the foam carrier apparatus or tender to deliver the foam concentrate. The best placement for this is at an intersection where units can come in from one direction and leave by another. This Foam Assembly Point and direction of access should be relayed to the dispatcher for transmittal over the department radio. A BC preferable a Foam Coordinator should be assigned this duty

39
Q

Jet A fuel is a

A

Kerosene based fuel

40
Q

PAPD uses large quantities of

A

AFFF Foam

41
Q

One of the priorities of the FDNY at a airport plane crash is

A

Water supply to PAPD crash trucks

42
Q

If operations are going to involve firefighters working in the vapor area of the airplane crash with fuel present, it is imperative to

A

Apply a Fluoroprotein or Alcohol Resistant Fluoroprotein Foam blanket ovet the AFFF foam blanket produced by the PAPD

43
Q

If an airplane crashes anywhere but at an airport the PAPD

A

may or may not send a crash truck response. In order for the airport to stay open they need a minimum amount of crash trucks to stay open

44
Q

All of NYC Bulk Oil Facilities have a

A

Fire protection system in place. Our 1st consideration is to supply this system with what is needed. Some systems need water and some systems need foam

45
Q

It is important to get at least one TL

A

As close to the tank as possible. If possible leave access for a Satellite

46
Q

A tank that is full will act as a

A

Heat Sink and will not be as dangerous as a tank that is partially full

47
Q

A tank full of vapors is

A

Much more dangerous than a tank full of product

48
Q

Use water on a tank only

A

When it is Steaming. When the tank stops steaming shut down the line

49
Q

Sometimes there are small tanks located in the

A

Dike area that are used for additives to the fuel, vapor recovery units, etc. Many of these tanks are pressurized.

50
Q

The identifying clue to recognizing a pressurized container is the

A

Rounded Ends. These MUST BE COOLED

51
Q

If any tank that is exposed to heat and the pressure relief valve has activated

A

Monitor the release for intensity. Operate hose lines form the SIDES OF THE TANK. The ends of tanks present a more serious danger if the tank ruptures.

52
Q

If the pressure relief valve increases in noise and/or the flame jet increases in height

A

Withdraw with all but UNMANNED lines. This indicates a serious BLEVE potential

53
Q

The specific gravity of most petroleum products is such that they are

A

Lighter than water and will float on the surface

54
Q

As Foam Carriers arrive they should be staged under the control of a

A

BC, preferably a Foam Coordinator. They should report to a pre arranged Foam Assembly Point and NOT ENTER the facility until called for.

55
Q

Large fire boats carry

A

1200 Gallons of foam concentrate. Additional foam concentrate may be provided utilizing foam bladders capable of holding 1200 and 2000 gallons of foam concentrate. These bladders will have to be filled at the time of the incident

56
Q

In Bulk Oil Facilities the FD Foam connection will be what color

A

Red with Bright Orange Bands or Caps

57
Q

1st alarm assignment of foam with one handling in operation is how many SQ FT

A

600 SQ FT

58
Q

What is the required expansion ratio range for Hi-Ex foam to be classified as a Hi-Ex Foam

A

200/1 to 1000/1

59
Q

The effectiveness of a Hi-Ex foam blanket depends on many factors. Increasing the settings on the educator will do what

A

Increase the amount of foam concentrate used

60
Q

When cleaning eductors how long should water be educated through it

A

At least 15 minutes

61
Q

What is the band color for Hi-Ex foam

A

Yellow

62
Q

Hi-Ex Foam operations

A
  • Fresh or salt water can be used
  • Relatively small flow of water (60 gpm) is required
  • 200-220 PSI at the inlet of the foam eductor
  • Eductor metering calibrations are relative and do not necessarily indicate the actual percentage of solution that will be formed
63
Q

The chute used for Hi-Ex foam operations should be

A

One foot larger in diameter than the mouth of the generator

64
Q

What action must be taken to use a Hi-Ex foam generator as a smoke ejector

A

Turn the generator around

65
Q

Electrical equipment

A

Must be deactivated

66
Q

How is the Hi-Ex generator output computed

A

Cubic Feet Per Minute

67
Q

Foam concentrate should be stacked no more than

A

2 cans high

68
Q

All foam concentrates have a

A

Shelf life

69
Q

What is the shelf life of
Protein based foam
Synthetic based foam

A

Protein based foam is 10 years
Synthetic based foam is 20 years

10/20

70
Q

Why is it important to warn all members operating in and around the fire area before Hi-Ex foam operations are started

A

To prevent operating forces from becoming enveloped in foam

71
Q

Can you use salt water for foam applications

A

Yes

72
Q

At a bulk oil tank plant fire what is the FDNY’s 1st concern

A
  • To supply the existing fire extinguishing equipment.
  • May need water, foam concentrate or solution
  • Establish a foam assembly point with foam coordinator supervising (staging area)
73
Q

If the tank fire is of combustible product the application time is

A

30 minutes

74
Q

If the tank fire is of flammable product the application time is

A

60 minutes

75
Q

Foam handling ops

A
  • Use 2 1/2 from rig to eductor
  • Eductor must be placed at least 1 length from rig
  • Only 1 3/4 from eductor to nozzle
  • Max of 4 lengths from nozzle to eductor
  • 200 psi at EDUCTOR
  • May not work if stretch is uphill
  • Operate nozzle at or below level of eductor
76
Q

Tower ladder foam operations

A
  • TL FF’s attach foam cannon or foam nozzle to TL
  • 500 GPM nozzle screws right onto the Stang
  • TL raised and pointed away from fire
  • Unmanned (OK to man with 500 GPM nozzle)
  • If FIMM pumper is connected to hydrant must use 4 1/2 back flow prevention valve
77
Q

Supplying the TL with foam

A
  • Foam concentrate supplied to FIMM pumper via 1 3/4 hose from foam carrier or foam tender (foam tender is preferred)
  • Pressure in concentrate supply line must be 50 psi over hydrant pressure
  • Stretch 5” hose from FIMM pumper to TL
  • Need 250 psi at base of TL
  • Both FIMM pumper & relay pumper in volume
  • Relay pumper needs 80 psi at intake
  • FIMM will use 3% rate
  • When foam is established move TL into position

TRAINING BULLETINS (33 decks)

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