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Taxpayers Flashcards

1
Q

T or F

A single taxpayer can house up to 15 stores with non fire resistive partitions and no fire stopping in the cockloft.

A

True

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2
Q

In a taxpayer, under the 1938 fire code, when do you need a sprinkler?

A

Area exceeding 10,000 sq/ft

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3
Q

In taxpayers under the 1968 fire code, when is a fire sprinkler needed?

A

Area exceeding 7,500 sq/ft

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4
Q

For a taxpayer under the 2008 building code, when is a sprinkler needed?

A

Full building:
exceeding 12,000 sq/ft
Combined area on all floors including mezzanine 24,000 sq/ft

Occupancy within a building:
Area exceeding 7,500 sq/ft
Any area located 3 stories above grade
Any area located in a high rise
Any area that has an unenclosed stair connecting 2 or more levels
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5
Q

In a taxpayer how big can a cockloft be?

A

4” to more then 6’

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6
Q

What is the characteristic of a bowstring truss, and what % of a load may they actually be able to hold of what they were originally designed to hold?

A

Hump like roof profile

May only be able to hold 40% of the load they were originally designed to hold

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7
Q

T or F
For a bowstring truss, failure can occur during the early stages of a fire, and failure of 1 truss element can cause the failure of the whole truss.

A

True

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8
Q

T or F

Both wood and steel trusses tend to fail without warning, making them very dangerous.

A

False
Wood truss will fail without warning, they tend to snap
Steel trusses tend to stretch when losing strength, “spongy”

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9
Q

Unprotected steel open web joist can collapse how fast?

A

5-10 minutes into a fire

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10
Q

The average 50ft steel beam, heated uniformly over its length to 970degrees will extend its length by how long?

A

4”

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11
Q

A 100ft steel beam heated uniformly to 1000degrees will extend its length by how much?

A

9.5”

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12
Q

T or F

Do not cool a heated steel beam with a hose line, this can lead to cracking or breaking.

A

False, do not hesitate to cool a steel beam, it will regain its strength and original size. (If the beam has sagged, then this cooling and shrinking to its original size may pull it off a wall)

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13
Q

T or F

Cast iron columns are unpredictable and fail on average in 30min during fire endurance tests.

A

True

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14
Q

Which is more serious
A-failure of column
B-failure of girder or beam

A

Failure of column is more serious

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15
Q

A heavy body of fire which has been burning out of control for __#__ minutes or more, particularly in a large open floor area is a sign of structural collapse (from taxpayers)

A

20 min

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16
Q

You are the 1st engine at a taxpayer fire and you notice the store on fire is a smoke shop, how does this change your tactics?

A

Consideration should be given to knocking it down from the sidewalk before entry is attempted

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17
Q

What are three warning signs of a backdraft?

A

1- the reversal of smoke, pulling smoke back into a smoke filled area
2-glass windows stained with smoke condensation and pulsating from the pressure of the fire
3-color of smoke (dark black, dirty brown, yellow-brown, gray-yellow)

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18
Q

What are the 4 colors of smoke associated with backdraft?

A

1-dense black
2- dirty brown
3- yellow-brown
4- gray-yellow

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19
Q

What are the 5 factors that influence the severity of a backdraft?

A

1-type of gasses, temperature, pressure, and make up
2- size and location of the areas involved
3-type and size of the openings made by the fire dept
4-proximity of the openings in relation to the fire
5-amount of turbulence in the building caused by wind and hose streams

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20
Q

A room or fire area only requires ___%___ of its space to contain the explosive mixture for the entire area to possibly explode.

A

25%

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21
Q

At a taxpayer fire, all horizontal and initial vertical ventilation must be controlled, communicated, and coordinated by whom?

A

Ladder company officer

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22
Q

When opening up the roof of a taxpayer, how large should the opening be, and should it be close to the fire or remote from it?

A

Opening should be 8’x8’

Should be close to it, remote from the fire may cause fire to spread

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23
Q

At a taxpayer what is the recommended size of the roof cut, and how many saws and how many members are making this cut (if possible)

A

8’x8’ and 2 saws and 4 members

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24
Q

An engine company is asked to use a stream to vent a taxpayer,
1-what nozzle should they use?
2- how big should the spray be?
3-how far back from the opening should they be?

A

1- FT2 tip for fog pattern
2- fog stream should cover the opening
3- stand 4-5ft back from opening

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25
Q

Generally wood joists run how?

Short side or long side of the building

A

Short side

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26
Q

At taxpayer fires in the cellar it is often common to have to cut the floor, where and where not should this cut be made?

A

As close as possible to windows

Away from doors and isles

27
Q

A taxpayer has a bowstring truss, under what fire conditions is it permitted to operate on the truss?

A

Under no circumstances

28
Q

Taxpayer
Which of the following should exterior operations be the primary tactical consideration:
1-fire in a vacant with a bowstring truss
2-advanced fire where the underside of the roof or timber trusses are involved in the fire.

A

Both should be exterior attacks

29
Q

T or f
Newer taxpayers use open web light weight steel joist for the roof structure. Most common is corrugated steel with roof joist spaced 4-6ft apart.

A

True

Do not cut these roofs, use skylights or scuttle covers to vent

30
Q

How do you identify a gypsum roof and what do you do when its observed at a fire?

A

Identified by a white powered when cutting. When observed, stop cutting, notify ic and evacuate the roof.

31
Q

How wide should a trench cut be:
1-up to 3’ wide
2-at least 3’ wide
3- 2-4’ wide

A

2- at least 3ft wide

32
Q 
A trench cut is a cut made the full length between two exterior walls or another fire stop.  Which is not considered a fire stop?
1-chimney
2-shaft
3-bulkhead
4-scuttle
5-all above are firestops
6-none of 1-4
A

5- all are firestops

33
Q

Tower ladder streams are very effective, at a taxpayer fire a properly positioned tower ladder can effectively cover a building with a frontage of ____Ft.

A

100ft

34
Q

At a taxpayer fire, how many portable ladders should be placed and where do they go?

A

Minimum of 2 portables, and they should be placed to indicate the boundaries of the fire building or the divisional walls.

35
Q

What size hose should be Stretched At a taxpayer fire? What is the exception?

A

Stretch a 2 1/2”.
Exception is after the initial attack when the striking power and water capabilities of a 2 1/2” aren’t need a 1 3/4” can be used for subsequent operations

36
Q

T or f

When compatible with fire conditions, a 1 3/4” line can be stretched into the exposures at a taxpayer fire

A

True

37
Q

T or F

At a fire in a taxpayer, Additional lines must go into adjoining stores, do not skip.

A

False, at a fire that is moving rapidly it might be best to skip stores to get ahead of the fire, additional lines will cover the skipped stores.

38
Q

T or F
Once a trench is cut, its best to have the hose line immediately operate into the trench for effective knockdown and to prevent fire travel.

A

False, hose line isn’t to operate into a trench until members below the trench are withdrawn

39
Q

At a taxpayer, there is. An open open interior stair to the basement as well as bilco doors from the sideway to the basement. At a basement fire does it matter which stair the 1st line uses?

A

The 1st line MUST go the the interior stair, and proceed down from there when conditions permit.
(FFP Taxpayers 7.2.2 D)

40
Q

At a fire in a taxpayer cellar, which tactic is the last resort:
A-flood the 1st floor with a stang or tower ladder
B- Cut holes in the 1st floor and use cellar pipe or distributors

A

A- flooding the 1st floor is the last resort for cellar fires in a taxpayer

41
Q

At a cellar fire in a taxpayer, where does the 1st engine stretch their line?

A

Into the occupancy above the fire

42
Q

At a cellar fire in a taxpayer, which engine ensures that the sprinkler system is supplied?

A

The 3rd engine will ensure the sprinkler is supplied if there is a sprinkler. The 1st and 2nd engine companies will do this if conditions and manpower permit.

43
Q

It’s 2pm on a Monday and your the 1st due engine at a fire in a taxpayer, where do you stretch your line?

A

Break the store front window and stretch there, leave the door for the occupants. (This is for store and clock loft fires)

44
Q

For a fire in a cockloft of a taxpayer, where do the 1st 2 lines go?

A

The 1st 2 lines should go into the store that is involved

45
Q

At a taxpayer, where is the life hazard?
1-at the checkout counter
2-The merchandise isles
3- the Rear of the store

A

3- the rear of the store, this is where the office usually is

46
Q

At a fire in the store of a taxpayer, who ensures that the sprinkler system is supplied when there is one?

A

The 3rd engine, 1st and 2nd engines will do this if manpower and conditions permit.

47
Q

At a fire in the cockloft of a taxpayer, where does the 1st engine stretch its line?

A

Into the most serious exposure, when exposures are not an immediate problem then go into the involved store under the fire for extinguishment

48
Q

At a fire in the cockloft of a taxpayer, where does the 2nd line get stretched?

A

Into a different seriously exposed building/occupancy than the 1st line. (Potentially neither the 1st or second line will be under the main body of fire)

49
Q

At a fire in the cockloft of a taxpayer, who ensures that the sprinkler system is supplied?

A

The 3rd engine ensures this, 1st and 2nd will do it if manpower and conditions permit.

50
Q

T or F
At 2 story taxpayers, the second story often does not have a second means of egress, a thorough search MUST be made and all doors MUST be opened.

A

True

51
Q

At a fire in a taxpayer, when will roof access be made via the interior?

A

NEVER

52
Q

At a fire in a taxpayer, who gets preference to the front of the building, a tower ladder or aerial ladder?

A

Tower ladder

53
Q

The basket of a tower ladder can be positioned ___ or ___ ft above the ground and the tower ladder stream and be directed into the stores.

A

1 or 2ft

54
Q

T or F

At a fire in the store of a taxpayer, the cellar MUST always be checked

A

True

55
Q 
At a fire in the cellar of a taxpayer, who is responsible to shut down the utilities?
1-squad/rescue
2-1st ladder
3-additional ladder
4-2nd ladder
A

2- the 1st ladder shuts down utilities

56
Q

At a cellar fire in a taxpayer. The 1st ov has access thru the rear. Should he:
A-find his way to the inside team and search the cellar
B-pay particular attention to the 1st floor rear of the store

A

B pay particular attention 1st floor rear

57
Q

At a fire in the cellar of a taxpayer, where does the 2nd ladder operate?

A

Search adjoining stores and cellar entrances.

58
Q

At a fire in the cellar of a taxpayer, who brings the saw to the roof?
1-1st roof
2- 2nd roof
3- 1st LCC
4- cellar fire don’t need a roof saw unless conditions change

A

2- 2nd roof

59
Q

Where do fires usually originate in taxpayers?

A

The rear of the store, this is usually where the utilities are and storage is.

60
Q

At a taxpayer fire, ventilation of the store by removal of the show window will be done if ordered by who?
1- 1st engine
2- 2nd engine
3- IC

A

IC orders this

61
Q

For a fire in the store of a taxpayer who is responsible for:
A-search the store
B-check the cellar
C-shut down utilities

A

All are responsibilities of the 1st truck

62
Q

T or F
For a fire at a taxpayer, other then the 1st and 2nd trucks, truck should report with 10’ and 12’ hooks along with normal tool compliment.

A

True

63
Q

T or F

A wooden truss roof will sag or get spongey prior to failure.

A

False, wood fails without warning

64
Q

When the engine company is using the fog nozzle for venting, how far back from the opening should they stand?

A

4-5ft

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