Taxpayers

Question 0

What is the size of the area requiring sprinklers according to:
1938 building code?
1968?
2008 mercantile?
--Occupancy within the building?

Answer 0

38: exceeding 10,000 sq ft
68: exceeding 7,500 sq ft
08m: full building area exceeding 12,000 sq ft OR the combined area on all floors including mez exceeds 24k
-rack storage or high piled
Within building: exceeding 7,500 sq ft,
3 story above grade, in a hirise, unenclosed stair/escalator

Question 1

I’m most cases a taxpayer constructed from [~1900-1920] [1920-1960] the cornice will not allow access to the cockloft

Answer 1

1920-1960

Question 2

What is the size of the cockloft in a taxpayer?

Answer 2

A few inches to more than six feet

Question 3

Updated calculations say bowstring truss roofs may only support _____% of the load they were originally designed for.

Answer 3

40

Question 4

_______ truss fails without warning.

A. Wood
B. Steel

Answer 4

Wood tends to snap

Steel tends to stretch

Question 5

Open web steel joists have little fire resistance rating.

T/F

Answer 5

False no fire rating

Fire rating depends on the ceiling finish and finish roofing

Question 6

Unprotected open web steel joists may fail in ____ to ____ minutes in a fire.

Answer 6

5 to 10 min

Question 7

At 970F 50 ft long steel beam will extend ~____inches

1000F a 100 ft long steel beam will extend ~____inches

Answer 7

4

9 1/2

Question 8

The masonry walls of a taxpayer are very much dependent on the stability of the__a,b,c, or d__.

A. The adjacent wall
B. The opposite wall
C. The roof
D. Parapet

Answer 8

C

Question 9

A cast iron column fails on average in how long in a fire endurance test?

A. 30 min
B. 60 min
C. 90 min
D. 120 min

Answer 9

A

Question 10

Heavy body of fire in a taxpayer burning out if control for ____minutes is a warning sign for collapse

Answer 10

20 minutes

Also 20 minutes: inability to make successful headway-collapse hazard

Question 11

Dense black smoke indicates the lack of oxygen and large quantities of free carbon and CO gas. What are 3 other colors associated with a backdraft?

Answer 11

Dirty brown
Yellow brown
Gray yellow

Question 12

Concerning backdraft, a room only requires ____% of it’s space to contain the explosive mixture for the entire area to possibly explode.

A. 5 B. 10 C. 15 D. 25

Answer 12

D

Question 13

The immediate ventilation and cutting of an effective size hole on the roof calls for ____ saw(s) and ____ members on the roof.

Answer 13

2 saws 4 members

Roof sector supervisor must supervise roof ops when more than 1 saw is working on the roof

Question 14

Although not as effective what is an alternative to roof venting when there is the risk of a backdraft?a,b,c or d

A. Taking the front windows
B. Opening the rear exit if present
C. The use of a hose stream
D. None of the above

Answer 14

C

Question 15

At taxpayer fires nothing affects the outcome of the operation as much as ________. (One word)

Answer 15

Ventilation

Question 16

Under no circumstances shall any member operate on the roof of any building involved in a content or structural fire with a wooden, metal or combination bowstring truss design.
T/F

Answer 16

True

Question 17

The width of a trench cut should be at least ____feet wide.

Answer 17

3

Question 18

What two ways can be used to asses if the fire has involved the truss space?a,b,c or d

A. Inspection hole cut by member standing on the roof
B. TIC
C. Inspect from the roof of the exposure
D. Triangle cut in sloping hip section from TL bucket (front or rear)
E. Overhaul from interior

Answer 18

B & D

Question 19

When a large taxpayer roof is involved in a serious cockloft fire emphasis should be placed on___________.

A. Ventilation holes
B. Trench cut
C. Both

Answer 19

A

Question 20

A properly positioned TL can cover a building with a frontage of ____ feet.

Answer 20

100

Question 21

A minimum of _____ portable ladders shall be placed in front of the buildings.

Answer 21

2

Question 22

A hose line may not be operated into a trench cut.

T/F

Answer 22

False

Operated properly it may confine the fire(with delayed entry or if unable to pull ceilings)

Question 23

Which arriving eng co ensures the sprinkler system is supplied at a cellar fire in a taxpayer?

1st. 2nd. 3rd. 4th.

Answer 23

3rd

Question 24

In a taxpayer cellar fire the 1st arriving eng co stretches the first line where? a,b,c, or d A. Cellar to extinguish fire B. Occupancy above fire to prevent vertical extension C. Outside exterior cellar entrance D. As per IC

Answer 24

B

Question 25

At a store fire in a taxpayer the 3rd arriving eng co will ensure the sprinkler system is supplied. Where will they stretch a line once this is accomplished? A. Exposure B. BU 1st line C. Rear of store D. As per IC

Answer 25

D

Question 26

3rd arriving engine at a cockloft fire in a taxpayer will ensure the sprinkler is supplied and then operate as per the IC. T/F

Answer 26

True

Question 27

Eng 83 arrives at a taxpayer fire with the cockloft involved. It is not extending to either exposure. Where will they stretch their first handling?a, b, c, or d A. Under main body of fire B. The exposure most likely to become involved in the fire C. Operate into a trench cut D. Roof of the exposure

Answer 27

A If exposure is a problem to the most serious exposure

Question 28

L29 arrives at a fire in a taxpayer. Smoke is showing in stores on both the exp 2 and 4 side. The inside team experiences high heat but cannot find any flames. L29 officer should suspect a fire where? A. Cockloft B. In the store C. Cellar

Answer 28

C

Question 29

At minor fires in a store there is no need to cut the locks and check the cellar in order to avoid further property damage. T/F

Answer 29

False | Cellars must always be checked

Question 31

Where does the first due truck FE team go at a cellar fire in a taxpayer. a,b,c, or d A. Exposure B. Cellar to find the fire C. Store occupancy above fire D. Find a rear entrance to the cellar

Answer 31

C Force entry as required at store entrance and cellar entrance

Question 32

``` Who shuts down the utilities at a cellar fire in a taxpayer? a,b,c or d A. 1st due inside team B. 2nd due inside team C. 1st due OV D. 2nd due OV ```

Answer 32

A

Question 32

For cellar fires in a taxpayer, If 1st or 2nd due truck is an aerial the LCC will join the FE team if not otherwise directed. T/F

Answer 32

True

Question 33

Where does second due truck FE team go at a cellar fire in a taxpayer? a, b, c or d A. Adjacent stores and cellar entrances B. First floor of fire building C. Cellar of fire building D. Find and shut down utilities

Answer 33

A

Question 34

1st to arrive truck will shut off gas and electric at a store fire in a taxpayer. T/F

Answer 34

True

Question 35

For store or cockloft fire at a taxpayer the removal of the front window shall be done if ordered by ________. A. Lad off in fire area B. Eng off stretching a line in that area C. 1st arriving lad off D. IC

Answer 35

D for a cellar fire the 1st due FE team coordinates with their officer when taking windows in the store

Question 36

If there is only one saw and the FE team needs it to force entry and the roof ff needs it for roof ventilation, what will the saw initially be used for? (Taxpayer fire)

Answer 36

Forcing entry

Question 37

What saw blade do we use for cutting security doors?

Answer 37

Aluminum oxide

Question 38

``` If a store fire extends to the cockloft and the 1st truck is an aerial who should proceed to the roof to assist 1st due roof ff? (Taxpayer) a, b, c or d A. 1st OV B. 1st LCC C. 2nd LCC D. 1 member from 2nd inside team ```

Answer 38

B 2nd due OV may proceed to the roof if directed

Question 39

The maul and halligan are reccomended for the OV at a taxpayer fire. T/F

Answer 39

False | Halligan and maul required

Question 40

When the roof man is taking the saw to the roof what MUST also be taken A. Axe B. Hook C. Halligan D. Maul

Answer 40

B Members going to the roof subsequently should bring axe or iron with the saw if available

Question 41

In a taxpayer a very large hall on the second floor may mean roof girders and a deep cockloft. T/F

Answer 41

True

Question 42

What is probably the most important factor in dealing successfully with taxpayer fires?

Answer 42

Knowledge of construction features