Loft Buildings

Question 1

A loft building with a frontage of 25 feet or less will:

A. have interior columns
B. not have interior columns

Answer 1

B. will not

Question 2

These will provide FF with visual contrast to discern exposure 2,4 and the width of the building.[LOFTS]

A. windows
B. roof line
C. vault
D. quoins

Answer 2

D

Question 3

What does a large piece of granite stone covering the sidewalk to the curb line indicate?[LOFTS]

Answer 3

full sidewalk vault

Question 4

When should freight elevators(no fireman service) be used during fire ops in a loft building?

A. initial opsB.
IC’s approval
C. when the fire location is confirmed
D. when the fire is knocked down

Answer 4

B. ICelevator doors often look like apt doors

Question 5

In a loft, a window serving an elevator shaft facing the street will be identified be:

A. its smaller size
B. its different shape
C. elevator sign
D. shaftway sign

Answer 5

D. shaft sign

avoid laddering

Question 6

At a loft fire never operate a stream into a shaft window.

T/F

Answer 6

false

do not unless visible fire is extending up the shaft

Question 7

which is an incorrect statement about cast iron columns?

A. weak in compression
B. weak in tension
C. possible weakness due to being cast improperly
D. may not be thick enough to support its load

Answer 7

A.

cast iron is strong in compression

Question 8

A______column is 20% stronger than a ______ column.square/roundwhich column were reserved for upper floors and which were reserved for lower floors?[LOFTS]

Answer 8

square 20% stronger than round

square lower—–round upper

Question 9

It is a myth that when a cast iron column is exposed to fire then cooled by a hoseline it will shatter but if improperly cast can contract disproportionately when cooled by a line.[LOFTS]
T/F

Answer 9

true

if they are properly cast they can withstand a great deal of thermal stress

Question 10

subjected to heat for a long period of time cast iron columns can fracture and fail. At 1100 degrees it will lose ___% of its strength[LOFTS]

Answer 10

58

Question 11

when a cast iron column is cooled it will regain 40% of the strength lost.[LOFTS]
T/F

Answer 11

false

never regained. strength loss is cumlatitive

Question 12

Iron fibers can elongate or extend column if heated. this can result in:[LOFTS]

A. column unable to move will crack
B. column will bend and eventually buckle
C. cause the floor above to spall
D. explode violently killing everyone within 1500 feet

Answer 12

A.

Question 13

If interior columns are used to support girders they must line up vertically creating a cast iron shaft. Failure of a single column can collapse all columns collapsing the building.T/F

Answer 13

true

Question 14

wrought iron is [strong/weak] in compression and [strong/weak] in tension.[LOFTS]

Answer 14

strong—-strong

Question 15

which is incorrect about wrought iron?
[LOFTS]

A. used for segmental arch floors over 20 feet
B.will delaminate and rust at connections
C. inferior to cast iron as a horizontal support member(girders/beams/lintels)
D.will elongate and lose strength when heated

Answer 15

C.

strong in tension so it became a logical substitute for cast iron horizontal supports in the mid 19th century

Question 16

Mill lofts are of heavy timber construction(both floors and roof).
These buildings have [2/4] load bearing walls.

Answer 16

2

Question 17

With a truss roof in a mill loft vertical ventilation is generally limited to opening up skylights and stair bulkhead doors.T/F

Answer 17

true

Question 18

If a firefighter finds himself lost in a mill loft building and realizes he is crawling around on the original hardwood flooring he should know it runs_________________

A. front to rear
B. side to side

Answer 18

A. front to rear

just call a fucking mayday

Question 19

Stars(reinforcing plates) on a mill loft building ina uniform pattern__________an Irregular pattern__________(choose one below)
mean part of original construction
OR
put in later to tie in opposing walls due to age and deterioration

Answer 19

uniform——–original

irregular——–later for age/deterioration

Question 20

In cast iron, mill and fireproof loft buildings the initial hoseline shall be:

A. 1 3/4
B. 2 1/2
C. Depends on conditions

Answer 20

B

Question 21

In cast iron and mill loft buildings:

1. the 1st truck inside team is responsible for VEIS of____________.
2. the 2nd truck inside team is responsible for VEIS of___________.

Answer 21

1. fire floor

2. floors above

Question 22

In cast iron and mill loft buildings if straight run stairs are encountered who will notify the IC [1st or 2nd ladder] at:
lower floor fires_________
upper floor fires_________

Answer 22

lower floor 2nd ladder

upper floor 1st ladder

Question 23

At cast iron and mill loft buildings lower or upper floor fires the 1st OV’s primary position will be the ________. The second OV will reinforce this position.

A. front (no life hazard in front)
B. rear
C. exposures 2 or 4
D. roof

Answer 23

B.

exception is helping LCC with life hazard

Question 24

At a top floor fire in cast iron or mill loft billings who’s assignment is bringing a saw to the roof?

Answer 24

2nd roofman

no other tools/equipment mentioned for roof ff
-access to roof can be adjoining, aerial or TL, Fire escape

Question 25

The 1st ladder at a cast iron or mill loft building (sub)cellar fire will gain access to the fire area via the___________. If conditions prevent access to the (sub)cellar by this way communicate this to the IC and and 2nd ladder company who will gain access via alternate means with the second hoseline. This will be communicated and coordinated with the IC.

Answer 25

interior stairs the first ladder co will remain with the first hoseline on the floor above the fire searching for life, fire extension, and providing ventilation.

Question 26

1. At cast iron and mill loft buildings fires below grade may require alternative means of access for hose line placement. What member of the 1st or 2nd truck will communicate this possibility to the IC along with the required man power and equipment needed to achieve this objective to the IC? 2. Which member of the 1st or 2nd truck should be aware of the need for specialized FE tools and equipment in the rear?

Answer 26

1. 1st OV | 2. 2nd OV

Question 27

The roof FFs at mill and cast iron loft building fires will coordinate the vertical ventilation of straight run stairs being used for attack with____________. A. inside team B. IC and truck officer in fire area C. inside team and engine co. officers D. engine co. officers

Answer 27

C

Question 28

``` In fireproof residential loft buildings Lad co and eng co ops shall be conducted in accordance with FFP MD fires class A FPMD fires. T/F ```

Answer 28

true non residential have many of the same hazards as high-rise office buildings. no lad co. ops mentioned eng co. ops mention emphasis on a few things including positioning for deckpipe or TL

Question 29

In cast iron and mill loft buildings, after ____ lines have been stretched up a stairway, additional lines should be stretched via alternate stairways(if available), exterior rope stretches, or fire escapes. Interconnected buildings may also provide access.

Answer 29

two

Question 30

At a cast iron or mill loft building the use of LCS can only be authorized by the IC. The 1st due engine officer shows up to a fully involved mill loft building and immediately hooks up to a TL and operates before the BC arrives. Do you agree or disagree with this action?

Answer 30

agree IC includes the 1st eng off

Question 31

If high heat is felt through members gear and there is a segmental arch floor directly overhead. In this situation it is ok to operate the line straight up in the air. T/F

Answer 31

False segmental arch floors exposed to fire can spall violently and possibly fail when struck by from a hose line below. Use the reach of the stream and do not operate the stream directly overhead.

Question 32

In cast iron and mill loft building (sub)cellar fire the first eng co should stretch the 1st hoseline via: A. entrance allowing quickest access B. interior

Answer 32

B. if conditions prevent advancing down the interior stairs notify the IC and remain at this position to prevent upward extension.

Question 33

In cast iron and mill loft building (sub)cellar fires protected by a sprinkler system servicing the fire area if the first eng co has not supplied it who will?

Answer 33

2nd eng--shall assist 1st with 1st line and supply sprinkler no mention of 3rd due ensuring sprinkler being supplied 3rd and 4th stretch second line

Question 34

In cast iron and mill loft buildings, all hoseline commitment and coordination shall be communicated to the IC/sector supervisor.T/F

Answer 34

true

Question 35

In cast iron and mill loft building fires on upper and lower floor fires the 2nd due engine co ensures sprinkler system is supplied. T/F

Answer 35

false ---3rd due 3rd & 4th eng stretch 2nd line and operate as per IC

Question 36

Which is incorrect about the weakness or possible weakness of a cast iron column? A. May be improperly cast B. May not be thick enough for the load it supports C. Even if properly cast will not withstand a great deal of thermal stress D. Not designed to withstand eccentric loads E. Being bolted into position may lead to connections with too much play

Answer 36

C. They will withstand a great deal of thermal stress

Question 37

In a loft building passenger elevators will have fireman service. Normally they will be located within a vestibule near the front door. Some enter directly from the sidewalk. Doors often look like apt entrance doors. T/F

Answer 37

true

Question 38

In a loft building freight elevators can be used during initial ops if they provide the quickest access to the fire. They have no fireman service. T/F

Answer 38

False | not used during initial ops. May be used after IC approval for greater movement.