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FDNY > Lofts > Flashcards

Lofts Flashcards

1
Q

Lofts. What is an indication of no interior columns?

A

frontage of 25ft or less

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2
Q

Lofts. What is the indication of full sidewalk vaults?

A

Large piece of granite stone covering the sidewalk to the curb line.

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3
Q

Lofts. What are Quoins?

A

Gives the FF visual contrast to discern exp 2+4 AND width of the building.

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4
Q

Lofts. Do freight elevators have Fireman Service?

Will passenger elevators have Fireman Service?

A

NO- may work in manual mode need a operator
Yes
PS not use during INITIAL ops may be used after IC approval for greater movement.

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5
Q

Lofts. Where do u normally find PASSENGER elevators?

PS elevator doors look like apt doors.

A

Normally within a vestibule near the front door.

PS some entered directly from the from the sidewalk.

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6
Q

Lofts. Tell me 3 things that serves the elevator shafts that face the street?

A

Identical to all other windows in the FRONT facade.
Sign “SHAFTWAY” required. Avoid placing ladders in these windows.
NO streams in these windows unless visible fire extending up.

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7
Q

Lofts. Cast iron columns stronger in _____ but weaker in _______.

A

Compression
Tension
PS. Wrought iron strong in BOTH

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8
Q

Lofts. What are the 2 inherent weak links in relation to cast iron columns?

A

Cast improperly.

Not thick enough for the load it supports.

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9
Q

Lofts. Cast iron columns are not designed to with stand, What type of load?

A

Eccentric

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10
Q

Lofts. How are cast iron columns put in place?

A

Bolted to ground may lead to connections with too much play.

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11
Q

Lofts. Columns that are properly cast will be able to take a great amount of _______ stress.

A

thermal

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12
Q

Lofts. Will columns shatter when exposed to fire when cooled by a hoseline?

A

No

PS will if IMPROPERLY CAST can contract disproportionately when cooled.

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13
Q

Lofts. Columns that are subjected to heat for a long period of time can?

A

Fracture and fail.

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14
Q

Lofts. Columns heated at _____ degrees will lose ______ % of its original strength.

A

1100
58%
loss is cumulative and never regained.

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15
Q

Lofts. What happens to iron fibers in columns when heated?

A

Can elongate.

If column can not move it WILL crack.

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16
Q

Lofts. Columns are used to support ______.

A

Girders

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17
Q

Lofts .T/F Columns MUST line up vertically.

A

True

this will create a cast iron shaft.

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18
Q

Lofts. Can the failure of 1 column collapse all columns.

A

Yes collapsing the building

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19
Q

Lofts. What is wrought iron used for?

A

Segmental arch floors over 20 ft.

PS will delaminate and rust at connections. Will elongate and lose strength when heated leading to collapse.

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20
Q

Mill Lofts are made of ______ construction - floors/roofs with ___ exterior load bearing walls.

A

Heavy timber

4

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21
Q

Mill Lofts. What are cast iron wall plates?

A

Walls with built in sockets for floor girders and floor joists.

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22
Q

Mill lofts. Where are the scuppers (drains) located?

A

At the roof and on EACH FLOOR at the base of the wall.

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23
Q

Mill Lofts. The flooring ran which direction?

A

Front to Rear, which is useful for a lost FF.

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24
Q

Mill lofts. Has stairs on exterior walls, What pattern do they come in?

A

Uniform-original construction.

Irregular-put in later to tie in to opposing walls due to age and deterioration.

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25
Q

Lofts. INITIAL hoseline shall be what size?

A

INITIAL IS 2 1/2
U can eventually use 1 3/4.
PS 2 lines up stairs after that use another way.

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26
Q

Lofts. ___ ceilings and large ______ areas can mask high heat conditions.

A

High
UNcompartmented
PS last FF on line monitors conditions also another FF monitors at interior entrance.

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27
Q

Lofts. Where does 2nd line go?

A

It may augment 1st line on fire floor if not needed go above.

28
Q

Lofts. When can the 2nd line go above?

A

1st line making progress and capable of handling fire floor.

29
Q

Lofts. For advanced fires use?

A

Deckgun and use UNTIL no visible fire.

30
Q

Lofts. Who can order the use of a deckpipe?

A

IC this includes the 1st arriving engine officer.

31
Q

In lofts where is the potential for backdraft?

A

Intermediate floors where vertical vent is not possible. This may require to start stream a few steps down and immediately discharge water to break up the gases. SHOULD be coordinated with ext vent.

32
Q

Lofts. Segmental arch floors will ______?

A

Spall violently. Use reach of stream.

33
Q

Lofts. Large areas automatic sprinklers can be supplied by?

A

City mains, gravity tanks and pressure tanks.
PS. SMALL area may NOT have siamese and may be lacking a direct connection to city main sole supply gravity and/or pressure tank.

34
Q

Which type of loft building has only one type of interior stair?

A

Cast-iron

35
Q

Lofts. Cellar and sub cellar. The sprinkler system should be supplied by ?
What about lower/upper floors.

A

1st if staffing and conditions permit.
2nd supply line shall be supplied to feed system.
It does not say who ensures it for cellar/sub cellar.
LOWER floor fires 3rd ensures it but 1st+2nd could stretch if staffing and conditions permit.

36
Q

Lofts. After 2 lines are stretched up to upper floor fires, What should u consider?

A

High-Rise Nozzle

37
Q

Lofts. Residential treat as _____?

Non- residential treat as _____?

A

FPMD’s

HI-RI Office ( initial line 2 1/2 so u can eventually use 1 3/4)

38
Q

Lofts. What floor is the 1st ladder and 2nd ladder responsible for?

A

1st-fire floor

2nd-floor above. could end up on fire fl if dimensions make it impractical

39
Q

What is a negative for ladders at loft buildings?

A

crowned cobble stone streets are found in these areas.

PS improper positioning and tormentor placement have collapsed vaulted side walks.

40
Q

T/F Pediments over windows in loft buildings should be avoided for ladder placement?

A

False

must be

41
Q

Cast-Iron lofts may have up to ____ doorways fronting the street?

A

4

42
Q

T/F In lofts multi-lock commercial steel doors within interior stairs were removed when converted to residential.

A

False
the doors remained
PS floor landings are often small

43
Q

Lofts. Units should/must delay opening the fire fl door if it were to expose occupants or units until __________.

A

should

charged line is in place

44
Q

Lofts. The 2nd ladder officer must notify who when going above?

A

Officers on fire floor

45
Q

Lofts. Indiscriminate overhauling on the underside of segmental arch floors can cause a ________ collapse.

A

localized

46
Q

Mill and cast iron lofts, If the 1st ladder can not make it to sub/cellar who do u contact?

A

IC and 2nd ladder company
!st ladder will stay with 1st hose on the floor above and do search,extension and provide vent. 2nd ladder will provide alt means.

47
Q

Lofts. LCC after ladder duties should take on which task?

A

opening up sidewalk access points in FRONT of building.

PS 2nd due LCC if not needed in front can go to the rear to help OV.

48
Q

Lofts. The 1st OV at sub/cellar fires might have to use an alternate means and communicate what info to the IC?

A

Required manpower and equipment. The 2nd OV should be aware of specialized tools for the rear

49
Q

Lofts. Roof FF choices to the roof?

PS it does not say priority order

A

ACRO- BAR
Adjoining Building
Aerial/Tower
Fire Escape

50
Q

Lofts. Vert vent over _______ being used for attack SHOULD be coordinated with _____ and _____.

A

straight run stairs
Inside team and Engine company Officers
PS notice it does not say ladder officer we see that also with problem with window gates, inside team!

51
Q

Lofts. After roof duties are complete what does the roof FF do?

A

VES upper floors. Communicate their intent.

52
Q

Lofts. At lower floor fires the 2nd ladder should communicate what type of stairs to the IC?

A

straight run stairs

PS for upper floor fires 1st ladder will communicate this info.

53
Q

Lofts. If 2nd LCC is not needed in the front they shall contact their boss. What is a possible subsequent assignment?

A

assist the OV in the rear

PS 1st due LCC would open access points in the sidewalk in FRONT of building.

54
Q

Lofts. T/F The OV always goes to the rear?

A

False

except for assisting the LCC for a immediate life hazard in the front. 2nd OV will reinforce the rear position.

55
Q

Lofts. For top floor fires who will bring the saw to the roof?

A

2nd due roof

56
Q

Lofts horizontal vent of fire apt is controlled by Ladder Officer all other vent is controlled by _____?

A

IC

57
Q

What is crucial in fireproof NON- residential lofts?

A

Air Management.
PS same hazards as HI-RI Office.
Large UN-compartmented areas make it difficult

58
Q

Lofts. Location of ICP will be ?

PS keep in mind radiant heat because it can span long distances.

A

proximity of the building.

PS may have to use Post Radio

59
Q

Lofts. How can u provide vent to sub/cellar fires?

PS rear entrances may provide better access to sub-cellars.

A

Remove deadlights or remove metal frame over sidewalk vault.Opening up of synthetic walls. This can be a access point for cellar pipes etc.
PS this is labor intensive

60
Q

Lofts. Adjoining buildings may be interconnected at sub-grade level.

A

TRUE

61
Q

Lofts. What is a grave danger to FF and occupants?

A

Falling shards of glass.

62
Q

Do Cast iron lofts have a potential to collapse?

A

Yes they pose a catastrophic collapse potential if front and rear supporting GIRDERS are compromised
PS front facade cast iron plating can also collapse.

63
Q

If structural stability of a gravity tank is in doubt, What should u do?

A

Drain tank and divert water off the roof into a drain pipe or opening a standpipe outlet on a lower floor.

64
Q

What is a drawback of using LCS at loft buildings?

A

If a brick wall is held together by sand lime mortar.

Avoid striking columns with LCS the floor can collapse with the failure of 1 column

65
Q

Loft. What piece of info is especially important to denote in CIDS?

A

multiple street fronts

66
Q

Lofts info from Jimmy D slide and also engine/ladder ops.

6.1 to the end.

A

I did not do construction

67
Q

Gravity tanks could contain up to _____ gallons.

What type of load is this?

A

20,000

Live- Loads

FDNY (103 decks)

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