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FDNYColgan > Engine Ops > Flashcards

Engine Ops Flashcards

1
Q

First hoseline placement

A

Generally, the purpose of the first hoseline is to extinguish the main body of fire
Place the First Line to attack the main body of the fire, while also protecting the primary egress.

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2
Q

When can the first hoseline be operated from the exterior

A

When fire is actively endangering evacuating civilians at windows or fire escapes and immediate application of water is needed to protect them.

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3
Q

2nd hoseline placement options

A

Backup the first hoseline
Address extending fire - vertical or horizontal extension
Attack main body of fire form alternate access point
Protect a life hazard from fire

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4
Q

When operating from the street, how should you operate your hose?

A

At a steep angle, hit the ceiling, and keep the stream stationary

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5
Q

Second Engine may operate a second hoseline, if all of the following conditions exist

A

1st engine has positive water - 2nd Officer CAN communicate with 1st ECC to confirm
1st Engine does not need help - 2nd Officer MUST confirm this with 1st Engine Boss
Hose Stretch is short
There is an immediate need for 2nd line to address fire extension or life hazard

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6
Q

What 5 situations is 1 3/4” hoseline not appropriate for?

A

Advanced fire conditions
Purely defensive positions
Large uncompatmented area - generally, an area over 50 feet wide is large
Unknown size or extent of fire area
Standpipe operations
Taxpayers

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7
Q

Commercial Occupancies

A

Taxpayers always require 2 1/2” hose.
Other Commercial occupancies, like a store in a MD/mixed occupancy don’t mandate 2 1/2”

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8
Q

When there are multiple stairways in a fire building

A

Engine officer should select stairway that provides most efficient stretch and attack
Bases this decision on type occupancy, existing conditions, communication with ladder officer
Once selected - Engine Officer notifies IC of attack stair identity

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9
Q

Miscellaneous Key points

A

No more than two hose lines should be stretched up a stairway
Getting the first line into operation is the primary tactical concern
Second arriving engine will typically team up with first arriving engine
The IC (Chief or ABC) can order second engine to stretch a line in any situation
3rd arriving engine should only stretch a 3rd hoseline when ordered by the IC
A second dry line should not be stretched into a building until the first line is charged with water

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10
Q

Priority order for stretching lines

A

Interior stairs
Rope stretch
Fire escape
Portable Ladder
Aerial Ladder

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11
Q

Exterior water application may be necessary if

A

Fire blocks building entry
Delayed forcible entry to the building
Delayed forcible entry to fire area
No progress by interior line
Wind-impacted fire
Advanced cellar fire
Trapped occupants or member
Exterior fire between buildings

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12
Q

If exterior fire is between 2 buildings AND it’s unclear which of the two is the fire building

A

First hoseline may need to be operated from the exterior
Hitting the highest point of the fire first
Move the stream down to the fires base to determine which building (if any) the fire is extending

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13
Q

When operating an exterior stream

A

Notify members inside building/ position them to a safe area prior
Operate stream at steep angle by placing members as close to the structure as possible
Aim the stream towards the ceiling
Open the nozzle fully - this creates a tight stream and minimizes air entrainment
After hitting ceiling, move the stream upward toward top of window ( the lintel) and operate for a few seconds off the lintel. This ensures greater coverage of the room
Use stream only as long a necessary to visually see improvement- normally 10 seconds

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14
Q

For an exterior stream, remember- SSSS

A

Solid bore stream - fully open
Steady stream - no circular or whipping motion
Steep angle
Sprinkler effect

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15
Q

Long bleed is necessary for

A

Standpipe operations
2 1/2” hoseline stretched

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16
Q

Touch signal for open or close nozzle

A

1 or 2 slaps on the back or shoulder

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17
Q

Touch signal for direction of stream

A

Tug on arm or nozzle, either left or right

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18
Q

Touch signal for advance hoseline

A

Steady push on back or SCBA

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19
Q

Touch signal for emergency withdrawal

A

4 slaps on the shoulder and pull in retreat direction

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20
Q

Touch signal for stop line advance

A

Pull back on shoulder, bunker coat, or SCBA

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21
Q

Cellar Fires

A

Need sufficient hose at top to ensure line advanced to bottom of stairs without delay
Flames visible from top of stairs knock down fire, then quickly advance to bottom
At advanced cellar fires in a NFP, frequently safer and more efficient to initially attack the fire using an exterior entrance
This now includes OLT cellar fires

22
Q

After final extinguishment

A

Engine officer may order a fog or broken stream directed out of a window in the fire area
Broken stream is produced by removing MST and partially shutting down control handle

23
Q

Buildings with sprinklers

A

3 rd engine is responsible to ensure supply line stretched and connected to FDC
Inform IC when this is completed
Only supply FDC on orders of the IC

24
Q

Officer position during a fire attack

A

As close as possible to the Nozzle FF without getting between Nozzle and Backup

25
Q

Officer position in an open space or wide hallway

A

Directly alongside

26
Q

Officer position in a marrow hallway, or any cluttered, crowded space

A

IFO of Nozzle FF, or preferably, behind the backup FF

27
Q

1 3/4 hoseline with 15/16” tip

A

180 GPM
50 psi at tip
68 lbs nozzle reaction

28
Q

2 1/2” hoseline with 1 1/8” tip - flows 235 GPM

A

40psi at tip
78 lbs nozzle reaction

29
Q

2 1/2 “ hoseline with 1 1/8” tip 265 GPM flow

A

50 psi at tip
98 lbs nozzle reaction
Used when 40 psi is insufficient

30
Q

Combination nozzle

A

Two piece system that allows for the use of either a high-rise nozzle attachment or a cockloft nozzle attachment to a single base pipe section
Comprised of three different components: base pipe, high rise nozzle tip, and the cockloft nozzle tip

31
Q

Cockloft nozzle tip

A

Each bend terminates with a 15/16” MST and 1/2” OST. The two 1/2” OSTs are NOT to be removed, these tips increase the reach of the stream in excess of 60 feet.

32
Q

Is the original one-piece high rise nozzle still in service?

A

Yes! Companies with the combination nozzle continue to carry the one-piece high rise nozzle so that non-trained members may use it.
Engine companies not trained. I the use of the combination nozzle should continue using the conventional high rise nozzle or cockloft nozzle as required

33
Q

In line pressure gauge red digital display shows

A

Pressure in PSI

34
Q

In-Line Presure Gauge High Pressure warning

A

Red display flashes “Hi-P” when pressure exceeds 200 PSI

35
Q

In line pressure gauge blue digital display

A

Water flow in GPM

36
Q

In line pressure gauge high flow warning

A

Blue display flashes “HI-P” flow exceeds 250 GPM

37
Q

In line pressure gauge Low flow warning

A

Blue display flashes “LO-F” when flow is less than 80 GPM

38
Q

In Line pressure gauge no water flow for 15 minutes

A

Goes into sleep mode and automatically restarts when water flows

39
Q

In line pressure gauge no water flow for 30 minutes

A

Powers off automatically and must be manually restarted

40
Q

Brennan Distributor

A

Attaches to a hoseline to distribute water in a 360 degree pattern
Designed to be used remotely in a fire that cannot be accessed
Generally, used for fires below grade, such as cellar fires
When supplied with 50 psi it will deliver 250 GPM
Supplied with 2 1/2” hose. A shut-off should be placed one length from the distributor, allowing flow to be controlled
It should be lowered into fire area via an opening and the shut off opened to begin water flow
It is lowered until it hits the floor, and then raised several feet to position for optimal distribution

41
Q

What defects found on a hose means that one will immediately place it OOS?

A

Burns
Abrasions
Rot
Couplings Damaged

42
Q

Class I outlet

A

2 1/2” outlets designed to be used by the Fire Department only. In NYC nearly all standpipe systems are Class I

43
Q

Class II standpipe

A

1 1/2” outlets designed to be used by trained , no Fire Department personnel. Not compliant with NYC building code and should not exist in NYC

44
Q

Class III standpipe

A

Both 2 1/2” and 1 1/2” outlets and designed to be used by both the Fire department and trained non-Fire department personnel. In several older occupancies, Class III systems may still exist.

45
Q

OS&Y (Outside Stem & Yoke)

A

Can be located at various points in the system and can be used to shut down water supply to a section of the standpipe.They often can be located in a cabinet below the standpipe outlet. If the valve is open, the stem will be visible outside the attached wheel. If closed, the stem is not visible. They may also be called a Riser Control Valve or Isolation Valve

46
Q

Post Indicator Valves

A

Exists in Interconnected Building Systems and are used to isolate a building from the rest of the system.They are painted red and are generally located outside and in close proximity to the building.When open, the word “OPEN” should be visible on the face of the valve. If closed the word CLOSED should be visible.

47
Q

Gravity Tank

A

Uses the force of gravity to supply water pressure to a standpipe system. To work properly, the gravity tank needs to be located a distance above the highest outlet, so they are commonly located above roof level. In an interconnected building complex, a single gravity tank may supply the system for the entire complex. In larger high- rise buildings with low and high zone systems (such as mega high rises) it is possible for additional gravity tanks to be found inside the building

48
Q

PressureReducing Device (PRD)

A

Is installed at the standpipe outlet for the purpose of reducing the water pressure. PRDs are removable and adjustable.

49
Q

Pressure Reducing Valve (PRV)

A

Is permanently attached to a standpipe outlet for the purpose of reducing the water pressure flowing from the outlet. PRVs are not removable and cannot be adjusted.

50
Q

Roof manifold

A

may be used by fire companies to supply a hoseline at the roof level

FDNYColgan (26 decks)

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