Ch 18 pg 468-473
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Questions and Answers

Where smoke is reported on several floors get off __ floors below the lowest reported. Make sure you know what floors contain ____ stairs

Two, access

If the fire is within _ floors of the elevator lobby or sky lobby walk up

8

Ensure that each unit that enters a elevator has its ___ number, unit and ____ recorded by a ff who is designated ____ control

Car, destination, lobby

Each team that enter an elevator should have forcible entry tools and a ____ radio as well as have their SCBA turned ___

<p>Portable, on</p> Signup and view all the answers

Upon entering a car immediately hit the ____ button to eliminate any selections previously made

<p>Call cancel</p> Signup and view all the answers

Use only firefighter ____ elevators which are placed in proper operation by a key or other secure means

<p>Service</p> Signup and view all the answers

The most important point to make about ff service elevators are that they are not ____, totally safe devices

<p>Fireproof</p> Signup and view all the answers

____ or service elevators don’t make good elevators to use since they usually serve every floor

<p>Freight</p> Signup and view all the answers

A large number of serious fires start in accumulated _____ in freight elevator lobbies

<p>Rubbish</p> Signup and view all the answers

As soon as the car begins to move from the lobby, press the ____ stop button

<p>Emergency</p> Signup and view all the answers

The trip up to the two floors below fire floor should consist of stops every __ floors

<p>5</p> Signup and view all the answers

Stopping every 5 floors allows you to verify the elevator is still responding and it allows you to step out and verify the location of the nearest ____ stairway

<p>Exit</p> Signup and view all the answers

If there is smoke on the floor descend __ floors and try again

<p>Two</p> Signup and view all the answers

If the hall is clear ensure you can get into the ____ before everyone exits the elevator

<p>Stairway</p> Signup and view all the answers

Don’t stand inside the car doors to hold it open, lay a length of ___ or have a member remain in the car holding the door ____ button

<p>Hose, open</p> Signup and view all the answers

A member must remain with the elevator at all times because it only responds to door open from within the elevator this members title is nicknamed ____

<p>Otis</p> Signup and view all the answers

The personnel of Atleast ___ ladder companies are needed on the fire floor and ___ truck company on the floor above to preform search and rescue and check for extension

<p>Two, one</p> Signup and view all the answers

For fires with open ceiling space and a bunch of partitions below a 2 1/2 in line with a ____ solid tip is the preferred hoseline

<p>1 1/4</p> Signup and view all the answers

NFPA 14, 2016 edition states that fire pumps are only required to discharge their capacity at __ psi at the highest hose outlet and a max of ___ psi. The old standard allowed for as little as ___ psi at the top floor outlet prior to 1993

<p>100, 175,65</p> Signup and view all the answers

The standard class a pumper is rated to deliver ___ of its capacity at ___ psi

<p>One half, 250</p> Signup and view all the answers

You need a nozzle that can put out an effective fire stream (___gpm) at as low as __ psi nozzle pressure (the 1 1/4 solid tip)

<p>290, 40</p> Signup and view all the answers

Many lightweight master stream devices can be carried by __ member up __ flights

<p>One, 30</p> Signup and view all the answers

One of the problems with lightweight master stream devices is their tendency to kick back when the stream angle is lowered to ____ degrees which is necessary for 8-9ft ceilings

<p>15-20</p> Signup and view all the answers

The first method to securing these master stream devices is with two steel handled _____ hooks to span a door opening

<p>Halligan</p> Signup and view all the answers

You can deploy upward of ___ gpm with these lightweight master stream devices applied from the door of the fire stairs or door to the office area

<p>700</p> Signup and view all the answers

It’s best to supply these portable monitor devices with ___ 2 1/2 in or larger lines. That means the second line will have to be stretched from the outlet __ floors below the fire. In this test that meant __ lengths of hose. This permitted up to 750gpm

<p>Two, two ,four</p> Signup and view all the answers

Rescue 1 fastens two __ in shanks x _ in deep x 3/8 diameter threaded powder driven studs using a .38 cal powder driven actuated fastener. Secured with the devices ___, utility rope or tubular nylon webbing

<p>1/4 2 Chain</p> Signup and view all the answers

This fastening method used is designed to provide 4,360lb of resistance in the ___ mode. This provides a ___ safety factor against the ___ lbs of nozzle reaction produced by a 1 3/4 tip flowing at 80psi

<p>Shear, 10:1, 385</p> Signup and view all the answers

Core construction can provide floor spaces in excess of _____ square feet per floor

<p>30,000</p> Signup and view all the answers

Prior to 1993 NFPA only required a standpipe system to supply a max of ____ gpm. In the revision that number was lowered to ___ gpm

<p>2500, 1250</p> Signup and view all the answers

You can use a ____ core drill or concrete cuttting ____ as a last resort to get water on fire from safe areas in an otherwise untenable area

<p>Concrete, chainsaw</p> Signup and view all the answers

The floor below nozzle only provides ___ to ____ gpm

<p>150, 180</p> Signup and view all the answers

The concrete core drill is a diamond tipped drill that can bore holes up to ___ in diameter

<p>8</p> Signup and view all the answers

There are two styles of the concrete core drill one is _____ and the other is ____ driven, which only drills __ in holes which are to small to pass a 2 1/2 in Bresnan or other distributer

<p>Electric, gasoline</p> Signup and view all the answers

Both models require pump tank of water to cool bits, normally they are held in place with powder activated fastener and using ____nuts to hold the drill

<p>Wing</p> Signup and view all the answers

A __ in hole is large enough for a ____ or cellar pipe

<p>5, distributer</p> Signup and view all the answers

A 2 1/2 in bresnan distributer operating at ___ psi flows ___ gpm and covers a 20-25ft radius pg 473

<p>100, 485</p> Signup and view all the answers

The drilling of a ___ in floor can be done in 5 minutes

<p>6</p> Signup and view all the answers

According to John t o Hagans book high rise fire and life safety, areas in excess of ____ square ft of a moderately fuel loaded area diminish the possibility of success through a direct attack

<p>3000</p> Signup and view all the answers

Atleast one manufacturer makes a cellar pipe that will pass through a 4 in hole that will flow ___ gpm

<p>700</p> Signup and view all the answers

Flashcards

Fire floor descent

When smoke is reported on multiple floors, descend to two floors below the lowest reported smoke.

Elevator access

Use service elevators, not freight or residential elevators, for firefighter use.

Elevator lobby safety

Freight elevator lobbies are prone to fire hazards due to accumulated rubbish.

Elevator entry procedure

Hit the "Call Cancel" button upon entry to clear any previous selections.

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Elevator Security

Ensure each elevator unit records car number, unit, and destination. A firefighter should have designated lobby control.

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Emergency Stop

Press the "Emergency Stop" button as soon as the elevator moves.

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Elevator control

A firefighter is designated to control elevator access and movement in an emergency.

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Elevator verification

Elevator stops should be every five floors to ensure proper response and verify nearest exit stairway location.

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Smoke condition

If smoke is encountered, descend two floors and try again.

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Safe hall access

If the hall is clear, ensure access to the stairway prior to everyone exiting the elevator.

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Door security

Use hose or designate a member to hold the "Open" button to prevent door closure.

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Elevator Operator

A firefighter must remain with the elevator to ensure proper response and prevent accidental closure.

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Ladder Companies

At least two ladder companies are required on the fire floor, and one truck company on the floor above for search and rescue.

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Hoseline Selection

For fires with open ceiling space and partitions, use a 1¼-inch solid tip hoseline.

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Fire Pump Pressure

NFPA 14, 2016 requires fire pumps to discharge at 100 psi max at the highest hose outlet with a max 175 psi.

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Standard Pumper Capacity

A standard class A pumper is rated to deliver one-half of its capacity at 250 psi.

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Nozzle Pressure

A nozzle is required to produce an effective fire stream (290 gpm) at low nozzle pressure (40 psi).

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Master Stream Devices

Lightweight master stream devices may be carried by one member up to 30 flights.

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Master Stream Device Issues

Master stream devices may have kickback at low angles (15-20 degrees), which is required for 8-9 ft ceilings.

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Master Stream Device Secured

Secure master stream devices with Halligan hooks for spanning door openings.

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Master Stream Flow

Lightweight master stream devices can provide upward of 700 gpm.

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Secondary Hose Line

Supply portable monitors with two 2½-inch or larger lines from two floors below. In the test, four lengths of hose were used.

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Rescue fastening

Rescue 1 fastens two chain-in shanks using powder-driven studs.

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Fastening Method strength

This fastening method provides 4,360lbs of resistance in shear mode for 10:1 safety factor against nozzle reaction (385lbs).

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Floor Space

Core construction can provide floor spaces in excess of 30,000 sq ft.

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Standpipe Standard

Pre-1993 NFPA standpipe systems required a max of 2500 gpm with 1250 gpm minimums.

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Drill Method/Types

A concrete core drill and concrete cutting chainsaw can breach floors to deliver water.

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Floor below nozzle capacity

A floor below the nozzle provides 150-180 gpm of water pressure.

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