BOOK 100 HIGH RISE MANUAL CHAPTER 5 FIRE EXTINGUISHMENT

Question 1

The problems you routinely face in fire suppression operations will be compounded in a high-rise structure. These buildings may well exceed ____ floors in height and contain their own environment, sealed off from the outside atmosphere.

Answer 1

50

Question 2

he objective of the fire suppression efforts will be to ______, _______, and ________ the fire.

Answer 2

;locate confine and extinguish

Question 3

Our preparation to extinguish a high-rise fire begins long before the alarm sounds. We start developing _______________________________ to identify specific responsibilities of each company member.

Answer 3

standard operating guidelines

Question 4

what involves a working knowledge of the specific buildings in our respective districts.

Answer 4

pre-planning

Question 5

_________________________is also part of pre-planning for a high-rise fire. Firefighting is tough, demanding work.

Answer 5

physical conditioning

Question 6

We should not forget the tools that we use to achieve our objectives. Pre-planning involves a thorough knowledge of our ________ and the ability to use it effectively.

Answer 6

equipment

Question 7

The preliminary portion of our planning is concluded with a study of

Answer 7

past fires

Question 8

On of the first decisions when arriving on scene will be apparatus

Answer 8

placement

Question 9

When a single engine company is first-in, the Fire Attack Team will consist of all four engine company members. If a fire suppression certified__________________________ arrives with the engine company, the extra personnel may be included in the attack team or directed to perform another critical function.

Answer 9

rescue ambulance

Question 10

When our efforts to gain access through forcible entry of the doors are unsuccessful, the next best option will probably be to

Answer 10

break glass

Question 11

The Fire Code requires an interior lock box for Fire Department use. This is usually found at the building’s lobby _____ _____ or in the __________________.

Answer 11

security post
fire control room

Question 12

The _____________ of the Fire Attack Team sets the stairwell climbing pace. As necessary, stop and take short rests.

Answer 12

officer in charge

Question 13

All floors of a high-rise building may not be served by every stairwell. The stairwell numbering sign inside the stairwell indicates which floors will be available to you and if it exits the roof. _____________ stairwells, for example, may only service alternate floors, skipping every other floor or exit at the opposite end of the building.

Answer 13

scissor-type

Question 14

Considerations for stair way selection include based off tactics include:

Answer 14

Location of the fire in relation to the stairs, stairway pressurization features, and what stairways are being used by occupants for evacuation

Question 15

n choosing a fire attack stairwell, select a stairwell that has _______ to ______ access whenever possible. However, the selection of the attack stairwell should be a _______ decision based on several factors.

Answer 15

ground to roof
tactical

Question 16

______ _______ driven blowers have proven very beneficial at high-rise fires. They do not emit carbon monoxide and supply fresh air to the stairwell.

Answer 16

water pressure

Question 17

Water pressure driven blowers have proven very beneficial at high-rise fires. They do not emit _____ ______ and supply fresh air to the stairwell.

Answer 17

Carbon monoxide

Question 18

Stairwell entrances can usually be distinguished from other types of doors by their double-door width and key cylinder lock. In addition to the key lock, some doors are held closed by a magnetic device requiring __-pound pressure to overcome it. If the key unlocks the door, but it resists opening, give it a hard pull.

Answer 18

25

Question 19

Firefighters in personal protective equipment, breathing apparatus, high-rise hose packs, and forcible entry equipment require approximately ____minute per floor to ascend stairs.

Answer 19

One minute

Question 20

If the fire is reported to be on or below the _____floor, the stairwell shall be used and firefighters will walk to reach the fire floor.

Answer 20

6th floor

Question 21

Under no circumstances should an elevator not equipped with ______ ______ or a _____ elevator be utilized until it is determined safe by fire department personnel on the desired floor(s) of operation and their use approved by the _______ ________.

Answer 21

Emergency service or a freight elevator
Incident commander

Question 22

________ shall not be taken to, or above, the reported fire floor.

Answer 22

Elevators

Question 23

If used as a means of ascent, elevators should not be taken closer than ____ floors below the reported fire floor or two floors below the ______ _____activated floor location.

Answer 23

2 floors
Lowest alarm

Question 24

Prior to entering the elevator, all personnel shall determine the location of the _______ in relationship to the elevator.

Answer 24

Stairwells

Question 25

No more than _____ personnel with equipment is permitted in any elevator. This will prevent exceeding the weight capacity of the elevator.

Answer 25

6

Question 26

Often the fire cannot be seen from outside the building. A continuous _______ must be provided to keep the Incident Commander and responding companies informed of your progress.

Answer 26

Size up

Question 27

The officer in charge of the Fire Attack Team should give an assessment of conditions found in the stairwell every ____ or ____ floors and, if elevators are used, during the precautionary stops every _____ floors.

Answer 27

4 or 5 floors 5 floors

Question 28

The continuous size up will also confirms that ______ _________are being maintained.

Answer 28

Radio communication

Question 29

Two floors below the reported fire floor, the attack team should assess that floor’s suitability for

Answer 29

Staging

Question 30

Additionally, the building’s general floor plan should be checked by looking at one of the occupant

Answer 30

Evacuation plan signs

Question 31

If you are investigating and searching for the fire and dont see fire on the fire floor check the floors ______and ______ the fire floor

Answer 31

Above and below

Question 32

Once you have identified the fire floor, before opening the stairwell door, you must check the floor ____ and report your findings to the Incident Commander.

Answer 32

Above

Question 33

The check of the floor above can assist in determining _________ ______, potential hazards, and vertical openings such as ______ ______.

Answer 33

Vertical extension Tenant stairs

Question 34

It may be necessary to delay entry onto the fire floor until the stairwell above the fire floor is clear of

Answer 34

People

Question 35

To facilitate advancing lines, where feasible, flake the line _____the stairs while it is being connected below.

Answer 35

Up the stairs

Question 36

When preparing to advance two lines simultaneously, flake one____________and _____________ to minimize the chance of them becoming entangled.

Answer 36

up the stairs and the other down the stairs

Question 37

When you are preparing lines of different sizes, flake the ____ line up the stairs and the ______ one down the stairs to make it easier to move the loaded lines.

Answer 37

Large line up Smaller one down

Question 38

Standpipe pressure in a high-rise building is controlled by three means:

Answer 38

pressure regulating devices, pressure restricting devices, or orifice plates

Question 39

The ___________________ devices control pressure, and assuming they are functioning properly, the volume of a give outlet can increase to supply more than one line, as long as the g.p.m. does not exceed the set limit which is normally 300 g.p.m.

Answer 39

Pressure regulating device

Question 40

___________________ devices work by restricting to flow by how far the valve can be opened, thereby reducing the flow and the p.s.i.

Answer 40

Pressure restricting devices

Question 41

The orifice plate controls pressure by restricting _____ and is limited to its design requirements for supplying ____ g.p.m.

Answer 41

Volume 200 gpm

Question 42

When augmenting your high-rise hose packs, be sure to use shut-off butts with removable tips so lines can be easily

Answer 42

Extended

Question 43

If a gated wye is part of your hose lay, it must be ______ or _______ open to prevent inadvertent closure.

Answer 43

Attended or strapped

Question 44

Lines connected to orifice plates require that the orifice plate be _______ and a member remain at the outlet

Answer 44

Removed

Question 45

If an orifice plate cannot be removed, lines should not be completely shut off at the nozzle. A complete shut off may raise the ______ in the line to the much higher static pressure of the system and could ______ the hose.

Answer 45

Pressure Rupture

Question 46

The Fire Attack Team should direct their efforts toward protecting _______ and _______, ________and ______, and other vertical openings.

Answer 46

Hallways and corridors, stairs and elevators

Question 47

Do not develop “_____ ______.” In some instances, it may become necessary to reposition your attack lines to another stairwell.

Answer 47

Tunnel vision

Question 48

_________ building design features can include office areas or living areas, which surround a “core” containing stairwells, elevators, and utilities.

Answer 48

Center core

Question 49

In center core building in firefighting the fire can ____________ in the corridor and suddenly be behind the firefighters operating the hose line

Answer 49

Wrap around

Question 50

the fire attack officer determines that a “wrap around” potential exists, it can be prevented by coordinating

Answer 50

Two hose lines

Question 51

When using two lines in a center core building what is the role of the hand lines

Answer 51

One attacks the fire(offensive) the other prevents the fire from wrapping around the core (defensive)

Question 52

Fire attack can also be hampered by fire above suspended _____,_____,______

Answer 52

Ceilings, flashover and backdraft

Question 53

In high-rise buildings, the area above the ceiling usually serves as the return air plenum for the ______________. This area presents a hidden space, above the level of the sprinkler system effectiveness, where fire can spread undetected

Answer 53

HVAC SYSTEMS

Question 54

As your firefighting operations progress, check the ______ area frequently to ensure the fire does not travel overhead and possibly come down behind you, cutting off your escape route.

Answer 54

PLENUM

Question 55

To make this check, simply remove a ceiling tile or panel with a _____ _____ or similar tool and take a look. A ______ ______ directed at the ceiling is another method of removing these tiles.

Answer 55

PIKE POLE HOSE STREM

Question 56

What falls down At best, creating an obstacle to firefighter mobility, and at worst, possibly injuring or entangling members engaged in firefighting.

Answer 56

Suspended ceiling

Question 57

Some high-rise buildings in Los Angeles, such as the Arco Towers and the First Interstate Tower, have floors interconnected by a separate open stairwell. Because these are vertical openings, they must have _____hour protection.

Answer 57

Two hour protection

Question 58

It is extremely dangerous to use these stairwells during a fire as the doors may close at any time.

Answer 58

Rolling steel fire doors

Question 59

High-rise buildings have very high electrical energy requirements and will often have ________________ in the building.

Answer 59

Electrical substations

Question 60

The flashover point in a high rise due to all the plastics that may be burning may be as low as

Answer 60

700 degrees

Question 61

When the HVAC system is shut down in a sealed high-rise building, whether by actuation of a fire protection system or by firefighters, the fire floor atmosphere may become oxygen deficient, creating the conditions for a potential

Answer 61

Backdraft

Question 62

One means of ventilating a floor or compartment of a high-rise building to eliminate a backdraft condition is to ____________________ and horizontally ventilate the fire floor.

Answer 62

Break the windows

Question 63

Ventilate horizontally this may be done where in relation to fire fire?

Answer 63

Above the fire

Question 64

If horizontal ventilation is being contemplated or the potential exists for window failure, _______ _____________ must be positioned protecting horizontal openings including means of egress, stairwells, and hallways.

Answer 64

Charged hose lines

Question 65

Consider venting the _______ side of the building when the need exists.

Answer 65

Leeward