Chapter 15 Flashcards

High-rise firefighting

1
Q

What type of building construction is less likely to spread beyond the room and floor of origin then our fires in short buildings making them actually safer than all other types of buildings we respond to

A

Type one high-rise buildings

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2
Q

NFPA report on high-rise building fires breaks down high-rise buildings into six property types which are

A

Apartments
Hotels
Dorms
Offices
Hospitals/ nursing home
Other

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3
Q

Regardless of building height, the leading cause of fires IN all property classes IS ?

A

Fires IN kitchen, cooking areas with cooking equipment ( food on the stove

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4
Q

The primary factor that makes fighting fires in skyscrapers so challenging is

A

Their height

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5
Q

Most of the fires in high-rise buildings according to NFPA 2016 report begin on floors no higher than

A

The sixth floor P. 466

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6
Q

Ladder companies are traditionally assigned TO DO WHAT ?

A

Recon
Lobby control
Elevators
Forcible entry
Search-evacuate-rescue
Ventilation
occupant management

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7
Q

In compartments with office furnishings and computer equipment total room involvement has occurred within within ‘’ ignition

A

Seven minutes

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8
Q

SER stands for

A

Search
Evacuate
Rescue

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9
Q

Major issues that firefighter face during fires are

A

Heat
Elevation
Water
Parable air
Wind P. 467

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10
Q

A high-rise acronym that exists in the early 1970s is worth reviving for the newest generation of firefighters. What is it?

A

Hazards
IN
Greater
Heights

Reach is beyond capabilities of Ariel apparatus
Interior fire attack is essential on upper floors
Significant smoke and stack effect potential is present
Evacuation time required to move. All building. Occupants is unreasonable and impractical.

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11
Q

The fire attack is based on what

A

Building design
Number of occupants
Number stairways
Their configuration
Proximity to the seat of the fire

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12
Q

What is the secret to success in fighting fires in high-rise buildings?

A

Incident planning
Consulting with the building or maintenance engineer
Developing a pre-fire plan
Following incident commands, high-rise fire checklist P. 468

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13
Q

High-rise buildings are rarely left unattended if the fire safety Director or building engineer is on site that person needs to have building and system plans already and

A

Stay glued to the IC AT command post

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14
Q

High-rise buildings fallinto three groups

A

High-rise structures built before 1945

High-rise structures built between 1945 and 1968 when the post World War II economy, force change in the building industry

High-rise structures built after 1968

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15
Q

Which category of high-rise group does the following fall into?

Heavyweight building 20 to 30 pounds per cubic foot
Structural steel components in case in concrete
Exterior walls are Masonary
Floors are reinforced concrete
Lack of plenum space
Exterior walls are tied to the floor
Steam heat, lack of HVAC
Core concrete was not used
Most exterior windows can be opened

A

High-rise structure built before 1945

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16
Q

Which category of high-rise group does the following fall into?
Medium weight 10 to 20 pounds per cubic foot
Fire and smoke tower
Many exterior windows can be opened

A

Between 1945 and 1968

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17
Q

Which category of high-rise group does the following fall into?
Lightweight building 8 to 10 pounds per cubic foot
Lack of compartmentalization
Wide open floor space
Spray fireproofing for steel structural members
Exterior and curtain walls are a combination of glass and steel
Exterior windows do not open
Open plunujms with lack of fire stops
Q use for floor
Center core construction used extensively

A

Built after 1968

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18
Q

What type of construction is used in in the majority of super high-rise buildings.. constructed of reinforced concrete. It is a giant vertical shaft that runs the entire height of the skyscraper contains elevators and closed stairways standpipes sprinkler system, piping power, water, and plumbing..

A

Center core construction

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19
Q

What design construction allows for 360° view with on obstructed floor space, the biggest problem with this design is that Fire can also whip around 360° and flank, the fire attack team.

A

Center core design construction

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20
Q

What construction design puts the giant vertical shaft with all major building opponents on one side of the building. fire attack strategy in this type of construction would be a direct formal attack

A

Side core design p. 469

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21
Q

Fire attack strategy in a center core design would have to be a

A

pincer or flanking attack using a second attack team accessing the fire floor from the same or second stairway to confine the fire and prevented from circling around o, 469

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22
Q

Non-core design is found in what type of buildings

A

Low rise buildings and older high-rise buildings and it will require standpipe operation above the third floor

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23
Q

Floor area or square footage in high-rise buildings can range between ‘’’ .. how many gallons per minute of water would we needed to control this type of square footage?

A

10,000 ft.² in wall over 300,000 ft.²

6000 to 10,000 gallons per minute to control

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24
Q

Large fires instructions with many square feet per four may end up being what type of firefight

A

A controlled burn

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25
Q

High-rise buildings also fall into three use categories

A

Commercial

Residential
Mixed use

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26
Q

Mixed use high-rises can have

A

Residential units on the upper floors while having commercial use on the main levels of the building

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27
Q

What is the space between the structural ceiling and the drop ceiling of a floor/ceiling assembly the underside of the floor above used to house communication cables for telephones and computer networking use for HVAC work

A

plenum

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28
Q

Many practices still recommend completely shutting down the HVAC system during

A

A fire alarm so fresh air intakes don’t provide additional oxygen to the fire p. 470

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29
Q

When the movement of air is intensified, the fire shutting down the HVAC system is

A

The correct action to take

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30
Q

Shutting down HVAC systems, they also eliminate the ability of the system to

A

Pressurize elevator shaft, stairwells, and floors above and below the fire something that is essential for high-rise fireplace because it prevents smoke from entering these areas

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31
Q

In high-rise, modern construction elevator, shafts and floors above, and below fires are now ‘’

A

Pressurized

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32
Q

What system is the most effective way to prevent control or suppress a major fire in a high-rise

A

Automatic sprinkler system p. 471

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33
Q

A flow requirement is based on the

A

Hazard and fuel load of what is expected to be in the design fire area

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34
Q

Fire sprinklers do not shut off once the fire has burned out they have to be

A

Manually shut off p. 472

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35
Q

NFPA ‘’ provides minimal requirements for the design of a standpipe system, which is determined by the height of the building in the floor area of which story in the occupy classification egress system, design, flow rate and residual pressure and distance of hose connections from the source of the water supply

A

14

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36
Q

Early high-rise buildings used ‘’ standpipes newer buildings now ‘’

A

4 inch, 6 inch

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37
Q

Standpipes and hoses are classified by intenders use :
What are they?

A

Class one- firefighter use
Class two- tenant use
Class three- both. p. 473

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38
Q

Gold construction before 1993 have minimum flow rates of

A

500 gallons per minute at 65 psi

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39
Q

All Newark construction have a minimum pressure of ‘’ but reduce GPM to’’ outlets. This allows for more maneuverable hand lines.

A

125 psi
300 gallons per minute

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40
Q

Where a static pressure of a 2 1/2 half inch hose connection exceeds 175 psi what ‘’ must be installed to limit the static and residual pressure at the hose connection to no more than 175 psi

A

Listed pressure regulating device ( prv)

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41
Q

PRV is designed to

A

Reduce the downstream water pressure under both flows residual and static

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42
Q

For class one, the minimum flow rate of remote standpipes is

A

500 gpm thur 2 2.5 inch outlets

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43
Q

A minimum flow rate for additional standpipes is ‘’ power stamp Pipe for buildings with floors that do not exceed 80,000 ft.² per floor

A

250 gpm

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44
Q

Prop building at exceed 80,000 ft.² per floor. The minimum flow rate for additional stamp pipes is. ‘’ the second Pipe and. ‘’ for the third stamp if additional flow is required for an upright building

A

500 gpm , 250 gpm

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45
Q

The maximum standpipe flow rate are ‘’ for buildings that are fully sprinkler and ‘’ for buildings that are not sprinkler

A

1000 gpm
1250 gpm

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46
Q

Class two systems the maximum blower required from a 2 1/2 inch hose connection is

A

250 GPM

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47
Q

Based on the travel distance required to cover all portions of each floor level of the building, and starting from the hose connections to travel distance shall be ‘’ sprinkler buildings after 2005

A

200 feet

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48
Q

The traveling distance shall be ‘’ for non-sprinkler of buildings but how much should be a minimum to start any fire attack?

A

130 feet
200 feet

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49
Q

Connection should be provided at the ‘’ landing of the stairway with roof access or it should be provided on the roof

A

Highest

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50
Q

In stairways without roof access, there may be a hose connection at the top of the standpipe on

A

The roof p. 474

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51
Q

Firefighters working together can keep track of each each other by

A

Site
Touch
Voice
Radio
Or remaining contact

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52
Q

Your PP has a threshold rating of ‘’ for how long?

A

572°
15-30 seconds

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53
Q

Flash over and post flash over sailing temperatures can be up to ‘’

A

2000°

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54
Q

Floor temperatures when the floor is on fire can be around

A

500°

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55
Q

What is considered the weakest component of firefighter protection?

A

The lens and the face piece of SCBA

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56
Q

Glass transitions or softens of the poly carbonated lens occurs between ‘’ and melting and lens occurs between

A

293° and 302°
419° and 640°

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57
Q

Maximum exterior lens temperature where as high as

A

572°p . 475

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58
Q

Firefighters, greatest adversary and high-rise building fire is

A

Heat

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59
Q

PA 1500 states that crew should not be permitted to use more than’’ before being rotated through rehab

A

To SCBA’s

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60
Q

Keep in mind that every 50 foot section of charge 2 1/2 inch hose line weighs

A

105 pounds

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61
Q

High-rise fire attack should be viewed as

A

Running a marathon, not running a sprint

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62
Q

What actually prevent injuries from heat and fatigue?

A

Frequently rotation of crews

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63
Q

Preserving the effectiveness of cruise with frequent rotations actually

A

Extinguishes the fire faster by extending the capabilities of limited resources p. 476

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64
Q

The key to keeping accurate accountability is to

A

Work the status board as the assignments are being made

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65
Q

Before incident priorities remain the same for high-rise building fires except on a much grander scale what are they?

A

Life safety
Incident stabilization
Extinguishment
Property conservation p. 477

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66
Q

The initial IC should remain calm and approach a high-rise emergency systematically by:

A

Size up/risk benefit analysis
Four incident priorities
RECEO.VS
Find the fire
Identify existing problems
Assign crews to address problems
Anticipate problems
Stick to/incident action plan
Referred to ICC high-rise fire checklist
Remain close to building engineer or maintenance supervisor p. 478

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67
Q

The first Company officer needs to establish’’ and announce ‘’

A

Command
Initiation of lobby control

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68
Q

The initial command post is usually in

A

The lobby close to the fire alarm panel
Inside the buildings fire control center

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69
Q

Lobby control consists of the following:
Verify the ‘’’ location
Verify the location of any ‘’ activation
Establish ‘’ with engineer or safety supervisor
Acquire ‘’’’’ documents/building plans
‘’ the fire fight and evacuation stairway
Managing the ‘’ of occupants to safe area
Gain control of ‘’’
‘’ incoming units to the elevator or firefighter stairwell

A

Verify the alarm location
Verify the location of any sprinkler activation
Establish contact with engineer or safety supervisor
Acquire emergency procedure documents/building plans
Select the fire fight and evacuation stairway
Managing the evacuation of occupants to safe area
Gain control of building systems
Direct incoming units to the elevator or firefighter stairwell

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70
Q

The first detail that company officer needs to determine when arriving in a high-rise Fire is to verify the initial

A

Location of the fire or the location of the fire alarm activation on the FACPp. 479

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71
Q

Pushing what button notifies the monitoring company that the fire department is on scene at the control panel

A

Acknowledgment button

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72
Q

Pushing white button, turns off alarm buzzer in the FACP but leaves the alarm status light and building alarm on

A

Acknowledgment button button p. 480

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73
Q

It is best to use what company members for the initial recon assignment because the initial commitment to high-rise firefighting are to utilize engineering companies to establish a water supply

A

Ladder companies

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74
Q

Never silence, the buildings, audible fire alarm, horn or siren until

A

Activated alarm is verified, once it is determined to be false it can be silenced

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75
Q

In an actual fire, once evacuation is complete in the life hazard is mitigated instant command can order the alarm to be

A

Silenced

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76
Q

Recon teams should determine

A

How many stairway access the fire for?
Which stairway is closest to the fire?
Which one has the standpipe?
Our hallway/stairways containing
The floor plan require more than 200 feet of hose
After that
Searching insure that firefighter stairways is clear of occupants up above the fire floor

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77
Q

A rapid assent team does what

A

Search Fire stairwells are clear of occupants above the fire floor

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78
Q

And older buildings with a smoke or fire tower it should be

A

The preferred choice for the evacuation stairway p. 481

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79
Q

If there is no fire tower, the evacuation should be

A

Pressurized by the buildings, hatchback system and free smoke

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80
Q

What is a fast food event that moves large number of able body people as possible in an organized manner to initial place a refuge

A

Evacuation, it is not a rescue

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81
Q

Elevators and high-rise buildings should not be used for fires below

A

Fourth floor because not much is gained p. 482

82
Q

It must be determined if the building has an emergency ‘'’n and whether?

A

Power generator
Whether it starts automatically or needs to be manually started

83
Q

What are often available for distribution to specific cruise in order to establish in-house communication can be used in elevator cars in on every stairwell landing plugged into wall jacks and connected directly to the FCC benefit of this is that they are not subject to radio interference or dead zones with steel type one building

A

Sound powered headphones

84
Q

Portable radio, signals through repeaters are often lost, and what type of construction

A

Type one

85
Q

If a building has a fire pump and indication light for it will be on

A

The fire alarm panel

86
Q

The fire pumps are usually found in

A

Basements, but there could be a mid-level pump hose to supply the upper floors, they can be electrically hardwired or powered by diesel motor

87
Q

Fire pump for wet pipes, automatic sprinklers, maybe supplied by

A

Gravity tanks
Public water
Pressurize reservoir tag
Private water supplies p. 483

88
Q

Fire pumps are typically rated at

A

750 gallons per minute

89
Q

during a Fire there can only be what supplying a stand Pipe

A

One source of water supply a stamp by either buildings fire pump or an engine

90
Q

Fire pump in a wet system draws water from ‘’ until a fire department engine increases its pressure beyond that on the fire pump

A

Tank reservoir

91
Q

A fire that requires the use of a stamp Pipe system for water supplies is most likely on a floor

A

Higher than the fourth story

92
Q

Priorities for engine companies during high-rise fires

A

Initial hose line to the fire floor
Stretch back up line equal or greater diameter
Get an exposure line to the floor above the fire
Ready to charge hose line for RIT

93
Q

Priorities for the ladder companies are during high-rises fires

A

Overseas evacuation and initial search
Evacuation occupants
Support the pressurization of firefighter stairways with fans
And chair rooftop access stage closed during fire attacks
Make sure HVAC systems work and shut down if needed
Stair should be checked throughout the vent P. 484

94
Q

Newer codes require hydrants within ‘’ otherwise ??

A

100 feet of an FDC otherwise should be within 300 feet of FDC P. 485

95
Q

Pump to rooftop pressure by adding ‘’ per for friction loss and adding ‘’ psi for the stamp Pipe Siamese friction loss. if the building is equipped a fire pump let the pump do its job 50 to 100 psi below the??

A

5 PSI
25 PSI
Signage pressure

96
Q

To helpful tricks for the driver to know if a building fire pump is operating

A

1 - to the FDC or riser, you will hear a vibration if it’s operating
2 - close the supply line to the FDC, if there is noise and resistance closing the ball valve, that means water is flowing from the apparatus into the stamp Pipe and the fire pump has failed or is not operating properly
3 - drop on the discharge gauge

97
Q

The first line regarding standpipes should be hooked up to which intake and charge to get water into the system quickly

A

LEFT

98
Q

The second line regarding standpipes should be connected to ?? The sequence was originally established because connectING the right side first meant that??

A

Right
The right hose would get in the way the slowing down the useless span to tighten the left female swivel P. 486

99
Q

PRV’s are one way ‘’ , you cannot ‘’ into a standpipe through a PRV

A

Discharge valves, you cannot backflow water into a standpipe through a PRV

100
Q

As a last resort, what can be used as a waterway or temporary stand Pipe to advance hose lines to the upper floors?

A

Ariel ladders, however, they shouldn’t be done because you take away that limited special resource.

101
Q

Physical demands on firefighters limit them to approximately ‘’ before they need a fresh bottle

A

20 minutes

102
Q

Getting water to eat fire on an upper floor can take at least’’ if everything goes right

A

15 to 20 minutes P. 489

103
Q

Elevator should not be used for fires below what floor

A

Fourth

104
Q

Staging is set up on what floor

A

Two floors below the fire IN a high-rise building

105
Q

Elevator should not be used for fires on lower floors below ?

A

The main entrance of a building for the same reason you shouldn’t hook up to below grade standpipe discharge connections

106
Q

There are two basic types of elevators what are they?

A

Electric and hydraulic

107
Q

Which elevators are usually found in low rise or non-high-rise buildings, mechanical rooms in the basement

A

Hydraulic

108
Q

Which traction elevators are used in actual high-rise buildings, used with giant hoist cables, wrapped around drums along with cables attached to the Kate.. Hoist motors and mechanical rooms are usually on the roof or the top floors of the building although in modern day high-rises mechanical rooms can be located almost anywhere adjacent to the hoistway

A

Electric traction elevators

109
Q

Some freight elevators have manual operating doors and do not have

A

Phase 1, or phase 2 safety features

110
Q

If the alarm action occurs in the main lobby, the elevators are recalled to an alternative designated floor, usually below the main lobby, this alternative floor recall is sometimes referred to as

A

Phase 3

111
Q

What phase of elevator operations occurs when the fire department actually takes control the elevator car

A

Phase 2

112
Q

What phase elevator operation is tied to the building automatic fire alarm system, and occur automatically. If the alarm is set off by smoke detectors or pool stations in elevator lobby, shafts machine rooms, they are automatically recalled to the main lobby.

A

Phase 1

113
Q

During phase 1 operations, if the car is not automatically rec called to the main lobby, they should be

A

Manually recalled accounted for searched then shut off P. 490

114
Q

If smoke is detectable or noticeable, stop the elevator at the nearest floor and get everyone out turn the elevator back to what

A

Feed operations and note that the elevator shaft has gases in it

115
Q

What is a term for newly approved?” Hardened.” post September 11 elevator design for firefighter use., occupant evacuation in high-rise firefighting and will become more common as new tall buildings are constructed.

A

Fire service access elevators( FSAE) P. 491

116
Q

What type of elevators are built with the reinforced concrete that are not subject to normal problems associated with the regular cars concrete shafts are pressurized and the electric operating components are insulated from smoke heat and water damage. These elevators have remote heat and smoke monitoring for all floors.

A

Fire service access elevators

117
Q

What is a newer requirement in building code that specifically provides ongoing elevator operations during an emergency for disabled occupant who cannot use stairs?

A

Occupant evacuation operation(OEO) P. 492

118
Q

Every standPIPE has a rooftop ‘’ on the roof equal to the required flow to attack roof, fires, roof decks, and patio fires, and fires in a rooftop missionary rooms and for flowing water down the exterior sides of high-rise building to prevent auto extension and lapping. If not on the roof , where would it be located?

A

discharge manifold valve

Just inside the top stair landing at roof level, the stair continues into a basement. There will be an additional below grade discharge valve.

119
Q

Two types of PRV’s ARE ?

A

PRV
A flow restricting device

120
Q

What device controls the discharge pressure by restricting the flow through a reduced orifice plate, they do not reduce the static pressure. It is reduced because of the small diameter orifice plate within the valve

A

A flow restricting device

121
Q

Limits the pressure on the stem side of all flows. set to deliver a specific pressure that will not exceed under any flow conditions static and residual pressures remain set.

A

PRV

122
Q

PRV’s are often installed on connectors between

A

Stamp Pipe risers and automatic sprinkler sectional valve on the individual floor as well as on discharge hose outlets

123
Q

NFPA ‘’ states where the static pressure at a 2 1/2 half inch hose connection exceeds 175 psi a listed pressure reducing device shall be provided to limit the static and residual pressure at the hose connection to know more than ‘’ if the flow pressure exceeds 100 psi requires that an approved device being installed at the discharge outlet to reduce pressures to a maximum of ‘’’

A

14
175 PSI
100 PSI P. 497

124
Q

According to NFPA high-rise building fires report ‘’ of all office and hotel, high-rise fire star ‘’ the common location for service areas

A

10 %
below grade

125
Q

Jose should be tested at least once every

A

Five years but are often poorly maintained and not always accurately tested P. 498

126
Q

At a minimum the first ‘’ floors of the stairwell must be checked for occupants by an engine crew member before the hallway doors opened to the fire floor

A

The first five doors

127
Q

Unless the entire fire texture can remain pressurized connecting hose lines on the fire floor and above the fire floor landing should

A

Be avoided

128
Q

Heavy flames in the hallway usually means the door to the fire unit is

A

Open allowing fire to spread P. 500

129
Q

Building occupants may not know the difference between firefighter ‘’’

A

Stairwells and evacuations stairwells

130
Q

If for entry to a fire floor is required, the door must be ‘’ until the upper floors of the firefighting stairways are cleared

A

Controlled

131
Q

Before the fire floor doors open what team should search and check upper levels in the firefighting stairwell for evacuates

A

RAT

132
Q

What systems should be used to clear occupancy, evacuations stairway or direct them to remain in their room?

A

The PA system located at the alarm panel

133
Q

What is the primary strategy for teams?

A

Protect and shelter place, rather than wristing occupants through and IDLH, they should be directed back to the rooms

134
Q

High-rise buildings often have more than one stairways with standpipe consider

A

Taking exposure lines to upper floors and using different standpipes to avoid the heat and smoke

135
Q

Whenever using an inch 3/4 hand line what should always be used as a back up line

A

2 1/2 inch hand line P. 502

136
Q

Tactical objectives on the fire floor for a high-rise building remain the same as in one store buildings what are they?

A

Force entry
Fire attack line 1ST
Back up line 2ND
Exposure to the floor above 3RD
Rapid intervention line4TH
SER any evacuation?
Ventilation
Salvage overhaul P. 503

137
Q

What is the only requirement in addition to full PPE with SCBA regardinG RIT standby members according to NFPA 1500

A

That they have the universal Aircon connection UAC to supply air sources P. 504

138
Q

Using a 2 1/2 inch gated why can yield a number of combinations which include

A

Two 2 1/2 inch attack lines

One 2 1/2 inch tack line and one 2 1/2 inch back up line
One 2 1/2 inch line and two 1 3/4 inch lines coming off the one and a half inch gated wYE
For one and 3/4 inch lines coming off to one and a half inch gated wYE for exposure protection
Two 2 1/2 inch lines to support a portable monitor or blitz fire master stream P. 506

139
Q

What configurations at a tremendous amount of cat CANTILEVERED wait to the stand Pipe discharge outlet and should be supported with webbing tied to the standpipe a better solution that many fire departments have implemented is to have what it’s called a

A

Pigtail to 12 foot section of 2 inch hose to the discharge valve which relieves all the weight of the discharge valve and transfers it to the floor P. 507

140
Q

The Flo rate from a 4 inch properly supplying standpipe can easily be

A

60 and 700 150 gallons per minute or more

141
Q

What can bleed air out of a stamp faster than an ale at the end of a 200 foot hose lay

A

WYE

142
Q

The square footage and the Fire load typically do not require ‘’ of water to extinguish a fire in the incipient or early growth stage

A

300 gallons per

143
Q

A fire in the incipient stage or in the early growth stage needs what type of water

A

Fast water, not big water

144
Q

Residential high-rise units are ‘’’ and often contain fire to the origin

A

Compartmentalized P. 508

145
Q

What is the game changer in high-rise fires?

A

Wind P. 509

146
Q

If smoker fire is encountered on the fire floor hose line should be scratched from the stamp Pipe connection where and not a standby connection in the hallway

A

Stairway

147
Q

If situations deteriorate in the floors lost it is because the four below is ‘’, all cruise on the floor above the original Fire must retreat to the ‘’ not the ‘’

A

Gaining headway
Evacuation stairway, not the firefighter stairway

148
Q

The initial attack hose line must be connected to the standup discharge outlet in the stairwell ‘’’

A

One floor below the fire floor

149
Q

The only hose outlet on the stamp Pipe that isn’t being utilized during the initial fire attack is the one on

A

The fire floor, the attack line and back up all coming from standPIPE OUTLETS BELOW

150
Q

RIT LINE should be the’’ LINE when the RIT is established, but if it isn’t, the RIT line is the’’ LAID

A

2ND
4TH P. 515

151
Q

Out of the five property classifications and high-rise buildings the ones that have the least sprinkler buildings are

A

Older residential high-rises

152
Q

What can be the only sign that the entry door into the fire unit has been left open

A

Thick smoke in the hallway

153
Q

What is a big heavy fire resistant tarp they come in 6×8

A

Fire curtains

154
Q

10×12 foot curtains are called

A

Fire blanketsP. 517

155
Q

The purpose of the fire blanket is to

A

Cover exterior windows of a firearm that has self vented or was left open on the Windward side of the building

156
Q

How was the fire blanket installed?

A

By the ladder company on the roof or a floor above, dropped by two guided ropes attached to the fire curtain after installed tension tied off

157
Q

What is an effective solution due consider in combating a wind driven fire in a residential high-rise, where the fire has self vented through a window

A

Fire blanket

158
Q

What are our options regarding nozzles for attacking a residential high-rise fire from the unit below when conditions for a wind driven fire exist

A

High-rise nozzle( Floor below nozzles)
Hydro vent nozzle

159
Q

What nozzle is 8 foot long one and a half inches thick that has bent back on itself approximately 68° with one and 1/8 board tip at the end with flows approximately 250 GPM. The pipe is supplied by a 2 1/2 inch hose line and it has a ball valve shut off

A

High-rise nozzle

160
Q

What is a suppression ventilation nozzle that sprays water into the ceiling with one nozzle and hydraulically ventilates the fire simultaneously three second nozzle both attached to a single pipe

A

Hydro VENT nozzle P. 518

161
Q

Safest way to fight a fire in a high-rise apartment that has self vented in flames are exiting the window with no smoke in the hallways

A

Indirect attack that includes cutting a small hole just large enough to insert an operate a nozzle through the front door or sheet rock

162
Q

What is like introducing a giant sprinkler system into a unit?

A

And indirect attack

163
Q

two factors that make indirect attacks difficult to fight ARE

A

Wind / elevation

164
Q

When considering type one construction high-rises in commercial spaces with large floorplans, the fuel will probably be

A

Fuel limited before this fires run out of oxygen

165
Q

Most unpredictable aspect and high-rise fights are

A

Wind P. 519

166
Q

A major problem and fighting high-rise fires is that firefighters cannot see

A

Exterior upper perimeter when they are in a hallway CORRIDOR on the inside, they need eyes on the outside

167
Q

Before making attack on the fire floor, the officer musT confirm the status of

A

Firefighting stairwell above the fire

168
Q

Smoke pulsating around the edges of a door indicates

A

A window has failed on the fire floor

169
Q

If the doors open to the floor, firefighting stairwell may

A

Smoking P. 520

170
Q

Another alternative attack is to use a center core of the floor to

A

Flank, the fire, the wall can shield cruise from radiant heat to one crew and go left while the other goes right

171
Q

Fire reading for fire doors used on a two hour wall is

A

90 minutes P. 521

172
Q

Unprotected steel can soften elongate and start to fail when temperatures rise above

A

1000°

173
Q

And type one construction, the columns have a ‘’ fire, the beams are rated for ‘’ and the floor sailing and the fire rating of ‘’

A

4,3,2 HOURS P. 522

174
Q

A new strategy consider when Fire is gained control the floor in a commercial office space high-rise with limited personnel and resources is the

A

NO attack strategy P. 523 FOR POINTS

175
Q

Tacking from where all allows firefighters to be in a safe atmosphere condition while getting as close as to see of the fire as possible

A

Attacking from below

176
Q

A trick of the trade is to use ‘’ extinguisher on the glass to freeze it, then shatter it with the point of a pickHEAD AX

A

Carbon dioxide extinguisher P. 523

177
Q

All floors, especially those immediately above the fire are considered

A

Exposures P. 526

178
Q

All combustible material should be removed from around the windows and walls. This may include the entire perimeter of the exposure floor move items to.

A

To the center and away from shafts, ducks and vertical channels

179
Q

Pulling ceiling around the perimeter to expose the PLENUM IN THE RETURN AIR CHANNEL. The perimeter of walls should be.

A

Bare

180
Q

Property conservation is not the concern on floor is above

A

The fire

181
Q

The Pipe chases are in

A

The kitchen areas break rooms and the men’s and women’s restaurant these spaces need to be opened and wet it down

182
Q

Another primary Avenue of smoke and fire spread are ‘’ DUCTS . ‘’ grades have to be removed

A

HVAC, vent P. 528

183
Q

A simple tactic to protect exposure. Buildings is for a cruise to.

A

Flow water down exterior walls of exposure buildings to keep them wet

184
Q

SER stands for

A

Search evacuate rescue P. 530

185
Q

What is used in high-rise buildings instead of SAR efforts?

A

SER, because you want to evaluate people by the masses

186
Q

Strategy for the life safety in residential apartment condominium and hotels is

A

Shelter in place P. 531

187
Q

Multiple master door key should be obtained for

A

SER units

188
Q

If an elevator, Car found an upper floor with the doors open. There’s a sign of.

A

Malfunction do not enter but check for occupants

189
Q

What is a simple spring loaded clamp that can be found at any hardware store that is perfect for keeping doors open

A

Jeromeo clap p. 535

190
Q

One of the first assignments for ventilation companies should be to determine the status of

A

HVAC systems

191
Q

If Hvac system is spreading smoke by distribution system or the fresh air return shafts are contributing to firewood. The system should be.

A

Shut down

192
Q

If the system is designed to sand the fire with pressurize stairs indoors, the system should be left

A

In operation so it functions as designed

193
Q

Fan should be placed ‘’ feet from the stairwell doors blowing towards the stairways

A

8-10 ft

194
Q

What is the vertical airflow within high-rise buildings caused by the temperature created density difference between the buildings interior and exterior or interior

A

Stack affect

195
Q

Who defines stack effect as the natural movement of air in a high-rise caused by the difference in temperatures and atmospheric pressures inside and outside a sealed high-rise

A

dunn

196
Q

In winters, the outside air is cold while the inside building is heated this is a

A

Normal stack effect( smoke from fires on lower floors rise)

197
Q

In summer outside temperatures are hot while air condition keeps interior climate of the building. Cool this is.

A

Reverse stack effect from fires in the upper floors, travel downward

198
Q

For engine companies no air movement is better than

A

Unpredictable air movement p. 539

199
Q

What is a series of tactics that start with horizontal ventilation supported by PPV fans on the fire floor once the fire is extinguished

A

Transitional ventilation

200
Q

What should start with the fire floor and the first two floors above the fire floor?

A

Transitional ventilation

201
Q

Firefighter should remain on air until atmospheric readings are taken into ensure CO levels are below

A

35 ppm

202
Q
A