BK 100 Chpt 11-13

Question 1

To be effective, Radio messages must be what?

Answer 1

Concise, brief and use accepted Terminology

Question 2

What channel is normally not used until the arrival of the second alarm companies?

Answer 2

Channel 11 command

Question 3

Helicopters can serve three main purposes at high-rise incidents, they are?

Answer 3

Evacuation

Observation

Deployment of equipment and personnel

Question 4

When requesting a helicopter to a high-rise incident, you should inform MFC of what four things?

Answer 4

1. Number of helicopters needed
2. Specific request for specialized equipment/personnel/resources
3. Intended helicopter mission
4. Location of helispot as required

Question 5

Minimum helicopter response times from Van Nuys Airport to: San Fernando Valley
West LA
Downtown
Harbor

Answer 5

SFV:5-7 min
WLA: 10 min
DTLA: 10-12 min
Harbor: 20 min

Question 6

Normally helicopter should remain approximately how many feet from the involves building while in flight?

Answer 6

500 feet

Question 7

What are the two basic methods of air evacuation?

Answer 7

Rooftop Rescue (EVAC from landing Pad) 
Hoist Rescue (No landing space available)

Question 8

Hoist Rescues are limited to how many ft/floors below roof level?

Answer 8

250 feet or approximately 20 stories

Question 9

When waiting to load/board helicopter, personnel should form a single line at least ____ feet away and at front side in full view of pilot

Answer 9

50 ft away

Question 10

A high-rise building is defined as?Which means most _____ story buildings and some ___-____ story buildings will fit this category.

Answer 10

High-rise:75 feet or higher measured from ground level access to highest floor intended for occupant use

Most eight story buildings; some 6- 7 stars

Question 11

What are two groups high-rise buildings have been divided into?

Answer 11

Existing high-rise

New high-rise

Question 12

Existing high-rise is defined as? And can be divided into two sub groups which are?

Answer 12

Existing high-rise built prior to July 1974

Two sub groups: prior to 1960 and 1960-1974

Question 13

Most pre ‘60 high-rise are limited to what height/stories and for what reason?

Answer 13

150 feet on height/13 stories due to earthquake safety

Question 14

Fire protection in a PRE’60 high-rise were usually not interconnected and consist of?

Answer 14

Class l Dry Standpipe
Class ll Wet Standpipe with cabinet hose
Automatic sprinklers in basement

Question 15

Most PRE’60 high-rise have these for ventilation? But not required to have these three types of systems?

Answer 15

Openable windows

Fire alarm system, emergency power and lighting systems, building communication system

Question 16

Define type l construction?

Answer 16

Fire Resistive construction where structural members are made of non combustible materials

Question 17

What is “Compartmentation”?

*Not “compartmentalization”

Answer 17

Subdivision of building into “fire areas” accomplished by providing 2 hour fire resistive separation between floors/vertical shafts

Question 18

Orifice plates effectively lower nozzle pressure when water is flowing, what can happen if firefighting line is shut down?

Answer 18

Increased static pressure at nozzle may make it impossible to open

Question 19

What is a smoke tower?

Answer 19

“Smoke proof enclosure” usually entered through a vestibule where smoke is ventilated prior to entering stairwell

Question 20

What type of standpipe system is required in a new high-rise greater than 275 feet?

Answer 20

Looped standpipe system

Question 21

Fire control room and elevator vestibule’s will have a fire rating of?

Answer 21

One hour

Question 22

All new high-rises post 74 will have automatic sprinklers supplied by?

Answer 22

The same riser as 2 1/2 inch wet outlets provided for FD use

Question 23

Horizontal exit Corredor’s are required to be?

Answer 23

Illuminated at all times

Question 24

HVAC systems used for smoke removal must provide?

Answer 24

Smoke removal of six air changes per hour and exhaust to exterior of building without recirculation

Question 25

Per BK100 CH13, a minimum of ____ telephone hand sets are required and jacks shall be located where?

Answer 25

6
Fire control room
Every floor level stairs shaft (including roof and street, interior and exterior) and exiting to public way, elevator car, lobby and machine room, outside fire pump room and emergency generator room

Question 26

New high-rise will have a helicopter landing pad ____by____ feet and labeled with load capacity in thousands of pounds

Answer 26

50X50ft

Question 27

Retrofit installation of sprinkler systems for high-rise office buildings are required along with what additional changes?

Answer 27

1. Provide one hour fire rated elevator vestibule
2. Add emergency power generating systems
3. Provide 20 ft.² manual vent open at top of stairs shaft with no roof access
4. Provide 3 inch drain if using PRV’s

Question 28

Floor level numbering signs contain what information?

Answer 28

Floor number, stairwell number, floors serviced, and roof access or not

Question 29

What is Halon 1301?

Answer 29

Halogenated hydrocarbon gas used to protect computer and other high value equipment

Question 30

Approximately how many high-rise buildings are in Los Angeles?

Answer 30

745

Question 31

What percent of high-rise buildings in Los Angeles are habitational (apts, hotels, condos, etc)?

Answer 31

20 to 25%

Question 32

Type 1 buildings are designed to withstand the most severe fire conditions for how long?

Answer 32

2 or more hours

Question 33

What are the only combustible materials allowed?

Answer 33

Interior partition walls and office furnishings

Question 34

A looped standpipe system is required for all buildings above what height?

Answer 34

275’

Question 35

All new high-rise buildings must have an emergency smoke removal system OR Perimeter windows must be openable or have breakable glass in each corner at every ____ linear feet.

Answer 35

50 linear feet

Question 36

What locations are required to have a sound powered phone jack?

Answer 36

Fire control room, each floor level in each stair shaft including roof and street level both inside and outside, each elevator car, elevator machine room, elevator lobby, outside the fire pump room, emergency generator room, each stairway exiting to a public way

Question 37

What would be the number “10” indicated on a rooftop helipad?

Answer 37

10,000 pounds load capacity (number is multiplied by 1000 to obtain load capacity)

Question 38

Exterior fire scapes are required to have wired glass or equivalent protection for windows on all landings and within how many feet of either side of the landing?

Answer 38

5 feet