BOOK 100 Building Design And Fire Protection System

Question 1

What are the 3 major design concerns in relation to new high rise construction?

Answer 1

1. Life safety
2. Property protection
3. Continuation of operations

Question 2

According to the State Fire Marshal’s Office, there are approximately 1,700 high-rise buildings in the State of California; of these, Los Angeles has approximately ___.

Answer 2

745

Question 3

About ___ to ___ percent of high rise buildings in LA are habitational, such as hotels, apartment buildings, and condos.

Answer 3

20-25 percent

Question 4

High-rise buildings are divided into two groups: “______ High-Rise” and “______ High-Rise.”

Answer 4

EXISTING high rise

NEW high rise

Question 5

Existing High-Rise Buildings are ones which were constructed prior to July _____. Approximately ____ of the high-rise buildings in Los Angeles are in this category.

Answer 5

1974

520

Question 6

existing highrise buildings may be divided into two sub-groups: those constructed prior to ___ and those constructed between ____ and ____.

Answer 6

1960 (pre 60s)

1960 and 1974

Question 7

A New high-rise building is one, which was constructed after July ____. Approximately ____ of the high-rise buildings in Los Angeles are new high-rises.

Answer 7

1974

225

Question 8

Prior to 1957, all buildings in Los Angeles were limited to ___ ‘ in height for earthquake safety.

Answer 8

150’

Question 9

A “High-Rise Retrofit Program” was initiated by the LAFD and the state in ____ (year) to bring pre 60 buildings into conformance with newer building codes.

Answer 9

1976

Question 10

Fire protection equipment in pre-1960, high-rise buildings was initially limited to systems not interconnected:

Answer 10

1. Dry (Class I) standpipes supplied by Fire Department pumpers, if needed.
2. Wet (Class II) standpipes with fire hose. The water for these is supplied by the domestic system. These are intended for occupant use.
3. Automatic fire sprinklers in basements.

Question 11

Type I building is designed to withstand the most severe fire to be expected within the building for ___ or more hours without structural failure.

Answer 11

2

Question 12

Type 1 construction in high-rise building used Steel Beams Coated With a Fire Retardant Material commonly known as ____ - _____.

Answer 12

Mono-Kote

Question 13

Each new high-rise is required to maintain a ___-hour rated Fire Control Room previously known as the building control station, in an approved location (usually the ground floor).

Answer 13

1 hour

Question 14

In new high rise buildings Elevator vestibules have a minimum ___ hour fire rating.

Answer 14

1 hour

Question 15

In new high rise buildings, the perimeter windows must be openable or have breakable tempered glass in each corner and every ___ linear feet

Answer 15

50 linear feet

Question 16

In new high rise buildings, the emergency back up generators must be available for at least ___ hours at full use.

Answer 16

8 hours

Question 17

Most new high-rise buildings have an Emergency Helicopter Landing Facility on the roof. The number inside the ___’ by ___’ pad identifies the load capacity of the pad in thousands of pounds.

Answer 17

50’ x 50’

For example, a number 10 indicates 10,000 pounds.

Question 18

As a result of the First Interstate Bank Building Fire in May ____ (year), a Retrofit Sprinkler Ordinance was passed in August of 1988 requiring installation of fire sprinklers in all existing high-rise office buildings.

Answer 18

1988

Question 19

Breakable tempered glass in high rise buildings are identified by ___” minimum luminous or reflective Decals in a lower corner which indicates they are “tempered glass,”

Answer 19

2”

Question 20

•A halon total flooding system will rapidly dump compressed halon gas into a sealed room upon either automatic or manual activation. ___ percent or more of the volume of the room will then be composed of halon gas.

Answer 20

5 percent

Question 21

Halon will decompose into toxic gases, principally phosgene, if permitted to heat to approximately ___ degrees Fahrenheit.

Answer 21

900 degrees