BOOK 100 Building Design And Fire Protection System Flashcards
What are the 3 major design concerns in relation to new high rise construction?
- Life safety
- Property protection
- Continuation of operations
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 ___.
745
About ___ to ___ percent of high rise buildings in LA are habitational, such as hotels, apartment buildings, and condos.
20-25 percent
High-rise buildings are divided into two groups: “______ High-Rise” and “______ High-Rise.”
EXISTING high rise
NEW high rise
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.
1974
520
existing highrise buildings may be divided into two sub-groups: those constructed prior to ___ and those constructed between ____ and ____.
1960 (pre 60s)
1960 and 1974
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.
1974
225
Prior to 1957, all buildings in Los Angeles were limited to ___ ‘ in height for earthquake safety.
150’
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.
1976
Fire protection equipment in pre-1960, high-rise buildings was initially limited to systems not interconnected:
- Dry (Class I) standpipes supplied by Fire Department pumpers, if needed.
- Wet (Class II) standpipes with fire hose. The water for these is supplied by the domestic system. These are intended for occupant use.
- Automatic fire sprinklers in basements.
Type I building is designed to withstand the most severe fire to be expected within the building for ___ or more hours without structural failure.
2
Type 1 construction in high-rise building used Steel Beams Coated With a Fire Retardant Material commonly known as ____ - _____.
Mono-Kote
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).
1 hour
In new high rise buildings Elevator vestibules have a minimum ___ hour fire rating.
1 hour
In new high rise buildings, the perimeter windows must be openable or have breakable tempered glass in each corner and every ___ linear feet
50 linear feet
In new high rise buildings, the emergency back up generators must be available for at least ___ hours at full use.
8 hours
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.
50’ x 50’
For example, a number 10 indicates 10,000 pounds.
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.
1988
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,”
2”
•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.
5 percent
Halon will decompose into toxic gases, principally phosgene, if permitted to heat to approximately ___ degrees Fahrenheit.
900 degrees
