Building Design And Fire Protection Systems

Question 1

What is the definition of a high rise?

Answer 1

A building over 75’ measured from the ground level to the floor of the highest occupied floor

Question 2

“New” high-rise buildings were constructed after what year?

Answer 2

Post ‘74

Question 3

What building type are high-rises?

Answer 3

Type 1- non-combustible

Question 4

Pre- 60’s have what fire protection systems?

Answer 4

Class 1 dry standpipe (4 or more stories)
Class II hose cabinets (3 or more stories)
Sprinklered basements

Question 5

How long are type 1 buildings designed to withstand structural damage from fire?

Answer 5

2 hours

Question 6

In class III standpipes, what is the most common method of controlling water pressure at various floors?

Answer 6

Orifice plates

Question 7

What is the definition of a combined system?

Answer 7

Sprinkler system is fed by the same riser as the fire department 2.5” outlets

Question 8

A looped standpipe system is required in buildings over how high?

Answer 8

275’

Question 9

What is the minimum fire rating of stair shafts and other vertical shafts?

Answer 9

2 hours

Question 10

What is the minimum rating for fire control rooms?

Answer 10

1 hour

Question 11

What is the minimum rating for elevator vestibules?

Answer 11

1 hour

Question 12

New high rises have breakable windows in what locations?

Answer 12

Corners and every 50’

Question 13

HVAC systems for smoke removal must provide a minimum of?

Answer 13

6 air changes per hour

Question 14

Generators powering the fire life safety system must be able to operate for how long?

Answer 14

8 hours

Question 15

What is the size of helipads on high rises?

Answer 15

50’ x 50’

Question 16

What does the number on the helipad indicate?

Answer 16

The load capacity of the pad in thousands of pounds.

Ex: 10 = 10,000 pound rating

Question 17

How large must the opening be of the breakable glass every 50’ of a high-rise?

Answer 17

20 square feet

Question 18

How is the breakable glass in the corners and every 50’ of high-rises identified?

Answer 18

By a 2” laminated decal saying “tempered glass” or “automatic smoke removal system”

Question 19

Halon 1301 extinguishing systems are particularly dangerous to firefighters because it becomes phosgene at what temperature?

Answer 19

900 degrees

Question 20

According to book 100, what info is required on the Floor level signs in the stairwells?

Answer 20

Floor level
Stair #
Floors served by the stairwell
Roof access or not

Question 21

True or False

According to book 100, all buildings over 150’ have building address systems?

Answer 21

True

Question 22

According to book 100, in a high rise, a stairwell that is not connected to the main stairwells but is used to connect businesses occupying more than 1 floor must be protected from vertical fire spread by what?

Answer 22

Drop down rolling steel doors rated at 2 hours

Question 23

According to book 100, what may cause oxygen deficiency in a high rise?

Answer 23

Buildings HVAC system is shut down

Question 24

According to book 100, what may a high rise have instead of tempered breakable glass for ventilation?

Answer 24

Openable windows or mechanical smoke removal systems

Question 25

According to book 100, in high rise buildings, stairwells that don’t penetrate the roof must have a hatch at least ____ square feet leading to the roof.

Answer 25

20 square feet

Question 26

According to book 100, in a high rise, public address communications are required in rooms with an occupancy load of how many people?

Answer 26

50 or more

Question 27

According to book 100, what is the minimum size of fire control rooms?

Answer 27

200 square feet

Question 28

According to book 100, in a high rise emergency power should operate within how much time of losing power?

Answer 28

10 seconds

Question 29

According to book 100, horizontal exit corridors are required to be?

Answer 29

Illuminated at all times

Question 30

According to book 100, exterior fire escapes are required to have wired glass or other protection from windows how many feet from the fire escape?

Answer 30

5 feet to both sides