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Flashcards in 4 Building Systems Deck (107)
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1

Convenience stair

Stare that usually connect two floors in a multi story building

2

Rise

Vertical distance between the treads of a stairway or the height of the entire stairway

3

Run

Horizontal measurement of a stair tread or the distance of the entire stair line

4

Means of egress

Save continue this path of travel from any point in a structured to a public way composed of three parts exit access, exit, exit discharge

5

Straight run stairs

Extend in a straight line for their entire length findings may be found breaking up the stairs vertical travel at intervals

6

Return stairs

Intermediate landing between floors and reverse direction at that point

7

Scissors stairs

Two separate sets of stairs constructed in a common shaft, opposing return stairs. May serve opposing floors

8

Circular stairs

Two levels there is been on with inches stairs that curve

9

Folding stairs

Folding attic stairs provide access that doesn't have permanence stairs

10

Spiral stairs

Allows stairs in a place in a small space. Spiral stairs consists of a series of steps spiraling around a single column

11

Protected stair closure

Stair with code required fire rated enclosure construction. Intended to protect documents as they make their way through

12

The only penetrations permitted and protected stairs enclosure are

For light, fire protection, environment control

13

Exterior stairs

Exterior to a building and opened the air, naturally ventilated or partially enclosed

14

Fire escape

Open metal stairs and landings attached to the outside of the building

15

Fire escapes that do exist have been in place for many years because

Codes have not permitted fire escapes in new construction for decades

16

Smoke proof closure

Stairways that are designed to limit the penetration of smoke and toxic gases from a fire on a floor of a building to the stairway and that serving as part of a means of egress

17

Minimum requirement of smoke prove stairs in what type of building

Five stories or higher

18

Smoke proofing may be what two types for stairs

Active or passive

19

Active smoke proof

Activated by automatic detection equipment there handling unit pressure rises stairwell to Push smoke out

20

Maximum and minimum allowable pressure differential between their building is in place for what reason

So that the door can be open with a reasonable amount of force

21

Active smoke proof stairs are entered through

Traditionally straight through the hallway, more recently through pressurized vestibule.

22

Passive smoke proof enclosure

Accessed using a vestibule or exterior balcony, protect stairwell from smoke by providing a means for smoke to be vented outside before entering stairs

23

Open stairs

Not enclosed with fire rated construction typically only permitted if connecting two floors

24

Americans with disabilities act of 1990, public Law 101-336

Federal statute intended to remove barriers physical and otherwise that limit access by individuals with disabilities

25

Most elevator regulations are based on

ASME/ANSI A17.1 safety code for elevators

26

Service elevator

Another term used to describe passenger elevators that have been designed to carry freight

27

Two types of elevators

Passenger and freight

28

Two most common types of power system for hoisting elevators

hydraulic and electric

29

Type of elevator that does not have breaks

Hydraulic

30

Electric elevators are subdivided into

Drum elevators more traction elevators