Doors, Stairs, and Hallways

Question 1

If the egress door does not swing over the exterior landing, how far below the threshold can the landing be?

Answer 1

7 3/4 inches.

Question 2

Can a doorway interrupt the stairwell’s continuity.

Answer 2

Yes.

Question 3

The width of the landing should not be less than the width of what?

Answer 3

The door.

Question 4

What depth should every landing measure in the direction of travel?

Answer 4

At least 36-inches.

Question 5

The required width of a hallway is?

Answer 5

At least 36”.

Question 6

What is the minimum tread depth on a regular stair?

Answer 6

10-inches.

Question 7

What width should a stairway measure above the handrail?

Answer 7

36-inches

Question 8

The minimum concentrated load on a 4 square inch area stair tread is ?

Answer 8

300 pounds

Question 9

If the non-egress door swings in, and there’s no more than two risers, there’s no need for what?

Answer 9

An outside landing

Question 10

What is the minimum tread depth of a winder stair measured at any point?

Answer 10

6 inches

Question 11

What is the maximum riser height for a winder stair?

Answer 11

7 3/4 inches

Question 12

What diameter handrail does a Spiral staircase require?

Answer 12

1 1/4 to 2 inches

Question 13

A handrail on one side is needed if you have this many risers?

Answer 13

4 or more

Question 14

A handrail should allow the user to maintain a consistently secure grip without doing this?

Answer 14

Twisting the fingers or letting go

Question 15

If there’s only one handrail, the minimum clearance at and below the rail is?

Answer 15

31 and 1/2 inches

Question 16

If there’s a handrail on both sides of the stairs, what should the clearance at and below the rail be?

Answer 16

27 inches

Question 17

How many inches can stringer trim boards project into the stairway width?

Answer 17

No more than 4 and 1/2 inches

Question 18

A stairway should not have a vertical rise larger than ______ between floor levels or landings.

Answer 18

12-feet

Question 19

Unless the lights are continuously illuminated or automatically controlled, lights switches are required with how many risers?

Answer 19

6 risers or more

Question 20

What height should the headroom in all parts of a stairway be?

Answer 20

Not less 6 feet 8 inches.

Question 21

What tread depth does not require a nosing?

Answer 21

11 inches or more

Question 22

What is the minimum riser height?

Answer 22

4 inches

Question 23

What is the maximum riser height of a regular stair?

Answer 23

7 and 3/4 inches

Question 24

On stairways with a tread depth less than 11 inches and with solid risers, what size nosing should there be?

Answer 24

3 /4 inches and not more than 11/4 inches.

Question 25

Stairways should be at least 36 inches wide measures above the _______.

Answer 25

Handrails

Question 26

The walking surface of the stairway treads and landings should not be sloped more than________.

Answer 26

1:48 or 1/4:12

Question 27

Where should the light be if the exterior stairs go from ground level down to a basement?

Answer 27

At the bottom of the stairway.

Question 28

What’s the greatest riser height difference allowed within any flight of stairs?

Answer 28

3/8 of an inch.

Question 29

Enclosed accessible space under stairs should be protected on the enclosed side with what?

Answer 29

1/2-inch gypsum board.

Question 30

The width of the landing cannot be less than the width of the what?

Answer 30

Stairway.

Question 31

What is the minimum winder tread depth measured at a 12-inch walk line from the narrowest point?

Answer 31

10-inch

Question 32

The tread depth of all spiral stairs must be?

Answer 32

Identical

Question 33

The minimum height of a horizontal guard should be?

Answer 33

36 inches.

Question 34

A 36 inch guard should be on the open side of stairs it the rise is what?

Answer 34

30-inches or above.