TB 54 Hazardous/ Illegal Mezzanines

Question 1

A fully sprinklered building must have sprinklers installed ____ any mezzanine

Answer 1

above and beneath

Question 2

A mezzanine or mezzanine floor is an _____ placed in any story or room.

Answer 2

intermediate floor

Question 3

When the total area of any such mezzanine floor exceeds____ percent of the total floor area in that room, it shall be considered as constituting an additional “story” in the building.

Answer 3

33-1/3

Question 4

The clear height above or below a mezzanine floor construction shall be not less than ____.

Answer 4

seven feet.

Question 5

The fire-resistive time period need not exceed ____ for unenclosed mezzanines constructed in accordance with Item Number 4 below.

Answer 5

one hour

Question 6

There shall be not more than ___ levels of mezzanines in a room.

Answer 6

two

Question 7

However, there is ____ on the number of mezzanines within a room.

Answer 7

no limitation

Question 8

The aggregate area of mezzanines within a room shall not exceed ____ the area of the room in which they are located.

Answer 8

one-third

Question 9

All portions of a mezzanine shall be ____ in which it is located.

Answer 9

open to the room

Question 10

The side of the mezzanine which is open to the room shall be unobstructed except for columns, posts and protective walls, or railings not more than ___ in height.

Answer 10

42 inches

Question 11

___ exits shall be provided from mezzanines having an occupant load of more than ___ or when the area of the mezzanine exceeds 2,000 square feet, whichever is the more restrictive.

Answer 11

Two / ten

Question 12

Mezzanines having ___ exits need not open into the story in which they are located, provided at least one of the exits gives direct access to a protected exit corridor, an exit court, enclosed exit stairway, exterior exit, exterior exit balcony, or exit passageway.

Answer 12

two or more