Training Bulletin 054- Hazardous/ Illegal Mezzanines

Question 1

A mezzanine or mezzanine floor is an intermediate floor placed in any story or room. When the total area of any such mezzanine floor exceeds ___ - ____ percent of the total floor area in that room

Answer 1

33 percent - 1/3 of the building

Question 2

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

Answer 2

7 ft.

Question 3

the fire-resistive time period need not exceed ___ hour for unenclosed mezzanines constructed.

Answer 3

1 hour

Question 4

There shall be not more than ___ levels of mezzanines in a room. However, there is no limitation on the number of mezzanines within a room.

Answer 4

2 levels

Question 5

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

Answer 5

1/3

Question 6

All portions of a mezzanine shall be open to the room in which it is located. 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 ___ inches in height.

Answer 6

42”

Question 7

Partitioning may be installed on a mezzanine provided the aggregate floor area of the enclosed space does not exceed ___ percent of the area of the mezzanine or have an occupant load exceeding ___, whichever is greater.

Answer 7

10 percent

10

Question 8

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

Answer 8

2 exits

10

2,000 square ft.