Title 16 - Buildings and Construction

16.300.100 Building Code - Incorporation

16.300.503.1.4

Section 503.1.4 of the International Building Code is hereby amended to read as follows:

503.1.4 Occupiable roofs. A roof level or portion thereof shall be permitted to be used as an occupied roof provided the occupancy of the roof is an occupancy that is permitted by Table 504.4 for the story immediately below the roof. The area of the occupiable roofs shall not be included in the building area as regulated by Section 506. An occupiable roof shall not be included in the building height or number of stories as regulated by Section 504, provided that the penthouses and other enclosed rooftop structures comply with section 1511.

Exceptions:

1.

The occupancy located on an occupied roof shall not be limited to the occupancies allowed on the story immediately below the roof where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2 and occupant notification in accordance with Section 907.5.2.1 and 907.5.2.3 is provided in the area of the occupied roof. Emergency voice/alarm communication system notification per Section 907.5.2.2 shall also be provided in the area of the occupiable roof where such system is required elsewhere in the building.
2.

Assembly occupancies shall be permitted on roofs of open parking spaces of Type I or Type II construction, in accordance with the exception to Section 903.2.1.6.
3.

An occupied roof shall be permitted to have one unisex restroom not to exceed 80 square feet in area without increasing the height or number of stories of a building.

(History: Ord. No. BC-3499 §22, 2026; Ord. BC-3286 §20, 2020)

Effective on: 1/1/1901