Occupant Load For A Roof Terrace

The closest occupancy classification given in table 1004 1 2 of the international building code is 15 gross square feet per person for decks.

Occupant load for a roof terrace.

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 is provided in the area of the. In addition i currently only have two stairs and would need four under this condition. The tower will include intensive and extensive green roof features. And the 7 th floor will have a terrace accessible to the public.

These factors can be found in the model codes. As noted above the occupant load of the roof will ultimately be assigned by the building official. I am planning on reivewing it with the local building official before finalzing any issues. The maximum occupant load of the proposed passive recreational rooftop or terrace does not exceed 74 persons based on floor area per occupant for the proposed function of the space1 2 in accordance.

For a large enclosed courtyard or terrace the doors would swing from the enclosed exterior space into the building. One concern i have is with approximately 15 000 sf of roof my occupant load using 15 sf is 1000 which will probably be more than the entire school. Rooms areas and spaces at the level of exit discharge complying with section 1006 2 1 with exits that discharge directly to the exterior are permitted to have one exit or access to a single exit. Then the building code assigns maximum square feet per person based on bc table 1004 1 2.

However the department of buildings dob may not allow use of the entire roof space. The occupant load is based upon the area of the occupiable space divided by an occupant load factor which varies depending on how the space is used. Determination of occupant load for roof decks. As a general rule the occupant load factors of these areas are calculated basing on 1 5 sqm person.

The occupant load number of dwelling units and common path of egress travel distance do not exceed the values in table 1006 3 2 1 or 1006 3 2 2. 5 7 increase in occupant load 10 5 8 change of major occupancy 12 5 9 other considerations 14. Terrace use is accessory to a principal use within the building in which the rooftop or terrace is located. Does not stipulate the occupant load factors for roof garden roof terrace sky garden and sky terrace.