Occupied Roof Egress

The egress from the space must be sized for the roof occupant load and must be continuous to the exit discharge at grade.

Occupied roof egress.

Occupied rooftops and terraces are considered special purpose roofs and are subject to section bc 1607 11 2 2 for minimum live load requirements. 1006 3 egress from stories or occupied roofs. Areas for green roofs not intended for human occupancy are subject to section bc 1607 11 3 for minimum live load requirements. Substituting a performance oriented criterion such as a requirement that a means of egress be of adequate width to support building occupants would eliminate the minimum width but might also reduce the protection provided to those seeking to leave the workplace.

The number of exit stairs required is specified in table 1006. The path of egress travel to an exit shall not pass through more than one adjacent story. The stairway must be enclosed in a penthouse at the roof level. The means of egress system serving any story or occupied roof shall be provided with the number of exits or access to exits based on the aggregate occupant load served in accordance with this section.

I would allow the use of the roof since it should be a. Access to an occupied roof is required to be by stairway meeting the code requirements for exit stairs specified in section 1011. Paragraph 7 2 1 5 8 9 from nfpa 101 says that roof doors have to either allow free egress from the roof or be kept locked. The means of egress system serving any story or occupied roof shall be provided with the number of exits or access to exits based on the aggregate occupant load served in accordance with this section.

The state architect office responsible for public schools will define these area as occupied assess as part of the egress provisions a 4 outdoor assymbly or a 3 if less than 500. For example 1910 37 now requires that a means of egress be at least 28 inches wide. Roof access and egress. The area of the occupied roofs shall not be included in the building area as regulated by section 506.

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 means of egress system serving any story or occupied roof shall be provided with the number of exits or access to exits based on the aggregate occupant load served in accordance with this section.