Roof Top Structure Means Of Egress Requirement

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.

Roof top structure means of egress requirement.

Life safety means of egress exits nfpa 101 properly designed exits provide a safe path of escape from a fire or other emergency environment. A staircase or fire escape can also be part of a means of egress. One important caveat here is that each form of egress has to satisfy current building codes. However there are some basic requirements that apply to most if not all means of egress evaluations.

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. The means of egress exits should be arranged to permit all occupants to reach a safe place before they are endangered by fire smoke or heat. Stipulations placed on the exit discharge include a minimum width 44 inches or the width of the exit clear ceiling heights 8 feet and a prescribed slope of 1 12 or less. For example 1910 37 now requires that a means of egress be at least 28 inches wide.

Windows must meet certain size requirements to be considered compliant to code as a point of egress. This means structures like older fire escapes will likely not count as an official means of egress. Washington dc rooftop decks. The goal is for everyone to leave the hazardous areas.

Parking garages where vehicles are mechanically parked shall be permitted to have one exit or access to a single exit. For other than group h and i 2 occupancies the capacity in inches of means of egress components other than stairways shall be calculated by multiplying the occupant load served by such component by a means of egress capacity factor of 0 15 inch 3 8 mm per occupant in buildings equipped throughout with an automatic sprinkler system installed in accordance with section 903 3 1 1 or 903 3 1 2 and an emergency voice alarm communication system in accordance with section 907 5 2 2. Rooftop structure doghouse containing a door that leads to a set of stairs. The exact size requirement may vary according to your state or local code but if a firefighter in full uniform can fit through the window odds are it is large enough.