Access to setback roof areas may be through a door or window opening to the roof.
Ibc roof access stairs.
Another ibc code clarification request.
Width and capacity ibc 1011 2 the number of occupants on each floor will determine the required width of the stairs.
However the very minimum width between handrails is 44 inches.
Access stairs for ibc osha code compliance panel built s prefabricated steel stair systems can be found everywhere from hospitals to warehouses to military bases.
That is because each of our stair systems is uniquely designed to meet the customer s requirements as far as layout and aesthetic.
In short the width is calculated by multiplying the occupant load served by such stairs by a factor of 0 3 inch per occupant.
In buildings without an occupied roof access may be by an alternating tread device.
In order to access a 12 foot high platform an ibc stair would need 21 steps 7 inch rise 11 inch tread making the entire horizontal run of the stairs 19 25 feet.
Assuming the minimum width of 36 inches the floor space used by these stairs is 57 75 square feet.
In buildings located four or more stories in height one stairway shall extend to the roof.
2006 ibc 1009 11 stairway to roof.
The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.