Ibc Roof Access Stairs

In buildings without an occupied roof access may be by an alternating tread device.

Ibc roof access stairs.

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. 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. 2006 ibc 1009 11 stairway to roof. However the very minimum width between handrails is 44 inches.

Another ibc code clarification request. Assuming the minimum width of 36 inches the floor space used by these stairs is 57 75 square feet. 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. That s a lot of space used for a staircase.

In buildings four or more stories or more than 40 feet 12 192 mm in height above grade one stairway shall extend to the roof surface through a stairway bulkhead complying with section 1509 2 unless the roof has a slope steeper than 20 degrees 0 35 rad. Access to setback roof areas may be through a door or window opening to the roof. 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. Width and capacity ibc 1011 2 the number of occupants on each floor will determine the required width of the stairs.