Ibc Roof Hatch Size

2015 ibc 1011 12 2 roof access states.

Ibc roof hatch size.

If the hatch is provided for. Scuppers shall not have an opening dimension of less than 4 inches 102 mm. 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. Minimum opening size the 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches.

Aegisfpe you are describing the exception to ibc section 901 2 which would not specifically apply to your situation. In buildings of 4 or more stories above grade plane ibc requires certain buildings to provide access to the roof. See the full ibc documentation online for complete information on this topic. In buildings without an occupied roof access to the roof shall be permitted to be a roof hatch or trap door not less than 16 square feet 1 5m2 in area and having a minimum dimension of 2 feet 610 mm.

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. Aegisfpe i m really not sure what the size of a roof hatch has to do with fire prevantion which is what the two sections you cite refer to. Davew1 i vote yes.