How does superior comply.
Roof access stairs ibc.
Cables in cable railing systems are tensioned to the point where they can actively resist a 4 sphere 4.
Solid risers are required for ibc stairs except for means of egress stairways as long as the opening between treads does not allow a 1 2 inch diameter sphere to pass through.
The original plan was for a ladder.
That is because each of our stair systems is uniquely designed to meet the customer s requirements as far as layout and aesthetic.
The roof is not occupied only access is for equipment.
In buildings without an occupied roof access may be by an alternating tread device.
The building is less than 4 stories and the ladder access would be allowed with a pop up hatch.
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.
What they have installed is a stairway to the pop up.
2006 ibc 1009 11 stairway to roof.
The triangular openings at the open sides of a stair formed by the riser tread and bottom rail shall not allow passage of a sphere 6 in diameter a.
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.
Ibc 1015 5 key exception 1.
The stairway was installed instead of a ladder.
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.
Assuming the minimum width of 36 inches the floor space used by these stairs is 57 75 square feet.
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.
Landings ibc 1011 6 1009 6 3 there must be a floor or landing at the top and bottom of each stairway.