Per osha 1910 23 d 4 the side rails of through or sidestep ladders must extend 42 inches above the top of the access level or landing platform served by the ladder.
Ibc roof access ladder requirements.
Then the roofing contractor needs to provide safe working for the roofing workers.
Ibc roof access stairs ibc roof access stairs jkw05 structural op 8 jun 07 14 56.
To protect the worker exiting a ladder osha requires a 42 inch high grab bar extension above the access level or landing platform at the top of the ladder.
Here s an osha booklet on stairs and ladders.
The requirement for a cage comes when you have a fixed ladder longer than 20 feet.
The side rails of through or side step fixed ladders shall extend 42 inches 1 1 m above the top of the access level or landing platform served by the ladder.
In this case the architect would not provide anything.
In buildings in occupancy group r 2 complying with item 4 of section 1021 2 roof access shall be governed by item 4 6 of such section.
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.
Such hatches shall be located within the stair enclosure and be provided with a stationary noncombustible access ladder or alternating tread device.
It appears there aren t any code requirements for roof access for single story buildings.
The building owner has provided no access to the roof none is required per building code and no fall protection on the roof.
Note to paragraph d.
The regulations say that if a fixed ladder is taller than 20 feet you are required to have a cage which meets all the requirements of 29 cfr 1910 27 d.
If the parapet is continuous the access level shall be the top of.
Figure d 3 example of counterbalanced hatch cover at roof.
Section 1910 28 establishes the employer s duty to provide fall protection for employees on fixed ladders and 1910 29 specifies the criteria for fall protection systems for fixed ladders.
That s where ladder cages come in.
For a parapet ladder the access level shall be the roof if the parapet is cut to permit passage through the parapet.
For example does a one or two story office building have to have an alternating tread device through a roof hatch.
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.
Here are the basics of the requirements.