This is in response to your april 30 1999 fax asking for clarification of osha s policy regarding the use of scaffold stair towers for access to upper floors during construction of multistory buildings.
Scaffold stair tower regulations.
Scaffolding hazards continue to rank high on the list of the most frequently cited standards in the construction industry.
Misuse of the scaffold where a ladder is used on a tower causing it to overturn or when a person falls while the tower is being moved.
When scaffold platforms are more than 2 feet 0 6 m above or below a point of access portable ladders hook on ladders attachable ladders stair towers scaffold stairways towers stairway type ladders such as ladder stands ramps walkways integral prefabricated scaffold access or direct access from another scaffold structure.
Pictured is a typical stretcher double stair access tower with a top landing height of 12 metres.
Stair tower scaffold stairway tower means a tower.
The scaffold stair towers are the most common and safest method of obtaining access to scaffold units and should be included within this subpart.
Erection and dismantling the manufacturer supplier or hirer has a duty to provide an instruction manual explaining the erection sequence including any bracing requirements.
All layher stairs meet u s.
Easy reach stair units are fully welded to australian standards as 1576 1 as1657.
Uses standard layher components.
In particular one commenter ex.
2 368 suggested that osha insert a new paragraph 1926 451 c 5 as follows.
Stair towers have standard layouts of 10 12 or 16 legs.
When scaffold stairs are used for access to locations other than scaffold platforms the provisions of 1926 subpart x apply.
C permanent stairways shall comply with the applicable provisions of the general industry safety orders.
I have inside and or outside handrails.
Tg20 13 provides compliant scaffolds for a limited range of cantilever scaffolds loading bays static towers use of rakers bridges and protection fans.
They are available in 2 0m 1 5m and 1 0m rises.
Prefabricated scaffold steps or stairs manufactured on or before may 28 2005 shall comply with the design manufacture and installation requirements of either the american national standard ansi a10 8 1988 scaffolding safety requirements or the ansi asse a10 8 2001 safety.
Comfort stairs used to configure a landing type stair tower for allround or speedyscaf scaffold constructions.
Whether subpart l or subpart x requirements apply to scaffold stair towers used for access to multistory buildings.
Internal access decks provide working decks bracing elements and access all in one.