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Posted By lewes
Im fully aware that a workplace has to have safe access and egress.
We have a set of internal stairs in an existing building leading from the parts dept on the ground floor to the first floor store room and has at least one turn in the stairs.
Is there a maximum size of step be it in height, width or depth ???
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Posted By Steve Holliday
Lewes,
I don't know the actual numbers but you will find them in The Building Regulations 1991, Approved Document K - Stairs, ramps & guards.
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Posted By Bob Thompson CMIOSH
The formula is 2RG per step eg the step tread should be twice the hight
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Posted By Jonathan Sandler CMIOSH
Refer to Building Regs for step size ect...
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Posted By Alan Hoskins
There is also a limit on the maximum number of steps before you have to install a landing.
Alan
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Posted By David Tilsley-Curtis
Sound very much like you have a set of 'Industrial type Stairs'. If so they would fall under the range of BS 5395 Part 3, this states that there should be a maximum of 16 risers for striaght stairs in a single flight/ it also states that there should be a change of line or direction of not les than 30° after 32 risers for striaght stairs. The relationship between the rise and the going is also a function of the pitch angle of the stairs.
We could offer some more detailed advise if more specific information were available.
David
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Posted By stevehaigh
Recommendations are:
1200mm wide
170mm or less in height
250mm deep
Hope that helps.
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