Products

Stair Treads

Information

StairTreads
Sizes 900mm, 1050mm, 1250mm


For stairways built for access to a working scaffold, each tread and landing shall be designed to support the more unfavourable of:
Either

a) a single load of 1,5 kN in the most unfavourable position, assumed to be uniformly distributed over an area of 200 mm x 200 mm or over the actual width if it is less than 200 mm,
or
b)an uniformly distributed load of 1,0 kN/m2.

The structure of the stairways shall be capable of supporting a uniformly distributed load of 1,0 kN/m2 on all treads and landings within a height of 10 m.


From BS EN 12811-1, the load on the stringer is :
The structure of the stairways shall be capable of supporting a uniformly distributed load of 1,0 kN/m2 on all treads and landings within a height of 10m.