oktopusinc wrote:
I am doing a job in a building that has just been built. The concrete
floor has been poured 10mm low in places and 21mm high in others - does
anyone know the tolerances in British standards for poured concrete. I
may make a clai if they are over the limits.


I don't think there are any.

One wold normally screed over poured concrete anyway. For levelling. Its
a bitch to get it flat at the best of times.