BU498 Preparation for concrete floor slabs (2008)
Product Description
Careful preparation of the building platform and excavation are required to construct the basis of a good-quality floor slab. Specific requirements apply to the laying and compaction of hardfill under the slab.
This bulletin describes the steps required to construct a sound base and covers:
- Building Code requirements
- site investigation, including levels, ground clearances and good ground
- site preparation, including set-out and removal of top soil
- excavation
- formwork
- hardfill
- installing services
- sand blinding
- damp-proof membrane
- insulation
- reinforcing
- embedded floor heating.