Designers typically specify the reinforcement position by specifying concrete cover (1 1/2 to 2 inches ... of Welded Wire Reinforcement in Slab-on-grade" (TF 702-R-08) WRI Tech Facts.

Owners and architects choose polished concrete as an alternative to floor coverings, but the results can be particularly disappointing when polishing is specified for an elevated slab. Most ...

The simplest is to pour the slab directly on grade. In this case ... of over a foot or so, then cover the excavated area with a layer of sand before pouring the concrete. You'll need to smooth ...