Can a pressure treated foundation be placed on the basement concrete slab?

Hello, My name is Terry and I am a help expert in the building and construction field. Yes, it is possible to construct a treated lumber foundation. It must however, be constructed and inspected by your local building department. There are minimum specifications that can be obtained from the International Residential Code, International Building Code, Universal Building Code, California Building Code and other codes that are specific to different areas of the country. You must work closely with your building official to determine which code you should be following. Structural design is the basis for safety and durability in a structure, and should always be completed by a competent individual. In my area we require that licensed design professionals such as structural engineers and architects be involved with most designs. With wood foundations, moisture and pest deterioration are probably the most significant issues. In some areas, such as California, seismic considerations are also in effect. It is always best to verify CODE SPECIFIC information with your local Building Official and/or Building Department as local laws and codes do tend to vary from jurisdiction to jurisdiction. I hope you have found this helpful! Terry CBO