Placing a foundation for a structure is serious business—even without unusual site or soil conditions to worry about. If mistakes are made, they will be costly and at best difficult to correct after the fact—if, indeed, they're correctable. Foundation problems and failures rarely result from a deficiency in the concrete mix. They usually result from inadequate thought, planning, and supervision, and reflect a breakdown in communication between the builder and the formwork subcontractor. Better planning and management of this phase of the operation can prevent such mistakes. Qualify Your Sub For starters, give yourself a break and begin with a form sub who knows what he's doing. What should you look for in a form sub? Reliability, of course, and a price