Our host catches up with homeowners Jan and Brian Igoe, urging them to vacate the premises before the demolition begins. The guys discuss the strategy of laying down fiberboard to protect the house's oak floors during construction. Tom Silva tracks d... (more)own Richard Trethewey to find out how he plans to heat the new addition. We meet foundation contractor Ken Lewis hard at work digging the front bump-out's footing and learn about the Dig Safe program. (Ken hits an unmarked water pipe.) Then we take a look at the foundation hole for the new addition. A concrete cutter puts a doorway through the old foundation wall to connect with the new cellar. Graham Gund and Rick Bechtel discuss continuing design changes to the new addition.