Synopsis

Kevin O'Connor and plumbing and heating specialist Richard Trethewey visit Echo Bridge, a graceful 500-foot arch completed in 1976 to channel water across the Charles River. Back at the project house, landscape contractor Roger Cook carefully removes a mature shrub from the front walkway, intending to transplant it to the backyard for added privacy. He also updates Kevin on the progress of the new fieldstone sitting wall. In the first-floor parlor, general contractor Tom Silva demonstrates the i