See the framing progress in the house and options for rebuilding retaining wall in the backyard.

Richard talks with Ted Zoli, structural engineer on one of Charlestown’s most iconic structures, the Zakim Bridge. At the project house, the front of the building is obscured by scaffolding — it will be used to replace the failing asphalt roof and to build the dormer. Inside, Tom shows Kevin how he’ll modify the old chimney for the new gas fireplace units, and they see the framing progress, including the bump out for the breakfast area. The third floor master suite is framed up, except the dormer, still in regulatory limbo. In the backyard, mason Mark McCullough presents options for rebuilding the retaining walls. Norm visits a salvage yard that has architectural elements from the Greek Revival period. Several days later, Mark starts installing the retaining wall. Richard shows Kevin the progress on the rough plumbing and electrical. (Part 3 of 8)