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Tom Silva oversees the installation of the steel stairs. Richard Trethewey gives Kevin an update on the mechanicals.
Tom Silva shows Kevin how he's creating a modern look inside by using minimal wood trim around the windows. Roger Cook starts installing 18 tons of bluestone in the front courtyard.
Roger Cook shows host Kevin O'Connor how he's installing a pre-fabricated pitched structural foam trench drain. Kevin visits the Stata Center at MIT.