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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.
Tom Silva oversees the installation of the steel stairs. Richard Trethewey gives Kevin an update on the mechanicals.
Roger Cook installs two concrete storage tanks that are part of the underground water collection system. Norm Abram travels to Middletown, Rhode Island, to see the custom mill shop that is machining the stair treads.