Sumner/Callahan Tunnels Vent Buildings
East Boston , MA


Working for the Massachusetts Turnpike Authority as the prime contractor on a complete rehabilitation of the vent fans in the Sumner/Callahan tunnels, this $18,000,000.00 project took 4 years to complete and was the first one of its kind in Boston

This project consisted of removal and replacement of a quantity of 12 - 15KV 480-volt distribution unit substations, demolish 40 existing centrifugal tunnel fans and structures, build new concrete foundations and install 28 new fans, install new redundant PLC system to control fans, perform demolition and installation of concrete fan bases, fans and sheet metal fabrication through an 80' high shaft area and asbestos and lead paint abatement.

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