BOSTON- CHELSEA- TOBIN BRIDGE TOLL PLAZA AND ADMINISTRATION BUILDING DEMOLITION

Demolish the existing Toll Plaza, including toll booths, toll islands and overhead canopy. The work also includes filling the void space of the toll booth with a pre-cast concrete slab, removing all the utilities that feed the plaza area, installing shielding on the upper deck to protect traffic on the lower deck, creating a work zone using temporary concrete barrier and installing temporary signage for construction