DTC

As a subconsultant to two firms, DTC has been providing tunnel and bridge inspection services on the following General Engineering Consulting Services Contracts:

• To date, DTC has performed hands-on tunnel inspections in the TWT (Ted Williams Tunnel) and I-93 SB (southbound) Tunnels as well as culvert inspections along I-90 from Rte. 128 to the New York Border.
• To date, DTC has performed in-depth inspections on the Zakim Bridge and the CA/T north side connector loop ramps, and portions of I-90 over the CSX Yard.  Structure types included steel box girders, prestressed concrete box girders, CIP post-tensioned box girders, and steel stingers structural systems.
• To date, DTC has performed hands-on tunnel inspections in the TWT.