MEMORANDUM
TO:
FR:
RE:
DA:
Richard A. Davey, Secretary & CEO
Frank DePaola, Highway Division Administrator
Ongoing Work in the MHS Tunnels
June 7, 2013
To follow is a summary of maintenance and construction activities performed last week
in the Metropolitan Highway System tunnels.
Please feel free to contact me if you need additional information.
Overnight work:
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After a contractor milled and paved the Copley Square Exit (Exit 22) from the
Prudential Tunnel Eastbound, the contractor is now in the process of installing
elastomeric concrete, an elastic grouting product, around the roadway drain inlets.
The contractor is also installing expansion joint material in the area.
A contractor is doing preparatory work for roadway repairs in the Ted Williams
Tunnel (both directions). The roadway repairs are necessary because of water
infiltration. Preliminary work includes soundings of the concrete to determine the
affected areas of the roadway.
Contractors are also repairing water infiltration at multiple points within the
O’Neill Tunnel (both directions) and on related ramps. Recent work has
concentrated on the Northbound side of the tunnel. While the contractor repairs
areas on the Northbound side, another contracting crew is in the area performing a
routine inspection.
A contractor is performing routine inspections of the I-93 Northbound Tunnel, the
I-93 Southbound Tunnel, a portion of the Zakim Bridge, the I-90 Connector
Tunnel (both directions) and the Prudential Tunnel Eastbound. A contractor is
also inspecting the HOV Tunnel.
A private contractor, working on behalf of Boston Properties, the owner of the
Prudential Center, is continuing ceiling repairs in the Prudential Tunnel
Westbound.
A contractor is continuing to pull-test the ceiling anchors in the Ted Williams
Tunnel (both directions). The contractor has begun installation of a supplemental
ceiling hanger system. The contractor is also making any necessary adjustments
to the installed supplemental hangers.
Substructure repair work in the Storrow Tunnel Westbound has resumed after a
winter layoff. Recent work includes installation of wiring for the new lighting
system, curb grouting and sidewalk installation.
MassDOT cleaned trench drains in the vicinity of Ramp T-L (Tobin Bridge to
Rutherford Avenue).
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MassDOT closed Ramp A (South Boston Bypass Road to I-90 Eastbound) to take
preliminary microsilica soundings as part of a larger project to repair the wearing
surface of the roadway in that area.
MassDOT closed lanes in the I-90 Westbound Tunnel so that workers could
perform a walk-through in preparation for future construction work in the area.
MassDOT performed routine maintenance, monitoring and calibration of the
recently installed carbon monoxide monitors in the Prudential Tunnel (both
directions).