MEMORANDUM
TO:
FR:
RE:
DA:
Richard A. Davey, Secretary & CEO
Frank DePaola, Highway Division Administrator
Ongoing Work in the MHS Tunnels
July 7, 2014
To follow is a summary of maintenance and construction activities performed last week
in the Metropolitan Highway System Tunnels.
Overnight work:
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Contractors are repairing water infiltration at multiple points within the O’Neill
Tunnel (both directions) and on related ramps.
Water infiltration repair work is also underway in the I-90 Connector Tunnel (both
directions) and the Ted Williams Tunnel Eastbound.
A contractor working on behalf of the Massachusetts Convention Center Authority is
performing ongoing ceiling-related construction in the Prudential Tunnel. The
contractor is also installing new fireproofing materials. The contractor continues to
repair the walls and remove supplemental steel and concrete, which requires periodic
lane closures.
A contractor working on behalf of the owner of the Prudential Center continued work
on the ceiling of the Prudential Tunnel Westbound. This is a different section of the
ceiling than what has been noted above.
MassDOT continued the Callahan Tunnel rehabilitation with repairs to the tunnel
wall and installation of the wall panel support system. The tunnel re-opened in
March; rehabilitation work continues with periodic lane closures as needed.
A contractor continued installation of All-Electronic Tolling equipment on the Tobin
Bridge. The work required lane closures in the CANA Tunnel Southbound.
A contractor performed a routine inspection of portions of the I-93 Southbound
Tunnel and related ramps. A contractor also performed a similar inspection on the
Northbound side. A contractor is also inspecting the Eastbound tunnel set.
A contractor continued repairs to the roadway wearing surface near the entry portal of
the Ted Williams Tunnel Westbound.
MassDOT workers replaced a pan, tilt, zoom unit on a traffic camera in the Ted
Williams Tunnel Eastbound and cleaned the lenses of several more nearby cameras.
MassDOT plumbers repaired a faulty flow check valve in a drain line in the Sumner
Tunnel.
MassDOT workers repaired cross-passage doors in the Prudential Tunnel Westbound.
MassDOT workers replaced eight cases of bulbs and 5 ballasts in the CANA Tunnel
Southbound.
MassDOT workers troubleshot a short circuit on a string of fixtures in the CANA
Tunnel Southbound.
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MassDOT workers attempted to repair a Variable Message Sign board with a faulty
display. Workers had to order parts to complete the repairs at a later date. Workers
also cleaned nearby traffic cameras. The work occurred near Ramp W-SS (I-90
Westbound Connector Tunnel, HOV Exit Ramp to South Station).
MassDOT workers performed routine maintenance to an HVAC unit in a fan room in
the Prudential Tunnel Westbound.
A contractor installed a flow meter in a pump station in the S-N Tunnel (Storrow
Eastbound Tunnel to Northbound Leverett Ramp).
MassDOT workers made pothole repairs in the Sumner Tunnel.