133 Projects

General Edwards Bridge

Lynn-Revere
,
MA
Project Contacts:

The General Edwards Bridge is a multiple-span steel-girder bridge over the mouth of the Saugus River where it flows into the Atlantic Ocean. The central moveable span over the main navigation...

Auburn Street Bridge, Mystic Valley Parkway

Medford
,
MA
Project Contacts:

The Auburn Street Bridge spans the Mystic River. Constructed in 1906, the single-span concrete arch bridge has abutments that act as large-spread footings. Undermining of the abutments and wing...

Andrews Building, North Wharf

Nantucket
,
MA

Originally a single-family house, the two-story, timber-framed building in Nantucket Harbor was in serious disrepair. The owner wanted to preserve and rehabilitate the building on North Wharf and...

Massachusetts Institute of Technology, Rockwell Athletic Cage Building (W33)

Cambridge
,
MA
Project Contacts:

The W33 Cage Building is a 28,000 sq ft athletic facility with a roof structure that comprises arched-chord lattice trusses with 100 ft spans. MIT wanted to restore the wood trusses, which have...

MacMillan Pier Floating Dock

Provincetown
,
MA
Project Contacts:

The concrete floating dock on MacMillan Pier incorporated concrete-encased polystyrene floats with light reinforcement in the top and bottom slabs. During its first year of service, the dock...

Massachusetts Bay Transportation Authority, Charles/MGH Station

Boston
,
MA
Project Contacts:

The structure for the Massachusetts Bay Transportation Authority (MBTA) Charles Street/MGH Station included a 1914 riveted steel, through-girder viaduct that carries two tracks of the MBTA’s Red...

Central Arizona Project

Tucson
,
AZ
Project Contacts:

The 252 in. dia. concrete pipe is used in siphons to convey water in the Central Arizona Project and is the largest diameter pipe in the world. The pipes have a 19.625 in. thick concrete...

Massachusetts Water Resource Authority, Walnut Hill Treatment Plant, Cosgrove Intake Pipeline

Marlborough
,
MA
Project Contacts:

The Cosgrove Intake pipeline, a 144 in. dia. prestressed concrete cylinder pipe (PCCP), at MWRA’s Walnut Hill Water Treatment Plant Project was completed in early 2004 as a part of the water...

Central Artery/Tunnel Project Slurry Walls

Boston
,
MA
Project Contacts:

The Central Artery/Tunnel (CA/T) Project relocated Boston’s elevated Central Artery below ground. The CA/T tunnel walls used soldier pile tremie concrete (SPTC) slurry walls as a component of the...

University of Massachusetts, Boston Harbor Campus

Boston
,
MA
Project Contacts:

The UMass Boston Harbor Campus, originally constructed in the early 1970s, included five buildings. A plaza level two stories above grade interconnects these buildings and there are two...

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