140 Projects

National September 11 Memorial and Museum New York

National September 11 Memorial and Museum

New York
,
NY

The “bathtub” slurry wall at the World Trade Center (WTC) site survived when the WTC towers collapsed in 2001, making it a symbol of endurance. WTC site redevelopers wanted a section of the wall...

Massachusetts State House Boston

Massachusetts State House

Boston
,
MA
Project Contacts:

The State House was constructed in three phases. The original Federal/Georgian building was designed by Charles Bulfinch and completed in 1798. In 1896, a renaissance revival Annex with yellow...

San Francisco War Memorial Veterans Building

San Francisco War Memorial Veterans Building

San Francisco
,
CA

The San Francisco War Memorial Veterans Building and adjacent Opera House are aesthetically-similar, Beaux-Arts structures commemorating U.S. veterans of World War I. The Veterans Building...

Baltimore Center Stage

Baltimore Center Stage

Baltimore
,
MD
Project Contacts:

Looking to position themselves as a leading performing arts destination, Baltimore Center Stage undertook an extensive transformation project. As the structural engineer of record, we designed...

University of the District of Columbia Plaza

University of the District of Columbia Plaza

Washington
,
DC
Project Contacts:

The University of the District of Columbia wanted to renovate the Theater of the Arts building and address ongoing leakage at the same time. The theater building adjoins and lies partially beneath...

The Richardson Olmsted Campus

The Richardson Olmsted Campus

Buffalo
,
NY

Designed by H.H. Richardson and Frederick Law Olmsted in the 1870s, the 203-acre Richardson Olmsted Campus began as the Buffalo State Asylum for the Insane. The 38-building site is listed on the...

Stanley Mosk Library and Courts Building

Stanley Mosk Library and Courts Building

Sacramento
,
CA
Project Contacts:

Completed in 1929, the Stanley Mosk Library and Courts Building is part of the Capitol Extension Group listed on the National Register of Historic Places and is a California Historical Landmark....

706 Madison Avenue New York

706 Madison Avenue

New York
,
NY
Project Contacts:

The retail development at 706 Madison Avenue is five above-grade and two below-grade stories of new construction surrounding an existing landmark building. The project included preserving the two...

Portsmouth Navy Yard, Modular Submarine Enclosure

Portsmouth Navy Yard, Modular Submarine Enclosure

Portsmouth
,
NH
Project Contacts:

The Portsmouth Naval Shipyard owns and maintains a temporary steel modular-enclosure system to protect submarines during overhaul, repair, and modernization operations. While a contractor was...

Minera Escondida, Organic Growth Project 1, Tunnel 4

Minera Escondida, Organic Growth Project 1, Tunnel 4

Atacama Desert
,
Chile
Project Contacts:

Expansion of the Minera Escondida copper mine included constructing a corrugated steel structural plate arch tunnel. The tunnel acts as a buried bridge to carry a haul road over the mine’s...

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