A Tale of Two Towers: The Structures
In preparing two lots in New York City's Times Square as sites for modern skyscrapers, engineers devised foundations and structural systems that would allow for subway lines,...

Northern Exposure
Traffic growth on a Massachusetts highway leading to New Hampshire called for new lanes and replacement of all of the bridges. Wide medians aided the work; narrow ones complicated matters....

Power Shift
Engineers designing a Manhattan skyscraper with offices in the lower floors and residences in the upper found that they had to employ several unusual methods to accommodate client needs....

Rebuilding the Winter Garden
The terrorist attacks of September 11 partially destroyed the Winter Garden, a majestic public apace that connected the World Trade Center to the Hudson River waterfront on the perimeter...

Wetlands at Work
As urbanization spread to the southern portion of Staten Island—the home of New York City's last large stand of freshwater wetlands—the New York City Department of Environmental...

Pressure Relief
When the two basins making up a 90 acre reservoir in New York needed to be emptied and cleaned, engineers decided to use the 2,750 ft (840 m) long concrete wall dividing them as a dam....

The Creeping Storm
During the past 40 years the U.S. Army Corps of Engineers has spent nearly a billion dollars constructing a barrier around the low-lying city of New Orleans to protect it from hurricanes....

Restoring PATH
Service from northern New Jersey to lower Manhattan on the Port Authority Trans-Hudson (PATH) commuter rail system will soon be restored thanks to a speedy rehabilitation of tunnels and...

The Pocono Creek Goals-Based Watershed Management Pilot Study-Phase 2
Phase 2 of the Pocono Creek Pilot Study begins with focusing on the issues identified in Phase 1 and prioritizing them on a watershed wide scale. The Pocono Project worked through the...

Sediment Remediation at the Unnamed Tributary to the Ottawa River
A sediment removal action was conducted in the Unnamed Tributary to the Ottawa River to address sediments containing polychlorinated biphenyls(PCBs) at concentrations up to 74,000 mg/kg....

Transformation
The site of a former wastewater treatment plant in western New York State is now home to a sprawling public works complex thanks to an inventive reuse scheme that consolidates public works...

A River Runs through It
The new stadium under construction for the New England Patriots is architecturally and structurally unique, but it is also attracting attention for another reason: the restoration of a...

Rising Tide
In an effort to accommodate a new light-rail system in New Jersey between Camden and Trenton, the state's Department of Transportation began the formidable task of enhancing...

Metamorphosis
Ranked as one of the 15 tallest buildings in New York, the headquarters of the Bear Stearns Companies, Inc., is a 45-story skyscraper that is 815 ft (248 m) tall. Replacing an existing...

Repeat Performance
Working with a budget of $10 million, engineers designing a new high-rise residential structure in New York City had to find creative ways to control costs. One budget-saving idea was...

Big Idea
The reconstruction of the Big I—the intersection of interstate routes 25 and 40 in Albuquerque that was named for its appearance from the sky—was likely to disrupt commuters and interstate...

Small Firms, Big Dig
The local knowledge and technical expertise found in small engineering firms are often critical to the success of large projects. As one of the most comprehensive design and construction...

Competitive Edge
A new design system called the simplified economical bridge design (SEBD) makes steel cost-competitive with concrete for short- and medium-span bridges for the first time. In fact, a comparative...

Extended Life Span
The Harlem River Lift Span—part of New York City's Triborough Bridge System—was the largest vertical span in the country at the time of its construction in 1936. The lift...

Towering Achievement
A new headquarters complex being constructed for Goldman Sachs in New York City will rise where a Colgate factory once stood. The complex will incude a high-rise main building, a mixed-use...

 

 

 

 

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