News
Oct. 2007 - Nicholson Employing a Variety of Geotechnical Construction Techniques Across The Country
From a design-build earth retention package in Salt Lake City to micropile foundations in Lower Manhattan, Nicholson is demonstrating its range and versatility across the United States. Some recent highlights include:
Deep Foundations
Casselman Wind Power
Somerset, PA
Nicholson installed 192 micropiles for eight new wind turbines. Since the new turbines are being constructed on mine spoils, micropiles were the ideal foundation system.
Paradisus Resort
Rio Grande, Puerto Rico
Nicholson installed 793 augercast piles at the Paradisus luxury resort in Puerto Rico.
Earth Retention
World Trade Center Transportation Hub
New York City
For Lower Manhattan's new high-profile transit station, Nicholson is installing micropiles, anchors and jet grouting. The challenging work is being completed in, and around, active subway tunnels.
New York Law School
New York City
As part of the NY Law School expansion project, Nicholson constructed 65,000 square feet of diaphragm wall and 44 load bearing elements (barrettes) to depths of 106 feet - a record for excavation support in Manhattan.
City Creek Center - Block 76
Salt Lake City, UT
For this mixed-use development, Nicholson is providing the turnkey design-build earth retention package, which includes diaphragm walls and soil nail walls. Nicholson is also underpinning with micropiles and installing jet grouting for water control. Solee Data’s CYCLOPS system is providing real-time monitoring of earth support systems.
Abingdon Heights
Arlington, VA
Nicholson designed and constructed a permanent earth retention system consisting of 44 load bearing elements (barrettes) with 44 permanent anchors for a new condominium tower with three levels of underground parking.
North Shore Connector
Pittsburgh, PA
To support the construction of twin light rail tunnels under Pittsburgh’s Allegheny River and two new underground stations, Nicholson is employing the following techniques: diaphragm walls, jet grouting, cutter soil mixing, cement-bentonite walls, anchors, and permeation grouting.
Hoover Dam Bypass
Boulder City, NV
Nicholson recently completed several specialized geotechnical drilling contracts for the Hoover Dam Bypass, a new bridge that will cross the Colorado River 1,500 feet downstream from the Hoover Dam.
Ground Treatment
McCook Reservoir
Chicago, IL
For the U.S. Army Corps of Engineers Chicago District, Nicholson is constructing a grout curtain to depths of 390 feet around a new surface reservoir using a computer-monitored grouting system.
UNC Skipper Bowles Center
Chapel Hill, NC
Nicholson installed jet grout lagging along 344 feet of pipe pile lagging wall for the Skipper Bowles Center storm drain replacement project.
Ground Improvement
LaGuardia Airport
Queens, NY
For the new Aircraft Rescue & Firefighting facility at LaGuardia Airport, Nicholson installed 706 stone columns. The Jean Lutz data recorder system documented the stone column installation parameters and ensured compliance with the project specification.
Edison Lakes Medical Center
Mishawaka, IN
Nicholson performed vibro-compaction to depths of 41 feet for a new hospital building and utility structure.
Date: October 19, 2007
Contact: Brian O'Gara
Phone: 412-221-4500
Fax: 412-221-3127
Email: bogara@nicholsonconstruction.com