There is a new player in the ground engineering and specialty geotechnical construction market in North America…well, sort of. Quanta Subsurface is a collection of (at present) 9 specialty contractors all owned by Quanta Services, a publicly traded EPC company specializing in the Electric Power and Oil and Gas industries. Many of these companies have been around for some time in their various markets, firms like Crux Subsurface. With the formation of Quanta Subsurface, it appears that they are looking to grow their footprint in transmission line sector in particular. The company is being run by several Crux Subsurface executives, including Crux President Nick Salisbury. [Source: Read more at QuantaSubsurface. Image: Crux/Quanta Subsurface]
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Nicholson Completes Emergency Work on Indiana’s I-65
PITTSBURGH, PA – Nicholson Construction recently completed emergency repair work to an unstable pier supporting a bridge on INDOT’s Interstate 65. These repairs enabled a 37-mile section of the highway’s northbound lanes to be reopened after a four-week closure.
The highway was in the process of being rehabilitated and widened when the pier was damaged by steel piles driven into the water tight ground below it. The pier began to settle and eventually rotated ten inches.
Nicholson developed a design-build solution that used micropiles to transfer the loads to more stable soils and low-mobility grouting to fill voids and densify the upper subsurface layer.
[Editor] Read on to hear more about Nicholson’s fix of this unstable bridge pier. [/Editor]
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Crux Subsurface Wins Two 2014 DFI Awards
Congratulations to Crux Subsurface, Inc. on winning the Deep Foundation Institute’s (DFI) 2014 Outstanding Project Award (OPA) and the 2014 C. William Bermingham Innovation Award for their Sunrise Powerlink Project in California. The project involved […]