Hensel Phelps to Build Oak Ridge National Laboratory’s Second Target Station

Hensel Phelps has been selected as the construction management/general contractor for the Department of Energy Office of Science Second Target Station project. Oak Ridge National Laboratory is upgrading its spallation neutron source by adding a second target station to provide transformational new neutron capabilities that will advance scientific discovery and solve emerging societal challenges. Researchers use neutrons to understand the structure and function of materials at the scale of atoms and above.

STS will extend and complement the neutron capabilities of the existing SNS first target station and the ORNL high flux isotope reactor. In combination, these sources provide a comprehensive suite of neutron tools that enable crucial research to develop advanced materials and to enable breakthroughs across the physical and biological sciences that are essential. STS will be designed to meet DOE high performance sustainable building guiding principles.

The overall contract will include preconstruction and construction phases. The company is in the preconstruction phase of the project, which includes design reviews, market analysis, value engineering and the development of a master project schedule. The construction phase is anticipating the need of 30-plus trade subcontractors contributing to the project with more than 350 trades people expected during the peak of construction over the next eight years.

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