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LBNL NERSC 9 Facility Upgrade
Berkeley, CA
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LBNL NERSC 9 Facility Upgrade

Extensive upgrades and new equipment for the mechanical and electrical infrastructure supporting a next-generation, high-performance supercomputing system.


Berkeley, CA


Lawrence Berkeley National Laboratory


Critical Engineering Group


140,000 s.f.



Market Sector


Delivery Method

Construction Management At Risk (CMAR)

XL Construction worked to prepare Lawrence Berkeley National Laboratory’s Shyh Wang Hall for the installation of a next-generation, high-performance supercomputing system for the Department of Energy’s National Energy Research Scientific Computing Center (NERSC). The new computer system, called NERSC 9, is more than triple the center’s computational power, which serves more than 7,000 scientists and 600 projects annually. XL supported the mechanical and electrical demands of NERSC 9 by installing additional power and cooling equipment to expand existing capacity at the site. XL’s scope included preconstruction and construction of new water cooling towers, pumps, heat exchangers, air handling units, exhaust fans, electrical substations, distribution equipment, site prep and – ultimately – final connections for one of the largest, fastest computing centers in the world.

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