Services Provided
Design Team
Lambert Architects
Construction Manager
H M Kern Corp.
Greensboro, North Carolina
Project Size
7,800 GSF
Systems Commissioned
HVAC Systems
Lighting & Lighting Controls
Electrical Power Distribution
Emergency Power
UPS System
Energy Management Controls


The new McNutt Data Center located on the campus of the University of North Carolina at Greensboro in Greensboro, North Carolina, USA, was commissioned by KLG Jones using full integrated systems testing methodology.

The HVAC system for the building consists of a Trane chilled water air handling unit serving a VAV air distribution system for the support area and four air-cooled Data-Aire Computer Room Air Conditioning units serving the data center. One Data-Aire unit is redundant. Campus chilled water and steam are utilized to provide cooling and heating to the air handling unit and a steam to hot water heat exchanger for the reheat coils.

The Electrical system for the building includes a 1500 kVA pad mounted transformer supplying normal power to the building. An 800kW Kohler diesel powered generator with a 36-hour base mounted fuel tank provides standby and emergency power to the UPS and selected building and life safety loads. A Liebert UPS system consists of two 400 kVA/320 kW units supplying uninterruptible power to the data center busway system and UPS panelboards that serve the Service Operation Center (SOC), the Building Distribution Frame (BDF), the Core Distribution Frame (CDF) and mechanical controls.

The entire electrical system is designed parallel redundant down to the UPS panel level, however, a construction decision removed the ability to switch between UPS sources at the panel level which could leave half the busways and UPS panels without uninterruptible power upon failure of a UPS. A load bus synchronizer has been installed between the UPS’s, and plans include the future installation of static switches to address the issue.

KLG Jones provided full integrated systems testing of the HVAC, electrical (normal and emergency) power systems including UPS, and building automation control system. KLG Jones provided load banks to simulate full load conditions and coordinated all testing. KLG Jones provided full analysis of the testing real-time and initially the testing did not pass. The IST was repeated after confirmation of HVAC repairs and the system passed.


About Us

KLG Jones is a nationally recognized engineering firm dedicated to building commissioning, retro-commissioning, energy audits, energy modeling, energy consulting, test and balance and problem building investigation.

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What clients are saying...

I would like to offer my appreciation to KLG Jones for the work they have provided to the Charleston School District over the past four...

Rick Holt, Vice President/Program Director
Cumming Corporation

It is with a great deal of pleasure that I write this Letter of Recommendation to anyone who is considering entering into a contract with...

Kelley Ingram, Project Manager
Appalachian State University

I am happy to recommend and give a positive reference for KLG Jones to anyone who may be considering using their services. I have found...

Bill Knight, PE, Director of Energy Management
School District of Greenville County

Southern Mechanical has worked with KLG Jones on many projects since 2005. Our experience has included industrial projects such as Timken Bearing, Institutional projects like...

Philip Walpole PE, Southern Mechanical

KLG Jones has been serving us well. They are responsive, timely, affordable and easy to negotiate with. I would highly recommend them for your next...

Alisa Scalley, Project Manager
GSA Region 4

We have appreciated the professionalism, quality, skill, pride and most of all the caring that each person involved put forth to make this project a...

Sr. Nancy, Monastery of St. Clare

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