Services Provided
Commissioning—Third Party
Caviness Lambert Engineering
Confidential Location
Project Size
7,800 GSF
Systems Commissioned
Systems Commissioned
HVAC Systems
Lighting & Lighting Controls
Electrical Power Distribution
Emergency Power
UPS System
Building Automation System


New 7,800 square foot freestanding data center.

The data center machine room floor is cooled by four Liebert aircooled direct expansion (DX) computer room air conditioning (CRAC) units that discharge under the raised floor. Air is discharged from perforated floor tiles into the cold aisles of the machine room and then travels back via plenum return.

The data room HVAC system is controlled locally, and monitored by a Liebert sitescan system integrated into Owner’s iFix system. There are also Trane controls on the four rooftop DX units serving the adjacent support areas.

The data room electrical system includes a redundant supply of normal 480/277V power to the building switchboards in the main electrical room. An emergency backup system powered by a 1,000 kW Caterpillar generator and two Liebert 300 kVA UPS’s provide standby power in the event of a power outage.

750 kVA transformers step down the voltage 208/120V to a panel in each electrical room which is then distributed to bus bars located above the racks supply power from the panelboards to the racks.

Commissioning was provided for the HVAC, electrical (normal & emergency) power systems, energy management system, VESDA fire alarm system and the UPS systems. Load banks were provided to simulate full electrical load conditions in the Machine Room for the full integrated testing of the data center systems. The intent of the commissioning program was to help ensure that all of the commissioned systems were designed, installed and tested in accordance with the contract documents and the Owner’s requirements, and that all systems were fully functional when turned over to the Owner by the Contractor. Also, the program was intended to help ensure that the Owner’s maintenance personnel were fully trained in the operation and maintenance of the systems at completion of the project.

Load banks were provided by KLG Jones to provide integrated testing of the critical HVAC and electrical systems pertaining to the Data Center under full electrical load. All systems were tested on normal power and on emergency power through normal power failure testing. The results of the testing indicated that the cooling capacity of the CRAC units was as specified, the generator started and functioned properly, and the UPS battery capacity was as specified.


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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