Leidos Hess Lab
Engenium Group provided the mechanical, electrical and plumbing engineering design for this 2,500 square foot mission critical data center located in Vienna, VA. The project was designed as part of a fast-track effort to prepare the space for a government client, with a total elapsed time of less than three months between design kick-off and substantial completion.
The design includes three 225kVA uninterruptible power supply (UPS) units in an N+1 configuration distributing power via overhead busway in a robust A/B configuration which eliminates potential downtime. Further redundancy is provided by the existing facility’s full generator backup capabilities. Thermal loading in the space is offset by chilled water computer room air conditioning units with over 125 tons of cooling capacity, also configured in an N+1 arrangement. Hydronic piping serving the units is routed underfloor to mitigate the potential for leak-related equipment damage, and high-intensity quartz infrared humidifiers facilitate tight control of humidity setpoints to minimize the potential for undue arcing.