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Holton Arms School Infrastructure Modernization
A campus-wide HVAC and plumbing upgrade designed to elevate comfort, efficiency, and reliability at one of Maryland’s premier independent schools.

Project Details

140,000 SF
CGS Architects
Bethesda, MD
Holton Arms School

Project Description

Engenium Group provided the mechanical and plumbing design services to support the infrastructure modernization for the 140,000 SF Holton Arms School. Scope included design, development, and implementation of an upgraded replacement HVAC system for the existing dual-temperature heating and cooling distribution systems. Portions of the campus were redesigned in conjunction with the HVAC upgrade and replacement.

The mechanical upgrade included replacement of the following systems and
equipment:

  • 1,600 MBH domestic hot water heating plant.
  • 350-ton water-cooled chiller plant
  • 6,000 MBH gas-fired boiler plant
  • Dual-temperature distribution system
  • Classroom fan coil units
  • Central ventilation air-handling units replaced with new DOAS systems incorporating fixed plate heat exchangers for energy efficiency
  • Building automation system

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