Holton Arms School

Infrastructure modernization of Holton Arms School in Bethesda, MD

Holton Arms School

Engenium Group provided the mechanical and plumbing design services to support the infrastructure modernization for Holton Arms School. The project 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.

  • Mechanical
    • 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
    • 1,600 MBH domestic hot water heating plant
  • Plumbing
    • 1,600 MBH of natural gas condensing water heaters with 260 gallons of hot water storage
    • Delegated design of fire protection system
Project Details

140,000 SF | 7303 River Road, Bethesda, MD

  • HVAC Replacement
  • K-12
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