Walter Reed National Military Medical Center
Project Name: Walter Reed National Military Medical Center
Location: Bethesda, Md.
Floor area: 515,000-square-foot ambulatory care building; 162,000-square-foot hospital addition; 450,000-square-foot hospital renovation; and 943-space parking structure
Number of floors: Various
Number of beds: 174 (of 345 total beds)
Design-build cost: $755 million
Groundbreaking date: March 2008
Opening date: July 2011
Owner: U.S. Department of Defense
Concept design architect: HOK
Concept design engineer: AECOM (formerly HSMM)
Designer of record: HKS
Associate architect: Wingler & Sharp Architects & Planners
Historic preservation: Hartman-Cox Architects
General contractor: Clark Construction Group and Balfour Beatty Construction joint venture
Interior design and medical equipment planning: HKS Healthcare Interiors and Wingler & Sharp Architects & Planners
Mechanical/plumbing design-build engineer: Southland Industries
Electrical design-build engineer: M.C. Dean Inc.
Structural engineer: Cagley & Associates
Here in New England we have specified energy recovery wheels in many hospital and university lab applications. Other noteworthy facilities around the country are also embracing the technology.
Thermotech was very proud to be associated with this project at Walter Reed. The design build team installed an innovative heat recovery system using enthalpy wheels to exchange energy between exhaust and incoming air. The system is highly efficient and provides 100 percent outside air. And, because it uses two ducts (supply and exhaust) instead of the standard three (supply, return and exhaust), the system was easier to install in the limited space above the medical center’s ceiling.
Eleven 16-foot diameter enthalpy wheels contribute to the natural ventilation in Walter Reed’s America and Arrowhead buildings. They play a substantial role in decreasing the hospital’s HVAC costs by 28 percent.
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