Army RCx Technical Guide: A Phased Approach for in House or Contracted Existing Building Commissioning
Army Engineer Research and Development Center CHAMPAIGN
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RCx retro-commissioning and recommissioning is a method that combines knowledge of heating, ventilating, and air-Conditioning HVAC fundamentals with specific testing and analysis techniques to optimize facility energy systems and solve comfort and operations and maintenance O and M problems. RCx uses instrumentation and automation systems to talk to the facility to determine how the system is operating and how it can operate better. RCx is Congressionally mandated at specific federal facilities and is regarded by industry as a next-generation building energy management system. Yet, performing, developing, or managing successful RCx projects can be a complex process that requires facilities staff to acquire technical and soft skillsets to identify, implement, and sustain often hidden opportunities. This RCx Technical Guide uses the latest industry guidelines, standards, and studies to present how-to instructions for Directorate of Public Works DPW personnel that break RCx into discrete phases that can be contracted or performed in-house in various combinations, to map resilient RCx programs across different sized and staffed asset management organizations. This technical walk-through of each RCx phase encountered in a typical RCx event is a vital part of the personnel development needed as facilities grow more complex and as staffing challenges continue.
- Air Conditioning, Heating, Lighting and Ventilating
- Non-electrical Energy Conversion