Chiller Plant Lifecycle Cost Assessment

Process Results evaluated a proposed central chiller plant at the University of Michigan North Campus in Ann Arbor. The lifecycle cost of the 4,000-ton central chiller plant was compared to the cost of distributed, stand-alone chiller installations located in individual buildings. The comparison considered installed, maintenance and operating costs, construction of new buildings, and future load growth in existing buildings. The task required the application of lifecycle metrics, equipment efficiency parameters, and operating profiles to generate a complete cash flow analysis of the two alternatives.

Scope of Work

  • Characterize condition of existing chilled water equipment.
  • Characterize existing operating profiles based on historical data.
  • Identify future load changes.
  • Characterize efficiency of existing and future equipment.
  • Create customized software-based lifecycle analysis tools.
  • Quantify lifecycle cost impacts for central CHW plant versus distributed chillers.

Engineering Services

  • Conceptual system design.
  • Economic/lifecycle analysis.
  • Utility system planning.

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Project Manager:

Dale W. Niethammer, P.E.

Dale is Senior Principal and Vice President with expertise in mechanical engineering and project management for educational, energy management, commercial, industrial, laboratory, and chemical industries.

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Process Results provides innovative engineering solutions from concept to commissioning. Engineering is a "process" and with listening to our customers, we provide successful results. We base our business on relationships, and have established an 8-step process to better control the project to meet the needs of our clients.

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