Custom AHU's Replacement

This $1.25 million Custom AHU Replacement project involved the planning, design, installation and startup of two (2) customer built-up air handling units (AHU's). The AHU's were specified with variable speed supply and return fans, pre- and final filtration, steam or hot water heating, glycol or DX cooling, and plant or clean stream humidification for conditioning airflow to EU cGMP Grade A-D (ISO 5-8) classified cleanroom spaces and unclassified spaces. Project scope also included replacement of existing booster fans, air monitoring stations, exterior ductwork and demolition to provide fully functional systems. Controls were upgraded in coordination with Siemens for integration into the existing site Building Automation System.

Scope of Work

  • Custom air handling units.
  • Booster fans.
  • Airflow monitoring stations.
  • Air-Cooled DX Condensing Unit.
  • Ductwork.
  • Utilities tie-ins (electrical power, clean steam, chilled glycol, hot water, condensate return).
  • Structural steel walkways and stairs.
  • Demolition.
  • Controls & BAS integration.
  • Commissioning, checkout & startup.


Engineering Services

  • Conceptual design and cost estimate.
  • Detailed design and cost estimate.
  • Equipment and instrument specifications.
  • Bid package documentation and bid evaluations.
  • Control system design coordination.
  • Construction assistance.
  • Checkout, startup and commissioning assistance.

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Project Manager

Charles E. Sherrell

Chuck is Principal and Vice President with expertise in chemical, industrial, and pharmaceutical processes. Chuck has a diverse background in chemical engineering and project management.

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Our 8-Step Process

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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Since 1991, we have helped our clients build a better, brighter future through knowledge, experience and technology.

Process Results provides expert consulting and technical services across a wide range of industries – commercial, industrial, municipal, educational and more. You can rely on our team’s extensive experience and proven know-how to deliver measurable results. We will design, build, integrate and manage your project from concept through completion.

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