Laboratory Environmental Support Systems - Chilled Water System Restoration

Pete Sabeff, P.E., Engineering Economics, Inc.

Chilled water systems are critical to the cooling and de-humidification performance of the laboratory. Given that laboratories are routinely served by a campus (multi-building) chilled water system, performance degrades over time with use, new additions, and the lack of a comprehensive plan to maintain the integrity and performance of the systems. After commissioning and re-commissioning many large chilled water systems, there have been many valuable lessons learned. This presentation will address the issues, the strategies, the processes to be followed, and the stumbling blocks typically encountered.

Labs21 Connection:

The approach is based on testing, immediate remedial work, additional testing, and proper loop tuning. It is based on actual performance, not theoretical performance that engineers typically rely on for their approach to the design of these systems.

Biography:

Pete Sabeff is a professional engineer, and the founder and President of Engineering Economics, Inc., a national MEP system assessment, planning, and commissioning firm. Pete has spent the majority of his career in the HVAC industry as a controls specialist, then energy consultant, system troubleshooter, and most lately, commissioner. His experience is based on the investigation, testing, and renovation of many mechanical and electrical systems, primarily in the medical and pharmaceutical field over the past 40 years. Central plant systems are a specialty, requiring a more global perspective and more rigorous process to diagnose and resolve operating issues.

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