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Confidential Pharmaceutical Client

PS&S provided engineering services to our pharmaceutical client at the site of their three new office buildings.

The Opportunity

When our client decided to build three new office buildings, PS&S Engineering was asked to provide engineering services to design the associated 2,000-ton packaged chiller plant with expansion capability to 3,000 tons. PS&S was to provide engineering services throughout the construction and commissioning process for the mechanical, electrical, civil and controls engineering.

The Challenge

The client’s corporate mandate is for the chiller plant to operate as efficiently as possible. The plant was to be built in a location with environmental concerns, including designing adequate foundation footings and satisfying local noise criteria levels.

The PS&S Solution

PS&S’s mechanical, civil, and electrical engineers worked with the client’s own engineers to design the specifications and drawings for the project’s bid package. The bid package included specifications for energy efficiency measures, environmental requirements and maintenance access for equipment. The package also included building specifications created by PS&S Architecture* to address the chiller plant building structure, envelope and foundation. Many energy efficiency measures were incorporated into this fully automated plant including variable primary chilled water flow with temperature and pressure setpoints that are reset based on load and seasonal conditions and optimized pumping. Because the buildings are designed with ducts sized for ventilation air only, water side economizer heat exchangers have been included to reduce chiller run time when outside air conditions permit. PS&S’s experience in chiller plant efficiency and the multiple engineering discipline approach were critical to the success of the project.