Tuesday, January 26, 2016: 9:45 AM-11:00 AM
Cutting-Edge Technologies
Chair:
Jeremy Fauber, P.E., Heapy Engineering
Technical Committee: 09.06 Healthcare Facilities
New and existing hospitals regularly have an EUI above 200 kBTU/sq. ft. due to continuous operation and code requirements. The first step toward net zero energy usage for hospitals is a reduction in the quantity of energy required to operate the facility. This program reviews a new facility that achieved an Energy Star rating of 97 and strategies for reducing energy usage in existing buildings, including a waterside economizer system that utilizes energy recovery.
1 Design Highlights of an Energy Efficient Community Hospital in Clay County, Florida
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Ben Roseborough, P.E., TLC Engineering for Architecture |
The new St. Vincent’s Medical Center Clay County was a collaborative effort between the design team, the commissioning team and the owner, Ascension Health. From the beginning of the project, Ascension Health was an advocate of achieving optimal energy efficiency at the facility. TLC provided mechanical engineering services and designed high-performance energy-efficient systems. The St. Vincent’s Medical Center Clay County earned the Energy Star® rating of 97, which means the facility is performing in the top 3 percent of its peer facilities in the country for energy efficiency.
2 Improving Chilled Water Plant Operation
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Brian Arbogast, P.E., Heapy Engineering |
Many facilities require chilled water year round to serve fan coils or process loads. This typically requires running a chiller year round or purchasing additional equipment to produce chilled water through free cooling cycles. We will explore other opportunities for producing chilled water with and without implementation of cooling towers, heat exchangers and heat recovery chillers.
3 Reduction of Energy Usage through Controls Tune-Ups and Retro-Commissioning
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Pavel Likhonin, P.E., Dewberry |
Many existing facilities, such as hospitals, operate inefficiently due to sequence and operational overrides that try to fix an issue at one point in time. As time goes on, many of these temporary “fixes” end up being permanent, building operation keeps deviating away from the original design intent, and typically ends up using a lot more energy. Through retro-commissioning and controls tune-ups, these facilities can identify issues and provide a permanent solution.