Campus-wide continuous commissioningSM of university buildings
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abstract
Continuous Commissioning (CCSM) began as part of the Texas LoanSTAR program at the Energy Systems Laboratory (ESL) at Texas A&M University. Continuous Commissioning emerged from a program of implementing operation and maintenance improvements following retrofits in buildings. This process identifies and implements optimal operating strategies for buildings as they are currently being used rather than implementing design intent. Following initial development of the CC process in buildings which had already been retrofit, CC was applied at Texas A&M University Where very little retrofit activity has occurred. The CC project for the buildings and central plants on the campus began in 1995. Metering was, installed in 78 of the largest buildings on the campus in 1995, as the first step in the process. Continuous Commissioning of selected campus buildings was started during the summer of 1996. The project commissioned 11 buildings during the first year, but the pace of the project was then consciously slowed by Physical Plant leadership to seek the full operational benefits of the commissioning process and not just the energy cost savings. As of the end of 1999, the CC process has been applied to 34 buildings on the Texas A&M campus resulting in substantial improvements to the operation of the campus hot and cold water distribution loops and to the central plant operation. Cumulative chilled water, hot water and electricity savings achieved from Continuous Commissioning on the Texas A&M campus (including buildings, distribution loops and central plants) have exceeded $10 million. CC cost through 1999 was approximately $2.5 million.
