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Articles by Rebecca Thatcher Ellis, P.E.

What Is Commissioning?

July 15, 2010
And more importantly, who does it?
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Commissioning: the business case for Commissioning and Retrocommissioning

June 1, 2010
You can’t get a clear picture until you solicit input from both the facilities and finance departments.
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Commissioning: Functional Performance Test Procedures

May 1, 2010
I heard from two fellow commissioning professionals in the same week about the inconsistencies between functional performance test (FPT) procedures used on new construction projects. I know that these vary from non-existent to blank sheets of paper to generic off-the-shelf scripts to very detailed steps and acceptance criteria. As building systems commissioning has evolved over the past 20 years, I have been supportive of the idea of varying levels of commissioning rigor as required to match different owners’ priorities and budgets. This was based on the belief that some commissioning is better than no commissioning in most cases.
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Commissioning: Reconsidering Resets

April 1, 2010
A current trend can prove troublesome if it takes itself to extremes.
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Commissioning: Commissioning Certifications

March 1, 2010
Reader mail laments the lack of quality assurance when hiring commissioning agents.
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Commissioning: On-Board Equipment Controls Integration

February 1, 2010
Design engineers need to step up how their specs sort out sequencing details.
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Commissioning: Controls Design Timing

January 1, 2010
There’s a right stage for every delivery method, but it may be sooner than you think.
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Commissioning: LEED®, Commissioning and Energy Conservation

December 1, 2009
Most versions of the USGBC’s LEED® rating system include prerequisites for minimum energy performance and for commissioning. These two critical criteria, however, are not explicitly linked, and I believe LEED certification may be more meaningful and effective if they were.
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Commissioning: Commissioning & Energy Conservation

October 1, 2009
Having the first doesn’t guarantee the second, but the second is much more difficult without the first.
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Design Flaws

Following up on Howard McKew's April "Tomorrow's Environment" column: Have you ever thought twice about reporting problems with another firm's design? What did you do?
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