Articles by Rebecca Thatcher Ellis, P.E.

Commissioning: Facilities Staff Design Involvement

By Rebecca Thatcher Ellis, P.E.
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Balancing O&M input with designers’ work can be delicate but worthwhile.
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Commissioning: BCXA Essential Attributes Part 6

By Rebecca Thatcher Ellis, P.E.
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Who is supposed to say what to whom? That is often the question.
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Commissioning: BCxA Essential Attributes Part 4

By Rebecca Thatcher Ellis, P.E.
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More on how to spot - and convey - what needs to be fixed.
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Commissioning: BCxA Essential Attributes, Part 3

By Rebecca Thatcher Ellis, P.E.
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Part of project success involves getting the word out, early and often.
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Commissioning: BCxA Essential Attributes, Part 2

By Rebecca Thatcher Ellis, P.E.
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Five bullets and a discussion of scope to keep your project on target.
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What Is Commissioning?

By Rebecca Thatcher Ellis, P.E.
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And more importantly, who does it?
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Commissioning: what is Commissioning?

By Rebecca Thatcher Ellis, P.E.
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And more importantly, who does it?
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Commissioning: the business case for Commissioning and Retrocommissioning

By Rebecca Thatcher Ellis, P.E.
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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

By Rebecca Thatcher Ellis, P.E.
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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

By Rebecca Thatcher Ellis, P.E.
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A current trend can prove troublesome if it takes itself to extremes.
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