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Articles by Rebecca Thatcher Ellis, P.E.

Commissioning: LEED® EB Streamlines for 2008

The goal: motivating owners while maintaining procedures.

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Commissioning: Forwarding The Retro Process

Further benefits await beyond the equipment.

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Commissioning: Stop, Look & Listen

Over the last couple months, this column has been about retrocommissioning, commissioning existing building systems that have never been commis-sioned before. There is no question that there is great potential to be realized through a retrocommissioning process, primarily in terms of improved system performance and decreased energy consumption. However, successful retrocommissioning is not something can be accomplished in a vacuum by a commissioning professional; it depends heavily on the building’s O&M staff.

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Commissioning: How Much Of A Good Thing?

Deciding to retrocommission is just the first step.

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Commissioning: When to Retrocommission?

From additions to age, different factors make the argument for or against.

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Commissioning: Core & Shell and Tenant Fit-Out Projects, Part 3

A good manual is almost as important as whether the right people read it.
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Commissioning: Core and Shell and Tenant Fit-Out Projects, Part 2

Last month, this column addressed special considerations for developing the owner’s project requirements/DID for projects that are designed and constructed as a core and shell (C&S) by the developer with customized tenant fit-out (TFO) of occupied spaces as they are leased. Documenting the owner’s project requirements/design intent is valuable for any project and is imperative for commissioned projects.
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Commissioning: Core & Shell -- and Tenant Fit-Out Projects

It is exciting to see that the benefits of commissioning are being realized by more and more commercial real estate developers and their tenants. A traditional speculative office building presents special challenges for the commissioning process. In the commercial real estate market, many office buildings are constructed as a core and shell (C&S) by the developer with customized tenant fit-out (TFO) of occupied spaces as they are leased.
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Commissioning: The Least You Can Do

Last month, I talked specifically about ASHRAE Guideline 0-2005, The Commissioning Process and its owner’s project requirements document. As quoted from the Guideline, the ASHRAE document “is not definitive, but encompasses areas where there may be a variety of approaches, none of which must be precisely correct.” I’d like to explore that a bit more this month. How much latitude is there in the term “commissioning” for new construction? If there are no approaches that are “precisely correct,” are there any approaches that should be considered incorrect?
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Commissioning: Is The DID Done?

Design intent and owner’s project requirements: understand the role of each.
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