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Trend log analysis II: in which a mysterious five-degree difference is a $4,400/yr anomaly
In last month's column, I introduced the importance of trend-logging system operation over a multi-day period in order to observe subtleties not...
Engineered Systems, 07/01/09 by Rebecca Ellis · More from publication -
Trend log analysis: how to spot performance problems hidden beneath the surface?
On-site functional performance testing (FPT) of systems at the end of construction is the culmination of the commissioning process. FPT should put...
Engineered Systems, 06/01/09 by Rebecca Ellis · More from publication -
Commissioning and incomplete design documents: what if the building starts before the design is finished?
I have noticed an increasing trend over the last few years of design documents being issued for construction before the design is complete. This is...
Engineered Systems, 05/01/09 by Rebecca Ellis · More from publication -
When there is no O&M representative: at the least, determining what general maintenance model will be used can pay off later
The last few months of this column have focused on the value of O&M planning for commissioned projects. The earlier this planning begins, the...
Engineered Systems, 04/01/09 by Rebecca Ellis · More from publication -
Preparation for LEED® for existing buildings: you got the initial certification. Now what's the best path to EB?
LEED[R] for Existing Buildings: Operations & Maintenance (LEED EB) is to building operations what LEED for New Construction (LEED NC) is for design...
Engineered Systems, 03/01/09 by Rebecca Ellis · More from publication -
Preparing for energy metering and management: including metering language in the project requirements gives it a fighting chance
Continuing the same train of thought as my January 2009 column, there is benefit to planning for operational energy metering, management, and...
Engineered Systems, 02/01/09 by Rebecca Ellis · More from publication -
Preparing for systems optimization: how you pick points and deal with data can make the difference
Last month (December 2008), this column presented the concept of the design and construction commissioning process as being the first step in...
Engineered Systems, 01/01/09 by Rebecca Ellis · More from publication -
Commissioning is just the start: and when it comes to system optimization, occupancy only marks the end of the beginning
A professional colleague of mine recently shared his firm's experience with commissioning their new office building expansion. It was a LEED[R]...
Engineered Systems, 12/01/08 by Rebecca Ellis · More from publication -
Design-phase: commissioning by the numbers: better late than never, but cheaper early than late
Last month, I presented benefits associated with beginning the commissioning process during the design phase. This month, I would like to present...
Engineered Systems, 11/01/08 by Rebecca Ellis · More from publication -
Plumbing systems commissioning: this process offers benefits to the entire project team, ranging from focused planning and improved communication, to on-time successful completion and fewer callbacks.
[ILLUSTRATION OMITTED] Over the past century, and particularly over the past 25 years, many facilities' design innovations have been...
PM Engineer, 11/01/08 by Ellis, Rebecca T. · More from publication
