Commissioning

PARKING GARAGE MAKEUP AIR — Heating Trend Analysis

By Rebecca Thatcher Ellis, P.E.
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This is the first in a series of columns in which I plan to demonstrate examples of systems performance information that can be gleaned from trend log analysis. Whether the trended data comes from a BAS or from portable dataloggers, the analysis is the same.
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Commissioning: TREND Logs- Worth the effort?

By Rebecca Thatcher Ellis, P.E.
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Using data trend logs to supplement in-field functional performance testing (FPT) has always been an option in the commissioning process, particularly for HVAC systems controlled by DDC systems. As DDC system trending capabilities and computer hardware storage capacities have improved substantially over the past few years, I propose that trend logs be given a more prominent place in the commissioning toolbox.
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Commissioning: Equipment Startup And Commissioning

By Rebecca Thatcher Ellis, P.E.
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The once fairly calm phase could now be a key to nipping integration issues in the bud.
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Commissioning: Equipment And Controls Integration

By Rebecca Thatcher Ellis, P.E.
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We still face plenty of ways for start-up to be a let down.
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Commissioning: WHAT IS Accessible?

By Rebecca Thatcher Ellis, P.E.
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As noted in last month’s column, accessibility to mechanical, electrical, and control system components is critical for sustainable systems operation. However, the design and construction industry is sorely lacking when it comes to agreeing on what appropriate accessibility means. In order to make a meaningful difference in how systems are delivered to owners/operators, it is critical to define measurable accessibility acceptance criteria early in the design phase and allow the commissioning professional to shepherd that criteria through the design, construction, and acceptance phases.
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Commissioning: ALL-Access Pass

By Rebecca Thatcher Ellis, P.E.
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If you can’t get to it, you can’t commission it.
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Commissioning: Commissioning And Baseball

By guest author Schlueter LEED® AP
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Chalking up a win in either endeavor involves some uniform habits.
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Commissioning: Missing Operations & Maintenance Participation

By Rebecca Thatcher Ellis, P.E.
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Results will underwhelm without O&M on board.
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Commissioning: Owner Expectations At The End Of Construction

By Rebecca Thatcher Ellis, P.E.
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At this stage, dilemmas that crop up (or have not been dealt with) can get even thornier.
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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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