Explore Pearls
A Pearl is a practical construction lesson: what happened, why it matters, and what to check before similar work begins.
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39 Pearls in the collection
Pearl · Controls and OT
Document instrument type, range, accuracy or calibration status, and placement against the signal the commissioning evidence must resolve.
Use before: Functional performance testing · Integrated systems testing · Reliability / load demonstration
Sources: U.S. Department of Energy, Federal Energy Management Program, with National Renewable Energy Laboratory
Read PearlPearl · Cooling
Validate cooling and controls across project-defined initial, low, partial, and future design loading cases, not only peak design.
Use before: Functional performance testing · Reliability / load demonstration
Sources: U.S. Department of Energy, Federal Energy Management Program, with National Renewable Energy Laboratory
Read PearlPearl · Cooling
Prove the project-required cooling envelope at representative IT inlets and rack heights rather than relying only on room, supply, or return readings.
Use before: Functional performance testing · Reliability / load demonstration
Sources: U.S. Department of Energy, Federal Energy Management Program, with National Renewable Energy Laboratory
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