Find the lesson before the work begins.

A Pearl is a practical construction lesson: what happened, why it matters, and what to check before similar work begins.

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SystemUpcoming activitySource organisationSource type

Construction terms explained

ATS:: automatic transfer switch
UPS:: uninterruptible power supply
OT:: operational technology
TCS:: technology cooling system
FPT:: functional performance testing
IST:: integrated systems testing
TAB:: testing, adjusting, and balancing
OEM:: original equipment manufacturer
HVAC:: heating, ventilation, and air conditioning
HDD:: hard disk drive
SSD:: solid-state drive
IT:: information technology
MOP:: method of procedure
SOP:: standard operating procedure
EOP:: emergency operating procedure
MEP:: mechanical, electrical, and plumbing

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39 Pearls in the collection

Pearl · Commissioning management

Record Expected, Observed, and Accepted Test Results

Predefine acceptable performance and preserve actual conditions, results, exceptions, issue references, and dated signoff.

Use before: Functional performance testing · Integrated systems testing · Operations acceptance and ready for service · Reliability / load demonstration

Sources: U.S. General Services Administration

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