What should the working record show?

Illustrative example. The fields below are a preparation framework; project tests and pass criteria must come from the approved plan.

Commissioning evidence map
FieldRequired inputRecord
ScenarioApproved failure or maintenance eventExpected sequence
PreconditionsLoad, permits and readinessGo or no-go
ObservationTime, alarms and statesWitness record
RecoveryReturn-to-normal criteriaDeficiency log

What does the primary source support?

Uptime Institute describes Level 5 integrated testing of power and cooling under specified maintenance and failure scenarios, with load banks used to simulate IT load.

Sources: Uptime Institute: Lessons Learned from Tier Certification of Constructed Facilities

Who approves the test?

The responsible commissioning professional approves test sequences, acceptance criteria and results. Only the registered engineer on the job performs engineering sign-off.

Common questions

What else should the bid team know?

Does this guide define the project's acceptance criteria?

No. Use the approved design and commissioning plan.

Can a documentation service witness tests?

Not by default. A qualified commissioning professional must be appointed for witnessing and acceptance.

Who signs off engineering?

Only the registered engineer responsible for the job.

Primary sources

  1. Commissioning resources and Standard 202-2024ASHRAE
  2. Commissioning Process for Federal FacilitiesUS Department of Energy
  3. Lessons Learned from Tier Certification of Constructed FacilitiesUptime Institute