Cx Process & ASHRAE Guideline 0 Flashcards
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ASHRAE Guideline 0 specifies that Functional Performance Tests (FPTs) should be performed under which condition?
Answer: Under conditions that represent actual or simulated normal and off-normal operating modes
FPTs must verify system performance under both normal and off-normal (including failure mode) operating scenarios to confirm full functionality.
In the context of ASHRAE Guideline 0, what is 'retro-commissioning'?
Answer: Commissioning applied to existing systems that were never previously commissioned
Retro-commissioning applies the commissioning process to existing buildings or systems that were not commissioned when originally constructed.
Which component of the Systems Manual is specifically required by ASHRAE Guideline 0 to support ongoing building operations?
Answer: As-built drawings, O&M manuals, and sequence of operations
ASHRAE Guideline 0 requires the Systems Manual to include as-built drawings, O&M manuals, sequences of operations, and other information needed for effective ongoing operations.
According to ASHRAE Guideline 0, what is the CxA's responsibility regarding owner and operator training?
Answer: The CxA verifies that adequate training is provided and documented
ASHRAE Guideline 0 assigns the CxA responsibility for verifying that training is provided, documented, and adequate to meet the owner's operational needs.
What action does ASHRAE Guideline 0 recommend when a functional performance test reveals a system deficiency?
Answer: Document it in the Issues Log, assign responsibility, and retest after correction
Deficiencies found during FPTs must be formally documented, responsibility assigned for correction, and the system retested after the fix is made.
ASHRAE Guideline 0 defines the 'Cx Team.' Which of the following is NOT typically a core member of the Cx Team?
Answer: Local building permit inspector
The Cx Team typically includes the CxA, owner's representative, design engineers, and contractors; local building inspectors are not part of the project Cx Team.
During the Occupancy & Operations Phase, which Cx activity is described in ASHRAE Guideline 0 as a 'seasonal test'?
Answer: Functional performance testing of systems under seasonal operating conditions not available at initial acceptance
Seasonal tests are FPTs deferred because the required operating conditions (e.g., winter heating mode) were not available during the acceptance phase.