Cx Process & ASHRAE Guideline 0 Flashcards
7 cards from real CCP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Cx Process & ASHRAE Guideline 0 flashcards as text
According to ASHRAE Guideline 0, at what project stage should the commissioning authority ideally be engaged?
Answer: During pre-design or schematic design
ASHRAE Guideline 0 recommends engaging the CxA as early as pre-design or schematic design to maximize the benefits of commissioning.
Which ASHRAE Guideline 0 process activity involves verifying that installed equipment matches the submittal and specification requirements?
Answer: Prefunctional Inspection
Prefunctional Inspections verify that equipment is properly installed, labeled, and matches approved submittals before functional testing begins.
In ASHRAE Guideline 0, what distinguishes 'monitoring-based commissioning' from standard Cx?
Answer: It employs ongoing data analysis of building systems after occupancy to detect performance issues
Monitoring-based commissioning uses continuous data collection and analysis during the occupancy phase to detect degraded performance and identify improvement opportunities.
During the Construction Phase, who typically prepares the pre-functional checklists for HVAC equipment under ASHRAE Guideline 0?
Answer: Commissioning authority or CxA-directed subcontractors
Pre-functional checklists are typically developed by the CxA and completed by the installing contractors or their subcontractors prior to functional testing.
What is the purpose of the 'Commissioning Scoping Meeting' described in ASHRAE Guideline 0?
Answer: To align all project stakeholders on Cx scope, schedule, and responsibilities
The Commissioning Scoping Meeting brings together the owner, design team, contractors, and CxA to define and agree on the Cx scope, schedule, and roles.
Under ASHRAE Guideline 0, what is the definition of 'recommissioning'?
Answer: Commissioning applied to an existing building that was previously commissioned
Recommissioning refers to applying the commissioning process to a building that has already been commissioned at least once, typically to restore original performance.
Which document in the ASHRAE Guideline 0 framework serves as the living record updated throughout all project phases?
Answer: Commissioning Plan
The Commissioning Plan is a living document updated in each project phase to reflect current scope, schedules, procedures, and responsible parties.