Commissioning Process & Documentation Flashcards
7 cards from real CBCP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Commissioning Process & Documentation flashcards as text
Retro-commissioning (RCx) is best defined as:
Answer: A systematic process applied to existing buildings that were never previously commissioned to optimize system performance
Retro-commissioning targets existing buildings that were not commissioned when originally built, using investigative methods to identify and correct operational deficiencies and improve energy performance.
What distinguishes re-commissioning from retro-commissioning?
Answer: Re-commissioning applies commissioning to buildings that were previously commissioned, while retro-commissioning addresses buildings never previously commissioned
Re-commissioning re-applies the commissioning process to a building that was previously commissioned to restore or improve performance, whereas retro-commissioning is the first commissioning of an existing building.
Under the LEED Enhanced Commissioning credit, which additional activity is required beyond fundamental commissioning?
Answer: Review of the OPR and BOD by the CxA during the design phase and a post-occupancy review 10 months after substantial completion
LEED Enhanced Commissioning requires the CxA to review the OPR and BOD during design and conduct a post-occupancy commissioning review approximately 10 months after substantial completion to confirm continued performance.
What is the primary purpose of trend logging building automation system (BAS) data during the commissioning process?
Answer: To verify that systems are operating per their sequences of operations and design setpoints over time across varied conditions
Trend logging captures time-series BAS data that reveals actual system behavior across changing loads and conditions, allowing the CxA to verify correct sequencing, setpoints, and control responses.
Which of the following best describes 'ongoing commissioning' as defined in ASHRAE Guideline 0?
Answer: A continuous monitoring and verification process during building occupancy to sustain optimized system performance over the building's life
Ongoing commissioning uses continuous monitoring, fault detection, and periodic re-verification to ensure building systems maintain optimal performance throughout the building's operational life.
During a commissioning kickoff meeting, what is the most critical agenda item the commissioning authority should establish?
Answer: Roles, responsibilities, and communication protocols for all commissioning team members
Establishing clear roles, responsibilities, and communication protocols at the kickoff meeting ensures all parties understand their commissioning obligations and how information will flow throughout the project.
What is the purpose of including 'measurable performance criteria' in the Owner's Project Requirements (OPR)?
Answer: To provide objective, quantifiable benchmarks that the CxA can use to objectively evaluate whether commissioned systems meet the owner's goals
Measurable performance criteria in the OPR (such as specific temperature ranges, humidity levels, or energy use intensities) allow the CxA to objectively verify whether systems perform as the owner intended rather than relying on subjective judgment.