CBCP Commissioning Process & Documentation 3

Question 1

Retro-commissioning (RCx) is best defined as:

Accepted Answer

A systematic process applied to existing buildings that were never previously commissioned to optimize system performance

Answer

Commissioning activities performed during the design phase of a new building project

Answer

Re-commissioning a building immediately after a major renovation project

Answer

Commissioning performed after a building's warranty period has expired as required by code

Question 2

What distinguishes re-commissioning from retro-commissioning?

Accepted Answer

Re-commissioning applies commissioning to buildings that were previously commissioned, while retro-commissioning addresses buildings never previously commissioned

Answer

Re-commissioning is performed only after a major system replacement, while retro-commissioning is performed annually

Answer

Re-commissioning is required by code, while retro-commissioning is voluntary

Answer

Re-commissioning focuses on electrical systems, while retro-commissioning focuses on mechanical systems

Question 3

Under the LEED Enhanced Commissioning credit, which additional activity is required beyond fundamental commissioning?

Accepted Answer

Review of the OPR and BOD by the CxA during the design phase and a post-occupancy review 10 months after substantial completion

Answer

Commissioning only HVAC systems and excluding lighting and renewable energy

Answer

Commissioning only systems installed under the mechanical subcontract

Answer

Submitting the commissioning report to a state energy agency for third-party review

Question 4

What is the primary purpose of trend logging building automation system (BAS) data during the commissioning process?

Accepted Answer

To verify that systems are operating per their sequences of operations and design setpoints over time across varied conditions

Answer

To generate billing data for energy cost allocation between tenants

Answer

To create a backup record in case the BAS software is lost during a system crash

Answer

To satisfy insurance documentation requirements for equipment warranties

Question 5

Which of the following best describes 'ongoing commissioning' as defined in ASHRAE Guideline 0?

Accepted Answer

A continuous monitoring and verification process during building occupancy to sustain optimized system performance over the building's life

Answer

Completing deferred commissioning tests that were not finished at substantial completion

Answer

Annual third-party audits required by state energy codes for commercial buildings

Answer

A contractor's obligation to return and re-test systems during the one-year warranty period

Question 6

During a commissioning kickoff meeting, what is the most critical agenda item the commissioning authority should establish?

Accepted Answer

Roles, responsibilities, and communication protocols for all commissioning team members

Answer

Contractor insurance requirements and bonding levels

Answer

The owner's preferred color scheme for commissioning report covers

Answer

Equipment lead times from manufacturers and procurement schedules

Question 7

What is the purpose of including 'measurable performance criteria' in the Owner's Project Requirements (OPR)?

Accepted Answer

To provide objective, quantifiable benchmarks that the CxA can use to objectively evaluate whether commissioned systems meet the owner's goals

Answer

To establish penalties the contractor must pay if systems fail to perform

Answer

To satisfy lender requirements for project financing documentation

Answer

To establish minimum bid requirements for mechanical and electrical subcontractors