I85PREP
⌘ K
ASHRAE BCxP study materials
ASHRAE BCxP study resources

ASHRAE BCxP practice questions

One question at a time. Build your ASHRAE BCxP understanding.

First 50 of 199 questions. Each one lists the choices, the correct answer, and an explanation. The checker at the top of this page saves progress in this browser when it is available.

Continue in the practice tool above to load more questions, 50 at a time.

Question 1Commissioning Process Fundamentals and Project Initiation

In the ASHRAE commissioning process, which document establishes the owner's project requirements and forms the basis for later verification?

  1. The construction schedule
  2. The O&M manual set
  3. The commissioning plan
  4. The owner's project requirements Correct answer.

Explanation

The owner's project requirements (OPR) captures the owner's intended use, performance goals, and constraints, and it becomes the benchmark against which design and construction are verified. The commissioning plan describes how commissioning will be executed, not the owner's goals.

Question 2Commissioning Process Fundamentals and Project Initiation

Which party typically authorizes and funds the commissioning process and ultimately accepts the commissioned systems?

  1. The design engineer
  2. The owner Correct answer.
  3. The general contractor
  4. The commissioning provider

Explanation

The owner initiates commissioning, defines its scope through the OPR, funds the activity, and accepts the final commissioned systems. Other parties execute or support the process on the owner's behalf.

Question 3Commissioning Process Fundamentals and Project Initiation

The basis of design (BOD) is best described as which of the following?

  1. A list of contractor submittals and their approval status
  2. A log of deficiencies found during functional testing
  3. A schedule of commissioning activities and milestones
  4. A record of the assumptions and calculations that show how the design satisfies the OPR Correct answer.

Explanation

The BOD documents the design team's assumptions, calculations, and decisions that explain how the design meets the OPR. It is a design-intent document, not a construction or commissioning tracking log.

Question 4Commissioning Process Fundamentals and Project Initiation

At what point in a project should the commissioning provider ideally be engaged to have the greatest influence on outcomes?

  1. After construction documents are complete
  2. During the pre-design or schematic design phase Correct answer.
  3. During the contractor's submittal review
  4. At system acceptance and turnover

Explanation

Early engagement during pre-design or schematic design lets the commissioning provider review the OPR, influence design decisions, and incorporate commissioning requirements into documents. Later engagement limits the ability to affect design and budget.

Question 5Commissioning Process Fundamentals and Project Initiation

Which document defines the scope, schedule, roles, responsibilities, and deliverables of the commissioning process for a specific project?

  1. The BOD
  2. The OPR
  3. The commissioning plan Correct answer.
  4. The final commissioning report

Explanation

The commissioning plan is the project-specific roadmap describing scope, team roles, schedule, communication, and deliverables. It is distinct from the OPR and BOD.

Question 6Commissioning Process Fundamentals and Project Initiation

A commissioning provider is hired directly by the owner and reports to the owner rather than to the design or construction team. This arrangement is best described as which type of commissioning authority?

  1. Independent commissioning provider Correct answer.
  2. Self-commissioning
  3. Contractor-led commissioning
  4. Design-build commissioning

Explanation

An independent commissioning provider is contracted by and reports to the owner, preserving objectivity from the design and construction teams. Contractor-led and self-commissioning arrangements lack that independence.

Question 7Commissioning Process Fundamentals and Project Initiation

Which of the following is a primary purpose of the commissioning kickoff meeting held early in the project?

  1. To finalize the contractor's payment schedule
  2. To select the general contractor
  3. To approve the owner's capital budget
  4. To align the team on commissioning scope, roles, and communication protocols Correct answer.

Explanation

The kickoff meeting aligns all parties on the commissioning scope, responsibilities, schedule, and communication protocols. Budget approval and contractor selection are procurement functions outside commissioning's purpose.

Question 8Commissioning Process Fundamentals and Project Initiation

Which term describes the formal, documented process of verifying that building systems and assemblies meet the owner's project requirements?

  1. Value engineering
  2. Punch listing
  3. Commissioning Correct answer.
  4. Constructability review

Explanation

Commissioning is the documented quality-focused process of verifying that systems perform according to the OPR and design intent. Value engineering and constructability reviews are design-phase cost or buildability exercises.

Question 9Commissioning Process Fundamentals and Project Initiation

During project initiation, the commissioning provider reviews the OPR and finds that measurable acceptance criteria for the HVAC system are missing. What is the most appropriate action?

  1. Defer the issue to the final commissioning report
  2. Recommend that the owner and design team add measurable criteria to the OPR Correct answer.
  3. Substitute the manufacturer's published performance data as the criteria
  4. Proceed and let the contractor define acceptance criteria during testing

Explanation

Measurable acceptance criteria in the OPR are essential for later verification, so the provider should recommend the owner and design team define them early. Allowing others to set criteria later undermines objectivity and traceability.

Question 10Commissioning Process Fundamentals and Project Initiation

A project team is preparing the commissioning plan during design. Which element is most essential to include so that construction-phase verification can be executed?

  1. A detailed list of contractor bid prices
  2. A complete equipment maintenance schedule
  3. The commissioning scope, schedule, roles, and testing requirements Correct answer.
  4. The architect's finish specifications

Explanation

The commissioning plan must define scope, schedule, team roles, and testing/verification requirements so activities can be executed and tracked. Bid prices and finish specifications belong to other project documents.

Question 11Commissioning Process Fundamentals and Project Initiation

The commissioning provider identifies a discrepancy between the design documents and the OPR regarding outdoor air ventilation rates. What is the appropriate first step?

  1. Document the discrepancy and raise it with the design team and owner for resolution Correct answer.
  2. Direct the contractor to install additional ventilation equipment
  3. Ignore the discrepancy because the design is already complete
  4. Revise the OPR to match the design without consultation

Explanation

The provider documents the discrepancy and routes it to the design team and owner, who are responsible for resolving design intent conflicts. The provider does not unilaterally direct design changes or alter the OPR.

Question 12Commissioning Process Fundamentals and Project Initiation

Which of the following best distinguishes the commissioning plan from a commissioning report?

  1. The plan is produced after turnover, while the report is produced during design
  2. The plan describes how commissioning will be performed, while the report documents results and conclusions Correct answer.
  3. The plan is issued only by the contractor, while the report is issued only by the owner
  4. The plan contains O&M data, while the report contains the OPR

Explanation

The commissioning plan is a forward-looking document describing how the process will be executed, whereas the report summarizes findings, deficiencies, and conclusions after verification. Their timing and purpose differ.

Question 13Commissioning Process Fundamentals and Project Initiation

An owner wants to apply commissioning to an existing building that has never been commissioned. Which term describes this application?

  1. Continuous commissioning
  2. Retro-commissioning Correct answer.
  3. Design-phase commissioning
  4. Initial commissioning

Explanation

Retro-commissioning applies the commissioning process to an existing building that was not previously commissioned. Initial commissioning applies to new construction, and continuous commissioning provides ongoing optimization.

Question 14Commissioning Process Fundamentals and Project Initiation

Which role is typically responsible for developing and maintaining the owner's project requirements throughout the project?

  1. The equipment manufacturer
  2. The installing contractor
  3. The owner with support from the design team and commissioning provider Correct answer.
  4. The commissioning provider alone

Explanation

The owner is the authority for the OPR, with the design team and commissioning provider supporting its development and updates. The OPR is not authored solely by the provider, contractor, or manufacturer.

Question 15Commissioning Process Fundamentals and Project Initiation

A commissioning provider is developing the commissioning scope for a new project. Which activity falls within construction-phase commissioning rather than design-phase commissioning?

  1. Incorporating commissioning requirements into specifications
  2. Reviewing the OPR for completeness
  3. Reviewing design documents for commissioning-related issues
  4. Witnessing functional performance tests of installed systems Correct answer.

Explanation

Witnessing functional performance tests occurs during construction when systems are installed and can be operated. OPR and design reviews and specification language are design-phase activities.

Question 16Commissioning Process Fundamentals and Project Initiation

Which of the following is the best example of a measurable acceptance criterion suitable for the OPR?

  1. The HVAC system shall be installed by an experienced contractor
  2. The HVAC system shall maintain space temperature within plus or minus 2 degrees F of setpoint Correct answer.
  3. The HVAC system shall use high-quality equipment
  4. The HVAC system shall be quiet and comfortable

Explanation

A measurable criterion states a quantifiable performance target that can be verified, such as a temperature tolerance. Subjective terms like quiet, comfortable, or high-quality cannot be objectively tested.

Question 17Commissioning Process Fundamentals and Project Initiation

The commissioning provider recommends adding a commissioning requirements section to the construction documents. What is the primary benefit of doing this during project initiation?

  1. It ensures contractors price and plan for commissioning obligations Correct answer.
  2. It eliminates the need for functional testing
  3. It transfers commissioning responsibility to the manufacturer
  4. It reduces the owner's construction budget

Explanation

Embedding commissioning requirements in the construction documents ensures bidders understand and include commissioning obligations in their scope and pricing. It does not remove the need for testing or shift responsibility to manufacturers.

Question 18Commissioning Process Fundamentals and Project Initiation

During a design review, the commissioning provider notices that the sequence of operations for an air handler is incomplete. What is the provider's most appropriate contribution?

  1. Ask the contractor to develop the sequence during installation
  2. Approve the design as-is since sequences are not a commissioning concern
  3. Write the final sequence of operations and issue it for construction
  4. Comment that the sequence lacks sufficient detail for later functional testing and recommend the designer complete it Correct answer.

Explanation

The provider reviews for testability and completeness and recommends the designer complete the sequence, since design responsibility remains with the engineer. Writing or approving incomplete design exceeds the provider's role.

Question 19Commissioning Process Fundamentals and Project Initiation

Which document typically records the resolution of commissioning issues and serves as the basis for the final commissioning report?

  1. The change order log
  2. The submittal register
  3. The commissioning issues log Correct answer.
  4. The request for information log

Explanation

The commissioning issues log tracks deficiencies, their resolution, and verification, and it feeds the final report. Other logs serve construction administration purposes but do not capture commissioning resolution tracking as their primary function.

Question 20Commissioning Process Fundamentals and Project Initiation

A commissioning provider is asked to lead the project team's development of the OPR because the owner lacks technical staff. How should the provider proceed?

  1. Refuse, because the provider may never assist with the OPR
  2. Delegate OPR authorship to the general contractor
  3. Facilitate workshops and draft content, but ensure the owner reviews and formally accepts the OPR Correct answer.
  4. Write the OPR and sign it as the owner's representative without owner review

Explanation

The provider may facilitate and draft OPR content, but the owner must review and accept it because the OPR expresses owner intent. Signing on the owner's behalf or delegating to the contractor undermines owner authority.

Question 21Commissioning Process Fundamentals and Project Initiation

A project's OPR calls for enhanced indoor air quality beyond code minimum, but the design team's BOD does not address this goal. What conclusion should the commissioning provider draw?

  1. The enhanced IAQ goal can be dropped without documentation
  2. The OPR should be revised to match the design
  3. There is a traceability gap between the OPR and BOD that must be resolved before construction Correct answer.
  4. The contractor should decide which document governs

Explanation

The BOD must demonstrate how the design meets the OPR; if an OPR goal is unaddressed, a traceability gap exists and must be resolved by the design team and owner. Changing the OPR or letting the contractor decide would bypass accountability.

Question 22Commissioning Process Fundamentals and Project Initiation

An owner is comparing commissioning delivery options. Which statement correctly describes a benefit of engaging an independent commissioning provider early rather than relying on contractor self-commissioning?

  1. It removes the need for design review and OPR development
  2. It guarantees the project will avoid all construction delays
  3. It provides objective verification of performance independent of the installing party Correct answer.
  4. It shifts all warranty obligations to the commissioning provider

Explanation

Independent, early engagement provides objective verification because the provider is not the installing party and can influence design and planning. It does not guarantee schedules, eliminate OPR work, or assume warranties.

Question 23Commissioning Process Fundamentals and Project Initiation

During project initiation, the commissioning provider must decide how to allocate limited budget across design review, construction verification, and functional testing. Which principle best guides this allocation?

  1. Spend most of the budget on final documentation since it is the visible deliverable
  2. Allocate equally across all phases regardless of system criticality
  3. Defer all verification to the warranty period to reduce upfront cost
  4. Focus effort where risk to achieving the OPR is greatest, including early design decisions that are costly to reverse Correct answer.

Explanation

Commissioning resources should target the highest-risk items affecting OPR achievement, emphasizing early decisions that are expensive to reverse. Equal allocation or deferral ignores risk and the value of early influence.

Question 24Commissioning Process Fundamentals and Project Initiation

A commissioning provider reviewing the OPR finds two goals that conflict: a tight humidity limit and a very low first-cost target. What is the most appropriate handling?

  1. Document the conflict and facilitate owner resolution, noting lifecycle and performance implications Correct answer.
  2. Ask the contractor to choose the cheaper option at bid time
  3. Delete the humidity goal to protect the budget
  4. Silently prioritize the humidity goal because it affects performance

Explanation

Conflicting owner goals should be surfaced and resolved by the owner with supporting information on cost and performance implications. Unilateral prioritization, deletion, or contractor selection removes owner decision authority.

Question 25Commissioning Process Fundamentals and Project Initiation

An owner asks whether commissioning can begin after construction documents are issued to preserve design fees. Which response best reflects commissioning fundamentals?

  1. No, because late engagement forfeits opportunities to influence design, testability, and specification content Correct answer.
  2. Yes, because the OPR can be written at the end of construction
  3. Yes, because commissioning only concerns construction-phase testing
  4. No, because commissioning is legally prohibited after design completion

Explanation

Late engagement forfeits the provider's ability to influence design decisions, ensure testability, and embed requirements in specifications, which are key early-phase benefits. Commissioning remains possible later but with reduced value and influence.

Question 26Commissioning Process Fundamentals and Project Initiation

In the commissioning process, what is the primary purpose of the Owner's Project Requirements (OPR)?

  1. To document the owner's functional needs, performance criteria, and expectations for the project Correct answer.
  2. To list the commissioning activities and responsibilities of each team member
  3. To serve as the contract document that defines the contractor's scope of work
  4. To provide a detailed design of the building systems for the contractor to install

Explanation

The OPR is a written document that defines the owner's needs and expectations for the project, including measurable performance criteria. It is not a contract or design document, but it guides the design and commissioning process.

Question 27Commissioning Process Fundamentals and Project Initiation

Which document is typically developed first in the commissioning process for a new building?

  1. Owner's Project Requirements Correct answer.
  2. Basis of Design
  3. Construction checklists
  4. Commissioning plan

Explanation

The Owner's Project Requirements (OPR) is the foundational document that captures the owner's needs and is developed early in the project. The commissioning plan and basis of design follow and should align with the OPR.

Question 28Commissioning Process Fundamentals and Project Initiation

During the design phase, the commissioning provider's review of the design documents should focus primarily on which aspect?

  1. Verifying that the design meets the owner's project requirements and is commissioning-friendly Correct answer.
  2. Checking that the design complies with all local building codes
  3. Confirming that the design team's fee is within the owner's budget
  4. Ensuring that the construction schedule includes adequate float time

Explanation

The commissioning provider reviews the design to verify that it aligns with the OPR and that systems can be effectively commissioned. Code compliance is the responsibility of the design team and code officials, not the commissioning provider.

Question 29Commissioning Process Fundamentals and Project Initiation

Which of the following best describes the commissioning provider's role during the construction phase?

  1. To approve contractor payment applications
  2. To verify that systems are installed and perform according to the OPR and contract documents Correct answer.
  3. To supervise the contractor's daily work and ensure schedule adherence
  4. To take over the contractor's quality control responsibilities

Explanation

The commissioning provider verifies installation and performance against the OPR and contract documents, but does not supervise construction or assume the contractor's quality control duties. Payment approval is typically the owner's or architect's role.

Question 30Commissioning Process Fundamentals and Project Initiation

A commissioning provider is reviewing the OPR and notices that the owner has specified a desire for 'high indoor air quality' without any measurable metrics. What is the most appropriate action?

  1. Interpret 'high indoor air quality' as meeting the minimum code requirements and document that assumption.
  2. Ask the design team to select an air quality standard and incorporate it into the basis of design without owner input.
  3. Proceed with the design review using the vague statement as is, since the owner is responsible for the OPR.
  4. Recommend that the owner define specific, measurable criteria such as ventilation rates or contaminant limits. Correct answer.

Explanation

The OPR should contain measurable performance criteria to allow verification. The commissioning provider should facilitate the owner in refining vague goals into specific, measurable requirements.

Question 31Commissioning Process Fundamentals and Project Initiation

What is the primary purpose of the commissioning kickoff meeting?

  1. To review the commissioning plan, roles, responsibilities, and schedule with the project team Correct answer.
  2. To conduct a design review of the construction documents
  3. To witness the functional performance testing of major equipment
  4. To finalize the owner's project requirements

Explanation

The commissioning kickoff meeting is held to ensure all team members understand the commissioning process, their roles, and the schedule. It is not the forum for finalizing the OPR or conducting design review or testing.

Question 32Commissioning Process Fundamentals and Project Initiation

Which of the following is a key component of a commissioning plan?

  1. A detailed schedule of all commissioning activities and responsible parties Correct answer.
  2. The owner's financial pro forma for the project
  3. The architect's design fee schedule
  4. The contractor's bid breakdown and cost loading

Explanation

The commissioning plan outlines the scope, schedule, roles, responsibilities, and activities for commissioning. It does not include contractor bid breakdowns, owner financials, or design fees.

Question 33Commissioning Process Fundamentals and Project Initiation

During project initiation, the owner expresses concern about the cost of commissioning. How can the commissioning provider best justify the value of commissioning?

  1. By stating that commissioning is required by all building codes
  2. By guaranteeing that commissioning will eliminate all construction change orders
  3. By promising that commissioning will shorten the construction schedule
  4. By explaining that commissioning reduces the risk of system performance issues and can lower long-term operational costs Correct answer.

Explanation

Commissioning adds value by verifying that systems perform as intended, which can reduce operational issues and costs. It does not guarantee elimination of change orders, is not universally code-required, and does not necessarily shorten the schedule.

Question 34Commissioning Process Fundamentals and Project Initiation

What is the commissioning provider's role in the development of the basis of design (BOD)?

  1. To author the BOD and ensure it meets code requirements
  2. To review the BOD for consistency with the OPR and commissioning requirements Correct answer.
  3. To approve the BOD on behalf of the owner
  4. To incorporate the BOD into the commissioning plan

Explanation

The commissioning provider reviews the BOD to check that it aligns with the OPR and supports commissioning. The design team authors the BOD, and the owner approves it.

Question 35Commissioning Process Fundamentals and Project Initiation

Which of the following best describes the difference between commissioning and retrocommissioning?

  1. Commissioning focuses on energy efficiency, while retrocommissioning focuses on indoor air quality.
  2. Commissioning applies only to new buildings, while retrocommissioning applies only to existing buildings.
  3. Commissioning is performed by the contractor, while retrocommissioning is performed by the owner.
  4. Commissioning is a quality-focused process for new construction, while retrocommissioning applies the same process to existing buildings not previously commissioned. Correct answer.

Explanation

Commissioning is typically applied to new construction or renovations, while retrocommissioning applies the commissioning process to existing buildings that were not previously commissioned. Both focus on verifying performance.

Question 36Commissioning Process Fundamentals and Project Initiation

During the design phase, the commissioning provider identifies that the specified chillers cannot be tested at full load due to the anticipated building load profile. What is the most appropriate action?

  1. Recommend that the design team revise the specifications to include a factory witness test or a partial load test protocol. Correct answer.
  2. Document the limitation and proceed with functional testing at whatever load is available.
  3. Require the contractor to install temporary loads to achieve full load testing.
  4. Ignore the issue because testing cannot be performed under actual load conditions.

Explanation

The commissioning provider should proactively address testing limitations during design by recommending appropriate test methods, such as factory testing or partial load protocols. Ignoring the issue or requiring temporary loads may be impractical or costly.

Question 37Commissioning Process Fundamentals and Project Initiation

What is the purpose of the commissioning requirements in the construction documents?

  1. To outline the owner's project requirements
  2. To provide the design basis for the commissioning plan
  3. To define the contractor's responsibilities for commissioning activities and submittals Correct answer.
  4. To specify the commissioning provider's fee and payment schedule

Explanation

The commissioning requirements in the construction documents inform bidders of the contractor's commissioning responsibilities, including submittals, testing, and documentation. They do not include fees or the OPR.

Question 38Commissioning Process Fundamentals and Project Initiation

A commissioning provider is hired during the design phase. Which activity is most appropriate for the provider to perform at this stage?

  1. Develop the commissioning plan and review the design for commissioning-related issues Correct answer.
  2. Develop the owner's project requirements without owner input
  3. Supervise the installation of the building automation system
  4. Conduct functional performance testing of the HVAC systems

Explanation

When engaged during design, the commissioning provider develops the commissioning plan and performs design reviews. Functional testing and installation supervision occur later.

Question 39Commissioning Process Fundamentals and Project Initiation

In the commissioning process, what is the primary purpose of the issues log?

  1. To track and manage resolution of commissioning issues throughout the project Correct answer.
  2. To document the owner's project requirements changes
  3. To list the commissioning provider's invoices and expenses
  4. To record the minutes of all commissioning meetings

Explanation

The issues log is used to document and track commissioning issues, their resolution, and status. It is not a meeting minutes record, financial log, or OPR change log.

Question 40Commissioning Process Fundamentals and Project Initiation

An owner wants to commission a new building but is concerned about the independence of the commissioning provider. Which engagement structure best ensures independence?

  1. The commissioning provider is an employee of the design firm.
  2. The commissioning provider is hired directly by the owner and reports to the owner. Correct answer.
  3. The commissioning provider is hired by the design team as a subconsultant.
  4. The commissioning provider is hired by the general contractor as a subcontractor.

Explanation

Independence is best ensured when the commissioning provider is contracted directly by the owner and has no reporting relationship with the design or construction teams. This avoids conflicts of interest.

Question 41Owner's Project Requirements, Basis of Design, and Design Review

Which document establishes the measurable performance and functional goals that the commissioning process will later verify?

  1. The O&M manual
  2. The Owner's Project Requirements Correct answer.
  3. The construction schedule
  4. The commissioning plan

Explanation

The Owner's Project Requirements (OPR) captures the owner's intended use, performance targets, and functional needs, and serves as the benchmark against which design and verification are measured. The commissioning plan describes process and roles rather than owner goals.

Question 42Owner's Project Requirements, Basis of Design, and Design Review

During a design review, the commissioning provider finds the design lacks a stated criteria for outdoor-air ventilation rates. Which document should be updated to resolve this gap?

  1. The commissioning plan
  2. The punch list
  3. The Basis of Design Correct answer.
  4. The operator training log

Explanation

Missing design criteria such as ventilation rates are a BOD deficiency, because the BOD must record the design assumptions and criteria used. Correcting the BOD ensures the design intent is documented and verifiable.

Question 43Owner's Project Requirements, Basis of Design, and Design Review

Who is typically responsible for authoring the Owner's Project Requirements?

  1. The general contractor
  2. The commissioning provider alone
  3. The equipment manufacturer
  4. The owner with input from the commissioning provider and design team Correct answer.

Explanation

The OPR is owned by the owner and developed with input from the commissioning provider and design team to ensure it is complete and measurable. The owner retains authority over the requirements.

Question 44Owner's Project Requirements, Basis of Design, and Design Review

A design review should ideally occur at which point to provide the most value?

  1. During the design phase before construction documents are finalized Correct answer.
  2. Only after construction is complete
  3. At the end of the warranty period
  4. Only when the owner files a complaint

Explanation

Reviewing design before construction documents are finalized allows deficiencies to be corrected while changes are inexpensive. Later reviews cannot recover the value of early detection.

Question 45Owner's Project Requirements, Basis of Design, and Design Review

Which item most appropriately belongs in the Owner's Project Requirements rather than the Basis of Design?

  1. The chiller part-load performance calculation
  2. The pump head calculation
  3. The owner's desired maximum occupancy comfort range Correct answer.
  4. The duct sizing methodology

Explanation

The OPR states what the owner wants the facility to achieve, such as comfort targets. Calculations and sizing methods are design-team solutions documented in the BOD.

Question 46Owner's Project Requirements, Basis of Design, and Design Review

A commissioning provider reviews the design and notes that equipment lacks safe access for maintenance. This finding is best classified as which type of issue?

  1. An O&M manual deficiency
  2. A commissioning process scheduling issue
  3. A maintainability and accessibility design concern Correct answer.
  4. A warranty administration issue

Explanation

Accessibility for maintenance is a design review concern tied to the owner's operational requirements. It should be raised so the design team can correct it before construction.

Question 47Owner's Project Requirements, Basis of Design, and Design Review

The primary purpose of documenting the Basis of Design is to do which of the following?

  1. Guarantee that the lowest-cost equipment is selected
  2. Replace the construction specifications entirely
  3. Establish the contractor's payment schedule
  4. Provide a traceable record of design intent to support commissioning and future operation Correct answer.

Explanation

The BOD preserves design intent so commissioning can verify that systems meet the OPR and so future operators understand the design. It supplements rather than replaces specifications.

Question 48Owner's Project Requirements, Basis of Design, and Design Review

An owner's OPR states a target energy use intensity but provides no measurement method. What is the most appropriate commissioning provider action?

  1. Ignore the target because it is unmeasurable
  2. Defer the target to the contractor's means and methods
  3. Recommend the owner define a measurable metric and verification approach Correct answer.
  4. Delete the target from the OPR

Explanation

OPR requirements must be measurable and verifiable for commissioning to confirm them. The Cx provider should help the owner refine vague goals into measurable criteria with a verification method.

Question 49Owner's Project Requirements, Basis of Design, and Design Review

During design review, the Cx provider finds the BOD omits the sequence of operation for an air-handling unit. Why is this significant?

  1. The sequence determines the equipment warranty length
  2. The sequence is required only for plumbing systems
  3. The sequence replaces the need for a commissioning plan
  4. The sequence is needed to develop functional performance tests and verify intended control Correct answer.

Explanation

The sequence of operation defines intended control behavior, which functional tests must verify. Without it, the Cx provider cannot develop meaningful test procedures.

Question 50Owner's Project Requirements, Basis of Design, and Design Review

A design review comment notes that the OPR calls for redundancy in cooling but the BOD shows a single chiller. This is best described as which of the following?

  1. A discrepancy between the OPR and BOD requiring resolution Correct answer.
  2. An acceptable value-engineering change
  3. A construction scheduling conflict
  4. A commissioning test failure

Explanation

When the design does not satisfy an owner requirement, there is an OPR-to-BOD inconsistency that must be resolved before construction. Resolution may involve revising the design or formally revising the OPR.