What includes the following: operating procedures for all normal, abnormal, and emergency modes of operation; maintenance procedures; parts and recommended spare parts list; troubleshooting guide; and systems schematics (one-line diagrams) i. Training materials
Heating, ventilating, air conditioning, and refrigeration (HVAC&R) covers a wide range of interests and issues. As such, Guideline 1.2 limits its scope to three main areas:
This guideline applies to the procedures, methods, and documentation requirements for each phase of the Commissioning (Cx) Process applied to existing HVAC&R systems and assemblies
a. Energy
b. Operations and maintenance (O&M)
c. Indoor environmental quality (IEQ)
Note: this is the limited scope of guideline 1.2 Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R 5. MULTIPLE-FACILITY PLANNING 5.1 Introduction part 5.1.2 objectives
The handoff is in regards to what type of facility?
he Ongoing Commissioning (OCx) Plan is developed. This is also the transition between the commissioning team and personnel responsible for operating and maintaining the facility over the remainder of its life cycle.
This _______Phase is the transition between the Existing Building Commissioning Process (EBCx) Team and personnel responsible for operating and maintaining the facility over the remainder of its life cycle.
Source: ASHRAE Guideline 1.2-2019 Technical Requirements for the Commissioning Process for Existing HVAC&R Systems and Assemblies 9. HAND-OFF 9.1 Introduction 9.1.1
What should include these?
1. the pre-bid meeting,
2. preconstruction meeting,
3. CxP Team meetings,
4. training sessions,
5. shop drawing submittals,
6. Systems Manual submittal,
7. special tests or code official inspection and acceptance, tests,
8. test periods,
9. substantial completion,
10. occupancy,
11. seasonal testing,
12. initial Cx Report submittal,
13. warranty review two months prior to end of warranty period,
14. lessons-learned meeting,
15. and final Cx Report.
The milestones to be incorporated in the schedule should include (these).
source: 6.2.3.3 ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
l. Schedule the predesign and preconstruction Cx meeting within ____ days of the award of the contract at some convenient location and at a time suitable to the attendees. This meeting will be for the purpose of reviewing the complete Cx and establishing tentative schedules for the Design Phase and Construction Phase Cx Activities.
C) 60 days to schedule this meeting from the award of contract. For tentative schedules for the design phase and Construction Phase Cx Activities.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process, INFORMATIVE APPENDIX F ROLES AND RESPONSIBILITIES, F2. CX PROVIDER
This occurs as a review two months prior to the end of the warranty period?
warranty review occurs this many months prior to the end of this period.
source: 6.2.3.3 ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
It is important to remember that the role of the Cx Provider (CxP) is to
The role of the ________ is to verify that the Owner’s Project Requirements (OPR) are met and that the system is designed in a quality manner.
Source: INFORMATIVE APPENDIX H H1. DESIGN SUBMISSIONS DESIGN REVIEW AND REPORT
Who(m) has the responsibility to conduct the preconstruction meeting? During which phase? Is the pre-bid meeting held at this phase and time?
ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf INFORMATIVE APPENDIX G CX PLAN The pre-bid meeting is also part of the CX plan.
CXP.During the Construction Phase. Conducting a preconstruction meeting where the Cx requirements are reviewed with the CxP Team. Pre-bid is also in the construction phase.
Source: ASHRAE Guideline 0-2019 (Supersedes ASHRAE Guideline 0-2013) The Commissioning Process. INFORMATIVE APPENDIX E COMMISSIONING PROCESS REQUEST FOR QUALIFICATIONS part E2.3A
a system-focused composite document that includes... additional
information of use to the owner during the occupancy and operations phase?
What is the systems manual.
It also states "includes.... the
operation manual, maintenance manual, and...."
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 135 of 135.
an engineered direct-expansion (DX) multisplit system incorporating at least one variable capacity compressor distributing refrigerant through a piping network to multiple
indoor fan-coil units, each capable of individual zone temperature control, through integral zone temperature
control devices and common communications network. __________. _________ ______utilizes three or more steps of control on common, interconnecting piping.
What is the definition of a Variable refrigerant flow (VRF) system.
Source: Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 135 of 135.
a written document that details the expectations, schedule,
budget, and deliverables of commissioning process activities
related to training of project operating and maintenance
personnel, users, and occupants
What is the definition of "training plan".
Source: Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 135 of 135.
Where is "Extraordinary-incident contingency plan maintenance
and documentation" usually found?
A key focus during the Occupancy and Operations Phase is the ongoing verification of the HVAC&R related OPR, which typically include this; as well as,
2. Facility energy efficiency and conservation.
3. IAQ maintenance and documentation.
4. Occupant comfort maintenance and documentation.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf 8. Occupancy and Operations Phase part 8.2.1.3
Air extracted from a space?
What is return air.
Source: Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 134 of 135.
The final CX report is provided in this phase?
This document is provided in the Occupancy & Operations phase.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf INFORMATIVE APPENDIX G CX PLAN
The owner accepts the BOD based on what?
The owner accepts the ____ based on the recommendation of the CxP
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf H2. Design Phase part D.
These occur during this phase? a. Participate in the pre-bid conference d. Update the OPR to reflect decisions made during the___________ phase.These two events occur during which phase?
This phase may also include bidding, negotiation, and contracting activi-ties. The Systems Manual is delivered during this phase and training is provided.
The prebid meeting occurs during the construction phase (7.2.2 Prebid Conference 7.2.2.1 Time should be allotted during the prebid conference (construction phase) for the CxP Team to alert bidders to Cx requirements with which they may not be familiar.... These focus on the construction phase.
The CxP (commissioning) documentation in the constructionacceptance phase is what as per the BCxP guidelines? For example, tests may be inclusive. HINT: There are 3. Would you want to train facility operations?
As per the BCxP guidelines² ; "The Cx should include the formal acceptance by the Owner of the..." Systems Manual, verified test reports, & training reports, consistent with the recommendations of the CxP and appropriate other CxP Team members. Also this is part of this phase__________.
ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 7.3 Construction Phase Acceptance Requirements 7.3.1
The term SCCS means what?
A) Short Circuit Coordination
This is always regarding the short, long time, instantaneous, and inverse trip characteristics across a system.
TAB (TEST, ADJUST & BALANCE) is a construction phase commissioning step?
True
TAB (test, adjust, & balance) is a commissioning step in this phase. Typically, during the acceptance portion of this phase.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process documents.
7. CONSTRUCTION PHASE 7.1.3 Construction Phase Cx Activities
Cx Activities should be integrated into the ______. Detailed integration of commissioning work with the _____________ is critical to maintaining project schedule milestones.
When planning site visits, the commissioning provider should review the ________________ to identify the systems and assemblies that can be verified. The stakeholders guide mentions In other circumstances, _____________ ________may not allow testing of incomplete systems. Thus, it is necessary to verify the required commissioning performance up to the point of final AHJ inspection.
D) construction schedule should have this integrated to capture milestones.
Note: the budget adversely affects the quality of the Cx process and the schedule affects milestones.
The _________is not responsible for design concept, design criteria, compliance with codes, design or general construction scheduling, cost estimating, or construction management. The ______may assist with problem-solving or resolving nonconformance or deficiencies, but ultimately that responsibility resides with the general contractor and design professionals.
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process E3. LIMIT OF RESPONSIBILITIES
B) CxP is not responsible for design concept, design criteria,compliance with codes, design or general construction scheduling, cost estimating, or construction managementsource: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process E3. LIMIT OF RESPONSIBILITIES
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process E3. LIMIT OF RESPONSIBILITIES
What must be completed and returned prior to FPT (functional performance tests) scheduling?
The FPT is the functional performance test. This would be a function of each component of the system.
Vendor completed PFC (pre-functional checks). Also construction checklist: a form used by the Project Team to verify that appropriate materials and components are on-site, ready for installation, correctly installed, functional, and in compliance with the OPR. (See checklists.)
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process glossary
What is the usual and customary notification for CxP meetings an agenda should be distributed to all invited attendees. The agendashould include action items follow up from the previous meeting.
C) 3 days is the usual and customary notification for ____X.X.X.____ meetings
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 7.2.11 CxP Team Meetings 7.2.11.4
The TAB is called what?
D) Test adjusting & Balancing is known as T.A.B.
The test is to balance the air system and thus test it for pressure to include air and water. Tuning would be for a musical instrument or a carburetor.
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 4.2 Acronyms, Initialisms, and Abbreviations
The balancing of all water and air is called what? What phase is this done in?
The construction phase is always a "work in progress"
Test Adjust & Balance. This is done in the construction acceptance phase.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 4.2 Acronyms, Initialisms, and Abbreviations
The CxP shall perform a review of the commissioned
systems and assemblies in the design documents to evaluate compliance with the ___________.
Not just one person. This team shall perform a review of the commissioned systems and assemblies in the design documents to evaluate compliance with the OPR.
Source: ANSI/ASHRAE/IES Standard 202-2018
(Supersedes ANSI/ASHRAE/IES Standard 202-2013) Commissioning Process for Buildings and Systems part 10. DESIGN REVIEW part 10.2.1
The following describes the contents of what?
1.Determine roles and responsibilities of Cx team members
2.Communications protocols.
3.Roles of each team member and contact details.
4.Schedule of __ activities.
The development of the CX plan. But not a full list.
Source: Candidate Guidebook Building Commissioning Professional (BCxP) pg. 25
Construction documents usually include the? (The project manual is considered the same as? The plans are considered the same as what?)
...these include a wide range of documents that vary from project to project and with the Owner’s needs, regulations, laws, and jurisdictional requirements. ___________ ________ usually include the project manual (specifications), plans (drawings), and general terms and conditions of the contract.
Source: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf pg. 94 of 124
Regarding the systems manual, who is responsible for this document? Examples: u. Verify that the Systems Manual and all other design and construction records have been updated to include all modifications made during the Construction Phase. x. Assemble the final documentation, which includes the Cx Report, the Systems Manual, and all record documents. Submit this documentation to the Owner for review and acceptance.
C) CxP (Cx provider) is responsible for the systems manual updates and submitting to the owner for review and acceptance.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process F2. CX PROVIDER
Which comes first? The OPR or the BOD?
The OPR does comes in prior to this.
Source: ANSI/ASHRAE/IES Standard 202-2018
(Supersedes ANSI/ASHRAE/IES Standard 202-2013)
Includes ANSI/ASHRAE/IES addenda listed in Appendix R
Commissioning Process for Buildings and Systems 4.2.2 Cx Activities and Deliverables
During the _________Phase in a new building and the __________ Phase in an existing building, the Systems Manual requirements are updated and implemented to provide the documents and assemble them for use in training and O&M functions.
Construction
Implementation
Source: ASHRAE-D-86844 GUIDELINE 1.3-2018 TRAINING FOR THE HVAC&R CX.pdf N4. SUMMARY OF REFERENCES TO TRAINING IN ASHRAE GUIDELINE 1.4, PROCEDURES FOR PREPARING FACILITY SYSTEMS MANUALS CONSTRUCTION AND IMPLEMENTATION PHASE FUNCTION
Introduction
For construction or renovation projects requiring contract documents, the Owner shall require, by agreement, the Design Team and Construction Team to include Cx specifications in the project contract documents prior to execution of?
This occurs prior to the execution of contractor or construction manager final or gross maximum price (GMP) agreements. A GMP contract is a contractual agreement between a contractor and project owner that sets a maximum cost for the construction work of a project.
Source: ANSI/ASHRAE/IES Standard 202-2018
(Supersedes ANSI/ASHRAE/IES Standard 202-2013)
Includes ANSI/ASHRAE/IES addenda listed in Appendix R
Commissioning Process for Buildings and Systems part 5.2.6 Cx Specifications
The commissioning activities to accomplish that are most important in the construction phase? The Cx Activities accomplished by the CxP during the Construction Phase include the following:
The term end-of-warranty is not found in the entire ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf
The following are all part of the process during this phase?
c. Reviewing submittals concurrent with the design professionals. (Design meetings)
e. Statistically sampling completion of construction checklists
on a periodic basis to verify that the contractor’s quality
process is achieving the OPR (owner's project requirements).
g. Directing the execution of the tests by the contractors.
j. Reviewing the Systems Manual for achieving the OPR
k. Reviewing, preapproving, and verifying the training provided by the contractors.
l. Verifying delivery of the Systems Manual.
SOURCE: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process E2.3 Cx During the Construction Phase
The following scheduling is completed in ______/ ______ building Cx.
1. Schedule off-season mode testing,
2. Schedule off-season training.
3. Schedule end-of-warranty meeting
¹This is only done in a new building NBCx. ²The CFR is the heart of the EBCx Process. The work-shop guidance for the CFR differs from that in Annex I of Guidelines 0 and 1.1 in that the goal is to establish a format for developing users’ and other’s needs with the existing building’s layout and operations rather than establishing the Owner’s Project Requirements (OPR), which form the basis of the design team’s requirements reflected in the Basis of Design (BoD) for new buildings.
Source¹: Candidate Guidebook Building Commissioning Professional (BCxP) Table 14. Duties, Tasks, Steps, Specialized Knowledge, Skills, Abilities, Tools, Equipment, and Resources Required for Managing Commissioning Projects sub-part: Identify Tasks for Completion of the Cx Process.
Source²: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf INFORMATIVE ANNEX I
CURRENT FACILITY REQUIREMENTSWORKSHOP (c)
The following is a list of ____ responsibilities by project phase (see Table 3.9). Predesign Phase
1. Assist in developing the OPR.
2. Review the OPR.
The commissioning issues log is updated past the post-occupancy period?
True
The commissioning log can be used until turnover and then as a resource for maintenance.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 45 of 135
The Basis of Design is designed by which Cx team member? 5.2.5 Basis of Design Documentation. For construction or renovation projects requiring design, the Owner shall require, by agreement, the development and updating of the Basis of Design (BoD) by the _________, as described in Section 8 of this standard.
Design team does this. And only in existing buildings requiring design.
source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf pg. 7 of 54.
The commissioning is complete once the final report is delivered.
False
The building commissioning continues with Post Occupancy and the 10 month warranty period.
The commissioning plan is developed in which phase of commissioning?
two answers may be correct.
B) Design phase per Stakeholder's guide
Note: ¹The ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf 3.4.7 COMMISSIONING PROVIDER states design-phase and differs from ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf Table D-1 Documentation Matrix states pre-design phase.
The Cx plan is accomplished early
Source: ²ASHRAE-D-86856 GUIDELINE 0.pdf INFORMATIVE APPENDIX D COMMISSIONING PROCESS DOCUMENTATION MATRIX ASHRAE Guideline 0-2019 (Supersedes ASHRAE Guideline 0-2013) The Commissioning Process
The fire marshal is a member of the commissioning team?
No. This individual is a local authority and not part of this team defines as per below;
"....the team of specialists and related support staff who are responsible for the management of actions and the generation of deliverables by the CxP as outlined in the contract between the Owner and the CxP and in the Cx Plan. The CxP Team may consist of several companies, including subcontractors to the CxP who acts at the con-tact
This type of facility requires the following regulatory guidelines: Fire sprinkler systems—NFPA 13—latest edition (even if not adopted by the fire marshal)
What is an existing facility EBCx requirement regarding the fire system.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf INFORMATIVE ANNEX J CURRENT FACILITY REQUIREMENTS
What is PUE? And how is it calculated?
Consider the purpose is to find the efficiency of the building system for which it serves. Its purpose for being.
total facility power/IT equipment energy = PUE. Total facility power is the amount of power the facility uses, which includes all data center hardware, power delivery components, cooling systems and lighting systems.
define OPR. What does this include? Use the acronym B.C.S.S.P.M. _Building Cx Systems Save us from Preventive Maintenance.
performance criteria is also found in the CFR
Owner’s project requirement (OPR): a written document that details the functional requirements of a project and the expectations of how it will be used and operated. These include:
Benchmarks,
Cost Considerations,
Success criteria,
supporting information,
project goals,
measurable performance criteria,
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 134
The entity, identified by the owner, the __________________ leads, plans, schedules, and coordinates the commissioning provider team to implement the commissioning process.¹
will adversely affect the Cx and the success of the facility in meeting the OPR.
C) CxP leads, plans, schedules, and coordinates the commissioning provider team to implement the commissioning process.
Source¹: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 1.4 COMMISSIONING TEAM (B)1 & glossary.
The _______________________ is a group that includes the commissioning provider, specialists, and support staff responsible for actions and generation of deliverables as defined in the commissioning plan.
B) commissioning provider team (CxPT) a group that includes the commissioning provider, specialists, and support staff responsible for actions and generation of deliverables as defined in the commissioning plan.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 1.4 COMMISSIONING TEAM (B)1 & glossary
What is included in a commissioning (Cx) plan (not the initial plan)? What does it outline? Use the acronym G RODS
a document that outlines the
1.Goals
2. Resources, allocation of
3. Organization,
4. Documentation
requirements of the commissioning process.
5. Schedule
Recall. The initial draft of the commissioning plan details what? Acronym SARS. This initial draft plan entails the
1. SCOPE
2. APPROACH
3. ROLES OF EA. TEAM MEMBER
4. SCHEDULE
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf glossary of terms.
A lack of properly defined and regularly reviewed commissioning ________ will adversely affect the quality of the commissioning process.¹ and OPR.²
B) budget will adversely affect the quality of the commissioning process if not properly defined and regularly reviewed.
If the project runs over on budget there may not be any money for the rest of it.
Source²: ASHRAE-D-86856 GUIDELINE 0.pdf INFORMATIVE APPENDIX D COMMISSIONING PROCESS DOCUMENTATION MATRIX ASHRAE Guideline 0-2019 (Supersedes ASHRAE Guideline 0-2013) .pdf 5.2.3.2 Identify the Scope and Budget for the Cx
Prepared by owner, the _____ details the project’s functional requirements and their expectations of how the space will be used and operated. This also includes scope and budget.
A) OPR
The owners project requirements a written document that details the functional requirements of a project and the expectations of how it will be used and operated.
source: ASHRAE-D-90288 BCXP STUDY GUIDE SECTION 1.2: DOMAIN 1, MANAGING COMMISSIONING PROJECTS; TASKS E-I and ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf 1.3 definitions D.
a written document in which the Owner details the _____________________ of a facility and the expectations of how it should be used and operated. This may include goals, measurable performance criteria, cost considerations, benchmarks, success criteria, and supporting information to meet the requirements of occupants, users, and Owner(s) of the facility.
What is the definition of the current functional requirements (CFR) As opposed to the OPR that is prepared by the owner as well.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf part 3. definitions
A ___________ is a written protocol that defines methods, personnel, and expectations for tests conducted on components, equipment, assemblies, systems, and interfaces among systems to verify compliance with the OPR. 3. A _____________________________ is awritten collection of tests that, when executed in the test process, allow verification of the performance of a system or assembly. .
answers are not the same
B) Test procedure and (FPT) functional performance test.
NOTE: As opposed to an FPT is a written collection of tests that, when executed in the test process, allow verification of the performance of a systemor assembly.
In order to coordinate and organize HVAC equipment training sessions for staff and maintenance operators in an efficient way, the commissioning provider should keep the training _________ up to date.
B) schedule should be updated in order to coordinate training sessions for staff and maintenance operators in an effeicient way, the CxP should keep this up to date.
Lack of properly defined and regularly reviewed commissioning ________ will adversely affect the quality of the commissioning process
D) budget
Without a budget and money in the plan there cannot be any of the rest.
The ________phase is when the owner decides which investigation phase recommendations to execute for an EBCx project.
ASHRAE-D-86862 ASHRAE Guideline 1.2-2019_Technical Requirements for EBCx.pdf 4.2.8 The Implementation Phase budget depends on the Investigation Report recommendations that the Owner elects to implement.
implementation phase is when the owner decides with _______ phase recommendations to execute for an EBCx project.
In order to establish the implementation phase budget, _______________ assists the owner in determining what recommendations will be implemented based on their cost-effectiveness and the funding available.
value engineering assists the owner in determining what recommendations will be implemented based on their cost-effectiveness and the funding available. Source: ASHRAE-D-90288 BCXP STUDY GUIDE project tasks domain 1, tasks E-1.
C) value engineering assists the owner in determining what recommendations will be implemented based on their cost-effectiveness and the funding available.
Prepared by the commissioning provider (CxP), the _______________ outlines the organization, schedule, allocation of resources, and documentation requirements of the commissioning process.
A) commissioning plan outlines the organization, schedule, allocation of resources, and documentation requirements of the commissioning process, prepared by the _______.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE
The meeting convened at the conclusion of the commissioning process is the ___________________.
B) lessons learned workshop
The lessons learned is usually a QAQC report
A team composed of owner’s representative, commissioning provider, design professionals, and construction manager is formed during what phase of the job?
the owner's representative, Cx provider, etc. all have a say in the design phase in order to win contracts and increase profits.
A) pre-design phase
Source¹: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 24 states Design phase and contradicts;
construction phase and functional performance testing phase.
A) all of these
What is the difference between recommissioning and retro commissioning?
retro means back or behind.
recommissioning: an application of Cx requirements to a project that has been delivered using Cx. retro commissioning: Cx applied to an existing facility thatwas not previously commissioned.
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
The document includes both narrative descriptions and lists of individual items that support the design process.
A) Basis of Design includes both narrative descriptions and lists of individual items that support the design process.
Note: The design review log is a term not found within the ASHRAE CX process or existing commission building standards. The term is not adequate to the industry. Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
Specific equipment and component performance documentation
requirements and use of construction checklists should be integrated into specification sections in Divisions 2 through 16, with appropriate cross references.
True
NOTE: Some CxP's do not in practice include cross references to the designs in the checklists because they follow the simple method as per CQE ASQ for nominal checks (pass/ fail). How can the CxP review the design in testing if it is not included? Note that this is the other direction. Checkist to specs.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 6.2.4 Cx Requirements in the Construction Documents
The OPR becomes part of the Systems Manual documentation?
The procedures, methods, and documentation requirements in this guideline (ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process) describe each phase of the project delivery and the associated Commissioning Processes from predesign through occupancy and operation, without regard to specific elements, assemblies, or systems.
True
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 2. SCOPE subpart 2.1
These are developed and used during all phases of the Cx to verify that the OPR is being achieved. These include general verification, plus testing, training, and other specific requirements.
Checklists
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
a form used by the Project Team to verify that appropriate materials and components are on-site, ready for installation, correctly installed, functional, and in compliance with the OPR.
Developing draft construction checklists is part of the 5.2.7 Prepare Cx Progress Reports
construction checklist. Construction checklists should be kept as short as possible, and the questions should be worded clearly, so that the correct answer is typically “yes.”
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
The Construction checklists should be kept as short as possible, and the questions should be worded clearly, so that the correct answer is typically?
Yes. This may also be a pass fail criteria for _____________.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
What does the acronym ASHRAE mean?
American Society of Heating, Refrigerating and Air-Conditioning Engineers.
Source: internet dude.
7.2.1.1 During the Construction Phase, the CxP Team works to verify that systems and assemblies are
meet the BOD and achieve the OPR is a fundamental terminology and approach found throughout the ASHRAE guidelines.
During the construction phase, the CxP works to verify that systems are installed in a manner that will achieve the OPR. However it is worth nothing that the CxP does not fill out the construction checklist for install as they did not install it. Typically the GC / trade partner will do this.
It is the responsibility of the CxP team to verify the construction checklist is filled out properly and the equipment is installed correctly?
False
The Cxp verifies install to the OPR and audits the checklists for proper use. The actual install verification is done by the party that fills out the checklist and should be the installing contractor and GC.
7.2.1.5 Responsibilities of the CxP Team during the Construction Phase include the following: m. Verify completion of items indicated in the construction checklists.
7.2 Construction Phase Cx Activities
7.2.1 Construction Phase Cx Responsibilities
7.2.1.1 During the Construction Phase, the CxP Team
works to verify that systems and assemblies are installed in a manner that will achieve the OPR.
They can also be used by the contractors to track progress of construction against the schedule of values.
C) Checklists can also be used by the contractors to track progress of construction against the schedule of values.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
__________are used by the CxP Team to verify that the installation meets the OPR. They can also be used by the contractors to track progress of construction against the schedule of values.
B) Construction checklists are used by the CxP Team to verify that the installation meets the OPR.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 6.2.5.8
This regards qualitative (list) and quantitative (values) and are recommended to be included in the IRL (issues resolution log). This may be used to examine ROI and the approval to continue the project.
Costs and Benefits 1. Benefits, BOTH qualitative (list) and quantitative (values), including direct monetary values and indirect benefits are recommended to be included in the _____________.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems
If an issue is observed during a test, the test should be terminated within the scope of the contract. An issue report is created at the time of observation. If the issue cannot be resolved within a reasonable time period, it may be required to run the test immediately, with the understood options to?
run the test later after all issues are resolved, if the issue cannot be resolved within a reasonable time period.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
It is important to include a copy of all the ____________in the Systems Manual to provide a history and information on the items of concern and problems found during design, construction, testing, and commissioning of the facility. This information can be used in O&M training and to resolve similar problems in the operating building.
This is maintained even during operations and after IST
issues and resolution logs.
source: ASHRAE Commissioning Stakeholders’ Guide GERALD J. KETTLER, PE, CCP, CIAQM, TBE, BEAP, REM, CEM
What is a CxP? How does this sometimes regard training? Consider if the vendor does not provide it.
Commissioning Provider. If training is included in the project scope, the CxP may prepare training curriculum and conduct or observe training.
source: ASHRAE Commissioning Stakeholders’ Guide GERALD J. KETTLER, PE, CCP, CIAQM, TBE, BEAP, REM, CEM
The Design Team is also responsible for responding to design review comments from the _____. Sometimes the Design Team will provide commissioning specifications for the CxP to review, but most often the _____ provides the commissioning specifications for the Design Team to review and incorporate into the contract set of specifications.
During the Design phase. Upon correction and resubmittal, the Owner accepts the ____ based on the recommendation of the CxP.
The OPR is done during predesign phase and the BOD is in design phase as per ASHRAE Guideline 0-2019 (Supersedes ASHRAE Guideline 0-2013) 5. PREDESIGN PHASE 5.1 Introduction 5.1.2
D) all of these are accepted by the owner based on the recommendation of ____.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process H2. DESIGN PHASE
The Systems Manual is delivered during this phase and training is provided.
A) Construction phase is when this is delivered, and training provided.
NOTE: The systems manual is updated throughout the life of the project as well.
Source: ASHRAE Guideline 0-2019 part 7. CONSTRUCTION PHASE 7.1 Introduction 7.1.1 where Figure B-1 Cx flowchart shows this as a post occupancy & operations ongoing Cx process.
Verifying that submittals meet the OPR is required at what phase in the project?
Consider how long it takes the design team and the contractors to settle on an approved submittal.
C) The construction phase is when these are verified as meeting the OPR. ¹
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 7 & 7.2.7
f. Any consistent problems with the installation identified (typically more than 10% of the sample has the same issue), including record documents, are documented in general terms and provided to the ______ for resolution. The _______ is then responsible for 100% checking of all affected systems or assemblies and making corrections as required.
A) contractor
This is done under ASHRAE Guidelines 0-2019 part 7.2.12 Accomplish periodic site visits to verify compliance with the OPR.
Tests shall be performed according to written procedures. Results of test performance shall be recorded on the test data forms and witnessed even if the tests are not approved.
False
They must be approved test plans. source ASHRAE 0.2019
Tests verifying system and intersystem performance according to the OPR can not begin until?
the construction checklists have been verified and accepted by the CxP Team.
Source: ASHRAE 0.2019 part 7.2.13.3 The Commissioning
Process
Whom, and during what phase develops the training material and submits it to the Owner, CxP, and design professionals for review and comment before the first training session.
The contractor does this with training material during the design phase.
Source: H2. Design Phase ASHRAE 0.2019 The Commissioning Process
The _____is considered the heart and soul of the Cx.
When the _____ is not developed, the Owner, designer, contractors, and O&M personnel each interpret the building requirements, including their individual responsibilities, from the standpoint of their own specific needs. This often creates a range of diverse views of the constructed project’s needs. Unfortunately, while critical for a successful project, the ______is rarely developed. Developing a _______ that reflects the actual needs of the Owner, the users or occupants, service and operating units, and sometimes the community is one of the most important aspects for successful implementation of the Cx.
Note that, historically, this has often been referred to as “design intent” or “project intent.”
Owner's Project Requirements
Source: INFORMATIVE APPENDIX I OWNER’S PROJECT REQUIREMENTS WORKSHOP GUIDANCE
The OPR (owner's project requirements) usually shows?
The _________ usually shows:
Background
Objectives
—Goals can range from first cost to time schedule, to number of change orders, to life-cycle cost. Regardless of which goals are identified, they must be summarized up front to ensure everyone is on the same page.
Green building concepts (optional)
Functional uses and requirements
Lifespan, cost, and quality
Performance Criteria
Maintenance Requirements
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process INFORMATIVE APPENDIX I
OWNER’S PROJECT REQUIREMENTS
WORKSHOP GUIDANCE
Beginning the Cxduring the Predesign Phase facilitates project communication by monitoring the OPR from Predesign through Design Phase, Construction Phase, and Occupancy and Operations Phaseand by verifying decisions in these phases with the written _____________.
The OPR is done during predesign phase and the BOD is in design phase as per ASHRAE Guideline 0-2019 (Supersedes ASHRAE Guideline 0-2013) 5. PREDESIGN PHASE 5.1 Introduction 5.1.2
B) OPR and the BoD.
All of these options are real in the Cx process but only one answer is correct. Source 5.2.2 ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
This is essential to ensure that issues, benefits, and recommendations are captured in a written document while all team members are available, and information is fresh.
D) Lessons learned
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 7.2.15.1(h) Construction Phase Cx Report
Identification of any systems or assemblies that do not perform in accordance with the OPR. For various reasons, the Owner may choose to accept performance that is at variance with the OPR, either permanently or until _________.
schedule and budget constraints allow for correction.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 7.2.15.1 Construction Phase Cx Report
a written protocol that defines methods, personnel, and expectations for tests conducted on components, equipment, assemblies, systems, and interfaces among systems to verify compliance with the OPR.
This guideline 0 describes the Cx and is supplemented by ________________. A ___________ describes the specific details to properly implement the Cx relative to a specific facility system or assembly.
companion technical guidelines.
published by NIBS as Guideline 0, The Total Building Commissioning Process). This includes requirements for
a. [insert topic] to fully support the total-building Cx Activities;
b. verification during each phase of the Cx;
c. acceptance at each phase;
d. documentation during each phase;
e. Systems Manual; and
f. training for O&M personnel and occupants.²
source¹: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process Utilization part 3.2
Source²: This regards appendix A in the above source.
acceptance: a formal action, taken by a person with appropriate authority contractually defined, to declare that some aspect of the project meets defined requirements, thus permitting subsequent activities to proceed.
False
a formal action, taken by a person with appropriate authority(which may or may not be contractually defined)
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 4 definitions
checklists: verification checklists that are developed and used during all phases of the Cx to verify that the OPR is being achieved. These include checklists for?
B) all of these
Notice that training is part of the checklists. source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 4 definitions
a formal, structured brainstorming process used to obtain the maximum possible ranked input from a variety of viewpoints in a short period of time. The typical approach is a workshop session where a question is presented, the attendees record their responses individually, on a piece of paper, the individual responses are recorded on a flip chart without discussion in a round robin fashion and all of the responses are discussed, and then the participants rank their top five responses.
only one answer regards an anonymous response
A) nominal group technique
(VERIFIED) Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 4 definitions. Also see Scott A. Laman, ASQ certified quality engineer, BOK 2021(c)
This phase is critical to the Cx because the documented OPR forms the foundation for the design, construction, and occupancy and operation of the facility and is the basis for the Cx Plan and schedule.
the design and construction phases is where the OPR are updated but this phase is critical
D) pre-design phase
(VERIFIED) The pre-design phase is the basis for the Cx Plan and the schedule.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 5. PREDESIGN PHASE 5.1 Introduction and 5.1.2
Pre-design phase Cx objectives includes a Review and use of lessons-learned information from previous projects.
Although the lessons learned are phase to phase and the OPR is project to project; notice the Lessons learned can also be project to project.
True
a. Developing the OPR
b. Identifying a scope and budget for the Cx
c. Developing the initial Cx Plan
d. Acceptance of Predesign Phase Cx Activities
e. Review and use of lessons-learned information from previous projects.
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 5. PRE-DESIGN PHASE 5.1.3
The following term "outlines the organization, schedule, allocation of resources, and documentation requirements of the commissioning process." regards what?
B) Cx Plan
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 1.3 definitions
The Assessment, Investigation, and Implementation Phases are critical to making a difference in a facility, but the most overlooked phase is the _______, which is used for verifying and sustaining the actual performance of the facility over time.
A) OCx Phase (ongoing comissioning)
As a continuation of the commissioning process typically implemented following NCCx or EBCx, OCx verifies that a facility continues to meet current and evolving Current Facility Requirements, or CFR (OPR for new construction). ²
Source¹: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems pg. 2
Make reference to the ____ in the bidding documents as “information available to bidders.” It must be noted in the contract documents that the _____ is issued for information only and that this document shall not define, nor shall it be used to interpret, the requirements of the contract.
The OPR is done during predesign phase and the BOD is in design phase as per ASHRAE Guideline 0-2019 (Supersedes ASHRAE Guideline 0-2013) 5. PREDESIGN PHASE 5.1 Introduction 5.1.2
A) OPR (owner's project requirements)
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 5.2.2.8
The scope of services in the Owner/Design Professional Service Agreement should also include what requirement?
The scope of services in the Owner/Design Professional Service Agreement should also include the requirement to cooperate with the CxP during the Predesign Phase, Design Phase, and Construction Phase of the project. This may include testing soils, surveying, or other requirements during predesign.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 5. PREDESIGN PHASE 5.2 Predesign Phase Cx Activities 5.2.1.5
The CxP Team may include a myriad of vendors. There are many duties on the CxP but which one involvessoft skills?
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 5 part 5.2.1.6 Responsibilities of the CxP Team during the Predesign Phase include the following: g. Build and maintain cohesiveness and cooperation among the Project Team.
The primary role of the _____ is to verify achievement of the OPR throughout the project, from Predesign Phase through Occupancy and Operations Phase. Thus who(m) should perform this role?
random sampling accomplishes this
The Owner or its representstive should perform this role. The CxP is typically the owner or its representative.
ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part INFORMATIVE APPENDIX L SPECIFICATIONS L2. THE CX PROVIDER L2.1
This approach will then focus on the goals of the EBCx Program and specific issues identified affecting the performance of individual buildings and systems within the established focus areas to mitigate cost and budget constraints with normal new construction methods for Cx.
“all systems and equipment” approach using statistical sampling or diagnostics as the basis for testing. To reduce budget and cost constraints.
Source: ASHRAE-D-86862 Cx for EXISTING HVAC&R ASHRAE Guideline 1.2-2019 part 5.2.7.3
Testing all systems and components to ensure proper and efficient performance will likely yield comprehensive results in existing building Cx. However, the costs associated with this level of detail will often prove prohibitive. In most cases, the EBCx (existing building commissioning) Program will likely realize the majority of the benefits possible from the?
“all systems and equipment”approach, through application of statistical sampling or diagnostics as the basis for testing.
Source: ASHRAE-D-86862 Cx for EXISTING HVAC&R ASHRAE Guideline 1.2-2019 part 5.2.7.3
Once construction checklists and test procedures have been established, which of the following SHOULD happen?
construction phase is key in this question.
B) Commissioning provider directs, witnesses, and documents the tests.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE 2022 DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS
The test procedures and data recorded during commissioning are used for which of the following?
D) to verify conformance with the BOD and achievement of the OPR
Source: ASHRAE-D-90288 BCXP STUDY GUIDE 2022 DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS
In which phase does the owner's project requirements (OPR) and basis of design get updated?
At what point in commissioning is the systems manual and submittals verified?
During the construction phase. The systems manuals are verified after the submittals are verified. This is while the test procedures are developed and the construction checklist is verified for completeness.
A building project includes new and updated equipment. Which of the following BEST helps in defining the project scope?
6.4.4.3 Owner-Directed Requirements. Many Owners document directives derived from past experience with the HVAC systems or components, and from the need to standardize the maintenance function. Source: ASHRAE Guideline 1.2-2019 EBCx
A) previous experience in similar building use
NOTE: 8.1.3 Occupancy and Operations Phase Cx objectives
include the following: a. Using the CxP’s project knowledge and experience to minimize contractor callbacks²
Source¹: DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS #7
Source²: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process part 8.1.3
The use of commissioning in new construction may take into account seasons for customer cost savings.
False
This is ideal of an existing building Cx. per 5.2.10.1 Seasonal timing may come into play. If heating costs are low but air-conditioning costs are high for some buildings in a portfolio, while the opposite is true for others, EBCx in the winter for the former and in the summer for the latter will allow improvements to be made before the next season’s big expenses are encountered.
Source: ASHRAE-D-86862 Cx for EXISTING HVAC&R 2019
When considering which building on a university campus would be best suited for an existing building commissioning study, which of the following is the MOST important consideration?
A) the criticality of the building for the organization’s mission
Source: ASHRAE-D-90288 BCXP STUDY GUIDE 2022
The Assessment Phase consists of preparatory activities of the Existing Building Commissioning (EBCx) Process in which Current Facility Requirements (CFR) and an EBCx Plan are developed and defined for the HVAC systems in a?
C) single facility
Note: if EBCx Process is being deployed for multiple facilities, complete the Multiple-Facility Planning Phase before proceeding with this section.
The EBCx Plan provides the foundation from which the Assessment and Implementation Phases proceed.
This is developed in the assessment phase and updated in the two follow on phases.
False
_______ ______ provides the foundation from which the investigationand implementation phases proceed.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 6.5 Develop the EBCx Plan sub-part 6.5.1
The objective of the _________________ Phase is to execute the recommendations selected from the Investigation Reports. Verify performance meets the CFR. Report the results of __________.
What is the implementation phase in EBCx.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 4. PROCESS OVERVIEW 4.6.4
In EBCx what is the difference between assessmentand investigationphases?
The purpose of the assessment is to understand enough about the facility to develop an initial scope, schedule, and budget for the EBCx, and to identify any potential improvementsthat might arise from the EBCx Process.
The Investigation Phase consists of the detailed site investigation, which compares the building’s heating, ventilating, air conditioning, and refrigeration (HVAC&R) system performance with the Owner’s current operational needs and requirements as defined by the Current Facility Requirements (CFR).
Source: ASHRAE-D-86862 Cx for EXISTING HVAC&R 2019 part 6.7 Perform Assessment 6.7.1 & 7. INVESTIGATION 7.1 Introduction 7.1.1
The major differences between the BOD and the OPR is what?
The OPR comes before the BOD
The ___________ records major thought processes and assumptions behind design decisions made to meet the __________, whereby the _________ is intended to capture WHAT the owner needs and expects from the project.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process Informative Appendix K Basis of Design
The ___________ define how the OPR will be physically achieved and captures important information linking the what and the how.
C) Construction Documents illustrates how the OPR will be achieved.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process Informative Appendix K Basis of Design
Who should organize the commissioning team?
D) The CxP should organize this team.
Source: DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS ASHRAE-D-90288 BCXP STUDY GUIDE
The _________is intended to capture what the Owner needs and
expects from a project.
B) The OPR (owner's project requirements) is intended to capture WHAT the Owner needs and expects from a project.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process Informative Appendix K Basis of Design.
When using internal personnel resources in an existing building commissioning program (EBcX), which of the following is the MOST important regarding budget?
B) additional equipment and training required to complete essential building commissioning tasks in EBcX using internal personnel resources, this is the most important regarding __________.
Source: DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS ASHRAE-D-90288 BCXP STUDY GUIDE
What defines the owner's current operational needs and requirements?
B) CFR (current facility reqiurements)
Source: ASHRAE-D-86862 Cx for EXISTING HVAC&R 2019 part 7.1
What compares the building’s heating, ventilating, air conditioning, and refrigeration (HVAC&R) system performancewith the Owner’s current operational needs and requirements as defined by the Current Facility Requirements (CFR)?
The investigation phase (not the assessment phase) in EBCx compares this. (existing building commissioning)
Source: ASHRAE-D-86862 Cx for EXISTING HVAC&R 2019 part 7.1
The owners current operational needs are defined by what document in the EBCx?
CFR (current facility requirements)
Source: ASHRAE-D-86862 Cx for EXISTING HVAC&R 2019 part 7.1
At a minimum, how often should issue reports be created?
D) at each commissioning team meeting
ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx 7.2.13.2 part D.
ASHRAE-D-90288 BCXP STUDY GUIDE Process
Once the owner has reviewed and accepted the finalissues log, what is the NEXT action for the commissioning provider?
The Cx plan also includes this
C) Include the issues log in the final commissioning report.
ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx
ASHRAE-D-90288 BCXP STUDY GUIDE Process
Testing is in progress for a pair of exhaust fans that operate in a lead standby configuration. When the breaker for the running fan is opened the lag fan is enabled, but the associated flow switch does not show flow. What action should the commissioning provider take?
A) Fail the step in the test procedure and make the appropriate entry in the issues log.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS
The overall goals of the EBCx Program are to address the following while meeting the CFR:
Notice the EBCX meets the CFR where the BOD meets the OPR in NBCX
The overall goals of this _________ is to meet the CFR while addressing the following:
a. Improve Indoor Environmental Quality (IEQ). The
building is known to have significant IEQ problems, such
as occupant comfort in faculty offices, critical environment
stability in research labs, and noise in classrooms.
b. Reduce Overall Energy Use. UR has the second highest
energy usage intensity (EUI) of the entire campus portfolio
INVESTIGATION REPORT EXAMPLE 1. EXECUTIVE SUMMARY A. Objective
____________is comparing a building’s normalized energy consumption in terms of energy use intensity (EUI) to that of similar buildings.
What is benchmarking when used with this.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 68 of 135.
What is the meaning of EUI and ECI? Which is normalized energy consumption.
Energy Use Intensity (EUI) (a buildings normalized energy consumption) and Energy Cost Intensity (ECI) are these acronyms.
During the first year of the operation of a new building, the owner receives repeated reports of discomfort in a room served by a chilled water fan coil unit. Thermostat setpoint is kept at 72°F (22°C), but some of the reports concern overcooling, while others report warm conditions. To troubleshoot the issue, what should the commissioning provider
recommend FIRST?
Check and verify the functionality of the control valve and the
controller.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 73 of 135
During the occupancy and operations phase, the temperature supply of
an air handler is found to be outside of design parameters. To address
this issue, which activity should the commissioning provider initiate
FIRST?
B) conduct a warranty reivew
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 72 of 135
During initial testing in the summer season, nuisance tripping of the pre-heat coil freeze stat in an AHU is identified as an issue. Which of the
following should the commissioning provider recommend as the NEXT
course of action?
Freeze stats, or low limit safety switches, are positioned between the preheat and chilled water coil and monitor the inlet air temperature. They are typically set at 37F (adj). When the freeze stat senses cold, it sends a signal to shut down the unit and start the circulating pump for added protection.
Conduct opposite season testing on all AHUs is the best approach to this problem of nuisance tripping of the pre-heat coil freeze stat in an AHU.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 72 of 135
What is the difference between consumption and demand charges? What increments are they measured in?
Electricity demand is measured in kilowatts (kW) and represents the rate at which electricity is used. Electricity consumption, on the other hand, is measured in kilowatt-hours (kWh) and represents the amount of electricity used over a certain time.
The monthly electricity bill for a building shows the following metered data and information:
− Actual Demand: 171 kW
− Billing Demand: 195 kW
− Consumption: 56,400 kWh
− Demand Charge: $18/kW/month
− Consumption Charge: $0.1/kWh
The service provider uses a flat rate for consumption charge, and a
ratchet for demand charge. What is the total billed cost for this month?
BILLING DEMAND=
195KW x18$ =3510$
CONSUMPTION CHARGE
56,400KWH x .1/kwh =5640$
ADD BOTH = 9150$
The commissioning provider develops testing plans that confirm the systems and assemblies conform to the?
D) The commissioning provider develops ______ that confirm the OPR.
ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx ASHRAE-D-90288 BCXP STUDY GUIDE Process
What is used to monitor the progress of commissioning?
Checklists are used to monitor the progress of this. Thus these are provided in the commissioning report.
Design documents and review for the final Cx report: A copy of the final OPR, BoD, and design and submittal reviews as required by the Cx Plan are included. As an alternative, the copies of the OPR and BoD may be omitted from the commissioning report if ____________?
if included in the systems manual this may be omitted from the final Cx report.
Source: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf Table B.16 Final Commissioning Report Design Documents and Reviews.
Depending upon local requirements, the building official could review a preliminary Commissioning Report document or require a document certifying the Owner’s receipt of the report before __________.
This official may require this document certifying the owner's receipt of this report type prior to issuing a Certificate of Occupancy.
Source: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf Preface xiii
It is important for Owner’s representatives to participate in CxPTeam meetings, review of Cx Reports, discussions of changes to the OPR, and staff and occupant training. Other Cx Activities in which Owner’s representatives typically participate include?
Other Cx activities in which they attend include reviewing submittals and witnessing testing.
Developing a CFR that reflect the present needs and requirements of the Owner, the users or occupants, service
and operating units, and if appropriate, the community
C) all of these: their needs are reflected in this document. for EBcX
source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems 6.4 Develop CFR part 6.4.2
In a new building what is required regarding construction and updating the CxP plan for changes to procedures and __________
Changes to the communication channels and procedures
to be used during the Construction Phase.
ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 7.2.5 Update the Cx Plan 7.2.5.1
Concurrent with Design Team and Owner review, a designated CxP Team member reviews coordination drawings, shop drawings, and project submittals for compliance with the OPR. Special attention must be paid to this during the pre-construction phase (same as design phase) regarding these? Consider change.
substitutions and proposed deviations from the contract documents and the BoD during the _____ phase that could adversely impact the OPR require special attention.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 7.2.6 Conduct Preconstruction Cx Meeting 7.2.7.2 Verify submittals. part 7.2.7.
Regarding tests during the Construction Phase. Test procedures List of instrumentation, tools, and supplies required for the test. requires what?
consider the Juran trilogy of requirements: planning, control, and implementation is consistent with W.E. Deming's: introduced quality in Japan in the 1950s as he asserted there was no point in extorting employees to produce higher quality work because the changes needed to improve quality were almost always outside the workers control such as having the right tools, training, and materials.
These _________ requirements List of; instrumentation, tools, and supplies required for the test. Participants responsible for each of the items listed. The list should be specific as to (use the acronym CM CRAM).
capacity,
make,
calibration,
range,
accuracy,
model,
(performance requirements)
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 7.2.9 Develop Test Procedures 7.2.9.1 Test procedures
During the construction phase, the defined requirements for test proceduresregards what must be recorded, and acceptable results in each step are?
An indication, for each step of the procedure, of what observations or measurementsmust be recorded and the range of acceptable results are recorded during this phase and in these.
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 7.2.9 Develop Test Procedures 7.2.9.1 Test procedures
What defines the means and methods to carry out the tests that are accomplished during the Construction Phase?
Identify the who(m) that is responsible for the following: Issue a statement certifying that all work has been completed and that the facility is operational, in accordance with contract documents.
B) construction manager
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process INFORMATIVE APPENDIX F ROLES AND RESPONSIBILITIES
Identify the who(m) that is responsible for the following: Remedy deficiencies identified by the CxP during verification of the installation or testing.
B) (CM) construction manger
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process INFORMATIVE APPENDIX F ROLES AND RESPONSIBILITIES
Who(m) is responsible for the following:
a. Include costs for Cx Activities in the contract price.
b. Include Cx Activities and requirements in all contractors’ contracts.
c. Provide adequate accessibility as required to properly operate and maintain the facility.
d. Provide acceptable representation with the means and authority to prepare and coordinate implementation of the Cx as detailed in the contract documents.
e. Issue a statement certifying that all work has been completed
and that the facility is operational, in accordance with contract documents.
f. Issue the appropriate final reports to the design professionals
for review and acceptance.
g. Remedy deficiencies identified by the CxP during verification
of the installation or testing.
h. Review and comment on the final Cx Report.
(CM) construction Manager is responsible for all of these functions A-H.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process INFORMATIVE APPENDIX F ROLES AND RESPONSIBILITIES
What parties Review and comment on the final Cx Report versus the final EBCx report?
obviously if an EBcX has a large project there may be a CM and thus this would require them to comment.
Design professionals & CM: construction manager in new construction comment on this final report and in EBcX only the design professionals do this as a standard.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
This uses the nominal group technique and is typically facilitated by the _____ who elicits the primary concerns of the Project Team to arrive at group consensus of priorities for the OPR?
D) CxP
Source: I2.1 OPR Workshop ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
The following describes what? This is accomplished through the presentation of multiple questions in an ordered structure. Provide each question or open concept to each individual participating in the workshop.
b. Allow three to five minutes of quiet writing time for each individual to respond with as many answers and ideas as he/she can.
c. Record individual responses in a round-robin fashion—no discussion at this point, just record the responses on a visual flipchart, overhead, chalkboard, or multicomputer link to all participants.
d. Review all responses, consolidate similar ones, and clarify so all in the group have the same understanding of all responses.
e. Have individuals rank the responses for importance (1 through 5).
f. Determine a group ranking from individual rankings.
g. A rediscussion of the top 10 items—and any responses ranked most important—is desired, followed by a second round of individual and group combined rating/ranking
B) nominal group technique
Although OPR workshop is also correct, the best answer is nominal group technique: This is accomplished through the presentation of multiple questions in an ordered structure.
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process
N1.5 Design Professional Actions. Comments provided by the CxP should be formally replied to by the design professionals. If systemic issues are identified during the CxP’s review, the design process should be?
If _________ ______are identified during the CxP’s review, the design process should be stopped, and the issues resolved. It is expected at the next submission that the CxP will again use random sampling that will result in a review of different areas on the drawings and the specifications, and that will identify whether the systemic issue has been resolved. Back-checking of the specific items may be appropriate, but not as the sole means of verifying resolution of the issue.
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process N. Design Phase submissions part N1.5 Design Professional Actions.
What identifies whether the systematic issue regarding specifications and prints has been resolved in a new construction project? During which phase?
During the design phase process these are checked for resolution using random sampling of specifications and prints.
source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process N. Design Phase submissions part N1.5 Design Professional Actions.
_____ is a process for evaluating a subset (sample) of the total population. The sample is based on a known or estimated probability distribution of expected values; an assumed statistical distribution based on data from a similar product, assembly, or system; or a random sampling that has scientific statistical basis.
B) quality-based sampling,
Recall: Simple random sampling is a type of probability sampling in which the researcher randomly selects a subset of participants from a population. Quality sampling
The examination of a subset of the population regards the subset is what?
D) sample
Note that the numerical value of a population is a parameter as per the ASQ BOK (American society of quality book of knowledge) and a subset of the population (people) is a statistic.
The following represents the use of _______ and are all requirements per the ASHRAE BCxP standards.
1. verify the test data report
2. The CxP evaluates the contract documents using this to determine their ability to achieve the OPR. i.e. submittal review.
3. contractors Verify the execution of commissioning process activities using this.
ask... how do we verify?
random sampling verifies the _________ report, and the CxP uses this to determine ability to achieve the _______, and contractors verify the execution of __________________activities.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process (key word random sampling) H2. Design phase General Process for accepting contract documents. part B.
Who(m) organizes and leads the commissioning team?
Under each contractor's responsibility... When a random sample does not meet the requirement, _____ will report the failure in the “issues and resolution log.”
D) CxP
(VERIFIED) Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process 1.7 CxP’S RESPONSIBILITIES part E.
Note: Commissioning Provider (CxP): An entity, identified by the Owner, who leads, plans, schedules, and coordinates the Commissioning Team to implement the Commissioning Process.
Which piece of equipment requires O&M staff training by a factory-trained technician?
To determine which equipment and assemblies require construction checklists, what document should the commissioning provider review FIRST?
To determine which equipment and assemblies require this the first document to review is the OPR. Notice that the BOD is supposed to provide the list of equipment to have checklists. OPR is systems and assemblies via test procedures.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 59
Reserve two to three months to arrange the schedule and engage participants for training sessions. Do not underestimate the time it will take to set this up. Start early; is there a need to wait for submittals to be completed?
No. Regarding the training schedule and participants. This does not need to be approved prior to training. however, approved submittals are required to develop the systems manual.
Source: ASHRAE-D-86844 GUIDELINE 1.3-2018 TRAINING FOR THE HVAC&R CX.pdf L1. TIPS FOR SUCCESSFUL TRAINING
At which stage in the project should the commissioning provider conduct a kickoff meeting with the commissioning team to explain procedures and coordinate activities?
A) early construction stage
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 57 of 135
When reviewing the VAV box construction checklists, the commissioning provider notices that the contractor has failed to fill out the equipment/assembly verification section. At what stage of the project is the contractor required to start the equipment/assembly verification section?
A) once submittals are approved
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 56 of 135
Who is responsible for the following? "______________ ____ __ __________shall assign representatives with expertise and authority to act on their behalf and schedule them to participate in and perform commissioning process activities including, but not limited to, the following: Evaluate performance deficiencies identified in test reports and, in collaboration with entity responsible for system and equipment installation, recommend corrective action."
The CM Provides acceptable representation with the means and authority to prepare and coordinate implementation of the Cx as detailed in the contract documents.
B) Each contractor and their sub-contractors
Source: ASHRAE-D-86856 GUIDELINE 0.pdf INFORMATIVE APPENDIX D COMMISSIONING PROCESS DOCUMENTATION MATRIX ASHRAE Guideline 0-2019 (Supersedes ASHRAE Guideline 0-2013) .pdf 1.1 RELATED DOCUMENTS 1.6(A)1 [EACH]CONTRACTOR'S RESPONSIBILITIES
Whose responsibility is "Provide adequate accessibility as required to properly operate and maintain the facility."
C) (CM) construction manager is required to provide this for the facility regarding this.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process INFORMATIVE APPENDIX F ROLES AND RESPONSIBILITIES
What scope is regarding "General administrative and procedural requirements ¹without regard to specific systems and assemblies" Realizing that test procedures and BOD² address specific systems. Regarding the systems manual.
This regards the general commissioning requirements under the system manual part A. and general regarding 10 sections included but not this as this is included under the xxxSystem/Assembly part B.
Source¹: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf Table L-1 Description of Specification Sections Also SECTION 01 9113 GENERAL COMMISSIONING REQUIREMENTS and 1.2 Summary part A.
Source²: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf INFORMATIVE APPENDIX O SYSTEMS MANUAL xxx System/Assembly
What is "2. Accessibility to equipment/components for maintenance/ replacement." & who is primarily responsible to check this?
During the design review and during coordination review, which is part of this. The intent of this review is to identify coordination problems with the placement and installation of components. Items of specific interest & this is a responsibility of the CM construction manager.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process N1.2 Coordination Review c. Accomplish Coordination Review.
Each item of the OPR shall have defined performance and acceptance criteria. Those that can be bench-marked should have the_______.
A10. SECTION 9, REFERENCES Include industry-specific references that support recommendations for benchmarking, testing, and other supporting guidance in the development of the OPR, BoD, tests, and other Cx documents
This document should have defined performance and acceptance criteria and the benchmark defined in specific terms and the means of measurement defined.
Also included in the Systems Manual is the development of periodic maintenance and information for insertion into __________, including equipment make and model information, checking requirements, maintenance requirements, and troubleshooting items.
What is a CMMS. computerized maintenance management system is included in this.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf INFORMATIVE APPENDIX O SYSTEMS MANUAL
The following regards what?
-0a listing of targets or benchmarks for future comparison and optimization of the HVAC&R systems. This includes energy usage, efficiencies, performance information, and capabilities of the HVAC&R systems and components.
This regards benchmarking in the OPR.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf 5.2.2 Owner’s Project Requirements Document.
What regards only economic performance criteria only when developing the OPR?
benchmarking and energy efficiency goals.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process Table J-1 Example Matrix for Developing OPR
Systems integration requirements, especially across disciplines is a key¹OPR performance criterion?
False
this is a general performance criteria of the OPR where this requirement is omitted as a key performance criteria of the OPR. ²The objective of specifically documenting BoD information is to provide the parties involved with a project, at each phase in the process, an understanding of the underlying thinking that led to the selection of specific components, assemblies, systems, and system integrations. A design narrative that provides an overview of assemblies and systems in verbal format is usually an integral element of the BoD.
Source¹: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process Table J-1 Example Matrix for Developing OPR
Source²: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process INFORMATIVE APPENDIX K BASIS OF DESIGN
¹The objective of specifically documenting OPR information is to provide the parties involved with a project,at each phase in the process, an understanding of the underlying thinking that led to the selection of specific components, assemblies, systems, and system integrations. A design narrative that provides an overview of assemblies and systems in verbal format is usually an integral element of the OPR.
Recall that only one document considers project to project updates and that the other considers system integrations..
False
The objective of the BOD (basis of design) is to provide the parties involved with a project, at each phase in the process, an understanding of the underlying thinking that led to the selection of these.
Source¹: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process INFORMATIVE APPENDIX K BASIS OF DESIGN
L2.2 When the Ownercannot perform the CxP duties with qualified personnel, the CxP should have a _________with the Owner, as this avoids conflicts of interest and provides independence from the other parties (the Owner’s project manager, designers of record, construction managers, suppliers, and construction contractors). This ________ defines the duties, rights, and responsibilities of the CxP for each phase of the project. This separate relationship allows the CxP to act independently as director of Cx Activities, to focus on achieving the OPR, and to communicate directly with the Owner.
separate professional services agreement regards this and a potential conflict of interest and provides independence from owner PM, EOR, CM's, suppliers, and construction contractors.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process INFORMATIVE APPENDIX L SPECIFICATIONS L2. THE CX PROVIDER part L2.2
Which DIVISION NUMBER is the Section “Commissioning of Communications” for commissioning process activities for communication systems, assemblies, equipment, and components?
This is called division 27.
Note: in EMEA all of the divisions are combined and the divisional number system is not used.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process SECTION 01 9113 GENERAL COMMISSIONING REQUIREMENTS PART 1—GENERAL 1.1 RELATED DOCUMENTS 1.2 SUMMARY
Which division is the section Division XX Section“Commissioning of Integrated Automation” for commissioning process activities for commissioning integrated automation systems, assemblies, equipment and components."
This describes division 25.
Note: in EMEA all of the divisions are combined and the divisional number system is not used.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process SECTION 01 9113 GENERAL COMMISSIONING REQUIREMENTS PART 1—GENERAL 1.1 RELATED DOCUMENTS 1.2 SUMMARY
Sampling plans are either attribute plans or variables plans. An attribute plan is one in which each sample is inspected and classified as?
defective or non-defective are this type of plan.
Note: A variables plan takes a measurement of each sample, and statistics (average, standard deviation, range) are calculated and compared with the acceptance limit of the plan, indicating whether the process is in or out of control. Attribute plans are often used for lot-by-lot production, and variables plans for continuous process production. Chapters 2 and 3 describe ways of collecting and analyzing variables and attribute data.
Facilitation of the design and construction phases, and third-party independent review from phase to phase, add value to the process and the building performance outcome. These activities are performed by a CxP who is an experienced professional using industry "________________ & _____________ ".
“standards of care” and accepted best practices describes this person's position. The title is ____.
The Commissioning Process streamlines and accelerates the project workflow from start to finish. Scheduling and meeting milestones are enhanced by monitoring and intervention/facilitation by the CxP, for example: _______ are performed as an integral part of the process and documented before any performance testing is started.
Start-ups are performed as an integral part of the process and documented before any ___________ is started.
The Construction Team, vendors, and product manufacturers realize the benefit of concentrating on products and activities that meet the OPR as a guideline, forefront in everyone’s mind, which can reduce ____________ & __________
value engineering assists the owner in determining what recommendations will be implemented based on their cost-effectiveness and the funding available. Source: ASHRAE-D-90288 BCXP STUDY GUIDE project tasks domain 1, tasks E-1.
This team concentrates on OPR conformity and thus reduces the product substitutions &value engineering.
source: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide PROJECT TEAM (PLANNING, DESIGN, CONSTRUCTION) pg. 18 of 124
Who(m) benefits from proper equipment start-ups, performance testing, and operation/
maintenance training to verify compliance with contract documents, which accelerates the successful project turnover process.
B) Vendors and material providers benefit from this
Operation and maintenance (O&M) staff are provided with ____________ & ___________ that allow seamless transfer of knowledge and understanding of the building’s equipment and systems.
comprehensive Systems Manuals and O&M documentation is provided to the _______________staff.
The purpose of the facility, commissioning activities
to be performed, and operator's capabilities are some of the many items that must be included in the _________
The _______ is an objective and independent advocate for the Owner. The ______ should work directly for the Owner, keeping the Owner’s objectives and best interests as the top priority.
The CxP provides peer review and ensures that the OPR is being met by all parties involved in the project. The CxP’s function is to facilitate the process, ensure that all parties provide good communication, demonstrate good judgment and professionalism, resolve issues as a team approach, and document performance.
False
This person/ position does not provide peer review.
Situations may arise during decision-making points in the
Commissioning Process that require the CxP to address difficult decisions, deliberations, and/or conversations; these should be handled with the utmost professionalism and ethics. Because the CxP facilitates constructive input for the resolution of system problems and deficiencies, diplomacy and consensus building during these discussions are critical. However, this role does not give the CxP anyrights or responsibilities to overrule and/or perform the specific workof the project’s professional teams.
The CxP must also know how to interview building staff on their knowledge of the systems they maintain to determine the appropriate level of training once the project is complete. ___________& _________ the building staff during the turnover phase combines the CxP’s technical skills with communication skills that are critical to the long-term success of the building.
Training and mentoring the building staff during this phase is critical to the long-term success of the building. '
The objectives of the _________________ are to establish the CFR or ensure that an existing CFR includes all necessary information, to assess the facility’s suitability for an EBCx Plan, and to develop a course of action to execute the EBCx Plan.
During the development of a commissioning process for existing HVAC&R systems, it is MOST appropriate for the owner to review and comment on the deliverable during this phase. Source: ASHRAE-D-90288 BCXP STUDY GUIDE DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS number 11
Assessment Phase in this allows the team to develop the course of action to execute the ___________, and to assess it's suitability.
source: 4.6.2 ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems
It is likely that all Assessment Phase deliverables
would be combined into a single brief report. The Assessment and Investigation Phasemay be combined if desired by the Owner as long as what happens?
The Investigation Phase may be documented in memorandum form rather than a formal plan and report.
These may be combined if theCFRare well understood early in the process.
ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems part 4.8
Which comes first? The assessment or the investigation phase? Is this done in new construction?
The _assessment phase comes prior to the investigation phase. The purpose of the assessment phase is to gain enough of an understanding about the individual facility to develop an initial scope, schedule, budget, and general approach for the Investigation Phase as well as an estimate of potential opportunities to improve the facility.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems 6. ASSESSMENT 6.1 Introduction 6.1.1
During the development of a commissioning process for existing HVAC&R systems, it is MOST appropriate for the owner to review and comment on the deliverable during the?
B) it is most appropriate for the owner to review and comment on the development of Cx process during the assessment phase for this type of project.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS #11
The project team is evaluating whether to remove a heat recovery system from the approved design due to cost. Which of the following documents should the commissioning provider review FIRST before making a recommendation?
D) key owner requirements should be reviewed prior to evaluating whether to remove a heat recovery system from the approved design due to cost.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS 13
During the design phase, which of the following documents provides the MOST precise information about design criteria?
C) BOD provides the MOST precise information about design criteria during the DESIGN phase.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE DOMAIN 1: MANAGING COMMISSIONING PROJECTS PRACTICE EXAM QUESTIONS 14.
What is the difference between the OPR (owner's project requirement) and the BOD (basis of design)?
Basis of Design (BoD):a document that records the concepts, calculations, decisions, and product selections used to meet the OPR and to satisfy applicable regulatory requirements, standards, and guidelines. The document includes both narrative descriptions and lists of individual items that support the design process.
Owner’s Project Requirements (OPR): a document that
details the requirements of a project and the expectations of
how it will be used and operated, including project goals,
measurable performance criteria, cost considerations, benchmarks, success criteria, training requirements, documentation requirements, and supporting information.
ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process definitions.
define OCx ? Is this always scheduled?
XXX Process Activities occur throughout the life of the facility; some of these will be close to continuous in implementation and others will be either scheduled or unscheduled (as needed).
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 3. definitions
The owner/design team leads the _________ meeting.
not EBCx
C) pre-bid meeting is led by the ________/______ team. Where the Cx Plan is presented.
The CxP... conducts the commissioning scoping meeting and other meetings, ² 4. Attend commissioning meetings as appropriate in the construction phase. Conduct the initial scoping meeting and other commissioning meetings. Not the owner / design team however
Source¹: ASHRAE-D-90288 BCXP STUDY GUIDE domain 1 #16.
During the development of a commissioning process for existing HVAC&R systems, it is MOST appropriate for the owner to review and comment on the deliverable during the?
During existing building commissioning, the investigation planning meeting should review investigation phase tasks, discuss measurement and verification (M&V) requirements, discuss training, and update During the design phase, which of the following documents provides the MOST precise information about design criteria?
During EBcX, the investigation planning meeting should review investigation phase tasks, discuss measurement and verification (M&V) requirements, discuss training, and update?
A data center is planning a new co-location space that will be powered by existing infrastructure. What step in the commissioning process is ESSENTIAL to integrating the area into the existing site?
B) Meet with operations to develop a method of procedure (MOP) for integration to minimize risk to site reliability.
The foundation and goal of any project is to meet the?
OPR is the foundation and goal of this. As per the steakholder's guide, test procedures and recridings verify the achievement of the OPR is checked and the conformance to the BOD.
The commissioning specifications should include
project team member roles and responsibilities in
implementing the __commissioning specifications______ over the course of the project.
When planning site visits, the commissioning provider
should review the ____________ to identify the
systems and assemblies that can be verified.¹
Its a mixed bag. The study guide says schedule but the guidelines say checklists. Checklists should be the most correct.
¹construction schedule identifies the systems and assemblies that can be _____. However: a. Identify the current state of construction to define the scope of systems and assemblies that can be verified. The construction checklists completed since the previous site visit provide one way to define this scope.
Source²: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf 7.2.12 Accomplish Periodic Site Visits to Verify Compliance with the OPR 7.2.12.3
There are three primary areas relating to HVAC&R systems where quality-based sampling is utilized for the ongoing verification of achieving the OPR. These are:
• submittal reviews,
• site visits
• final commissioning process testing.
Are used to verify achievement to this.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf introduction
_________ allows for unbiased evaluation of OPR achievement at anytime during construction.¹
Quality-based sampling does this at any time during this.
Source¹: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf INFORMATIVE ANNEX N—
QUALITY-BASED SAMPLING EXAMPLES pg. 114 site visits.
The random sampling rate of say more than 100 checklists per the guideline 0 CX process is 100%. What is the random sampling rate of HVAC&Rfor the first construction checklistis what?
This checklists in HVAC&R requires a 100% sampling rate for first of kind.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf INFORMATIVE ANNEX N—
QUALITY-BASED SAMPLING EXAMPLES - Site Visits.
The sampling rate to be utilized during a particular site visit varies depending upon the factors in the table below (INFORMATIVE ANNEX_QUALITY-BASED SAMPLING EXAMPLES). The table provides general guidance for HVAC&R components. This may not apply to assemblies and systems that support the HVAC&R systems, if they are not __________.
This may not apply to assemblies and systems that support this system if they are not part of the commissioning process scope.¹ For example, if the envelope is not included in the scope of the commissioning process for a specific building, there will not be any checklists for the envelope components and this will be included in the site visits as an item to be checked to evaluate the quality of the envelope as it impacts the performance of the HVAC&R systems.
Source¹: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf INFORMATIVE ANNEX N—
QUALITY-BASED SAMPLING EXAMPLES-Site Visits.
The format of the issues log should be included in the ______ and supplemented in the commissioning plan.
A systems manual is updated only at the end of the project and typically not again.
False
The Systems Manual is used in the initial and subsequent training of the building operations staff and occupants. The Systems Manual is updated throughout the life of the building.
Source: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf 2.1 THE COMMISSIONING PROCESS FOR NEW CONSTRUCTION 11. Systems Manual
At the completion of the project, the final commissioning report is assembled and provided to the Owner and others as required by the?
OPR and local jurisdiction requirements dictates the requirements of this.
Source: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf 2.1 THE COMMISSIONING PROCESS FOR NEW CONSTRUCTION 14 Cx report.
The commissioning report should contain a copy of the
___________, typically in the appendices. The appendices are listed and typically attached to the report and provide "additional information".
Soure²: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf 2.1 THE COMMISSIONING PROCESS FOR NEW CONSTRUCTION 9. Functional and Performance Testing ³10. Issues and Resolution Log.
The assessment phase of the existing building commissioning process includes creating the________________________ and an existing building commissioning plan.
CFR current facilities requirements comprise this EBcX phase.
The Systems Manual will include a detailed table of contents with a notation as to
resource storage location if not in the actual manual.
True
Source: Guideline 0 appendix O.
The systems manual will have what entered into the manual regarding what?
The ______ will have Approved submittals (not included in specific system sections). This section includes a copy of the approved submittals (not included under specific systems)
with all field modifications and accessories clearly marked. In addition, the comments from original submittals shall be included.
During construction (occupancy phase), _________ is responsible for facilitating execution of the Cx Plan, including supporting the kickoff and other coordination meetings. They support the _______________, when there is pushback.
the Owner is responsible for facilitating execution of the ________.
CxP’s request for specified subcontractors to be in attendance
The OPR for a medical lab project has strict requirements for duct tightness. To verify the OPR is met, which check is BEST to include in the duct construction checklist? All ductwork meets
A) the leakage acceptance criteria and the duct air leakage test report have been submitted to the commissioning provider.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
Which documents would be MOST useful in writing a functional
performance test for an air handling unit (AHU)?
D) approved AHU and controls submittals, AHU O&M manual, and OPR.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
The following activities describe what?
• Review system warranties.
• Schedule a site visit.
• Meet with owner’s operation and maintenance personnel.
• Document the issues.
• Provide recommendations to the owner and contractor.
• Include results in the final commissioning process report.
These are all warranty review steps.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf pg. 28 of 150
When writing functional performance tests, integrated systems should be considered and procedures written to verify interactions between the systems. Which systems are the MOST likely to require intersystem test
procedures?
integrated systems imply a life safety system is involved.
C) HVAC and fire alarm systems
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
Construction checklists consist of how many types?
These are two types of this?
a. Component/Equipment These _____ _____ are used for components and pieces of equipment that are delivered, installed, and started up during construction. There is an individual checklist for each individual component or piece of equipment.
b. System/Assembly Based. These construction checklists are used for systems and assemblies where separate checklists can-not be applied to subcomponents of the system or assembly. There is a single checklist for the entire system
ASHRAE CX GUIDELINE 0, INFORMATIVE APPENDIX M CONSTRUCTION CHECKLISTS M1. OVERVIEW
The OPR and the Cx Plan are formally accepted by the Owner during the _________ Phase.
These two documents are accepted by the owner in the pre-design phase.
In addition to the three distinct reviews on a drawings set during the _____ phase(s), what else must be examined? What must be defined in the OPR regarding this?
Design and construction phase...The focus of the Cx Design Review must be defined in the OPR. The Cx Plan can also add requirements and information to the Cx Design Review process and procedures. Other common expectations of a Cx Design Review can include the following:
1. Evaluation of continuity of commissioned systems (e.g., air/water/thermal barriers with the building enclosure assemblies, air distribution and return air paths, infrastructure in support of commissioned systems).
2. All information is legible (not hidden by crossing lines or text).
3. Contract documents incorporate the OPR goals and objectives as stipulated by the Owner for systems and assemblies contained in the Cx scope.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf INFORMATIVE APPENDIX H
ACCEPTANCE PLAN H1, H2.
Whereas the design professional reviews ________% submittals against the contract documents (specifications), the _____ compares a sample (typically 5% to 10%) of a submittal
against the OPR and BoD. This different approach is
due to the fact that the Cx role is to verify achievement of the
OPR using quality tools.
Design professionals review this % of submittals and...
a review of the specifications is also required. The focus of the Cx Design Review must be defined in the ________. The ________ can also add requirements and information to the Cx Design Review process and procedures.
OPR.
Cx plan.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf H1. DESIGN SUBMISSIONS
There are three distinct reviews that are completed on a drawing set?
A review of the specifications is also required. The focus of the Cx Design Review must be defined in the OPR. The Cx Plan can also add requirements and information to the Cx Design Review process and procedures.
The three distinct reviewsof the drawing sets is general, coordination, and field specific. The general is reviewing the drawings to what?
This one of 3 drawing reviews is checking for review of the OPR. Because the drawing review is to verify that the OPR is met, prior to the review the OPR should be reviewed to familiarize the reviewer with the key criteria of the facility.
Which guideline appendix in the ASHRAE guideline 0 Cx covers the design phase review of drawings?
N1. DESIGN PHASE SUBMISSIONS covers this review during the design phase.
During a site visit to a central utility plant project, the service clearance around a water-cooled chiller was observed to be less than the clearance shown in the construction documents and OPR. Although the observed clearances meet the manufacturer's recommendations, the OPR requires
additional clearance for fork-lift access. What recommendation is MOST appropriate for the issues log?
D) Recommend on-site meeting with commissioning team to discuss appropriate corrective action.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
According to Guideline 0, commissioning meeting minutes should be distributed
C) within 3 days
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
The CxP will be notified of the scheduled training time
and provided with a copy of the training material ________days prior to each training session.
B) The CxP will be notified of the scheduled training time and provided with a copy of the training material ____15____days prior to each__________.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf P1. TRAINING SYLLABUS P.1.2 training sessions.
How much of the training session is to be attended by the CxP?
A) 25% of the training session are to be attended by the CxP
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf P1. TRAINING SYLLABUS P.1.2 training sessions.
How many days are training sessions as a guideline per ASHRAE BCxP? And where are they conducted?
____________will be a minimum duration of two days for the basics in each system and be conducted as specified below. The sessions will be conducted at the site.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf P1. TRAINING SYLLABUS P.1.2 training sessions.
The OPR is checked to the BOD in the Design review by the Cx?
True
The OPR is adequately met by the BOD.
On a new building construction project, the commissioning provider is developing the commissioning plan and preparing detailed checklists. Where is the MOST appropriate place to identify the specific equipment to be included for commissioning in each system?
consider which drawings would be marked up
A) shop drawings
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
Which of the following TYPICALLY are included in the OPR: project schedule and budget, energy efficiency goals, and
A) occupancy requirements and schedules.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
Which of the following documents is the commissioning provider responsible for including in the systems manual?
A) the OPR and the BOD
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
What document also includes Owner directives including space usage and occupancy/operations schedules and special project requirements.
This document is typically written by the design professionals during the Design Phase and is updated by them to include any changes during the Construction Phase.
Written by design professionals in this phase and updated to include any changes in the construction phase. The Systems Manual Basis of Design (xxx System/Assembly level).
Source:ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf INFORMATIVE APPENDIX O
SYSTEMS MANUAL B-3
According to Standard 202, which part of the commissioning process progress report typically appears immediately AFTER the table of contents?
A) the executive summary
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS #10
The term project intent or design intent is used by some Owners and architects as interchangeable to what?
Commissioning Process OPR [ASHRAE 2013a] is also know as this type of intent?
The systems coordination plan is provided by what entity? What about the systems manual?
The contractor provides both of these as per Table 3.1 Commissioning Documents (Continued) in both ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf pg. 34 of 124 and also in guideline 202 new building Cx.
A chiller system is being installed in a new facility. Which of the following documents would be the BEST for the commissioning provider to review in order to verify that the system is ready for FPT?
B) construction checklists
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
What sampling rate should be used for the verification of construction checklists by percentage? Assuming you have more than 100 checklists on most projects.
Please note that this is not meant to be used directly for your project due to the many variables in determining acceptable sample rates and Owner input. Source 2.
between 2 and 10% should focus on the verification of these, but only if over 100 checklists. for example 2-10 checklists would be 100%.¹
ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf DOMAIN 3: CONDUCTING COMMISSIONING ACTIVITIES PRACTICE EXAM QUESTIONS.
source² (hint): ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf N3. CONSTRUCTION PHASE TESTS AND VERIFICATIONS
Note that the _______________ does affect the HVAC&R systems due to the relationship of ductwork size to supply air temperature and due to the options for placement of HVAC&R components.
building height restriction affects this.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf General Project Description (note)
The TAB contractor performs a water flow rate measurement on a chilled water system using an ultrasonic flowmeter. The commissioning provider discovers that the measurement is more than 10 percent different than the reading observed on the permanent flowmeter installed on the same chilled water system. In order to confirm that the reading from the TAB
measurement is accurate, the commissioning provider should request that the TAB contractor
C) measure the pressure drop across the chilled water pump at the design speed and use the pump curve.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf DOMAIN 3: CONDUCTING COMMISSIONING ACTIVITIES PRACTICE EXAM QUESTIONS
The commissioning process for each activity and deliverable
requirements shall include an acceptance step as defined in the
A) OPR and commissioning plan.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf DOMAIN 3: CONDUCTING COMMISSIONING ACTIVITIES PRACTICE EXAM QUESTIONS
Who is responsible under Construction phase activities to inform the CxP team of decisions that result in modifications of the OPR?
All CxP Team members are responsible for keeping the
CxP Team informed of decisions that result in modifications to this paramount document.
7.2.1 Construction Phase Cx Responsibilities part X.
The expected budgetary restrictions and considerations are contained in this section of this document?
Budget Considerations and Limitations are part of the OPR.
Source: ANSI/ASHRAE/IES Standard 202-2018
(Supersedes ANSI/ASHRAE/IES Standard 202-2013) D3. OPR DOCUMENT pg. 22
This information is critical to understand and document the trade-offs made over time and the resulting impact on the project. Found where? Includes a summary of the changes made throughout the predesign, design, construction, and occupancy and operations activities
Regarding the OPR Version History. Includes a summary of?
Source: ANSI/ASHRAE/IES Standard 202-2018
(Supersedes ANSI/ASHRAE/IES Standard 202-2013) Pg. 22 part D3. OPR DOCUMENT
Completed test reports shall be submitted to who(m) for review? And who(m) for evaluation?
This shall be submitted to the Project Team for review and to the CxP for evaluation.
Source: ANSI/ASHRAE/IES Standard 202-2018
(Supersedes ANSI/ASHRAE/IES Standard 202-2013) pg. 8 part 12.2.6 Executing Test Procedures
Who is responsible for furnishing documents such as: all construction documents, addenda, requests for information, change orders, and approved submittals and shop drawings and at what point in the build?
The owner shall Furnish a copy of all construction documents, addenda, requests for information, change orders, and approved submittals and shop drawings related to COMMISSIONED equipment.
A thermal wire is used in a control panel in a load bank to control heaters and no wiring diagram exists. how would you test the following to trigger a heater to operate in warm weather?
The heater will work if the alloy in the two wire thermistor raises resistance. So to remove it would trigger them on.
There are 4 steps in developing the CFR. What are they?
There are four steps in developing this:
a. Conduct the CFR workshop.
b. Document the CFR (report).
c. Obtain project team agreement and approval of the CFR
report.
d. Incorporate the CFR into the commissioning or implementation plan.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf INFORMATIVE ANNEX I CURRENT FACILITY REQUIREMENTSWORKSHOP
The workshop uses the Nominal Group Technique (NGT)
to effectively determine the facility’s needs to meet the functional and productivity requirements, as well as to determine the related Owner’s needs for improved sustainability, reduced energy costs, and achieving environmental or carbon goals.
This is defined as a structured method for group brainstorming that encourages contributions from everyone and facilitates quick agreement on the relative importance of issues, problems, or solutions. Team members begin by writing down their ideas, then selecting which idea they feel is best. Once team members are ready, everyone presents their favorite idea, and the suggestions are then discussed and prioritized by the entire group using a point system. NGT combines the importance ratings of individual group members into the final weighted priorities of the group.
What is the CFR (current facilities requirements) workshop uses this technique preferably but does not have to.
ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf INFORMATIVE ANNEX I
CURRENT FACILITY REQUIREMENTSWORKSHOP.
The phases of the process specifically used to identify parameters affecting the cost in EBCx are the....?
Multiple-Facility Planning Phase (where applicable) and the Assessment Phase are used to identify parameters affecting this.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R 4. PROCESS OVERVIEW 4.2.2
INFORMATIVE APPENDIX B QUALITY-BASED SAMPLING PROCESS ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf This appendix describes the use of sampling in three process
steps typically included in Cx?
a. Design review
b. Submittal review
c. Construction review
Uses this technique for checking quality.
Source: INFORMATIVE APPENDIX B QUALITY-BASED SAMPLING PROCESS ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf B1. USE OF SAMPLING
A 400% review is implemented. How many reviewers are there and what type of equipment?
For sampling rates greater than 100% (e.g., extremely critical laboratory equipment that results in loss of life if it fails), the approach is that two independent reviewers using different
instrumentation accomplish their evaluation following the documented test procedures. Therefore, if a _______% review is warranted, then there would be four independent reviewers.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf Table B-1 Sample Rate Determination—Submittals note 1
Because the finalCx tests to verify OPR achievement, it should focus on ________________, and ________________which will greatly impact the sampling rate required to determine OPR achievement.
These would focus on specific OPR criteria, and the skills of the CxP in developing appropriate, tailored tests will greatly impact this to determine OPR achievement.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf Table B-1 Sample Rate Determination—Submittals note 3.
The sampling rate for one component is what?
100% is the sampling rate for this number of components.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf Table B-2 Sample Rate Determination—Construction Verification number of components.
The sampling rate may be increased for submittal review based on 3 factors... what are they?
Complexity, Criticality, & Length all affect this rate in this type of review. As these 3 factors increase so does the rate.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf Table B-1 Sample Rate Determination—Submittals
During the ______________ Phase, the Owner decides which Investigation Report recommendations to implement. The selected recommendations are implemented and evaluated to verify that they achieve the expected benefits and satisfy the Current Facility Requirements (CFR).
The phases of the process specifically used to identify parameters affect-ing the cost are the Multiple-Facility Planning Phase (where applicable) and the Assessment Phase.
Implementation phase. To see if they satisfy this document.
The foundation and goal of any project is to meet the ____. Your role assisting with the development of the ___will form the basis for preparing each commissioning document moving forward.
What is the OPR that is the basis for preparing each of these.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf SECTION 2.1: DOMAIN 2, PREPARING COMMISSIONING DOCUMENTATION; TASKS A-E Overview for Domain 2
Which of the following commissioning activities occurs ONLY during the construction phase?
B) key system and assembly completion and tests
ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 47 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
During a site visit to a central utility plant project, the service clearance around a water-cooled chiller was observed to be less than the clearance shown in the construction documents and OPR. Although the observed clearances meet the manufacturer's recommendations, the OPR requires additional clearance for fork-lift access. What recommendation is MOST appropriate for the issues log?
preserving vendor relationships is a cardinal standard.
A) Recommend on-site meeting with commissioning team to discuss appropriate corrective action
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 43 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
According to Guideline 0, commissioning meeting minutes should be distributed within how may days?
3 days is the allowable time for these meeting minutes to be distributed.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 43 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
A small office building has the following equipment:
− VAV air handling unit
− VAV terminal units
− heating water pump
− condensing boiler
− mini-split heat pump units.
Due to the small project size, sampling is not desired. What equipment should be tested as a system? Condensing boiler and heating water pump, and
A) VAV air handling unit and VAV terminal units
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 43 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
The following contents describe what document? TABLE OF CONTENTS
1. Executive Summary
2. Cx Description and Plans. [Insert the final Cx Plan.]
3. Cx Design Summary and Design and Submittal Review Reports. [Insert a copy of the Cx design and submittal reports.]
4. Testing Reports
5. Cx Progress Reports.
6. Issues and Resolution Logs.
7. Resolution Plan for Open Items.
COMMISSIONING PROCESS PROGRESS REPORT contains these.
Source: ASHRAE-D-86622.pdf Commissioning Process for Buidlings and Systems.pdf pg. 48 of 54.
According to Standard 202, which part of the commissioning process progress report typically appears immediately AFTER the table of contents?
Executive Summary appears immediately AFTERthis.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 44 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
During seasonal testing, the commissioning provider observes a change in the sequence of operation initiated by O&M staff. Following EOR and owner approval, the commissioning provider should update the?
This resource shall include the final OPR, BoD, the final Cx Plan, Cx Report, manufac-turer installation manuals, manufacturer O&M manuals, sys-tem schematics, verified record drawings, and test results. Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf pg. 56 of 66
D) Following ____ and __________ approval, the CxP should update the Systems Manual.¹
Note: the reason the SOO is not updated is because 8.1.3 Occupancy and Operations Phase Cx objectives include the following: c. Completing seasonal testing of facility systems and assemblies.²
Source¹: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 44 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
Which of the following documents is the commissioning provider responsible for including in the systems manual?
C) executed pre-functional checklists
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 44 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
...They have the highest replacement frequency of building systems and assemblies?¹
HVAC&R systems, thus the life-cylce cost optimization is a design phase objective.
source¹ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf 6.1.2 part b(2).
In which phase is this accomplished?
Verify that sequence of operations and sequence of control are clear and well documented¹.
The design phase is when this is accomplished. It regards operations.
Source¹: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf part 6.1.2
On a new building construction project, the commissioning provider is developing the commissioning plan and preparing detailed checklists. Where is the MOST appropriate place to identify the specific equipment to be included for commissioning in each system?
D) BOD
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 45 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
chiller system is being installed in a new facility. Which of the following documents would be the BEST for the commissioning provider to review in order to verify that the system is ready for FPT?
B) construction checklists
Source: ASHRAE-D-90288 BCXP STUDY GUIDE BOWENS PREP.pdf pg. 46 of 135 DOMAIN 2: PREPARING COMMISSIONING DOCUMENTATION PRACTICE EXAM QUESTIONS
The overall objective of the _________ is to ensure
that the benefits obtained from the EBCx Plan and any other
building improvements are sustained over time and improved
if possible.
The overall objective of the OCx Program is this.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf part 4.6.6
The VAV box regulates the flow (CFM) to a zone in relationship to the demand of the
temperature sensor in the space regulates CFM for a zone regarding this type of equipment.
Variable air volume is less energy efficient than constant volume flow?
False
because of the reduction in fan motor energy due to reducing fan speed (RPM) at partial load. As the cooling or heating demand is reduced because of a mild temperature day, the VAV Air Handler system can reduce the amount of air flow (CFM) by reducing the fan speed.
As the VAV boxes open or close due to demand called for by the temperature sensor in the space, the pressure in the main supply air duct will either increase or decrease. This pressure change is picked up by a ______ located where?
static pressure sensor in the main supply air duct controls these unit types and the temperature sensor opens or closes these. Unlike Pressure.
As the pressure increases in the main supply duct because the VAV boxes are closing their dampers and are adjusting their dampers towards the minimum open setting, the air handler supply fan ________slows down the fan.
VFD does this with increased pressure in the main supply duct and so the ________ supply fan slows down the fan.
The mechanical contractor receives the RTUs, exhaust fans, and makeup air units for the project and due to storage limitations on the site, immediately installs the equipment on the roof curbs, but makes no piping or duct connections. Which TWO sections of the construction checklist is
the contractor responsible for completing: equipment/assembly verification and
C) preinstallation checks.
ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 54
The commissioning process for each activity and deliverable requirements shall include an acceptance step as defined in the
ASHRAE Guideline 0-2019 (Supersedes ASHRAE Guideline 0-2013)5.2.2.8 This OPR is issued for information only and that this document shall not define, nor shall it be used to interpret, the requirements of the contract.
D) OPR and commissioning plan.
ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 54
A pump curve chart gives you the information you need to determine a?
pump's ability to produce flow under the conditions that affect pump performance at design speed (RPM).
The TAB contractor performs a water flow rate measurement on a chilled water system using an ultrasonic flowmeter. The commissioning provider discovers that the measurement is more than 10 percent different than the reading observed on the permanent flowmeter installed on the same chilled water system. In order to confirm that the reading from the TAB measurement is accurate, the commissioning provider should request that the TAB contractor?
D) measure the pressure drop across the chilled water pump at the design speed and use the pump curve.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 54 of 135 question 8
What determines the acceptance deliverables?
The process for each activity and deliverable should include an acceptance step as defined in the OPR and Cx Plan. This step formalizes the acceptance of the commissioning deliverable by the Owner or client.
Source: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf 2.2 NEW CONSTRUCTION COMMISSIONING PROCESS ACTIVITIES AND DELIVERABLES
The acceptance phase formalizes the acceptance of the commissioning deliverable by the?
Commissioning Provider (CxP): An entity, identified by the Owner, who leads, plans, schedules, and coor-dinates the Commissioning Team to implement the Commissioning Process
The owner (not necessarily the CxP unless designated by the owner) performs acceptance of the commissioning deliverable from the CxP during this phase. ²The process for each activity and deliverable should include an acceptance step as defined in the OPR and Cx Plan. This step formalizes the acceptance of the commissioning deliverable by the Owner or client.
Source¹: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 54
Source²: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf 2.2 NEW CONSTRUCTION COMMISSIONING PROCESS ACTIVITIES AND DELIVERABLES
During the Construction Phase of the project delivery process, systems and assemblies are installed, inspected, tested, and placed into service to achieve the BOD?
Steak holders guide: B.4 BASIS OF DESIGN (BoD) The BoD needs to be developed by the Design Team in accordance with the OPR. The BoD should be updated and expanded during design and construction as the project evolves
What are the following 3 criteria in regards to?
• describe in detail the Design Team’s technical approach to each of the Owner’s requirements,
• provide a platform for the review of the design and changes as the project progresses, and
• coordinate applicable technical and code requirements.
These 3 criteria are the BOD (basis of design) requirements.
This is used to quantify the benefits of an EBCx project.¹
What is the objective of the M&V report (measurement and verification) as per EBCx.
Note: if specific performance requirements are required, the material in the ongoing commissioning report should be consistent with the requirements of the M&V plan.²
Source¹: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf INFORMATIVE ANNEX L4
Source²: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 95 of 135
As part of an Ongoing Commissioning (OCx) Plan that includes measurements of important parameters, when routine measurements indicate that performance is drifting away from the established benchmarks, corrective activities can be scheduled. This ensures that the desirable benefits are proactively maintained into the future. This describes what?
This statement describes the purpose of the M&V (measurement & verification) plan.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf PERSISTENCE OF FACILITY MODIFICATIONS pg. 40 of 48.
design checklist/ checklist: a form developed by the CxP team to verify that elements of the design are in compliance with the OPR.
True
a form developed by the CxP Teamto verify that elements of the design are in compliance with the OPR.
The issues and resolution log: a formal and ongoing record of problems or concerns and their resolution that have been compiled by members of the CxPduring the course of the Cx.
False
a formal and ongoing record of problems or concerns and their resolution that have been compiled by members of the CxP Team during the course of the Cx.
The CxP must submit a design review (Cx design review report) to the Owner and Design Team for compliance
with the OPR. This commissioning design review must not be considered a ______________________________ due to issues of legal risk. CxPs are not necessarily licensed design professionals.
This must not be considered a design peer review or a code or regulatory review unless specified and agreed in the contract.
A __________________ needs to be provided before building operations training for use in the training process. At least one copy of the ________________ should be in the possession of the Owner, and at least one additional copy should remain with the building throughout the life of the facility. This also includes the OPR, BOD, and final CX report.
What is the systems manual, and it must be provided prior to this activity commencing.
During the Construction Phase of the project delivery process, systems and assemblies are installed, inspected, tested, and placed into service to meet the BOD. This phase may also include bidding, negotiation, and contra
False
What is the OPR. During the Construction Phase of the project delivery process, systems and assemblies are installed, inspected, tested, and placed into service to meet this document.
Source: ASHRAE Guideline 0-2019
(Supersedes ASHRAE Guideline 0-2013) pg. 13 of 66 part 7. CONSTRUCTION PHASE
7.1 Introduction 7.1.1
Which of the following commissioning objectives is unique to the acceptance of construction phase?
All of these happen during the construction phase but one is unique to the acceptance of it.
C) Develop detailed test procedures.
Source¹: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 55
Source²: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf 7. CONSTRUCTION PHASE 7.1 Introduction 7.1.2 Construction Phase Cx objectives include all of these but only one is unique to it.
7.3.1 The Cx should include the formal acceptance by the
Owner of the Systems Manual, verified test reports, and training reports, consistent with the recommendations of the CxP and appropriate other CxP Team members.
O&M (operations & maintenance) management is preparing a schedule to review the systems manual format. What are the ideal and minimum review periods?
During occupation and operations phase deally, the commission-ing team would accomplish monthly or more frequent site vis-its due to their knowledge of the facility and HVAC&R systems. Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf part 8.2.6.2
B) monthly/annually
Source: not found in ASHRAE publications but is in ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 55
The overall objective of the _____________ Program is to ensure that the benefits obtained from the EBCx Plan and any other building improvements are sustained over time and improved where possible. _______involves performing critical elements of the process repeatedly over a series of cycles with periods typically lasting from months to years
This describes the overall objective of ongoing commissioning (OCx). Recall that this is called persistence.
source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf part 10.1.2 objective
After HVAC system compliance is verified with the OPR and the
contractor submits the final systems manual to obtain the owner’s acceptance, what is the NEXT step?
After the final systems manual is submitted and owner's acceptance is obtained, the first trainingmay commence.
When reviewing the VAV box construction checklists, the commissioning provider notices that the contractor has failed to fill out the equipment/assembly verification section. At what stage of the project is the contractor required to start the equipment/assembly verification section?
A building owner initiates a feasibility study to convert a facility to net zero carbon by 2030 and conducts existing building commissioning. The completed existing building commissioning report is submitted for the owner’s acceptance. Owner acceptance initiates and/or confirms?
D) initiates incorporation of the report into an ongoing commissioning plan.
What is defined as the change in enthalpy associated with a change in humidity ratio, caused by the addition or removal of moisture?
enthalpy is the sum of a thermodynamic system's internal energy and the product of its pressure and volume
This defines latent heat.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 133
What is minimum head at the pump inlet to prevent the liquid being pumped from flashing into a vapor at that temperature and pressure and potentially causing the pump to cavitate. How many types are there and what are they?
Net positive suction head (NPSH). There are 2 types of NPSH values: net positive suction head available (NPSHA) and net positive suction head required (NPSHR). NPSHA should be
greater than NPSHR.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 133
The process of determining the ability of the HVAC system to deliver heating, ventilating, and air-conditioning services in accordance with the final design intent. This is part of what definition?
This is part of the definition of FPT (functional Performance Testing).
ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 133
commonly used to refer to any opening, usually glazed, in a building envelope; windows. Examples include windows, plastic panels, clerestories, skylights, glass doors that are more than one-half glass, and glass block walls. (2) in an external wall of a building, any area that allows light to pass.
What is fenestration.
ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 132
(1) ratio of the rate of net heat output to the total energy input expressed in consistent units and under designated rating conditions, (2) ratio of the refrigerating capacity to the work absorbed by the compressor per unit time.
COP coefficient of performance.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 130
The OPR should include what regarding costs?
Scope and budget should be included in this.
On a periodic basis, at least for each CxP Team meeting, a report shall be generated for review of __________ ______.
A report of the outstanding issues at least for each of these meetings.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf, part 5.2.6.1 2024
It is the primary tool for bench-marking success (in NBCx) and quality at all phases of the project delivery and throughout the life of the facility.
What is the OPR that considers this economic performance criteria.
The scope of servicesin the Owner/Design Professional Service
Agreement should also include the requirement to cooperate with the CxP during which phase of the project?
This is required during the Predesign Phase, Design Phase, and Construction Phase of the project as per the professional service agreement.
A well-defined scope permits the establishment of an appropriate ____ for the comissioning?
Budget allocation for the Cx is established by this.
Source: Guideline 0 pg. 5 part 5.2.3.2
Who(m) shall accept the final issues and resolutions log (IRL)? The CxP? CxA? DC OPS?
The Owner shall review and accept this. Not the CXP, CxA, etc.
Source: ANSI/ASHRAE/IES Standard 202-2018
(Supersedes ANSI/ASHRAE/IES Standard 202-2013) 13.3 Acceptance 13.3.1
What does this define? An entity, identified by the Owner, who leads, plans, schedules, and coordinates the Commissioning Team to implement the Commissioning Process.
Commissioning Provider (CxP) is the definition of this.
ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf pg. 94 of 124.
Who(m) develops the scope for the Cx?
an entity, identified by the Owner, who leads, plans, schedules, and coor-dinates the Commissioning Team to implement the Commissioning Process.
The scope of the Cx will vary from one project to another. The CxP Team develops this for the Cx. Cx Provider (CxP): an entity, identified by the Owner, who leads, plans, schedules, and coordinates the CxP Team to implement the Cx.
Source¹: guideline 0 pg. 5 part 5.2.3 Identify the Scope and Budget for the Cx 5.2.3.1
Source²: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf part 3. definitions.
an entity, identified by the Owner, who leads, plans, schedules, and coordinates the CxP Team to implement the Cx.
Who(m) is the Cx Provider (CxP)
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf part 3 definitions.
____ is issued for information only and that this document shall not define, nor shall it be used to interpret, the requirements of the contract.
What is the OPR (owner's project requirements) and is therefore this is true regarding interpretation or requirements of the contract.
an organized procedure for determining Commissioning (Cx) Process training needs for facility operations and maintenance (O&M) personnel and/or occupants/ users; a written report that details such findings.
What is a needs assessment.
Source: ASHRAE-D-86844 GUIDELINE 1.3-2018 TRAINING FOR THE HVAC&R CX.pdf part 4. definitions.
The development of training in support of the Commissioning (Cx) Process must begin during the ____________ to ensure timely integration with other critical elements of the Cx Process. The design team should be fully aware of its responsibility to incorporate training into the project contract documents prior to signing a contract for professional services.
The pre-design phase is when this should happen regarding one element of the systems manuals.
Source: ASHRAE-D-86844 GUIDELINE 1.3-2018 TRAINING FOR THE HVAC&R CX.pdf part 6. pre-design phase.
In a kickoff meeting, the owner indicates that they have just hired a new O&M manager. Which of the following should the commissioning provider do NEXT?
B) Update the training plan.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 65 of 135
The phases of the process specifically used to identify parameters affecting the cost? In EBCx.
the Multiple-Facility Planning Phase (where applicable) and the Assessment Phase are the two phases that are used to identify this.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf part 4.2.2
What are the assessment phase deliverables in the EBCx?
The deliverables for this phase are as follows in EBCx¹:
6.9.1 Initial or updated CFR.
6.9.2 InitialEBCx Plan.
6.9.3 InitialEBCx Report, including Assessment Report.
6.9.4 Updated EBCx Program Plan (if applicable and affected).
What is used to minimize contractor callbacks in Postoccupancy Commissioning Process (Cx) objectives?
Using the Cx Provider’s (CxP) project knowledge and experience to minimize this.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf INFORMATIVE APPENDIX N (a)
END-OF-WARRANTY COMMISSIONING
In EBCx what is required prior to creating the CFR?
In multiple facilities the multiple facility planning must be completed prior to this phase.
In EBCx prior to creating the ________ the assessment phase is conducted.¹
source¹: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf part 4.2.6
During which season(s) is off season or seasonal testing performed for HVAC&R systems? What does it verify achievement with?
seasonal testing of HVAC&R systems during peak and swing seasons to verify achievement of the OPR.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf 8. OCCUPANCY AND OPERATIONS PHASE 8.1 Introduction. part C.
Considering an existing system. What regards: Establish benchmarking criteria and evaluate building performance.
6.7.1 The purpose of this is to understand enough about the facility to develop an initial scope, schedule, and budget for the EBCx, as well as to identify potential improvements that arise from
Assessment covers this economic performance criteria.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 6.7 Perform Assessment 6.7.1
When developing the CFR and under energy efficiencies, energy goas are set by using benchmarking tools, and it is important to know that if comparing against energy codes or ASHRAE/IES standard 90.1 will require what?
energy modeling will not be comparable to utility bills unless you use Energy Star®
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf6.4 Develop CFR 6.4.4.5 Energy efficiency
that comparing against energy codes or ASHRAE/IES Standard 90.1 will require energy modeling, and results may not be directly comparable to utility bills.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 6.4 Develop CFR 6.4.4.5 d. Energy efficiency.
energy modeling results may not be directly comparable to utility bills. This is in contrast to benchmarking tools such as__________ that use utility bills as the primary input to generate a score.
Energy Star®
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf6.4 Develop CFR 6.4.4.5 Energy efficiency
Energy Quotient Program uses both techniques by scoring buildings on both the as-designed (or asset) rating, which requires _______, and the operational rating, which uses _________.
this is benchmarking
energy modeling
actual utility dataSource: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf6.4 Develop CFR 6.4.4.5 Energy efficiency
The following describes what? Evaluate building performance in accordance with bench-marking methods defined in the CFR documenting stated maintenance and operational issues, for example, identifying filter access issues or broken damper linkage.
Using energy tracking protocols and benchmarking to track the facility’s energy performance over time. The
___________________ is an example of a useful tool for comparing the facility’s performance to prior years and to other similar buildings.
What is Energy Star Portfolio Manager and it can do this.
“any first-cost investment that will provide a simple economic payback in energy and operations cost that is less than _____years should be implemented in the design.” ...describes what?
first cost is the money it takes to start a business.
This describes first-cost economical evaluation as part of energy efficiency goals. Pay back in less than 6 years should be taken on.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf 5.2.2 Owner’s Project Requirements Document. (P)
The _________ is responsible for start-up; testing, adjusting, and balancing (TAB); Systems Manual documentation, and training for all systems and equipment prior to their functional testing or measurement and verification (M&V). The CxP Team must verify through assembled documentation that the contractor personnel are trained and competent to perform these activities.
Who(m) is the contractor that is responsible for this prior to their functional testing or measurement and verification (M&V).
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf M4. CONSTRUCTION PERIOD TRAINING
______ should be continuously evaluated to ensure the CFR is current and system operational needs are met.
What is space function.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 95 of 135
Unacceptable performance values or other significant deviations from the CFR baseline should be recorded
in the ____________.
This should be recorded in the M&V plan. Measurements and Verifications. This obviously would regard EBCx since a CFR is involved.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 95 of 135
Energy Efficiency – ongoing commissioning of the systems is intended to reduce energy by _____% each year for the first five years of operation.
what is 5% each year for the first five years of operation.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf Performance Criteria part 13. Energy efficiency (d) pg. 42 of 150.
If specific performance requirements are required, the material in the ongoing commissioning report should be consistent with the requirements of the __________.
What is supposed to be consistent with the M&V (measurement & verification) plan if there are specific _____________.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 95 of 135
Some spaces may require HVAC&R design conditions different than existing due to use changes. For example, “Two offices were merged to form a conference room that will require additional ventilation to meet ASHRAE Standard 62.1 requirements.” Any short-term space use changes should also be identified. This would be located where?
For example, “Within the next six months, we will require an IT room on the first floor.” This space use change may necessitate adjustments to the existing HVAC&R systems or to provisions for new systems.
What is functional use as defined under developing a CFR and facility requirements.
The CFR should define the level of redundancy that is required (such as N+1 or 2N) per equipment and system type and the number of systems that are provided with either generator or UPS power, and
identify in some detail the anticipated failure scenarios and expected systems response. Where is this located and what is it called?
Reliability and availability is a section of the CFR.
The verification of HVAC&R systems’ performance generally consists of four types of investigations:
1. analysis of existing data;
2. spot measurements;
3. short-term performance monitoring; and
4. longer-term performance testing, such as seasonal testing.
are all part of this.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 7.6 Perform Site Investigation and Testing 7.6.1
It is generally not feasible to investigate all components of the entire HVAC&R system; some form of sampling is often required.
When performing such sampling, the number of measurements required will be dictated in many cases by the variability of the results obtained or the variability of systems encountered, with more measurements being required for systems with largely variable results
True
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 7.6 Perform Site Investigation and Testing
7.6.1
During HVAC&R testing and in EBCx. Regarding energy use which system should be part of the site investigation and testing? If energy is the focus?
If energy is the focus, the systems that use the most energy should always be part of the testing.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 7.6 Perform Site Investigation and Testing 7.6.1
There are two elements of physical site investigation: _____&_____. Conduct the investigation with these in mind, and avoid wasting time on equipment and systems that are scheduled for replacement in the near future.
condition evaluation and performance evaluation are part of this.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 7.6.5
During the assessment of an existing building, the team performing the
inspection notices that an air handling unit with direct digital controls (DDCs) repeatedly cycles on and off. Which of the following should the team review FIRST in order to diagnose the air handling unit’s issues?¹
C) BAS graphics and control sequence
Note: When using direct-digital controls (DDC) or other data trends to detect issues, calibration must always be checked to ensure one is seeing the correct information for analysis¹.
Source²: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg.83 of 85
When conducting an investigation an an existing facility the Cx agent notices that the ΔT is low across the chiller and is suspect. What may be wrong?¹
Sensor location verification is important to proper analysis during this phase of EBCx.
Source¹: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 7.6.7.1 Analysis of Existing Data 7.6.7.1.1
7.6.7.2.3 Similarly, whenever conducting spot measurements
of ___________, the following variables should be monitored:
a. Indoor air temperature and set point
b. Indoor air humidity and set point (if any)
c. Outdoor-air temperature
d. Outdoor-air humidity (cooling season)
e. Supply-grille temperatures, humidity, and airflows
f. Air quality conditions/contaminants, such as particulates
and CO2 (See Table 7-1 for other air quality conditions)
g. Sound and vibration
h. Lighting levels and color temperature
i. Ventilation rates
What is called the IEQ within a space. This is a short list of the spot measurements.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 7.6.7.2.3
During the investigation of an existing building the owner asks the CX for outdoor-air humidity measurements as part of the spot measurements in the winter for IEQ (indoor environmental quality). Is this correct?
No. This is not correct as spot measurements of the outdoor-air humidity is conducted only during cooling seasons as per ASHRAE.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 7.6.7.2.3
17. After reviewing a list of proposed improvements to an existing building, the facility management team determines that a building management system is the most preferred option to automate and control the operation of all the AHUs. Which of the following actions is most appropriate for the commissioning provider to take NEXT?
D) Calculate the benefits of the measure.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 88 of 135
During a scope development meeting for a system upgrade, HVAC technicians request additional training. Which of the following is the
commissioning provider’s BEST course of action?
A) Ensure adequate training in project specifications.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 88 of 135
What regards intersystem testing. If the components in the related systems are included in the commissioning process, then what¹ can be used to verify the intersystem tests.
Checklists¹ can be used to verify if the related systems are inclusive. These types of checks include²:
1. Fire alarm
2. Security and card access
3. Lighting control
4. Automated plumbing
5. Renewable energy generation
Source¹: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf 7.2.9.3 (d)
Source²: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 8.6.3.3 (d)
The responsibility for maintaining the accuracy and relevancy of the Systems Manual is transferred from the contractors to the operationsand maintenance personnel at what time?
the start of the Occupancy and Operations Phase is when this document is transferred from contractors to these.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf 8.2.5 Verify Continual Updating of the Systems Man-ual8.2.5.1
What is defined as the The _____ phase is the transition between the
commissioning team and personnel responsible for operating and maintaining the facility over the remainder of its life cycle.
What is the hand-off phaseand is only mentioned in the study guide and also in Cx process for existing facilities.
source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf definitions pg 135.
If the final CX report includes the checklists, issues, and OPR in appendices, then where is the BOD and CXplan in relation to this and the systems manual?
This resource should include the final OPR, the BoD, the final Cx Plan, Commission-ing Process Reports, manufacturer installation manuals, manufacturer O&M manuals, system schematics, record drawings, and test results.
Coordination with O&M personnel in
developing standard formats and divisions (________) should be accomplished to simplify future Systems Manual development.
For Systems Manuals assembled in hard copy format (electronic is preferred) , larger documents such as record drawings, specifications, submittals, and O&M documents can be stored in whatlocations with these locations referenced in the what?
These are kept in secure locations (due to file size) with these locations referenced in the Systems Manual.
The owner loses a major source of funding and, as a result, initiates a
change directive during the early construction stage to eliminate the
mechanical cooling systems from the project. The mechanical designer
expresses concern that the original indoor design conditions will no longer be met during the summer months. The commissioning provider should?
C) request updates to the OPR and BOD to reflect the change.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 58 of 135
The BOD needs to be developed by the Design Team in accordance with the OPR. The BoD should be
updated and expanded as the project evolves when?
This is updated and expanded upon during the design and construction phases NBcX.
__________should be reviewed and updated as part of
1. each design submission during development of the design,
2. after issue of supplementary instructions during the construction process,
3. prior to occupancy, and
4. after completion of acceptance testing.
Supplemental Instructions Overview. 1 AKA Architectural Supplemental Instructions (ASI). Supplemental instructions are formal notifications used by architects to issue additional instructions or to order minor changes in the project.
Architectural Supplemental Instructions (ASI). Supplemental instructions are formal notifications are used by whom to do what and requires what to be updated?
These are issued by architects and to make minor changes to a construction project and requires the BOD to be updated.
A resolution plan identifying all the issues unresolved and incomplete at the end of the project is included in what?
This plan is included in the final CX report.
Source: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf 2.3.9 FINAL COMMISSIONING REPORT
Whom has the role on the CX team to "Review functional test procedures, when in scope." and in what phase?
This role is completed by the architect² & design engineers²in the construction phase as well as the following: 1. Integrate CxP submittal review comments.
2. Respond to commissioning-related requests for information.
3. Work to resolve design-related issues identified during commissioning.
An existing building performance assessment should BEST be performed
during?
C) normal occupied hours.
ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg.86 of 135
The required commissioning processes for project verification MUST be included in which of the following documents?
A) project implementation plan
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 89 of 135
The 4th step (of 4) in developing the CFR is to include the implementation plan into the CFR?
False
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf pg. 53 of 80
We update the EBCx Plan to include an Implementation Plan for the recommendations selected by the Owner.
True
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf pg. 8.6.2 Create Implementation Plan
8.6.2.1 25 of 74
8.8.1.1 Test execution could involve performing functional
performance testing (FPT), trends/monitoring, or any other
M&V needed to ensure that each recommendation imple-mented
meets CFR and performance criteria. Verification tests should follow the ____________________. See Section 8.6.3 for specifics of these verification procedures.
The should follow the Implementation Plan.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf 8.8.1.1
Another element of the process, ___________, refers to ensuring that improvements remain in place, as appropriate, over time, through training, documentation, and putting mechanisms in place to regularly check the performance and the improvements.
Persistence. refers to this.
Source:ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 4.5
The following updating of Cx plan milestones occur during which phase?
1. Training program implementation plan
2. Operator training
These two updating of Cx plan milestonesoccur during the design phase/ (pre-construction phase)
Source: ASHRAE-D-86844 GUIDELINE 1.3-2018 TRAINING FOR THE HVAC&R CX.pdf design phase
In addition to airflow and balance, temperature, relative humidity, and filtration being checked for IEQ (indoor air quality) what else is typically checked regarding personal safety?
Carbon monoxide Field testing
Ozone Field testing
TVOC Field testing
Formaldehyde
Are all checked in regards to this.
Source: ASHRAE-D-86862 ASHRAE Guideline 1.2_Cx for EXISTING HVAC&R.pdf pg. 19 of 74 Table 7-1 IEQ Verification Tests
What is TVOC?
Total volatile organic compounds is this. Compounds that have a high vapor pressure and low water solubility; such as, benzene, ethylene glycol, formaldehyde, methylene chloride, tetrachloroethylene, toluene, xylene, and 1,3-butadiene
The building owner complains about high utility expenses. The FIRST action the commissioning provider should take is to review the....
With these high expenses being mentioned by the owner the FIRST action is to review the OCX PLAN.
SOURCE: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 98 of 135
When investigating the energy consumption of the systems for a
swimming pool, the commissioning provider learns that evaluation criteria do not currently exist. Which of the following will BEST assist the
commissioning provider in establishing the evaluation criteria?
C) Systems manual
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf
During review of the M&V plan, it is discovered that an AHU has been
using considerably less energy than in previous years. The equipment is
found to be in good working order and operating per the sequence of
operations. Initial review of the occupied area served concludes that the primary use has not changed. To continue the investigation, which of the following steps should the commissioning provider undertake NEXT?
Remember that the investigation phase focuses on condition and peformance to avoid wasting time on equipment being replaced.
A) Review occupancy and schedule.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 99 of 135
_____________are the most efficient energy recovery device currently available in the market, with the capability to transfer both sensible and latent energy. Wheel technologies have a total effectiveness up to 80 percent when the supply and exhaust airflows are balanced.
Wheel technologies have a total effectiveness up to 80 percent when the supply and exhaust airflows are balanced.
Total energy recovery wheels.
Source¹: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf INFORMATIVE ANNEX K
BASIS OF DESIGN 7. Provide a narrative description of the HVAC design.
Source²: https://content.greenheck.com ERA115-15 Energy Recovery Technologies.pdf
Terminal boxes do not require any training because they are so straightforward. They either blow air or they don't.
Consider modes with damper positions in manual or auto.
False
__________ should involve operator, maintenance, repair, and ongoing training for smoke control systems. In addition to the factory training elements, variable-frequency drives, dampers, fans, pumps, air handlers, and terminal boxes always have on-site training requirements.
Source: ASHRAE-D-86844 GUIDELINE 1.3-2018 TRAINING FOR THE HVAC&R CX.pdf Design Phase Training Requirements.
After several years of operation, it is observed that the average outdoor air damper position has decreased in order to maintain the IAQ setpoints
of a demand control ventilation system. Which of the following is the MOST applicable document to update?
consider energy savings. The systems manual would also be updated but the M&V plan would be most applicable. Consider modes and damper positions as well as manual or auto.
C) M&V plan
Note: The facility guide would be in the systems manual and contain setpoints and damper positions. But the best answer is the overarching one.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 100 of 135
During a review of the issues log, the main cooling coil is found to be continuously underperforming. Subsequent investigation determines that the cooling coil is marginally undersized. As a result, the coil is identified to be replaced with a larger coil more suitable to the load. Before implementing this corrective action, which of the following activities should the commissioning provider conduct?
B) Verify the affect on the facility
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 100 of 135
If the EBCx Plan, CFR, and EBCx Report are acceptable to the Owner, then the team will continue to the _______________Phase as described in Section 7.
If these documents are acceptable to the owner in EBCX then the team will continue to the Investigation Phase phase.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 6.10.2
The following describes what? .....which identifies scope and benefits of recommended facility modifications and improvements as well as the improvements already implemented.
The investigation report identifies this.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf
A document that records the concepts, calculations, decisions, and product selections used to meet the owner’s project requirements (OPR) and to satisfy applicable regulatory requirements, standards, and guidelines; the document includes both narrative descriptions and lists of individual items that support the design process.
What is the BOD. Definition.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 130 / 135
A document that outlines the organization, goals, schedule, allocation of resources, and documentation requirements of the commissioning process
What is the Commissioning Plan and the definition.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 130 / 135
A basic building systems description and operating plan with general procedures and confirmed facility operating conditions, set points, schedules, and operating procedures to properly operate the facility
What is the definition of "facility guide".
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 132 / 135
An EBCX program plan is a deliverable under what scenario?
What is a deliverable only for multiple facility commissioning in EBCX.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 5. MULTIPLE-FACILITY PLANNING 5.1 Introduction
Where contains the facility guide?
This is contained in the systems manual¹. A basic building systems description and operating plan with general procedures and confirmed facility² operating conditions, setpoints, schedules, and operating procedures to properly operate the facility.
Source²: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 3. definitions
This contains information on "how the facility works".
This is called the facility guide and describes its purpose.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf pg. 4 The Existing-Building Commissioning Process
Training requirements and training plan in EBCX is developed (not conducted) in which phase? Thus the approach for _______ is developed.
This is developed in the Hand Off phase as is the Approach for developing the systems manual and facility guide.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 6.5 Develop the EBCx Plan 6.5.1 f
In which phase in EBCX is Benchmarks for project success established?
This economic performance criteria is developed in the OCX phase for this type of CX.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 6.5 Develop the EBCx Plan 6.5.1 G
The systems manual is updated to include any new information for components, assemblies, and systems that have been modified or installed as part of the __________ process. Update the facility guide (FG) to include any changes to operating procedures that occurred during the ________ Phase.
This includes any changes to the systems manual. Source 2. A __________, including an operating plan, building and equipment operating schedules, set points and ranges, verified sequences of operation, system and equipment limitations, and emergency procedures. Source 3.
This is updated to include any changes to operating procedures that occurred during the implementation phase.¹
Source¹: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf 8.9.5
Source²: 0.2-2015 Commissioning Process for Existing Systems.pdf 9.2.1.6
Source³: ASHRAE-D-90307 ASHRAE Commissioning Stakeholders Guide.pdf table B.13 systems manual.
What contains the Laboratory air-side control system consisting of supply hood, and general exhaust valves, reheat coils, and room control panel among many other requirements?
What is contained in the training syllabus and thus included in training. This also would regard safety and shutdown procedures.
Source: ASHRAE-D-86856 ASHRAE Guideline 0-2019 Cx Process.pdf P1.4 Mechanical Systems
The largest pieces missing from the combined tune-ups and audits is ___________________. Only when the O&M staff has the proper training and documentation to diagnose and fix breakdowns quickly will the building be kept in good working order. One-line schematic diagrams of HVAC air and water; diagrams that show locations of VAV boxes, reheat coils, and other small devices; and inconspicuous local markings (for example, on ceiling tiles)make O&M much easier.
What is the largest pieces missing from these: O&M training, documentation, and monitoring.
Source: ASHRAE-D-86847 ASHRAE Guideline 0.2-2015 Commissioning Process for Existing Systems.pdf pg. 41 of 80 under INFORMATIVE ANNEX C2 DIFFERENCES BETWEENTHE EXISTING-BUILDING COMMISSIONING PROCESS, AN ENERGY AUDIT, AND A BUILDINGTUNE-UP
What sampling rate is used for the "first construction checklist" and why?
The sampling rate for the first _________ is 0% as this would regard: It is recommended that for the first construction checklist to be completed by the contractor for a particular component type, it should be verified and reviewed with the contractor to improve their understanding of the importance of completing all checklists as the work progresses and to eliminate systemic issues before they become problems. This is recommended, even though it will be included in the preconstruction Cx session.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf Table B-2 Sample Rate Determination—Construction Verification
What involving first checklist (first of kind) approach on checklists with a 0%¹ sampling, and for this reason is included in the ___________ session. This will usually also include²;
1. Design Development,
2. Construction Mobilization
3. contractor selection
4. risk analysis
5. project scheduling
6. permitting.
These are includes in the preconstruction Cx session but specifically _First construction checklist (first of kind)__.
It is important to understand that even if the sampling rate is 100% or greater, the approach to be taken is _________________.
This approach is ...still one of random sampling. Even if the sampling rate is ______% or greater.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf Table B-2 Sample Rate Determination—Construction Verification
_______ will greatly impact the sampling rate required to determine OPR achievement.
Because the final Cx tests to verify OPR achievement, it should focus on specific OPR criteria, and the skills of the CxP in developing appropriate, tailored testswill greatly impact this.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf Table B-2 Sample Rate Determination—Construction Verification note 3.
The design verifies installation of systems to designs with site walks and the CXP does what regarding this? Specifically regarding photographs?
CxP shall record installation progress of all central equipment (AHUs, chillers, towers, pumps, heat exchangers, boilers) using 360 degree photography to allow review of each piece of equipment from all sides. CxP shall also record nameplate information by photograph of all central equipment.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf mechanical systems.
C2.12 Final Cx Report. The CxP shall provide a final Cx Report no later than___________ prior to the end of the warranty period.
two months.
source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf C2.12 Final Cx Report.
Specific criteria for the functional use of each space, assembly, and system must be defined. These include temperature, humidity, airflow,
light, noise, durability, aesthetics (materials and colors), service life, reliability, redundancy, and the like. Typically, upper and lower limits are provided for general spaces, with exceptions noted as required. This defines this.
What are benchmarks for performance.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf INFORMATIVE APPENDIX D. OWNER’S PROJECT REQUIREMENTS (non enforceable and not part of the standard as this is an appendix)
When is the Training Expectations Matrixdeveloped?
Recall that plenty of time is needed to develop a schedule for this.
This is developed in the pre-design phase.
Source: ASHRAE-D-86844 GUIDELINE 1.3-2018 TRAINING FOR THE HVAC&R CX.pdf
Which has a lower sampling rate typically? and facility and system based tests or components level tests?¹
Typically, a Commissioning Authority that creates facility and system
based___ will have lower sampling rates than one that creates component _____.¹
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf Final Commissioning Process Testing.
During a back-check of the construction checklists, the commissioning provider discovers that the model number for the installed heating hot water pump does not match the approved submittal but does match the
mechanical schedule in the design documents. What option below is the
best choice for the commissioning provider’s next step? To resolve the
issue, the commissioning provider should?
equipment.
B) contact the project team to confirm that the submittal is correct.
Source: ASHRAE-D-90288 BCXP STUDY GUIDE PREP.pdf pg. 60 of 135. question 28.
The roof is not considered part of the building envelope?
This involves purposefully changing the operating state of an assembly or system to evoke a response and comparing the response to the expectation shown in the test protocol. Usually, this is done by physically being present at the system or assembly and observing the responses as they occur.
What is active testing. One example: Active test example: All openings (doors, windows) in a building are closed, and the building is pressurized with a blower assembly. The air passing through the blower/fan is measured, and the result is converted into an envelope leak rate for the building. Or entering a room to examine photo cell operation.
source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf INFORMATIVE APPENDIX J CONSTRUCTION OBSERVATION AND TESTING CHECKLISTS AND REPORTS J4. ACTIVE VS. PASSIVE TESTING
How is an envelope leak test achieved?
All openings (doors, windows) in a building are closed, and the building is pressurized with a blower assembly. The air passing through the blower/fan is measured, and the result is converted into an envelope leak rate for the building.
Source: ASHRAE-D-86622 Standard 202-2018 COMMISSIONING FOR BUILIDINGS AND SYSTEMS.pdf INFORMATIVE APPENDIX J CONSTRUCTION OBSERVATION AND TESTING CHECKLISTS AND REPORTS J4. ACTIVE VS. PASSIVE TESTING
What is U factor (value) and how is it related to R factor?
The _________ is the standard measurement for a windows resistance to heat flow. It is same concept as the R-Value only inversed. The lower the _________, the greater the resistance to heat flow. Doubled-Paned, or even Triple-paned windows will have lower ______ than single paned.
What is the infiltration rate? Regarding a building envelope.
Typically, at least one-third air change per hour is considered the minimum.
The ________________ is the volumetric flow rate of outside air into a building, typically in cubic feet per minute (CFM) or liters per second (LPS). The air exchange rate, (I), is the number of interior volume air changes that occur per hour, and has units of 1/h.
Source: Fundamentals volume of the ASHRAE Handbook, Ch. 27, ASHRAE, Inc., 2005
What happens when exhaust is too close to the intake?
The cleanest air is Class 1 and air that is classed as 4 is “Air with highly objectionable fumes or gases or with potentially dangerous particles, bio-aerosols, or gases, at concentrations high enough to be considered harmful.”
What is reentrainment. For exhaust re-entrainment, Class 4 air has a minimum separation distance of 30 ft (10m) from an intake.
source: ASHRAE exhaust-re-entrainment-guide.pdf
Energy Efficiency – the envelope thermal performance must match or exceed the BoD for the HVAC&R systems to achieve their OPR.
True
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf INFORMATIVE ANNEX J OWNER’S PROJECT REQUIREMENTS Performance Criteria
The specific column that impacts a successful HVAC&R system in the integration with the exterior envelope is the mechanical column issues. The first item is of high importance, otherwise the HVAC&R systems and assemblies will be oversized or undersized if ____(what is not integrated with the envelope and in which phase?)_______, and it is a key HVAC&R checklist requirement during construction to verify the installation matches the OPR, BoD, and the construction contract documents.
the load calculations are not integrated with the exterior envelope during the design phase
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf INFORMATIVE ANNEX R— INTEGRATION REQUIREMENTS
An example of the mechanical issue needing integrated with the exterior envelope finds that the Insulation value of the building enclosure has increased and U value has decreased. What would be advised in regards to ductwork and sizing?
Reduce size of ductwork and mechanical system as well as the electrical service sizing as a result of this value increase.
Source: ASHRAE-D-86812_Guideline 1.1-2007_HVAC&R Technical Requirements for the CX Process.pdf Exterior Enclosure Concerns (from NIBS Guideline 3)
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johnbowens
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ASHRAE BCxP building commissioning professional
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This Study Guide provides a framework and tools to help you self-assess your knowledge in building commissioning and create a customized, self-paced study plan for the BCxP exam