2025 Spring TAB Journal Quiz

Name(Required)

First Last

Email(Required)

Company Name(Required)

Are you an AABC, ACG, or EMA member? (check all that apply)(Required)

AABC

ACG

EMA

None of the above

Basic Requirements of a TAB Report for Certificate of Occupancy

Mike Wozniak, TBE, Air Systems Engineering, Inc.

1. Which is NOT a minimum operating requirement that a TAB agency must verify before preliminary testing?(Required)

Permanent power to HVAC equipment

Design outdoor air distribution

Fan speed control at BAS or equipment

Adjustment with fixed control of modulating dampers

2. To ensure design outdoor air distribution, total supply air flow for each space should be ___________ the minimum required air volume.(Required)

At or above

Below

Above

Equal to

Achieving "Operational Nirvana" with Retro-Commissioning

Al LaPera, P.E., CxA, EMP, Kimley-Horn and Associates, Inc.

3. According to the article, retro-commissioning views the building ___________________.(Required)

As the designer envisioned it would operate

As the owner wants it to operate

As it would operate in perfect conditions

As it operates day to day in the real world

4. Which retro-commissioning phase involves performing a calibrated energy model on the building?(Required)

Planning phase

Investigation phase

Analysis phase

Implementation phase

Project Design Collaboration

Davis Nguyen, TBE, Test & Balance Group, Inc.

5. According to the article, a sufficient ACH helps to do what?(Required)

Remove airborne contaminants

Maintain optimal humidity

Reduce leakage at the supply ducts

Ensure the DDC are functioning correctly

6. To prepare the system for certification, the air handling unit total airflow was __________ to satisfy the hospital-requested space temperature and humidity.(Required)

Left the same

Increased

Reduced

Recalculated

Understanding the Importance of the Owner's Project Requirements Document

Quince Taylor, Sindoni Consulting and Management Services

7. When preparing the OPR, how can the owner's development team decrease risks to budget and schedule later in the project?(Required)

Revise the OPR frequently throughout the project.

Turn in the OPR quickly to allow for a quick start to the project.

Eliminate gaps and ensure the OPR is as complete as possible.

Provide loose guidelines rather than specific details.

8. In the Acceptance Phase, which of the following thresholds is NOT typically provided by the OPR?(Required)

Budget considerations

Energy performance

Occupant comfort

Equipment functionality

Electrical Harmonics & Fan Speed Controllers

Christopher Monday, CxA, Engineered Air Balance Co., Inc.

9. The FCUs use ______________ to control fan speed.(Required)

Pulse width modulation

Air dampers

VFDs

Electrical system harmonics

10. How was it determined whether the fan cycling issue was related to the electrical system?(Required)

Tested each individual electrical panel

Disabled the air handling units

Checked the speed controllers on the fans

Temporarily powered one of the units from a panel that did not serve any VFDs

Preparing Property Owners for BEPS

Charles Jackson, III, P.E., CxA, CMTA

11. As buildings age, the efficiency of HVAC systems ______________.(Required)

Increases

Does not change

Decreases

Goes up and down

12. What was a common piece of feedback from O&M staff trainings?(Required)

O&M staffs do not want to make the suggested changes.

O&M staffs support improvements but do not control the budgets.

O&M staffs are not involved in the benchmarking process.

O&M staffs do not find the training helpful.

Testing, Adjusting, and Balancing (TAB): ACG Building Systems Commissioning Guideline

Jim Magee, CxA, EMP, MACx Consulting

13. When do CxP groups typically initiate contact with a TAB agency?(Required)

At the start of the project

During the Design Phase

During the Construction Phase

During the Occupancy Phase

14. Who holds approval authority for the TAB deliverables?(Required)

The design team

The Cx team

The owner

The TAB agency

Goodbye, Belts and Pulleys — Hello, Energy Efficient ECM Motors

Branden Johnson, TBE, Mechanical Data Corporation

15. By adjusting the speed of an ECM motor, users can achieve precise control over ______________.(Required)

Airflow

Pressure

Rotational speed

All of the above

Case Study: Data Center Re-Commissioning

Jud Adams, P.E., CxA, Power Management Corporation

Robert Kolnes, TBE, CxA, TABITT

16. The TAB scope of work for data center re-commissioning primarily focuses on _______________.(Required)

Electrical systems

Pumping systems

HVAC systems

All of the above

17. The original pump motor's NEMA code was ___, while the replacement pump's code was ___.(Required)

G; H

J; H

H; J

J; K

The Job That Will Not End

Gayla Davis, TBE, CxA, National Precisionaire, LLC

18. According to the article, when a deficiency list is still incomplete despite best efforts, who must ultimately decide what is acceptable?(Required)

The general contractor

The lead technician

The building owner

The commissioning provider

VRF Installation: Commissioning Challenges & Recommendations

Peter Turek, CxA, EMP, CBRE Design Collective, Inc.

19. How many of the replaced compressors were diagnosed to determine why they were failing?(Required)

None

14

21

28

20. What prevented the proper migration of oil back to the compressor?(Required)

Installation of piping at the wrong openings

Installation of the incorrect size of piping

Electrical issues caused by faulty wiring

Dips and traps caused by insufficient piping supports

2025 Spring TAB Journal Quiz

Suggested Drawing Specification

AIA-Format LONG-FORM SPECIFICATION

Section 230593 – TESTING, ADJUSTING AND BALANCING FOR HVAC

AIA-Format SHORT – FORM SPECIFICATION

Section 230593 – TESTING, ADJUSTING AND BALANCING FOR HVAC

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