What is Commissioning?

Commissioning is an essential process in multifamily building projects, ensuring that all systems and components of a building function according to the architect’s or owner’s specifications. This involves confirming that equipment and structures are installed correctly and operate efficiently before the building is occupied.

Why is Commissioning Necessary?

For structures exceeding 20,000 square feet, commissioning is often mandated by building codes due to the complexity of HVAC and plumbing systems. Despite being an additional expense, many professionals in the field advocate for its value, emphasizing that the benefits far exceed the costs.

Preventing Operational Issues

One of the primary benefits of commissioning is its ability to identify potential installation problems before equipment becomes operational. Common issues include:

• Installation of incorrect equipment
• Heat pumps placed backward
• Missing valves and balancing devices
• Damaged equipment
• Inaccurate piping and duct layouts

Addressing these problems during the commissioning phase is more cost-effective than doing so after the building is operational.

Ensuring Optimal Performance

Commissioning also guarantees that equipment operates according to its intended design. This includes:

• Adjusting settings from factory defaults
• Balancing fans and pumps to correct flow rates
• Programming automatic controls
• Verifying the functionality of safety devices

Comprehensive testing documentation is produced during commissioning, detailing any issues and their resolutions. This documentation is valuable for ongoing operations and future maintenance.

Long-term Benefits

A properly commissioned building can lead to:

• Lower maintenance costs
• Reduced operating expenses
• Improved comfort levels for occupants
• Enhanced staff training
• Extended lifespan of equipment and systems

Moreover, commissioning can improve communication among construction teams, resulting in fewer operational challenges post-construction. The return on investment can range from 1.5 to 5.5 years, making it a prudent decision aligned with long-term financial planning.

Regulatory Compliance

In the close-out phase of construction, the commissioning agent creates necessary documentation for local building authority submissions, such as those required by the New York City Department of Buildings. They ensure that all deficiencies are resolved and that staff receive adequate training on building systems.

The Future of Multifamily Commissioning

As multifamily building projects continue to rise in urban environments, the focus on commissioning becomes even more crucial. This process not only safeguards the owner’s investment but also ensures the comfort and safety of future tenants.

Obtaining a certificate of occupancy often hinges on proper commissioning documentation, particularly regarding adequate ventilation and heating and cooling systems functioning reliably.

Conclusion

In summary, commissioning serves as a vital step in multifamily building projects, significantly impacting project success, tenant satisfaction, and overall return on investment.

Matthew Strobel is the director of building commissioning at Bright Power, a consultancy specializing in sustainable energy solutions.