In this flow test, a CxA performs a whole-building pressure verification test. The lowest leakage rate equates to the best energy efficiency. Courtesy: Commissioning Concepts
Commissioning October 23, 2012

Commissioning best practices for building performance

Follow these best practices to ensure a building meets the performance standards required by the owner and design engineer.

By Jim Bochat, LEED AP, NEBB CCP, NEBB RCCP, Commissioning Concepts, Phoenix
Figure 5: Site inspection is a critical activity in the commissioning process for both mechanical and controls systems. Courtesy: Cannon Design
Commissioning October 18, 2012

Commissioning the BAS

Following a thorough commissioning process that incorporates best practices is essential in delivering a building that meets user requirements and design intent.

By Mike Eardley, PE, LEED AP, CCP, Cannon Design
Commissioning October 17, 2012

Commissioning best practices: Electrical — Top 10 deficiencies and challenges

These are the most common deficiencies or challenges workers face when working on a commissioning project.

By John Hebert, PE, LEED AP BD+C, and Catherine Melander, PE, LEED AP BD+C
The hospital emergency room entrance helps to illustrate the importance of essential power systems and the commissioning of the essential power system. Courtesy: Dreamstime
Commissioning October 17, 2012

Commissioning best practices: Electrical

Commissioning electrical equipment ideally begins early in the design phase of the project and continues through the completion of functional performance testing.

By John Hebert, PE, LEED AP BD+C, and Catherine Melander, PE, LEED AP BD+C,
Figure 2: Asked what types of projects they are working on, engineering firms indicated an even split between new construction and retrofit/renovation design work. Courtesy: Consulting-Specifying Engineer 2012 MEP Giants
Commissioning October 16, 2012

The state of commissioning in 2012

Commissioning continues to expand to cover more systems, and energy-oriented existing building commissioning is still seen as the future. But a weak economic recovery and concerns about “commissioning lite” leave providers slightly more pessimistic than in 2011.

By Ray Bert and Lexi Gray, AABC Commissioning Group, Washington, D.C.
Commissioning October 15, 2012

Lighting commissioning guidelines and standards

The complexity of lighting design has made commissioning of lighting controls an essential part of projects.

By Brian K. Baumgartle, PE, LC, LEED AP, CMTA Consulting Engineers, Prospect, Ky.
Figure 1: The contractor failed to account for the ceiling height in this project. The bottom of the hot water system drain valves extend below the lay-in ceiling height. The drain valve handles, when exercised, will extend below the ceiling line. Courtes
Commissioning October 12, 2012

Commissioning HVAC systems thoroughly

By examining all aspects of the HVAC system and its components—from design through commissioning—the system will run more efficiently and effectively.

By Edward Hurtz, PE, LEED AP, CxA, GRAEF, Milwaukee