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Justifying Building Commissioning

The rationale  for commissioning is pretty straightforward. Invest a modest amount of money to find things wrong with a building, fix those problems, and get the investment paid back in a short period of time.

Sounds logical. But top management often sees things differently. The executive viewpoint may be something like this: When we hired architects, engineers and contractors to build this facility, didn’t we pay them to do their jobs right? Now we have to pay someone else to fix things they did wrong? The annoyed glare that often accompanies those questions tells you that it’s a subject you better not bring up again.

In a perfect world, buildings would be, well, perfect. But the world isn’t perfect. And top managers who refuse to accept that are missing a solid investment. ROI on commissioning new buildings is nearly 25 percent, according to Lawrence Berkeley National Laboratory. For existing buildings, return is more than 90 percent. (For more on commissioning existing buildings, see “It’s Payback Time.”)

Numbers alone won’t satisfy executives who want to know why work wasn’t done right the first time. That’s a legitimate question. But the fact is that a new building is, in a sense, a prototype. No two are alike. And the finished building works — perhaps surprisingly well, for such a complex “new product.” It’s just not perfect, which leaves a lot of room for profitable improvements.

Companies have third parties check things all the time, whether it’s quality control inspections or audits of the accounting department. Commissioning is analogous to those activities, not an acceptance of shoddy work.

The purpose of commissioning isn’t to make a building work. It’s to make it work better — and at a lower cost. Once top management understands that, a 25 percent return should sound more appealing.


Posted 12-29-2009 4:44 PM by Ed Sullivan

Comments

ljschultz376 wrote re: Justifying Building Commissioning
on 12-31-2009 10:33 AM

Commissioning basically works out to be a backcheck on the Contractor and equipment suppliers that what was installed was what was called for on the plans. If the Commissioning is performed prior to the Owner taking possession of the building, the Owner has less of a chance of experiencing discomfort after possession of the building has occured.

We see projects regularly where the heating does not function as expected but it was not apparant until cold weather. Now the Owner is disabled because his building is not warm enough for the employees to do their job. Was it an equipment malfunction or a wiring connection not made? The time needed to fix the problem probably is not one day or one week, so how much employee time is lost due to lack of heat? Had commissioning been performed this would have been noticed before taking possession of the building.

As Mr. Sullivan said, third party checks are performed regularly and commissioning should be performed as such also.

eliotcrowe wrote re: Justifying Building Commissioning
on 01-14-2010 3:31 PM

Re: New Construction Cx - The pitch for owners shouldn't be about quality control, ie. checking things work after a building is built. It's a quality assurance process built in from the start of the design phase, and testing/inspection is just one of the later steps in that process. In that sense, it can be sold as a way to optimize building performance through a robust process, rather than a third party check/fix process.

For Existing Building Cx it's a tricky sell, especially if you're trying to tell an owner that their 2-year old building probably has 15% energy savings potential. For this it needs owner education and good case studies

thebalancer wrote re: Justifying Building Commissioning
on 01-22-2010 9:31 AM

Commissioning agents today are the only way the building as a whole is tested. The agent validates the Building Automation system , the balancer, the General contractor and his subs.

Unless the Design Engineer is going to put into the specifications that the systems are to be tested and in what modes so each and every contractor can successfully price the job to do the proper job.

ErnieWilder wrote re: Justifying Building Commissioning
on 01-26-2010 11:03 AM

I will also add that there are key stakeholders in the commissioning process, namely your operating engineers and perhaps some mid-level FM types that make up the ownership team.  When the building is turned over to the owner and a warranty start date is established,  the responsibility of assuring functional systems that (presumably) meet the contractual terms and conditions belongs to those who were least involved in the entire process....design, construction and punch-out.