To support green buildings should codes stay the same, be reworked or be reinvented?
On Thursday, the DJC published an article I wrote on a new report that says codes are getting in the way of cutting edge green buildings. This, in itself, is really nothing new. Last August, I wrote this article about the city's Priority Green program. In it, DPD's Peter Dobrovolny (whose last name is almost as difficult as mine!) said many projects consider innovative ideas but drop them when they realize how much extra time it will take under city code. However, having the problems and possible solutions written down in an actual report - well that is new.
However, the report. Is. Huge. If you dare to read it, click here . It manages to be very
comprehensive and vague at the same time. It is comprehensive in that it studies code barriers across the country, identifies problems and makes recommendations. But because it is dealing with national issues, some of the solutions are vague in their range. For example, one solution is to "identify and address regulatory impediments to green building and development" while another is to "create incentives matched with desired goals."I spoke with one of the study's primary authors, David Eisenberg of the Development Center for Appropriate Technology, this week. Essentially, he said codes are built incorrectly in that they are hundreds of ad hoc responses to problems. Codes, he said, should instead be built comprehensively to support a specific kind of development or project. Basically, he said the entire system needs to be rebuilt.
Ouch.
In Seattle, it can take months or years for changes (especially large ones) to occurr. Can you imagine what it would take to wipe out all the city departments responsible for allowing development to get built... and then to rework the system from scratch?
Eisenberg said he realizes that what he's asking might be impossible. But even if it is impossible, by voicing the idea, he hopes to get people talking about it. Everyone - he said - whether it's greenies or permitting people or anyone really - wants healthy buildings. And our current code system does not encourage healthy buildings because it pawns risks relating to climate change and environmental degradation off on future generations.
What do you think about all of this, dear readers? Is there any possibility that our overall codes could be reworked and if so, what would you want them to encourage? Here in Seattle (where we are pretty progressive in environmental issues, at least compared with some parts of the country) do we even need to be considering reworking the system or do we need to tweak it? If you could totally rework one code or issue, what would it be?


August 7th, 2009 - 14:57
Just as a glimpse into the convoluted world of code development, this year the Wa. state plumbing code TAG decided not to recommend any maximum water usage rates for washing machines and dishwashers.
This wasn’t because they thought it was a bad idea, or too expensive for consumers (though there were some of those arguments as well), it largely came down to the belief on the part of the permit inspectors that the rules would be too difficult to enforce.
It seemed to me that there are many aspects of code that can’t be directly enforced (ie- do they tear apart a wall to verify that adequate insulation has been installed?), but that are good ideas anyway. I was disappointed with the result.
August 10th, 2009 - 15:37
On the mechanical side, we’re running into quite a few technological barriers. One example would be variable refrigerant systems. These systems aren’t really allowed by code because they can’t be rated for efficiency in the same way that air conditioners are. I’ve seen many cases where they’ve been used anyway by convincing the inspectors that they’re more efficient (they generally are), but technology just moves ahead faster than code writers can keep up with. Another glaring hole is the issue of natural ventilation – as written, you can make a much less efficient building using natural ventilation. Luckily, I haven’t seen many people build to this code.
I’ll leave the building code redesign for the architects, but I recommend checking out the book Suburban Nation for ways to start over with our code (which they highly recommend as well).
August 10th, 2009 - 15:38
“Luckily, I haven’t seen many people build to this code.” Um, of course I meant I haven’t seen many people build to the minimum of this code. Nat. ventilation in general is a good thing.