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NC-2009 IEQc3.1:Construction IAQ Management Plan—During Construction

Ductwork Cleaning Standards

My Mechancial Contractor for a project submitted an IAQ Plan referencing the National Air Duct Cleaning Association's procedures for cleaning ductwork. I know that the IEQc3.1 is based on SMACNA. Any issue with the Contractor using the NADCA standard for cleaning?

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David Posada
Integrated Design & LEED Specialist
SERA Architects
LEEDuser Expert
1361 thumbs up

Tue, 08/28/2012 - 16:44

The NADCA standard goes into greater detail on duct cleaning methods than SMACNA Chapter 3 especially in definitions, evaluation methods, cleaning and protection measures. I haven't looked at the NADCA standard in enough detail to see if it contradicts any of the SMACNA requirements, in whuch case SMACNA would prevail. SMACNA Chapter 3 addresses other areas than just duct cleaning such as source control, protection of materials during construction, scheduling, etc. If the IAQ plan is based only on the NADCA standard it might not be complete in all areas, though it may be very thorough in addressing duct cleaning. If you find that the IAQ plan covers all the SMACNA requirements, I don't foresee an issue following the NADCA standard as well.

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