Forum discussion
CI-2009 IEQc3.2: Construction IAQ Management Plan—Before Occupancy
After receiving the project's review we are asked to provide outdoor delivery rates.
The project was flushed out with a 2,000 CFM fan for 48 hours with windows and a door open providing a flushing with 5,700,000 cubic feet of outdoor air (5,000,000 cubic feet is required for the project's area.)
We are attempting Option 1, Path 1 and in compliance with internal temperature and humidity.
What is the accurate way to provide outdoor delivery rate as the building uses natural ventilation?
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Is it possible for the flush-out start date to vary by ventilation zone?
Do non-regularly occupied areas such as bathrooms and corridors have to be flushed-out?
For LEED NC addition projects, do existing non-renovated areas need to be flushed-out or tested?
For IAQ testing, how many sample points are necessary in non-mechanically ventilated spaces?
Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11477 thumbs up
March 21, 2013 - 3:39 pm
Vera, I don't understand the question. If you used mechanical ventilation for the flush-out, then you can do the calculation based on the mechanical equipment. If you relied on natural ventilation for the flush-out, I'm afraid that's pretty complicated, and I'm not sure qualifies as a "flush out."