Working on a school that will be completed by June 1, moving furnishings in July 1, and people in August. We have the month of June for flush out, hypothetically. We want to chase this credit, but the engineers say the VRF system won't push the volume of air through the system fast enough. First, we don't need to use any special filters for this, right? So it's not a matter of flushing with special filtering, correct? We aren't using Merv13 filtering in this project, we just want to flush out the off-gassing pollutants from finished construciton. Second, if the mech system can't push enough volume through, is there a low cost alternative that still accomplishes the intent of this credit.
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Keelan Kaiser
Architect and EducatorSerena Sturm Architects and Judson University
141 thumbs up
December 16, 2010 - 8:50 am
A couple more details, the first floor is a contiguous library space with two stack-induced cross ventilation chases with operable windows at the top. The second floor is a series of 6 science labs, each with a room-based exhaust fan. Couldn't we simply use the stack-effect (possibly temporarily fitted with exhausting fans) to power ventilate the lower level, and open the windows and turn on the exhaust fans in the classroom/labs to get the volume we need? The volume doesn't need to go through the mechanical system per se does it? This credit is to simply flush out pollutants in the environment itself, with or without the mechanical system itself? Anyway, those are my questions. Thanks!
Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11478 thumbs up
December 28, 2010 - 11:08 pm
You don't have to use special filtering, no.Regarding getting the volume of needed air in this situation, the typical practice is to use temporary fans or other ventilation systems to require the needed volume of air. There is more specific guidance on this in the Checklists tab above.