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IAQ Testing

NC-v4 EQc4: Indoor air quality assessment
posted by Shannon Oletic on Jan 20, 2020, 4:57 pm

Following Option 2 of this credit, is it acceptable that sampling areas of the building are tested once construction has finished in that area even if construction has not finished in other parts...

Last reply: emily reese moody, Jan 22, 2020, 7:59 pm

Flush for Residential Multifamily several stories

NC-v4 EQc4: Indoor air quality assessment
posted by Sue Bryant on Dec 6, 2019, 11:52 am

The reference guide states that "If multiple, discrete HVAC systems operate independently, the team may flush out portions of the building as work is completed in each area served by a given...

Last reply: Sue Bryant, Dec 9, 2019, 10:51 am

Option 2- Is there still a minimum sample area requirement?

NC-v4 EQc4: Indoor air quality assessment
posted by Daniel Smith on Oct 9, 2018, 4:31 pm

I am quoting to provide Option 2...

Last reply: Barbara Beckmann, Oct 31, 2019, 5:47 am

Flush-out during occupancy.

NC-v4 EQc4: Indoor air quality assessment
posted by R.L. Bowen on Oct 8, 2019, 8:21 am

Our team is working on a CNG bus station renovation project for COTA (Central Ohio Transit Authority). We are renovating portions of the building that include the bus garage, bus maintenance area...

Option 1- Flushout of Non-Occupied Spaces

NC-v4 EQc4: Indoor air quality assessment
posted by Mike Bahr on Aug 8, 2019, 6:41 pm

My project is a mid-rise building with the lower 5 levels being open air parking. Is that required to be flushed, and meet humidity and temperature requirements?

Last reply: emily reese moody, Sep 12, 2019, 11:19 pm

Lab Methods

NC-v4 EQc4: Indoor air quality assessment
posted by Nate Maniktala on Apr 2, 2019, 6:40 pm

is worthless in my opinion and per published peer reviewed papers (referenced in this forum in the past), it might be a better way to get at least one point. Log in or register to post comments ...

Last reply: Dale Walsh, Apr 10, 2019, 12:00 pm

Option 1 Bust

NC-v4 EQc4: Indoor air quality assessment
posted by Michelle Rosenberger on Oct 8, 2018, 2:33 pm

Is there any recourse if you go for an Option 1 flushout and fail to meet the temp or humidity limit at any point during the duration? If for example you exceed the relative humidity or temp for...

Change of Filtration

NC-v4 EQc4: Indoor air quality assessment
posted by Michelle Rosenberger on Sep 18, 2018, 1:04 pm

Dale Walsh LEEDuser Basic Member 29 thumbs up September 18, 2018- 3:21 pm As I have posted several times, flush out is pretty much a waste of time and money when it comes to improving post occupancy IAQ.  I have provided published studies to that effect on this forum in the past.  As such, the question is somewhat of a moot point.  However, putting in new filters before the air testing, which is also inappropriate for its stated IAQ purpose, is an adult diapers question (Depends).  If the existing filters are loaded with debris containing materials that are saturated with VOCs or SemiVOCs or have absorbed...

Last reply: Dale Walsh, Sep 18, 2018, 3:21 pm

Flush out option-1 for spaces like Stairwells and Elevator shafts

NC-v4 EQc4: Indoor air quality assessment
posted by Nishank Shah on Aug 24, 2018, 9:21 am

According to the language used in this credit, we are supposed to perform a building flush-out of the...

gross/net floor area for flush-out calculations

NC-v4 EQc4: Indoor air quality assessment
posted by Agnieszka Rylska on May 9, 2018, 7:15 am

I would like to confirm if flush-out calculations should be based on gross or net floor area of the building. In the reference guide it is written that we should "perform a building flush-out by...

Last reply: Dionisio Franca, Jul 19, 2018, 8:04 pm