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EBOM-v4 EQp1: Minimum indoor air quality performance

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LEED O&M 4.1 - EQp Indoor Environmental Quality Performance

November 22, 2018

sompoche sirichote

LEEDuser Premium Member

17 thumbs up

November 22, 2018

Hi,

This prerequisite require testing of indoor air to identify Inorganic Contaminants and Volatile Organic Compounds. But I do not see any required method for each testing. Could anyone please help me to clarify the testing method for those chemical in air? Or can we use any method for the testing?

Best Regards

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Trista Brown

Project Director
WSP USA

LEEDuser Basic Member

449 thumbs up

December 3, 2018 - 5:20 pm

Hi Sompoche, have you looked at the v4.1 O+M Beta Guide? https://www.usgbc.org/resources/leed-v41-om-beta-guide. This Arc document also includes testing information: https://www.usgbc.org/resources/data-management.

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FAQs about EQp1:

What happened to the IEQ Space Matrix that was available to version 2009 projects? What should I reference to determine how spaces in my building should be categorized for this prerequisite?

How do I find whether my project is located in a non-attainment area for particulate matter or exceeds the prerequisite ozone requirements?

The outdoor air intake for our ventilation system is not accessible, and it’s not possible to measure the outdoor airflow directly. How can we determine the outdoor airflow for this system?

Our system cannot provide enough outdoor air to meet ASHRAE 62.1-2010 due to design limitations. How much outdoor air must we provide to meet Case 2 instead?

My building has 80 AHUs providing ventilation to building spaces. Do I have to do the ventilation calculations and conduct outdoor air measurements for each one?

What if after our Preliminary Review we have to revise the ventilation rate procedure calculations and find that we need to make corrections to the system in order to meet the prerequisite? Can we redo the outside air testing after making corrections? Wou

What if our systems do not meet the required outside air when systems are tested at worst-case conditions?

Our building has a single fan that supplies outside air to multiple AHUs. Do we need to perform outside air testing at the supply fan or at all AHUs?

We have a VAV system where single AHUs serve multiple zones. Do we need to take outside air measurements at each VAV box?

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