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FAQs about EQp1 :

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

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?

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

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

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?

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?

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?

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

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?

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Warehouses-EBOM-v4 EQp1:Minimum indoor air quality performance

VENTILATION WAREHOUSES

Profile picture for user helena_2
Helena Garcia
Sustainability consultant
PGI ENGINEERING
LEEDuser Basic Member
5 thumbs up

We are certifing a project with two buildings, the first is an offices, the second is a warehouses to rent in Spain. The question is for the warehouse, this warehouse is not conditioned and the spain law (and UE) doesn't require ventilation for this type of buildings. We don't Know the use, because it is for rent. The question is: To meet the crèdit -Minimum Indoor Air Quality Performance- and Leed V.4 does warehouses require ventilation? and if the answer is yes, with natural ventilation is it enough? or require mechanical ventilation?

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Ben Stanley
Senior Sustainability Manager
WSP - Built Ecology
LEEDuser Expert
188 thumbs up

Wed, 03/08/2017 - 20:31

Hi Helena, Just seeing your post from last year. The warehouse spaces will require either natural or mechanical ventilation to meet the prerequisite. That said, some of the warehouse space may qualify as "inactive", which case that area could be excluded. In past versions of LEED, USGBC has defined inactive as nonoccupied (defined as spaces designed for equipment and machinery or storage with no human occupancy except for maintenance, repairs, and equipment retrieval. For areas with equipment retrieval, the space is only nonoccupied if the retrieval is occasional.) A few other things to keep in mind is that there does appear to be an alternative compliance path available for projects in Europe. Otherwise, ASHRAE 62.1-2010 generally requires all naturally ventilated spaces to be mechanically ventilated as well, unless the natural ventilation openings are permanently open.

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