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Does IT and AV equipment need to be installed prior to IAQ testing?

CI-v4 EQc4: Indoor air quality assessment
posted by Diana Smiciklas on Sep 7, 2018, 12:15 pm

Does IT and AV equipment need to be installed prior to...

Last reply: Hrisa Gatzoulis, Feb 16, 2021, 12:46 pm

how to classify our site?

NC-v4.1 SSc2: Protect or Restore Habitat
posted by Aynaz Alaei on Feb 15, 2021, 12:58 pm


Does open grass area that was previously re-graded (decades ago) to slope to a man made stormwater retention pond count as...

Entryway systems

CS-2009 IEQc5: Indoor Chemical and Pollutant Source Control
posted by Vicky Smith on Feb 16, 2021, 1:25 am

Our project is an office building already being occupied by tenants, and the entryway system measures only 9 ft. lacking 1ft from the requirement by LEED. Is a 9ft entryway system in the interior...

Fresh air/Outdoor air through infiltration

CI-v4 EQp1: Minimum indoor air quality performance
posted by Mahesh Shankar on Jan 28, 2020, 5:16 am

I am working on a CI project which is a factory/office space. The...

Last reply: shashank gangil, Feb 15, 2021, 9:21 pm

Fresh Air Requirement for Customer Service Room during after-office hours.

CI-v4 EQp1: Minimum indoor air quality performance
posted by shashank gangil on Feb 15, 2021, 9:08 pm


We are doing a CI V4 project in Hong Kong. The project consist of few Customer Service Rooms. During office hours, it is served by...

Passive Survivability and Back-up Power During Disruptions

NC-v4 INc1: Innovation
posted by Ridhwan Omar on Mar 29, 2019, 10:42 am

Hello LEEDUsers!

We have a resort hotel project in one of the islands in Micronesia.

Due to reliability problems with the electricity system on the island and the lack of reserve...

Last reply: Olga Yuil, Feb 15, 2021, 3:07 pm

Chlorine as a biocide treatment

NC-v4.1 WEc3: Cooling Tower and Process Water Use
posted by Ricardo Sá on Feb 15, 2021, 4:49 am

Dear All

We are working in a project were potable water supply has very low concentrations of Cl- (about 15 ppm, 20 times below the maximum level defined in credit language).


Patient Lifts as Medical Furnishings

Healthcare-v4 MRc7: Furniture and medical furnishings
posted by Keith Jensen on Feb 12, 2021, 4:37 pm

The definition of Medical Furnishings includes "lifting and transfer aids" as examples. It seems to me that patient lifts are medical equipment not medical furnishings. Their cost (and lack of...

What Defines "Project Completion"

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by Lianne Parker on Feb 12, 2021, 5:10 pm

I have a V4.1 Platinum project in California that is coming to the end of the construction phase. What is considered a "complete" project for USGBC submission? Some terms we are using for "...

Why are Light Trespass at almost unreachable light levels?

LEED v4.1 Discussion Forum
posted by Kevin Bremer on Feb 12, 2021, 3:26 pm

So often I am running calculations needing to meet LEED requirements for light tresspass and needing to hit .1FC which is abusurd. Most times we are putting sheilding on the fixtures which...