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No more than 25% of the building’s cool-wall area facing away from the equator

Pilot-Credits SSpc154: Heat Island Mitigation with Cool Walls
posted by Aleksandra Prawda on Oct 8, 2021, 7:22 am

Hi all,

I was considering this pilot credit for some projects, however, I have doubts about this part of the requirement: "To avoid disproportionate placement of cool-wall materials on the...

Last reply: Zeynep Cakir, Jun 15, 2023, 7:09 am

"No cooling tower" option removed

NC-v4.1 WEc3: Optimize Process Water Use
posted by Paula Melton on Dec 2, 2020, 9:39 am

It appears that Option 2, "No Cooling Tower," has been removed from this credit with addendum #10002465.

Last reply: Azra, Jun 14, 2023, 6:24 am

Standard EPD to use in LCA

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Jose MARTINEZ on Jun 13, 2023, 4:08 pm

Good afternoon colleagues, we have recently received comments (by LEED reviewers) about the EPDs we use for LCA in the baseline model that are not the standards to consider in the U.S. industry (...

Non-occupied Garage- Flush required?

NC-v4 EQc4: Indoor air quality assessment
posted by Leanne Conrad on Oct 26, 2017, 2:11 pm

If we have a separaetly HVAC served storage garage that is quite large and mimininally heated, does this area have to be included in the whole building flush and maintain the higher than normal...

Last reply: Dave Hubka, Jun 14, 2023, 2:57 pm

When the jurisdiction does not provide waste services...

Hospitality-EBOM-v4.1 MRp3: Waste Performance
posted by Sabrina Flagstad on Jun 2, 2023, 6:20 pm

For O+M, what to do when the project is in a jurisdiction that does not provide waste services such as compost or mixed recycling?

Last reply: Kath Williams, Jun 14, 2023, 12:57 pm

How to represent product-specific EPDs with LCA tools which don't cover them.

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by on May 3, 2023, 10:56 am

While we are getting up to speed on using OneClick LCA in our practice, most of our project LCAs are still in Tally, which currently has a more fixed database of materials. For Tally models where...

Last reply: Divya Shroff, Jun 14, 2023, 12:07 pm

Product Categories

NC-v4.1 MRc4: Material Ingredients
posted by Christoph Keck on Aug 16, 2022, 8:37 am

Hi everyone,

the project I am supporting at the moment is following the alternative international compliance path where we have to meet the 100ppm REACH criteria.

In v4 they added...

Last reply: Tristan Roberts, Jun 14, 2023, 11:25 am

Which version of V4.1 should I follow? Do older versions of V4.1 become obsolete when a newer version is released?

NC-v4.1 MRc4: Material Ingredients
posted by Sara BENLOUBA on Apr 6, 2022, 11:12 am

Dear all,

We have a project registered on the V4 version of LEED.

We are in the process of specifying products for the construction company to install during the...

Last reply: Tristan Roberts, Jun 14, 2023, 11:24 am

Screening Date vs. Publish Date vs. Expiration Date for HPD

NC-v4.1 MRc4: Material Ingredients
posted by James Keohane on Jul 1, 2022, 2:37 pm

I recently received a rejection comment for an HPD:   Reason given - Publication Date (01/25/22) is after the projects construction period ended( 12/01/21).  This particular product has a...

Last reply: Tristan Roberts, Jun 14, 2023, 11:22 am

Hazardous ingredients

NC-v4.1 MRc4: Material Ingredients
posted by Aleksandra Suchomska on Nov 16, 2022, 9:04 am

If a manufacturer provides an inventory of all potentially hazardous ingredients (up to 100ppm) but omits ingredients that pose no risk and does not list them, does the report qualify for Option...

Last reply: Tristan Roberts, Jun 14, 2023, 11:18 am