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Stairwell Lighting zone

NC-v4 EAp2: Minimum Energy Performance
posted by Agata Mozer on Jan 28, 2020, 8:21 am

According to ASHRAE 90.1, section „g. Stairwell Lighting – Lighting in stairwells shall have one or more control devices to automaticcly reduce lighting power in any one controlled zone...

Last reply: Charles BerryAws55, Sep 28, 2020, 7:53 am

low-emitting insulation v4.1

NC-v4.1 EQc2: Low-emitting materials
posted by Floriana Calise on Sep 28, 2020, 4:36 am

Since v4.1 has reorganized product categories, is there a change in the "boundary" we have to look at?  "everything within the waterproofing membrane" is still a thing in v4.1 or...

Refrigerated areas

NC-v4 EQc5: Thermal comfort
posted by Ricardo Sá on Apr 16, 2019, 4:45 am

Dear All,

we are evaluating the possibility of certifying a distribution center, where 85% of the area is refrigerated for product conservation (between 0 º C and 4 ºC).

In what...

Last reply: MARIDEL TAYLAN, Sep 27, 2020, 4:26 pm

USGBC system to perform surveys

EBOM-v4.1 LTp1: Transportation Performance
posted by Hunyum Murya on Sep 24, 2020, 4:38 am

Credit says: "Transportation survey must be conducted using the USGBC system"

But the guide doesn't mention what the USGBC system is or what platforms I can use.

How can this survey...

Last reply: Hunyum Murya, Sep 27, 2020, 6:52 am

Existing Ice Machine

CI-v4 WEp1: Indoor water use reduction
posted by Michelle Rosenberger on Aug 22, 2019, 1:41 pm

The Prerequisite is pretty explicit that it only applies to newly installed fixtures. What happens if the ice machines are existing?

Last reply: Izabela Kwiecinska, Sep 27, 2020, 3:50 am

Number of eligible Innovation credits from Pilot Credits

NC-v4 INc1: Innovation
posted by Jason Garvens on Jan 15, 2018, 12:00 pm

Can anyone confirm the number of points that can be earned solely through achieving Pilot credits? 

The way I read the requirements in the Innovation section it would appear to be up to...

Last reply: Toshif Ruikar, Sep 27, 2020, 2:40 am

LEED Ceremonies at Opening Day

NC-v4.1 EAc1: Enhanced Commissioning
posted by Kath Williams on Sep 26, 2020, 1:29 pm

Is there any way under version 4.1to meet the requirements of this credit in a timely fashion so that the LEED Plaque can be awarded on the building's opening/ribbon cutting day?  Enhanced...

Off-site renewables calculated in Optimized Energy Performance in LEED v4

NC-v4 EAc2: Optimize Energy Performance
posted by Deb Favaretto on Apr 21, 2020, 3:10 pm


Under LEED v4 for BD+C NC, can we count the energy savings from off-site renewables in our Optimized Energy Performance (Option 1) calculations to potentially claim maximum 18 points...

Last reply: Jeff Ross-Bain, PE, LEED Fellow, Sep 25, 2020, 5:55 pm

Point of extraction, manufacturing, and purchase for steel?

NC-v4 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by emily reese moody on Sep 24, 2020, 9:32 pm

Need a sanity check here...

For identifying the steel extraction location, my colleagues and I swear that it was acceptable to use the mill as the point of extraction, manufacturing, and...

Last reply: Shannon Oletic, Sep 25, 2020, 1:52 pm

TR-55 availabe outside US

Pilot-Credits SSpc45: Site assessment
posted by Javier Garcia Jones on Apr 2, 2014, 5:32 am

We are working in a project that it's an extension of an existing building.
Our project is located on an almost flat plot.
We have consider all issues related to this credit...

Last reply: Jason Packer, Sep 25, 2020, 1:49 pm