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Existing plumbing fixtures within the LEED Project Boundary

CI-v4 WEp1: Indoor water use reduction
posted by Allen Cornett on May 19, 2022, 11:03 am

For WEp1 the reference guide states, "All newly installed toilets, urinals, private lavatory faucets, and showerheads that are eligible for labeling must be WaterSense labeled".  I am involved...

Last reply: Michelle Rosenberger, May 19, 2022, 12:29 pm

Remediation Requirement by the Local Authority

CS-v4 LTc3: High priority site
posted by on May 17, 2022, 8:28 am


We have a C&S Office Building project in Ireland. The project site is contaminated which is defined by Environmental Site Assessment Phase II including soil test results. The site...

Last reply: Emily Purcell, May 19, 2022, 12:28 pm

Air Testing (Ozone test method)

NC-v4.1 EQc4: Indoor air quality assessment
posted by John Smith on May 19, 2020, 2:21 pm

Greetings all.

According to the guide, the allowed test methods for ozone are:

- Monitoring device with accuracy greater than 5 ppb or reading and resolution (5 min average...

Last reply: Russ Pellegrino, May 19, 2022, 12:22 pm

TO-15 vs TO-17 test method for VOCs

NC-v4 EQc4: Indoor air quality assessment
posted by Bryna Dunn on May 19, 2022, 11:38 am

In looking at the acceptable test methods for...

Open Spaces- Turf Grass

Schools-NC-v4.1 SSc3: Open space
posted by Michael J Turner on May 19, 2022, 11:02 am

Hi there,

Does LEED turf count as the vegetation of outdoor space credit for Schools LEED V4.1 ?

Many thanks,

Data Sheet or Laboratory test report?

NC-v4 SSc5: Heat Island Reduction
posted by Samer Alhmdan on Jul 20, 2017, 8:46 am


Do we need a laboratory test report to substantiate the...

Last reply: ANCHAL AGARWAL, May 19, 2022, 1:35 am

Quality Transit- Exemplary Performance under LEED v4.1

NC-v4.1 LTc5: Access to quality transit
posted by Susan Di Giulio on May 18, 2022, 7:19 pm

Is the V4 exemplary performance path of double the max required number of trips valid under v4.1? I don't see it mentioned anywhere in the ref guide or addenda, either as existing or as having...

Innovation: WELL Features

NC-v4 INc1: Innovation
posted by Laura Charlier on May 18, 2022, 6:02 pm

This innovation only references WELL v1 features for achiement.  Since WELL v2 has been released, has any project submitted any WELL v2 features in place of the WELL v1 features listed in the...

Increased Ventilation- Strategies 5 and 6

NC-v4.1 EQc1: Enhanced indoor air quality strategies
posted by Kelli Kimura on Aug 4, 2021, 4:47 pm

Hi all,

Curious if anyone has pursued the newest v4.1 language going after six out of ten possible strategies for 2 pts and have looked at Strategies 5 and 6 for increased ventilation....

Last reply: Michelle Bombeck, May 18, 2022, 1:48 pm

Indoor Water Use Reduction Calculator for Hotels

NC-v4 WEp2: Indoor water use reduction
posted by Kyle G. Pearson on Aug 27, 2019, 11:32 am

I am working on a 5 story hotel in San Jose, California.  I'm trying to finalize the Indoor Water Use Reduction Calculator.  The water closets (4 types) have identical gpf rates, so I've left...

Last reply: ANCHAL AGARWAL, May 18, 2022, 9:44 am