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Multilevel lighting control

NC-v4.1 EQc6: Interior lighting
posted by Michael on Jun 26, 2022, 11:55 pm

I have 10 lighting fixtures in an office space, and the architect is providing 3 on-off switches:

- switch 1, on-off 5 lightings (50% of lighting numbers)

- switch 2, on-off 2...

Last reply: Karen Joslin, Dec 18, 2023, 12:51 pm

Systems Unable to Meet Required Outdoor Airflow Rates

EBOM-v4.1 EQp1: Minimum Indoor Air Quality
posted by Dang Thi on May 20, 2020, 12:23 am

I have a question,  compare to LEED v4...

Last reply: Gustavo De las Heras Izquierdo, Sep 28, 2023, 10:51 am

VOC content for Insulation foam rolls with self adhesive.

NC-v4.1 EQc2: Low-emitting materials
posted by Ngo Ha on Dec 16, 2020, 4:33 am

Hi All,
I am currently working on 1 certified LEED project.
the contractor/Supplier submitted Plastic and Rubber Insulation rolls with self-adhesive. (All these coating processes has...

Last reply: Ralph Bicknese, Sep 1, 2023, 11:04 am

Can New Construction project use requirement of Warehouse and Distribution center to count point?

NC-v4 LTc4: Surrounding density and diverse uses
posted by Michael on Jan 10, 2023, 6:16 am

Hi LEED expert, my project is a manufacturing plant with a warehouse. The warehouse accounts for 46% of the total GFA. The project will be registered under New Construction. For this credit...

Does LEED require a third-party to verify the LCA report?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Michael on Aug 18, 2022, 5:52 am

My project is using One Click software to do LCA report. I would like to ask if LEED requires an independent professional (from One Click for example) to verify our LCA report before we submit it...

Last reply: Sagar Siripuram, Nov 8, 2022, 1:37 am

Is it ok if we choose CO2 Sensors with fixed default setpoints from the manufacturer?

NC-v4 EQc1: Enhanced indoor air quality strategies
posted by ed HvacSimulator on Nov 6, 2022, 10:00 pm


We are following Leed V4 for New Construction. 

It is difficult to find the CO2 sensors for crowded...

Indoor Water Use Reduction Calculator v4.0

NC-v4.1 WEp2: Indoor water use reduction
posted by Dung Bui on Sep 4, 2019, 11:05 pm

Hi everyone,

I'm currently working on the credit Indoor Water Use Reduction (Calculator 4.0 excel sheet) and have a question concerning fixture's design flow rate.

The fixtures used...

Last reply: emily reese moody, Oct 17, 2022, 12:50 pm

Problem with Rainfall Event Calculator

NC-v4 SSc4: Rainwater management
posted by Timothy Ian Middleton on Oct 5, 2022, 4:29 am

We have just realised that the percentile value given by the LEED Rainfall Event Calculator (https://www.usgbc.org/...

Last reply: Gustavo De las Heras Izquierdo, Oct 5, 2022, 1:03 pm

Green area reserved for future building development

NC-v4.1 SSc2: Protect or Restore Habitat
posted by Michael on Aug 29, 2022, 1:50 pm

My project has 2 phases of development. Currently, we only apply LEED for phase 1. There is a big greenery area, reserved for future building in phase 2. Can we count this greenery area as a...

Last reply: Kimiko Marinacci, Sep 21, 2022, 2:52 pm

Standard for the baseline of the cold storage in a factory

NC-v4.1 EAp2: Minimum Energy Performance
posted by Michael on Sep 11, 2022, 1:40 pm

My factory project has cold storage (10oC) and a freezer (-13oC). For the factory, we use ASHRAE 90.1-2016 as normal but for the cold storage and freezer, what is the standard to set up the...

Last reply: Marcus Sheffer, Sep 12, 2022, 7:13 pm