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Multispeed fan to operate at lowest setting when the space in unoccupied?

Retail-CI-v4 EAc2: Optimize Energy Performance
posted by shashank gangil on Jun 10, 2021, 9:29 pm

We recently recied following review comment for one of the retail project based in taiwan. The project is using VRF System for cooling. The VRF comes with multispeed fan.

"1. The...

Prevention through Design- BOD e OPR

Pilot-Credits IPpc93: Prevention through design
posted by Adriana Hansen on Jun 10, 2021, 5:14 pm


We are trying to get credit on a project and would like to know if the items studied for credit need to be described in the...

Fine or bulky material

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jun 10, 2021, 9:10 am

In order to specify the lighting power...

Last reply: Marcus Sheffer, Jun 10, 2021, 3:53 pm

Marking up EPDs

NC-v4.1 MRc2: Environmental Product Declarations
posted by Martha Norbeck on Jun 9, 2021, 3:51 pm

I've been dinged for not marking up EPDs, but most EPDs are secure documents that can't be annotated. Short of taking screenshots - any suggestions on how to respond to what I expect will be a...

Last reply: Emily Purcell, Jun 10, 2021, 11:30 am

Can a building going for re-certification attempt additional credits that are not performance based

EBOM-v4.1 SSc3: Light Pollution Reduction
posted by Frank Weiss on Jan 10, 2020, 8:30 pm

I understand that a building attempting re-certification is awarded 10 points for their past certification.  My question is can a building attempting re-certification using Version 4.1 also...

Last reply: Shakir Ismail, Jun 10, 2021, 11:29 am

About LEED-ND Thesis

ND-v2009 NPDc2: Compact development
posted by Mustafa Kucuk on Jun 10, 2021, 10:59 am

Hello to everyone. I am writing a thesis on LEED-ND and I need to give more information about LEED-ND. (How to get a certificate? What are the criteria and sub-titles? Etc.)Is there a site where...

On site visits required?

NC-v4 EAp1: Fundamental commissioning and verification
posted by Kasandra Martin on Jun 9, 2021, 1:21 pm

The project I am hired to commission is a day drive.  Is it possible to only review the contractors tests or is on site necessary or required?

TABLE 6.8.2B Minimum Duct Insulation

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on May 25, 2021, 6:18 am

I want to verify TABLE 6.8.2B Minimum Duct Insulation considering the thermal resistance of a cylindrical wall, which is determined according to the logarithmic equation you can see at the end of...

Last reply: Francesco Passerini, Jun 10, 2021, 9:06 am

Industry wide EPD vs. Product Specific EPD

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Caitlin Hutton on Sep 16, 2019, 3:01 pm

Hello, I am attempting to achieve option one of the MRc2 credit meaning we need a total of 20 products from 5 different manufacturers. I noticed the point calculation difference between generic...

Last reply: Bipin Karki, Jun 10, 2021, 7:28 am

Reverberation times in warehouse spaces

NC-v4.1 EQc9: Acoustic performance
posted by Jamie Dubbe on Nov 13, 2020, 9:44 am

Are reverberation times applicable to reg occupied warehouse spaces if the room type (warehouse) is not included in Table 2....

Last reply: Ken Shook, Jun 9, 2021, 5:46 pm