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Carbon emission for Electrical Energy and Natural gas

NC-v4.1 EAc2: Optimize Energy Performance
posted by SAMY Chamy on Jun 30, 2022, 8:57 am

Dear Concern

Our project is located in Bangladesh and we are looking for carbon emissions per unit of electricity production and 1 m3 of natural gas usage.

In a Global...

Option 1- what is the maximum number of cycles

NC-v4.1 WEc3: Optimize Process Water Use
posted by Michael on Jun 27, 2022, 11:38 am

The guideline said to maximize the number of cycles by not exceeding the maximum concentration level. However, it's unclear what is the maximum cycle numbers that LEED is looking for. In LEED v4...

Last reply: Maeve Donohue, Jun 28, 2022, 12:53 pm

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: Michael, Jun 27, 2022, 11:16 pm

RECs- projects outside the U.S.

NC-v4 EAc7: Green power and carbon offsets
posted by Camila Rossini on Jun 23, 2022, 12:33 am

Could anyone help me verfify if the following understandig is correct? Tks!

"According to the LEED Reference Guide for Building Design and Construction, LEED v4, Edition August 2020, non-U...

Last reply: Marcus Sheffer, Jun 24, 2022, 3:10 pm

Indoor Water Usage Prerequisite Requirements

CI-v4 WEp1: Indoor water use reduction
posted by rakesh bhatia on Aug 12, 2020, 3:41 am

In the reference guide of LEED ID+C V4,  it is mentioned under prerequisite  the newly installed plumbing fixtures must be according to the Table 6 flow rates. The % savings must be shown for...

Last reply: emily reese moody, Jun 15, 2022, 5:29 pm

R32 Refrigerant

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Yodi Danusastro on Jan 24, 2018, 1:23 pm

Hi all. In the LEED form, the R32 refrigerant is not on the list. How to put it in form? Since its HFC refrigerant, the closest one is R410A, but R32 has better...

Last reply: Maria Nambo, Jun 13, 2022, 6:00 pm

Do off-street parking facilities that are not surface-parking require carpool or car-sharing parking

ND-Plan-v4 NPDc5: Reduced parking footprint
posted by Pongpitch J. on Jun 8, 2022, 12:38 am


Our project does not have any surface parking (outdoor lots or single-story parking facilities not under habitable buildings). The project does not have any existing parking facilities...

Not enough parking space within a 60-meter range of the entrances to fit all preferred parking

ND-Plan-v4 NPDc5: Reduced parking footprint
posted by Pongpitch J. on Jun 8, 2022, 12:41 am


The project plans to provide 10% carpool and shared-use vehicle parking; however, only some of the preferred parking can fit into the available lots within a 60-meter range of...

Tenant doesn't install water fixtures- can automatically get 1 point for Option 1- water analysis?

CI-v4 IPc1: Integrative process
posted by Michael on May 12, 2022, 1:15 pm

Hi, My project is interior retail, and they don't install any sanitaryware fixtures in tenant scope. In IP credit, option 1, LEED asked to assess the water fixtures according to WE pre Indoor...

Last reply: emily reese moody, May 13, 2022, 6:14 pm

Who can supply Potable water analysis results?

NC-v4 WEc3: Cooling tower water use
posted by ed HvacSimulator on Apr 17, 2022, 10:44 pm


We are performing the credit Cooling Tower Water Use and our MEP contractor can supply the Potable water analysis results. Is this possible because we only read "...

Last reply: Maeve Donohue, May 5, 2022, 12:18 pm