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Equations and calc methods

EBOM-v4.1 WEc1: Water Performance
posted by Ricardo Filho on Feb 21, 2023, 4:55 am

hi all, 

I am doing some research on the LEED v4.1 O+M and I came across some questions regarding this credit. Anyone has any idea about possible answers?

Water efficiency...

Last reply: Summer Minchew, Apr 5, 2023, 9:50 am

Equations and calc methods

EBOM-v4.1 EAp3: Energy Performance
posted by Ricardo Filho on Feb 21, 2023, 5:01 am

I am doing some research on LEED v4.1 O+M and I have a number of questions.
I am going to post them here (I know it is a lot) hoping someone knows the answer for a few of them, maybe.


IAQp1 Compliance Method for Naturally Ventilated Rooms/Buildings in Europe

EBOM-v4 EQp1: Minimum indoor air quality performance
posted by Chenlu Li on Feb 16, 2023, 4:43 am


We are currently working on few new and existing buildings in Ireland. These buildings have either natural ventilation or mixed ventilation (natural vent + mechanical vent) ...

ASHRAE 90.1 Space by Space Method- Office, Enclosed or Open Plan

NC-v4.1 EAp2: Minimum Energy Performance
posted by Chenlu Li on Nov 30, 2022, 7:36 am

Hi all,

I have been working on the LEED energy model for an office building. There are different sizes of the offices in the building. It would be appreciated that anyone can let...

Last reply: Chenlu Li, Dec 14, 2022, 10:59 am

Bicycle short term storage- on public footpath

CI-v4.1 LTc4: Bicycle facilities
posted by Aparna Pradeep Kumar on Feb 9, 2022, 9:40 am

The project provides enough long term secured bicycle storage spaces in the basement.

Can the public bike racks on the footpath directly in front of the building main entrance meet the...

Last reply: Eunice Chong, Dec 5, 2022, 6:51 am

Skip Construction Final Review with Pending credit

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by Aparna Pradeep Kumar on Nov 24, 2022, 12:03 pm

We just received the Preliminary Construction Review Report from LEED and are happy to accept the results of the preliminary review as final. Unfortunatly the Pilot credit worth 1 point is...

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

EU Special Area of Conservation- ACP?

NC-2009 SSc5.1: Site development - protect or restore habitat
posted by Devyn Olson Sawyer on Jun 28, 2017, 2:21 pm

Our project is located in the west of Ireland. The project is a warehouse extension (a single LEED project) on an existing commercial campus, and the entire campus is the same owner/occupier....

Last reply: Barry O'Sullivan, Aug 10, 2021, 3:53 am

Green Power Five Year Contracts

NC-v4 EAc7: Green power and carbon offsets
posted by Sean Hogan on Feb 28, 2017, 7:14 am

I work for a corporate client seeking the...

Last reply: Karen Joslin, May 19, 2021, 4:35 pm

Total project paving area

CS-v4 SSc5: Heat Island Reduction
posted by Shane Doyle on Aug 31, 2020, 12:56 pm


I am just looking for some guidance please in relation to the credit upload form for the Heat Island Reduction credit.

In the form section "Summary of Heat Island Reduction...

Last reply: britany weel, May 10, 2021, 3:57 pm