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Change of space during performance period

EBOM-v4.1 EQp1: Minimum Indoor Air Quality
posted by Pulak Goyal on Dec 8, 2023, 3:12 am

I have a building going for LEED O+M v4.1 Existing Buildings Certification. 

Currently it has offices on one of the floors, but it is going to be changed into inactive storage space in the...

Big project site = more than 400m walking distance to nearest bus stop, but there is a shuttle service within the property.

NC-v4 LTc5: Access to quality transit
posted by Zirjay Villanueva on Apr 20, 2020, 3:33 am

We're working on a project with a big project site, and the nearest bus stop is more than 400m...

Last reply: Dave Hubka, Oct 31, 2023, 8:51 am

Manufacturing energy and water consumption

EBOM-v4.1 EAp3: Energy Performance
posted by Salomee Hinque on Jun 8, 2023, 11:34 pm

Dear all,

I have a manufacturing project which is LEED BD+C certified and going for recertification under LEED O+M v4.1. On the ARC platform, does the energy and the...

Last reply: Dave Hubka, Jun 13, 2023, 9:41 pm

Where to find Evapotranspiration Rates of a location?

NC-v4 WEc1: Outdoor water use reduction
posted by Zirjay Villanueva on Oct 27, 2020, 10:54 pm

In the v4_Outdoor Water Use Reduction Calculator, there is a tab where you need to key in the Monthly Rainfall and Evaportranspiration Rate (ETo) for the location of the project. 


Last reply: Priscilla Joseph, Feb 7, 2023, 2:00 am

LEED 4.1 NC Energy and Atmosphere

NC-v4.1 EAc5: Renewable energy
posted by Britt Valdez on Feb 21, 2020, 11:03 am

Hi, related to LEED 4.1 NC Energy and Atmosphere requirements: When purchasing Renewable Energy Credits (RECs) and/or carbon offsets, there is a one-year term option and a fifteen-year term...

Last reply: Marcus Sheffer, Jul 15, 2022, 11:33 am

Floor markings/signage on grass cells

NC-v4 LTc8: Green vehicles
posted by Zirjay Villanueva on Jan 21, 2022, 12:31 am


Has anyone tried putting floor markings on grass cells/pavers to indicate the reserved parking spots for...

Last reply: , Jul 14, 2022, 10:30 am

PV Degradation Losses overtime

NC-v4 EAc5: Renewable energy production
posted by Michael Keohane on Jan 19, 2021, 10:42 am


I am looking to find out if when completing PV annual output calculations for a new onsite installation that only conversion and transmission losses based the first year operation meets...

Non-continuous floors

CI-v4 MPR2: Must use reasonable LEED boundaries
posted by David Edenburn on Nov 15, 2018, 2:10 am

I have seen this question asked but not answered. We have a client who will renovate three floors of an office building; typical CI project. The issue is that they will do floors 7, 17, 18....

Last reply: Dave Hubka, Oct 24, 2020, 9:02 am

Reg: Energy Modelling Requirement Scenarios for DC under V4

Data-Centers-NC-v4 EAp2: Minimum Energy Performance
posted by Rajesh Balachander on Jun 29, 2020, 12:05 am

Hi All

Can anyone clarify me this if my understanding is right? (Reference: https://www.usgbc.org/credits/reqea1r18-0?view...

South-East Asia Alternative Compliance Path for ASHRAE 90.1-2010

Data-Centers-NC-v4 EAp2: Minimum Energy Performance
posted by dianti avo on May 27, 2020, 12:14 am


Is there any Alternative Compliance Path for ASHRAE 90.1-2010 (mandatory provision) for South-East Asia region?


Last reply: Marcus Sheffer, Jun 5, 2020, 10:19 am