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Reasonable assumption for plenum ceiling

EBOM-v4.1 EQp1: Minimum Indoor Air Quality
posted by Omar Elrawy on Oct 14, 2024, 4:53 am

We have old existing office building where ducted FCU is serving all the spaces. Fresh air is dumped to the plenum (no ducts), likewise for return air, so mixing happen randomly within the...

Last reply: Andrey Kuznetsov, Oct 23, 2024, 2:12 am

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. 

I've...

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

Hi,

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

Hi

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...