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Selecting the HVAC system

NC-2009 EAp2: Minimum Energy Performance
posted by Madushan Samarakoon on May 15, 2019, 6:29 am

Hi there,

I am working in a LEED project of a 12-story (2 are below ground car parks) City Hotel project with approx. 12000 sqft per floor.

I have selected Baseline HVAC system as...

Last reply: Madushan Samarakoon , May 15, 2019, 11:26 pm

How many times can 1 (one) Industry-Wide EPD contribute?

CS-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Estra Marku on May 15, 2019, 5:47 pm

Hoping someone can help us understand the BPDO-Environmental Product Disclosure credit for Industry-Wide EPDs.

Our team received an Industry-Wide EPD for Fabricated Hot-Rolled Structural...

U.S. Department of Energy’s (CBECS) database- data on the website

CI-v4 EAc6: Green power and carbon offsets
posted by Karen Elliott on May 13, 2019, 4:51 am

Dear All

We used prescriptive option on Minimum Energy Performance, so looking to calculate out energy use via U.S. Department of Energy’s Commercial Buildings Energy Consumption Survey (...

Last reply: Karen Elliott, May 15, 2019, 4:22 pm

Option 1 Requirements

NC-v4 EQc1: Enhanced indoor air quality strategies
posted by Yodi Danusastro on May 10, 2019, 7:15 am

Do we have to meet all the requirement in Option 1 as in mechanically ventilated spaces: A.the Entryway system strategy, B. Interior-cross-contamination prevention, and C. Filtration (...

Last reply: Bipin Karki, May 15, 2019, 2:13 pm

Energy Model Approach- Central Plant serving the Project Space

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Amal Venugopal on May 14, 2019, 6:08 am

Dear All,

I am doing the Energy Model for one of CI Project considering the ASHRAE 90.1.2007 Appendix G - Performance rating method....

Last reply: Marcus Sheffer, May 15, 2019, 11:43 am

Register a new project under LEED BD+c v4.0 Or LEED BD+c v4.1

LEED v4.1 Discussion Forum
posted by Ahmed El Attar on May 11, 2019, 2:54 am

I am about to register for a new project. I was going to register it under LEED BD+c v4.0 but it seems that v4.1 is also available, so i don't know which to choose, bearing in mind that there is...

Last reply: Dustin Norton, May 15, 2019, 11:24 am

Addition to an existing airport terminal

NC-v4 MPR2: Must use reasonable LEED boundaries
posted by Ricardo Sá on May 15, 2019, 9:56 am

Dear All,

One of our clients is considering the possibility of certifying an addition to an existing airport terminal and asked us to perform a preliminary...

Last reply: Summer Minchew, May 15, 2019, 10:34 am

How to design Evaporative cooling system on eQUEST

NC-v4.1 EAp2: Minimum Energy Performance
posted by TARUN SACHDEVA on May 15, 2019, 1:51 am


I'm doing one project on e QUEST in which Evaporative cooling has proposed for the project. 

Can i get the information by which i can design evaporative cooling system...

IP Worksheet- Very confusing language

NC-v4 IPc1: Integrative process
posted by Maria Grimm on Jan 23, 2019, 2:55 pm

I'm working on a project where we completed a very thorough IP analysis during concept design. I am finding now, however, that filling out the IP worksheet is extremely painful due to very...

Last reply: Shabari Shaily Gerber, May 15, 2019, 8:22 am

Counting diverse use categories.

NC-v4 LTc4: Surrounding density and diverse uses
posted by Keith Robertson on Apr 19, 2019, 9:20 am

The reference guide states that "The counted uses must represent at least three of the five categories, exclusive of the building’s primary use."

Our reviewer has interpreted that to mean...

Last reply: Bipin Karki, May 15, 2019, 8:00 am