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opaque building envelope construction

NC-v4 EAp2: Minimum Energy Performance
posted by Ahmed El-Semary on Sep 12, 2017, 11:00 am

i need to know what is required to be filled exactly in roof construction and whatis meant by building ID ??

do you mean that i should enter all the zones below the roof and whether if it...

Last reply: Marcus Sheffer, Sep 18, 2017, 9:25 am

LEED NC (BD+C)- High Rise Residential Building- CO monitoring

NC-v4 EQp1: Minimum indoor air quality performance
posted by Srinivasan M on Oct 1, 2017, 9:46 am


We are working on a high rise residential building, which is 100% mechanically ventillated. we have incorporated all requirements in our design to meet the...

Last reply: Asa Foss, Sep 9, 2019, 4:16 pm

Option 3- Core Performance Guide???

NC-v4 EAp2: Minimum Energy Performance
posted by Erica Downs on Oct 10, 2017, 11:26 am

The prescriptive path under Option 3 still references the "Advanced Buildings Core Performance Guide".  However, this guide has been "sunset" by NBI and no longer exists.  Typical.  


Last reply: Erica Downs, Oct 10, 2017, 3:45 pm

Is it mandatory to fill v4_Minimum Energy Performance Calculator_v05 sheet?

NC-v4 EAp2: Minimum Energy Performance
posted by SAMY Chamy on Oct 12, 2017, 6:41 am

Dear All:-

It is very difficult to fill this sheet (v4_Minimum Energy Performance Calculator_v05 ) additionlly we  are providing revised section 1.4 table and energy modeling...

Last reply: Ehab Foda, Sep 13, 2022, 10:22 am

Option A: Luminance, UGR is working?

NC-v4 EQc6: Interior lighting
posted by Marius Dabonneville on Nov 13, 2017, 5:43 am

Hi everyone, 

We're actually working on a project in France. Lighting system suppliers only give us the Photometric curv in cd/klm and no in cd/m². The EN 12464 defines luminance with UGR...

Last reply: Alberto Barbera, Jun 30, 2021, 3:05 am

Entryway systems

NC-v4 EQc2: Low-emitting materials
posted by Charline SEYTIER on Nov 20, 2017, 1:16 pm

Hello everyone,

Are entryway systems included in flooring category? It is unclear in the reference guide. Thanks!!

Last reply: Christine Chow, Jan 29, 2019, 12:30 pm


NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Bill Freeman on Dec 18, 2017, 4:02 pm

Can you tell me how many ingredients in building products have completed the Greenscreen analysis process and where a list of these reports can be found which would include the Benchmark assigned...

Last reply: Tristan Roberts, Jan 7, 2019, 8:36 am

Locally sourced rebar

NC-v4 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Michelle Rosenberger on Jan 3, 2018, 2:26 pm

We are struggling to understand the new constraints on locally sourced products and how this new credit encourages any local sourcing at all. Nothing locally sourced earns any credit unless it...

Last reply: Michelle Rosenberger, Jan 26, 2018, 10:03 am

Client (a police facility) has no fleet Green vehicles. They do have sufficient public parking to implement this credit.

NC-v4 LTc8: Green vehicles
posted by Lawrence Lile on Jan 11, 2018, 1:42 pm

This police facility has a secure area for police cruisers, SWAT vehicles, and so on.  None of the fleet vehicles are Green vehicles. (Police cruisers are essentially racecars, as you might...

Last reply: Dionisio Franca, Jan 11, 2018, 9:09 pm

Solar energy production

NC-v4 EAc5: Renewable energy production
posted by Nithya Madan on Jan 16, 2018, 3:28 pm

Scenario 1 - Is solar energy produced inside the campus but outside of the project boundary considered towards the credit?

Scenario 2 - If yes to 1 , could this be considered for...

Last reply: Marcus Sheffer, Nov 19, 2019, 4:02 pm