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Minimum Airquality Performance Mechanical Ventilation of Staircase and Elevator Landing

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Emanuele Contaldo on May 7, 2025, 10:28 am

Hi everyone and thanks in advance for your attention and support.
I am following the design of a manufacturing building, inside the building there are two pressurized elevator and stariwell...

Water metering of DHW in relation to Janitor's sink

NC-v4 WEc4: Water metering
posted by R Jones on Mar 19, 2025, 5:15 am

Hi LEED Users/Experts/Fellows,

I have a small office building under LEED-NC-v4.0 and I am dealing with water metering of end-uses. We selected domestic-hot-water (...

Last reply: R Jones, Mar 20, 2025, 8:23 am

ASHRAE 90.1 requirements

NC-v4 EAp2: Minimum Energy Performance
posted by Guillaume Rose on Oct 1, 2019, 5:28 am

Hi, 

I work on a Core & Shell project based in Paris and i have a question about ASHRAE 90.1 Standards, and more especially on the possibility to derogate to certain requirements. On...

Last reply: Marcus Sheffer, Mar 11, 2025, 9:57 am

Guidance on Green Wall Irrigation Requirements

Data-Centers-NC-v4 WEc1: Outdoor water use reduction
posted by Venkatkrishnan Ashok on Dec 10, 2024, 11:58 am

Hello,

We are proposing a green wall for our project, which will require irrigation and must adhere to the guidelines outlined in Option 2 of this credit. However, we were unable to locate...

Last reply: Quantity Takeoff, Jan 7, 2025, 12:43 am

Additional minimum requirement

Data-Centers-NC-v4.1 EAp2: Minimum Energy Performance
posted by Luis Andrade on Dec 9, 2024, 9:40 am

Hi everyone,

We're performing a LEED V4.1 Datacentre certification. LEED V4 stated that in addition to all "regular" minimum requirements, the project should also achieve "(...) a minimum...

Last reply: Marcus Sheffer, Dec 13, 2024, 8:41 am

LCA for only furniture, is it possible?

CI-v4.1 MRc2: Interiors life-cycle impact reduction
posted by Eslam Ahmed on Oct 9, 2024, 3:53 pm

We are currently working on a LEED ID+C certification project. It involves a rental space where our customer is just the tenant, who will take over the space fully finished. He is only...

Last reply: Eslam Ahmed, Oct 25, 2024, 5:42 am

Detaining the rainwater runoff-an accepted solution?

NC-v4 SSc4: Rainwater management
posted by Florian Schmidtchen on Dec 8, 2016, 6:13 am

Dear all,
In our project we are planning to follow option 1 path 2. Therefor we provide underground-trench systems and a technical ditch on our project site, which gets inserted creatively...

Last reply: Andrey Kuznetsov, Oct 23, 2024, 1:59 am

Baseline parking for a DATACENTER

NC-v4 LTc7: Reduced parking footprint
posted by Marion THIBAULT on Jun 23, 2020, 12:10 pm

Hi everyone,

I'm working on a DATACENTER project, and I can't find the baseline parking capacity for this type of building. It is not included in the "TABLE 1 - Base Ratios for parking...

Last reply: Gioia Connell, Oct 16, 2024, 12:34 pm

ventilation of corridors and elevator ante rooms

EBOM-v4 EQp1: Minimum indoor air quality performance
posted by Arwid Theuer-Kock on Oct 27, 2022, 4:54 am

Hi all,

we have an existing building in Germany where the corridors and elevator ante rooms are not ventilated mechanically. In addition there are also no windows for natural ventilation...

Last reply: Daniele De Angelis, Oct 1, 2024, 7:21 am

SRI for a GREENHOUSE

CS-v4 SSc5: Heat Island Reduction
posted by Marion THIBAULT on May 15, 2020, 10:00 am

Hello everyone, I'm working on a project that plans to integrate a greenhouse. I wonder how to consider the roof of the greenhouse for the...

Last reply: Andrey Kuznetsov, Sep 9, 2024, 9:59 pm