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Nonattainment area for PM2.5

EBOM-v4.1 EQp1: Minimum Indoor Air Quality
posted by Sarah Birchall on Sep 2, 2020, 12:43 pm

How do I find out if my project (which is located in the UK) is in a nonattainment area for fine particulate matter (PM2.5)?

Can I use a mezzanine in MRF to add floor area?

CS-v4 MRp1: Storage and Collection of Recyclables
posted by Van Jomel Garcia on Sep 2, 2020, 5:15 am

I have a question regarding MRF, the minimum size calculated for the MRF is 47 sqm. Now, my project relocates their MRF in an area below the minimum size we reuire, their new area is 44 sqm. Can...

Is documentation of NO contract required?

Pilot-Credits SSpc129: Comprehensive Composting
posted by Annalise Dum on Sep 1, 2020, 4:15 pm

Hi all,

Is documentation that no contract is required from the hauler required as proof for this credit?

We pursued this credit for a previous project and the...


NC-2009 IEQc7.1: Thermal comfort - design
posted by Jens Apel on Apr 3, 2014, 9:01 am

I am happy that LEED is accepting ISO 7730 and EN 15251 as alternative to ASHRAE 55. My problem is that there are no single requirements in these standards but examples / recommendations for...

Last reply: Audrey LEDESERT, Sep 2, 2020, 2:58 am

Below grade levels or partially below grade

Healthcare-v4 EQc8: Quality Views
posted by Mauricio Toro on Sep 1, 2020, 10:01 am

The LEED guide in the perimeter area explanation section says:  "Below-grade walls with areaways and walls that abut adjacent buildings are excluded". I have some questions about this statement...

Future Deveopment Affecting Open Space

NC-v4 SSc3: Open space
posted by Hashir Usman on Sep 1, 2020, 9:19 am

Greetings everybody,

We have a campus project. There are different phases of construction in the same campus boundary. We are working on the current phase lets say Phase A, and it has...

Alignment with WELL v2

Pilot-Credits EQpc44: Ergonomics approach for computer users
posted by Kristen Magnuson on Aug 31, 2020, 3:30 pm

Has anyone successfuly aligned the WELL v2 Enhanced Ergonomic requirements and the LEED pilot credit into a single cohesive policy?

California Energy Wise Calculators

Retail-CI-v4 EAp2: Minimum Energy Performance
posted by Cynthia Kaplan on Aug 20, 2020, 7:06 pm

We are renovating a university dining facility that is within a dorm. The Minimum Energy Retail Calculator includes a table for kitchen equipment, with a link to the California Energy Wise...

Last reply: Tyler Thumma, Aug 31, 2020, 3:01 pm

v4.1 Interpretation- Are spaces required to be "preferred"?

NC-v4.1 LTc8: Electric Vehicles
posted by Brian Salazar on Aug 31, 2020, 12:19 pm

Hello!  I asked this question under v4.1 Schools, but this side of the world seems better traveled.  

Do EV charging spaces (or infrastructure) for v4.1 (options 1 or 2) have to be in...

Last reply: Brian Salazar, Aug 31, 2020, 2:46 pm

Total project paving area

CS-v4 SSc5: Heat Island Reduction
posted by Shane Doyle on Aug 31, 2020, 12:56 pm


I am just looking for some guidance please in relation to the credit upload form for the Heat Island Reduction credit.

In the form section "Summary of Heat Island Reduction...