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Sound transmission- STC Rating- Specify

NC-v4 EQc9: Acoustic performance
posted by Stephan Zweig on Feb 14, 2019, 5:38 am

Hello Leed User community,

I am looking at the acoustic performance tool for LEED v4.

At the table for Sound transmission...

Last reply: Tracy Marquis, May 8, 2020, 12:51 pm

LEED v4 ASHRAE 90.1 Simulation- DES Option 1, Path 3. Streamlined Modeling

NC-v4 EAp2: Minimum Energy Performance
posted by Eduardo Vidal Kume on Apr 29, 2020, 7:31 am

Hi all, 

I Would like to use LEED v4 Reference Guide District Enery System, Option 1, Path 3 "Streamlined Modeling" for a Building that has both Disctric Heating and Cooling. The building...

Credit: Grid Harmonization

LEED v4.1 Discussion Forum
posted by Stephan Zweig on Jul 17, 2019, 7:08 am

Dear Leed User,

I have a question about the Grid Harmonization Credit:

If there is no...

Last reply: Konstantina Kalliakoudi, Feb 18, 2020, 2:37 am

Limits for VOC content outside US, additional questions

CS-2009 IEQc4.1: Low-emitting materials - adhesives and sealants
posted by Ernst Schriefl on Apr 17, 2019, 12:14 pm

All the limits on...

Submitting a credit during the review process which was not submitted at first application

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by Ernst Schriefl on Apr 17, 2019, 6:58 am

I have a general question regarding the review process:

Say, you have already submitted a certain amount of credits for review and received a preliminary review.

While some credits...

Last reply: Michael Smithing, Apr 17, 2019, 11:16 am

validity of LEED certificate (LEED-CS v2009); necessary period of USGBC membership

Performance Period
posted by Ernst Schriefl on Oct 1, 2018, 6:42 am

We are in the process of certifying several buildings under a campus approach (LEED Master Site D+C), where each building / project is certified unter the LEED-CS v2009 rating system.


Last reply: Trista Little, Apr 11, 2019, 9:16 pm

Are Parking areas for Buses and Taxis included in Option 2

NC-v4 SSc5: Heat Island Reduction
posted by Stephan Zweig on Feb 21, 2019, 5:46 am

Hello to all,

Do you  have any suggestion if I have to include for Option 2 of heat island  reduction credit the following:

1) Parking lots for Buses?

2) Taxis waiting areas...

Last reply: emily reese moody, Mar 12, 2019, 9:31 pm

Sewage treatment plant used as alternative water source

NC-v4 WEc2: Indoor water use reduction
posted by Stephan Zweig on Feb 13, 2019, 7:15 am

Hello to all,

My building uses water for the toilets and for the irrigation from a municipally sewage treatment plan with biological treatment.

Does this source count as...

Last reply: emily reese moody, Feb 18, 2019, 2:16 pm

Documents- which Language?

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by Ernst Schriefl on Nov 2, 2018, 7:07 am


This is maybe an obvious question but our projects are located in Austria. Therefore most of our documents are in German.

Can we sumit any documents in german or do we...

Last reply: Susann Geithner, Nov 8, 2018, 2:58 pm

Do ruderal vegetation areas count as vegetated areas or roof

CS-2009 SSc5.2: Site development - maximize open space
posted by Paul Deinhofer on Sep 21, 2016, 10:36 am

I'm working on a CS project (v2009) and I have a question concerning the definition of vegetated areas/roofs and the compliance with SSc5.2, SSc7.1, SSc7.2, etc.:
Do ruderal vegetation...

Last reply: Tristan Roberts, Jan 19, 2017, 9:12 am