Log in
Forum » NC-v4 EQc9

Applicability to Airport Terminals

NC-v4 EQc9: Acoustic performance
posted by Allan Robles on Oct 31, 2018, 4:32 pm

Hello LEEDuser community, 

We are working on a project for an airport, which has some atypical occupied spaces including Departure and Arrivals areas and Security Checkpoints. For project...

Last reply: Sara Greenwood, Oct 23, 2019, 4:03 pm

All occupied spaces

NC-v4 EQc9: Acoustic performance
posted by Maki Watanabe on Oct 9, 2019, 5:20 am

Hi LEED exparts,

All occupied spaces, not only regularly occupied spaces are required to meet requirements, according to the reference guide page 757. It is very stringent to follow that...

dB & STC

NC-v4 EQc9: Acoustic performance
posted by Helena Garcia on Sep 14, 2016, 6:28 am

I'm working with a Spain Project. Spain doesn't use...

Last reply: Helena Garcia, Feb 27, 2019, 10:09 am

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...

Alternative Compliance Path to achieve Acoustic Credit

NC-v4 EQc9: Acoustic performance
posted by Wioletta Simlat on Mar 4, 2015, 5:24 am

Do you know if there is alternative path to achieve EQ Credit 9 outside the US? I'm working with a Project in Germany and we have a probem with Sound Transmission. German Standards does not use...

Last reply: Lise Dannesboe, Nov 13, 2018, 6:10 am

Acoustic Consultant

NC-v4 EQc9: Acoustic performance
posted by Cora Kenrick on Oct 5, 2018, 1:57 pm

I just want to clarify that it is not a requirement to have an acoustic consultant for this credit?

Thanks for the help.

Last reply: Ken Shook, Oct 11, 2018, 4:28 pm

Schools criteria

NC-v4 EQc9: Acoustic performance
posted by Norma Lehman on Sep 18, 2018, 3:19 am

Ken Shook Partner Longman Lindsey LEEDuser Expert September 24, 2018- 11:39 am This is more of a question regarding the appropriate rating system for your project. I think you should ask the question of one of the other experts on the forum. Our understanding is the LFS applies to K-12 only. Log in or register to post comments ...

Last reply: Ken Shook, Sep 24, 2018, 11:39 am

the meaning of "office" in office/hallway adjacency combinations

NC-v4 EQc9: Acoustic performance
posted by Agata Mozer on Aug 1, 2018, 6:20 am


I would be very grateful for explaining the type of space named „office” in the table 1 in the reference guide (page 758) in office/hallway adjacency combination. Is it regular...

Last reply: Jill Kurtz, Aug 16, 2018, 11:49 am

Sound Isolation for Regularly Occupied space next to an Electrical room

NC-v4 EQc9: Acoustic performance
posted by Jill Kurtz on Mar 30, 2018, 10:43 am

If I have an conference room (occupied area) next to an electrical room, do I... 1) need to classify that electrical room as a "mechanical room" in the Sound Isolation Requirements or 2) do not...

Last reply: Ken Shook, Aug 8, 2018, 9:49 am

STC ratings of standard materials?

NC-v4 EQc9: Acoustic performance
posted by Erin Holdenried on Jun 25, 2018, 6:03 pm

Hello - Is there a resource available with published...

Last reply: Ken Shook, Jun 28, 2018, 1:32 pm