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STC composite value for gşazed wall

NC-v4.1 EQc9: Acoustic performance
posted by murat özdemir on May 26, 2023, 8:16 am

Hi fellow LEED experts, I am a acoustical consultant. I have a K12 project. I checked your apc table. I calculated the wall...

v4.1 Acoustic documentation

NC-v4.1 EQc9: Acoustic performance
posted by Emily Purcell on Jun 11, 2021, 11:20 am

The v4.1 credit form says, under the Sound Transmission section uploads, "Explain how the occupied spaces have been categorized in terms of use and acoustic privacy and provide documentation...

Last reply: Aparna Pradeep Kumar, Apr 14, 2023, 3:25 am

Regularly Occupied

NC-v4.1 EQc9: Acoustic performance
posted by Martha Norbeck on Jan 14, 2020, 12:42 pm

The credit language reads all "occupied spaces." Is that really the intent? Or is it all "REGULARLY occupied" spaces? 

Last reply: Dionisio Franca, Apr 5, 2023, 10:58 pm

HVAC Background Noise Measurement- must be done by Acoustic Consultant?

NC-v4.1 EQc9: Acoustic performance
posted by Eunice Chong on Feb 6, 2023, 9:59 pm

Hi fellow LEED experts, 

I have an office project which does not have an Acoustic Consultant (this is an ID project but thought I might get better luck posting it here too as it may also...

Dorm Room requirements for Reverberation

NC-v4.1 EQc9: Acoustic performance
posted by Iris Meeker on Apr 25, 2022, 11:38 am

Do University Dorm Rooms have the same requirements as Hotel/Motel 'individual rooms or suite' for the...

Last reply: Rebecca Aarons-Sydnor, Sep 1, 2022, 8:45 am

HVAC Backround Noise (Process machine Noise)

NC-v4.1 EQc9: Acoustic performance
posted by SAMY Chamy on May 16, 2022, 11:39 pm

Dear Concern,

we are working in  a manufacturing industry here the noise level from equipment is little high then office so how we get this credit additionally is this credit...

Last reply: SAMY Chamy, May 21, 2022, 3:18 am

HVAC Background Noise- sound rating methods

NC-v4.1 EQc9: Acoustic performance
posted by Iris Meeker on Apr 27, 2022, 11:55 am

For the HVAC Background Noise, do all spaces have to use the same Sound Rating Method (NC/RC,...

2 out of 3 categories... can they be mixed?

NC-v4.1 EQc9: Acoustic performance
posted by Iris Meeker on Apr 20, 2022, 2:26 pm

Only 2 of the 3 acoustic categories (HVAC Background Noise, Sound Transmission, and
...

Last reply: Adam Paul, Apr 20, 2022, 2:44 pm

2 out of 3 Categories... can they be mixed?

NC-v4.1 EQc9: Acoustic performance
posted by Iris Meeker on Apr 20, 2022, 2:22 pm

For this credit, 2 of the 3 acoustic categories (HVAC Background Noise, Sound Transmission, and
...

Last reply: Adam Paul, Apr 20, 2022, 2:41 pm

Residential Spaces

NC-v4.1 EQc9: Acoustic performance
posted by CT G on Feb 9, 2021, 2:42 pm

We are working on a high-rise multi-family residential building. In reading the LEED v4.1 requirements, references for residential spaces have been removed. We are uncertain as to how these...

Last reply: Emily Purcell, Dec 8, 2021, 1:14 pm