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Are we required to have an acoustical consultant in order to attempt this credit?

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Our project has small meeting rooms in an open-office plan. This situation appears to require an STC of 50. However, this level seems to be (unrealistically) high, especially considering the doors in the wall partition. STC 50 with a (closed) wall can be

Sound transmission requirements for adjacency combinations are listed in Reference Guide Table 1, but not all combinations are included. For example, an STC rating requirement is not provided for conference room and standard/executive office adjacency. Is

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NC-v4 EQc9:Acoustic performance

Acoustic performance: reverberation time

Hi, we have a project with large waiting rooms: are there specific values for "Reverberation time requirements", as there are not similar room type in the table 2 of reference guide? Thanks

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Tue, 09/26/2023 - 14:25

Hi did you ever get a reply on that ? 

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