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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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Data-Centers-NC-v4 EQc9:Acoustic performance

Acoustic performance

How to calculate composite STC for a room?

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Daniel Hicks
Daniel Hicks, E.I., INCE
Geiler & Associates
LEEDuser Basic Member
175 thumbs up

Wed, 04/13/2016 - 16:05

Do you have access to standard ANSI S12.60? There is Table D.2 that is helpful for finding composite STC ratings. Unfortunately, that is the only resource I know of that I can point you to other than an acoustical consultant who can make the calculation for you.

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