We are finishing up reporting on a school addition, and I have a few questions about the template. We are using the "calculation" option for both reverberation time and stc. In the stc spreadsheet, do you simply leave empty the cells that are n/a? I have the template filled out as complete as seems relevant, but the final page of the template does not show the point to be documented. So I am wondering if I am not filling out the blanks properly. Also the project has a library on the first level and classrooms above. There is no stc adjacency for these two types of spaces (I assume a library is not included because it is a quiet space by nature), so I assume it is not relevant then? Lastly, the library is quite large and falls outside the reverberation volume sizes in the template, does this mean it does not need to be included because of its size and/or type of use?
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Daniel Hicks
Daniel Hicks, E.I., INCEGeiler & Associates
267 thumbs up
September 30, 2011 - 11:56 am
Hi Keelan:
This response is very deliquent (sorry about that).
Fill out the STC tables as complete as possible. Make sure to include roof, floor/ceiling, and exterior wall assemblies. I'm not sure why the template doesn't show the point documented.
A library is considered a core learning space, so treat the floor/ceiling adjacency as a learning space to learning space situation.
If the library (being a core learning space) is greater than 20,000 cu. ft. the reverberation time would need to be 1.5 seconds or less. You can use the RT calculation spreadsheet in the template to calculate this.
Sorry again for the delayed response. For some reason I've stopped receiving notification of questions.