What is the minimum transmission loss

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Reference no: EM133345007

1. What is the minimum Transmission Loss (TL) for a 40' by 10' high demising wall that separates an office from an apartment, required to provide for a minimum Noise Reduction of 45dB across it, when a noise of intensity IL1 of 80 dB from the apartment enters into the office space which has a total of 200 Sabins of absorption?

2. An office of dimensions 20' x 20' x 10' high requires a maximum reverberation time of 0.9 seconds. What is the minimum total absorption required within the office space?

Reference no: EM133345007

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