We are sprinkler protecting a building with all I-Beams (W-type) and they are considered Obstructed Construction. The maximum beam depth is 20-inches. All my deflectors are 20" down from the deck.
The owner now wants to put sound panels in each of the beam pockets which will take up about 85% of the space and will hang level to the finished floor but at least 9-inches up to 19-inches down from the deck because the steel slopes.
Would additional sprinklers be needed above these sound panels?
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