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Title	Naval Architect
Name	Chris Townsend	Date	2011.07.23
Email	ct@gpai.com	AttachFile
Content	Dear Sir Madam, We are currently wking with a shipyard on the construction outfitting of two tugs. The shipyard intends to use BN BIP W-351 joiner panels f the interi outfitting of an acoustic enclosure within the main machinery space. We are going to perfm an analysis to predict the noise levels inside the acoustic enclosure, need to know the sound transmission properties of the joiner panels. Can you please provide us with Transmission Loss (TL) Sound Transmission Class (STC) data [ equivalent] f this do so that we may proceed with the analysis.