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04-07-21 Planning Commission
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04-07-21 Planning Commission
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4/2/2021 2:30:25 PM
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4/2/2021 2:24:59 PM
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<br /> <br /> <br />February 5, 2021 <br /> <br /> <br />Mr. Jeff Hejl <br />Boston Scientific Corporation <br />14 Innovation Way <br />Arden Hills, Minnesota <br /> <br /> <br />Subject: Summary Report for <br /> Building 14 Expansion – Chiller Noise Control <br /> Boston Scientific – Arden Hills, Minnesota <br /> <br /> <br />Dear Mr. Hejl: <br />This letter is a summary on chiller noise control for the Building 14 Expansion project at <br />Boston Scientific in Arden Hills, Minnesota. Air-cooled chillers will be on the roof of the <br />addition and there are residential neighborhoods to the north and east of the building. Our <br />work involved measuring the existing noise in the area and calculating future noise from the <br />proposed chillers. The noise was compared to the State of Minnesota MPCA noise <br />requirements. <br />Figure 1 shows a layout of the site with the new addition on the south side of Building 14. <br /> <br />Figure 1 – BSC site showing the Building 14 addition and measurement locations. <br /> $WWDFKPHQW*
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