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Permit 14857 at 99 Hayden Avenue, Lexington, MA, 02421
Issue Date
08/21/17
Type
Permit
Docnumber
14857
County
Middlesex County
Description
Selective demo of existing ductwork. Supply and exhaust ductwork modifications to feed new lab layout terminating in fan powered HEPA diffusers and exhaust grilles. Provide and install three (3) new ductless split systems for supplemental cooling in lab and clean room expansion.
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