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Specifications - City of Montpelier, Vermont

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Title:<strong>Montpelier</strong> District Heating<strong>City</strong> <strong>of</strong> <strong>Montpelier</strong>, VT15891 – Metal Ductwork & AccessoriesIssue Date:September 28, 2012Page #:13 <strong>of</strong> 19link.5. All dampers must be dynamic rated for design class <strong>of</strong> the duct system andthe air flow.B. Manufacturers: Subject to compliance with requirements, provide fire andfire/smoke dampers <strong>of</strong> one <strong>of</strong> the following:1. Air Balance, Inc.2. American Warming & Ventilating, Inc.3. Greenheck Fan Corp.4. Ruskin Mfg. Co.5. Prefco Air Control, Inc.METAL DUCTWORK AND ACCESSORIES 15891 13

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