Sheet metal duct construction standards

Sheet metal duct construction standards

15890DARTMOUTH COLLEGE DESIGNJanuary 3 2012 CONSTRUCTION GUIDELINES 15890METAL DUCTWORK ACCESSORIESPage 1 of 9SECTION 15890METAL DUCTWORK AND ACCESSORIESPART 1 DESIGN DIRECTIVE11 CODES AND QUALIFICATIONSAFirms regularly engaged in manufacture of metal ductwork products and accessories of types materials and sizes required whose products have been in satisfactory use in similar service for not less than 3 yearsBDuct Leakage Test ManualCd for Ventilation Control and Fire Protection Source: Sheet metal duct construction standards

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