Transcription of Duct Construction Standards
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I I I I I II. IIII II. II I. II A RD INDU I I. W S.. I. II. II. TR . 7 th . III.. IIIIIIIIII.. DU. IES . IIIIIIIIIII. CT CON.. Rev isio S. n*.. III. RD. ST.. R . I. II. A. UC D. II. TIO N S T A N. I. II. II II. II IIII. IIIIIII. * Revised to be in compliance with SMACNA HVAC. Duct Construction Standards , 2nd ed., 1995. Duct Construction Standards For Positive & Negative Static Pressures And Submittal Data Engineering Specifications PROJECT SUBMITTED BY. LOCATION. CONSULTANTS TO THE SHEET METAL INDUSTRY. ENGINEER DATE. 111 Riverview Drive Monessen, PA 15062 (724) 684-5500 1-800-466-9374 FAX (724) 684-8697 COPYRIGHT 1998.
Construction Class A All transverse joints, longitudinal seams and duct wall penetrations All transverse joints and longitudinal seams Transverse Joint B C 4” w.g. and up 3” w.g. 2” w.g. In addition to the above, any variable air volume system duct of 1” and 1/2” w.g. construction class that is upstream of the VAV boxes shall meet ...
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