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[DOC File]SECTION 220529 - HANGERS AND SUPPORTS FOR …
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Floor Support for Hot Pipe Sizes 6 Inches (152.4 mm) and Over: Adjustable cast iron roll and stand, steel screws, and concrete pier or steel support. Shied for Insulated Piping 2 Inches and Smaller: 18-gauge (1.31 mm) galvanized steel shield over insulation in 180 degree segments, at least 12 inches (300 mm) long at pipe support.
12 inch diameter duct pipe

[DOC File]20 05 29 (15060) - Hangers and Supports
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.12 Insulate aluminum piping from dissimilar metal supports. 2.3 HANGER RODS.1 Provide steel hanger rods, threaded both ends, threaded one end, or continuous threaded. 2.4 DUCT HANGERS AND SUPPORTS.1 Hangers: Galvanized steel band iron or rolled angle and 10 mm rods..2 Wall Supports: Galvanized steel band iron or fabricated angle bracket.
12 inch galvanized duct pipe

[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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4.For cleaning operating room supply air duct and kitchen hood exhaust duct, locate access doors at 6 m (20 feet) intervals and at each change in duct direction. B.Openings shall be as large as feasible in small ducts, 300 mm by 300 mm (12 inch by 12 …
12 inch metal ducting

[DOCX File]SECTION 230529 - HANGARS & SUPPORTS FOR HVAC …
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Where pipe clamps are installed on insulated piping, provide 16-gauge galvanized steel protection shields, 12 inches long on both sides of insulated pipe. Band shields firmly to insulation to prevent slippage.
12 diameter stove pipe

Galvanized duct pipe 12