12 inch galvanized duct pipe
[DOCX File]SECTION 230529 - HANGARS & SUPPORTS FOR HVAC PIPING …
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Piping less than 4-inch pipe size may be supported from or by prefabricated roll-formed channels as specified in this section with necessary accessories to adequately support piping system. Supports and Accessories: Preformed roll-formed channels and accessories with matching compatible accessories as shown, as specified, and as required ...
[DOC File]SECTION 260543 - UNDERGROUND DUCTS AND RACEWAYS …
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Warning Planks: Bury warning planks approximately 12 inches above direct-buried ducts and duct banks, placing them 24 inches o.c. Align planks along the width and along the centerline of duct bank. Provide an additional plank for each 12-inch increment of duct-bank width over a nominal 18 inches. Space additional planks 12 inches apart ...
[DOCX File]Section 23 22 13 - STEAM AND CONDENSATE HEATING PIPING
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15 mm (1/2 inch) wide fiberglass reinforced pressure sensitive cloth tape to fasten cable to pipe at 300 mm (12 inch) intervals. Pipe surface temperature control thermostat: Cast aluminum, NEMA 4 (watertight) enclosure, 15 mm (1/2 inch) NPT conduit hub, SPST switch rated 20 amps at …
[DOC File]SECTION 15820 - DUCT ACCESSORIES
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Roll-Formed Steel Blades: 0.064-inch- thick, galvanized sheet steel. Blade Axles: Galvanized steel. Bearings: Oil-impregnated bronze . Tie Bars and Brackets: Galvanized steel. Jackshaft: 1-inch- diameter, galvanized-steel pipe rotating within pipe-bearing assembly mounted on supports at each mullion and at each end of multiple-damper assemblies.
[DOC File]SECTION 210529 - HANGERS AND SUPPORTS FOR FIRE …
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Hangers for Pipe Sizes ½ (12.7 mm) to 1-1/2 Inch (38 mm): Carbon steel, adjustable swivel ring, UL listed, Grinnell Fig. 69 or equal. Use plastic coated hangers at all uninsulated copper piping. Hangers for Pipe Sizes 2 Inches (50.8 mm) and Cold Pipe Sizes 6 Inches (152.4 mm) and Over: Carbon steel, black or galvanized, adjustable, clevis, UL ...
[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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B.Openings shall be as large as feasible in small ducts, 300 mm by 300 mm (12 inch by 12 inch) minimum where possible. Access sections in insulated ducts shall be doublewall, insulated. Transparent shatterproof covers are preferred for uninsulated ducts. 1.For rectangular ducts: Refer to SMACNA HVAC Duct Construction Standards (Figure 212).
[DOC File]SECTION 220529 - HANGERS AND SUPPORTS FOR PLUMBING …
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Hangers for Pipe Sizes ½ (12.7 mm) to 1-1/2 Inch (38 mm): Carbon steel, adjustable swivel ring, UL listed, Grinnell Fig. 69 or equal. Use plastic coated hangers at all uninsulated copper piping. Hangers for Pipe Sizes 2 Inches (50.8 mm) and Cold Pipe Sizes 6 Inches (152.4 mm) and Over: Carbon steel, black or galvanized, adjustable, clevis, UL ...
[DOC File]SECTION 232000 - HVAC PIPING
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GALVANIZED STEEL PIPE. Pipe: Schedule 40 in accordance with ASTM A120. Fittings: 150-pound screwed galvanized malleable iron on 2 inches and below. Mechanical couplings as herein specified on 2 1/2 inches and above. Service: Miscellaneous indirect waste piping. BLACK STEEL PIPE, SCHEDULE 80. Pipe: Schedule 80, in accordance with ASTM A120 or A53.
[DOC File]SECTION 230700 – INSULATION FOR HVAC PIPE AND DUCT …
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SECTION 230700 – INSULATION FOR HVAC SYSTEMS AND EQUIPMENT. Latest Update: 2-13-2019 See Underlined Text for Edits (Engineer shall edit specifications and …
[DOCX File]SECTION 23 05 29
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Place hangers within 12 inches of each horizontal elbow. Use hangers with 11/2 inch minimum vertical adjustment. Support horizontal cast iron pipe adjacent to each hub, with 5 feet maximum spacing between hangers. Support vertical piping at every floor and at intervals of no more than 12 ft. Support vertical cast iron pipe at each floor at hub.
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