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A. Except as otherwise indicated, provide factory-fabricated horizontal piping hangers and supports complying with ANSI/MSS SP-58, of one of the following MSS types listed, selected by installer to suit horizontal piping system, in accordance with MSS SP-69 and manufacturer's published product information. Use only one type by one manufacturer for each piping service. Select size of hangers and supports to exactly fit pipe size for bare piping, and to exactly fit around piping insulation with saddle or shield for insulated piping. Provide copper-plated hangers and supports for copper piping systems. Adjustable Steel Clevises: MSS Type 1. Pipe Hangers: MSS Type 2. Steel Double Bolt Pipe Clamps: MSS Type 3. Steel Pipe Clamps: MSS Type 4. Pipe Hangers: MSS Type 5. Adjustable Swivel Pipe Rings: MSS Type 6. Adjustable Swivel Rings, Band Type: MSS Type 10. Split Pipe Rings: MSS Type 11. Extension Split Pipe Clamps: MSS Type 12. U-Bolt: MSS Type 24. Clips: MSS Type 26. Pipe Saddle Supports: MSS Type 36, including steel pipe base support and cast-iron floor flange. Pipe Stanchion Saddles: MSS Type 37, including steel pipe base support and cast-iron floor flange. Adjustable Pipe Saddle Supports: MSS Type 38 including steel pipe base support and cast-iron floor flange. Single Pipe Rolls: MSS Type 41. Adjustable Roller Hangers: MSS Type 43. Pipe Roll Stands: MSS Type 44. Pipe Rolls and Plates: MSS Type 45. Adjustable Pipe Roll Stands: MSS Type 46. 2.2 PIPE HANGERS A. Pipe hangers for all piping shall be Fee and Mason or Grinnell of a type suitable for each use. Perforated straps shall not be used in any work. For ferrous pipes up to and including four inches (4") in size, use Fee and Mason Fig. 199 malleable iron, adjustable, split ring, swivel hanger. HVAC piping larger than four inches (4"), but not larger than twelve inches (12") shall be Fee and Mason Fig. 170. Where several pipes are parallel at the same elevation, trapeze hangers may be used. Where trapeze hangers are used, the pipes shall be supported on rollers where rollers are called for by the above specifications. For copper pipes up to and including three inches (3") in size, use Fee and Mason Fig. 360 malleable iron, copper plated hangers. For copper pipes larger than three inches (3") use Fee and Mason Fig. 364 copper plated clevis hanger. B. Hanger rods sizes shall conform to the following schedule: Pipe up to and including 2": 3/8" rods Pipe 2-1/2", 3"and 3-1/2": 1/2" rods Pipe 4"and 5": 5/8" rods Pipe 6": 3/4" rods Pipe 8"and 10": 7/8" rods Pipe 12" and larger: 1" rods C. Unless shown otherwise, all horizontal runs of ferrous piping shall be suspended from the floor or roof construction, as the case may be, by means of hangers with the following maximum spacing: Pipe up to and including 1-1/4": 6 feet CEA#18010 SUPPORTS,ANCHORS AND SEALS 23 05 30-2 COPYRIGHT©2018 CONSULTING ENGINEERING ASSOCIATES, INC.