DIVISION 1 - GENERAL REQUIREMENTS - IDEAS-EC

A. General: Provide adjustable pipe hangers on suspended pipe. Chain or perforated strap will notbe permitted. Isolate hangers coming in contact with bare copper pipe with dielectric hangerconnectors. Hanger rods shall be continuous threaded steel. Turnbuckles shall have capacity ofnot less than attached rod. Provide bracing to prevent lateral motion.B. Individual Hangers:1. Uninsulated Copper Pipe: Copper plated or coated steel, adjustable swivel ring hanger.2. Uninsulated Steel and Insulated Steel or Copper Piping and Ducts: Zinc plated adjustableswivel ring hangers for pipe sizes up through 1-1/2-inch, and wrought steel adjustableclevis hangers for pipe sizes 2-inch and over.C. Grouped Horizontal Piping and Piping on Walls: Cold formed, lipped channels, not less than 1-1/2-inch by 1-1/2-inch, No. 12 gauge with mounting holes. Hot-dipped galvanized clamps shallbe sized for outside diameter of insulation on insulated pipes. Hangers shall support five times theweight or thrust applied without failure.D. Vertical Supports: Friction riser clamps, supported and braced.E. Piping Run in Metal Studs: One-piece plastic sleeve with integral synthetic rubber pipe insulator.F. Insulated Pipe Supports: As specified in Section 15080.G. Spring Hangers and Supports: As specified in Section 15070.2 .5 SLEEVESA. Sleeves in Masonry and Concrete Walls, Floors, and Roofs: ASTM A53-96, Schedule 40,galvanized steel pipe.B. Sleeves in Partitions, Walls, Floors and Roofs Other than Masonry or Concrete: Minimum 24gauge galvanized sheet steel.2 .6 ESCUTCHEONSA. One-piece or split-hinge adjustable metal plates with nickel-plated or paintable surface dependingon finished surface.B. Chrome Plated Pipe: Solid pattern, smooth chrome plated cast brass.C. Other Types of Pipe: Heavy solid pattern steel, cast iron, or malleable iron with set screws.Escutcheons installed over sleeves which project above finished floors shall be deep cup type.2 .7 ACCESS DOORSA. Hinged steel access door, screwdriver actuated latching mechanism, prime painted for field finishpainting.2 .8 SEALANTSA. Paintable siliconized acrylic sealant, 25 year service life.15050-3BASIC MATERIALS AND METHODS