PART 1 - GENERAL 1.01 SECTION INCLUDES A. Pipe and equipment support systems. B. Inserts. 1.02 RELATED SECTIONS A. Section 15890 - Ductwork Supports. 1.03 DEFINITIONS A. Supports: Attachments, hangers, rests, inserts, couplings, anchors, saddles, guides, channels, nuts, bolts, plates, rods, supplemental steel and other miscellaneous components required to support the work. B. Hot Systems - (A-i): Content of pipeline at or above 120 degrees F temperature. C. Ambient Systems - (B): Content of pipeline which is not heated or cooled and will remain at a temperature range between 60 degrees F to 119 degrees F. D. Cold Systems - (C-1): Content of pipeline at or below 59 degrees F temperature. E. Plastic Pipe: Thermoset or thermoplastic, rigid or semi-rigid PVC, ABS, DWV, CPVC, FRP, PP and others. 1.04 SUBMITTALS A. Shop Drawings: Submit for custom fabricated supports "only". Show sizes, weights, dimensions, materials and connecting methods used for support system. Indicate hanger and support framing and attachment methods. Coordinate design requirements with those required by Section 15240. Submit with shop drawings, force diagrams and calculations specified under Informational Submittals. B. Submit force diagrams and calculations showing load reaction and movements which determine support sizing. Submit with shop drawings. C. List of exceptions to specifications on a line-by-line basis. Include proposed materials, methods, and cost difference where substitutions are allowed. 1.05 INFORMATIONAL SUBMITTALS A. Submit force diagrams and calculations showing load reaction and movements which determine support sizing. Submit with shop drawings. 1.06 QUALITY ASSURANCE 15140-1
A. Comply with ANSI/ASME B31 - Pressure Piping Code. B. Comply with MSS SP-58, SP-69, SP-89 - Manufacturers Standardization Society Standard Practices for Application, Design, Fabrication and Installation of Hangers and Supports. PART 2 - PRODUCTS 2.01 PROTECTIVE COATINGS AND FINISHES A. Support and Anchor Material: Compatible with materials being supported. Protect against corrosion, abrasion and electrolytic action in accordance with MSS SIP-58 and SP-89. B. Use copper plated hangers and supports for bare copper piping. Use plastic covers on supports used for un-insulated plastic pipe. C. Where design, material, tolerances or post-factory assembly requirements prevent use of metallic factory coatings, apply multiple field coatings of zinc chromate primer. 2.02 PIPE HANGERS, SUPPORTS AND ATTACHMENTS A. Manufacturers: Any manufacturer conforming to specified standards. Grinnell Figure numbers are shown for reference only. B. Type 1: Adjustable clevis hanger, carbon steel. Figure 260. C. Type 6: Adjustable swivel ring, split ring type. Malleable iron or carbon steel. Figure 104. D. Type 8: Extension pipe or riser clamp, carbon steel. Figure 261. E. Type 10: Adjustable swivel ring, band type, carbon steel. Figure 70. F. Type 28 and 29: Forged steel beam clamp with eye nut. Figure 292]. G. Type 31: Light welded carbon steel bracket. Attach pipe with scheduled hanger or support. Figure 194. H. Type 32: Medium welded carbon steel bracket. Attach pipe with scheduled hanger or support. Figure 195. I. Type 33: Heavy welded carbon steal bracket. Attach pipe with scheduled hanger or support. Figure 199. J. Type 38: Adjustable pipe saddle support, cast iron. Provide locknut nipple, floor flange, and concrete pier or steel support. Figure 264. K. Type 39: Pipe covering protection saddle. Curved carbon steel plate up to 24 inch and alloy steel for larger sizes. Minimum 12 inch in length. Figures 160 through 165. 15140-2
L. Type 40: Insulation protection shield. Carbon steel, galvanized, minimum 12 inch in length. Shields used with rollers shall be increased one nominal gauge thickness. Figure 277. M. Type 41: Single Pipe roll. Cast iron roll and sockets, steel roll rod. Figure 171. N. Type 43: Adjustable roller hanger. Cast iron roll, carbon steel yoke, roll rod and hex nuts. Figure 181. 0. Type 44: Pipe roll, complete. Cast iron roll and stand. Figure 271. P. Type 45: Pipe roll and plate, complete. Cast iron roll and plate. Q. Type 46: Adjustable pipe roll and base. Cast iron base plate, stand and roll. Provide floor flange and concrete pier or steel support for floor support. Figure 274. R. Rigid Pipe Hangers (Anchors): In accordance with ASTM F708. S. Guides: Carbon steel spider type. Figures 255 and 256. T. Trapeze Hangers: Steel channels (Unistrut) and scheduled individual hanger, roll or clamp support. U. Un-Insulated Tubing Support 1/2 Inches and Smaller: Tube straps or one hole clamps. V. Shields for Vertical Copper Pipe Risers: Sheet lead. W. Hanger Rods: Steel, cadmium plated, threaded both ends, threaded one end, or continuously threaded. X. Spring Hangers: In accordance with Section 15240. 2.03 INSERTS AND ATTACHMENTS A. Select inserts and attachment, to suit loading conditions in accordance with manufacturer's recommendations. B. Inserts for Placement in Concrete Formwork: Malleable iron, wedge or universal case with nut, galvanized finish. Size inserts to suit threaded hanger rods. C. Attachments to Existing Construction: Malleable iron, expansion case, galvanized finish. PART 3 - EXECUTION 3.01 INSERTS AND ATTACHMENTS 15140-3
A. Furnish inserts for placement in concrete slabs and beam formwork and masonry. Provide template, drawing or other instruction as required for correct location. B. Where concrete slabs form finished ceiling, make inserts flush with underside slab surface. 3.02 PIPE HANGERS AND SUPPORTS A. Support piping systems in accordance with applicable (referenced) standards. Space plastic piping in accordance with manufacturer's recommendations. Independently support concentrated weights such as valves, strainers, heavy fittings and where direction changes occur. B. Provide pipe system supports immediately adjacent to connected equipment. Do not support system valve trains and pipe risers on pumps, heat exchangers or other similar equipment. C. Install hangers to provide minimum 1/2 inch space between finished covering and adjacent surfaces. D. Place a hanger within 12 inches of each horizontal elbow. E. Use hangers with 1 1/2 inch minimum vertical adjustment. F. Support horizontal cast iron pipe adjacent to each hub or clamp (for nohub piping), with 5 foot maximum spacing between hangers. G. Where cast iron pipe is suspended in excess of 18 inches by means of nonrigid hangers, brace the pipe against horizontal movement. H. Support vertical piping at every floor. Support vertical cast iron pipe at each floor at hub or clamp (for no-hub piping). I. Where several pipes can be installed in parallel and at same elevation, custom designed trapeze hangers may be used. Incorporate rollers, shields, saddles, lateral support limit devices, and similar apparatus in the trapeze hanger design. J. Support riser piping independently of connected horizontal piping. K. Do not use sprinkler and standpipe system supports for non-sprinkler and standpipe system components. 3.03 PIPE HANGER, SUPPORT AND ATTACHMENT SCHEDULE A. Piping System Type: Hot, A-i ITEM PIPE SYSTEM ATTACHMENT TYPE INSULATED Hangers Type 1 up to 2 Inch; 41,43 with saddle for larger Pipe Roll Supports 44,46 with saddle Wall Supports 31,32,33 Floor Supports 46 with saddle Vertical Supports 8 15140-4
Protection Shield or 39 Saddle B. Piping System Type: Ambient B ITEM PIPE SYSTEM ATTACHMENT TYPE BARE INSULATED Hangers 1,10 with shield 1,6,10 Pipe Roll 44,45,56 with 44,45,46 Supports shield Wall Supports 31,32,33 Cast Iron Hook- up to 3 inch; 31, 32, 33 all sizes Floor Supports 38 with shield 38 Vertical 8 8 Supports Protection 40 None Shield or Saddle C. Piping System Type: Cold, C-1 ITEM PIPE SYSTEM ATTACHMENT TYPE INSULATED Hangers 1,10 with shield Pipe Roll Support 44,45,46 with shield Wall Supports 31,32,33 Floor Supports 38 with shield Vertical Supports 8 Protection Shield or Saddle 40 PART 4 - MEASUREMENT AND PAYMENT 4.01 All costs for all work indicated in this specification section will be included in the Contractor's lump sum amount, unless indicated otherwise. END OF SECTION 15140-5