ࡱ> g lbjbjJJ ;(ub(ubc200!!!!!!!!8!"!5#####&&&5555555$%79d,5!&%%@&&,5!!##A5'''&!#!#X4'&5''-,0#nϜ& 0D4W50560^?;8'?;,0?;!0&&'&&&&&,5,5'&&&5&&&&?;&&&&&&&&&0B r : SECTION 220529 HANGERS AND SUPPORTS FOR PLUMBING SYSTEMS First Edition 5-16-2017 (Engineer shall edit specifications and blue text in header to meet project requirements. This includes but is not limited to updating Equipment and/or Material Model Numbers indicated in the specifications and adding any additional specifications that may be required by the project. Also turn off all Underlines.) GENERAL RELATED DOCUMENTS Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this section and all other sections of Division 22. SUMMARY This section includes the requirements for hangers and supports for plumbing piping equipment as follows: Metal pipe angers and supports. Trapeze pipe hangers. Thermal hanger shield inserts. Fastener systems. Pipe stands. Pipe positioning system. Pipe supports and curbs at roof level. Miscellaneous materials PERFORMANCE REQUIREMENTS Delegated Design: Design trapeze pipe hangers and equipment supports, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated. Structural Performance: Hangers and supports for plumbing piping and equipment shall withstand the effects of gravity loads and stresses within limits and under conditions indicated according to ASCE/SEI7. Design supports for multiple pipes, including pipe stands, capable of supporting combined weight of supported systems, system contents, and test water. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components. Design seismic-restraint hangers and supports for piping and equipmentand obtain approval from authorities having jurisdiction. ACTION SUBMITTALS Product Data: For each product specified, include manufacturers cut sheets, dimensional data, performance data, installation instructions, specified options, and warranty information. Delegated-Design Submittal: For each anchor and alignment guide indicated to comply with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation. < Delete paragraph B if not required> Design Calculations: Calculate requirements for thermal expansion of piping systems and for selecting and designing expansion joints, loops, and swing connections. Anchor Details: Detail fabrication of each anchor indicated. Show dimensions and methods of assembly and attachment to building structure. INFORMATIONAL SUBMITTALS Welding certificates. CLOSEOUT SUBMITTALS Operation and Maintenance Data: Include a copy of the approved submittal for each product and material along with any applicable maintenance data in the project operation and maintenance manual. QUALITY ASSURANCE Structural Steel Welding Qualifications: Qualify procedures and personnel according to AWSD1.1/D1.1M, "Structural Welding Code - Steel." Pipe Welding Qualifications: Qualify procedures and operators according to ASME Boiler and Pressure Vessel Code. WARRANTY/GUARANTEE See Division 22, Specification Section Basic Mechanical Requirements Plumbing for warranty and guarantee requirements. PRODUCTS GENERAL PRODUCT REQUIREMENTS Equipment Design and Selection: Hangers and supports shall be designed and selected, for the intended use, in accordance with the details on the drawings and the requirements of this specification. Acceptable Manufacturers: Subject to compliance with requirements, provide comparable product by one (1) of the following: Metal Pipe Hangers and Supports: B-Line. Fee and Mason. Anvil. Michigan Hanger. Thermal-Hanger Shield Inserts (Pre-Insulated Pipe Supports): Pipe Shields, Inc. (Piping technology & Products, Inc.) Bergen Pre-Insulated Pipe Supports Rilco. Thermal-Hanger Shield Inserts: Pipe Shields, Inc. (Piping technology & Products, Inc.) Bergen Pre-Insulated Pipe Supports Rilco. Fastener Systems (Concrete Anchors): Hilti, Powers Fasteners or Red Head Metal Framing Support System: Unistrut, B-Line Strut Systems Anvil-Strut Kindorf Hilti Pipe Guides and Anchors: Shaw Pipe Shields Bergen Pre-Insulated Pipe Supports Rilco Pipe and Equipment Supports - Roof Level: Pate Company. Roof Products and Systems (RPS). Tybar Corporation. PIPE HANGERS AND SUPPORTS Horizontal non-insulated, waste, vent and storm water piping hangers: Two (2) inch and smaller Figure No. kB3170. Two and one-half (2-1/2) inch and larger: Figure No. B3100. Galvanized Metallic Coatings: Pre-galvanized or hot dipped. Nonmetallic Coatings: Plastic coating, jacket, or liner. Hanger Rods: Continuous-thread rod, nuts, and washer made of carbon steel. Horizontal Non-Insulated Copper Piping Hangers: Two (2) inch and smaller: Figure NO. B3104 CT. 2-1/2) inch and larger: Figure No. B3104 CT. Insulated Horizontal Piping Hangers: Cold and Hot Water (Domestic): Two (2) inch and smaller: Figure No. B3108 with metal shield, Figure No. B3151. Two and one-half (2-1/2) inch and larger: Figure No. B3108 with metal shield, Figure No. B3151. Plastic Polypropylene Deionized Water, Acid Waste Pipe, PVC, and CPVC Piping: Figure No. B3106 with No. B3106V channel, plastic-coated. For piping 1 inch and smaller use continuous support system only. Hangers for Brass Piping or to Eliminate Electrolytic Action: Figure No. B3104C. TRAPEZE PIPE HANGERS Description: Direct mounting hangers: Grinnell No. 46. THERMAL-HANGER SHIELD INSERTS Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:  HYPERLINK "http://www.specagent.com/LookUp/?uid=123456822021&mf=04&src=wd" Pipe Shields, Inc.; a subsidiary of Piping Technology & Products, Inc. Insulation-Insert Material for Cold Piping: ASTMC552, TypeII cellular glass with 100-psig or ASTMC591, TypeVI, Grade1 polyisocyanurate with 125-psig minimum compressive strength and vapor barrier. Insulation-Insert Material for Hot Piping: Water-repellent treated, ASTMC533, TypeI calcium silicate with 100-psig ASTMC552, TypeII cellular glass with 100-psig or ASTMC591, TypeVI, Grade1 polyisocyanurate with 125-psig minimum compressive strength. For Trapeze or Clamped Systems: Insert and shield shall cover entire circumference of pipe. For Clevis or Band Hangers: Insert and shield shall cover lower 180 degrees of pipe. Insert Length: Extend two (2) inches beyond sheet metal shield for piping operating below ambient air temperature. FASTENER SYSTEMS Powder-Actuated Fasteners: Threaded-steel stud, for use in hardened portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used. Mechanical-Expansion Anchors: Insert-wedge-type, zinc-coated steel anchors, for use in hardened portland cement concrete; with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used. PIPE STANDS General Requirements for Pipe Stands: Shop- or field-fabricated assemblies made of manufactured corrosion-resistant components to support roof-mounted piping. Compact Pipe Stand: One-piece plastic unit with integral-rod roller, pipe clamps, or V-shaped cradle to support pipe, for roof installation without membrane penetration. Low-Type, Single-Pipe Stand: One-piece [plastic] [stainless-steel] base unit with plastic roller, for roof installation without membrane penetration. High-Type, Single-Pipe Stand: Description: Assembly of base, vertical and horizontal members, and pipe support, for roof installation without membrane penetration. Base: [Plastic] [Stainless steel]. Vertical Members: Two (2) or more cadmium-plated-steel or stainless-steel, continuous-thread rods. Horizontal Member: Cadmium-plated-steel or stainless-steel rod with plastic or stainless-steel, roller-type pipe support. High-Type, Multiple-Pipe Stand: Description: Assembly of bases, vertical and horizontal members, and pipe supports, for roof installation without membrane penetration. Bases: One or more; plastic. Vertical Members: Two (2) or more protective-coated-steel channels. Horizontal Member: Protective-coated-steel channel. Pipe Supports: Galvanized-steel, clevis-type pipe hangers. Curb-Mounting-Type Pipe Stands: Shop- or field-fabricated pipe supports made from structural-steel shapes, continuous-thread rods, and rollers, for mounting on permanent stationary roof curb. Insulated and non-insulated vertical piping hangers. Figure No B3373. Insulated and non-insulated vertical piping hangers. Copper B3373F PIPE POSITIONING SYSTEMS Description: IAPMOPS42, positioning system of metal brackets, clips, and straps for positioning piping in pipe spaces; for plumbing fixtures in commercial applications. FABRICATED EQUIPMENT SUPPORTS Description: Welded, shop- or field-fabricated equipment support made from structural carbon-steel shapes. Delegated Design: Calculate requirements for support of equipment weight and restraint of both lateral and vertical dynamic forces at 150% of operating conditions. Details: Detail fabrication of each support assembly. Show dimensions and methods of assembly and attachment to building structure. PIPE SEALS AND CURBS - ROOF LEVEL General: Where piping systems and conduits for power and controls serve HVAC equipment located above the roof level where indicated on the drawings and as specified. Pipe Seal Assembly: Model PPS, for a single pipe application, shall be a one piece spun aluminum base with full five (5) inch sloped roof surface flange, graduated step PVC boot and adjustable stainless steel clamp. Pipe Supports: Pipe supports shall be one (1) of the following: Equipment Support Without Pipe Rollers: Pate Style ES equipment supports constructed of 18 gauge galvanized steel, unitized construction with integral base, continuous welded corner seams, pressure treated two (2) x four (4) wood nailer and counterflashing with galvanized screws. The overall height for each support shall be eighteen (18) inches from the finished roof to the top of the counterflashing plus the height of the pipe supports and the pipe. Contractor shall provide galvanized Unistrut type channel tracts, with galvanized washers, nuts, bolts, and pipe clamps to secure the pipe to the tract and the track to the equipment support. Equipment Support With Pipe Rollers: Pate Style PRS or MPRS equipment supports constructed of heavy gage galvanized steel, unitized construction with integral base, continuous welded corner seams, pressure treated (2) x four (4) wood nailer and counterflashing with galvanized screws. Roller assembly shall include galvanized steel channel tracks, galvanized steel fittings, washers, nuts, bolts, and painted cast iron rollers. The overall height for each support shall be eighteen (18) inches from the finished roof to the top of the counterflashing plus the height of the pipe rack. Contractor shall provide galvanized insulation shields to protect the pipe insulation at each support point. Pipe Curbs: Pipe curbs for pipes up to six (6) inches with or without insulation shall be as follows: Pipe Curb Assembly: Pate Style PCC series pipe curb assembly constructed of heavy gauge galvanized steel, unitized construction with integral base plate, one and one half (1-1/2) inch insulation, pressure treated two (2) inch x two (2) inch wood nailer. The overall height for each curb shall be eighteen (18) inches from the finished roof level to the top of the pipe cover. Assembly shall be furnished with an acrylic clad thermoplastic cover, galvanized fastening screws and graduated step boots with stainless steel clamps fit around the pipe risers passing through the curb assembly and cover. Mechanical contractor shall coordinate with Pate to provide the appropriate cap and boot package for the installed pipe with pipe insulation in the submittal package. MISCELLANEOUS MATERIALS Structural Steel: ASTMA36/A36M, carbon-steel plates, shapes, and bars; black and galvanized. Grout: ASTMC1107, factory-mixed and -packaged, dry, hydraulic-cement, nonshrink and nonmetallic grout; suitable for interior and exterior applications. Properties: Nonstaining, noncorrosive, and nongaseous. Design Mix: 5000-psi, twenty eight (28) day compressive strength. Water: Potable Packaging: Premixed and factory-packaged. Washers: ASTM F 844, steel, plain, flat washers. Vertical Piping Riser Clamps: Copper Pipe: Figure No. B3373CT. Steel Pipe: Figure No. B3136 and B3137. Beam Clamps and Attachments: For bolt-on locations to structure, Figure Nos. B3291, B3036, B3050. Welded beam attachments, Figure No. B3083. Concrete Inserts: For concrete spot inserts at single locations for casting into structure, Figure No. B3014 for pre- determined rod size and Figure No. B2500 for universal use. For continuous slot concrete insert at multi-locations for casting into structure, Figure No. B2505. Brackets: For equipment and piping adjacent to walls or steel columns, Figure Nos. B3066, B3063 and B3067 depending on weight to be supported. Pipe Rests: For pipes close to floor where no expansion provision is required, Figure No. B3088T base stand with B3093 adjustable pipe saddles support. Hanger Rods: Hanger rod, Figure No. B3205. Continuous threaded rod, Figure No. ATR. Eye rods, Figure No. B3210 or B3211, depending on load supported. Spring Hangers: Light loads, movement less than 1-1/4 inches, Figure No. B3262 or B3264. Protection Saddles: Cast iron pipe, insulated, Figure No. B3108 with metal shield, Figure No. B3151. For high temperature steel pipe, insulated, No. B3160, B3161, B3162, B3163, B3164, or B3165. EXECUTION GENERAL INSTALLATION REQUIREMENTS Install supports to allow for free expansion of piping. Support piping from building structural members using concrete inserts, beam clamps, ceiling plates, wall brackets, or floor stands. At no time shall hangers and supports overload building structural members. Fasten ceiling plates and wall brackets securely to structure and test to demonstrate adequacy of fastening. Select and size building attachments properly in accordance with MSS Standards and manufacturer's published load rating information. Coordinate hanger and support installation to properly group piping of all trades. Suspend hangers by means of hanger rods. Perforated band iron and flat wire (strap iron) are not allowed. Piping and ductwork shall be supported independently from other piping or ductwork. Pipe hangers and supports shall not penetrate vapor barrier of pipe insulation. Do not support equipment, piping or ductwork from metal roof decking or ceiling grid. Install adequate supports so as not to over stress either piping or equipment to which piping is connected. HANGER AND SUPPORT INSTALLATION Metal Pipe-Hanger Installation: Comply with MSSSP-69 and MSSSP-89. Install hangers, supports, clamps, and attachments as required to properly supported piping from the building structure. Horizontal Piping: Support horizontal piping within twelve (12) inches of each fitting and coupling. Base of Vertical Piping: Provide MSS Type52, spring hangers. Vertical Pipe Supports: Install supports for vertical steel pipe and copper tubing at each floor level. Individual, Straight, Horizontal Piping Runs: One hundred (100) Feet and Less: MSS Type1, adjustable, steel, clevis hangers. Longer than One Hundred (100) Feet: MSS Type43, adjustable, roller hangers. Longer than One hundred (100) Feet if Indicated: MSS Type49, spring cushion rolls. Install carbon-steel pipe hangers for horizontal piping in noncorrosive environments. Install carbon-steel pipe support clamps for vertical piping in noncorrosive environments. Install stainless-steel pipe support clamps for vertical piping in corrosive environments Metal Trapeze Pipe-Hanger Installation: Comply with MSSSP-69 and MSSSP-89. Arrange for grouping of parallel runs of horizontal piping, and support together on field-fabricated trapeze pipe hangers. Pipes of Various Sizes: Support together and space trapezes for smallest pipe size or install intermediate supports for smaller diameter pipes as specified for individual pipe hangers. Field fabricate from ASTMA36/A36M, carbon-steel shapes selected for loads being supported. Weld steel according to AWSD1.1/D1.1M. Multiple, Straight, Horizontal Piping Runs One hundred (100) Feet or Longer: MSS Type44, pipe rolls. Support pipe rolls on trapeze. Metal Framing System Installation: Arrange for grouping of parallel runs of piping, and support together on field-assembled metal framing systems. Thermal-Hanger Shield Installation: Install in pipe hanger or shield for insulated piping. Fastener System Installation: Install powder-actuated fasteners for use in lightweight concrete or concrete slabs less than four (4) inches thick in concrete after concrete is placed and completely cured. Use operators that are licensed by powder-actuated tool manufacturer. Install fasteners according to powder-actuated tool manufacturer's operating manual. Install mechanical-expansion anchors in concrete after concrete is placed and completely cured. Install fasteners according to manufacturer's written instructions. Pipe Stand Installation: Pipe Stand Types except Curb-Mounted Type: Assemble components and mount on smooth roof surface. Do not penetrate roof membrane. Curb-Mounted-Type Pipe Stands: Assemble components or fabricate pipe stand and mount on permanent, stationary roof curb. See Architectural Specification Section"Roof Accessories" for curbs. Pipe Positioning-System Installation: Install support devices to make rigid supply and waste piping connections to each plumbing fixture. Install hangers and supports complete with necessary attachments, inserts, bolts, rods, nuts, washers, and other accessories. Equipment support in first paragraph below requires calculating and detailing at each use. Equipment Support Installation: Fabricate from welded-structural-steel shapes. Install hangers and supports to allow controlled thermal and seismic movement of piping systems, to permit freedom of movement between pipe anchors, and to facilitate action of expansion joints, expansion loops, expansion bends, and similar units. Install lateral bracing with pipe hangers and supports to prevent swaying. Install building attachments within concrete slabs or attach to structural steel. Install additional attachments at concentrated loads, including valves, flanges, and strainers, NPS2-1/2 (DN65) and larger and at changes in direction of piping. Install concrete inserts before concrete is placed; fasten inserts to forms and install reinforcing bars through openings at top of inserts. Load Distribution: Install hangers and supports so that piping live and dead loads and stresses from movement will not be transmitted to connected equipment. Upper attachments to structures shall have an allowable load not exceeding one quarter (1/4) of the failure (proof test) load but are not limited to the specific methods indicated. Pipe Slopes: Install hangers and supports to provide indicated pipe slopes and to not exceed maximum pipe deflections allowed by ASMEB31.9 for building services piping. Insulated Piping: Attach clamps and spacers to piping. Piping Operating above Ambient Air Temperature: Clamp may project through insulation. Piping Operating below Ambient Air Temperature: Use thermal-hanger shield insert with clamp sized to match OD of insert. Do not exceed pipe stress limits allowed by ASMEB31.9 for building services piping. Install MSSSP-58, Type39, protection saddles if insulation without vapor barrier is indicated. Fill interior voids with insulation that matches adjoining insulation. Option: Thermal-hanger shield inserts may be used. Include steel weight-distribution plate for pipe NPS4 (DN100) and larger if pipe is installed on rollers. Install MSSSP-58, Type40, protective shields on cold piping with vapor barrier. Shields shall span an arc of 180 degrees. Option: Thermal-hanger shield inserts may be used. Include steel weight-distribution plate for pipe NPS4 (DN100) and larger if pipe is installed on rollers. Shield Dimensions for Pipe: Not less than the following: NPS1/4 to NPS3-1/2 (DN8 to DN90): Twelve (12) inches long and 0.048 inch thick. NPS4 (DN100): Twelve (12) inches long and 0.06 inch thick. NPS5 and NPS6 (DN125 and DN150): Eighteen (18) inches long and 0.06 inch thick. NPS8 to NPS14 (DN200 to DN350): Twenty four (24) inches long and 0.075 inch thick. NPS16 to NPS24 (DN400 to DN600): Twenty four (24) inches long and 0.105 inch thick. Pipes NPS8 (DN200) and Larger: Include wood or reinforced calcium-silicate-insulation inserts of length at least as long as protective shield. Thermal-Hanger Shields: Install with insulation same thickness as piping insulation. Conform to the table below for maximum spacing of supports and rod sizes: Steel and Copper Pipe: Steel Pipe Copper Tube Nom. Pipe Max. Span  Max. Span - Min. Rod Size  In. Ft. (In) Ft. (In) Dia. In. Up to 3/4 7 (84) 5 (60) 3/8 1 7 (84) 6 (72) 3/8 11/4 7 (84) 7 (84) 3/8 11/2 9 (108) 8 (96) 3/8 2 10 (120) 8 (96) 3/8 21/2 11 (132) 9 (108) 1/2 3 12 (144) 10 (120) 1/2 31/2 13 (156) 11 (132) 1/2 4 14 (168) 12 (144) 5/8 (1/2 for copper) 5 16 (192) 13 (156) 5/8 (1/2 for copper) 6 17 (204) 14 (168) 3/4 (5/8 for copper) 8 19 (228) 16 (192) 7/8 (3/4 for copper) 10 22 (264) 18 (216) 7/8 (3/4 for copper) 12 23 (276) 19 (228) 7/8 (3/4 for copper) Support vertical steel pipe and copper tube at each floor level. Rod diameter may be reduced one (1) size for double-rod hangers, with three eights (3/8) inch minimum rods. RO/DI Piping: Horizontal Piping 1 inch and Smaller: Provide a continuous support system only. Horizontal Piping Larger than 1 inch: Support plastic pipe and tubing in accordance with manufacturer's recommendations. Maximum spacing between hangers: thirty six (36) inches with 1/2 inch rods. Support vertical piping at each floor level. Sanitary and Storm Water Drain Piping Above Ground: Support pipe and tubing in accordance with manufacturers recommendations. Install hangers for cast-iron soil piping with the following maximum horizontal spacing and minimum rod diameters: NPS1-1/2 and NPS2: Sixty (60) inches with three eights (3/8) inch rod. NPS3: Sixty (60) inches with one half (1/2) inch rod. NPS4 and NPS5: Sixty (60) inches with five eights (5/8) inch rod. NPS6 and NPS8: Sixty (60) inches with three quarters (3/4) inch rod. NPS10 and NPS12: Sixty (60) inches with seven eights (7/8) inch rod. Spacing for ten (10) foot lengths may be increased to ten (10) feet. Spacing for fittings is limited to sixty (60) inches. Install supports for vertical cast-iron soil piping every fifteen (15) feet. Support piping and tubing not listed above according to MSSSP-69 and manufacturer's written instructions. EQUIPMENT SUPPORTS Fabricate structural-steel stands to suspend equipment from structure overhead or to support equipment above floor. Grouting: Place grout under supports for equipment and make bearing surface smooth. Provide lateral bracing, to prevent swaying, for equipment supports. METAL FABRICATIONS Cut, drill, and fit miscellaneous metal fabrications for trapeze pipe hangers and equipment supports. Fit exposed connections together to form hairline joints. Field weld connections that cannot be shop welded because of shipping size limitations. Field Welding: Comply with AWSD1.1/D1.1M procedures for shielded, metal arc welding; appearance and quality of welds; and methods used in correcting welding work; and with the following: Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals. Obtain fusion without undercut or overlap. Remove welding flux immediately. Finish welds at exposed connections so no roughness shows after finishing and so contours of welded surfaces match adjacent contours. ADJUSTING Hanger Adjustments: Adjust hangers to distribute loads equally on attachments and to achieve indicated slope of pipe. Trim excess length of continuous-thread hanger and support rods to one and one half (1-1/2) inches. PAINTING Touchup: Clean field welds and abraded areas of shop paint. Paint exposed areas immediately after erecting hangers and supports. Use same materials as used for shop painting. Comply with SSPC-PA1 requirements for touching up field-painted surfaces. Apply paint by brush or spray to provide a minimum dry film thickness of 2.0 mils. Touchup: Cleaning and touchup painting of field welds, bolted connections, and abraded areas of shop paint on miscellaneous metal are specified in Architectural Specification Sections"Exterior Painting" and"Interior Painting." Galvanized Surfaces: Clean welds, bolted connections, and abraded areas and apply galvanizing-repair paint to comply with ASTMA780. 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