Copyright 2016 AIAMasterSpec Premium12/16

PRODUCT MASTERSPEC LICENSED BY ARCOM TO GRIPPLE, INC.

Copyright 2016 by The American Institute of Architects (AIA)

Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA

This Product MasterSpec Section is licensed by ARCOM to Gripple, Inc ("Licensee").

This Product MasterSpec Section modifies the original MasterSpec text, and does not include the full content of the original MasterSpec Section.

Revisions made to the original MasterSpec text are made solely by the Licensee and are not endorsed by, or representative of the opinions of, ARCOM or The American Institute of Architects (AIA). Neither AIA nor ARCOM are liable in any way for such revisions or for the use of this Product MasterSpec Section by any end user. A qualified design professional should review and edit the document to suit project requirements.

For more information, contact Gripple, Inc., 1611 Emily Lane, Aurora, IL, 60502; Phone: (630) 406-0600; Fax: (800) 654-0689; Website: Email: .

For information about MasterSpec, contact ARCOM at (800) 424-5080 or visit

SECTION 260529 - HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

TIPS:

To view non-printing Editor's Notes that provide guidance for editing, click on MasterWorks/Single-File Formatting/Toggle/Editor's Notes.

To read detailed research, technical information about products and materials, and coordination checklists, click on MasterWorks/Supporting Information.

Revise this Section by deleting and inserting text to meet Project-specific requirements.

Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed.

PART 1 - GENERAL

1.1RELATED DOCUMENTS

Retain or delete this article in all Sections of Project Manual.

  1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this Section.

1.2SUMMARY

  1. Section Includes:
  2. Steel slotted support systems.
  3. Aluminum slotted support systems.
  4. Nonmetallic slotted support systems.
  5. Conduit and cable support devices.
  6. Support for conductors in vertical conduit.
  7. Structural steel for fabricated supports and restraints.
  8. Mounting, anchoring, and attachment components, including powder-actuated fasteners, mechanical expansion anchors, concrete inserts, clamps, through bolts, toggle bolts, and hanger rods.
  9. Fabricated metal equipment support assemblies.
  10. Related Requirements:

Retain subparagraph below to cross-reference requirements Contractor might expect to find in this Section but are specified in other Sections.

  1. Section260548.16 "Seismic Controls for Electrical Systems" for products and installation requirements necessary for compliance with seismic criteria.

1.3ACTION SUBMITTALS

  1. Product Data: For each type of product.
  2. Include construction details, material descriptions, dimensions of individual components and profiles, and finishes for the following:
  3. Slotted support systems, hardware, and accessories.
  4. Clamps.
  5. Hangers.
  6. Sockets.
  7. Eye nuts.
  8. Fasteners.
  9. Anchors.
  10. Saddles.
  11. Brackets.
  12. Insert product type>.
  13. Include rated capacities and furnished specialties and accessories.

Retain "Shop Drawings" Paragraph below if supporting systems are required to withstand specific design loads and Architect either has delegated design responsibility to Contractor or wants to review structural data as another way to verify supporting system's compliance with performance requirements. Professional engineer qualifications are specified in Section014000 "Quality Requirements."

  1. Shop Drawings:[Signed and sealed by a qualified professional engineer.] For fabrication and installation details for electrical hangers and support systems.

Revise subparagraphs below to suit Project.

  1. Hangers. Include product data for components.
  2. Slotted support systems.
  3. Equipment supports.
  4. Vibration Isolation Base Details: Detail fabrication including anchorages and attachments to structure and to supported equipment. Include adjustable motor bases, rails, and frames for equipment mounting.

Retain "Delegated-Design Submittal" Paragraph below if design services have been delegated to Contractor.

  1. Delegated-Design Submittal: For hangers and supports for electrical systems.
  2. Include design calculations and details of hangers.

Retain subparagraph below for projects in seismic areas.

  1. Include design calculations for seismic restraints.

1.4INFORMATIONAL SUBMITTALS

Retain "Coordination Drawings" Paragraph below for situations where limited space necessitates maximum utilization for efficient installation of different components or if coordination is required for installation of products and materials by separate installers. Coordinate paragraph with other Sections specifying products listed below. Preparation of coordination drawings requires the participation of each trade involved in installations within the limited space.

  1. Coordination Drawings: Reflected ceiling plan(s) and other details, drawn to scale, on which the following items are shown and coordinated with each other, using input from installers of the items involved:

Retain or insert components shown on reflected ceiling plans below.

  1. Suspended ceiling components.
  2. Ductwork, piping, fittings, and supports.
  3. Structural members to which hangers and supports will be attached.
  4. Size and location of initial access modules for acoustical tile.
  5. Items penetrating finished ceiling, including the following:
  6. Luminaires.
  7. Air outlets and inlets.
  8. Speakers.
  9. Sprinklers.
  10. Access panels.
  11. Projectors.
  12. Insert item>.

Retain "Seismic Qualification Data" Paragraph below if required by seismic criteria applicable to Project. Coordinate with Section210548 "Vibration and Seismic Controls for Fire-Suppression Piping and Equipment," Section220548 "Vibration and Seismic Controls for Plumbing Piping and Equipment," Section230548 "Vibration and Seismic Controls for HVAC," and Section260548.16 "Seismic Controls for Electrical Systems." See ASCE/SEI7 for certification requirements for equipment and components.

  1. Seismic Qualification Data: Certificates, for hangers and supports for electrical equipment and systems, accessories, and components, from manufacturer.
  2. Basis for Certification: Indicate whether withstand certification is based on actual test of assembled components or on calculation.
  3. Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate and describe mounting and anchorage provisions.
  4. Detailed description of equipment anchorage devices on which the certification is based and their installation requirements.

Retain "Welding certificates" Paragraph below if retaining "Welding Qualifications" Paragraph in "Quality Assurance" Article.

  1. Welding certificates.

1.5QUALITY ASSURANCE

Retain one of two "Welding Qualifications" paragraphs below for structural welding. Retain first if only one AWS standard is applicable; retain second to reference more than one AWS standard. If retaining either paragraph, retain "Welding certificates" Paragraph in "Informational Submittals" Article.

  1. Welding Qualifications: Qualify procedures and personnel according to [AWSD1.1/D1.1M] [AWSD1.2/D1.2M].
  2. Welding Qualifications: Qualify procedures and personnel according to the following:
  3. AWSD1.1/D1.1M.
  4. AWSD1.2/D1.2M.

PART 2 - PRODUCTS

Manufacturers and products listed in SpecAgent and Masterworks Paragraph Builder are neither recommended nor endorsed by the AIA or ARCOM. Before inserting names, verify that manufacturers and products listed there comply with requirements retained or revised in descriptions and are both available and suitable for the intended applications. For definitions of terms and requirements for Contractor's product selection, see Section016000 "Product Requirements."

2.1PERFORMANCE REQUIREMENTS

Retain "Delegated Design" Paragraph below if Contractor is required to assume responsibility for design.

  1. Delegated Design: Engage a qualified professional engineer, as defined in Section014000 "Quality Requirements," to design hanger and support system.

Retain "Seismic Performance" Paragraph below with "Seismic Qualification Data" Paragraph in "Informational Submittals" Article for projects requiring seismic design. Delete paragraph if performance requirements are indicated on Drawings. Model building codes and ASCE/SEI7 establish criteria for buildings subject to earthquake motions. Coordinate requirements with structural engineer.

  1. Seismic Performancefor Electrical Component Supports Located Within Structures Falling Under Seismic Design Categories C, D, E, and F: Hangers and supports shall withstand the effects of earthquake motions determined according to [ASCE/SEI7] <Insert requirement>.

Retain first subparagraph below to define the term "withstand" as it applies to this Project. Definition varies with type of building and occupancy and is critical to valid certification. Option is used for essential facilities where equipment must operate immediately after an earthquake.

  1. The term "withstand" means "the supported equipment and systems will remain in place without separation of any parts when subjected to the seismic forces specified[and the supported equipment and systems will be fully operational after the seismic event]."

For life-safety components required to function after an earthquake (such as fire-sprinkler systems, components that contain hazardous content, and storage racks in structures open to the public), the Component Importance Factor is 1.5. For other components, the Component Importance Factor is 1.0 unless the structure is in Seismic Use GroupIII and component is necessary for continued operation of facility or failure of component could impair continued operation of facility, in which case the Component Importance Factor is 1.5.

  1. Component Importance Factor: [1.5] [1.0].

See ASCE/SEI7, Coefficients for Architectural Component Table and Seismic Coefficients for Mechanical and Electrical Components Table for requirements to be inserted in subparagraph below.

  1. Insert requirements for Component Amplification Factor and Component Response Modification Factor>.

Retain "Surface-Burning Characteristics" Paragraph below for nonmetallic slotted-channel system and accessories.

  1. Surface-Burning Characteristics: Comply with ASTME84; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.
  2. Flame Rating: Class1.
  3. Self-extinguishing according to ASTMD635.

2.2SUPPORT, ANCHORAGE, AND ATTACHMENT COMPONENTS

Retain this article to specify default product requirements for basic supporting devices. Items to be supported include raceways, cables, wireways, cable trays, busways, boxes, cabinets, equipment, and other electrical products. Where support materials or workmanship is unique to a particular product, specify unique features that are the exception to these default requirements in the Section that specifies the product. Coordinate specifications for supporting devices with structural engineer and with Drawings.

Slotted support systems are available with or without holes, and with multiple sizes and spacings of holes. Size and spacing indicated in "Steel Slotted Support Systems" Paragraph below is common among most manufacturers. Coordinate size, spacing, and type of system with manufacturer.

  1. Steel Slotted Support Systems: Preformed steel channels and angles with minimum 13/32-inch- (10-mm-) diameter holes at a maximum of 8 inches (200 mm) o.c. in at least one surface.

Retain "Basis-of-Design Product" Subparagraph and list of manufacturers below to identify a specific product or a comparable product from manufacturers listed.

  1. Basis-of-Design Product: Subject to compliance with requirements, provide Gripple, Inc.; pipe support and hanging systems, or comparable products by one of the following:
  2. Allied Tube & Conduit; a part of Atkore International.
  3. B-line, an Eaton business.
  4. ERICO International Corporation.
  5. Flex-Strut Inc.
  6. GS Metals Corp.
  7. G-Strut.
  8. Haydon Corporation.
  9. Metal Ties Innovation.
  10. Thomas & Betts Corporation; A Member of the ABB Group.
  11. Unistrut; Part of Atkore International.
  12. Wesanco, Inc.
  13. Insert manufacturer's name>.
  14. Pipe Bracket Kit Description: Pipe Bracket (PB1FT / PB2FT / PB3FT / PB4FT) and Universal (GC2-T) clamps or Compact (GC2-C) clamps. Manually assembled in the field to support multiple parallel pipes.
  15. Approvals: ISO17025, MSS-SP58, IAPMO/ANSIUPC 1-2012, UL2239, and UL2043.
  16. Material for Channel: Pregalvanized steel G90 (Z275).

Retain first option in "Channel Width" Subparagraph below to allow Contractor to select size of slotted support system.

  1. Channel Width: [Selected for applicable load criteria] 1-3/4 inches (44.45 mm).
  2. Painted Coatings: Manufacturer's standard painted coating applied according to MFMA-4.

Retain subparagraph below if retaining "Nonmetallic Coatings" or "Painted Coatings" Subparagraph above.

  1. Protect finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.

Slotted support systems are available with or without holes, and with multiple sizes and spacings of holes. Size and spacing indicated in "Aluminum Slotted Support Systems" Paragraph below is common among most manufacturers. Coordinate size, spacing, and type of system with manufacturer.

  1. Aluminum Slotted Support Systems: Extruded-aluminum channels and angles with minimum 13/32-inch- (10-mm-) diameter holes at a maximum of 8 inches (200 mm) o.c. in at least one surface.

Retain "Manufacturers" Subparagraph below and list of manufacturers to require products from manufacturers listed or a comparable product from other manufacturers.

  1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
  2. Cooper Industries, Inc.
  3. Flex-Strut Inc.
  4. Haydon Corporation.
  5. MKT Metal Manufacturing.
  6. Thomas & Betts Corporation; A Member of the ABB Group.
  7. Unistrut; Part of Atkore International.
  8. Insert manufacturer's name>.
  9. Standard: Comply with MFMA-4 factory-fabricated components for field assembly.
  10. Channel Material: 6063-T5 aluminum alloy.
  11. Fittings and Accessories Material: 5052-H32 aluminum alloy.

Retain first option in "Channel Width" Subparagraph below to allow Contractor to select size of slotted support system.

  1. Channel Width: [Selected for applicable load criteria] [1-5/8 inches (41.25 mm)] [1-1/4 inches (31.75 mm)] [13/16 inches (20.64 mm)] <Insert dimension>.

Retain "Nonmetallic Coatings" or "Painted Coatings" Subparagraph below, or both. Coordinate with appropriate coating or painting Section.

  1. Nonmetallic Coatings: Manufacturer's standard PVC, polyurethane, or polyester coating applied according to MFMA-4.
  2. Painted Coatings: Manufacturer's standard painted coating applied according to MFMA-4.

Retain subparagraph below if retaining "Nonmetallic Coatings" or "Painted Coatings" Subparagraph above.

  1. Protect finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.

Slotted support systems are available with or without holes, and with multiple sizes and spacings of holes. Size and spacing indicated in "Nonmetallic Slotted Support Systems" Paragraph below is common among most manufacturers. Coordinate size, spacing, and type of system with manufacturer.

If retaining "Nonmetallic Slotted Support Systems" Paragraph below, coordinate with Part3 and with Drawings to indicate where nonmetallic channel is to be used.

  1. Nonmetallic Slotted Support Systems: Structural-grade, factory-formed, glass-fiber-resin channels and angles with minimum 13/32-inch- (10-mm-) diameter holes at a maximum of 8 inches (200 mm) o.c., in at least one surface.

Retain "Manufacturers" Subparagraph below and list of manufacturers to require products from manufacturers listed or a comparable product from other manufacturers.

  1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
  2. Allied Tube & Conduit; a part of Atkore International.
  3. B-line, an Eaton business.
  4. Fabco Plastics Wholesale Limited.
  5. G-Strut.
  6. Haydon Corporation.
  7. Seasafe, Inc.; AMICO, a Gibraltar Industries Company.
  8. Insert manufacturer's name>.
  9. Standard: Comply with MFMA-4 factory-fabricated components for field assembly.

Retain first option in "Channel Width" Subparagraph below to allow Contractor to select size of slotted support system.

  1. Channel Width: [Selected for applicable load criteria] [1-5/8 inches (41.25 mm)] [1-1/4 inches (31.75 mm)] [13/16 inches (20.64 mm)] <Insert dimension>.
  2. Fittings and Accessories: Products provided by channel and angle manufacturer and designed for use with those items.
  3. Fitting and Accessory Materials: Same as those for channels and angles[,except metal items may be stainless steel].
  4. Rated Strength: Selected to suit applicable load criteria.
  5. Protect finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.
  1. Conduit and Cable Support Devices: [Steel] [Steel and malleable-iron] [Stainless-steel] [Glass-fiber-resin] hangers, clamps, and associated fittings, designed for types and sizes of raceway or cable to be supported.

Retain "Basis-of-Design Product" Subparagraph and list of manufacturers below to identify a specific product or a comparable product from manufacturers listed.

  1. Basis-of-Design Product: Subject to compliance with requirements, provide Gripple, Inc.; adjustable clamp and pipe bracket system for suspension of conduits 4-inch (101.6-mm) and smaller, or comparable products by one of the following:
  2. Insert manufacturer's name>.

Select one of two subparagraphs below.

  1. Wire Rope Type 1: High tensile steel wire rope, to ASTMA1023/1023M, class A zinc coating;[7 by 7] [and] [7 by 19] cross-sectional construction; having a tensile strength of 256,000 psi (1,770 N per sq mm); lengths, diameters, and wire construction [to accommodate design loads] [indicated on ShopDrawings]. Cables are pre-cut lengths with fused ends.Pre-made end attachments are available depending on the application.
  2. Wire Rope Type 2: High tensile steel wire rope, to ASTMA492, Type316 stainless-steel, 7 by 7 cross-sectional construction; having a tensile strength of 256,000 psi (1,770 N per sq mm); lengths, diameters, and wire construction [to accommodate design loads] [indicated on ShopDrawings]. Cables are pre-cut lengths with fused ends.Pre-made end attachments are available depending on the application.

Retain "Y-Fit" Subparagraph option below along with one of the wire rope subparagraphs above.

  1. Y-Fit: Two wire ropes, arranged to form two leg attachment points at one end with a ferrule. Factory-crimped with a 30-ton hydraulic press. For loads up to 200 lbs(90 kg) (5:1 safety factor).

Select one of seven adjustable fastener subparagraphs below.

  1. Adjustable Fastener Type 1: One-piece die cast type ZA2 zinc two-channel housing; encasing a series of Type 302 stainless-steel springs with serrated self-locking steel wedges, adjustable with setting key or integrated mechanism; UV stabilized homopolymer polypropylene end caps. Sizes [to accommodate design loads] [indicated on ShopDrawings]. Safe working load (SWL) with 5:1 safety factor. Gripple model HF/XP AdjustableFastener.
  2. Adjustable Fastener Type 2: One-piece Type 316 stainless-steel two-channel housing to ASTMA167; encasing a series of Type 302 stainless-steel springs with serrated self-locking ceramic wedges, adjustable with setting key; Type316A4 stainless-steel end caps. For load of [200 lb (90 kg)] [500 lb (225 kg)]. SWL with 5:1 safety factor. Model: Gripple No. [3] [4] Stainless Steel AdjustableFastener.
  3. Adjustable Fastener Type 3: One-piece die cast typeZA2 zinc one-channel housing; encasing a series of Type 302 stainless-steel springs with serrated self-locking ceramic wedge, adjustable with setting key; Type316A4 stainless-steel end caps. For load of [200 lb (90 kg)] [500 lb (225 kg)].SWL with 5:1 safety factor. Model: Gripple No. [3] [4] Stainless Steel AdjustableFastener.
  4. Adjustable Fastener Type 4: One-piece die cast type ZA2 zinc one-channel housing; encasing a series of Type 302 stainless-steel springs with serrated self-locking steel wedge, adjustable with integrated mechanism; UV stabilized homopolymer polypropylene end caps. Sizes [to accommodate design loads] [indicated on ShopDrawings].SWL with 5:1 safety factor. Gripple model STZ2/TZ3 AdjustableFastener.
  5. Adjustable Fastener Type 5: Mild steel (type EN1A), bright zinc plated, one-channel body; encasing a series of Type302 stainless-steel springs with serrated self-locking grade 40 chrome steel balls, adjustable by means of an integrated mechanism, capable of accommodating load of [100 lb (45 kg)] [200 lb (90 kg)] [500 lb (225 kg)]. Model: Gripple No. [2] [3] [4] Trapeze Plus AdjustableFastener.
  6. Adjustable Fastener Type 6: One-piece die cast type ZA2 zinc two-channel housing; encasing a series of Type 302 stainless-steel springs with serrated self-locking ceramic rollers, adjustable with setting key and extra allen key locking mechanism; UV stabilized homopolymer polypropylene end caps. UL/CSA listed. Manufactured in an ISO9002 facility. Sizes [to accommodate design loads] [indicated on ShopDrawings].SWL with 5:1 safety factor. Gripple Lockable Plus AdjustableFastener.
  7. Adjustable Fastener Type 7: Bright nickel-plated, typeZA2 zinc housing; encasing a Delrin511PNC010 spring with self-locking brass roller, adjustable with integrated mechanism. For loads up to 30 lb (13.6 kg).SWL with 5:1 safety factor. Model: Gripple Angel Hanger family.

Select one of ten end fixing subparagraphs below.