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


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Copyright 2011 AIA MasterSpec Premium 09/11

PRODUCT MASTERSPEC LICENSED BY ARCOM TO GRIPPLE, INC.


Copyright 2011 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: www.gripple.com; Email: usinfo@gripple.com.

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

SECTION 220548 - VIBRATION AND SEISMIC CONTROLS FOR PLUMBING PIPING AND EQUIPMENT

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.

Use this Section if Project is in a seismic area. Use Section 220548.13 "Vibration Controls for Plumbing Piping and Equipment" for Projects not in a seismic area.

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

This Section uses the term "Architect." Change this term to match that used to identify the design professional as defined in the General and Supplementary Conditions.

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.

A.Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2SUMMARY

A.Section Includes:

1.Elastomeric isolation pads.

2.Elastomeric isolation mounts.

3.Restrained elastomeric isolation mounts.

4.Open-spring isolators.

5.Housed-spring isolators.

6.Restrained-spring isolators.

7.Housed-restrained-spring isolators.

8.Pipe-riser resilient supports.

9.Resilient pipe guides.

10.Elastomeric hangers.

11.Spring hangers.

12.Snubbers.

13.Restraint channel bracings.

14.Restraint cables and accessories.

15.Seismic-restraint accessories.

16.Mechanical anchor bolts.

17.Adhesive anchor bolts.

B.Related Requirements:

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

1.Section 210548 "Vibration and Seismic Controls for Fire-Suppression Piping and Equipment" for devices for fire-suppression equipment and systems.

2.Section 230548 "Vibration and Seismic Controls for HVAC" for devices for HVAC equipment and systems.

1.3DEFINITIONS

Retain terms that remain after this Section has been edited for a project.

A.IBC: International Building Code.

B.ICC-ES: ICC-Evaluation Service.

C.OSHPD: Office of Statewide Health Planning & Development (for the State of California).

1.4ACTION SUBMITTALS

A.Product Data: For each type of product.

1.Include rated load, rated deflection, and overload capacity for each vibration isolation device.

2.Illustrate and indicate style, material, strength, fastening provision, and finish for each type and size of vibration isolation device and seismic-restraint component required.

See Evaluations for a discussion on seismic-restraint capacities and rating services.

a.Tabulate types and sizes of seismic restraints, complete with report numbers and rated strength in tension and shear as evaluated by [an evaluation service member of ICC-ES] [OSHPD] [an agency acceptable to authorities having jurisdiction].

b.Annotate to indicate application of each product submitted and compliance with requirements.

3.Interlocking Snubbers: Include ratings for horizontal, vertical, and combined loads.

B.Shop Drawings:

1.Detail fabrication and assembly of equipment bases. Detail fabrication including anchorages and attachments to structure and to supported equipment.

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

C.Delegated-Design Submittal: For each vibration isolation and seismic-restraint device.

1.Include design calculations and details for selecting vibration isolators and seismic restraints complying with performance requirements, design criteria, and analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

2.Design Calculations: Calculate static and dynamic loading due to equipment weight and operation, due to seismic forces required to select vibration isolators, and due to seismic restraints.

3.Riser Supports: Include riser diagrams and calculations showing anticipated expansion and contraction at each support point, initial and final loads on building structure, spring deflection changes, and seismic loads. Include certification that riser system was examined for excessive stress and that none exists.

Retain "Seismic-Restraint Details" Subparagraph below only if seismic design requirements apply but calculations have not been made and details or charts on Drawings do not describe seismic restraints in detail. Retaining subparagraph requires Contractor to submit seismic-restraint delegated-design Drawings prepared by a professional engineer. Revise to suit local requirements.

4.Seismic-Restraint Details:

a.Design Analysis: To support selection and arrangement of seismic restraints. Include calculations of combined tensile and shear loads.

b.Details: Indicate fabrication and arrangement. Detail attachments of restraints to the restrained items and to the structure. Show attachment locations, methods, and spacings. Identify components, list their strengths, and indicate directions and values of forces transmitted to the structure during seismic events. Indicate association with vibration isolation devices.

Retain first subparagraph below if Project includes equipment mounted outdoors.

c.Coordinate seismic-restraint and vibration isolation details with wind-restraint details required for equipment mounted outdoors. Comply with requirements in other Sections for equipment mounted outdoors.

d.Preapproval and Evaluation Documentation: By [an evaluation service member of ICC-ES] [OSHPD] [an agency acceptable to authorities having jurisdiction], showing maximum ratings of restraint items and the basis for approval (tests or calculations).

1.5INFORMATIONAL 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.

A.Coordination Drawings: Show coordination of vibration isolation device installation and seismic bracing for plumbing piping and equipment with other systems and equipment in the vicinity, including other supports and restraints, if any.

Coordinate "Qualification Data" Paragraph below with qualification requirements in Section 014000 "Quality Requirements" and as may be supplemented in "Quality Assurance" Article.

B.Qualification Data: For [professional engineer] [and] [testing agency].

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

C.Welding certificates.

Retain "Field quality-control reports" Paragraph below if Contractor is responsible for field quality-control testing.

D.Field quality-control reports.

1.6QUALITY ASSURANCE

If an independent testing agency is required, see Section 014000 "Quality Requirements" for general testing and inspecting agency qualification requirements. If additional control is needed, retain "Testing Agency Qualifications" Paragraph below to specify 29 CFR 1910.7. 29 CFR 1910.7 defines "NRTL" (nationally recognized testing laboratory) as it applies to testing and inspecting for safety, and lists, labels, or accepts equipment and materials that comply with certain OSHA criteria.

Retain "Testing Agency Qualifications" Paragraph below if Contractor selects testing agency or if Contractor is required to provide services of a qualified testing agency in "Field Quality Control" Article.

A.Testing Agency Qualifications: An independent agency, with the experience and capability to conduct the testing indicated, that is an NRTL as defined by OSHA in 29 CFR 1910.7 and that is acceptable to authorities having jurisdiction.

B.Comply with seismic-restraint requirements in the IBC unless requirements in this Section are more stringent.

Retain "Welding Qualifications" Paragraph below if shop or field welding is required. If retaining, also retain "Welding certificates" Paragraph in "Informational Submittals" Article.

C.Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M, "Structural Welding Code - Steel."

D.Seismic-restraint devices shall have horizontal and vertical load testing and analysis and shall bear anchorage preapproval OPA number from OSHPD, preapproval by ICC-ES, or preapproval by another agency acceptable to authorities having jurisdiction, showing maximum seismic-restraint ratings. Ratings based on independent testing are preferred to ratings based on calculations. If preapproved ratings are unavailable, submittals based on independent testing are preferred. Calculations (including combining shear and tensile loads) to support seismic-restraint designs must be signed and sealed by a qualified professional engineer.

PART 2 - PRODUCTS

See Editing Instruction No. 1 in the Evaluations for cautions about named manufacturers and products. For an explanation of options and Contractor's product selection procedures, see Section 016000 "Product Requirements."

See Evaluations for more detailed information about controlling vibration, additional information on products described in this Section, illustrations, selection guides, and supplements to equipment schedules.

Coordinate specifications for products in this Section with structural engineer and with Drawings.

2.1PERFORMANCE REQUIREMENTS

A.Seismic-Restraint Loading:

Obtain values for items in subparagraphs below from Project structural engineer or from ASCE/SEI 7. If the code at Project site is other than the IBC or NFPA 5000, revise parameters to comply with applicable code.

Specify design spectral response acceleration at short periods (0.2 second) and at 1.0 second based on site class in "Site Class as Defined in the IBC" Subparagraph below. Typical values range from 2 to 200 percent. Design spectral response acceleration is required for seismic force calculations to size seismic restraints. For each seismic restraint, include component importance factor, component response modification factor, and component amplification factor in the Plumbing Vibration-Control and Seismic-Restraint Device Schedule on Drawings.

1.Site Class as Defined in the IBC: [A] [B] [C] [D] [E] [F].

In "Assigned Seismic Use Group or Building Category as Defined in the IBC" Subparagraph below, retain Seismic Use Group or Building Category for Project structure from three classifications defined in the IBC.

2.Assigned Seismic Use Group or Building Category as Defined in the IBC: [I] [II] [III].

Retain "Component Importance Factor," "Component Response Modification Factor," and "Component Amplification Factor" subparagraphs below if these values are not included in the Plumbing Vibration-Control and Seismic-Restraint Device Schedule on Drawings. Factors below often vary among supported equipment. However, it is possible to specify maximum values for these factors for various classes of equipment or for all equipment instead of scheduling each piece of equipment.

a.Component Importance Factor: [1.0] [1.5] <Insert value>.

b.Component Response Modification Factor: [1.5] [2.5] [3.5] [5.0] <Insert value>.

c.Component Amplification Factor: [1.0] [2.5] <Insert value>.

3.Design Spectral Response Acceleration at Short Periods (0.2 Second): <Insert number>.

4.Design Spectral Response Acceleration at 1.0-Second Period: <Insert number>.

See Evaluations for a discussion on seismic-restraint capacities and rating services.

5.Rated strengths, features, and applications shall be as defined in reports by [an evaluation service member of ICC-ES] [OSHPD] [an agency acceptable to authorities having jurisdiction].

a.Structural Safety Factor: Allowable strength in tension, shear, and pullout force of components shall be at least [four] <Insert number> times the maximum seismic forces to which they are subjected.

2.2ELASTOMERIC ISOLATION PADS

Copy "Elastomeric Isolation Pads" Paragraph below and re-edit for each product.

The configuration and materials of elastomeric isolation pads depend on the equipment being supported. It is possible to have more than one type of elastomeric isolation pad on the same Project. Insert Drawing designation for each elastomeric isolation pad type required. Use these designations on Drawings to identify each product.

A.Elastomeric Isolation Pads: <Insert drawing designation>.

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.; [3RFP] [RMP] [CRMP] [ECRMP] [SRMP] or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Isolation Technology, Inc.

d.Kinetics Noise Control, Inc.

e.Mason Industries, Inc.

f.Novia; A Division of C&P.

g.Vibration Eliminator Co., Inc.

h.Vibration Isolation.

i.Vibration Mountings & Controls, Inc.

j.<Insert manufacturer's name>.

2.Fabrication: Single or multiple layers of sufficient durometer stiffness for uniform loading over pad area.

3.Size: Factory or field cut to match requirements of supported equipment.

Verify availability of various pad materials and their properties with manufacturers.

4.Pad Material: Oil and water resistant with elastomeric properties.

5.Surface Pattern: [Smooth] [Ribbed] [Waffle] pattern.

Retain first subparagraph below if pad is infused with synthetic fibers.

6.Infused nonwoven cotton or synthetic fibers.

Retain first subparagraph below if galvanized-steel baseplates are adhered to the isolation pad to facilitate load distribution.

7.Load-bearing metal plates adhered to pads.

Retain "Sandwich-Core Material" Subparagraph below if pad has a sandwich-core material.

Copy "Sandwich-Core Material" Subparagraph below and re-edit for each sandwich-core material. Core materials may not be elastomeric. See the "Elastomeric Isolation Pads" Article in the Evaluations for more information.

8.Sandwich-Core Material: [Resilient] [and] [elastomeric] <Insert compound>.

Retain "Surface Pattern" Subparagraph below if the sandwich-core material has a surface pattern.

a.Surface Pattern: [Smooth] [Ribbed] [Waffle] pattern.

Retain subparagraph below if pad is infused with synthetic fibers.

b.Infused nonwoven cotton or synthetic fibers.

2.3ELASTOMERIC ISOLATION MOUNTS

Copy "Double-Deflection, Elastomeric Isolation Mounts" Paragraph below and re-edit for each product.

The configuration and materials of elastomeric isolation mounts depend on the equipment being supported. It is possible to have more than one type of elastomeric isolation mount on the same Project. Insert drawing designation for each elastomeric isolation mount type required. Use these designations on Drawings to identify each product.

A.Double-Deflection, Elastomeric Isolation Mounts: <Insert drawing designation>.

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.; FMD or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Isolation Technology, Inc.

d.Kinetics Noise Control, Inc.

e.Mason Industries, Inc.

f.Novia; A Division of C&P.

g.Vibration Eliminator Co., Inc.

h.Vibration Isolation.

i.Vibration Mountings & Controls, Inc.

j.<Insert manufacturer's name>.

2.Mounting Plates:

a.Top Plate: Encapsulated steel load transfer top plates, factory drilled and threaded[ with threaded studs or bolts].

Retain "Baseplate" Subparagraph below if the elastomeric mount being specified has a baseplate.

b.Baseplate: Encapsulated steel bottom plates with holes provided for anchoring to support structure.

3.Elastomeric Material: Molded, oil-resistant rubber, neoprene, or other elastomeric material.

2.4RESTRAINED ELASTOMERIC ISOLATION MOUNTS

Copy "Restrained Elastomeric Isolation Mounts" Paragraph below and re-edit for each product.

The configuration and materials of restrained elastomeric isolation mounts depend on the equipment being supported. It is possible to have more than one type of restrained elastomeric isolation mount on the same Project. Insert drawing designation for each restrained elastomeric isolation mount type required. Use these designations on Drawings to identify each product.

A.Restrained Elastomeric Isolation Mounts: <Insert drawing designation>.

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:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Isolation Technology, Inc.

d.Kinetics Noise Control, Inc.

e.Mason Industries, Inc.

f.Novia; A Division of C&P.

g.Vibration Eliminator Co., Inc.

h.Vibration Isolation.

i.Vibration Mountings & Controls, Inc.

j.<Insert manufacturer's name>.

2.Description: All-directional isolator with seismic restraints containing two separate and opposing elastomeric elements that prevent central threaded element and attachment hardware from contacting the housing during normal operation.

a.Housing: Cast-ductile iron or welded steel.

b.Elastomeric Material: Molded, oil-resistant rubber, neoprene, or other elastomeric material.

2.5OPEN-SPRING ISOLATORS

Copy "Freestanding, Laterally Stable, Open-Spring Isolators" Paragraph below and re-edit for each product.

The configuration and materials of open-spring isolators depend on the equipment being supported. It is possible to have more than one type of open-spring isolator on the same Project. Insert drawing designation for each open-spring isolator type required. Use these designations on Drawings to identify each product.

A.Freestanding, Laterally Stable, Open-Spring Isolators: <Insert drawing designation>.

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.; OSM or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Isolation Technology, Inc.

d.Kinetics Noise Control, Inc.

e.Mason Industries, Inc.

f.Novia; A Division of C&P.

g.Vibration Eliminator Co., Inc.

h.Vibration Isolation.

i.Vibration Mountings & Controls, Inc.

j.<Insert manufacturer's name>.

2.Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated load.

3.Minimum Additional Travel: 50 percent of the required deflection at rated load.

4.Lateral Stiffness: More than 80 percent of rated vertical stiffness.

5.Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or failure.

6.Baseplates: Factory-drilled steel plate for bolting to structure with an elastomeric isolator pad attached to the underside. Baseplates shall limit floor load to 500 psig (3447 kPa).

7.Top Plate and Adjustment Bolt: Threaded top plate with adjustment bolt and cap screw to fasten and level equipment.

2.6HOUSED-SPRING ISOLATORS

Copy "Freestanding, Laterally Stable, Open-Spring Isolators in Two-Part Telescoping Housing" Paragraph below and re-edit for each product.

The configuration and materials of housed-spring isolators depend on the equipment being supported. It is possible to have more than one type of housed-spring isolator on the same Project. Insert drawing designation for each housed-spring isolator type required. Use these designations on Drawings to identify each product.

A.Freestanding, Laterally Stable, Open-Spring Isolators in Two-Part Telescoping Housing: <Insert drawing designation>.

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.; [ZA] [ZB] [ZC] [ZD] or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Isolation Technology, Inc.

d.Kinetics Noise Control, Inc.

e.Mason Industries, Inc.

f.Vibration Eliminator Co., Inc.

g.Vibration Isolation.

h.Vibration Mountings & Controls, Inc.

i.<Insert manufacturer's name>.

2.Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated load.

3.Minimum Additional Travel: 50 percent of the required deflection at rated load.

4.Lateral Stiffness: More than 80 percent of rated vertical stiffness.

5.Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or failure.

6.Two-Part Telescoping Housing: A steel top and bottom frame separated by an elastomeric material and enclosing the spring isolators.

a.Drilled base housing for bolting to structure with an elastomeric isolator pad attached to the underside. Bases shall limit floor load to 500 psig (3447 kPa).

b.Top housing with [attachment and leveling bolt] [threaded mounting holes and internal leveling device] [elastomeric pad].

2.7RESTRAINED-SPRING ISOLATORS

Copy "Freestanding, Laterally Stable, Open-Spring Isolators with Vertical-Limit Stop Restraint" Paragraph below and re-edit for each product.

The configuration and materials of restrained-spring isolators depend on the equipment being supported. It is possible to have more than one type of restrained-spring isolator on the same Project. Insert drawing designation for each restrained-spring isolator type required. Use these designations on Drawings to identify each product.

A.Freestanding, Laterally Stable, Open-Spring Isolators with Vertical-Limit Stop Restraint: <Insert drawing designation>.

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.; RSM or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Isolation Technology, Inc.

d.Kinetics Noise Control, Inc.

e.Mason Industries, Inc.

f.Novia; A Division of C&P.

g.Vibration Eliminator Co., Inc.

h.Vibration Isolation.

i.Vibration Mountings & Controls, Inc.

j.<Insert manufacturer's name>.

2.Housing: Steel housing with vertical-limit stops to prevent spring extension due to weight being removed.

a.Base with holes for bolting to structure with an elastomeric isolator pad attached to the underside. Bases shall limit floor load to 500 psig (3447 kPa).

b.Top plate with [threaded mounting holes] [elastomeric pad].

c.Internal leveling bolt that acts as blocking during installation.

3.Restraint: Limit stop as required for equipment and authorities having jurisdiction.

4.Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated load.

5.Minimum Additional Travel: 50 percent of the required deflection at rated load.

6.Lateral Stiffness: More than 80 percent of rated vertical stiffness.

7.Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or failure.

2.8HOUSED-RESTRAINED-SPRING ISOLATORS

Copy "Freestanding, Steel, Open-Spring Isolators with Vertical-Limit Stop Restraint in Two-Part Telescoping Housing" Paragraph below and re-edit for each product.

The configuration and materials of housed-restrained-spring isolators depend on the equipment being supported. It is possible to have more than one type of housed-restrained-spring isolator on the same Project. Insert drawing designation for each housed-restrained-spring isolator type required. Use these designations on Drawings to identify each product.

A.Freestanding, Steel, Open-Spring Isolators with Vertical-Limit Stop Restraint in Two-Part Telescoping Housing: <Insert drawing designation>.

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.; [SSM] [SSMB] or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Isolation Technology, Inc.

d.Kinetics Noise Control, Inc.

e.Mason Industries, Inc.

f.Vibration Eliminator Co., Inc.

g.Vibration Isolation.

h.Vibration Mountings & Controls, Inc.

i.<Insert manufacturer's name>.

2.Two-Part Telescoping Housing: A steel top and bottom frame separated by an elastomeric material and enclosing the spring isolators. Housings are equipped with [adjustable] [non-adjustable] snubbers to limit vertical movement.

a.Drilled base housing for bolting to structure with an elastomeric isolator pad attached to the underside. Bases shall limit floor load to 500 psig (3447 kPa).

b.Threaded top housing with adjustment bolt and cap screw to fasten and level equipment.

3.Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated load.

4.Minimum Additional Travel: 50 percent of the required deflection at rated load.

5.Lateral Stiffness: More than 80 percent of rated vertical stiffness.

6.Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or failure.

2.9PIPE-RISER RESILIENT SUPPORT

Copy "Description" Paragraph below and re-edit for each product.

The configuration and materials of pipe-riser resilient supports depend on the equipment being supported. It is possible to have more than one type of pipe-riser resilient support on the same Project. Insert drawing designation for each pipe-riser resilient support type required. Use these designations on Drawings to identify each product.

A.Description: All-directional, acoustical pipe anchor consisting of two steel tubes separated by a minimum 1/2-inch- (13-mm-) thick neoprene <Insert drawing designation>.

1.Vertical-Limit Stops: Steel and neoprene vertical-limit stops arranged to prevent vertical travel in both directions.

2.Maximum Load Per Support: 500 psig (3.45 MPa) on isolation material providing equal isolation in all directions.

2.10RESILIENT PIPE GUIDES

Copy "Description" Paragraph below and re-edit for each product.

The configuration and materials of resilient pipe guides depend on the equipment being supported. It is possible to have more than one type of resilient pipe guide on the same Project. Insert drawing designation for each resilient pipe guide type required. Use these designations on Drawings to identify each product.

A.Description: Telescopic arrangement of two steel tubes or post and sleeve arrangement separated by a minimum 1/2-inch- (13-mm-) thick neoprene <Insert drawing designation>.

Retain "Factory-Set Height Guide with Shear Pin" Subparagraph below where vertical motion due to pipe expansion and contraction is required and clearances are not readily visible.

1.Factory-Set Height Guide with Shear Pin: Shear pin shall be removable and reinsertable to allow for selection of pipe movement. Guides shall be capable of motion to meet location requirements.

2.11ELASTOMERIC HANGERS

Copy "Elastomeric Mount in a Steel Frame with Upper and Lower Steel Hanger Rods" Paragraph below and re-edit for each product.

The configuration and materials of elastomeric hangers depend on the equipment being supported. It is possible to have more than one type of elastomeric hanger on the same Project. Insert drawing designation for each elastomeric hanger type required. Use these designations on Drawings to identify each product.

A.Elastomeric Mount in a Steel Frame with Upper and Lower Steel Hanger Rods: <Insert drawing designation>.

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.; [APH] [HND] or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Isolation Technology, Inc.

d.Kinetics Noise Control, Inc.

e.Mason Industries, Inc.

f.Novia; A Division of C&P.

g.Vibration Eliminator Co., Inc.

h.Vibration Mountings & Controls, Inc.

i.<Insert manufacturer's name>.

2.Frame: Steel, fabricated with a connection for an upper threaded hanger rod and an opening on the underside to allow for a maximum of 30 degrees of angular lower hanger-rod misalignment without binding or reducing isolation efficiency.

3.Dampening Element: Molded, oil-resistant rubber, neoprene, or other elastomeric material with a projecting bushing for the underside opening preventing steel to steel contact.

2.12SPRING HANGERS

Copy "Combination Coil-Spring and Elastomeric-Insert Hanger with Spring and Insert in Compression" Paragraph below and re-edit for each product.

The configuration and materials of spring hangers depend on the equipment being supported. It is possible to have more than one type of spring hanger on the same Project. Insert drawing designation for each spring hanger type required. Use these designations on Drawings to identify each product.

A.Combination Coil-Spring and Elastomeric-Insert Hanger with Spring and Insert in Compression: <Insert drawing designation>.

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.; HNS Series or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Kinetics Noise Control, Inc.

d.Mason Industries, Inc.

e.Novia; A Division of C&P.

f.Vibration Eliminator Co., Inc.

g.Vibration Isolation.

h.Vibration Mountings & Controls, Inc.

i.<Insert manufacturer's name>.

2.Frame: Steel, fabricated for connection to threaded hanger rods and to allow for a maximum of 30 degrees of angular hanger-rod misalignment without binding or reducing isolation efficiency.

3.Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated load.

4.Minimum Additional Travel: 50 percent of the required deflection at rated load.

5.Lateral Stiffness: More than 80 percent of rated vertical stiffness.

6.Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or failure.

7.Elastomeric Element: Molded, oil-resistant rubber or neoprene with bushing projecting through the top of the frame. Steel-washer-reinforced cup to support spring.

Retain "Adjustable Vertical Stop" Subparagraph below if a vertical-limit stop is required.

8.Adjustable Vertical Stop: Steel washer with neoprene washer "up-stop" on lower threaded rod.

9.Self-centering hanger-rod cap to ensure concentricity between hanger rod and support spring coil.

B.Coil-Spring Hanger with Spring in Compression: <Insert drawing designation>.

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.; HS Series or a comparable product by one of the following:

a.Ace Mountings Co., Inc.

b.California Dynamics Corporation.

c.Kinetics Noise Control, Inc.

d.Mason Industries, Inc.

e.Novia; A Division of C&P.

f.Vibration Eliminator Co., Inc.

g.Vibration Isolation.

h.Vibration Mountings & Controls, Inc.

i.<Insert manufacturer's name>.

2.Frame: Steel, fabricated for connection to threaded hanger rods and to allow for a maximum of 30 degrees of angular hanger-rod misalignment without binding or reducing isolation efficiency.

3.Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated load.

4.Minimum Additional Travel: 50 percent of the required deflection at rated load.

5.Lateral Stiffness: More than 80 percent of rated vertical stiffness.

6.Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or failure.

Retain "Adjustable Vertical Stop" Subparagraph below if a vertical-limit stop is required.

7.Adjustable Vertical Stop: Steel washer with neoprene washer "up-stop" on lower threaded rod.

C.Self-centering hanger-rod cap to ensure concentricity between hanger rod and support spring coil.

2.13SNUBBERS

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

A.Basis-of-Design Product: Subject to compliance with requirements, provide Gripple, Inc.; SNB Series or a comparable product by one of the following:

1.Kinetics Noise Control, Inc.

2.Mason Industries, Inc.

3.Novia; A Division of C&P.

4.Vibration Mountings & Controls, Inc.

5.<Insert manufacturer's name>.

B.Description: Factory fabricated using welded structural-steel shapes and plates, anchor bolts, and replaceable resilient isolation washers and bushings.

1.Anchor bolts for attaching to concrete shall be seismic-rated, drill-in, and stud-wedge or female-wedge type.

2.Resilient Isolation Washers and Bushings: Oil- and water-resistant neoprene.

3.Maximum 1/4-inch (6-mm) air gap, and minimum 1/4-inch- (6-mm-) thick resilient cushion.

Metal framing systems are specified in Section 220529 "Hangers and Supports for Plumbing Piping and Equipment."

2.14RESTRAINT CHANNEL BRACINGS

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

A.Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1.B-line, an Eaton business.

2.Hilti, Inc.

3.Mason Industries, Inc.

4.Unistrut; Part of Atkore International.

5.<Insert manufacturer's name>.

B.Description: MFMA-4, shop- or field-fabricated bracing assembly made of slotted steel channels with accessories for attachment to braced component at one end and to building structure at the other end and other matching components and with corrosion-resistant coating; rated in tension, compression, and torsion forces.

2.15RESTRAINT CABLES

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

A.Basis-of-Design Product: Subject to compliance with requirements, provide Gripple, Inc.; GS Seismic Bracing Kits or a comparable product by one of the following:

1.Kinetics Noise Control, Inc.

2.Mason Industries, Inc.

3.Novia; A Division of C&P.

4.Vibration & Seismic Technologies, LLC.

5.Vibration Mountings & Controls, Inc.

6.<Insert manufacturer's name>.

B.Restraint Cables: ASTM A 603 galvanized-steel cables. End connections made of steel assemblies with thimbles, brackets, swivel, and bolts designed for restraining cable service; with loop ferrule to accommodate the load and safety factor of the fastener kit or a minimum of two clamping bolts for cable engagement.

2.16SEISMIC-RESTRAINT ACCESSORIES

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

A.Basis-of-Design Product: Subject to compliance with requirements, provide Gripple, Inc.; Rod Stiffener (RS) or a comparable product by one of the following:

1.B-line, an Eaton business.

2.Kinetics Noise Control, Inc.

3.Mason Industries, Inc.

4.Novia; A Division of C&P.

5.TOLCO.

6.Vibration & Seismic Technologies, LLC.

7.<Insert manufacturer's name>.

Retain "Hanger-Rod Stiffener" Paragraph below for strengthening resistance of hanger rods against seismic forces that may cause buckling of rods; delete if detailed on Drawings. Use with either channel- or cable-type bracing assemblies when required to counter seismic forces. Detail fabrication and indicate locations on Drawings.

B.Hanger-Rod Stiffener: [Polypropylene body and polypropylene-glass-fiber composite coupler type modular hanger rod stiffeners] [Steel tube or steel slotted-support-system sleeve with internally bolted connections] [Reinforcing steel angle clamped] to hanger rod.

C.Bushings for Floor-Mounted Equipment Anchor Bolts: Neoprene bushings designed for rigid equipment mountings, and matched to type and size of anchor bolts and studs.

D.Bushing Assemblies for Wall-Mounted Equipment Anchorage: Assemblies of neoprene elements and steel sleeves designed for rigid equipment mountings, and matched to type and size of attachment devices used.

E.Resilient Isolation Washers and Bushings: One-piece, molded, oil- and water-resistant neoprene, with a flat washer face.

2.17MECHANICAL ANCHOR BOLTS

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

A.Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1.B-line, an Eaton business.

2.Hilti, Inc.

3.Kinetics Noise Control, Inc.

4.Mason Industries, Inc.

5.Powers Fasteners.

6.<Insert manufacturer's name>.

Expansion-type anchor bolts are not permitted by ASCE/SEI 7 for nonisolated equipment in excess of 10 hp (7.46 kW).

B.Mechanical Anchor Bolts: Drilled-in and stud-wedge or female-wedge type in zinc-coated steel for interior applications and stainless steel for exterior applications. Select anchor bolts with strength required for anchor and as tested according to ASTM E 488.

2.18ADHESIVE ANCHOR BOLTS

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

A.Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1.Hilti, Inc.

2.Kinetics Noise Control, Inc.

3.Mason Industries, Inc.

4.Powers Fasteners.

5.<Insert manufacturer's name>.

B.Adhesive Anchor Bolts: Drilled-in and capsule anchor system containing PVC or urethane methacrylate-based resin and accelerator, or injected polymer or hybrid mortar adhesive. Provide anchor bolts and hardware with zinc-coated steel for interior applications and stainless steel for exterior applications. Select anchor bolts with strength required for anchor and as tested according to ASTM E 488.

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