61-15115 Supp and Anchors.pdf

SECTION 15115

SUPPORTS AND ANCHORS DIVISION 15

West Branch Regional Authority 15115-1 January 2026 Route 54 Sanitary Sewer Extension Project Supports and Anchors Contract No. WB-1

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Pipe, equipment hangers, supports, clamps, and associated anchors.

B. Equipment bases and supports.

C. Sleeves and seals for plumbing system.

D. Flashing, sealing equipment and pipe stacks.

1.02 PRODUCTS SUPPLIED BUT NOT INSTALLED UNDER THIS SECTION

A. Section 03300: Cast-In-Place Concrete: Furnish hangers, support inserts, and sleeves for placement in formwork.

1.03 REFERENCES

A. ANSI B31.1 - Power Piping.

B. NFPA 13 - Standard for the installation of Sprinkler Systems.

C. NFPA 14 - Standard for the installation of Standpipe and Hose Systems.

D. NFPA 231C - Rack Storage of Materials.

E. ASTM B633 - Specification for Electrodeposited Coating of Zinc on Iron and Steel.

F. ASTM A123 - Specification for Zinc (Hot-Galvanized) Coatings on Products Fabricated from Rolled, Pressed, Forged Steel Shapes, Plates, Bars, and Strips.

G. ASTM A653 - Specification for Steel Sheet, Zinc-Coated by the Hot-Dip Process.

H. ASTM A1011 - Specification for Steel, Sheet and Strip, Hot Rolled Carbon, Structural, High-Strength Low Alloy with Improved Formability.

I. MSS SP58 - Manufacturers Standardization Society: Pipe Hangers and Supports -

Materials, Design, and Manufacture.

J. MSS SP69 - Manufacturers Standardization Society: Pipe Hangers and Supports -

Selection Application.

1.04 SUBMITTALS

A. Section 01340: Shop Drawings, Product Data and Samples.

B. Submit product data on all hanger and support devices, including shields and attachment methods. Product data to include, but not limited to, materials, finishes, approvals, load ratings, and dimensional information.

1.05 QUALITY ASSURANCE

A. Hangers and Supports used in fire protection piping systems shall be listed and labeled by Underwriters Laboratories.

B. Steel pipe hangers and supports shall have the manufacturer's name, part number, and applicable size stamped in the part itself for identification.

West Branch Regional Authority 15115-2 January 2026

C. Hanger and Supports shall be designed and manufactured in conformance with MSS

SP58.

D. Supports for sprinkler piping shall be in conformance with NFPA 13.

PART 2 - PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS

A. P.H.D. Manufacturing, Incorporated.

B. Michigan Hanger.

C. Mason Industries D. Elcen Metal Products Company.

E. Anvil International.

F. Cooper B-Line.

G. Substitutions: Refer to Section 15100: Basic Requirements for Plumbing Work.

2.02 PIPE HANGERS

A. Hangers:

1. Uninsulated pipes 2 inches and smaller:

a. Adjustable steel swivel ring plastic coated galvanized hanger

b. Adjustable steel swivel plastic coated, zinc plated j-hanger

c. Malleable iron zinc plated ring hanger or hinged zinc plated ring hanger

d. Malleable iron zinc plated split-ring hanger with eye socket

e. Adjustable stainless-steel clevis hanger

2. Uninsulated pipes 2 1/2 inch and larger:

a. Adjustable stainless-steel clevis hanger

b. Pipe roll with sockets, non-metallic rollers with hot-dip galvanized sockets and stainless-steel hardware

c. Adjustable steel zinc plated yoke pipe roll with non-metallic rollers, stainless steel yoke and stainless-steel hardware

3. Insulated pipe - Hot water or steam piping 2-inch and smaller:

a. Adjustable stainless-steel clevis hanger with stainless steel sheet metal shield

4. Insulated pipe - Hot water or steam piping 2 1/2 inches and larger:

a. Adjustable steel zinc plated yoke pipe roll with non-metallic rollers, stainless steel yoke and stainless-steel hardware and stainless-steel pipe covering protection saddle

b. Pipe roll with sockets, non-metallic rollers with hot-dip galvanized sockets and stainless-steel hardware stainless steel with pipe covering protection saddle

West Branch Regional Authority 15115-3 January 2026

5. Insulated pipe - Cold water or Chilled water piping 5 inches or smaller:

a. Adjustable stainless-steel clevis hanger with stainless steel sheet metal shield

6. Insulated pipe - Cold water or Chilled water piping 6 inches or larger:

a. Adjustable steel zinc plated yoke pipe roll with non-metallic rollers, stainless steel yoke and stainless-steel hardware and stainless-steel pipe covering protection saddle

b. Pipe roll with sockets, non-metallic rollers with hot-dip galvanized sockets and stainless-steel hardware stainless steel with pipe covering protection saddle

B. Pipe Clamps

1. When flexibility in the hanger assembly is required due to horizontal movement, use pipe clamps with weldless eye nuts. For insulated pipe use double bolted pipe clamps.

C. Multiple or Trapeze Hanger

1. Trapeze hangers shall be constructed from Fiberglass meeting ASTM D3917 and

ASTM D4385 Structural Channel with stainless steel hardware. Contractor may substitute Stainless Steel ASTM A240 Structural Channel with stainless steel hardware in accordance with Section 15100: Basic Requirements for Plumbing Work.

2. Mount pipes to trapeze with 2-piece pipe straps sized for outside diameter of pipe.

3. For pipes subject to axial movement:

a. Electroplated strut mounted roller support, non-metallic roller and stainless-steel hardware

b. Electroplated strut mounted pipe guide

D. Wall Supports

1. Pipes 4 inches and smaller:

a. Stainless steel J hook or offset J hook

b. Electroplated Hot-Dip galvanized J-Hanger with Electroplated hardware

2. Pipes larger than 4 inches

a. Medium duty stainless steel Angle Bracket

b. Medium duty stainless steel Angle Bracket with non-metallic roller stainless steel roller chair, and stainless-steel hardware. Use stainless steel pipe protection shields or saddles on insulated pipes

E. Floor Supports

West Branch Regional Authority 15115-4 January 2026

1. Hot piping under 6 inches and all cold piping:

a. Electroplated threaded base stand with electroplated thread pipe adjuster and electroplated thread pipe saddle support with yoke. Supports shall be sized for proper elevation of pipe.

2. Hot piping 6 inches and larger:

a. Electroplated threaded base stand with electroplated adjustable roller support with non-metallic rollers, stainless steel chair and stainless-steel hardware. Supports shall be sized for proper elevation of pipe.

F. Vertical Supports

1. Stainless steel riser clamp to fit outside diameter of pipe.

G. Copper Tubing Supports

1. Hangers shall be sized to fit copper tubing outside diameters.

a. Adjustable plastic-coated steel swivel ring hanger with dura-copper finish.

b. Malleable iron ring hanger with dura-copper finish or hinged ring hanger with dura-copper finish.

c. Electroplated malleable iron hanger adjuster with pre-galvanized steel ring and bolt hanger.

d. Plastic coated dura-copper pipe clamps.

2. For supporting vertical runs use plastic coated riser clamps.

3. For supporting copper tube to strut plastic inserted vibration isolation clamps.

H. Plastic Pipe Supports

1. Pre-Galvanized V-bottom clevis hanger with galvanized 18-gauge support channel to form a continuous support system for plastic pipe or flexible tubing.

I. Supplementary Structural Supports

1. Design and fabricate supports using structural quality steel bolted framing materials as manufactured by Copper B-line or approved equal. Channels shall be polyester resin manufactured by the pultrusion process. The reinforcing material shall consist of unidirectional roving, continuous mat and special spun roving in the channel lips for additional pull out strength. All surfaces shall have a synthetic surface veil to ensure a UV resistant resin rich surface.

2. Strut shall be designed to accept both non-metallic or stainless steel hardware and accessories.

3. Strut shall conform to the requirements of ASTM D4385 for Levels III and IV.

West Branch Regional Authority 15115-5 January 2026

4. Strut shall be 1-5/8” wide in varying heights, combinations and contain hole patterns as required to meet load capacities and designs indicated on the Drawings.

5. The manufacturers name and part number shall be marked on the strut to indicate the product series and material used.

J. Strut Fittings and Accessories

1. Molded strut fittings shall be glass-reinforced polyurethane.

2. Non-metallic pipe clamps shall be glass-reinforced PPO with type 316 stainless steel hardware. Include additional stop-lock kit for vertical applications.

3. Two-hole pipe clamps shall be glass reinforced polyester.

4. Non-metallic U-Bolts shall be glass reinforced polyurethane.

5. Channel nuts shall be glass-reinforced polyurethane or 316 stainless steel.

6. All threaded hardware shall be type 316 stainless steel. Note manufacturer's recommended torque for mating hardware (such as non-metallic channel nuts).

K. Brackets

1. Strut brackets shall be polyester resin fiberglass with type 316 stainless steel rivets or stainless steel type 316.

2.03 UPPER ATTACHMENTS

A. Beam Clamps

1. Beam clamps shall be used where piping is to be suspended from building steel.

Clamp type shall be selected on the basis of load to be supported, and load configuration.

2. C-Clamps shall have locknuts and cup point set screws. Top flange c-clamps shall be used when attaching a hanger rod to the top flange of structural shapes. Refer to manufacturers recommendation for setscrew torque. Retaining straps shall be used to maintain the clamps position on the beam where required.

3. Center loaded beam clamps shall be used where specified. Malleable iron or forged steel beam clamps with cross bolt as required to fit beams.

B. Concrete Inserts

1. Cast in place spot concrete inserts shall be used where applicable; either steel or malleable iron body. Spot inserts shall allow for lateral adjustment and have means for attachment to forms. Select inserts to suit threaded hanger rod sizes.

2. Continuous concrete inserts shall be used where applicable. Channels shall be 12

West Branch Regional Authority 15115-6 January 2026 gauge, ASTM A1011 SS Grade 33 structural quality carbon steel, complete with Styrofoam inserts and end caps with nail holes for attachment to forms. The continuous concrete insert shall have a load rating of 2,000 lbs/ft. in concrete.

Select channel nuts suitable for strut and rod sizes.

2.04 VIBRATION ISOLATION AND SUPPORTS

A. For refrigeration, air conditioning, hydraulic, pneumatic, and other vibrating system applications, use a clamp that has a vibration dampening insert and a nylon inserted locknut. For copper and steel tubing use Vibraclamps..

B. For larger tubing or piping subjected to vibration, use neoprene or spring hangers as required.

C. For base mounted equipment use vibration pads, molded neoprene mounts, or spring mounts as required.

D. Vibration isolation products as manufactured by B-Line, Vibratrol systems or approved equal.

2.05 ACCESSORIES

A. Hanger Rods shall be threaded both ends, or continuous threaded rods of circular cross section. Use adjusting locknuts at upper attachments and hangers. No wire, chain, or perforated straps are allowed.

B. Shields shall be 180 degree galvanized sheet metal, 12-inch minimum length, 18-gauge minimum thickness, designed to match outside diameter of the insulated pipe.

C. Pipe protection saddles shall be formed from carbon steel, 1/8-inch minimum thickness, sized for insulation thickness. Saddles for pipe sizes greater than 12-inch shall have a center support rib.

2.06 FINISHES

A. Outdoor and Corrosive Area Finishes

1. Hangers and strut located outdoors shall be hot dip galvanized after fabrication in accordance with ASTM A123. All hanger hardware shall be hot dip galvanized or stainless steel. Zinc plated hardware is not acceptable for outdoor or corrosive use.

2. Hangers and strut located in corrosive areas shall be type 304 stainless steel with stainless steel hardware.

2.07 EXPANSION JOINTS

West Branch Regional Authority 15115-7 January 2026

A. Provide expansion joints, anchors, and guides where indicated or as required.

B. Expansion joints installed in hot water mains 3 inches in diameter and smaller shall be stainless steel bellows with steel shroud, internally guided, packless with screwed ends, suitable for 50 PSI working pressure.

C. Expansion loops: Cold sprung; conformed to dimension indicated. Expansion joints may be substituted in lieu of expansion loops, at the discretion of the Contractor.

D. Provide a minimum of two prefabricated spider type guides installed at each side of expansion joints and at other location required to prevent flexing of guide piping.

E. Provide expansion joints 4 inches and larger of the packless stainless steel, self-equalizing corrugated bellows type designed for 125 PSI working pressure joints.

F. Provide structural steel anchors securely fastened to structure at each side of expansion joints and other locations required to prevent movement of piping. Submit to the Owner and Engineer, for approval, Shop Drawings indicating the various methods to be used for anchoring and guiding.

2.08 CONNECTIONS

A. Provide flexible pipe connections suitable to connect to adjoining piping as specified for pipe joints. Use pipe sized units.

2.09 SWING JOINTS

A. Where lines under the building or at other locations where stress may be put on line due to settlement, swing joints shall be installed. Swing joints shall be installed so that when settlement occurs, joints shall tighten.

PART 3 EXECUTION

3.01 PIPE HANGERS AND SUPPORTS

A. Pipe shall be adequately supported by pipe hanger and supports specified in PART 2 -

PRODUCTS. Hangers for insulated pipes shall be sized to accommodate insulation thickness.

B. Horizontal steel piping shall be supported in accordance with MSS SP-69 Tables 3 and 4, excerpts of which follow below:

NOMINAL PIPE SIZE

(INCHES)

ROD DIAMETER

(INCHES)

MAXIMUM SPACING

(FEET)

1/2 to 1-1/4 3/8 7

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1-1/2 3/8 9 2 3/8 10 2-1/2 1/2 11 3 1/2 12 3-1/2 1/2 13 4 5/8 14 5 5/8 16 6 3/4 17 8 3/4 19 10 7/8 22 12 7/8 23 14 1 25 16 1 27

C. Horizontal copper tubing shall be supported in accordance with MSS SP-69 Tables 3 and

4, excerpts of which follow below:

NOMINAL PIPE SIZE

(INCHES)

ROD DIAMETER

(INCHES)

MAXIMUM SPACING

(FEET)

1/2 to 1-1/4 3/8 5 1 3/8 6 1-1/4 3/8 7 1-1/2 3/8 8 2 3/8 8 2-1/2 1/2 9 3 1/2 10 3-1/2 1/2 11 4 1/2 12 5 1/2 13 6 5/8 14 8 3/4 16

D. Provide means of preventing dissimilar metal contact such as plastic coated hangers, copper colored epoxy paint, or non-adhesive isolation tape. Galvanized felt isolators sized for copper tubing may also be used.

E. Support horizontal cast iron pipe adjacent to each hub, with 5 feet maximum spacing between hangers.

F. Install hangers to provide a minimum of ½-inch space between finished covering and adjacent work.

G. Place a hanger within 12-inches of each horizontal elbow.

H. Support vertical piping independently of connected horizontal piping. Support vertical pipes

West Branch Regional Authority 15115-9 January 2026 at every floor. Wherever possible, locate riser clamps directly below pipe couplings or shear lugs.

I. Where several pipes can be installed in parallel and at the same elevation, provide trapeze hangers as specified herein. Trapeze hangers shall be spaced according to the smallest pipe size, or install intermediate supports according to schedule.

J. Do not support piping from other pipes, ductwork or other equipment that is not building structure.

3.02 CONCRETE INSERTS

A. Provide inserts for placement in formwork before concrete is poured.

B. Provide inserts for suspending hangers from reinforced concrete slabs and sides of reinforced concrete beams.

C. Where concrete slabs form finished ceilings, provide inserts to be flush with slab surface.

D. Provide hooked rod to concrete reinforcement section for inserts carrying pipe over 4-inch.

3.03 INSTALLATION

A. Install flexible pipe connections on pipes connected to equipment supported by vibration isolation.

B. Accomplish structural work and provide equipment required to control expansion and contraction of piping, loops, offsets, and swing joints, and provide corrugated bellows type expansion joints where required.

C. Install flexible connectors at right angles to displacement. Install one end immediately adjacent to isolated equipment and anchor other end.

D. Size expansion loops for actual expansion requirements, pipe size, and materials being used. Loops shall be cold sprung during installation.

E. Install minimum of two pipe alignment guides for each expansion joint of loop, one end for each side. Guides shall be installed so that movement takes place along axis of pipe only.

Install minimum of two anchors along with each expansion joint or loop, one for each side of pipe run where required to secure pipe run.

F. Fabricate anchors and guides may be used only if approved by the Engineer.

G. Rigidly anchor pipe to building structure where necessary. Provide pipe guides so that movement takes place along axis of pipe only.