SECTION 15140

SUPPORTS AND ANCHORS

PART	GENERAL

SECTION INCLUDES

Pipe and equipment hangers and supports.

Equipment bases and supports.

Sleeves and seals.

Flashing and sealing equipment and pipe stacks.

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [_____-__________]: Placement of [inserts] [sleeves] in concrete formwork.

Section [_____-__________]: Placement of roofing [pipe] [duct] supports.

Section [_____-__________]: Placement of equipment roof supports.

Section [_____-__________]: Placement of roof sleeves, vents, and curbs.

PRODUCTS INSTALLED BUT NOT FURNISHED UNDER THIS SECTION

Section [_____-__________]: Supply of roofing [pipe] [duct] [equipment] supports for placement by this Section.

RELATED SECTIONS

Section 03300 - Cast-In-Place Concrete: Equipment bases.

Section 07270 - Firestopping: Joint seals for piping and duct penetration of fire rated assemblies.

Section 09900 - Painting.

Section 15242 - Vibration Isolation.

Section 15260 - Piping Insulation.

Section 15280 - Equipment Insulation.

Section 15310 - Fire Protection Piping.

Section 15410 - Plumbing Piping.

Section 15510 - Hydronic Piping.

Section 15520 - Steam and Steam Condensate Piping.

Section 15535 - Refrigerant Piping and Specialties.

REFERENCES

ASME B31.1 - Power Piping

ASME B31.2 - Fuel Gas Piping

ASME B31.5 - Refrigeration Piping

ASME B31.9 - Building Services Piping

ASTM F708 - Design and Installation of Rigid Pipe Hangers.

MSS SP58 - Pipe Hangers and Supports - Materials, Design and Manufacturer.

MSS SP69 - Pipe Hangers and Supports - Selection and Application.

MSS SP89 - Pipe Hangers and Supports - Fabrication and Installation Practices.

NFPA 13 - Installation of Sprinkler Systems.

NFPA 14 - Installation of Standpipe and Hose Systems

UL 203 - Pipe Hanger Equipment for Fire Protection Service

SUBMITTALS

Submit under provisions of Section [01300]. [________].

Shop Drawings: Indicate system layout with location and detail of trapeze hangers.

Product Data: Provide manufacturers catalog data including load capacity.

Design Data: Indicate load carrying capacity of trapeze, multiple pipe, and riser support hangers.

Manufacturer's Installation Instructions: Indicate special procedures and assembly of components.

REGULATORY REQUIREMENTS

Conform to [applicable] [___________] code for support of [plumbing] [hydronic] [steam and steam condensate] piping.

Supports for Sprinkler Piping: In conformance with NFPA 13.

Supports for Standpipes: In conformance with NFPA 14.

PART	PRODUCTS

PIPE HANGERS AND SUPPORTS

Manufacturers:

[_________________________________] Model [________].

Other acceptable manufacturers offering equivalent products.

[_____________________________] Model [________].

[_____________________________] Model [________].

[_____________________________] Model [________].

Fire Protection Piping:

Conform to [NFPA 13] [NFPA 14].

Hangers for Pipe Sizes 1/2 to 1-1/2 Inch (13 to 38 mm): [Malleable iron] [Carbon steel], adjustable swivel, split ring.

Hangers for Pipe Sizes 2 Inches (50 mm) and Over: Carbon steel, adjustable, clevis.

Multiple or Trapeze Hangers: Steel channels with welded spacers and hanger rods.

Wall Support for Pipe Sizes to 3 Inches (75 mm): Cast iron hook.

Wall Support for Pipe Sizes 4 Inches (100 mm) and Over: Welded steel bracket and wrought steel clamp.

Vertical Support: [Steel riser clamp] [Angle ring].

Floor Support: Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

Copper Pipe Support: Carbon steel ring, adjustable, copper plated.

Plumbing Piping - DWV:

Conform to [ASME B31.9] [ASTM F708] [MSS SP58] [MSS SP69] [MSS SP89].

Hangers for Pipe Sizes 1/2 to 1-1/2 Inch (13 to 38 mm): [Malleable iron] [Carbon steel], adjustable swivel, split ring.

Hangers for Pipe Sizes 2 Inches (50 mm) and Over: Carbon steel, adjustable, clevis.

Multiple or Trapeze Hangers: Steel channels with welded spacers and hanger rods.

Wall Support for Pipe Sizes to 3 Inches (75 mm): Cast iron hook.

Wall Support for Pipe Sizes 4 Inches (100 mm) and Over: Welded steel bracket and wrought steel clamp.

Vertical Support: Steel riser clamp.

Floor Support: Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

Copper Pipe Support: Carbon steel ring, adjustable, copper plated.

Plumbing Piping - Water:

Conform to [ASME B31.9] [ASTM F708] [MSS SP58] [MSS SP69] [MSS SP89].

Hangers for Pipe Sizes 1/2 to 1-1/2 Inch (13 to 38 mm): [Malleable iron] [Carbon steel], adjustable swivel, split ring.

Hangers for Cold Pipe Sizes 2 Inches (50 mm) and Over: Carbon steel, adjustable, clevis.

Hangers for Hot Pipe Sizes 2 to 4 Inches (50 to 100 mm): Carbon steel, adjustable, clevis.

Hangers for Hot Pipe Sizes 6 Inches (150 mm) and Over: Adjustable steel yoke, cast iron roll, double hanger.

Multiple or Trapeze Hangers: Steel channels with welded spacers and hanger rods.

Multiple or Trapeze Hangers for Hot Pipe Sizes 6 Inches (150 mm) and Over: Steel channels with welded spacers and hanger rods, cast iron roll.

Wall Support for Pipe Sizes to 3 Inches (76 mm): Cast iron hook.

Wall Support for Pipe Sizes 4 Inches (100 mm) and Over: Welded steel bracket and wrought steel clamp.

Wall Support for Hot Pipe Sizes 6 Inches (150 mm) and Over: Welded steel bracket and wrought steel clamp with adjustable steel yoke and cast iron roll.

Vertical Support: Steel riser clamp.

Floor Support for Cold Pipe: Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

Floor Support for Hot Pipe Sizes to 4 Inches (100 mm): Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

Floor Support for Hot Pipe Sizes 6 Inches (150 mm) and Over: Adjustable cast iron roll and stand, steel screws, and concrete pier or steel support.

Copper Pipe Support: Carbon steel ring, adjustable, copper plated.

Hydronic Piping:

Conform to [ASME B31.9] [ASTM F708] [MSS SP58] [MSS SP69] [MSS SP89].

Hangers for Pipe Sizes 1/2 to 1-1/2 Inch (13 to 38 mm): [Malleable iron] [Carbon steel], adjustable swivel, split ring.

Hangers for Cold Pipe Sizes 2 Inches (50 mm) and Over: Carbon steel, adjustable, clevis.

Hangers for Hot Pipe Sizes 2 to 4 Inches (50 to 100 mm): Carbon steel, adjustable, clevis.

Hangers for Hot Pipe Sizes 6 Inches (150 mm) and Over: Adjustable steel yoke, cast iron roll, double hanger.

Multiple or Trapeze Hangers: Steel channels with welded spacers and hanger rods.

Multiple or Trapeze Hangers for Hot Pipe Sizes 6 Inches (150 mm) and Over: Steel channels with welded spacers and hanger rods, cast iron roll.

Wall Support for Pipe Sizes to 3 Inches (76 mm): Cast iron hook.

Wall Support for Pipe Sizes 4 Inches (100 mm) and Over: Welded steel bracket and wrought steel clamp.

Wall Support for Hot Pipe Sizes 6 Inches (150 mm) and Over: Welded steel bracket and wrought steel clamp with adjustable steel yoke and cast iron roll.

Vertical Support: Steel riser clamp.

Floor Support for Cold Pipe: Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

Floor Support for Hot Pipe Sizes to 4 Inches (100 mm): Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

Floor Support for Hot Pipe Sizes 6 Inches (150 mm) and Over: Adjustable cast iron roll and stand, steel screws, and concrete pier or steel support.

Copper Pipe Support: Carbon steel ring, adjustable, copper plated.

Steam and Steam Condensate Piping:

Conform to [ASME B31.1] [ASTM F708] [MSS SP58] [MSS SP69] [MSS SP89].

Hangers for Pipe Sizes 1/2 to 1-1/2 Inch (13 to 38 mm): [Malleable iron] [Carbon steel], adjustable swivel, split ring.

Hangers for Pipe Sizes 2 to 4 Inches (50 to 100 mm): Carbon steel, adjustable, clevis.

Hangers for Pipe Sizes 6 Inches (150 mm) and Over: Adjustable steel yoke, cast iron roll, double hanger.

Multiple or Trapeze Hangers for Pipe Sizes to 4 inches (100 mm): Steel channels with welded spacers and hanger rods.

Multiple or Trapeze Hangers for Pipe Sizes 6 Inches (150 mm) and Over: Steel channels with welded spacers and hanger rods; cast iron roll and stand.

Wall Support for Pipe Sizes to 3 Inches (70 mm): Cast iron hook.

Wall Support for Pipe Sizes 4 to 5 Inches (100 to 125 mm): Welded steel bracket and wrought steel clamp.

9.	Wall Support for Pipe Sizes 6 Inches (150 mm) and Over: Welded steel bracket and wrought steel clamp; adjustable steel yoke and cast iron roll.

Vertical Support: Steel riser clamp.

Floor Support for Pipe Sizes to 4 Inches (100 mm): Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

Floor Support for Pipe Sizes 6 Inches (150 mm) and Over: Adjustable cast iron roll and stand, steel screws, and concrete pier or steel support.

Copper Pipe Support: Carbon steel ring, adjustable, copper plated.

Refrigerant Piping:

Conform to [ASME B31.5] [ASTM F708] [MSS SP58] [MSS SP69] [MSS SP89].

Hangers for Pipe Sizes 1/2 to 1-1/2 Inch (13 to 38 mm): [Malleable iron] [Carbon steel,] adjustable swivel, split ring.

Hangers for Pipe Sizes 2 Inches (50 mm) and Over: Carbon steel, adjustable, clevis.

Multiple or Trapeze Hangers: Steel channels with welded spacers and hanger rods.

Wall Support for Pipe Sizes to 3 Inches (75 mm): Cast iron hook.

Wall Support for Pipe Sizes 4 Inches (100 mm) and Over: Welded steel bracket and wrought steel clamp.

Vertical Support: Steel riser clamp.

Floor Support: Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

Copper Pipe Support: Carbon steel ring, adjustable, copper plated.

ACCESSORIES

Hanger Rods: Mild steel threaded both ends, threaded one end, or continuous threaded.

INSERTS

Manufacturers:

[_________________________________] Model [________].

Other acceptable manufacturers offering equivalent products.

a)	[_____________________________] Model [________].

[_____________________________] Model [________].

[_____________________________] Model [________].

Inserts: Malleable iron case of [galvanized] steel shell and expander plug for threaded connection with lateral adjustment, top slot for reinforcing rods, lugs for attaching to forms; size inserts to suit threaded hanger rods.

FLASHING

Metal Flashing: [26] [_____] gage ([0.5] [_____] mm thick) galvanized steel.

Metal Counterflashing: [22] [______] gage ([0.8] [_____] mm thick) galvanized steel.

Lead Flashing:

Waterproofing: 5 lb/sq ft (24.5 kg/sq m) sheet lead

Soundproofing: 1 lb/sq ft (5 kg/sq m) sheet lead.

Flexible Flashing: [47] [_____] mil ([1.2] [_____] mm) thick sheet [butyl;] [_____;] compatible with roofing.

Caps: Steel, 22 gage (0.8 mm) minimum; 16 gage (1.5 mm) at fire resistant elements.

EQUIPMENT CURBS

Manufacturers:

[_________________________________] Model [________].

Other acceptable manufacturers offering equivalent products.

[_____________________________] Model [________].

[_____________________________] Model [________].

[_____________________________] Model [________].

Fabrication: Welded 18 gage (1.2 mm) galvanized steel shell and base, mitered 3 inch (75 mm) cant, [variable step to match root insulation,] [1-1/2 inch thick insulation,] factory installed wood nailer.

SLEEVES

Manufacturers:

[_________________________________] Model [________].

Other acceptable manufacturers offering equivalent products.

[_____________________________] Model [________].

[_____________________________] Model [________].

[_____________________________] Model [________].

Sleeves for Pipes Through Non-fire Rated Floors: 18 gage (1.2 mm thick) galvanized steel.

Sleeves for Pipes Through Non-fire Rated Beams, Walls, Footings, and Potentially Wet Floors: Steel pipe or [18] [_____] gage ([1.2] [_____] mm thick) galvanized steel.

Sleeves for Pipes Through Fire Rated and Fire Resistive Floors and Walls, and Fire Proofing: Prefabricated fire rated sleeves including seals, UL listed [,refer to Section 07270].

Sleeves for Round Ductwork: Galvanized steel.

Sleeves for Rectangular Ductwork: Galvanized steel or wood.

[Stuffing] [Firestopping] Insulation: Glass fiber type, non-combustible [; refer to Section 07270].

Sealant: [Acrylic] [_____] [; refer to Section 07900].

PART	EXECUTION

INSTALLATION

Install in accordance with manufacturer's instructions.

INSERTS

Provide inserts for placement in concrete formwork.

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

Provide hooked rod to concrete reinforcement section for inserts carrying pipe over 4 inches (100 mm).

Where concrete slabs form finished ceiling, locate inserts flush with slab surface.

Where inserts are omitted, drill through concrete slab from below and provide through-bolt with recessed square steel plate and nut [above] [flush with top of] [recessed into and grouted flush with] slab.

PIPE HANGERS AND SUPPORTS

Support horizontal piping as scheduled.

Install hangers to provide minimum 1/2 inch (13 mm) space between finished covering and adjacent work.

Place hangers within 12 inches (300 mm) of each horizontal elbow.

Use hangers with 1-1/2 inch (38 mm) minimum vertical adjustment.

Support horizontal cast iron pipe adjacent to each hub, with 5 feet (1.5 m) maximum spacing between hangers.

Support vertical piping at every [other] floor. Support vertical cast iron pipe at each floor at hub.

Where several pipes can be installed in parallel and at same elevation, provide multiple or trapeze hangers.

Support riser piping independently of connected horizontal piping.

Provide [copper plated hangers and supports for copper piping] [sheet lead packing between hanger or support and piping].

Design hangers for pipe movement without disengagement of supported pipe.

Prime coat exposed steel hangers and supports. [Refer to Section 09900.] Hangers and supports located in crawl spaces, pipe shafts, and suspended ceiling spaces are not considered exposed.

EQUIPMENT BASES AND SUPPORTS

Provide [housekeeping pads] [_____] of concrete, minimum 4 inches (100 mm) thick and extending 6 inches (150 mm) beyond supported [equipment] [______]. Refer to Section 03300.

Provide templates, anchor bolts, and accessories for mounting and anchoring equipment.

Construct supports of [steel members]. [Steel pipe and fittings]. Brace and fasten with flanges bolted to structure.

Provide rigid anchors for pipes after vibration isolation components are installed.

FLASHING

Provide flexible flashing and metal counterflashing where piping and ductwork penetrate weather or waterproofed walls, floors, and roofs.

Flash vent and soil pipes projecting 3 inches (75 mm) minimum above finished roof surface with lead worked one inch (25 mm) minimum into hub, 8 inches (200 mm) minimum clear on sides with 24 x 24 inches (600 x 600 mm) sheet size. For pipes through outside walls, turn flanges back into wall and calk, metal counterflash, and seal.

Flash floor drains in floors with topping over finished areas with lead, 10 inches (250 mm) clear on sides with minimum 36 x 36 inch (910 x 910 mm) sheet size. Fasten flashing to drain clamp device.

Seal [floor] [shower] [mop sink] [_____] drains watertight to adjacent materials.

Provide acoustical lead flashing around ducts and pipes penetrating equipment rooms, installed in accordance with manufacturer's instructions for sound control.

Provide curbs for mechanical roof installations [14] [_____] inches ([350] [_____] mm) minimum high above roofing surface. Flash and counterflash with sheet metal; seal watertight. Attach counterflashing mechanical equipment and lap base flashing on roof curbs. Flatten and solder joints.

Adjust storm collars tight to pipe with bolts; calk around top edge. Use storm collars above roof jacks. Screw vertical flange section to face of curb.

SLEEVES

Set sleeves in position in formwork. Provide reinforcing around sleeves.

Size sleeves large enough to allow for movement due to expansion and contraction. Provide for continuous insulation wrapping.

Extend sleeves through floors [one] [_____] inch ([25] [_____] mm) above finished floor level. Calk sleeves.

Where piping or ductwork penetrates floor, ceiling, or wall, close off space between pipe or duct and adjacent work with [stuffing] [fire stopping] insulation and calk. [air tight]. Provide close fitting metal collar or escutcheon covers at both sides of penetration.

Install [chrome plated steel] [plastic] [stainless steel] escutcheons at finished surfaces.

SCHEDULES

HANGER ROD

PIPE SIZE	MAX. HANGER SPACING	DIAMETER

Inches (mm)	Feet (m)	Inches (mm)

1/2 to 1-1/4	6.5 (2)	3/8 (9)

(12 to 32)

1-1/2 to 2	10 (3)	3/8 (9)

(38 to 50)

2-1/2 to 3	10 (3)	1/2 (13)

(62 to 75)

4 to 6	10 (3)	5/8 (15)

(100 to 150)

8 to 12	14 (4.25)	7/8 (22)

(200 to 300)

14 and Over	20 (6)	1 (25)

(350 and Over)

PVC (All Sizes)	6 (1.8)	3/8 (9)

C.I. Bell and

Spigot(or No-Hub)	5 (1.5 )	[___]

and at Joints	([___])

END OF SECTION