SECTION 22 11 13FACILITY WATER DISTRIBUTION PIPING

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Copyright 2016 - 2016 ARCAT, Inc. - All rights reserved

PART 1 GENERAL

1.1 SECTION INCLUDES

A. PVC pipe, fittings and valves.

B. CPVC pipe, fittings and valves.

C. ABS pipe, fittings and valves.

D. Double-containment piping and fittings.

E. Double-containment leak detection systems.

1.2 RELATED SECTIONS

A. Section 22 11 13 - Facility Water Distribution Piping.

B. Section 22 10 00 - Plumbing Piping.

C. Section 22 15 00 - General Service Compressed-Air Systems.

D. Section 22 67 00 - Process Water Systems for Laboratory and Healthcare.

E. Section 22 66 00 - Chemical-Waste Systems for Laboratory and Healthcare Facilities.

1.3 REFERENCES

A. American Society of Mechanical Engineers (ASME):1. ASME B16.5 - Pipe Flanges and Flanged Fittings.2. ASME B1.20.1 - Pipe Threads, General Purpose, Inch.

B. ASTM International (ASTM):1. ASTM A53 - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-

Coated, Welded and Seamless.2. ASTM D256 - Standard Test Methods for Determining the Izod Pendulum Impact

Resistance of Plastics.3. ASTM D1784 - Standard Specification for Rigid Poly (Vinyl Chloride) (PVC)

Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC) Compounds.4. ASTM D1785 - Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe,

Schedules 40, 80, and 120.

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5. ASTM D2235 - Standard Specification for Solvent Cement for Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe and Fittings.

6. ASTM D2310 - Standard Classification for Machine-Made "Fiberglass" (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe.

7. ASTM D2464 - Standard Specification for Threaded Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80.

8. ASTM D2466 - Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40.

9. ASTM D2467 - Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80.

10. ASTM D2661 - Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe and Fittings.

11. ASTM D2665 - Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings.

12. ASTM D2672 - Standard Specification for Joints for IPS PVC Pipe Using Solvent Cement.

13. ASTM D2774 - Standard Practice for Underground Installation of Thermoplastic Pressure Piping.

14. ASTM D2837 - Standard Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials.

15. ASTM D2992 - Standard Practice for Obtaining Hydrostatic or Pressure Design Basis for "Fiberglass" (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe and Fittings.

16. ASTM D2996 - Standard Specification for Filament-Wound "Fiberglass" (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe.

17. ASTM D3139 - Standard Specification for Joints for Plastic Pressure Pipes Using Flexible Elastomeric Seals.

18. ASTM D3311 - Standard Specification for Drain, Waste, and Vent (DWV) Plastic Fittings Patterns.

19. ASTM D3965 - Standard Classification System and Basis for Specifications for Rigid Acrylonitrile-Butadiene-Styrene (ABS) Materials for Pipe and Fittings.

20. ASTM D4101 - Standard Specification for Polypropylene Injection and Extrusion Materials.

21. ASTM F437 - Standard Specification for Threaded Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80.

22. ASTM F439 - Standard Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80.

23. ASTM F441 - Standard Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and 80.

24. ASTM F480 - Standard Specification for Thermoplastic Well Casing Pipe and Couplings Made in Standard Dimension Ratios (SDR), SCH 40 and SCH 80.

25. ASTM F628 - Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe with a Cellular Core.

26. ASTM F645 - Standard Guide for Selection, Design, and Installation of Thermoplastic Water- Pressure Piping Systems.

27. ASTM F1970 - Standard Specification for Special Engineered Fittings, Appurtenances or Valves for use in Poly (Vinyl Chloride) (PVC) or Chlorinated Poly (Vinyl Chloride) (CPVC) Systems.

C. American Water Works Association (AWWA):1. AWWA C651 - Disinfecting Water Mains.

D. FM Global (FM): Commercial Property Insurance:1. FM Approval.

E. Underwriters Laboratories of Canada:1. CAN/ULC S102.2 - Surface Burning Characteristics of Flooring, Floor Covering and

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Miscellaneous Materials and Assemblies.

F. National Standards of Canada (CSA):1. CSA B137.0 - Thermoplastic Pressure Piping Compendium.2. CSA B137.3 - Rigid Polyvinylchloride (PVC) Pipe and Fittings for Pressure

Applications.3. CSA B137.6 - Chlorinated Polyvinylchloride (CPVC) Pipe, Tubing, and Fittings for Hot

and Cold Water Distribution Systems.

G. United States of American Military Specifications (MIL):1. MIL P- 29206 - Pipe and pipe fittings, glass fiber reinforced plastic, for liquid

petroleum lines.

H. National Fire Protection Association (NFPA):1. NFPA 24 - Standard for the Installation of Private Fire Service Mains and Their

Appurtenances.2. NFPA 70 - National Electric Code.

I. National Science Foundation (NSF):1. NSF 14 - Plastics Piping System Components and Related Materials.2. NSF 61 - Drinking Water System Components - Health Effects.

J. Underwriters Laboratories (UL):1. UL 971 - Standard for Nonmetallic Underground Piping for Flammable Liquids.

1.4 DEFINITIONS

A. ABS: Acrylonitrile-Butadiene-Styrene plastic.

B. CPVC: Chlorinated polyvinyl chloride plastic.

C. DWV: Drain, waste, vent.

D. EPDM: Ethylene propylene diene monomer elastomer.

E. FPM - Fluoropolymer.

F. HDB: Hydrostatic design basis.

G. HMI: Human machine interface.

H. LCD: Liquid crystal display.

I. LED: Light emitting diode(s).

J. PPI: Plastic Pipe Institute.

K. PTFE: Polytetrafluoroethylene plastic (Teflon).

L. PVC: Polyvinyl chloride plastic.

M. SDR: Standard dimension ratio; used by plastic pipe manufacturers as a method of rating pressure piping.

1.5 SUBMITTALS

A. Submit under provisions of Section 01 30 00 - Administrative Requirements.

B. Product Data: For each product type specified.

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C. Shop Drawings: Double containment piping systems:1. Piping, supports, spacing.2. Drain, vent, and joint details.3. Wiring Diagrams: Signal, and control wiring.

D. Coordination Drawings: Piping, specialties in relation to surrounding equipment and services.1. To scale: Show piping, equipment locations, and elevations.2. Field test reports.3. Operation and Maintenance data.

1.6 QUALITY ASSURANCE

A. Regulatory Requirements:1. Utility company:

a. Water main tapping.b. Backflow prevention.

2. Authorities having jurisdiction:a. Potable-water piping.b. Fire-suppression water piping.

B. Piping: Labeled and marked as determined by agency approved by authorities having jurisdiction.

C. Standards compliance:1. ASTM F 645.2. FMG's "Approval Guide."3. NFPA 24.4. UL's "Fire Protection Equipment Directory."5. NSF 14.6. NSF 61 Annex G.

D. Electric Devices: NFPA 70, Article 100.1. Listed, labeled and marked by agency approved by authorities having jurisdiction.

E. Double containment systems:1. Manufacturer to design and fabricate.

a. Minimum twenty years' experience.2. Contractor: Trained by manufacture or manufacturer appointed representative.

a. Must be trained prior to installation.

F. Source Limitations: Obtain piping, fittings, valves and accessory equipment from a single manufacturer.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver and store products in manufacturer's unopened packaging bearing the brand name and manufacturer's identification until ready for installation.1. Protect plastic piping from direct sunlight.

a. Support to prevent sagging and bending.2. Protect internal parts, valve ends, and specialties against corrosion, dirt, and damage.3. Store valves set in open position.4. Storage:

a. Indoors: Higher than ambient dew point temperature.b. Outdoors: Well ventilated, light colored watertight enclosures off ground.

B. Handling: Comply with manufacturer's recommendations. Avoid damaging components.

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1. Large Valves: Operating handles or stems are not rigging points for slings.

1.8 PROJECT CONDITIONS

A. Do not interrupt service without arranging temporary water-distribution service.1. Owner or Owner's representative is to be notified a minimum of two days prior to

service interruption.2. Do not proceed without written permission.

PART 2 PRODUCTS

2.1 MANUFACTURER

A. Acceptable Manufacturer: IPEX USA LLC, which is located at: 10100 Rodney St.; Pineville, NC 28134; Toll Free Tel: 800-463-9572; Email:request info (specifications@ipexna.com); Web:www.ipexna.com

B. Substitutions: Not permitted.

C. Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.

2.2 PVC PIPE AND FITTINGS

A. Basis of Design: IPEX USA LLC; Xirtec140 PVC Schedule 40 and 80 Pipe and Fittings.1. Standards:

a. ASTM D 1784.b. ASTM D 1785.c. ASTM D 2464.d. ASTM D 2466.e. ASTM D 2467.f. ASTM D2672.g. ASTM F480.h. CSA B137.0.i. CSA B137.3j. NSF 14.k. NSF 61.

2. Material Requirements: ASTM D1784.a. Cell classification 12454.b. Physical Dimensions: Comply with ASTM D1785.

1) Certified to: CSA B137.3.2) Belled end pipe:

a) ASTM D 2672.b) ASTM F 480.

3. Pipe Marking to comply with the following:a. ASTM D 1785.b. NSF 14.c. CSA B 137.0/137.3.

4. Potable Water Service: NSF 61.5. Pipe Threading: Use Schedule 80 pipe only. PVC threaded joints have a maximum

pressure rating of 50 percent when compared to the same size solvent welded joints operating at the same temperature.

6. Pressure rating at 73 degrees F (23 degrees C) (psi / kPa): ______.7. Fittings: Third party certified to NSF 14.

a. Schedule 40:1) Per standard ASTM D 2466.

b. Schedule 80:

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1) Socket: ASTM D 2467.2) Threaded: ASTM D 2464.3) Taper pipe thread: ASME B1.20.1.

B. Basis of Design: IPEX USA LLC; Clear-Guard; Higher-Pressure Clear PVC Schedule 40 Pipe.1. Standards:

a. ASTM D 1784.b. ASTM D 1785.c. NSF 61.

2. Material Requirements: ASTM D1784. Cell classification: 15334.3. Physical Dimensions: Comply with ASTM D1785.4. Pipe Marking to Comply with the following:

a. ASTM D 1785.b. NSF 14.

5. Potable Water Service: NSF 61.a. Pressure rating at 73 degrees F (23 degrees C) (psi / kPa): ______.b. Hydrostatic Design Basis (HDB): 3150 psi at 73 degrees F (21,718 kPa at 23

degrees C).

2.3 CPVC PIPE AND FITTINGS:

A. Basis of Design: IPEX USA LLC; Corzan CPVC, Schedule 40 and 80 Pipe and Fittings.1. Standards:

a. ASME B1.20.1.b. ASTM D 1784.c. ASTM D 2837.d. ASTM F437.e. ASTM F439.f. ASTM F 441.g. NSF 14.h. NSF 61.

2. Material Requirements: ASTM D1784.a. Cell classification:

1) 24448 for NPS 1/2 to NPS 8 (DN 15 to DN 200).2) 23447 for NPS 10 to NPS 16 (DN 250 to DN 400).3) Schedule 80 Fittings: 23447.

b. Physical Dimensions: Comply with ASTM F441.c. Flame spread rating: 10 in accordance with CAN/ULC S102.2.d. Smoke Development classification: 25 in accordance with CAN/ULC S102.2.

3. Pipe Marking to Comply with the following:a. ASTM F 441.b. NSF 14.

4. Potable Water Service: NSF 61.5. Pipe Threading: Use Schedule 80 pipe only. CPVC threaded joints have a maximum

pressure rating of 50 percent when compared to the same size solvent welded joints operating at the same temperature.

6. Pressure rating at 73 degrees F (23 degrees C) (psi / kPa): ______.7. Schedule 80 Fittings: Third party certified to NSF 14.

a. Socket: ASTM F 439.b. Threaded: ASTM F 437.

1) Taper pipe thread: ASME B1.20.1.c. Marking:

1) ASTM F 437.2) ASTM F 439.3) NSF 14 and 61.

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d. Pressure Rating: Comply with ASTM D2837.1) Hydrostatic Design Basis (HDB): 4000 psi at 72 degrees F (27579 kPa at

22 degrees C).e. Fiberglass reinforced.

8. Full-Pressure Flange Kit:a. Standards:

1) ASTM F 1970.2) NSF 14.3) NSF 61.

b. Elastomeric Gasket: Durometer Hardness: 75-80.c. Steel Backing Ring: Two-piece, zinc plated.d. Decal stickers: Installation instructions.e. Hardware: Grade 8, yellow zinc plated, hex bolts, hex nuts, and heavy duty flat

washers.

2.4 PVC AND CPVC VALVES

A. All valves are to be made of the same material as the attached piping and supplied IPEX or by and IPEX approved equivalent.

B. Ball Valves:1. IPEX VKD Series:

a. Body Material: PVC, cell class 12454 per ASTM D1784.b. Body Material: CPVC, cell class 23447 per ASTM D1784.c. Pressure Rating (psi / kPa): 232 psi at 73 degrees F (1600 kPa at 23 degrees

C).d. Design: Union type.e. Ends: Detachable, socket or threaded.f. Ball and Stem:

1) Material: PVC.2) Material: CPVC.3) Machined smooth.4) Stem Design: Double-O-ring seal, safety shear point.

g. Port: Full.h. Seats: PTFE with in-line micro adjustment.i. Stem Seals: EPDMj. Stem Seals: FPM.k. Unions: Double-blocking. DUAL BLOCK system, locks union nuts to prevent

backing-off due to vibration of thermal cycling.l. Handle: Tee shaped, built-in tool for adjustment of seat carrier.m. Mounting features for actuation.n. NSF 61, potable.

2. IPEX VXE Series:a. Body Material: PVC, cell class 12454 per ASTM D1784.b. Body Material: CPVC, cell class 23447 per ASTM D1784.c. Pressure Rating (psi / kPa): 232 psi at 73 degrees F (1600 kPa at 23 degrees

C).d. Design: Union type.e. Ends: Detachable, socket or threaded.f. Ball and Stem:

1) Material: PVC.2) Material: CPVC.3) Machined smooth.4) Stem Design: Double-O-ring seal, safety shear point.

g. Port: Full.h. Seats: PTFE.

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i. Stem Seals Materal: EPDM.j. Stem Seals Material: FPM.k. Unions: Double-blocking.l. Handle: Tee shaped, built-in to tool to adjust seat carrier and union nuts;

transparent PVC plug and tag holder for valve identification.m. NSF 61, potable.

3. IPEX VEE Series:a. Body Material: PVC per ASTM D 1784. PVC cell class 12454 per ASTM

D1784.b. Pressure Rating (psi / kPa): 232 psi at 73 degrees F (1600 kPa at 23 degrees

C).c. Design: Union type.d. Ends: Detachable, socket or threaded.e. Ball and stem:

1) Material: PVC.2) Machined smooth.3) Stem Design: Single-O-ring seal, safety shear point.

f. Port: Full.g. Seats: PTFE.h. Stem Seals: EPDM.i. Unions: Double-blocking.j. Handle: Tee shaped, built-in to tool to adjust seat carrier and union nuts.k. NSF 61, potable.

C. Butterfly Valves:1. IPEX FK Series:

a. Body Material: Glass Reinforced Polypropylene (GRPP).b. Disc Material: Polypropylene Type 1 homopolymer per ASTM D4101.c. Disc Material: PVC, cell class 12454 per ASTM D1784.d. Disc Material: CPVC, cell class 23447 per ASTM D1784.e. Pressure Rating (psi / kPa): ______.f. Design: Lugged or wafer.g. Disc Liner Material: EPDM.h. Disc Liner Material: FPM.i. Shaft: 316 Stainless steel. Standard ISO square dimension for direct mount

actuation.j. Stem Seals Material: EPDM.k. Stem Seals Material: FPM.l. Handle: Lever or gear box with locking device. Transparent PVC plug and tag

holder for valve identification.2. IPEX FE Series:

a. Body Material: PVC, cell classification 12454 per ASTM D1784.b. Disc Material:

1) PVC.c. Pressure Rating (psi / kPa): ______.d. Design: Wafer.e. Disc Liner: EPDM.f. Shaft: Zinc-plated steel. Standard ISO square dimension for direct mount

actuation.g. Stem Seals: EPDM.h. Handle: Lever or gear box with locking device. Transparent PVC plug and tag

holder for valve identification.

D. Ball-Check Valves:1. IPEX SXE Series:

a. Body Material: PVC, cell class 12454 per ASTM D1784.

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b. Body Material: CPVC, cell class 23447 per ASTM D1784.c. Pressure Rating (psi / kPa): 232 psi at 73 degrees F (1600 kPa at 23 degrees

C).d. True Union.e. Ends: Detachable, socket or threaded.f. Ball Material: PVC.g. Ball Material: CPVC.h. Seals Material: EPDM.i. Seals Material: FPM.j. Design: Valve cavity includes full body guide ribs. Transparent plug housing for

labelling.

E. Spring Check Valves:1. IPEX SSE Series:

a. Body Material: PVC, cell class 12454 per ASTM D1784.b. Pressure Rating (psi / kPa): 232 psi at 73 degrees F (1600 kPa at 23 degrees

C).c. Design: True Union.d. Ends: Detachable, socket or threaded.e. Ball Material: PVC.f. Spring: 316 stainless steel.g. Spring: PTFE encapsulated 316 stainless steel.h. Seals Material: EPDM.i. Seals Material: FPM.

F. Diaphragm Valves:1. IPEX DK Series:

a. Body Material: PVC, cell class 12454 per ASTM D1784.b. Body Material: CPVC, cell class 23447 per ASTM D1784.c. Pressure Rating (psi / kPa): ______.d. Design: Bolted-bonnet.e. End connection type:

1) Up to NPS 2 (DN 50):a) Socket.b) Flanged.c) Spigot.d) Threaded.

2) NPS 2-1/2 (DN 65) and larger:a) Flanged.b) Spigot.

f. Diaphragm Material: EPDM.g. Diaphragm Material: FPM.h. Diaphragm Material: PTFE backed with EPDM.i. Handle: Wheel type that can be adjusted and locked in over 300 positions.j. Graduated optical position indicator to allow for a visual check of the valve

position.

G. Strainer Valves:1. IPEX RV Series Sediment Strainer:

a. Body Material: PVC, cell class 12454 per ASTM D1784.b. Body Material: CPVC, cell class 23447 per ASTM D1784.c. Pressure Rating (psi / kPa): ______.d. NSF 61 for potable water.e. Seals Material: EPDM.f. Seals Material: FPM.g. Connections: Socket, NPT Threaded, flanged per ANSI B16.5.

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h. Mesh Screen: PVC, size 18 mesh.i. Mesh Screen: PVC, size 30 mesh.j. Mesh Screen: PVC, size 35 mesh.k. Mesh Screen: PVC, size 50 mesh.l. Mesh Screen: PP Homopolymer, size 30 mesh.m. Mesh Screen: 304 Stainless steel, size 35 mesh.n. Design: Y-pattern style. Must be able to service valve without removing it from

the line.

H. Air Release Valves:1. IPEX VA Series Air Release Valves:

a. Body: PVC, cell class 12454 per ASTM D1784.b. Pressure Rating (psi / kPa): ______.c. Meets NSF 61 for potable water.d. Seals Material: EPDM.e. Seals Material: FPM.f. Connections: Socket, NPT Threaded.g. Design:

1) Single union design.2) Piston-style sealing mechanism.3) Opening and closing of valve is not affected by pressure.4) Valve shall close when liquid is in contact with the piston.5) Valve shall open when air or gas is in contact with the piston.6) Valve shall function as a vacuum breaker.

2.5 ABS PIPE, FITTINGS, AND VALVES

A. Basis of Design: IPEX USA LLC; Duraplus ABS Industrial Piping, Fittings and Valves.1. Standards:

a. ASME B16.5.b. ASTM D256.c. ASTM D 2235.d. ASTM D3965.

2. Material Requirements:a. Cell Class 43232 per ASTM D 3965.b. Izod Impact resistance rating.

1) 6 ft per lb at 73 degrees F (8.93 kg per m at 23 degrees C).2) 3 ft per lb at -22 degrees F (4.46 kg per m at -30 degrees C).

3. Pressure Rating: At 73 degrees F (23 degrees C).a. NPS 3/8 to NPS 2 (DN 10 to DN 50); Class T, 180 psi (12 bar).b. NPS 3/8 to NPS 4 (DN 10 to DN 100); DR 10.0, Class 230 psi (16 bar).c. NPS 1 to NPS 6 (DN 25 to DN 150); DR 12.5, Class 180 psi (12 bar).d. NPS 1 to NPS 8 (DN 25 to DN 200); DR 15.5, Class 145 psi (10 bar).e. NPS 6 to NPS 8 (DN 150 to DN 200); DR 19.0, Class 115 psi (8 bar).f. NPS 10 to NPS 12 (DN 250 to DN 300); DR 24.0, Class 90 psi (6 bar).

4. Fittings: Socket type end connections.5. Ball Valves: Full port.

a. Material Requirements: ABS complying with ASTM D3965. Cell classification: 43234.

b. Seats: PTFE with in-line micro adjustment.c. Seals: EPDM.d. End Connections: Union, socket type.e. Pressure rating at 73 degrees F (23 degrees C): 232 psi (1600 kPa).f. Markings: Size, material, name of manufacturer or trademark.

6. Butterfly Valves:a. Material Requirements:

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1) Valve Body: Glass reinforced polypropylene.2) Valve Disc: ABS complying with ASTM D3965. Cell classification: 43234.

b. Disc Liner: EPDM completely isolating valve body from process flow.c. Seals: EPDM.d. End Connections: ANSI 150 Flanges per ASME B16.5.e. Pressure Rating at 73 degrees F (23 degrees C):

1) 1/2 NPS to 10 NPS (15 DN to 250 DN): 150 psi (1034 kPa).2) 12 NPS (300 DN): 120 psi (827 kPa).

f. Markings: Size, material, name of manufacturer or trademark.7. Diaphragm Valves: Weir-style with rising indicator.

a. Material Requirements:1) Valve Body and unions: ABS complying with ASTM D3965. Cell

classification: 43234.2) Valve Bonnet: Glass reinforced polypropylene.

b. Diaphragm: EPDM.c. End Connections: Union socket type.d. Pressure rating at 73 degrees F (23 degrees C): 150 psi (1034 kPa).e. Markings: Size, material, name of manufacturer or trademark.

8. Single Union Ball Check Valves: Positive shutoff in both vertical and horizontal applications.a. Material Requirements: ABS complying with ASTM D3965. Cell classification:

43234.b. Seats: PTFE.c. Seals: EPDM.d. End Connections: Union, socket type.e. Pressure Rating at 73 degrees F (23 degrees C): 232 psi (1600 kPa).f. Markings: Size, material, name of manufacturer or trademark.

9. Strainers: Y-pattern.a. Material Requirements: ABS complying with ASTM D3965. Cell classification:

43234.b. Seals: EPDM.c. Screen: Polypropylene.d. End Connections: Union, socket type.e. Pressure Rating at 73 degrees F (23 degrees C): NPS 1/2 to NPS 2 (DN 15 to

DN 50): 150 psi (1034 kPa).f. Markings: Size, material, name of manufacturer or trademark.

10. Solvent Cement: ASTM D 2235.

2.6 DOUBLE-CONTAINMENT PIPING AND FITTINGS

A. Basis of Design: IPEX USA LLC; Clear-Guard Double Containment Systems.1. Description of Systems:

a. Chemical Name: _______. Percent: ______.2. Prefabricated double containment piping system; fabricated, installed and tested in

accordance with IPEX's recommendations and as specified herein and shall be suitable for the intended service.a. Each system to have suitable drains and vents for both primary and secondary

systems.b. Drain fittings: In secondary piping for valve attachment and drainage of

containment area.c. All fittings will be preassembled and pre-tested by manufacture.d. Piping system manufacturer to provide termination fittings to transition between

single-wall and double-wall systems.3. Primary Piping System:

a. Xirtec140 PVC Pipe and Fittings:1) Pressure pipe schedule 40 thickness per ASTM D 1785 and pressure

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fittings schedule 40 per ASTM D 2466.2) Pressure pipe schedule 80 thickness per ASTM D 1785 and pressure

fittings schedule 80 per ASTM D2467.b. Corzan CPVC Pipe and Fittings:

1) Pressure pipe schedule 40 thickness per ASTM F 441 and pressure fittings schedule 80 per ASTM F 439.

2) Pressure pipe schedule 80 thickness per ASTM F 441 and pressure fittings schedule 80 per ASTM F 439.

c. Duraplus ABS Industrial Pipe and Fittings:1) Class: 230 psi (16 bar) NPS 3/8 to NPS 4 (DN 10 to DN 100) DR 10.0.2) Class: 180 psi (12 bar) NPS 1 to NPS 6 (DN 25 to DN 150); DR 12.5.3) Class: 145 psi (10 bar) NPS 1 to NPS 8 (DN 25 to DN 200); DR 15.5.4) Class: 115 psi (8 bar) NPS 6 to NPS 8 (DN 150 to DN 200); DR 19.0.5) Class: 90 psi (6 bar) NPS 10 to NPS 12 (DN 250 to DN 300); DR 24.0.

4. Secondary Containment Piping System: Clear-Guard Clear PVC: Schedule 40 pipe thickness per ASTM D 1785, and fittings, white schedule 40 per ASTM D 2466.

5. Primary Fitting Supports:a. NPS 1/2 to NPS 4 (DN 15 to DN 100): Centra-Lok molded supports.b. NPS 6 (DN 150) or larger: PP fitting disks.

6. Primary Piping Supports:a. IPEX polypropylene Centra-Guide supports.

B. Basis of Design: IPEX USA LLC; Guardian Double Containment Systems.1. Prefabricated double containment piping system; fabricated, installed and tested in

accordance with IPEX's recommendations and as specified herein and shall be suitable for the intended service.a. Each system to have suitable drains and vents for both primary and secondary

systems.b. Drain fittings: In secondary piping for valve attachment and drainage of

containment area.c. All fittings will be preassembled and pre-tested by manufacture.d. Piping system manufacturer to provide termination fittings to transition between

single-wall and double-wall systems.2. Primary Piping System:

a. Xirtec140 PVC Pipe and Fittings:1) Pressure pipe schedule 40 thickness per ASTM D 1785 and pressure

fittings schedule 40 per ASTM D 2466.2) Pressure pipe schedule 80 thickness per ASTM D 1785 and pressure

fittings schedule 80 per ASTM D2467.b. Corzan CPVC Pipe and Fittings:

1) Pressure pipe schedule 40 thickness per ASTM F 441, and pressure fittings schedule 80 per ASTM F 439.

2) Pressure pipe schedule 80 thickness per ASTM F 441, and pressure fittings schedule 80 per ASTM F 439.

c. Duraplus ABS Industrial Pipe and Fittings:1) Class: 230 psi (16 bar) NPS 3/8 to NPS 4 (DN 10 to DN 100) DR 10.0.2) Class: 180 psi (12 bar) NPS 1 to NPS 6 (DN 25 to DN 150); DR 12.5..3) Class: 145 psi (10 bar) NPS 1 to NPS 8 (DN 25 to DN 200); DR 15.5.4) Class: 115 psi (8 bar) NPS 6 to NPS 8 (DN 150 to DN 200); DR 19.0,5) Class: 90 psi (6 bar) NPS 10 to NPS 12 (DN 250 to DN 300); DR 24.0,

3. Secondary Containment Piping System:a. Xirtec140 PVC Pipe and Fittings:

1) Pressure pipe schedule 40 thickness according to ASTM D 1785, and pressure fittings schedule 40 per ASTM D 2466.

2) Pressure pipe schedule 80 thickness according to ASTM D 1785, and pressure fittings schedule 80 per ASTM D2467.

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b. Corzan CPVC Pipe and Fittings:1) Pressure pipe schedule 40 thickness according to ASTM F 441, and

pressure fittings schedule 80 per ASTM F 439.2) Pressure pipe schedule 80 thickness according to ASTM F 441, and

pressure fittings schedule 80 per ASTM F 439.c. Duraplus ABS Industrial Pipe and Fittings:

1) Class: 230 psi (16 bar) NPS 3/8 to NPS 4 (DN 10 to DN 100) DR 10.0.2) Class: 180 psi (12 bar) NPS 1 to NPS 6 (DN 25 to DN 150); DR 12.5.3) Class: 145 psi (10 bar) NPS 1 to NPS 8 (DN 25 to DN 200); DR 15.5.4) Class: 115 psi (8 bar) NPS 6 to NPS 8 (DN 150 to DN 200); DR 19.0.5) Class: 90 psi (6 bar) NPS 10 to NPS 12 (DN 250 to DN 300); DR 24.0.

4. Primary Fitting Supports:a. NPS 1/2 to NPS 4 (DN 15 to DN 100): Centra-Lok molded supports.b. NPS 6 (DN 150) or larger: PP fitting disks.

5. Primary Piping Supports:a. IPEX polypropylene Centra-Guide supports.

C. Basis of Design: IPEX USA LLC; Drain-Guard Double Containment Systems.1. Prefabricated double containment piping system; fabricated, installed and tested in

accordance with IPEX's recommendations and as specified herein and shall be suitable for the intended service.a. Each system to have suitable drains and vents for both primary and secondary

systems.b. Drain fittings: In secondary piping for valve attachment and drainage of

containment area.c. All fittings will be preassembled and pre-tested by manufacture.d. Provide termination fittings to transition between single-wall and double-wall

systems.2. Primary Piping System:

a. PVC Pipe and Fittings: DWV thickness per ASTM D 2665, schedule 40 thickness per ASTM D 1785 or schedule 80 thickness per ASTM D 1785.

3. Secondary Containment Piping System:a. PVC Pipe and Fittings: DWV thickness per ASTM D 2665, schedule 40

thickness per ASTM D 1785 or schedule 80 thickness per ASTM D 1785.1) Molded DWV fittings schedule 40 per ASTM D 2466.2) Fabricated DWV fittings schedule 40 per ASTM F 1866.

4. Primary Fitting Supports:a. NPS 1/2 to NPS 4 (DN 15 to DN 100): Centra-Lok molded supports.b. NPS 6 or larger: PP fitting disks.

5. Primary Piping Supports: IPEX polypropylene Centra-Guide supports.

D. Basis of Design: IPEX USA LLC; CustomGuard Schedule 40 A-53 Carbon Steel / UL FRP Double Containment Systems.1. Prefabricated double containment piping system; fabricated, installed and tested in

accordance with IPEX's recommendations and as specified herein and shall be suitable for the intended service.a. Each system to have suitable drains and vents for both primary and secondary

systems.b. Drain fittings: In secondary piping for valve attachment and drainage of

containment area.c. All fittings will be preassembled and pre-tested by manufacture.

2. Standards:a. ASTM D2310.b. ASTM D2992.c. ASTM D2996.d. MIL P-29206.

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e. UL 971.3. Primary Piping System and Fittings: Schedule 40 A-53 Carbon steel, per ASTM F441.

a. End Connections: Pre-beveled for field welding.4. Secondary Containment Piping System: UL listed FRP.

a. End Connections: Spigot.5. Primary Piping Supports: Comply with ASTM D2310, ASTM D2992, ASTM D2996,

and MIL-P 29206.

E. Basis of Design: IPEX USA LLC; CustomGuard Schedule 40 A-53 Carbon Steel / Schedule 80 PVC Double Containment Systems.1. Prefabricated double containment piping system; fabricated, installed and tested in

accordance with IPEX's recommendations and as specified herein and shall be suitable for the intended service.a. Each system to have suitable drains and vents for both primary and secondary

systems.b. Drain fittings: In secondary piping for valve attachment and drainage of

containment area.c. All fittings will be preassembled and pre-tested by manufacture.

2. Standards:a. ASTM A53.b. ASTM D1784.c. ASTM D2466.d. ASTM D2665.

3. Primary Piping System and Fittings: Schedule 40 ASTM A53 Carbon steel.a. End Connections: Pre-beveled for field welding.

4. Secondary Containment Piping System and Fittings: Xirtec 140 PVC per ASTM D2665, schedule 80 per ASTM D1784, Type 1, Grade 1. Fittings per ASTM D2466.

5. Primary Piping Supports:a. NPS 1-1/2 to NPS 4 (DN 40 to DN 100): Centra-Lok molded supports.b. NPS 6 (DN 150) and larger: IPEX polypropylene Centra-Guide supports.

2.7 DOUBLE-CONTAINMENT LEAK DETECTION SYSTEMS

A. Point Leak Detection Systems:1. Above-Ground Leak Detection System:

a. Basis of Design: IPEX USA LLC; Centra-Guard Leak Detection.b. Per Zone: Capacitive sensor station.

1) External, non-intrusive sensor, drip leg and drain valve with hose connection.

c. Sensor: LED testing lamp, adjusting potentiometer; removable for periodic testing. Not to penetrate containment piping nor contact with leaking media.

d. Control console: NEMA 4X enclosure.1) Operating voltage: 120 VAC.2) Voltage to zone sensors: 24 VDC.3) Keyed on/off switch, keyed alarm silence switch, and common audible

and visual alarm.4) Power indicator light,5) LCD display; continuous system operating conditions.

a) Indicate date, time, zone, and type of alarm (break/short, sensor malfunction or leak) and store data in nonvolatile memory.

6) HMI buttons; scroll through history, status, test screens, and alarm acknowledgement.

7) An external output switch for accessory alarms; RS-232 communication port.

2. Below-Ground Leak Detection System:a. Basis of Design: IPEX USA LLC; Centra-Guard Leak Detection.

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b. Per Zone: Capacitive sensor station.1) Internal, non-intrusive sensor, drip leg, and pump-out port.

c. Sensor: LED testing lamp, adjusting potentiometer; removable for periodic testing.1) Control Console: NEMA 4X enclosure.2) Operating voltage: 120 VAC.3) Voltage to zone sensors: 24 VDC.4) Keyed on/off switch, keyed alarm silence switch, and common audible

and visual alarm.5) Power indicator light,6) LCD display; continuous system operating conditions.

a) Indicate date, time, zone, and type of alarm (break/short, sensor malfunction or leak) and store data in nonvolatile memory.

7) HMI buttons; scroll through history, status, test screens, and alarm acknowledgement.

8) An external output switch for accessory alarms; RS-232 communication port.

B. Continuous Cable Leak Detection:1. Basis of Design: IPEX USA LLC; PAL-AT Continuous Cable Leak Detection.

a. Microprocessor based panel: Continuous monitoring of sensor string for leaks, breaks and shorts.

b. Sensing range: Per cable.c. Alarm Units Operation: Pulsed energy reflection and capable of mapping entire

length of sensor cable and storing the digitized system map in nonvolatile memory.1) Continuous indication sensor cable is being monitored.2) Enclosure: Modified NEMA 12 enclosure with two line by forty-character

display providing status and alarm data.d. Monitoring Units:

1) Power Source: 120 / 240 VAC, 50/100 VA, 50 / 60 Hz, single phase or 24 VDC, 24 VA.

2) SPDT Output Relay: 250 VAC, 10 A; one common and one per cable.3) Alarm Horn: 75 dB chime.

a) Field connected.b) Factory mounted.

4) Red LED illuminated when any cable is in alarm.5) Provide connections for intrinsically safe sensor circuits for use in Class

1, Division 1, Group C and D or Zone 0, Group II B Hazardous Locations.a) UL Listed.b) FM Approved to provide connections for intrinsically safe sensor

circuits for use in Class 1, Division 1, Group C and D Hazardous Locations.

e. Sensor cables, connectors, probes and jumpers: Supplied by the manufacturer of the monitoring units.

f. Software: Will allow manufacturer too remotely or on-site interface through the RS-232 serial port for trouble shooting and diagnostics.1) Will operate the PAL-AT monitoring units and retrieve each of the stored

reference maps and current condition TDR traces.

PART 3 EXECUTION

3.1 EARTHWORK

A. Refer to applicable sections in Division 31 for excavating, trenching, and backfilling.

3.2 EXAMINATION

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A. Verification of Conditions: Examine areas and conditions under which Work is to be performed and identify conditions that may be detrimental to proper or timely completion.1. Rough-in for water-supply, sanitary drainage and vent piping systems: Verify

locations; pipe and connection.2. Walls and partitions: Suitable thickness.

B. Fixture and Valve Interiors: Clean and free of foreign matter, and corrosion. Remove packing used to prevent disc movement.1. Operate valves from fully open to fully closed positions.2. Verify guides and seats are clean and free of foreign matter, and corrosion.

C. Threads on Valves Fittings and Fixtures: Inspect valve and mating pipe for form and cleanliness.

D. Mating Flange Faces: Inspect for conditions that may cause leaking.1. Bolting: Proper size, length, and material.2. Gaskets: Proper size and material composition suitable for application; defect and

damage free.

E. Replace defective fixtures and valves with new.

F. Do not proceed until unsatisfactory conditions have been corrected.

3.3 PIPING APPLICATIONS

A. Underground water-service piping:1. PVC, schedule 40 and schedule 80 pipe: NPS 3/4 to NPS 8 (DN 20 to DN 200).

a. Socket fittings.

B. Aboveground and enclosed water-service piping:1. PVC, Schedule 80 pipe: NPS 3/4 to NPS 8 (DN 20 to DN 200).

a. Socket fittings.b. Threaded fittings.

3.4 PIPING INSTALLATION

A. See appropriate sections in Division 33 for common requirements for utility piping.

B. Water-Main Connection:1. Utility company to provide tap: Coordinate size and location of tap.2. Contractor to tap water main: Follow utility company requirements.

C. Fire service mains: Comply with NFPA 24.

D. Install PVC pipe according to ASTM F 645.

E. Buried piping:1. Bury in accordance with manufacturers recommendations.2. Minimum top below frost penetration: 12 inches (300 mm).3. Driveways: Minimum cover over top 36 inches (910 mm).4. Railroad Tracks: Minimum cover over top 48 inches (1220 mm).5. Loose rocky soil: Minimum cover over top 24 inches (605 mm).

F. Tunneling or Jacking: Allowed when necessary not to disturb obstructions.

G. Connect building-water-piping systems at locations and pipe sizes indicated, on outer wall face.1. Cap piping. Connect to building when building systems are ready.

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H. Pipe joints: Per manufacturer's written instructions.1. Join dissimilar pipe materials with adapters compatible with pipe materials being

joined.2. Underground piping: Restrained joints at directional changes both horizontal and

vertical.a. Restrained-joint piping, thrust blocks, anchors, tie-rods and clamps, and other

supports.

I. Anchorages:1. Thrust blocks.2. Pipe clamps and tie rods.3. ______.

J. Restrained joints:1. Mechanical.2. Set-screw retainers.3. Flanged.4. Heat-fused.5. ______.

3.5 VALVE INSTALLATION

A. Install products in accordance with manufacturer's instructions, approved submittals, and in proper relationship with adjacent construction.1. Valves in horizontal piping to have stems at or above pipe center.2. Valves to be positioned allowing full stem movement.3. Valves with threaded connections to have unions at each piece of equipment.

a. Arrange to allow easy access, service, maintenance, and equipment removal without system shutdown. Provide separate support where necessary.

4. Valve tags and signage:a. Comply with Section 23 05 53 - Identification for HVAC Piping and Equipment

"Identification for Plumbing Piping and Equipment" for valve tags, schedules and signs on surfaces concealing valves.

b. Comply with NFPA 24 as it applies to the piping system in which valves are installed.

3.6 LEAK-DETECTION AND MONITORING SYSTEM INSTALLATION FOR DOUBLE CONTAINMENT PIPING

A. Install panel where indicated on drawings.

B. System manufacturer to provide factory trained personnel for pre-installation meeting and installation of sensors and electronics.

3.7 CONNECTIONS

A. See sections in Division 33 that cover piping connections to valves and equipment.

B. Connection of water-distribution piping.1. Water main.

a. Tapping sleeve and valve.b. Clamp and corporation valve.c. ______.

2. Facility:a. Domestic water piping.b. Fire-suppression] piping.

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C. Waste piping:1. Sanitary sewerage system.

a. See appropriate sections in Division 22 that cover sanitary sewerage connections.

2. Storm-drainage system.a. See appropriate sections in Division 33 that cover storm-sewer connections.

3.8 FIELD QUALITY CONTROL

A. Test per authorities having jurisdiction to a maximum pressure of the lowest pressure-rated appurtenance in the system.

B. Piping Tests: prior to covering and after curing and setting of concrete thrust blocks. Fill and pressurize pipeline to test pressure a minimum of 24 hours before testing.1. Use high purity water for testing of high purity piping systems.2. Use potable water for all other piping systems.

C. Hydrostatic Tests, Single-Wall Pressure Piping:1. Test Pressure: One-and-one-half times the working pressure up to the maximum

pressure of the lowest pressure-rated appurtenance in the system.a. Fully inspect installed piping for evidence of mechanical abuse and/or suspect

joints.b. Split system into test sections not exceeding 1,000 feet (305 m).c. Slowly fill the pipe section with water, at a velocity of 1.0 feet/sec (.3 m/s) or

less.d. Evacuate any entrapped air venting from the high points.e. Allow a minimum of one hour for temperature equilibrium to be achieved in test

section before pressurizing.f. Visually check test section for leaks. If clear, check for and remove and

remaining air and increase pressure up to 50 psi (34.5 kPa).g. Leave section pressurized for 10 minutes.

1) If the pressure decays, inspect for leaks.2) If the pressure remains constant, slowly increase the hydrostatic

pressure to one-and - one-half times the nominal working pressure up to the maximum pressure of the lowest pressure-rated appurtenance in the system.

h. Leave the section pressurized for a period not exceeding 1 hour. During this time, the pressure should remain constant.1) If there is a significant drop in static pressure or extended times are

required to achieve pressure, either joint leakage has occurred or air remains in the line.a) Inspect for leakage and if none is apparent, reduce the pressure

and check for trapped air.1) Trapped air must be removed before further testing.2) Repair joint leaks and allow to cure fully before re-

pressurizing.

D. Hydrostatic Tests, Single-Wall DWV Piping:1. Hydrostatically test in accordance with local authority having jurisdiction or with a

maximum of 10 feet (3 m) of head pressure.a. Fully inspect the installed piping for evidence of mechanical abuse and suspect

joints.b. Split the system into convenient test sections, not exceeding 1,000 feet (305

m).c. Prior to starting the test in below grade applications, straight lengths of pipe

should be backfilled between fittings that are tested.d. Slowly fill the pipe section with water, taking care to evaluate all trapped air in

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the process.e. Allow a minimum of one hour for temperature equilibrium to be achieved in test

section before pressurizing.f. Visually check the system for leaks.g. Pressurize the system to a suggested maximum of 10 feet (3 m) of head by

means of a standard 10 foot (3 m) standing water test using a 10 foot (3 m) vertical riser, or a low-pressure hand pump.

h. Leave the line at 10 feet (3 m) of head for a period of 2 hours, during which time the water level should not change, nor should the pressure gauge reading change (hand pump test).1) If there is a significant drop in pressure, or extended times are required

to achieve the desired pressure, either joint leakage has occurred or air is entrapped.a) Remove air pockets if present.b) Repair leaking joints per manufacturer's recommendations.

2. Remake leaking joints with new materials and repeat test until leakage is within allowed limits.

E. Testing, Double Containment Piping:1. Primary Pipe - Hydrostatic Test:

a. Hydrostatically test in accordance with local authority having jurisdiction up to the maximum pressure of the lowest pressure-rated appurtenance in the system.1) Repeat steps as outlined in this Article, Paragraph C. for testing a single

wall pressure piping system or Paragraph D. for testing a single was DWV piping system.

2. Secondary Pipe - Air Testing:a. To be completed if it is determined by the engineer and/or authority having

jurisdiction that a hydrostatic test is not possible.b. Do not drain the primary pipe, leave the primary pipe at 10 foot (3 m) head

hydrostatic pressure.1) Fill the secondary pipe with air to a maximum of 5 psi (34.5 kPa) for 1

hour.2) Exposed secondary should be wiped with an IPEX approved leak

detector.3) Continuously check the pressure gauge to ensure that there is no

pressure decay.

F. Prepare test and inspection reports.

3.9 IDENTIFICATION

A. Comply with requirements for identification specified in Section 15076 - Identification for HVAC Piping and Equipment "Identification for Plumbing Piping Systems."

B. Comply with requirements for identification specified in Section - "Identification for Electrical Systems."

C. Continuous underground detector tape is to be installed during backfilling.1. Below finished grade, over piping.

a. See relevant sections in Division 31 for detector tape specification.

3.10 ADJUSTING

A. Flow regulators: Proper flow of water through fixtures.

B. Replace damaged fixtures, fittings, and controls.

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3.11 CLEANING

A. Flush and disinfect piping systems as described by authorities having jurisdiction.

B. Flush and disinfect piping systems per NFPA 24 for flushing of piping.1. Use potable water until contaminants no longer appear at outlets.

C. Flush and disinfect piping systems:1. Use procedures described by AWWA C651 or do as follows:2. Fill system with water containing a minimum of 50 ppm of chlorine.

a. Let stand for twenty-four hours.3. Fill system with water containing a minimum of 200 ppm of chlorine.

a. Let stand for three hours.4. Flush system with potable water until no chlorine remain in system.

a. Submit water samples to authorities having jurisdiction for testing.5. Repeat procedure if biological examination shows evidence of contamination.

D. Prepare reports: Flushing, disinfecting, and testing.

END OF SECTION

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