33 10 00 Water Piping Structures and Appurtenances_AMEND 4.pdf

American States Utility Services 33 10 00 - 1 Water Pipe, Structures and Appurtenances

Revision Date: 03/28/2022

33 10 00 WATER PIPE, STRUCTURES AND APPURTENANCES

SECTION 1 - GENERAL

1.1 SUMMARY

A. This Section specifies water systems and water distribution pipeline, water structures, and appurtenances outside the building for water and fire mains.

B. The intent and purpose of these specifications is to require a complete and satisfactory installation in every respect and any defects in material or workmanship shall be cause for the replacement and correction of such defect as directed by the Utility.

1.2 QUALITY ASSURANCE

A. Prior to shipment, each joint of pipe shall be stamped by an independent testing laboratory, certifying compliance with the specifications. Pipe sizes indicated shall be nominal inside diameter of the pipe.

B. Regulatory Requirements:

1. The Contractor shall comply with Utility requirements.

2. Plastic piping shall be NSF 14 product certified for plastic potable water service piping. Piping shall be marked "NSF-pw" on piping. Plastic fittings for piping shall be NSF 61 product certified.

3. Fire service main products shall comply with FMG's "Approval Guide" or UL's "Fire Protection Equipment Directory".

4. Fire service main piping for fire suppression shall comply with NFPA 24 for materials, installations, tests, flushing, and valve and hydrant supervision.

5. Procedures and personnel for Steel Support Welding shall be qualified in accordance with AWS D1.1/D1.1M, "Structural Welding Code - Steel."

6. Steel Piping Welding

a. Processes and operators shall be qualified in accordance ASME Boiler and Pressure Vessel Code: Section IX, "Welding and Brazing Qualifications."

b. The Contractor shall comply with provisions in ASME B31 Series, "Code for Pressure Piping."

c. Each welder shall be certified to have passed AWS qualification tests for welding processes involved and that certification is current.

7. All marking shall comply with ASME A13.1 for lettering size, length of color field, colors, and viewing angles of identification devices.

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8. All products for water-service piping and specialties for potable water shall be NSF 61 product certified.

9. All products for water-service piping and specialties for potable water shall be NSF 372 product certified, as applicable, in accordance with the Reduction of Lead in Drinking Water Act, Effective 2014.

C. HDPE Piping

1. HDPE pipe shall be furnished by manufacturers who are fully experienced, reputable, and qualified in the manufacture of the HDPE pipe to be furnished.

2. All HDPE pipe and fittings shall be from a single manufacturer.

3. Inspection of the pipe may be made by any representative of the Utility after delivery. Pipe rejected after delivery shall be identified as such, and shall be immediately removed from the job site.

4. The physical appearance of the HDPE pipe having deformities such as concentrated ridges, discoloration, excessive spot roughness, pitting, varying wall thickness, etc., shall constitute sufficient basis for rejection.

5. HDPE pipe shall be homogenous throughout and shall be free of visible cracks, holes, foreign inclusions or other defects.

6. HDPE pipe with gashes, nicks, abrasions or any such physical damage that may have occurred during storage, and/or handling, which are wider or deeper than 10 percent of the wall thickness, shall not be used and shall be removed from the job site.

7. Contractor performing installation of fused HDPE shall have successfully completed installation of 3000 linear feet of fused HDPE prior to date of installation on the project.

D. Fusible PVC Piping

1. Fusible polyvinylchloride pipe shall be tested at the extrusion facility for properties required to meet all applicable parameters as outlined in either AWWA C900, applicable sections of ASTM D2241, ASTM D3034, or ASTM F679.

2. Testing priority for Fusible PVC Pipe shall be in conformance with AWWA C900, except for pipe made to the ASTM D3034 or ASTM F679 standards, which shall be tested to those standards.

3. Contractor performing installation of Fusible PVC shall have successfully completed installation of 3000 linear feet of Fusible PVC prior to date of installation on the project.

4. Fusion Technician shall be fully qualified by the pipe supplier to install fusible polyvinylchloride pipe of the type(s) and size(s) being used.

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Qualification shall be current as of the actual date of fusion performance on the project. The Fusion Technician shall have successfully fused at least 3000 lf of Fusible PVC prior to date of installation on the project

5. Warranty

a. The pipe and the fusion services shall be warranted for 2 years per the Utility’s standard warranty.

E. All piping and other appurtenances provided as part of the project shall be comprised of non-asbestos containing material.

1.3 SUBMITTALS

A. The contractor shall submit the following prior to construction and use:

1. Product Data: For each type of product indicated to be installed on the project.

2. Shop Drawings:

a. Detail of all pipe types, sizes, and fittings to be used on the project.

b. Detail of Equipment, to be used on the project to include but shall not be limited to valves, meters, back-flow prevention devices, enclosures, fire hydrants, etc.

c. Detail precast concrete vault assemblies and indicate dimensions, method of field assembly, and components.

3. Field quality control test reports.

4. Operation and maintenance data.

5. Dielectric fittings.

6. Identification devices.

7. Welding Certificates

8. Post construction testing results

9. Concrete Mix Design

B. Fusible PVC Submittals

1. The following Product Data is required from the Fusible PVC pipe supplier and/or fusion provider:

a. Pipe Size

b. Pressure Class per applicable standard

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c. Color

d. Recommended Minimum Bending Radius

e. Recommended Maximum Safe Pull Force

f. Pipe and fusion services warranty information.

g. Written procedural documentation for piping products including proper handling and storage, installation, tapping, and testing.

h. Fusion technician qualification indicating conformance with this specification.

2. Certification by pipe manufacturer that the personnel performing fusing of polyvinylchloride pipe and fittings have training to install fusible polyvinylchloride pipe of the type(s) and size(s) being used.

3. Post-Construction Submittals shall include a fusion report for each fusion joint performed on the project, including joints that were rejected. Specific requirements of the Fusion Technician’s joint report shall include:

a. Pipe Size and Thickness

b. Machine Size

c. Fusion Technician Identification

d. Job Identification

e. Fusion Joint Number

f. Fusion, Heating, and Drag Pressure Settings

g. Heat Plate Temperature

h. Time Stamp

i. Heating and Cool Down Time of Fusion

j. Ambient Temperature

4. HDPE Pipe

a. Certification by manufacturer of fusing equipment that the personnel performing fusing of HDPE pipe and fittings have successfully completed training in handling replacement pipe materials, butt fusion of pipe joints, saddle fusion of fittings for service laterals, and operation and maintenance of all equipment to be used.

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1.4 REFERENCES

AASHTO M 306 Standard Specification for Drainage, Sewer, Utility and Related Castings

ANSI/SCTE 77 Specifications for Underground Enclosure Integrity

ANSI B16.5 Pipe Flanges and Flanged Fittings

ASME A112.1.2 Air Gaps in Plumbing Systems (for Plumbing Fixtures and Water- Connected Receptors)

ASME B16.1 Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, And 250

ASTM A48 Standard Specification for Gray Iron Castings

ASTM A126 Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings

ASTM A252 Standard Specification for Welded and Seamless Steel Pipe Piles

ASTM A536 Standard Specification for Ductile Iron Castings

ASTM A674 Polyethylene Encasement for Ductile Iron Pipe for Water and Other Liquids

ASTM B209 Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

ASTM C857 Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures

ASTM C858 Standard Specification for Underground Precast Concrete Utility Structures

ASTM C891 Standard Practice for installation of Underground Precast Concrete Utility Structures

ASTM D149 Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Material at Commercial Power Frequencies

ASTM D429 Standard Test Methods for Rubber Property—Adhesion to Rigid Substrates

ASTM D882 Standard Test Method for Tensile Properties of Thin Plastic Sheeting

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ASTM D1248 Standard Specification for Polyethylene Plastics Molding and Extrusion Materials for Wire and Cable

ASTM D1598 Standard Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure

ASTM D1599 Standard Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and Fittings

ASTM D1603 Standard Test Method for Carbon Black in Olefin Plastic

ASTM D1709 Standard Test Method for Impact Resistance of Plastic Film by the Free-Falling Dart Method

ASTM D1784 Standard Specification for Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds

ASTM D1785 Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 120

ASTM D1922 Standard Test Method for Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method

ASTM D2122 Standard Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings

ASTM D2152 Standard Test Method for Degree of Fusion of Extruded Poly(Vinyl Chloride) (PVC) Pipe and Molded Fittings by Acetone Immersion

ASTM D2239 Standard Specification for Polyethylene (PE) Plastic Pipe (SIDR- PR) Based on Controlled Inside Diameter

ASTM D2321 Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow Applications

ASTM D2657 Standard Practice for Heat Fusion Joining of Polyolefin Pipe and Fittings

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

ASTM D2774 Standard Practice for Underground Installation of Thermoplastic Pressure Piping

ASTM D2837 Standard Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis for Thermoplastic Pipe Products

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

ASTM D3261 Standard Specification for Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing

ASTM D3350 Standard Specification for Polyethylene Plastics Pipe and Fittings Materials

ASTM D4218 Standard Test Method for Determination of Carbon Black Content in Polyethylene Compounds by the Muffle-Furnace Technique

ASTM D4976 Standard Specification for Polyethylene Plastics Molding and Extrusion Materials

ASTM F477 Standard Specification for Elastomeric Seals (Gaskets) for Joining Plastic Pipe

ASTM F714 Standard Specification for Polyethylene Plastic Pipe Based on Outside Diameter

ASTM F1057 Standard Practice for Estimating the Quality of Extruded Poly (Vinyl Chloride) (PVC) Pipe by the Heat Reversion Technique

ASTM G57 Standard Test Method for Field Measurement of Soil Resistivity Using the Wenner Four-Electrode Method

AWWA C104 Cement-Mortar Lining for Ductile-Iron Pipe and Fittings

AWWA C105 Polyethylene Encasement for Ductile-Iron Pipe Systems

AWWA C110 Ductile-Iron and Gray-Iron Fittings

AWWA C111 Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings

AWWA C115 Flanged Ductile-Iron Pipe with Ductile-Iron or Gray-Iron Threaded Flanges

AWWA C150 Thickness Design of Ductile-Iron Pipe

AWWA C151 Ductile-Iron Pipe, Centrifugally Cast

AWWA C153 Ductile-Iron Compact Fittings

AWWA C207 Steel Pipe Flanges for Waterworks Service—Sizes 4 in. through 144 in.

AWWA C219 Bolted, Sleeve-Type Couplings for Plain-End Pipe

AWWA C500 Metal-Seated Gate Valves for Water Supply Service

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AWWA C502 Dry-Barrel Fire Hydrants

AWWA C504 Rubber-Seated Butterfly Valves

AWWA C507 Ball Valves, 6 in. through 60 in

AWWA C509 Resilient-Seated Gate Valves for Water Supply Service

AWWA C511 Reduced-Pressure Principle Backflow Prevention Assembly

AWWA C515 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service

AWWA C550 Protective Interior Coatings for Valves and Hydrants

AWWA C600 Installation of Ductile-Iron Water Mains and their Appurtenances

AWWA C605 Underground Installation of Polyvinyl Chloride (PVC) and Molecularly Oriented Polyvinyl Chloride (PVCO) Pressure Pipe and Fittings

AWWA C651 Disinfecting Water Mains

AWWA C800 Underground Service Line Valves and Fittings

AWWA C900 Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 4 Inches through 60 Inches

AWWA C906 Polyethylene (PE) Pressure Pipe and Fittings, 4 In. Through 65 In. for Waterworks

AWWA M17 Fire Hydrants: Installation, Field Testing, And Maintenance, Fifth Edition

AWWA M23 PVC Pipe—Design and Installation, Second Edition

AWWA M41 Ductile-Iron Pipe and Fittings, Third Edition

AWWA M44 Distribution Valves: Selection, Installation, Field Testing, and Maintenance, Third Edition

MSS-SP60 Connecting Flange Joints between Tapping Sleeves and Tapping Valves

NFPA 24 Standard for the Installation of Private Fire Service Mains and Their Appurtenances

NFPA 291 Recommended Practice for Fire Flow Testing and Marking of Hydrants

NSF-14 Plastics Piping System Components and Related Materials

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NSF-61 Drinking Water System Components--Health Effects

NSF 372 Drinking Water System Components – Lead Content

PPI TR-2 PVC Range Composition Listing of Qualified Ingredients

PPI TR-3 Policies and Procedures for Developing Recommended Hydrostatic Design Basis (HDB), Pressure Design Basis (PDB), Strength Design Basis (SDB), and Minimum Required Strength (MRS), Ratings for Thermoplastic Piping Materials and Pipe

SSPC-SP 6 Commercial Blast Cleaning (NACE No. 3)

UL 194 Standard for Gasketed Joints for Ductile-Iron Pipe and Fittings for Fire Protection Service

UL 246 Standard Hydrants for Fire Protection Service

UL 1285 Standard for Pipe and Couplings, Polyvinyl Chloride (PVC), and Oriented Polyvinyl Chloride (PVCO) for Underground Fire Service

UL 789 Standard for Indicator Posts for Fire-Protection Service

UNI-PUB-08 Tapping Guide for PVC Pressure Pipe

UPC Uniform Plumbing Code

1.5 PROJECT CONDITIONS

A. The Contractor shall not interrupt water distribution service to facilities or others unless permitted under the following conditions and then only after arranging to provide temporary water distribution service according to requirements indicated.

1. The Contractor shall notify Utility no fewer than two weeks in advance of proposed interruption of service.

2. The Contractor shall not proceed with interruption of water distribution service without Utility’ written permission.

3. Water service interruption shall be limited to four hours or less.

4. In Cases where service is interrupted for longer than four hours, the contractor shall provide bottled water and portable toilets to the facility being impacted in quantities determined by Utility at no additional cost to Utility.

B. Boring logs and a geotechnical report may be included in the contract documents.

If included the boring logs indicate the soil and groundwater conditions at the

American States Utility Services 33 10 00 - 10 Water Pipe, Structures and Appurtenances boring location at the time of the boring. Conditions may change away from the actual boring location and may change with time. The boring logs and geotechnical report are made available to the Contractor for his information to be used at his own risk. The Contractor is responsible for any conclusions to be drawn from the boring logs including the character of the materials to be encountered and the degree of difficulty to be expected in the performance of the work. The Contractor is encouraged to perform his own subsurface investigation.

C. Horizontal Directional Drilling operations shall limit vibrations transmitted to surrounding structures so as not to cause damage. Any damage to any structures, roadways or any other items shall be repaired at the Contractor’s expense.

SECTION 2 – MATERIALS

2.1 GENERAL REQUIREMENTS

A. All pipe shall generally be PVC including restrained joint pipe unless otherwise noted on the plans or directed by the Utility.

B. Buried pipe shall be designed to withstand all internal pressures and external loads with a minimum depth to cover of 3-feet for pipelines Greater depths of cover may be required by the Plans, or by State and/or Local Regulations.

C. Buried pipe shall also withstand H-20 live load in accordance with AASHTO specifications in addition to the above requirements.

D. In wet areas pipe shall be bedded in stone to spring line.

E. All fittings shall be of at least the same class as the pipe with which they are used.

Ductile iron mechanical joint fittings shall be used with all ductile iron pipe and PVC pipe 3-inches or larger in diameter.

F. All valves shall have standard mechanical joint ends, except where flanged or other type ends are specifically specified. Flanged valves, where required, shall be furnished with operating nuts, or handwheels as necessary. All valves shall be of at least the same class as the pipe with which they are used. A valve box shall be provided for each underground valve.

G. Concrete pipe vaults, or precast manholes, with cast iron cover shall be provided for all air/vacuum valves.

H. Main line valves shall be installed at locations determined by the Utility and shown on plans. All valves larger than 12-inches or installed at a depth of 8-feet or greater shall be enclosed in a manhole. Valves shall be installed approximately at 500-foot intervals, and at all main line tees and crosses on both the main line and the branch line. Valves shall be installed at other locations shown in the Standard Details or on the plans.

I. Underground Fire Service Main Piping shall be ductile iron pipe unless approved by the Utility.

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2.2 POLYVINYL CHLORIDE (PVC)

A. All PVC piping shall be made from a PVC compound conforming to cell classification 12454 per ASTM D1784.

B. PVC Pipe shall comply with UL 1285 for fire-service mains if indicated.

C. Water main pipe 3-inches and smaller shall be manufactured as follows:

1. Grade 1 PVC compound material as defined in ASTM D-1784.

2. Pipe shall be Schedule 80 PVC.

3. Fittings shall be solvent weld Schedule 80 PVC. The solvent is to be NSF 61 product certified.

4. The pipe shall be plainly marked with the manufacturer’s name, size, material (PVC) type and grade or compound, NSF seal, pressure rating and reference to appropriate product standards.

D. All PVC pipe (4-inch through 24-inch diameter) and couplings shall be manufactured as follows:

1. Manufactured using virgin compounds as defined in ASTM D-1784, with a 4000 psi HDB rating and designated as PVC 1120 to be in strict accordance with AWWA C-900.

2. Pipe shall be C-900 Class 200 and conform to the thickness requirements of DR18.

3. Pipe shall be manufactured to withstand 755 psi quick burst pressure tested in accordance with ASTM D-1599 and withstand 500 psi for a minimum of 1,000 hours tested in accordance with ASTM D-1598.

4. Couplings shall be compression, twin gasket type in accordance with ASTM D-3139 for push-on joints and ASTM F-477 for elastomeric seals (gaskets).

5. Threaded PVC connections shall not be permitted, nor shall cemented joints except as part of factory made fittings and adapters.

6. The pipe joints shall be of the integral bell type with rubber gaskets and shall conform to the requirements of ASTM D-3139 or ASTM F-477.

E. PVC Pipe Restraint for PVC C-900 (4 – 12 inches) shall be as follows when the restraint lengths as shown on the plans can be met:

1. The restraint shall be manufactured of ductile iron conforming to ASTM A536.

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2. The restraint devices shall be coated with a minimum of two coats of liquid thermoset epoxy coating with heat cure to follow each coat. All casting bodies shall be surface pretreated with a phosphate wash, rinse, and sealer before drying. The coating shall be electrostatically applied and heat cured.

The coating shall be a polyester based powder to provide corrosion, impact, and UV resistance. The coating system shall be MEGA-BOND, by EBAA Iron, Inc. or Utility approved equal.

3. The combination of the restraint(s) and fasteners shall have a pressure rating to the full pressure rating of the pipe. The restraint shall have a two to one safety factor.

4. Restraint for ductile iron fittings shall be a split-serrated ring used to grip the plain-end of the pipe and a sufficient number of bolts shall connect the restraint ring to the ductile iron fitting. The restraint for mechanical joint fittings shall be the EBAA Iron Series 19MJ00 or Utility approved equal.

5. Restraint Harnesses shall be a split-serrated ring shall be used to grip the plain-end of the pipe. A split-serrated ring shall also be used to grip the barrel of the pipe behind the bell, and a sufficient number of bolts shall be used to connect the restraint rings. The pipe restraint shall be the EBBA Iron Series 1900 or Utility approved equal.

F. PVC Pipe Restraint for AWWA C900 PVC Pipe (14 – 24 inches) shall be as follows when the restraint lengths as shown on the plans can be met:

1. The restraint shall be manufactured of ductile iron conforming to ASTM A536.

2. The restraint devices shall be coated with a minimum of two coats of liquid thermoset epoxy coating with heat cure to follow each coat. All casting bodies shall be surface pretreated with a phosphate wash, rinse, and sealer before drying. The coating shall be electrostatically applied and heat cured.

The coating shall be a polyester based powder to provide corrosion, impact, and UV resistance. The coating system shall be MEGA-BOND, by EBAA Iron, Inc. or Utility approved equal.

3. The combination of the restraint(s) and fasteners shall have a pressure rating to the full pressure rating of the pipe. The restraint shall have a two to one safety factor.

4. Restraint for ductile iron fittings shall consist of multiple gripping wedges incorporated into a follower gland meeting the applicable requirements of ANSI/AWWA C110/A21.10. 4. Mechanical joint restraint shall be Series 2000PV by EBAA Iron Inc. or Utility approved equal.

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5. Restraint Harnesses shall consist of a backup ring used behind the PVC bell, a restraint ring, incorporating a number of individually actuating gripping surfaces used to grip the pipe, and a sufficient number of bolts used to connect the bell ring and the gripping ring. The pipe restraint shall be the EBBA Iron Series 2800 or Utility approved equal.

G. Fittings for PVC pipe shall be as follows:

1. Mechanical-Joint, Ductile-Iron Fittings shall be AWWA C110, ductile standard pattern or AWWA C153, ductile-iron compact pattern. Glands, Gaskets, and Bolts shall be AWWA C111, ductile iron glands, rubber gaskets, and steel bolts.

2. Ductile iron fittings for PVC pipe shall be adequately supported on a firm trench foundation.

3. PVC fittings are not acceptable for water mains 3-inches or greater.

2.3 FUSIBLE PVC PIPE, CONNECTIONS AND FITTINGS

A. Fusible PVC pipe shall be used as manufactured under the trade names Fusible C-900® and FPVC™, for Underground Solutions, Inc., Poway, CA, or Utility approved equal.

B. Fusion process shall be as patented by Underground Solutions, Inc., Poway, CA, or Utility approved equal.

C. Connections shall be defined in conjunction with the coupling of project piping, as well as the tie-ins to other piping systems.

D. Acceptable fittings for use with fusible polyvinylchloride pipe shall include standard ductile iron fittings conforming to AWWA/ANSI C110/A21.10 and AWWA/ANSI C111/A21.11.

1. Connections to fusible polyvinylchloride pipe may be made using a restrained or non-restrained retainer gland product for PVC pipe, as well as for mechanical joint or flanged fittings.

2. Ductile iron fittings and glands shall be installed per the manufacturer’s guidelines.

E. Sleeve-Type Couplings

1. Sleeve-type mechanical couplings shall be manufactured for use with PVC pressure pipe, and may be restrained or unrestrained as indicated in the construction documents.

F. Expansion and Flexible Couplings

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1. Expansion-type mechanical couplings shall be manufactured for use with PVC pipe, and may be restrained or unrestrained as indicated in the construction documents.

G. Connection Hardware

1. Bolts and nuts for buried service shall be made of non-corrosive, high-strength, low-alloy steel having the characteristics specified in

ANSI/AWWA C111/A21.11.

H. Additional Requirements for Pressure Applications

1. Bends, tees and other DIP fittings shall be restrained with the use of bell restraints per specification in Section 2.2 G. for PVC Pipe.

2. Sleeve-type couplings shall be rated at the same or greater pressure carrying capacity as the pipe itself.

3. Expansion-type mechanical couplings shall be rated at the same or greater pressure carrying capacity as the pipe itself.

2.4 RESTRAINT JOINT CERTA-LOK PVC PIPE, CONNECTIONS AND FITTINGS

A. C900/RJ Certa-Lok® PVC pipe shall be used as manufactured by NAPCO or Utility approved equal.

B. Restrained joint installation process shall be as patented by NAPCO, Houston, TX or Utility approved equal.

C. Connections to other pipe materials and fittings shall completed with a mechanical joint adapter made specifically for joining C900/RJ Certa-Lok PVC pipe to other pipe materials with a mechanical joint connection.

D. Connections shall be defined in conjunction with the coupling of project piping, as well as the tie-ins to other piping systems.

E. Acceptable fittings for use with C900/RJ Certa-Lok pipe shall include standard ductile iron fittings conforming to AWWA/ANSI C110/A21.10 and AWWA/ANSI C111/A21.11.

1. Connections to C900/RJ Certa-Lok pipe may be made using a restrained or non-restrained retainer gland product for PVC pipe, as well as for mechanical joint or flanged fittings.

2. Ductile iron fittings and glands shall be installed per the manufacturer’s guidelines.

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F. Sleeve-Type Couplings

1. Sleeve-type mechanical couplings shall be manufactured for use with PVC pressure pipe, and may be restrained or unrestrained as indicated in the construction documents.

G. Expansion and Flexible Couplings

1. Expansion-type mechanical couplings shall be manufactured for use with PVC pipe, and may be restrained or unrestrained as indicated in the construction documents.

H. Connection Hardware

1. Bolts and nuts for buried service shall be made of non-corrosive, high-strength, low-alloy steel having the characteristics specified in

ANSI/AWWA C111/A21.11.

I. Additional Requirements for Pressure Applications

1. Bends, tees and other DIP fittings shall be restrained with the use of bell restraints per specification in Section 2.2 G. for PVC Pipe.

2. Sleeve-type couplings shall be rated at the same or greater pressure carrying capacity as the pipe itself.

2.5 EXPANSION-TYPE MECHANICAL COUPLINGS SHALL BE RATED AT THE SAME

OR GREATER PRESSURE CARRYING CAPACITY AS THE PIPE ITSELF.HIGH

DENSITY POLYETHYLENE (HDPE)

A. Pipe materials shall be as follows:

1. Pipe material shall be commercial virgin PE compounds, shall meet ASTM D3350 physical property requirements, and shall be classified per ASTM D3350 PE 3608. The compound shall have HDB ratings at 73°F (23°C) and at 140°F (60°C), and HDS ratings at 73°F (23°C) determined in accordance with ASTM D2837 and PPI TR-3.

2. Pipe supplied under this specification shall be have a maximum standard dimension ratio (SDR) in accordance with the following:

a. Direct Bury Pipe: DR 11 (160 psi)

b. Pipe Bursting: DR 11 (160 psi)

c. Directional Drilling - 100 linear feet or less: DR 11 (160 psi)

d. Directional Drilling - greater than 100-feet: DR 9 (200 psi)

3. The PE compound in the pipe shall contain color and ultraviolet (UV) stabilizer meeting the requirements of ASTM D3350 Codes C or E. Code C compounds shall contain 2 to 3 percent carbon black when material from

American States Utility Services 33 10 00 - 16 Water Pipe, Structures and Appurtenances the pipe is tested in accordance with ASTM D1603 or ASTM D4218. Code E compounds used for solid-color pipe, color stripes, or a color layer (shell) shall contain sufficient UV stabilizer to protect the pipe against UV degradation for at least 24 months of unprotected outdoor exposure. Color PE compounds used for stripes or color layers shall be of the same materials designation code as the pipe material, varying only by color and UV stabilizer.

4. If rework compounds are required, only those generated in the manufacturer’s own plant from resin compounds of the same class and type from the same raw material supplier shall be used.

5. PE compounds shall be tested and certified as suitable for use with potable water by an accredited testing agency acceptable to the purchaser in accordance with requirements that are no less restrictive than the applicable requirements in NSF/ANSI 61.

B. All HDPE pipe shall be ductile iron pipe size (DIPS) unless otherwise specified and approved by the Utility.

C. Compliance with the above requirements shall be certified by the pipe supplier.

D. The minimum joint connection requirements are as follows:

1. For continuous pipe, assemble pipe lengths in field with butt-fused joints following ASTM D2657 and approved submittals or with electrofused joints following approved submittals. In case of conflicts between ASTM D2657 and approved submittals or if the ASTM reference is nonspecific, follow approved submittals.

2. Joint strength shall be equal to or greater than pipe strength.

3. For excavations for pipe bursting the flowing joint connections shall be made using butt-fused joints or electrofusion coupling.

4. Connections to other pipe materials and fittings shall completed with a mechanical joint adapter made specifically for joining HDPE pipe to other pipe materials with a mechanical joint connection.

2.6 POLYETHYLENE (PE)

A. Polyethylene plastic water tubing shall be installed in accordance with the applicable utility provisions herein, as shown on the utility plans, and/or as directed by the Utility.

B. PE water pipe (CTS) shall be manufactured in accordance with ASTM D2239, with a DR of 9. The minimum pressure rating for the PE water pipe shall be 200 psi.

Fittings for the PE water pipe shall be lead free cast brass compression fittings, made to the PE water pipe dimensions.

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2.7 DUCTILE IRON PIPE AND FITTINGS

A. All ductile iron pipe and ductile iron-cast iron fittings and specials shall have the following:

1. Interior lining shall be standard thickness cement mortar lining, and asphaltic seal coat in accordance with ANSI A21.4 (AWWA C104).

2. Exterior Coating for pipe shall be asphaltic coating as specified in AWWA Standard C-151.

3. Exterior Coating for fittings shall have outside asphaltic coating as specified in C-110. The final coat shall be continuous and smooth, being neither brittle when subjected to low temperatures nor sticky when exposed to hot sun. The coating shall strongly adhere to the pipe at all temperatures.

4. Where bosses are utilized, the pipe shall be a minimum Pressure Class 250 for sizes 16 inches and larger.

5. When deemed necessary and requested by the Utility, each joint of pipe and each fitting shall be inspected by an independent domestic testing laboratory, approved by the Utility, and certification shall be supplied to the Utility by them that all pipe and fittings meet project specifications.

B. Piping Requirements:

1. 4-inch water piping shall be Class 51. 6-inch and larger water piping shall be ductile iron conforming to ANSI A21.51 and AWWA Standard C-151, Class 50 with a working pressure not less than 200 psi unless otherwise shown or specified.

2. Underground Fire Service Main Piping shall be DIP, Class 50 pipe conforming to ANSI A21.51 and AWWA Standard C-151, mechanical joint fittings, and gasketed joints unless otherwise specified on the plans.

3. Pipe shall be furnished in 18' or 20' lengths.

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C. Ductile iron pipe designated as "Pressure Class" shall be furnished with a minimum thickness calculated in accordance with ANSI A21.50 (AWWA C150) with a factor of safety of two; a working pressure of 150 to 350 psi, plus 100 psi water hammer allowance and AASHTO H-20 live truck load with 2½ feet of cover. In no case shall "Pressure Class" pipe's nominal thickness be less than the following:

SIZE PRESSURE

CLASS

NOMINAL

THICKNESS

4” 350 0.25” 6” 350 0.25” 8” 350 0.25” 12” 350 0.28” 14” 350 0.31” 16” 250 0.30” 18” 250 0.31” 20” 250 0.33” 24” 250 0.37”

D. Joints shall be mechanical joint or push on joint as specified and installed in accordance with AWWA C-600 and shall conform to AWWA Standard C-111.

E. Mechanical-Joint, Ductile-Iron Pipe shall conform to AWWA C151, with mechanical-joint bell and plain spigot end unless flanged ends are indicated.

1. Mechanical-Joint, Ductile-Iron Fittings shall conform to the following:

a. AWWA C110, ductile or gray iron standard pattern or AWWA C153, ductile-iron compact pattern.

b. Mechanical joints shall be of the stuffing box type and shall conform to ANSI A21.11 for 3-inch and larger pipe.

2. Glands, Gaskets, and Bolts shall conform to AWWA C111, ductile- or gray-iron glands, rubber gaskets, and steel bolts.

F. Push-on-Joint, Ductile-Iron Pipe shall conform to AWWA C151, with push-on-joint bell and plain spigot end unless flanged ends are indicated.

1. Push-on-Joint, Ductile Iron Fittings shall conform to AWWA C110, ductile or gray iron standard pattern or AWWA C153, ductile-iron compact pattern.

Dependable, double sealing, push on joints, rubber gaskets and lubricant shall conform to ANSI A21.11

2. Gaskets shall conform to AWWA C111, rubber.

G. Flange joint ductile iron pipe shall meet the following specification:

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1. Flanged joint pipe shall only be used for aerial crossings or as noted specifically on the plans.

2. Pipe shall be Class 53 with working pressure not less than 200 psi.

3. Flanges shall have a raised face and be faced and drilled to match Class 250 flanges, unless otherwise noted on the plans, conforming to ASME B16.1 and AWWA C-115 (ANSI A21.15).

4. Threads for threaded flange pipe shall be in accordance with ANSI B2.1, shop fabricated as outlined by AWWA 115 with serrated faces furnished on the pipe, completely factory installed, Class 125-pound standard.

5. Welding of flanges to the body of the pipe shall not be acceptable.

6. Ductile iron fittings and flanges shall be in accordance with AWWA C-110 (ANSI A21.10) with a minimum working pressure of 250 psi.

7. Gaskets shall be full faced SBR rubber per AWWA C111 (ANSI A21.11) with a minimum 1/8-inch thickness.

8. Linings and coating shall be as previously outlined for all ductile iron pipe and fittings.

9. Mechanical restraint joint ductile iron pipe may be used for aerial crossings, with prior approval from the Utility.

H. Restrained push-on joints for pipe and fittings:

1. Restrained joints for pipe and fittings shall be furnished for the locations shown on the plans in accordance with AWWA C110 (ANSI A21.10) and

AWWA C153 (ANSI A21.53).

2. Restrained joint pipe and fittings shall consist of bolted retainer rings and welded bars or boltless type restraint including ductile iron locking segments and rubber retainers. Bolts for restrained joints (if applicable) shall conform to ANSI B18.2

3. Restrained pipe and fittings smaller than 30-inches shall be FLEX-RING or LOK-RING type joints as manufactured by American Cast Iron Pipe Co., TR-FLEX joints as manufactured by US Pipe, or Utility approved equal.

4. Restrained pipe and fittings 30-inches and larger shall be LOK-RING type joints as manufactured by American Cast Iron Pipe Co., TR-FLEX joints as manufactured by US Pipe, or Utility approved equal.

5. The restraint joint shall be compatible with the push-on pipe joint.

6. Welding, if required, shall be performed by qualified welders.

7. Restrained joints and fittings shall be rated for a working pressure of 350 psi for sizes 4 inches through 24 inches and 250 psi for larger sizes.

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8. The manufacturer shall furnish test results showing that the restrained joints in the sizes specified have been successfully tested at least twice the specified pressure rating of the joint without leakage or failure. Tests shall be performed on the pipe with the same thickness class as specified.

9. Special accessories such as mega-lugs, US Pipe's Field-LOK gasket, or Romac’s Grip-Ring shall be acceptable, upon approval from the Utility.

I. Ductile Iron Fittings

1. All Ductile Iron fittings shall be NSF 61 and NSF 372 product certified, as applicable, in accordance with the Reduction of Lead in Drinking Water Act, effective 2014.

2. Fittings and specials shall be ductile iron and shall be manufactured in accordance with AWWA Standard C-110 (ANSI A21.11).

3. Compact fittings shall be mechanically restrained, ductile iron in accordance with ANSI A21.53 (AWWA C-153) for 3-inch thru 24-inch sizes only.

4. Where thrust blocking is utilized, fittings shall be full body ductile iron in accordance with ANSI A21.53 (AWWA C110).

5. Pressure rating shall be not less than 200 psi unless otherwise specified.

2.8 STEEL ENCASEMENT PIPE

A. Encasement pipe for installation under highways and railroads shall be spiral welded steel pipe conforming to ASTM Specifications A252-61, Grade 2.

Encasement pipe shall conform to State DOT Specifications for pipe laying for highway crossings and to AREA Specifications for railroad crossings. The pipe shall be furnished with a bituminous coating on the outside.

B. Carrier Pipe shall be PVC or Ductile Iron (Same as pipe material on line segment) and shall be restrained.

C. Casing Spacers shall be steel, neoprene, nylon, or polyethylene spacers; and shall be used to position and stabilize the carrier pipe. For ductile iron pipe, a minimum of 2 spacers per joint shall be installed. For PVC pipe, a minimum of 4 spacers per joint shall be installed.

D. Ends of the encasement pipe shall be single-piece, flexible, pull-on type end seals with stainless steel bands.

2.9 PIPE ROLLERS

A. Pipe rollers, if required, shall be of sufficient size to fully support the weight of the pipe during handling and pullback operations.

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B. A sufficient quantity of rollers, spaced to comply with the pipe supplier’s guidelines, shall be used to assure adequate support and resist excessive sagging of the product pipe.

2.10 PIPE GASKETS

A. Gaskets for pipe and fittings shall be continuous rings of rubber material compounded to resist deterioration and a texture to assure a permanent and watertight seal.

B. Gaskets shall have smooth surfaces, free from pitting, blisters, porosity or any other defects.

C. Gaskets shall conform to the requirements of AWWA Specifications C110 and C110. Gaskets are to be NSF 61 product certified.

D. Gasket lubricant shall be a potable hydrogenated vegetable oil, insoluble in cold water, non-toxic and shall not support the growth of bacteria. Gasket lubricant shall contain no deleterious ingredients and shall have no deteriorating effects on the gaskets. Lubricants are to be NSF 61 product certified.

E. Gasket lubricant shall be semi-paste, easily applicable, readily adherent to the inside of the bell and shall remain in an unstable state throughout the range of temperature in which pipe is normally installed.

F. Gasket lubricant shall be delivered to the job site in unopened containers bearing the manufacturer’s name and trade name or trademark.

2.11 GATE VALVES

A. All manually operated gate valves larger than 2-inches shall be ductile iron body, and shall conform to AWWA C-509/C515 and be NSF 61 product certified.

Valves 2-inch in diameter shall be cast iron or bronze body, bronze or stainless steel trimmed, wedge disc, and minimum 150 psi working pressure.

B. All valves 4-inch to 16-inch diameter shall have a safe working pressure of 250 psi. Valves 2-inch to 3-inch in diameter shall have a safe working pressure of 150 psi.

C. Gate valve end connections shall be flanged, mechanical joint or threaded as specified. Threaded Ends shall not be provided on the gate valves with end connections larger than 4 inches. End flanges shall be integral with the gate valve body and be faced and drilled in accordance with ASME B16.1 for 150-pound flanges. Flanged gate valves shall not be buried.

D. Exposed gate valves shall be the rising stem type. Buried or submerged gate valves shall be of the non-rising stem type.

E. Rising stem valves and brass non-rising stem valves shall be provided with an O-ring packing.

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F. All valves up to and including 36-inch diameter shall have triple "O" ring stem seals.

G. The design and machining of valves shall be such as to permit the replacement of the upper two "O" rings without undue leakage while the valve is wide open and in service.

H. The wedge shall be ductile iron encapsulated in nitrile rubber for 4-inch to 12-inch sizes and SBR rubber for 14-inch to 24-inch sizes.

I. All internal and external surfaces of the valve body and bonnet shall have a fusion bonded epoxy coating complying with ANSI/AWWA C550 applied electrostatically prior to assembly, conforming to AWWA C-550.

J. Valves shall have a clear waterway equal to the full nominal diameter of the valve.

K. All valves shall be tested for leakage and distortion in strict accordance with the latest revision of AWWA Specification C-500.

L. Resilient seated tapping valves shall be furnished with the tapping flange having a raised face or lip designed to engage the corresponding recess in the tapping sleeve flange in accordance with MSS-SP60. Tapping valves without the raised face on the tapping flange shall not be permitted. The interior of the waterway in the body shall be a full opening and capable of passing a full sized shell cutter equal to the nominal diameter of the valve.

M. Valve operation shall conform to the following:

1. Open counter-clockwise and be equipped with a two-inch square operating nut.

2. The operating nut or wheel shall have an arrow cut in the metal, indicating the direction of opening

N. All valves shall be manufactured in strict accordance with the latest specifications of the American Water Works Association (AWWA).

O. Where specified on plans, resilient valves shall be supplied with gearing. Spur gearing shall be provided for valves installed in a vertical position and bevel gearing shall be provided for valves installed in a horizontal position.

P. Valves shall be manufactured by:

1. Mueller Co. C-509

2. Clow Valve Co. C-509/C-515

3. American Pipe Co. C-515

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4. Kennedy Valve C-509/C-515

5. or equal product manufacturer as approved by Utility.

2.12 BUTTERFLY VALVES

A. Butterfly valves shall be used for water mains 16-inches and larger, and shall be manufactured in accordance with the latest revision of AWWA C-504 for Class 250B service. The valves are to be NSF 372 product certified, as applicable, in accordance with the Reduction of Lead in Drinking Water Act, Effective 2014.

B. Valve ends shall be mechanical joint in accordance with AWWA C-111 or as specified on drawings.

C. Valves shall open counter clockwise and shall be equipped with a 2-inch square AWWA operating nut.

D. Valve bodies shall be cast iron or ductile iron of the AWWA short body design.

E. Valve seats shall be synthetic rubber. Seats shall be bonded and vulcanized within a recessed cavity within the valve body or mechanically retained within a dovetail groove in the valve body by means of epoxy injected under pressure behind the seat. Bonded and vulcanized seats shall withstand a 75-pound test pull in accordance with ASTM D429, Method D. Disc mounted valve seats shall not be accepted.

F. Valve shafts shall be type 304 or type 316 stainless steel.

G. Valve discs shall be cast iron (ASTM A126 Class B or ASTM A48) or ductile iron (ASTM A536) with type 316 stainless steel edge.

H. Shaft bearings shall be corrosion resistant and self-lubricating.

I. Valve packing shall be self-compensating split-vee chevron type.

J. Butterfly valves shall be constructed for installation with shafts in a horizontal position.

K. Valves shall be designed such that no leakage occurs at the shutoff pressure, which shall be the test pressure specified or scheduled for the respective pipeline.

L. Valve actuators shall be fully grease packed and have stops in the open/close position. The actuator shall have a mechanical stop, which shall withstand an input torque of 450 lbs. against the stop. The traveling nut shall engage alignment grooves in the housing. The traveling nut operators shall exhibit characteristic closure at extreme open/close positions to minimize water hammer.

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M. Installation

1. Install butterfly valves and actuators in accordance with the configuration shown on the Contract Drawings, prior to testing and chlorination of the pipeline in which valves are installed.

2. Support valves independently from the pipeline on supports acceptable to the Utility.

3. Conduct operating tests to adequately show that the equipment has been properly installed and shall function as specified. All tests shall be subject to the Utility's review.

4. The pipelines in which valves are installed shall be filled with water and pressurized to the test pressure to demonstrate that the installed valves do not leak.

N. Butterfly valves shall be as manufactured by:

1. M & H/Clow Valve Company - Style 4500

2. Henry Pratt Co. – Groundhog Style

3. Mueller Co. - Lineseal III Series

4. or equal product manufacturer as approved by the Utility.

2.13 BALL VALVES

A. Ball Valves may be used for valves 2-inches and smaller as identified on the plans.

Ball Valves shall be installed in accordance with the applicable utility provisions herein, as shown on the utility plans, and/or as directed by the Utility. Ball valves shall adhere to the following specification:

1. All bronze construction

2. Tee head operator having a removable disc

3. Threaded connections, in accordance with Utility standard details

4. Shall be in accordance with AWWA C507, Class 250

5. Interior coating shall be in accordance with AWWA C550

6. Equipped with packing nut, gland, and packing material

7. Shall be NSF 372 product certified, as applicable, in accordance with the Reduction of Lead in Drinking Water Act, Effective 2014.

B. The turn required to travel from fully closed to fully open on the ball valve shall be 90 degrees.

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2.14 CORPORATION VALVES

A. Corporation stops shall be of bronze with tapered male iron pipe threads on the inlet and outlets. Terminal outlets shall have screwed bronze hex head dust plugs or caps. Unions shall be used on all corporation stop outlets with connecting piping. Corporation stops shall have a minimum working pressure rating of 250 psi.

B. Valves are to be NSF 372 product certified, as applicable, in accordance with the Reduction of Lead in Drinking Water Act, Effective 2014.

C. Service-Saddle Assemblies shall comply with AWWA C800, and include saddle and valve compatible with tapping machine. Direct taps are not permitted.

1. Service Saddle shall be copper alloy with seal and AWWA C800, threaded outlet for corporation valve.

2. Corporation valve shall be bronze body ground key plug type with AWWA C800 threaded inlet and outlet matching service piping material.

3. Manifold shall be copper fitting with two to four inlets as required, with ends matching corporation valves and outlet matching service piping material.

D. Curb Valves shall comply with AWWA C800, and include bronze body, ground-key plug or ball, and wide tee head, with inlet and outlet matching service piping material.

E. Service Boxes for Curb Valves shall meet AWWA M44 requirements for cast-iron valve boxes. Include cast-iron telescoping top section of length required for depth of burial of valve, plug with lettering "WATER," and bottom section with base that fits over curb valve and with a barrel approximately 3-inches in diameter.

F. Shutoff Rods shall be steel, tee-handle with one pointed end, stem of length to operate deepest buried valve, and slotted end matching curb valve.

G. Manufacturers:

a. Mueller Co. - Water Products Division

b. or equal product manufacturer as approved by Utility.

2.15 POST INDICATOR VALVE ASSEMBLIES

A. Post-indicator valve assemblies shall be…