City of Magnolia, TX: Materials and/or equipment.

§ 2.01 Materials and/or equipment.

Pipes and related products must conform to American National Standards Institute/National Sanitation Foundation (ANSI/NSF) Standard 61 and must be certified by an organization accredited by ANSI. Pipe shall be of domestic origin.

Encasement Wrap For Underground Metal Pipe, Fittings, Valves, and Appurtenances:

All underground iron or steel pipe, fittings, valves, fire hydrants, and other appurtenances shall be wrapped with 8 mil low density polyethylene or 4 mil high density polyethylene in accordance with ANSI/AWWA C105/A21t5.

PVC Pipe:

PVC water lines shall be of the type designated on plans or in the bid form.

C-900 PVC:

C-900 PVC water line shall meet the requirements of AWWA C-900 (latest revision), “Polyvinyl Chloride (PVC) Pressure Pipe, 4 in. through 12 in., for Water Distribution” and shall be approved by the State Board of Insurance and Underwriters Laboratories for fire service without penalty. All Class 150 pipe shall meet the requirements of DR 18 and Class 200 pipe shall meet the requirements of DR 14. Pipe shall bear the NSF seal of approval indicating that the pipe is suitable for conveying potable water.

Joints:

Pipe joints shall be push-on type with one elastomeric gasket, or coupling type with two elastomeric gaskets furnished with each coupling. Joints and gaskets shall conform to AWWA C-900.

Fittings-Full Body:

Unless otherwise shown on Plans, fittings shall be cast or ductile iron mechanical joint type. Cast or ductile iron push-on type and mechanical joint type fittings shall conform to ANSI/AWWA C110/A21.10 and ANSI/AWWA C111/A21.11. Class 250 for 4" through 12" and Class 150 for 14" and larger unless otherwise shown on plans.

Fittings-Short Body:

Unless otherwise shown on plans, ductile iron short body fittings may be used and shall be mechanical joint type. Push on and mechanical joint ductile iron short body fittings shall conform to ANSI/AWWA C153/A21.53 and ANSI/AWWA C111/21.11, Class 350 for all sizes.

Coating and Lining for Cast Iron and Ductile Iron Fittings:

Fittings shall be asphalt coated outside in accordance with ANSI/AWWA C151/A21.51 except for above ground fittings which are to be painted. All uninsulated above ground D.I./C.I. fittings shall be painted. Fittings shall have cement mortar lining inside in accordance to ANSI/AWWA C104/A21.4.

PVC Pressure Pipe:

PVC pressure pipe shall meet the requirements of ASTM D2241 “Specification for Polyvinyl Chloride (PVC) Plastic Pipe (SDR-PR) and shall bear the NSF seal of approval indicating that the pipe is suitable for conveying potable water. The following standards shall also apply to the installation of PVC pressure pipe:

Joints:

Unless otherwise shown on Plans, pipe joints for 2" and larger pipe shall be push-on type conforming to ASTM D-3139, “Standard Specification for Joints for Plastic Pressure Pipe Using Flexible Elastomeric Seals.” Joints for pipe smaller than 2" shall be solvent weld. Solvent weld joints shall meet the requirements of ASTM 2672, “Standard Specification for Bell End Polyvinyl Chloride (PVC) Pipe.

Gasket:

ASTM F-477, Standard Specification for Elastomeric Seals (Gaskets) for Joining Plastic Pipe.

Fittings:

Fittings for 4" and larger pipe shall be cast iron or ductile iron. PVC fittings may be used for pipe 3" or smaller.

(1)

Ductile Iron and Gray Iron Fittings-Full Body:

Unless otherwise shown on Plans, fittings shall be mechanical joint type. Cast or ductile iron push-on type and mechanical joint type fittings shall conform to ANSI/AWWA C110/A21.10 and ANSI/AWWA C11/A21.11. Class 250 for 4" through 12" and Class 150 for 14" and larger unless otherwise shown on plans.

(2)

Ductile Iron Fittings-Short Body:

(3)

PVC Fittings:

PVC fittings shall be Class 200 minimum rubber gasket type, except PVC fittings for pipe smaller than 2" shall be solvent weld. For special applications and with the Engineer’s approval, solvent weld fittings may be acceptable for pipe size as large as 3".

Coating and Lining for Cast (Gray) Iron and Ductile Iron Fittings:

Fittings shall be asphalt coated outside in accordance with ANSI/AWWA C151/A21.51, except for above ground uninsulated fittings which shall be painted. Fittings shall have cement mortar lining inside in accordance with ANSI/AWWA C104/A21.4.

PVC Material:

ASTM D-1784, “Standard Specification for Rigid Polyvinyl Chloride (PVC) Compounds and Chlorinated Polyvinyl Chloride (CPVC) Compounds”.

Ductile Iron Pipe:

Unless otherwise shown on Plans, ductile iron pipe shall be pressure Class 350 in accordance with ANSI/AWWA C151/A21.51.

Joints:

Unless otherwise shown on Plans, pipe joints shall be push-on type conforming to ANSI/AWWA C111/A21.11. Mechanical joint pipe shall conform to ANSI/AWWA C111/A21.11 and flanged joint pipe shall conform to ANSI/AWWA C115/A21.15.

Fittings-Full Body:

Unless otherwise shown on Plans, fittings shall be cast iron or ductile iron mechanical joint type. Mechanical joint and push-on fittings shall conform to ANSI/AWWA C110/A21.10 and ANSI/AWWA C111/A21.11, Class 250 for 4" through 12" and Class 150 for 14" and larger unless shown otherwise on Plans. Flanged fittings to be in accordance with ANSI/AWWA C110/A21.10 and ANSI/AWWA C111/A21.11, Class 250 for 4" through 12" and Class 150 for 14" and larger unless shown otherwise on plans, both with one hundred twenty-five (125) pound template flanges. Flanged fittings shall have tapping bosses.

Fittings-Short Body:

Unless otherwise shown on plans, ductile iron short body fittings may be used and shall be mechanical joint type. Mechanical joint and push-on ductile iron short body fittings shall conform to ANSI/AWWA C153/A21.53 and ANSI/AWWA C111/21.11, Class 350 for all sizes. Flanged fittings shall have full body dimensions.

Coating and lining for Pipe and Fittings:

Pipe and fittings shall be asphalt coated outside in accordance with ANSI/AWWA C151/A21.51 except for above ground pipe and fittings which are to be painted. All uninsulated above ground D.I./C.I. fittings and pipe shall be painted. Pipe and fittings shall have cement mortar lining inside in accordance to ANSI/AWWA C104/A21.4.

Gaskets:

Gaskets for push-on and mechanical joints shall conform to ANSI/AWWA C111/A21.11. Gaskets for flanged joints shall be 1/8 inch thick rubber, either ring or full face, conforming to dimensions in Appendix to ANSI/AWWA C115/A21.15.

Steel Pipe:

Steel pipe, 6 inches diameter and larger shall be Grade “A”, seamless pipe conforming to AWWA C200 and shall have a minimum wall thickness as shown on Plans.

Joints:

Unless otherwise shown on Plans, joints shall be butt welded field joints in accordance with AWWA C206. All welders assigned to apply metal arc welding to pipe joints under this specification shall have been tested under the American Welding Society “Standard Qualifications Procedures.” The Contractor shall provide copies of certificates showing that all welders are qualified under the above standards.

Fittings:

Steel flanges and fittings shall conform to AWWA C207 and C208.

Coatings and Lining for Pipe and Fittings:

All interior and exterior surfaces of pipe and fittings shall receive shop applied coatings of Coal Tar Epoxy conforming to the requirements of AWWA C210. Weld joints and damaged coating shall be field repaired using materials and procedures recommended by the manufacturer of the coating used on the pipe.

Holiday Detection:

Prior to installation, the coated pipe and fittings shall be holiday detected with a wet sponge holiday detector and all holidays shall be repaired in accordance with the requirements of AWWA C210.

HDPE Ductile Iron Pipe Size (D.I.P.S.) Pipe:

HDPE D.I.P.S. water line shall meet the requirements of AWWA C-906 (latest revision), “Polyethylene (PE) Pressure Pipe and Fittings, 4 in. (100 mm) through 63 in. (1,600 mm), for Water Distribution and Transmission” and shall be approved by the State Board of Insurance and Underwriters Laboratories for fire service without penalty. All Class 160 pipe shall meet the requirements of DR 11 and Class 200 pipe shall meet the requirements of DR 9. Pipe shall bear the NSF seal of approval indicating that the pipe is suitable for conveying potable water.

Joints:

Pipe sections shall be joined using heat fusion as specified by the pipe manufacturer.

Fittings-Full Body:

Fittings-Short Body:

Coating, Lining and Encasement for Cast Iron and Ductile Iron Fittings:

Copper Tubing:

Copper tubing shall conform to the requirements of ASTM B-88, Type “K”. Joints for underground work shall be compression-pattern, flared, for soft copper tubing and shall be made with fittings meeting approved standards. Tubing shall be cut off square and expanded with a proper flaring tool.

Polyethylene Tubing:

Polyethylene tubing shall be SDR 9, Class 200, meeting ASTM D-2737, P.E. 3408 tubing, CTS-OD, AWWA C901 compression type connections.

Gate Valves:

Gate valves 2 inches and larger shall be iron-body, resilient rubber seat, non-rising stem and shall conform to AWWA C-509. Smaller valves shall be brass double disc with brass body, non-rising stem with square nut adapter and shall conform to AWWA C-500. Valves shall have ends as required for the piping in which they will be installed. Gate valves shall have a clear waterway equal to the full nominal diameter of the valve and shall be opened by turning counterclockwise. The operating nut or wheel shall have an arrow cast in the metal indicating the direction of opening. Valves located inside structures shall be wheel operated and underground valves shall be nut operated. For nut operated valves installed with the nut more than 48" from finished grade, provide nut operator extension so nut operator is 48" or less below finished grade. Each valve shall have the maker’s initials, pressure rating, and year of manufacture cast on the body. Valves 3 inches through 12 inches shall have a 200 psig working pressure and valves 16 inches and larger shall have 150 psig working pressure. Prior to shipment from the factory each valve shall be tested by hydraulic pressure equal to twice the specified water working pressure. Gate valves shall be American Flow Control, Mueller, or preapproved equal.

Check Valves:

Swing Check Valves - Valves 2" in diameter and larger shall be iron body, bronze mounted, horizontal swing check valves with balanced weight and lever arm. They shall have a 150 p.s.i. working pressure and meet the requirements of AWWA C-508.

Silent Check Valves -

(a)

Wafer Style - Wafer style silent check valve shall be designed with semi-steel bodies, bronze seat, bronze plug and stainless steel spring. The valve plug must be center guided at both ends with a thru integral shaft and spring loaded for guaranteed silent shut-off operation.

The spring must be helical or conical. The seat and plug shall be hand replaceable in the field for ease of maintenance. The flow area thru the body shall be 3% greater than the cross-section area of the equivalent pipe size.

Check valve must be capable of silent operation when installed in vertical or horizontal position - flow up or flow down.

All materials of construction shall be certified in writing to conform to A.S.T.M. specifications as follows:

Body	Cast Iron	ASTM A126 Gr. B
Plug & seat	Bronze	ASTM B584 C83600
Spring	Stainless Steel	ASTM A276 T316
Exterior paint	Phenolic Primer Red Oxide	FDA Approved for Potable Water Contact

The valve shall be suitable for use with 125# flanges. The valve shall be APCO Series 300, as manufactured by Valve and Primer Corporation, Schaumburg, Illinois, U.S.A., or approved equal.

(b)

Globe Style - Globe style silent check valves shall be designed with semi-steel bodies, bronze seat, bronze plug and stainless steel spring. The valve plug must be center guided at both ends with a thru integral shaft and spring loaded for guaranteed silent shut-off operation.

The spring must be helical or conical. The seat and plug shall be hand replaceable in the field for ease of maintenance. The flow area thru the body shall be 10% greater than the cross-sectional area of the equivalent pipe size.

All materials of construction shall be certified in writing to conform to A.S.T.M. specifications as follows:

Body	Cast iron	ASTM A126 Gr. B
Plug & seat	Bronze	ASTM B584 C83600
Spring	Stainless steel	ASTM A276 T316
Exterior paint	Phenolic Red Oxide	FDA Approved for Potable Water Contact

The valve shall have 125# flanges. The valve shall be APCO Series 600, as manufactured by Valve & Primer Corporation, Schaumburg, Illinois, U.S.A., or approved equal.

Backflow Preventers:

All types of backflow prevention assemblies shall meet the standards of AWWA and the Specifications of Backflow Prevention Assemblies contained in the Manual of Cross Connection Control, latest edition, published by Foundation for Cross-Connection Control and Hydraulic Research, University of Southern California. Backflow preventers shall be as manufactured by Cla Val Company, Watts, or approved equal provided the backflow prevention assemblies meet the requirements contained herein.

Butterfly Valves:

Butterfly valves shall be cast iron body, rubber-seated, short body, pressure Class 150 meeting the requirements of AWWA C-504. Valves shall have gear operators unless noted otherwise on plans and shall have nut operators when underground and hand wheel operators above ground. The disc of the valve shall remain in any position in which it is set without moving, even when used to throttle flow. Butterfly valves shall be Dezurik, Pratt, Keystone, or approved equal. When called for on plans, provide pneumatic operator or electric motor operator by the same manufacturer as the valve.

Plug Valves:

Plug valves shall be cast iron body, stainless steel seat and Buna N plug. Plug valves to be by Dezurik, Pratt, Keystone or approved equal.

Miscellaneous Valves:

Flush, blow off, air relief and pressure regulating valves shall be of the types and sizes and at the locations shown on the Plans.

Fire Hydrants:

Fire hydrants shall be dry barrel, compression type, 150 psi working pressure, traffic model, with 5-1/4" valve opening and shall meet the requirements of AWWA C-502. Pumper Nozzle shall match standard nozzle used on the Owner’s system. Rotate fire hydrant barrel to face direction directed by Engineer. Fire hydrants shall be American Flow Control, Mueller or preapproved equal.

Valve Boxes:

Valves buried underground shall be provided with adjustable cast iron valve boxes of proper dimensions to fit over the valve and to extend to finished grade or slightly above as directed by Engineer. Valve boxes to have lids cast with the word “Water”.

Water Meters:

Water meters 1/2" through 2" shall be sealed register, displacement type and conform to AWWA C-700. Compound meters 2" to 10" shall conform to AWWA C-702. Meter size and type shall be as shown on Plans.

Tapping Sleeves:

Tapping sleeves shall be stainless steel body with stainless steel flange, 200 psi working pressure with 125 pound outlet flange, Smith-Blair, Ford or preapproved equal.

Service Fittings:

Tapping saddles, corporation stops and curb stops shall conform to AWWA C800. All corporation stops, curb stops and angle stops shall have the same rated pressure as the main line pipe to which the water service is attached.

Joint Restraints:

EBAA Iron Megalug, Series 1100 for ductile iron pipe, Series 2000 PVC for C-900 or IPS PVC pipe. Consult with Engineer for appropriate restraints for other pipe materials.

Insulation System:

Two (2) inch thick rigid wrap as manufactured by E. O. Wood Co., Fort Worth, Texas or preapproved equal. Aluminum jacketing with integrally bonded moisture barrier as manufactured by Childers, 1100, 3003, 3105, 5005 or 5010 aluminum alloy, 0.016 inch minimum thickness. Mastic coating system to be Childers Vi-Cryl CP-11 and glass cloth membrane to be Chil-Glas #10.

Casing Spacers:

Casing spacers shall provide electrical insulation between the carrier pipe and casing. They shall be made of high density polyethylene or other approved material. The casing spacers shall be “RACI” as manufactured by Public Works Marketing, Inc., or approved equal.

The spacer shall be sized such that the bell of the carrier pipe will be held a minimum of one fourth (1/4) inch from the bottom of the casing, and the spacer O.D. shall not be less than the casing I.D. minus three-fourths (3/4) of an inch. The design and type of spacer shall be suitable for the type, size, and weight of the carrier pipe and it’s contents.

Hose Bibs with Vacuum Breakers:

Hose bibs shall have brass bodies and be rated for 125 psi. Hose bibs shall be equipped with all brass vacuum breakers rated for 125 psi. Hose bibs and vacuum breaker to be manufactured by Watts Industries, or approved equal.[1]

[1]

Editor's Note: Original has this as Subsection U.

(Ordinance 2007-106, App. B, adopted 3/20/07)