Appendix_15_-_UFGS_33_11_00_Water_Distrib.pdf

USACE / NAVFAC / AFCEC / NASA UFGS-33 11 00 (February 2011) Change 3 - 02/14 Preparing Activity: NAVFAC Superseding UFGS-33 11 00 (November 2009)

UNIFIED FACILITIES GUIDE SPECIFICATIONS

References are in agreement with UMRL dated April 2014

SECTION TABLE OF CONTENTS

DIVISION 33 - UTILITIES

SECTION 33 11 00

WATER DISTRIBUTION

02/11

PART 1 GENERAL

1.1 REFERENCES

1.2 UNIT PRICES

1.2.1 Measurement

1.2.2 Payment

1.3 DESIGN REQUIREMENTS

1.3.1 Water Distribution Mains

1.3.2 Water Service Lines

1.4 SUBMITTALS

1.5 DELIVERY, STORAGE, AND HANDLING

1.5.1 Delivery and Storage

1.5.2 Handling

1.5.2.1 Coated and Wrapped Steel Pipe

1.5.2.2 Polyethylene (PE) Pipe, Fittings, and Accessories

1.5.2.3 Miscellaneous Plastic Pipe and Fittings

PART 2 PRODUCTS

2.1 WATER DISTRIBUTION MAIN MATERIALS

2.1.1 Piping Materials

2.1.1.1 Ductile-Iron Piping

2.1.1.2 Polyvinyl Chloride (PVC) Plastic Piping

2.1.1.3 Polyethylene (PE) Plastic Piping

2.1.1.4 Reinforced Thermosetting Resin Pipe (RTRP)

2.1.1.5 Reinforced Plastic Mortar Pressure Pipe (RPMP)

2.1.1.6 Reinforced and Prestressed Concrete Piping

2.1.1.7 Steel Piping

2.1.1.8 Piping Beneath Railroad Right-of-Way

2.1.2 Valves, Hydrants, and Other Water Main Accessories

2.1.2.1 Gate Valves [on Buried Piping]

2.1.2.2 Gate Valves [in Valve Pit(s)] [and] [Aboveground Location]

2.1.2.3 Check Valves

2.1.2.4 Rubber-Seated Butterfly Valves

2.1.2.5 Pressure Reducing Valves

SECTION 33 11 00 Page 1

2.1.2.6 Vacuum and Air Relief Valves

2.1.2.7 Fire Hydrants

2.1.2.8 Fire Hydrant Hose Houses

2.1.2.9 Indicator Posts

2.1.2.10 Valve Boxes

2.1.2.11 Valve Pits

2.1.2.12 Turbine Type Meters

2.1.2.13 Propeller Type Meters

2.1.2.14 Meter Vaults

2.1.2.15 Sleeve-Type Mechanical Couplings

2.1.2.16 Bonded Joints

2.1.2.17 Tracer Wire for Nonmetallic Piping

2.2 WATER SERVICE LINE MATERIALS

2.2.1 Piping Materials

2.2.1.1 Copper Pipe and Associated Fittings

2.2.1.2 Copper Tubing and Associated Fittings

2.2.1.3 Plastic Piping

2.2.1.4 Reinforced Thermosetting Resin Piping (RTRP)

2.2.1.5 Reinforced Plastic Mortar Pressure Piping (RPMP)

2.2.1.6 Steel Piping and Associated Fittings

2.2.1.7 Protective Materials for Steel Pipe Less than 80 mm 3 Inches

2.2.1.8 Ductile-Iron Piping

2.2.1.9 Insulating Joints

2.2.2 Water Service Line Appurtenances

2.2.2.1 Corporation Stops

2.2.2.2 Curb or Service Stops

2.2.2.3 Service Clamps

2.2.2.4 Goosenecks

2.2.2.5 Dielectric Fittings

2.2.2.6 Check Valves

2.2.2.7 Gate Valves 80 mm 3 Inch Size and Larger [on Buried Piping]

2.2.2.8 Gate Valves Smaller than 80 mm 3 Inch in Size [on Buried

Piping]

2.2.2.9 Gate Valve 80 mm 3 Inch Size and Larger

2.2.2.10 Gate Valves Smaller Than 80 mm 3 Inch Size in Valve Pits

2.2.2.11 Curb Boxes

2.2.2.12 Valve Boxes

2.2.2.13 Tapping Sleeves

2.2.2.14 Displacement Type Meters

2.2.2.15 Compound Type Meters

2.2.2.16 Fire Service Type Meters

2.2.2.17 Meter Boxes

2.2.2.18 Disinfection

PART 3 EXECUTION

3.1 INSTALLATION OF PIPELINES

3.1.1 General Requirements for Installation of Pipelines

3.1.1.1 Location of Water Lines

3.1.1.2 Earthwork

3.1.1.3 Pipe Laying and Jointing

3.1.1.4 Installation of Tracer Wire

3.1.1.5 Connections to Existing Water Lines

3.1.1.6 Penetrations

3.1.1.7 Flanged Pipe

3.1.2 Special Requirements for Installation of Water Mains

3.1.2.1 Installation of Ductile-Iron Piping

3.1.2.2 Installation of PVC Plastic Water Main Pipe

3.1.2.3 Installation of Polyethylene (PE) Plastic Piping

SECTION 33 11 00 Page 2

3.1.2.4 Installation of Molecularly Oriented Polyvinyl Chloride (PVCO) Pressure Piping

3.1.2.5 Installation of RTRP I, RTRP II and RPMP Piping

3.1.2.6 Installation of Reinforced and Prestressed Concrete Piping

3.1.2.7 Installation of Steel Piping

3.1.2.8 Installation of Valves and Hydrants

3.1.2.9 Installation Beneath Railroad Right-of-Way

3.1.3 Installation of Water Service Piping

3.1.3.1 Location

3.1.3.2 Service Line Connections to Water Mains

3.1.4 Special Requirements for Installation of Water Service Piping

3.1.4.1 Installation of Metallic Piping

3.1.4.2 Installation of Plastic Piping

3.1.4.3 Service Lines for Sprinkler Supplies

3.1.4.4 Location of Meters

3.1.5 Disinfection

3.1.6 Optional Disinfection Method

3.2 FIELD QUALITY CONTROL

3.2.1 Field Tests and Inspections

3.2.2 Testing Procedure

3.2.2.1 Hydrostatic Testing

3.2.2.2 Leakage Testing

3.2.3 Special Testing Requirements for Fire Service

3.3 CLEANUP

-- End of Section Table of Contents --

SECTION 33 11 00 Page 3

USACE / NAVFAC / AFCEC / NASA UFGS-33 11 00 (February 2011) Change 3 - 02/14 Preparing Activity: NAVFAC Superseding UFGS-33 11 00 (November 2009)

UNIFIED FACILITIES GUIDE SPECIFICATIONS

References are in agreement with UMRL dated April 2014

SECTION 33 11 00

WATER DISTRIBUTION

02/11

NOTE: This guide specification covers the requirements for potable and nonpotable (raw water and sea or salt water) systems, in which the largest size pipe is 600 mm 24 inches in diameter and the maximum working pressure does not exceed 1400 kPa 200 psi for pipelines 300 mm 12 inch size and smaller and 1000 kPa 150 psi for pipelines larger than 300 mm 12 inch size. This section covers exterior water distribution systems only, including water supply, distributing and service lines and connections to a point approximately 1.5 m 5 feet outside of buildings and structures.

This guide specification includes tailoring options for service lines, distribution lines, fire hydrants, hose houses. Selection or deselection of a tailoring option will include or exclude that option in the section, but editing the resulting section to fit the project is still required.

Adhere to UFC 1-300-02 Unified Facilities Guide Specifications (UFGS) Format Standard when editing this guide specification or preparing new project specification sections. Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.

Remove information and requirements not required in respective project, whether or not brackets are present.

1. Cathodic protection should be considered where the anticipated degree of corrosion is so great that coating systems, including polyethylene encasement, are not adequate to protect the piping for the desired life of the system.

2. When piping beneath open piers and other exposed

SECTION 33 11 00 Page 4 locations is subject to freezing temperatures, include requirements for insulation and protective coverings in the project specification. Information on this subject related to open piers may be found in Technical Report R593, September 1968, "Freeze Protection for Freshwater and Sanitary Piping Under Open Piers," by the Naval Facilities Engineering Services Center, 560 Center Drive, Port Hueneme, California 93043-4328.

Comments, suggestions and recommended changes for this guide specification are welcome and should be submitted as a Criteria Change Request (CCR).

NOTE: The following information shall be shown on the project drawings:

1. Plan and location of all new pipelines, including size of pipe.

2. Maximum working pressure of the system.

3. Location, size, and type of service of existing connecting, intersecting, and adjacent pipelines and other utilities.

4. Paved areas and railroads which pass over new pipelines.

5. Profile, where necessary to show unusual conditions.

6. Class or thickness of pipe, including material identification, and limits for same where class or thickness will be different for different sections of pipeline.

7. Bedding conditions.

8. Location of flanged joints, joints made with sleeve-type mechanical couplings, grooved and shouldered type joints, and insulating joints.

9. Location of valves, hydrants (showing which are traffic type hydrants), and indicator posts; and details concerning valves, where necessary.

10. Size and shape of hydrant operating nut and cap nuts if nonstandard nuts are required; dimensions of threads (major diameter, minor diameter, pitch diameter, thread form, and number of threads per inch) on hydrant hose and pumper connections if nonstandard threads are required.

11. Connection of service line to water main, if different from that specified.

SECTION 33 11 00 Page 5

12. Location or size of thrust blocks, including type; or location of and details of metal harness, when necessary (metal harness, when necessary, must be shown for PVC plastic water main pipe).

13. Design details of concrete thrust blocks.

14. Design details for fire hydrant installation.

PART 1 GENERAL

1.1 REFERENCES

NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.

Use the Reference Wizard's Check Reference feature when you add a RID outside of the Section's Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizard's Check Reference feature to update the issue dates.

References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process.

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS

(AASHTO)

AASHTO HB-17 (2002; Errata 2003; Errata 2005, 17th Edition) Standard Specifications for Highway Bridges

AMERICAN RAILWAY ENGINEERING AND MAINTENANCE-OF-WAY ASSOCIATION

(AREMA)

AREMA Eng Man (2012) Manual for Railway Engineering

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA B300 (2010; Addenda 2011) Hypochlorites

AWWA B301 (2010) Liquid Chlorine

AWWA C104/A21.4 (2013) Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

SECTION 33 11 00 Page 6

AWWA C105/A21.5 (2010) Polyethylene Encasement for Ductile-Iron Pipe Systems

AWWA C110/A21.10 (2012) Ductile-Iron and Gray-Iron Fittings for Water

AWWA C111/A21.11 (2012) Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings

AWWA C115/A21.15 (2011) Flanged Ductile-Iron Pipe With Ductile-Iron or Gray-Iron Threaded Flanges

AWWA C151/A21.51 (2009) Ductile-Iron Pipe, Centrifugally Cast, for Water

AWWA C153/A21.53 (2011) Ductile-Iron Compact Fittings for Water Service

AWWA C200 (2012) Steel Water Pipe - 6 In. (150 mm) and Larger

AWWA C203 (2008) Coal-Tar Protective Coatings and Linings for Steel Water Pipelines - Enamel and Tape - Hot-Applied

AWWA C205 (2012) Cement-Mortar Protective Lining and Coating for Steel Water Pipe - 4 In. (100

mm) and Larger - Shop Applied

AWWA C206 (2011) Field Welding of Steel Water Pipe

AWWA C207 (2013) Standard for Steel Pipe Flanges for Waterworks Service-Sizes 100 mm through 3600 mm 4 in. through 144 in.

AWWA C208 (2012) Standard for Dimensions for Fabricated Steel Water Pipe Fittings

AWWA C209 (2013) Cold-Applied Tape Coatings for the Exterior of Special Sections, Connections and Fitting for Steel Water Pipelines

AWWA C210 (2007) Standard for Liquid Epoxy Coating Systems for the Interior and Exterior of Steel Water Pipelines

AWWA C300 (2011) Reinforced Concrete Pressure Pipe, Steel-Cylinder Type

AWWA C301 (2007) Prestressed Concrete Pressure Pipe, Steel-Cylinder Type

AWWA C303 (2008) Concrete Pressure Pipe, Bar-Wrapped, Steel-Cylinder Type

AWWA C500 (2009) Metal-Seated Gate Valves for Water Supply Service

SECTION 33 11 00 Page 7

AWWA C502 (2005) Dry-Barrel Fire Hydrants

AWWA C503 (2005) Wet-Barrel Fire Hydrants

AWWA C504 (2010) Standard for Rubber-Seated Butterfly Valves

AWWA C508 (2009; Addenda A 2011) Swing-Check Valves for Waterworks Service, 2 In. (50 mm) Through 24 In. (600 mm) NPS

AWWA C509 (2009) Resilient-Seated Gate Valves for Water Supply Service

AWWA C515 (2009) Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service

AWWA C600 (2010) Installation of Ductile-Iron Water Mains and Their Appurtenances

AWWA C605 (2013) Underground Installation of Polyvinyl Chloride (PVC) Pressure Pipe and Fittings for Water

AWWA C606 (2011) Grooved and Shouldered Joints

AWWA C651 (2005; Errata 2005) Standard for Disinfecting Water Mains

AWWA C700 (2009) Standard for Cold Water Meters - Displacement Type, Bronze Main Case

AWWA C701 (2012) Standard for Cold-Water Meters - Turbine Type for Customer Service

AWWA C702 (2010) Cold-Water Meters - Compound Type

AWWA C703 (2011) Cold-Water Meters - Fire Service Type

AWWA C704 (2012) Propeller-Type Meters for Waterworks Applications

AWWA C706 (2010) Direct-Reading, Remote-Registration Systems for Cold-Water Meters

AWWA C707 (2010) Encoder-Type Remote-Registration Systems for Cold-Water Meters

AWWA C800 (2012) Underground Service Line Valves and Fittings

AWWA C900 (2007; Errata 2008) Polyvinyl Chloride (PVC) Pressure Pipe, and Fabricated Fittings, 4 In. Through 12 In. (100 mm Through 300 mm), for Water Distribution

AWWA C901 (2008) Polyethylene (PE) Pressure Pipe and Tubing, 1/2 In. (13mm) Through 3 In. (76

SECTION 33 11 00 Page 8 mm), for Water Service

AWWA C905 (2010; Errata 2012) Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings 14 In. Through 48 In. (350 mm through 1,200 mm) for Water Transmission and Distribution

AWWA C906 (2007) Polyethylene (PE) Pressure Pipe and Fittings, 4 In. (100 mm) through 63 In., (1,575 mm) for Water Distribution and Transmission

AWWA C909 (2009) Molecularly Oriented Polyvinyl Chloride (PVCO) Pressure Pipe, 4 IN through 24 IN (100 mm Through 600 mm), for Water, Wastewater, and Reclaimed Water Service

AWWA C950 (2013) Fiberglass Pressure Pipe

AWWA M11 (2004; 4th Ed) Manual: Steel Water Pipe:

A Guide for Design and Installation

AWWA M23 (2002; 2nd Ed) Manual: PVC Pipe - Design and Installation

AWWA M9 (2008; Errata 2013) Manual: Concrete Pressure Pipe

ASME INTERNATIONAL (ASME)

ASME B16.1 (2010) Gray Iron Pipe Flanges and Flanged Fittings Classes 25, 125, and 250

ASME B16.15 (2013) Cast Copper Alloy Threaded Fittings Classes 125 and 250

ASME B16.18 (2012) Cast Copper Alloy Solder Joint Pressure Fittings

ASME B16.22 (2013) Standard for Wrought Copper and Copper Alloy Solder Joint Pressure Fittings

ASME B16.26 (2013) Standard for Cast Copper Alloy Fittings for Flared Copper Tubes

ASME B16.3 (2011) Malleable Iron Threaded Fittings, Classes 150 and 300

ASME B16.4 (2011) Standard for Gray Iron Threaded Fittings; Classes 125 and 250

ASME B18.2.2 (2010) Nuts for General Applications:

Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series)

ASME B18.5.2.1M (2006; R 2011) Metric Round Head Short Square Neck Bolts

SECTION 33 11 00 Page 9

ASME B18.5.2.2M (1982; R 2010) Metric Round Head Square Neck Bolts

ASTM INTERNATIONAL (ASTM)

ASTM A307 (2012) Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength

ASTM A47/A47M (1999; R 2009) Standard Specification for Ferritic Malleable Iron Castings

ASTM A48/A48M (2003; R 2012) Standard Specification for Gray Iron Castings

ASTM A53/A53M (2012) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A536 (1984; R 2009) Standard Specification for Ductile Iron Castings

ASTM A563 (2007a) Standard Specification for Carbon and Alloy Steel Nuts

ASTM A563M (2007; R 2013) Standard Specification for Carbon and Alloy Steel Nuts (Metric)

ASTM A746 (2009) Standard Specification for Ductile Iron Gravity Sewer Pipe

ASTM B32 (2008) Standard Specification for Solder Metal

ASTM B42 (2010) Standard Specification for Seamless Copper Pipe, Standard Sizes

ASTM B61 (2008; R 2013) Standard Specification for Steam or Valve Bronze Castings

ASTM B62 (2009) Standard Specification for Composition Bronze or Ounce Metal Castings

ASTM B88 (2009) Standard Specification for Seamless Copper Water Tube

ASTM B88M (2013) Standard Specification for Seamless Copper Water Tube (Metric)

ASTM C150/C150M (2012) Standard Specification for Portland Cement

ASTM C94/C94M (2014) Standard Specification for Ready-Mixed Concrete

ASTM D1599 (1999; R 2011) Resistance to Short-Time Hydraulic Failure Pressure of Plastic Pipe, Tubing, and Fittings

SECTION 33 11 00 Page 10

ASTM D1784 (2011) Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds

ASTM D1785 (2012) Standard Specification for Poly(Vinyl Chloride) (PVC), Plastic Pipe, Schedules 40, 80, and 120

ASTM D2241 (2009) Standard Specification for Poly(Vinyl Chloride) (PVC) Pressure-Rated Pipe (SDR Series)

ASTM D2464 (2013) Standard Specification for Threaded Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80

ASTM D2466 (2013) Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40

ASTM D2467 (2013a) Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80

ASTM D2564 (2012) Standard Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping Systems

ASTM D2657 (2007) Heat Fusion Joining Polyolefin Pipe and Fittings

ASTM D2774 (2012) Underground Installation of Thermoplastic Pressure Piping

ASTM D2855 (1996; R 2010) Standard Practice for Making Solvent-Cemented Joints with Poly(Vinyl Chloride) (PVC) Pipe and Fittings

ASTM D2996 (2001; E 2007; R 2007) Filament-Wound "Fiberglass" (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe

ASTM D2997 (2001; E 2007; R 2007) Centrifugally Cast "Fiberglass" (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe

ASTM D3139 (1998; R 2011) Joints for Plastic Pressure Pipes Using Flexible Elastomeric Seals

ASTM D3839 (2008) Underground Installation of "Fiberglass" (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe

ASTM D4161 (2001; R 2010) "Fiberglass" (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe Joints Using

SECTION 33 11 00 Page 11

Flexible Elastomeric Seals

ASTM F1483 (2012) Oriented Poly(Vinyl Chloride), PVCO, Pressure Pipe

ASTM F402 (2005; R 2012) Safe Handling of Solvent Cements, Primers, and Cleaners Used for Joining Thermoplastic Pipe and Fittings

ASTM F477 (2010) Standard Specification for Elastomeric Seals (Gaskets) for Joining Plastic Pipe

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS

INDUSTRY (MSS)

MSS SP-80 (2013) Bronze Gate, Globe, Angle and Check Valves

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 1961 (2013) Standard on Fire Hose

NFPA 24 (2013) Standard for the Installation of Private Fire Service Mains and Their Appurtenances

NFPA 704 (2012) Standard System for the Identification of the Hazards of Materials for Emergency Response

THE SOCIETY OF CABLE TELECOMMUNICATIONS ENGINEERS (SCTE)

ANSI/SCTE 77 (2013) Specification for Underground Enclosure Integrity

UNDERWRITERS LABORATORIES (UL)

UL 246 (2011; Reprint Feb 2013) Hydrants for Fire-Protection Service

UL 262 (2004; Reprint Oct 2011) Gate Valves for Fire-Protection Service

UL 312 (2010) Check Valves for Fire-Protection Service

UL 789 (2004; Reprint Feb 2013) Standard for Indicator Posts for Fire-Protection Service

UNI-BELL PVC PIPE ASSOCIATION (UBPPA)

UBPPA UNI-PUB-08 (2010) Tapping Guide for PVC Pressure Pipe)

[1.2 UNIT PRICES

NOTE: Delete this paragraph for lump sum type contract. Do not use on Navy projects.

SECTION 33 11 00 Page 12

Measurement and payment will be based on completed work performed in accordance with the drawings, specifications, and the contract payment schedules. Payment will not be made under this section for excavation, trenching, or backfilling.

1.2.1 Measurement

The length of water lines to be paid for will be determined by measuring along the centerlines of the various sizes of pipe furnished and installed. Pipe will be measured from center of fitting to center of fitting, from center of water distribution line to end of service connection, and from center of water distribution line to center of hydrant. No deduction will be made for the space occupied by valves or fittings.

1.2.2 Payment

Payment will be made for water lines at the contract unit price per linear meter foot for the various types and sizes of water lines, and will be full compensation for all pipes, joints, specials, and fittings, complete in place. Payment for fire hydrants, gate valves, valve boxes, and standard valve manholes will be made at the respective contract unit price each for such items complete in place. Payment will include the furnishing of all testing, plant, labor, and material and incidentals necessary to complete the work, as specified and as shown.

]1.3 DESIGN REQUIREMENTS

NOTE: Provide only those pipe sizes and materials applicable to the project requirements.

For Army projects, reference UFC 3-230-01, "Water Storage, Distribution, and Transmission" for design, considerations in pipe material selection.

Ferrous metal piping should not be buried in the ground in the vicinity of switchyards or hydroelectric powerhouses. Experience has shown that rapid failure of the pipe occurs from galvanic corrosion due to the proximity of large copper ground mats.

1.3.1 Water Distribution Mains

NOTE: Choose one of the following options.

[ Provide water distribution mains indicated as [_____] mm [_____] inch lines of [ductile-iron] [polyvinyl chloride (PVC) plastic] [molecularly oriented Polyvinyl Chloride (PVCO) pressure] [filament-wound reinforced or centrifugally cast reinforced thermosetting resin] [reinforced plastic mortar pressure] [steel] or [_____] pipe. Provide water main accessories, gate valves [and check valves] as specified and where indicated. Submit

SECTION 33 11 00 Page 13 design calculations of water piping.

NOTE: Choose the option below for Navy projects.

[ Provide water distribution mains indicated as 100 through 300 mm 4 through 12 inch diameter pipe sizes of [ductile-iron] [, molecularly oriented polyvinyl chloride pressure (PVCO)] [or] [polyvinyl chloride (PVC) plastic] pipe. Provide [ductile iron] [or] [concrete] pipe for 300 mm 12 inch diameter or larger pipe sizes. Also provide water main accessories, gate valves [and check valves] as specified and where indicated.

][1.3.2 Water Service Lines

NOTE: Provide only those pipe sizes and materials applicable to the project requirements.

NOTE: Ductile-iron piping is available in 80 mm 3 inch size, but 100 mm 4 inch size is smallest for PVC plastic water main pipe.

NOTE: Choose one of the following options.

[ Provide water service lines indicated as [_____] mm [_____] inch lines from water distribution main to building service at [a point approximately 1.5 m 5 feet from building] [the point[s] indicated]. Water service lines shall be [copper pipe] [copper tubing] [polyvinyl chloride (PVC) plastic pipe] [filament-wound or centrifugally cast reinforced thermosetting resin pipe] [reinforced plastic mortar pressure pipe] [or] [steel pipe].

[[Ductile-iron] [or] [polyvinyl chloride (PVC) plastic] pipe appurtenances, and valves as specified for water mains may also be used for service lines.] Provide water service line appurtenances as specified [and where indicated]. Submit design calculations of water piping.

NOTE: Choose the option below for Navy projects.

[Provide water service lines indicated as less than 100 mm 4 inch lines from water distribution main to building service at [a point approximately

1.5 m 5 feet from building] [the point[s] indicated]. Water service lines shall be [copper tubing] [polyvinyl chloride (PVC) plastic pipe] [or] .

Provide water service line appurtenances as specified [and where indicated].]

]1.4 SUBMITTALS

NOTE: Review Submittal Description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project.

SECTION 33 11 00 Page 14

The Guide Specification technical editors have designated those items that require Government approval, due to their complexity or criticality, with a "G". Generally, other submittal items can be reviewed by the Contractor's Quality Control System. Only add a “G” to an item, if the submittal is sufficiently important or complex in context of the project.

For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the "G" designation to indicate the approving authority.

Codes for Army projects using the Resident Management System (RMS) are: "AE" for Architect-Engineer; "DO" for District Office (Engineering Division or other organization in the District Office); "AO" for Area Office; "RO" for Resident Office; and "PO" for Project Office. Codes following the "G" typically are not used for Navy, Air Force, and NASA projects.

Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for [Contractor Quality Control approval.] [information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government.] The following shall be submitted in accordance with Section

01 33 00 SUBMITTAL PROCEDURES:

SD-03 Product Data

NOTE: Delete bracketed wording in the first sentence when steel pipe is not allowed.

Piping Materials

Water distribution main piping, fittings, joints, valves, and coupling

Water service line piping, fittings, joints, valves, and coupling

Hydrants

Indicator posts

Corporation stops

Valve boxes

Submit manufacturer's standard drawings or catalog cuts, except submit both drawings and cuts for push-on [and rubber-gasketed

SECTION 33 11 00 Page 15 bell-and-spigot] joints. Include information concerning gaskets with submittal for joints and couplings.

SD-05 Design Data

Design calculations of water piping

SD-06 Test Reports

Bacteriological Disinfection[; G][; G, [_____]].

Test results from commercial laboratory verifying disinfection

SD-07 Certificates

Water distribution main piping, fittings, joints, valves, and coupling

Water service line piping, fittings, joints, valves, and coupling

Shop-applied lining [and coating]

Lining

Fire hydrants

Displacement Type Meters

Compound Type Meters

Certificates shall attest that tests set forth in each applicable referenced publication have been performed, whether specified in that publication to be mandatory or otherwise and that production control tests have been performed at the intervals or frequency specified in the publication. Other tests shall have been performed within 3 years of the date of submittal of certificates on the same type, class, grade, and size of material as is being provided for the project.

SD-08 Manufacturer's Instructions

[ Delivery, storage, and handling

] Installation procedures for water piping

1.5 DELIVERY, STORAGE, AND HANDLING

1.5.1 Delivery and Storage

Inspect materials delivered to site for damage. Unload and store with minimum handling. Store materials on site in enclosures or under protective covering. Store [plastic piping, jointing materials and] rubber gaskets under cover out of direct sunlight. Do not store materials directly on the ground. Keep inside of pipes, fittings, [valves] [and] [hydrants] free of dirt and debris.

1.5.2 Handling

SECTION 33 11 00 Page 16

NOTE: Delete coatings not allowed for the project.

AWWA M11 in the chapter on protective coatings contains information on the relative merits of cement mortar and coal-tar enamel coatings. See Foreword to AWWA C210 for information on coal-tar epoxy coating.

Handle pipe, fittings, valves, hydrants, and other accessories in a manner to ensure delivery to the trench in sound undamaged condition. Take special care to avoid injury to coatings and linings on pipe and fittings;

make repairs if coatings or linings are damaged. Do not place any other material or pipe inside a pipe or fitting after the coating has been applied. Carry, do not drag pipe to the trench. Use of pinch bars and tongs for aligning or turning pipe will be permitted only on the bare ends of the pipe. The interior of pipe and accessories shall be thoroughly cleaned of foreign matter before being lowered into the trench and shall be kept clean during laying operations by plugging or other approved method.

Before installation, the pipe shall be inspected for defects. Material found to be defective before or after laying shall be replaced with sound material without additional expense to the Government. Store rubber gaskets that are not to be installed immediately, under cover out of direct sunlight.

1.5.2.1 Coated and Wrapped Steel Pipe

[ Handle steel pipe with [coal-tar enamel] [coal-tar epoxy] coating in accordance with the provisions of AWWA C203.

]1.5.2.2 Polyethylene (PE) Pipe, Fittings, and Accessories

Handle PE pipe, fittings, and accessories in accordance with AWWA C901.

1.5.2.3 Miscellaneous Plastic Pipe and Fittings

Handle Polyvinyl Chloride (PVC), [Reinforced Thermosetting Resin Pipe (RTRP) and Reinforced Mortar Pressure (RPMP)] pipe and fittings in accordance with the manufacturer's recommendations. Store plastic piping and jointing materials that are not to be installed immediately under cover out of direct sunlight.

Storage facilities shall be classified and marked in accordance with

NFPA 704.

PART 2 PRODUCTS

2.1 WATER DISTRIBUTION MAIN MATERIALS

NOTE: Allowable Piping Materials:

1. The project specification should allow all piping materials for water mains and for water service lines which are suitable for the project, each to be permitted as a Contractor's option.

2. Refer to the appropriate Design or Technical Manual on water supply systems for general information on piping materials suitable for use on

SECTION 33 11 00 Page 17 water supply lines, water mains and water service lines for water distribution systems.

3. Pipe materials which are known to be unsuitable for particular local conditions (i.e., corrosion, deterioration, etc.) should not be permitted for the project. However, consider use of more effective protective coatings, etc., where economically feasible.

4. Approval of polyethylene water service line piping, previously allowed by this guide specification, was withdrawn by Amendment 2 (September 1982) to TS-02713 (January 1981) because of widespread problems with the pipe. This withdrawal of approval remains in force until further notice.

Class 150 pipe will normally be specified for water distribution systems except where local conditions require a higher class. Class 150 pipe is furnished with wall thickness suitable for laying with a standard design depth of cover, using a flat bottom trench without blocks and with compacted backfill.

2.1.1 Piping Materials

2.1.1.1 Ductile-Iron Piping

NOTE: Insert the necessary Pressure Class/Thickness Class to meet project conditions, as determined from AWWA C151/A21.51, Tables for Pressure Class and Thickness Class.

When pipe is installed underground in a corrosive environment as determined by pH and resistivity tests, then include Section 26 42 13.00 20 CATHODIC

PROTECTION BY GALVANIC ANODE.

Cement-mortar linings with twice the standard thickness may be specified for ductile-iron pipe conveying unusually aggressive waters.

Consideration will be given to the service life of the pipe and the potential for changes in treatment methods.

Polyethylene encasement will apply where soil conditions warrant, in accordance with Appendix A of

AWWA C105/A21.5.

a. Pipe and Fittings: Pipe, [except flanged pipe,] AWWA C151/A21.51, [Pressure Class [_____]] [Thickness Class [_____]]. [Flanged pipe, AWWA C115/A21.15.] Fittings, AWWA C110/A21.10 or AWWA C153/A21.53 [;

fittings with push-on joint ends conforming to the same requirements as fittings with mechanical-joint ends, except that the bell design shall be modified, as approved, for push-on joint]. Fittings shall have

SECTION 33 11 00 Page 18 pressure rating at least equivalent to that of the pipe. Ends of pipe and fittings shall be suitable for the specified joints. Pipe and fittings shall have cement-mortar lining, AWWA C104/A21.4, [twice the] standard thickness.

b. Joints and Jointing Material:

NOTE: Push-on joint or mechanical joint may be used except when the greater deflection afforded by the mechanical joint (as compared to the push-on joint) is considered necessary for all joints in the distribution system. See AWWA C600 for allowable deflection on each type of joint. When mechanical joints, flanged joints, mechanically coupled type joints using sleeve-type mechanical couplings, grooved or shouldered type joints, and insulating joints are specified as exceptions to the basic jointing method, their location(s) should be either indicated on the project drawings or specified using terminology consistent with that on the project drawings.

NOTE: Do not locate flanged joints, grooved joints, and shouldered joints on buried pipelines unless they are in valve pits or chambers.

(1) Joints: Joints for pipe and fittings shall be [push-on joints] [or] [mechanical joints] [unless otherwise indicated]. [Provide mechanical joints where indicated.] [Provide flanged joints where indicated.] [Provide mechanically coupled type joints using a sleeve-type mechanical coupling where indicated.] [Provide [grooved] [or] [shouldered] type joints where indicated.] [Provide insulating joints where indicated.] [Joints made with sleeve-type mechanical coupling may be used in lieu of push-on joint, subject to the limitations specified in paragraph entitled "Sleeve-Type Mechanical Couplings."] [[Grooved] [or] [shouldered] type joints may be used in lieu of [flanged joint or] push-on joint, except where joint is buried.]

(2) Push-On Joints: Shape of pipe ends and fitting ends, gaskets, and lubricant for joint assembly, AWWA C111/A21.11.

(3) Mechanical Joints: Dimensional and material requirements for pipe ends, glands, bolts and nuts, and gaskets, AWWA C111/A21.11.

(4) Flanged Joints: Bolts, nuts, and gaskets for flanged connections as recommended in the Appendix to AWWA C115/A21.15. Flange for setscrewed flanges shall be of ductile iron, ASTM A536, Grade 65-45-12, and conform to the applicable requirements of ASME B16.1, Class 250. Setscrews for setscrewed flanges shall be 1310 MPa 190,000 psi tensile strength, heat treated and zinc-coated steel.

Gasket and lubricants for setscrewed flanges, in accordance with applicable requirements for mechanical-joint gaskets specified in AWWA C111/A21.11. Design of setscrewed gasket shall provide for confinement and compression of gasket when joint to adjoining

SECTION 33 11 00 Page 19 flange is made.

(5) Insulating Joints: Designed to effectively prevent metal-to-metal contact at the joint between adjacent sections of piping. Joint shall be of the flanged type with insulating gasket, insulating bolt sleeves, and insulating washers. Gasket shall be of the dielectric type, full face, and in other respects as recommended in the Appendix to AWWA C115/A21.15. Bolts and nuts, as recommended in the Appendix to AWWA C115/A21.15.

(6) Sleeve-Type Mechanical Coupled Joints: As specified in paragraph entitled "Sleeve-Type Mechanical Couplings."

NOTE: At the text below, do not use grooved and shouldered type joints for Navy projects.

(7) [Grooved] [and] [Shouldered] Type Joints: [Grooved] [and] [shouldered] pipe ends and couplings, AWWA C606. Joint dimension shall be as specified in AWWA C606 for rigid joints [, except that where joints are indicated to be flexible, joint dimensions shall be as specified for flexible joints].

2.1.1.2 Polyvinyl Chloride (PVC) Plastic Piping

NOTE: Use Pressure Class 150 (DR 18) except when Pressure Class 200 (DR 14) is necessary. See Appendix A to AWWA C900. Molecularly Oriented PVC pipe can only be specified for Pressure Class 150 and with cast-iron-pipe-equivalent OD. When due to external loading, pipe of greater strength than Class 200 is required, do not include PVC plastic water main pipe.

Plastic pipe shall not be used when it will be subject to temperature in excess of 37.8 degrees C 100 degrees F in installed usage or exposed to a source of heat from adjacent lines or equipment.

a. Pipe and Fittings: Pipe, AWWA C900, shall be plain end or gasket bell end, Pressure Class [150 (DR 18)] [200 (DR 14)] with cast-iron-pipe-equivalent OD. [Molecularly Oriented Polyvinyl Chloride (PVCO) pressure pipe, AWWA C909,shall be plain end or gasket bell end, Pressure Class 150 with cast-iron-pipe-equivalent outside diameter.]

[ b. Pipe 350 through 900mm 14 through 36 diameter: AWWA C905.

] c. Fittings for PVC pipe: Fittings shall be gray iron or ductile iron, AWWA C110/A21.10 or AWWA C153/A21.53, and have cement-mortar lining, AWWA C104/A21.4, standard thickness. Fittings with push-on joint ends shall conform to the same requirements as fittings with mechanical-joint ends, except that bell design shall be modified, as approved, for push-on joint suitable for use with PVC plastic pipe specified in this paragraph. Iron fittings and specials shall be cement-mortar lined in accordance with AWWA C104/A21.4. [Fittings and specials may be of the same material as the pipe with elastomeric

SECTION 33 11 00 Page 20 gaskets, all in conformance with AWWA C605 and AWWA C900.] [Pipe, couplings and fittings for PVCO plastic pipe shall be manufactured of material conforming to ASTM F1483 and ASTM D1784, Class 12454-B.] [Schedule 80 PVC fittings shall conform to ASTM D2467.]

d. Joints and Jointing Material: Joints for pipe shall be push-on joints, ASTM D3139. Joints between pipe and metal fittings, valves, and other accessories shall be push-on joints ASTM D3139, or compression-type joints/mechanical joints, ASTM D3139 and AWWA C111/A21.11. Provide each joint connection with an elastomeric gasket suitable for the bell or coupling with which it is to be used. Gaskets for push-on joints for pipe, ASTM F477. Gaskets for push-on joints and compression-type joints/mechanical joints for joint connections between pipe and metal fittings, valves, and other accessories, AWWA C111/A21.11, respectively, for push-on joints and mechanical joints. Mechanically coupled joints using a sleeve-type mechanical coupling, as specified in paragraph entitled "Sleeve-Type Mechanical Couplings," may be used as an optional jointing method in lieu of push-on joints on plain-end PVC plastic pipe, subject to the limitations specified for mechanically coupled joints using a sleeve-type mechanical coupling and to the use of internal stiffeners as specified for compression-type joints in

ASTM D3139.

[2.1.1.3 Polyethylene (PE) Plastic Piping

Pipe, tubing, and heat-fusion fittings shall conform to AWWA C906.

][2.1.1.4 Reinforced Thermosetting Resin Pipe (RTRP)

NOTE: For Navy projects, DO NOT USE RTRP.

Reinforced Thermosetting Resin Pipe (RTRP) is a type of fiberglass pipe. Fiberglass pipe can be used for potable water systems. Some advantages of fiberglass include durability, corrosion resistance, and eliminating the need for interior or exterior lining or coatings. However, special attention should be made to bedding and pipe support requirements. Pipe leaks are difficult to locate due to the manufacturing process. Refer to AWWA M45 for design considerations.

Types refer to the method of manufacturing. Type I is filament bound. Type II is centrifugally cast.

Grade is determined by construction (glass-fiber-reinforced or glass-fiber-reinforced mortar) and bonding materials (epoxy or polyester).

Grade 1 is glass-fiber reinforced epoxy. Grade 2 is glass-fiber-reinforced polyester.

a. Pipe shall have a quick-burst strength greater than or equal to four times the normal working pressure of the pipe. The quick-burst strength test shall conform to the requirements of ASTM D1599.

b. Fittings and specials required for closures, curves, bends, branches and connections to valves, pipe, or structures shall be approved by the

SECTION 33 11 00 Page 21

Contracting Officer and conform to the details furnished by the manufacturer and to AWWA C300, AWWA C301, or AWWA C303, as applicable.

c. Joints shall be bell and spigot gasket coupling utilizing an elastomeric gasket in accordance with ASTM D4161.

d. RTRP-I, Grade 1 and 2 Pipe and Joints: RTRP-I pipe shall conform to ASTM D2996, except pipe shall have an outside diameter equal to cast iron outside diameter or standard weight steel pipe. The pipe shall be suitable for a normal working pressure of 1.03 MPa 150 psi at 23 degrees C 73 degrees F. The inner surface of the pipe shall have a smooth uniform continuous resin-rich surface liner conforming to ASTM D2996. Joints shall be bell and spigot with elastomeric gasket, mechanical coupling with elastomeric gasket, threaded and bonded coupling, or tapered bell and spigot with compatible adhesive. All RTRP-I materials shall be products of a single manufacturer.

e. RTRP-II, Grade 1 and 2: RTRP-II shall conform to ASTM D2997. Pipe shall have an outside diameter equal to standard weight steel pipe.

Joints shall be the bell and spigot type with elastomeric gasket, bell and spigot with adhesive, butt-jointed with adhesive bonded reinforced overlay, mechanical, flanged, threaded or commercially available proprietary joints, provided they are capable of conveying water at the pressure and temperature of the pipe.

][2.1.1.5 Reinforced Plastic Mortar Pressure Pipe (RPMP)

NOTE: For Navy projects, DO NOT use RPMP.

Reinforced Plastic Mortar Pressure Pipe (RPMP) is a type of fiberglass pipe. Fiberglass pipe can be used for potable water systems. Some advantages of fiberglass include durability, corrosion resistance, and eliminating the need for interior or exterior lining or coatings. However, special attention should be made to bedding and pipe support requirements. Pipe leaks are difficult to locate due to the manufacturing process. Refer to AWWA M45 for design considerations.

a. RPMP shall be produced by centrifugal casting and shall have an OD 304 to 1219 mm 12 to 48 inches equal to ductile-iron, with a 1034 kPa 150 psi pressure rating and with a minimum pipe stiffness of 248 kPa 36 psi.

RPMP shall be in accordance with AWWA C950.

b. Fittings and specials shall be compatible with the pipe supplied.

Filament wound or molded fittings up to 150 mm 6 inches shall conform to AWWA C950. Iron fittings shall be cement-mortar lined in accordance with AWWA C104/A21.4 and shall conform to AWWA C110/A21.10 and AWWA C111/A21.11. Fittings shall be suitable for working and testing pressures specified for the pipe.

c. Joints shall be bell and spigot gasket coupling utilizing an elastomeric gasket in accordance with ASTM D4161.

SECTION 33 11 00 Page 22

][2.1.1.6 Reinforced and Prestressed Concrete Piping

NOTE: Reinforced and prestressed concrete pipe is used for raw water (processed water). Delete paragraph for potable water. Verify pipe sizes required. In the Pacific Coast, Rocky Mountain, and Southwest States, concrete pipe is available in 250 mm 10 inch diameter and larger, pretensioned type only in sizes less than 400 mm 16 inches. In other parts of the country, concrete pipe may not be available in sizes below 400 mm 16 inch diameter.

NOTE: For projects in the Pacific Coast, Rocky Mountain, and Southwest states where only piping of less than 400 mm 16 inch size is involved, delete requirements which are referenced to AWWA C300 and

AWWA C301.

NOTE: Use 1000 kPa 150 psi except when a higher pressure rating, up to 1400 kPa 200 psi is necessary.

NOTE: AWWA recommends a minimum of 1.8 m 6 feet of earth cover for ordinary conditions. Delete this information when depth is indicated on the drawings.

AWWA Standards do not include reinforced and prestressed concrete pipe sizes less than 250 mm 10 inches in diameter. Applicable size ranges for publications referenced in this paragraph are as follows:

Range of Diameter Size mm inches Publication

250-1050 10-42 AWWA C303 (Reinforced)

600-3600 24-144 AWWA C300 (Reinforced)

400-3600 16-144 AWWA C301 (Prestressed)

In certain localities 150 mm and 200 mm 6 and 8 inch prestressed concrete pipe is available. When such pipe is available, it should conform to AWWA C303 with the following exceptions:

Nominal inside diameter of pipe, mm inches 150 6 200 8

Nominal lining thickness, mm inch 6 1/4 6 1/4

SECTION 33 11 00 Page 23

Nominal coating thickness, mm inch 25 1 25 1

Class 150

Total steel area per meter, square mm per foot, square inch

1990 0.94 1990 0.94

Minimum cylinder thickness, mm gauge 1.519 16 1.519 16

a. Piping and Fittings: [Prestressed steel cylinder type reinforced concrete pipe, AWWA C301. Steel cylinder type reinforced concrete pipe, not prestressed, AWWA C300.] Pretensioned steel cylinder type reinforced concrete pipe, AWWA C303. Pipe shall be designed for the following minimum conditions:

Pressure rating - [_____] kPa psi

[Earth cover - [_____] mm feet.]

Water hammer - 40 percent of pressure rating

Live load - AASHTO H 20 truck loading

NOTE: In those parts of the United States where concrete pipe will be carrying sulfate-bearing waters or where concrete pipe will be buried in soils containing sulfates, specify concrete pipe manufactured using sulfate-resisting cement. Specify Type II (moderate sulfate resisting) cement when water-soluble sulfates (as S04) in the soil are in the range of 0.1 and 0.2 percent and, for water, are in the range of 150 to 1000 parts per million.

Specify Type V (sulfate resisting) cement when soils contain in excess of 0.2 percent water-soluble sulfate and water samples contain in excess of 1000 parts per million sulfate. The availability of pipe made using Type V cement should be verified. In areas where reactive aggregates are known to occur, specify low alkali cement.

Do not order pipe until design calculations have been approved. Fittings shall conform to the same specification as that used for the pipe and shall be designed as specified for the pipe. [Cement used in the manufacture of the pipe and fittings shall be [Type II] [Type V] [low alkali cement] conforming to ASTM C150/C150M.] Identification marking for pipe and fittings shall include the pressure rating.

b. Jointing Material: Gaskets shall be as specified in the referenced specification for the pipe. Rubber-gasket joints shall be of the type using a bell and spigot joint design of steel.

][2.1.1.7 Steel Piping

NOTE: Delete requirements for steel pipe and

SECTION 33 11 00 Page 24 associated fittings for Navy projects.

NOTE: Verify availability of pipe sizes required.

In the Pacific Coast, Rocky Mountain, and Southwest States, steel pipe is available in 125 mm 5 inch diameter and larger. In other parts of the country, steel pipe may not be available in sizes less than 600 mm 24 inch diameter since the major producer in those areas has discontinued production of steel water pipe.

NOTE: Delete coatings not allowed for the project.

AWWA M11 in the chapter on protective coatings contains information on the relative merits of cement-mortar and coal-tar enamel coatings. See Foreword to AWWA C210 for information on coal-tar epoxy coating.

NOTE: Delete requirements for lining of aboveground piping when aboveground piping is not included in project. When included, pipe and fittings for aboveground lines will be furnished with lining only. Exterior protection for aboveground piping should be specified in Section 09 90 00 PAINTS AND

COATINGS.

NOTE: Use of nongalvanized steel pipe is restricted to water supply and service lines only where future tapping is not anticipated; use for sizes 80 mm (3 inches) in diameter and larger. Pipe sizes and minimum acceptable thickness required will be inserted in the blanks.

For high sulfate soils or waters, cement will be specified to conform to ASTM C150/C150M, Portland Cement, Type II. When reactive aggregates are used, cement will be specified to conform to ASTM C150/C150M, Portland Cement, low alkali. When specified, ASTM C150/C150M, Portland Cement, will be added to paragraph REFERENCES.

a. Pipe and Fittings: Pipe, AWWA C200. Fittings, AWWA C208 and to AWWA C200, with reference to the requirements specified therein for "Special Sections." Pipe and fittings [for underground lines] shall have cement-mortar lining and [cement-mortar] [coal-tar enamel] [coal-tar epoxy] coating. [Pipe and fittings for aboveground lines shall have cement-mortar lining.] Ends of pipe and fittings shall be suitable for the joints and jointing materials used.

SECTION 33 11 00 Page 25

1. Pipe shall be welded or seamless with plain or shouldered and grooved ends in accordance with AWWA C606 for use with mechanical couplings or bell-and-spigot ends with rubber gaskets.

Bell-and-spigot ends for sizes less than 150 mm 6 inches diameter shall be as required by AWWA C200.

2. Fittings and specials shall be made of the same material as the pipe. Specials and fittings may be made of standard steel tube turns or segmentally welded sections, with ends to accommodate the type of couplings or joints specified for the pipe. The thickness rating of pipe fittings and specials shall be not less than the thickness specified and the pressure rating calculated for the pipe with which they are used. Protective materials for fittings and specials shall be as specified for the pipe.

Specials and fittings that cannot be mechanically lined, coated, and wrapped shall be lined, coated, and wrapped by hand, using the same material used for the pipe with the same number of applications of each material, smoothly applied.

NOTE: Use 1000 kPa 150 psi except when a higher pressure rating, up to 1400 kPa 200 psi is necessary.

NOTE: A minimum earth cover of 1.5 m 5 feet is recommended for ordinary conditions. Delete this information when depth is indicated on the drawings.

b. Wall Thickness for Pipe and Fittings: [The minimum metal thickness for steel pipe wall shall be [_____] mm inch, based on steel having a yield strength of [_____] kPa psi.] [Wall thickness of steel pipe and fittings shall be determined by the manufacturer of the pipe and calculated in the following manner. Design for the following minimum conditions:

Pressure rating [_____] kPa psi

[Earth cover] [[_____] mm feet]

Water hammer 40 percent of pressure rating

Live load AASHTO H 20 truck loading

Allowable deflection 2 percent of nominal pipe diameter

NOTE: In the calculation of wall thickness for steel water main pipe, the value of E' (modulus of soil reaction) should be based on realistic expectations of sidefill compaction rather than theoretical ones.

Calculate pipe wall thickness on the basis of an allowable fiber stress in

SECTION 33 11 00 Page 26 the steel equal to 50 percent of the minimum…