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AWWA C904 2022

$76.92

AWWA C904-22 Crosslinked Polyethylene (PEX) Pressure Tubing, 1/2 In. (13 mm) Through 3 In. (76 mm) for Water Service

Published By Publication Date Number of Pages
AWWA 2022 60
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The purpose of this standard is to provide the requirements for materials, design, testing and inspection, and shipping of PEX tubing for use as service lines in the construction of underground water distribution systems.

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PDF Pages PDF Title
7 Foreword
I. Introduction.
I.A. Background. This standard describes crosslinked polyethylene (PEX) pressure tubing for use primarily as potable service lines in the construction of underground water distribution systems.
I.B. History. On June 18, 2002, the American Water Works Association (AWWA) Committee on Polyolefin Pressure Pipe and Fittings was approached to develop a standard describing PEX for water service applications. On June 15, 2004, the polyolefin committee u
I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct
9 II. Special Issues. AWWA’s “Committee Report—Design and Installation of Crosslinked Polyethylene (PEX) Pipe in Accordance with AWWA C904” was developed and approved by the AWWA Standards Committee on Polyolefin Pressure Pipe and Fittings and was published
II.A. Design Criteria.
Table F.1 Hydrostatic design basis and hydrostatic design stress for PEX tubing
11 II.B. Installation.
14 II.C. Water System Disinfection. PEX tubing should be disinfected in accordance with ANSI/AWWA C651, Disinfecting Water Mains. Refer to Sec. A.4.10 and Sec. A.5.1 for more information on disinfection.
II.D. Squeeze-Off. The use of squeeze-off techniques for emergency shutoff should be performed only on materials, wall thicknesses, and tubing diameters as recommended by the tubing manufacturer. Squeeze-off should be performed in accordance with ASTM F10
II.E. References. The latest editions of the following documents are incorporated by reference in Sec. II of this foreword to the extent specified. In case of conflict, the provisions of Sec. II shall prevail. These references are provided for information
15 III. Use of This Standard. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being considered.
III.A. Purchaser Options and Alternatives. The following items should be provided by the purchaser.
16 III.B. Modification to Standard. Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser.
IV. Major Revisions. Major changes made to the standard in this revision include the following:
17 V. Comments. If you have any comments or questions about this standard, please contact AWWA Engineering and Technical Services at 303.794.7711; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at [email protected].
19 AWWA Standard
SECTION 1: GENERAL
Sec. 1.1 Scope
20 Sec. 1.2 Purpose
Sec. 1.3 Application
SECTION 2: REFERENCES
21 SECTION 3: DEFINITIONS
23 SECTION 4: REQUIREMENTS
Sec. 4.1 Permeation
Sec. 4.2 Materials
24 Table 1 HDS, HDB, and pressure class of SDR9 PEX tubing for water at 73°F (23°C)
Sec. 4.3 Tubing
25 Table 2 Outside diameters and tolerances for SDR9 PEX tubing
Table 3 Sustained water pressure test condition for SDR9 PEX tubing
26 SECTION 5: VERIFICATION
Sec. 5.1 General
27 Sec. 5.3 Tests for Product Quality Control
Sec. 5.4 Nonconformance
Sec. 5.5 Quality Control Records
Sec. 5.6 Plant Inspection by the Purchaser
28 SECTION 6: DELIVERY
Sec. 6.1 Marking
29 Sec. 6.2 Shipping and Delivery
Sec. 6.3 Affidavit of Compliance
31 Design and Installation of Crosslinked Polyethylene (PEX) Tubing in Accordance with ANSI/AWWA C904
50 Table A.2 Average inside diameters for SDR9 PEX tubing (CTS)
59 Bibliography of Sources for Additional Information
Regarding Permeation of Polyolefin Tubing
AWWA C904 2022
$76.92