1、AWWA Standard SM Polyethylene (PE) Pressure Pipe and Tubing, 3/4 In. (19 mm) Through 3 In. (76 mm), for Water Service Effective date: Nov. 1, 2017. First edition approved by AWWA Board of Directors Jan. 28, 1978. This edition approved June 11, 2017. Approved by American National Standards Institute
2、May 11, 2017. ANSI/AWWA C901-17 (Revision of ANSI/AWWA C901-08) Copyright 2017 American Water Works Association. All Rights Reserved. ii AWWA Standard This document is an American Water Works Association (AWWA) standard. It is not a specification. AWWA standards describe minimum requirements and do
3、not contain all of the engineering and administrative information normally contained in specifications. The AWWA standards usually contain options that must be evaluated by the user of the standard. Until each optional feature is specified by the user, the product or service is not fully defined. AW
4、WA pub- lication of a standard does not constitute endorsement of any product or product type, nor does AWWA test, certify, or approve any product. The use of AWWA standards is entirely voluntary. This standard does not supersede or take precedence over or displace any applicable law, regulation, or
5、 code of any governmental authority. AWWA standards are intended to represent a consensus of the water industry that the product described will provide satisfactory ser- vice. When AWWA revises or withdraws this standard, an official notice of action will be placed on the first page of the Official
6、Notice section of Journal American Water Works Association. The action becomes effective on the first day of the month following the month of Journal American Water Works Association publication of the official notice. American National Standard An American National Standard implies a consensus of t
7、hose substantially concerned with its scope and provisions. An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether that person has approved the
8、 standard or not, from manufacturing, marketing, purchasing, or using products, processes, or proce - dures not conforming to the standard. American National Standards are subject to periodic review, and users are cau- tioned to obtain the latest editions. Producers of goods made in conformity with
9、an American National Standard are encouraged to state on their own responsibility in advertising and promotional materials or on tags or labels that the goods are produced in conformity with particular American National Standards. Caution n oti Ce : The American National Standards Institute (ANSI) a
10、pproval date on the front cover of this standard indicates completion of the ANSI approval process. This American National Standard may be revised or withdrawn at any time. ANSI procedures require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the d
11、ate of publication. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036; 212.642.4900; or emailing infoansi.org. hours of work by your fellow
12、water professionals. Revenue from the sales of this AWWA material supports ongoing product development. Unauthorized distribution, either electronic or photocopied, is illegal and hinders AWWAs mission to support the water community. This AWWA content is the product of thousands of ISBN-13, print: 9
13、78-1-62576-260-3 eISBN-13, electronic: 978-1-61300-446-3 DOI:http:/dx.doi.org/10.12999/AWWA C901 All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information or retrieval sy
14、stem, except in the form of brief excerpts or quotations for review purposes, without the written permission of the publisher. Copyright 2017 by American Water Works Association Printed in USA Copyright 2017 American Water Works Association. All Rights Reserved. iii Committee Personnel The AWWA Stan
15、dards Subcommittee on C901, which reviewed and developed this revision, included the following personnel at the time: Camille G. Rubeiz, Chair S. Boros, Pipeline Plastics, Westlake, Texas (AWWA) A. J. Ciechanowski, NSF International, Ann Arbor, Mich. (NSF) D. Keller, LyondellBasell, Cincinnati, Ohio
16、 (AWWA) D. Langston, WL Plastics, Cedar City, Utah (AWWA) H. Link, Colorado Springs Utilities, Colorado Springs, Colo. (AWWA) The AWWA Standards Committee on Polyolefin Pressure Pipe and Fittings, which reviewed and approved this standard, had the following personnel at the time of approval: John F.
17、 Fishburne, Chair Camille G. Rubeiz, Secretary General Interest Members W.I. Adams, WSS Consulting, Terre Haute, Ind. (AWWA) J.L. Beaver, Simpson Gumpertz refer to AWWA Manual M55 for informa- tion about the use of PE tubes at higher service temperatures. Pipe ranging in nominal size from 3/4 in. (1
18、9 mm) through 3 in. (76 mm) conforms to the outside-diameter (OD) dimensions of iron pipe size (IPS) or to the inside-diameter (ID) dimensions of IPS pipe. Tubing ranging in size from 3/4 in. (19 mm) through 2 in. (51 mm) conforms to the outside-diameter dimensions of copper tube size (CTS). I.B. Hi
19、story. On Jan. 28, 1978, the first edition of ANSI/AWWA C901 was approved by the AWWA Board of Directors. On Aug. 9, 1982, a subcommittee of the AWWA Standards Committee on Thermoplastic Pipe was formed to review and revise the standard based on experience and advances in the state of the art since
20、the adoption of the standard. To this end, AWWA conducted two surveys of its members to ascertain their experience with ANSI/AWWA C901 products. This information was incorporated into the second edition of ANSI/AWWA C901, approved on Jan. 24, 1988. In June 1988, the Thermoplastic Pressure Pipe Commi
21、ttee was divided into two committees to accommodate both polyolefin and polyvinyl chloride (PVC) pipe. Thus were formed the Polyvinyl Chloride Pressure Pipe and Fittings Committee and the Polyolefin Pressure Pipe and Fittings Committee. Subsequent editions of C901 were approved June 27, 1996, June 1
22、6, 2002, and June 8, 2008. This edition was approved on June 11, 2017. I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF * American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York,
23、NY 10036. Copyright 2017 American Water Works Association. All Rights Reserved. viii International (NSF*) to develop voluntary third-party consensus standards and a certification program for direct and indirect drinking water additives. Other members of the original consortium included the Water Res
24、earch Foundation (formerly AwwaRF) and the Conference of State Health and Environmental Managers (COSHEM). The American Water Works Association (AWWA) and the Association of State Drinking Water Administrators (ASDWA) joined later. In the United States, authority to regulate products for use in, or
25、in contact with, drinking water rests with individual states. Local agencies may choose to impose requirements more stringent than those required by the state. To evaluate the health effects of products and drinking water additives from such products, state and local agencies may use various referen
26、ces, including 1. Specific policies of the state or local agency. 2. Two standards developed under the direction of NSF: NSF/ANSI 60, Drinking Water Treatment ChemicalsHealth Effects, and NSF/ANSI 61, Drinking Water System ComponentsHealth Effects. 3. Other references, including AWWA standards, Food
27、 Chemicals Codex, Water Chemicals Codex, and other standards considered appropriate by the state or local agency. Various certification organizations may be involved in certifying products in accor- dance with NSF/ANSI 61. Individual states or local agencies have authority to accept or accredit cert
28、ification organizations within their jurisdictions. Accreditation of certi- fication organizations may vary from jurisdiction to jurisdiction. Annex A, “Toxicology Review and Evaluation Procedures,” to NSF/ANSI 61 does not stipulate a maximum allowable level (MAL) of a contaminant for substances not
29、 regulated by a USEPA final maximum contaminant level (MCL). The MALs of an unspecified list of “unregulated contaminants” are based on toxicity testing guidelines (noncarcinogens) and risk characterization methodology (carcinogens). Use of Annex A procedures may not always be identical, depending o
30、n the certifier. ANSI/AWWA C901 does not address additives requirements. Thus, users of this standard should consult the appropriate state or local agency having jurisdiction in order to 1. Determine additives requirements, including applicable standards. * NSF International, 789 North Dixboro Road,
31、 Ann Arbor, MI 48105. Persons outside the United States should contact the appropriate authority having jurisdiction. Both publications available from National Academy of Sciences, 500 Fifth Street, NW, Washington, DC 20418. Copyright 2017 American Water Works Association. All Rights Reserved. ix 2.
32、 Determine the status of certifications by parties offering to certify products for contact with, or treatment of, drinking water. 3. Determine current information on product certification. II. Special Issues. II.A. Considerations for Oxidative Resistance. Consistent with the practice of other pipe
33、and material standards, strength ratings in this standard are not reduced for potential in-service degradation mechanisms such as internal or external corrosion and oxidation. ASTM* F2263 assesses long-term internal oxidative stability of PE materials in potable water applications based on accelerat
34、ed testing and modeling. ASTM F2263 was updated in 2014 to reflect how testing is currently being performed. ASTM F2263 results are useful for projecting the relative performance of various PE pipe compounds in chlorinated water applications. ASTM F2263 is a test method and does not include performa
35、nce criteria for PE tubes. ASTM D3350 was updated in 2014 to provide for the classification of PE resin performance under oxidative conditions. The materials requirements incorporating ASTM F2263 and D3350 have been added in Section 4. For potable water applications, the standard specifies PE compou
36、nds with oxida- tive resistance classification CC2 or CC3, and limits the pipe size (i.e., dimension ratio) to DR9, which ensures adequate design life under the vast majority of disinfec- tant applications where chlorine and chloramine are used as secondary disinfectants. (Note : This standard does
37、not include consideration of chlorine dioxide as a secondary disinfectant, which is estimated to be used in less than 1 percent of North Ameri- can utilities. Seek additional guidance from the pipe supplier if chlorine dioxide is the planned disinfectant practice. (See Jana Laboratories, Usage and E
38、ffects of Chlorine Dioxide on PEX Plumbing and Water Distribution Systems in North America, prepared for the Plastics Pipe Institute, July 2010, http:/plasticpipe.org/pdf/effects-of-chorine- dioxide-on-pex.pdf.) Future updates to AWWA Manual M55 will incorporate addi- tional design guidance. III. Us
39、e 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. Refer to AWWA Manual M55 for details. III.A. Purchaser Options and Alternatives. Th e following items should be covered by the purchaser: * ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428 Copyright 2017 American Water Works Association. All Rights Reserved.
