1、SM AWWA Management Standard Distribution Systems Operation and Management Effective date: May 1, 2015. First edition approved by AWWA Board of Directors June 14, 2009. This edition approved Jan. 24, 2015. Approved by American National Standards Institute Jan. 28, 2015. ANSI/AWWA G200-15 (Revision of
2、 ANSI/AWWA G200-09) Copyright 2015 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 not contain all of the engineering and admin
3、istrative 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. AWWA publica - tion of a standard does not con
4、stitute 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 pre- cedence over or displace any applicable law, regulation, or code of any governmental authority. AWWA
5、 standards are intended to represent a consensus of the water industry that the product described will provide satisfactory service. When AWWA revises or withdraws this standard, an official notice of action will be placed in the Official Notice section of Journal - American Water Works Association.
6、 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 those substantially concerned with its scope and provision
7、s. 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 ap - proved the standard or not, from manufacturing, marketing, purch
8、asing, or using products, processes, or procedures not conforming to the standard. American National Standards are subject to periodic review, and users are cautioned to obtain the latest editions. Producers of goods made in conformity with an American National Standard are encour - aged to state on
9、 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) approval date on the front cover of this standard indicat
10、es 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 date of ANSI approval. Purchasers of American National St
11、andards 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. ISBN-13, print: 978-1-62576-076-0 eISBN-13, electronic: 978-1-61300-330-5DOI: http:
12、/dx.doi.org/10.12999/AWWA.G200.15 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 system, except in the form of brief excerpts or quotations for re
13、view purposes, without the written permission of the publisher. Copyright 2015 by American Water Works Association Printed in USA hours of work by your fellow water professionals. Revenue from the sales of this AWWA material supports ongoing product development. Unauthorized distribution, either ele
14、ctronic or photocopied, is illegal and hinders AWWAs mission to support the water community. This AWWA content is the product of thousands of Copyright 2015 American Water Works Association. All Rights Reserved. iii Committee Personnel The AWWA Standards Committee on Distribution Systems Operations
15、and Management, which reviewed and approved this standard, had the following personnel at the time of approval: Kanwal Oberoi, Chair General Interest Members M.N. Agbodo, URS Corporation, Temecula, Calif. (AWWA) M.L. Altland, Hatch Mott MacDonald, Iselin, N.J. (AWWA) D.M. Flancher,* Standards Engine
16、er Liaison, AWWA, Denver, Colo. (AWWA) S. Gould, Atkins, Austin, Texas (AWWA) H. Huddle, NAVFACWashington Public Works Department, Washington Navy Yard, D.C. (AWWA) S.R. Mason, Kimley-Horn and Associates Inc., Fort Worth, Texas (AWWA) B. McDonald, HDR Engineering, Phoenix, Ariz. (AWWA) S.D. Osborne,
17、 OSD LLC, Lexington, Mass. (AWWA) P. Rogers, Georgia Southern University, Statesboro, Ga. (AWWA) A.J. Weiss, GHD Inc., Cazenovia, N.Y. (AWWA) D.S. Schwartz,* Standards Council Liaison, City of Waynesboro, Waynesboro, Va. (AWWA) Producer Members D.A. Feuer, Woolpert Inc., Englewood, Colo. (AWWA) J.S.
18、 Olson, Front Range Standards Committee, Littleton, Colo. (AWWA) User Members J.S. Czarnecki, Greenville Water, Travelers Rest, S.C. (AWWA) J.E. Dyksen, United Water, North Haledon, N.J. (AWWA) W.C. Gedney, Golden State Water Company, Ontario, Calif. (AWWA) M.E. Grahek, Los Angeles Department of Wat
19、er, Los Angeles, Calif. (AWWA) K.E. Morgan, Town of Gilbert, Gilbert, Ariz. (AWWA) C. Morissette, Ville de Montreal, Montreal, Que., Canada (AWWA) K. Oberoi, Charleston Water System, Charleston, S.C. (AWWA) G. Ramon, Little Rock Wastewater, Little Rock, Ark. (AWWA) D. Spencer, Powdersville Water Dis
20、trict, Powdersville, S.C. (AWWA) J.W. Swertfeger, Cincinnati Water Works, Cincinnati, Ohio (AWWA) * Liaison, nonvoting Copyright 2015 American Water Works Association. All Rights Reserved. This page intentionally blank. Copyright 2015 American Water Works Association. All Rights Reserved. v Contents
21、 All AWWA standards follow the general format indicated subsequently. Some variations from this format may be found in a particular standard. SEC. PAGE SEC. PAGE Foreword I Introduction vii I.A Background . vii I.B. History vii I.C Acceptance vii II Special Issues. . ix II.A Advisory Information on
22、Application of Standards ix II.B. Consecutive Systems. ix III Use of This Standard ix III.A Options and Alternatives ix III.B Modification to Standard . ix IV Major Revisions ix V Comments . ix Standard 1 General 1.1 Scope 1 1.2 Purpose . 1 1.3 Application 1 2 References 2 3 Definitions . 2 4 Requir
23、ements 4.1 Water Quality . 5 4.2 Distribution System Management Programs . 9 4.3 Facility Operations and Maintenance . 13 4.4 Permeation 15 5 Verification 5.1 Documentation Required 15 5.2 Employee Training and Development . 17 5.3 Basis for Rejection . 18 6 Delivery 6.1 Self-Assessment and Internal
24、 Auditing 18 Appendix A Bibliography 19 Copyright 2015 American Water Works Association. All Rights Reserved. This page intentionally blank. Copyright 2015 American Water Works Association. All Rights Reserved. vii Foreword This foreword is for information only and is not a part of ANSI*/AWWA G200.
25、I. Introduction. I.A. Background. The AWWA standards program is designed to serve water, wastewater, and reclaimed water utilitieshereafter referred to as the water sector their customers, owners, service providers, and government regulators. The standards developed under the program are generally i
26、ntended to improve a utilitys overall operations and service. Among the standards is a specific effort to establish formal management and operations guidelines. These guidelines identify the appropriate practices, procedures, and behaviors whose implementation will promote effective and efficient ut
27、ility operations and contribute to protection of public health, public safety, and the environment. AWWAs standards process has been used for more than 90 years to produce ANSI- accredited standards for materials and processes that are used by the water and wastewater utility industries. These stand
28、ards are recognized worldwide and have been adopted by many utilities and organizations. Likewise, these performance standards are developed using the same ANSI-recognized formal approval process. Volunteer standards commit- tees establish standard practices in a uniform and appropriate format. Form
29、al standards committees have been and continue to be formed to address the individual standards practices for the diverse areas of water sector operation. A formal standards committee was created in 2009 to develop standards for distribution sys- tems operation and management, water treatment plant
30、operations, and source water management. This standard is the outcome of the Distribution Systems Operation and Management Standards Committee. I.B. History. The first edition of this standard was approved by the AWWA Board of Directors on June 14, 2009. This second edition was approved on Jan. 24,
31、2015. 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 and indirect drinking water additives.
32、 Other members of the original consortium included the Water Research Foundation (formerly AwwaRF) and the Conference of State Health and Environmental Managers (COSHEM). The * American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036. NSF International, 789 North
33、Dixboro Road, Ann Arbor, MI 48105. Copyright 2015 American Water Works Association. All Rights Reserved. viii 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 i
34、n 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
35、ces, including 1. An advisory program formerly administered by USEPA, Office of Drinking Water, discontinued on Apr. 7, 1990. 2. Specific policies of the state or local agency. 3. Two standards developed under the direction of NSF: NSF/ANSI 60, Drinking Water Treatment ChemicalsHealth Effects, and N
36、SF/ANSI 61, Drinking Water System ComponentsHealth Effects. 4. Other references, including AWWA standards, Food 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
37、 in accor- dance with NSF/ANSI 61. Individual states or local agencies have authority to accept or accredit certification organizations within their jurisdictions. Accreditation of certi- fication organizations may vary from jurisdiction to jurisdiction. Annex A, “Toxicology Review and Evaluation Pr
38、ocedures,” to NSF/ANSI 61 does not stipulate a maximum allowable level (MAL) of a contaminant for substances not 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 ris
39、k characterization methodology (carcinogens). Use of Annex A procedures may not always be identical, depending on the certifier. ANSI/AWWA G200 does not address additives requirements. Thus, users of this standard should consult the appropriate state or local agency having jurisdiction in order to 1
40、. Determine additives requirements, including applicable standards. 2. 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. * Persons outside the United States shou
41、ld contact the appropriate authority having jurisdiction. Both publications available from National Academy of Sciences, 500 Fifth Street, NW, Washington, DC 20001. Copyright 2015 American Water Works Association. All Rights Reserved. ix II. Special Issues. II.A. Advisory Information on Application
42、of Standards. This standard includes only those requirements that are limited exclusively to the operation and management of the drinking water distribution system. Separate standards will cover utility programs such as safety, emergency preparedness and security, financial management, water treatme
43、nt, source water protection, and business systems. II.B. Consecutive Systems. Many times consecutive systems that purchase water from others have very little control over water quality issues such as disinfection by-products. III. Use of This Standard. It is the responsibility of the user of an AWWA
44、 standard to determine that the products described in that standard are suitable for use in the particular application being considered. III.A. Options and Alternatives. The following items should be provided by the purchaser. 1. Standard usedthat is, ANSI/AWWA G200, Distribution Systems Operation a
45、nd Management, of latest revision. 2. Whether compliance with NSF/ANSI 61, Drinking Water System ComponentsHealth Effects, is required. 3. Details of other federal, state or provincial, and local requirements (Sec. 4.1.1). III.B. Modification to Standard. Any modification to the provisions, definiti
46、ons, or terminology in this standard must be provided in the purchasers specifications. I V. Major Revisions. Major changes made to the standard in this revision include the following: 1. Repair and replacement programs were extended to include mains, service lines, valves, fire hydrants, storage fa
47、cilities, pump stations, and meters. 2. Taste and odor sections were consolidated. 3. Requirements for a pressure response plan and procedures were added. 4. Visual inspections were added as a minimum requirement for a corrosion monitoring program. 5. Permeation requirements were included in this st
48、andard. V. Comments. If you have any comments or questions about this standard, please contact AWWA Engineering and Technical Services at 303.794.7711, FAX at 303.795.7603; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at standardsawwa.org. Copyright 2015 Americ
49、an Water Works Association. All Rights Reserved. This page intentionally blank. Copyright 2015 American Water Works Association. All Rights Reserved. 1 AWWA Management Standard Distribution Systems Operation and Management SECTION 1: GENERAL Sec. 1.1 Scope This standard describes the critical requirements for the effective operation and management of drinking water distribution systems. Sec. 1.2 Purpose The purpose of this standard is to define the critical requirements for the operation and management of water distribution systems, inc
