AGA OM-2017 Odorization Manual (XQ1702).pdf
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1、 ODORIZATION MANUAL Prepared by Odorization Manual Revision Group (OMRG) Operations Section Revised April 2017 i Odorization Manual Revised April 2017 Copyright 2017 American Gas Association All Rights Reserved Prepared by ODORIZATION MANUAL REVISION GROUP (OMRG) Operations Section American Gas Asso
2、ciation 400 North Capitol Street, N.W., 4th Floor Washington, DC 20001 U.S.A. Catalog No. XQ1702 ii iii DISCLAIMER AND COPYRIGHTS The American Gas Associations (AGA) Operations and Engineering Section provides a forum for industry experts to bring their collective knowledge together to improve the s
3、tate of the art in the areas of operating, engineering and technological aspects of producing, gathering, transporting, storing, distributing, measuring and utilizing natural gas. Through its publications, of which this is one, AGA provides for the exchange of information within the natural gas indu
4、stry and scientific, trade and governmental organizations. Many AGA publications are prepared or sponsored by an AGA Operations and Engineering Section technical committee. While AGA may administer the process, neither AGA nor the technical committee independently tests, evaluates or verifies the ac
5、curacy of any information or the soundness of any judgments contained therein. AGA disclaims liability for any personal injury, property or other damages of any nature whatsoever, whether special, indirect, consequential or compensatory, directly or indirectly resulting from the publication, use of
6、or reliance on AGA publications. AGA makes no guaranty or warranty as to the accuracy and completeness of any information published therein. The information contained therein is provided on an “as is” basis and AGA makes no representations or warranties including any expressed or implied warranty of
7、 merchantability or fitness for a particular purpose. Nothing contained in this document should be viewed as an endorsement or disapproval of any particular manufacturer or product. In issuing and making this document available, AGA is not undertaking to render professional or other services for or
8、on behalf of any person or entity. Nor is AGA undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of rea
9、sonable care in any given circumstances. AGA has no power, nor does it undertake, to police or enforce compliance with the contents of this document. Nor does AGA list, certify, test or inspect products, designs or installations for compliance with this document. Any certification or other statement
10、 of compliance is solely the responsibility of the certifier or maker of the statement. AGA does not take any position with respect to the validity of any patent rights asserted in connection with any items that are mentioned in or are the subject of AGA publications, and AGA disclaims liability for
11、 the infringement of any patent resulting from the use of or reliance on its publications. Users of these publications are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Users of this
12、publication should consult applicable federal, state and local laws and regulations. AGA does not, through its publications, intend to urge action that is not in compliance with applicable laws, and its publications may not be construed as doing so. Information concerning safety and health risks, pr
13、oper installation or use, performance or fitness or suitability for any purpose with respect to particular products or materials should be obtained from the Users employer, the manufacturer or supplier of the raw material used. iv Changes to this document may become necessary from time to time. If c
14、hanges are believed appropriate by any person or entity, such suggested changes should be communicated to AGA in writing and sent to: Operations full name of the document; suggested revisions to the text of the document; the rationale for the suggested revisions; and permission to use the suggested
15、revisions in an amended publication of the document. Copyright 2017, American Gas Association, All Rights Reserved. v FOREWORD The use of odorant as the primary method of warning of gas leaks has been highly successful and has contributed significantly to making natural gas a safe fuel for the publi
16、c to use. The issues addressed here are intended to help individual operators to potentially improve an already valuable and reliable method of ensuring safety. This document is intended for consideration by operators and should be read in the context of all of the statutes, rules, regulations and t
17、ariffs that pertain to the highly regulated natural gas industry. Under no circumstances should this document be interpreted to be the standard of care to be followed by operators. In some instances, particularly concerning gathering, processing operations and farm tap systems, other rules, tariffs
18、and regulations apply. Many gas transmission and distribution companies have tariffs that are approved by state and federal regulatory authorities and that may vary their duties and responsibilities. Nothing in this document should be considered to vary or alter those tariff provisions. Please note
19、that each operator serves a unique and defined geographic area. System infrastructures vary based on many factors, such as pipeline materials and condition and operating practices. Each operator will need to evaluate the profiled practices in light of system variables. Not all practices in this docu
20、ment will be applicable to all operators due to the unique sets of characteristics of their specific systems. Each operator needs to evaluate actions in light of system variables. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a c
21、ompetent professional to determine the exercise of reasonable care in any given circumstance. vi vii ACKNOWLEDGEMENT The Odorization Manual was revised by a Task Group of the American Gas Association with members from gas distribution companies, research organizations and consulting firms. AGA great
22、ly appreciates the dedication to safety and generous knowledge sharing of the diverse aspects of gas odorization demonstrated by each of the contributors named below: Rosemarie Halchuk with Xcel Energy served as the chair of the Task Group, which was organized into teams by chapter. Chapter Team lea
23、ds coordinated the revision of chapters from the second edition and the development of new chapters for this revision, and AGA recognizes them below: Chapter 1 Winston Meyer CenterPoint Energy Chapter 2 Olivier Griperay Arkema, Inc. Chapter 3 Chester Wentz UGI Utilities, Inc. Chapter 3 and (2) Condu
24、cting periodic “sniff” tests at the extremities of the system to confirm that the gas contains odorant. 7 1.3.5 Transmission System Exemptions Combustible gas transmission systems in a Class 3 or Class 4 location must be odorized and must meet the detection requirements in 1.3.1 above unless exempti
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