1、Recommended Practice for Railroad Transportation of Line PipeAPI RECOMMENDED PRACTICE 5L1SEVENTH EDITION,SEPTEMBER 2009REAFFIRMED,MAY 2015 Recommended Practice for Railroad Transportation of Line PipeUpstream SegmentAPI RECOMMENDED PRACTICE 5L1SEVENTH EDITION,SEPTEMBER 2009REAFFIRMED,MAY 2015 Specia
2、l NotesAPI publications necessarily address problems of a general nature.With respect to particular circumstances,local,state,and federal laws and regulations should be reviewed.Neither API nor any of APIs employees,subcontractors,consultants,committees,or other assignees make any warranty or repres
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4、oyees,subcontractors,consultants,or other assignees represent that use of this publication would not infringe upon privately owned rights.Classified areas may vary depending on the location,conditions,equipment,and substances involved in any given situation.Users of this recommended practice should
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11、on,DC 20005.Copyright 2009 American Petroleum Institute ForewordNothing contained in any API publication is to be construed as granting any right,by implication or otherwise,for the manufacture,sale,or use of any method,apparatus,or product covered by letters patent.Neither should anything contained
12、 in the publication be construed as insuring anyone against liability for infringement of letters patent.Shall:As used in a standard,“shall”denotes a minimum requirement in order to conform to the specification.Should:As used in a standard,“should”denotes a recommendation or that which is advised bu
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14、his publication or comments and questions concerning the procedures under which this publication was developed should be directed in writing to the Director of Standards,American Petroleum Institute,1220 L Street,NW,Washington,DC 20005.Requests for permission to reproduce or translate all or any par
15、t of the material published herein should also be addressed to the director.Generally,API standards are reviewed and revised,reaffirmed,or withdrawn at least every five years.A one-time extension of up to two years may be added to this review cycle.Status of the publication can be ascertained from t
16、he API Standards Department,telephone(202)682-8000.A catalog of API publications and materials is published annually by API,1220 L Street,NW,Washington,DC 20005.Suggested revisions are invited and should be submitted to the Standards Department,API,1220 L Street,NW,Washington,DC 20005,standardsapi.org.iii ContentsPage1Scope.11.1 General.11.2 Basic Rules and Requirements.12References.13Acronyms,Abbreviations,and Symbols.14General Requirements(for All Pipe Sizes 2 3/8 and Larger).24.1 Railcar Cond
