1、Repairing Hazardous Liquid PipelinesAPI RECOMMENDED PRACTICE 2200 FIFTH EDITION,SEPTEMBER 2015 Special 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 o
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16、uld be submitted to the Standards Department,API,1220 L Street,NW,Washington,DC 20005,standardsapi.org.iii ContentsPage1Scope.12Normative References.13Acronyms and Abbreviations.14Preliminary Knowledge.24.1Personnel.24.2Safety Procedures .25Pre-departure Practices.25.1General.25.2Preplan Procedures .26Site Hazard Assessment .36.1General.36.2Site Hazard Assessment Procedures.36.3Leak Site Area Assessment Procedures.47Excavation.57.1General.57.2OSHA Construction Standard Checklist .58Repair Practi
