1、Safe Hot Tapping Practices in thePetroleum and PetrochemicalIndustriesAPI RECOMMENDED PRACTICE 2201 FIFTH EDITION,JULY 2003REAFFIRMED,MARCH 2020Safe Hot Tapping Practices in thePetroleum and PetrochemicalIndustriesDownstream SegmentAPI RECOMMENDED PRACTICE 2201 FIFTH EDITION,JULY 2003 REAFFIRMED,MAR
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13、.Copyright 2003 American Petroleum Institute FOREWORD This publication is designed to provide a better understanding of the problems and haz-ards encountered when installing hot tap connections on piping,vessels or tanks containingflammable or combustible liquids or gases.The essential elements of t
14、his publication arebased on accumulated knowledge and experience of the petroleum industry,current industrysafe operating practices,and existing consensus standards.The practices described in thispublication are designed to protect the safety of personnel and the facilities for the workinvolved.It s
15、hall be noted,however,that special problems beyond the scope of this publica-tion are possible.Also,federal,state and local regulations or laws may contain additionalrequirements that must be taken into account when a hot tap program is developed for a spe-cific facility.API publications may be used
16、 by anyone desiring to do so.Every effort has been made bythe Institute to assure the accuracy and reliability of the data contained in them;however,theInstitute makes no representation,warranty,or guarantee in connection with this publicationand hereby expressly disclaims any liability or responsibility for loss or damage resultingfrom its use or for the violation of any federal,state,or municipal regulation with which thispublication may conflict.Suggested revisions are invited and should be s