1、Cathodic Protection of Underground Petroleum Storage Tanks and Piping SystemsAPI RECOMMENDED PRACTICE 1632THIRD EDITION,MAY 1996REAFFIRMED,DECEMBER 2010 Cathodic Protection of Underground Petroleum Storage Tanks and Piping SystemsManufacturing,Distribution and Marketing DepartmentAPI RECOMMENDED PRA
2、CTICE 1632THIRD EDITION,MAY 1996REAFFIRMED,DECEMBER 2010 SPECIAL NOTES API publications necessarily address problems of a general nature.With respect to par-ticular circumstances,local,state,and federal laws and regulations should be reviewed.API is not undertaking to meet the duties of employers,ma
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11、sulting from its use or for the violation of any federal,state,or municipal regulationwith which this publication may conict.API standards are published to facilitate the broad availability of proven,sound engi-neering and operating practices.These standards are not intended to obviate the need fora
12、pplying sound engineering judgment regarding when and where these standards shouldbe utilized.The formulation and publication of API standards is not intended in any way toinhibit anyone from using any other practices.Any manufacturer marking equipment or materials in conformance with the markingreq
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15、is recommended practice describes the corrosion problems characteristic in under-ground steel storage tanks and piping systems and provides a general description of thetwo methods currently used to provide cathodic protection against corrosion.Persons planning to construct an underground storage fac
16、ility,replace existing under-ground storage tanks and piping systems,or cathodically protect existing undergroundstorage tanks and piping should refer to applicable local,state,and federal re,safety,andenvironmental regulations as well as the following publications:a.API RP 1615.b.API RP 1621.c.NACE RP-01-69.d.NACE RP-02-85.e.NFPA 30.f.NFPA 70.g.PEI RP100-87.At the time this recommended practice was written,legislation and regulations relatedto the design,installation,operation,and maintenance o
