Cathodi c Protecti on Pr ocedur e Page1 1.0 SCOPE This sp ecific ation sh all gove rn the des ign, mater ials pro cureme nt, insta llation an d inspe ct io n re qu ir emen ts of Ca th odic pro te ct ion sy st em f or th e stee l pi pe us ed as ons ho re pipelines. The Work includes thefurnishing all labor, materia ls, tools and equipment and the performance of all operations, and incidentals necessary for the design and installation of the system. As used in this specification, the following definitions shall apply : COMPANY - UNOCAL INDONESIA COMPANY CONTRACTOR - PT. ASRI UTAMA TECHNICAL SERVICES Cathodic Protection System Designer/InstallerCONTRACTOR shall obtain COMPANY written approval for any deviatio ns from the requirements of this specification, applicable standards and referenced drawings. Thi s do cumen t is not in te nd ed to be al l in cl usiv e, an d th e us e of th e guid el in es set fo rt h does not relieve the CONTRACTOR of his respon sibility to complete the WORK. 2.0 CODES AND STANDARD The latest issue of the following Codes and Standards referenced shall be applicable : 2.1 Nati onal Ass oc iatio n of Co rr os ion Eng ineer s ( NACE). RP 0169-83 Control of External Corrosion on Underground or Submerged Metallic Piping Systems RP 0572-85 Design, Installation, Operation And Maintenance Of Impressed Current Deep Ground beds. 2.2 Na ti on al El ectr ic al Co de (NEC) 3.0 DESIGN OF CATHODIC PROTECTION SYSTEM 3.1 Introduction The Cathodic Protection Sy stem shall be impressed curr ent syste m with deep ground bed anode. The CONTRACTOR shall ca rry ou t a corr osion si te surv ey and desig n a Cathodi c protection sy stem to protec t the onshore pipe line.
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This specification shall govern the design, materials procurement, installation and
inspection requirements of Cathodic protection system for the steel pipe used as onshore
pipelines. The Work includes the furnishing all labor, materials, tools and equipment
and the performance of all operations, and incidentals necessary for the design and
installation of the system.
As used in this specification, the following definitions shall apply :
COMPANY - UNOCAL INDONESIA COMPANY
CONTRACTOR - PT. ASRI UTAMA TECHNICAL SERVICES
Cathodic Protection System Designer/Installer
CONTRACTOR shall obtain COMPANY written approval for any deviations fromthe requirements of this specification, applicable standards and referenced drawings.
This document is not intended to be all inclusive, and the use of the guidelines set forth
does not relieve the CONTRACTOR of his responsibility to complete the WORK.