Pipelaying Tender-VOL II - WorleyParsons.com

EPMC SERVICES FOR REWARI – KANPUR PIPELINESPECIFICATION FOR WELDING ON ONSHORE PIPELINE20. INSPECTION AND TESTINGThe CONTRACTOR shall provide all weld inspection.Each weld shall be cleaned by a power brush to remove all slag, spatter, etc. before inspection.All welds shall be inspected 100 per cent by visual examination.In addition, all butt welds shall be inspected 100 per cent by radiographic inspection.All Non-destructive Testing (NDT) procedures shall be submitted for OWNER approval and shall bequalified individually on the welding procedure qualification tests, or when agreed to by theOWNER, on a production weld.Where geometry of the welds does not allow radiographic testing, ultrasonic testing or otherapproved non-destructive testing methods may be used. Such instances shall be approved by theOWNER.The NDT operators shall be qualified to ASNT-SNT-TC-IA Level II and sections 8.3 and 8.4 of API1104. The work shall be supervised by a Level II or Level III engineer.The NDT operators shall have current certification for the work undertaken and their qualificationcertificates shall be subject to approval by the OWNER.n:\513-mh-2145-rkpl\11 engineering\11.8 pipelines\06 spec\specification for welding on onshorepipeline\mh2145-c000-pl-spc-0020.docMH2145-C000-PL-SPC-0020 RevA Page 31 of 42