This code specifies the division, content and quality acceptance procedure and standard of the unit project, subsection project and subitem project of oil-gas field gathering and transportation pipeline engineering for oil and gas construction engineering, the site quality control and quality control method of oil-gas field gathering and transportation pipeline engineering, as well as the sampling scheme for the quality inspection of inspection lot.
This code is applicable to the quality acceptance of oil-gas field gathering and transportation pipeline engineering except large and medium crossing and aerial crossing engineering as well as valve room process pipeline erection engineering.
Foreword I 1 Scope 1 2 Normative References 1 3 Terms and Definitions 1 4 General Provisions 2 5 Basic Requirements 2 6 Division of the Unit Project, Subsection Project And Subitem Project Of Oil-Gas Field Gathering and Transportation Pipeline 3 7 Pipeline Prefabricating 4 8 Pipe Ditch Excavation 5 9 Pipeline Assembling 6 10 Pipeline Welding 7 11 Repaired Mouth and Defect of Pipeline Anticorrosive Coating 9 12 Pipeline Insulation 10 13 Pipeline Ditching and Backfilling 11 14 Pipeline Purging and Pressure Test 12 15 Gas pipeline Drying 14 16 Minitype Crossing Engineering 15 17 Minitype Aerial Crossing Engineering 15 18 Sacrificial Anode Cathodic Protection Engineering 16 19 Impressed Current Cathodic Protection Engineering 17 20 Line Block Valve Chamber 18 21 Mileage Stake, Corner Stake and Testing Stake 19 22 Line Protection Structure Engineering 20 23 Engineering Delivery and Acceptance 21 Appendix A (Normative) Quality Acceptance Record of Inspection Lot 22 Appendix B (Normative) Quality Control Data Verification Record Sheet of Oil-Gas Field Gathering and Transportation Engineering 42 Appendix C (Normative) Instruments for Project Quality Inspection 44
