SY 4204-2007 in English

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