Standard No.:	SY/T 4209-2024
English Name:	Code for quality acceptance of oil and gas construction engineeringGas processing plant construction engineering
Chinese Name:	石油天然气建设工程施工质量验收规范 天然气处理厂建设工程
Professional Classification:	SY    Professional Standard - Oil & Gas
Source Content Issued by:	Nation Energy Administration
Issued on:	2024-09-24
Implemented on:	2025-3-24
Status:	valid
Superseding:	SY/T 4209-2016 Code for quality acceptance of Oil and gas construction engineering natural gas conditioning plant
Target Language:	English
File Format:	PDF
Word Count:	174000 words
Translation Price(USD):	5220.0
Delivery:	via email in 1~10 business day

SY/T 4209-2024 Code for quality acceptance of oil and gas construction engineeringGas processing plant construction engineering English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS E Professional standard of the People's Republic of China SY/T 4209-2024 Replaces SY/T 4209-2016 Code for quality acceptance of oil and gas construction engineering - Gas processing plant construction engineering 石油天然气建设工程施工质量验收规范 天然气处理厂建设工程 (English Translation) Issue date: 2024-09-24 Implementation date: 2025-03-24 Issued by National Development and Reform Commission, P.R.C Contents 1 General provisions 2Terms 3 Basic requirement 4 Equipment material inspection 4.1 General requirement 4.2 Acceptance of piping components 4.3Inspection and acceptance of dynamic equipment . 4.4Inspection and acceptance of static equipment 4.5 Inspection and acceptance of skid mounted equipment 4.6 Inspection and acceptance of chimney 4.7 Inspection and acceptance of other materials 5 Prefabrication and installation of process pipelines 5.1 General requirement. 5.2Examination of pipe work components and materials 5.3Piping prefabricate 5.4Steel piping installation 5.5Installation for piping of coupling equipment 5.6Installation of stainless steel piping and non-ferrous piping 5.7Installation of heating piping 5.8Valve installation 5.9Expansion joint installation 5.10 Installation of piping support and hanger 5.11 Jacket pipeline machining and installation 5.12Installation of static electricity grounding 6 Bimetal composite pipeline 6.1 General requirement 6.2 Assembly of bimetallic composite pipelines 6.3 Welding of bimetallic composite pipelines 7 Pipeline welding 7.1 General requirement 7.2 Pipe orifice assembly 7.3 Welding 8 Pipeline weld inspection 8.1 General requirement 8.2 Weld quality inspection 9 Equipment installation 9.1 General requirement 9.2 Installation of heat exchange equipment 9.3Cold box installation 9.4Expansion machine installation 9.5Installation of sulfur forming machine 9.6Sulfur conveyer installation 9.7 Cooling tower installation. 9.8 Industrial furnace and reactor installation 9.9 Installation of liquid loading and unloading arm 10 Purging cleaning and pressure testing of equipmentand process pipeline systems 10.1 General requirement 10.2 Master control items 10.3 General items 11 Vertical cylindrical low-temperature storage tank 1 General Provisions 1.0.1 This specification is formulated to strengthen the quality management of petroleum and natural gas construction projects, unify the construction quality acceptance standards for natural gas processing plants, and ensure project quality. 1.0.2 This specification applies to the construction quality acceptance of new construction, renovation, and expansion projects of natural gas processing plants. 1.0.3 This specification shall be used in conjunction with the current national standard "Unified Standard for Construction Quality Acceptance of Petroleum and Natural Gas Projects" GB/T 51317. 1.0.4 The construction quality requirements specified in the technical documents and contract documents adopted for natural gas processing plant construction projects shall not be lower than the provisions of this specification. 1.0.5 In addition to complying with this specification, the construction quality acceptance of natural gas processing plant projects shall also comply with the current relevant national standards. 2 Terms 2.0.1 gas processing plant A facility that processes natural gas by removing dust (including sand removal), water, sulfur, carbon dioxide, oil, mercury, and chloride ions, treating acid gas, and extracting ethane and helium gas through corresponding process technologies, producing products such as liquefied petroleum gas (LPG), stabilized light hydrocarbons, and LNG. 2.0.2 frame A stable spatial steel structure, made of components, parts, and members fabricated from plates or profiles, assembled by welding or bolted connections, used to support equipment or serve as an operating platform for equipment. 2.0.3 pipe rack A stable spatial steel structure, made of components, parts, and members fabricated from plates or profiles, assembled by welding or bolted connections, used to support pipelines. 2.0.4 acute toxicity Adverse effects occurring following oral or dermal administration of a single dose of a substance or multiple doses given within 24 hours, or a 4-hour inhalation exposure. 3 Basic Requirements 3.0.1 Construction units undertaking natural gas processing plant construction projects shall possess the corresponding construction qualification level for the project content they undertake and the corresponding special equipment installation license qualification. 3.0.2 Personnel engaged in engineering quality acceptance shall possess the corresponding professional technical qualifications. 3.0.3 Special operation personnel and special equipment operators engaged in natural gas processing plant construction projects shall perform corresponding work within the validity period specified in their qualification certificate items. 3.0.4 Construction units engaged in special equipment installation shall provide written notification to the special equipment safety supervision and administration department before construction, and shall accept supervision and inspection by the special equipment inspection and testing institution. 3.0.5 A quality management system and construction technical standards shall be in place at the construction site, along with approved documents such as construction organization design, construction plans, and construction quality inspection plans. 3.0.6 Construction quality acceptance shall comply with design document requirements. When design documents have no provisions, it shall comply with the provisions of this specification. 3.0.7 For equipment and pipeline components where the volume content of hydrogen sulfide in the contacted natural gas is greater than or equal to 5%, the construction quality acceptance of process pipelines and instrumentation pipelines shall comply with design document requirements and the relevant provisions of the current national standard "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Gathering and Transferring Station Engineering for High Hydrogen Sulfide Gas Field" SY/T 4212. 3.0.8 In addition to complying with the relevant provisions of this specification, the quality acceptance of rotating and static equipment installation shall also comply with the relevant provisions of the current national standards "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Equipment Installation Engineering Part 1: Pumps and Compressors" SY/T 4201.1, "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Equipment Installation Engineering Part 2: Towers" SY/T 4201.2, "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Equipment Installation Engineering Part 3: Vessels" SY/T 4201.3, and "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Equipment Installation Engineering Part 4: Furnaces and Heaters" SY/T 4201.4. 3.0.9 The construction quality acceptance of field-assembled welded steel spherical storage tanks and vertical cylindrical steel welded storage tanks shall comply with the relevant provisions of the current national standard "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Tank Engineering" SY/T 4202. The construction quality acceptance of vertical cylindrical low-temperature storage tanks shall also comply with the relevant provisions of the current national standard "Code for Construction Quality Acceptance of Petrochemical Vertical Cylindrical Low-Temperature Storage Tank Construction" SH/T 3560. 3.0.10 In addition to complying with the provisions of this specification, the construction quality acceptance of industrial metal pipelines shall also comply with design documents and the relevant provisions of the current national standard "Code for Construction Quality Acceptance of Industrial Metal Piping Engineering" GB 50184. 3.0.11 The installation of air coolers and heat exchangers shall comply with the relevant provisions of the current national standard "Code for Acceptance of Construction Quality of Petrochemical Static Equipment Installation Engineering" GB 50461. The installation of cold boxes shall comply with the relevant provisions of the current national standard "Code for Construction and Acceptance of Refrigerating Equipment and Air Separation Equipment Installation Engineering" GB 50274. 3.0.12 The construction quality acceptance of non-metallic pipeline projects shall comply with the relevant provisions of the current national standard "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Oil and Gas Field Non-Metallic Pipeline Engineering" SY/T 4214. 3.0.13 The construction quality acceptance of steel structure engineering shall comply with the relevant provisions of the current national standard "Standard for Construction Quality Acceptance of Steel Structure Engineering" GB 50205. 3.0.14 The installation construction and acceptance of thermal oil furnaces, etc., shall comply with the relevant provisions of the current national standard "Standard for Construction and Acceptance of Boiler Installation Engineering" GB 50273. 3.0.15 The construction quality acceptance of power supply overhead lines and electrical installation engineering shall comply with the relevant provisions of the current national standard "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Electrical Engineering" SY/T 4206. The quality acceptance of photovoltaic power generation engineering shall comply with the relevant provisions of the current national standard "Code for Acceptance of Photovoltaic Power Station Engineering" GB/T 50796. The construction quality acceptance of building electrical engineering shall comply with the relevant provisions of the current national standard "Code for Acceptance of Building Electrical Construction Engineering Quality" GB 50303. 3.0.16 The construction quality acceptance of** The construction quality acceptance of automation instrumentation engineering shall comply with automation instrumentation engineering shall comply with the relevant provisions of the relevant provisions of the current national standard "Code for Construction Quality Acceptance of Oil and Gas the current national standard "Code for Construction Quality Acceptance of Oil and Gas Construction Engineering — Automation Instrumentation Engineering" SY/T 4205. Construction Engineering — Automation Instrumentation Engineering" SY/T 4205.