Technical specifications and requirements for double-layer composite piping at gas stations

I. Technical specifications and regulations for gas station pipeline systems in compliance with:

1. "Environmental Protection Law of the People's Republic of China

2. "Design and Construction Specifications for Automobile Fueling and Refueling Stations" GB50156-2012

3. "General Rules for the Prevention of Electrostatic Accidents" (GB 12158-2006)

4. "Determination of Tensile Properties of Thermoplastic Pipes" (GB/T 8804.3-2003)

5. "Thermoplastic composite plastic pipes - Determination of tensile properties - Part 3: Polyolefin pipes" (ISO 62593)

6. "Thermoplastic composite plastic pipes for fluid transfer - Dimensions and deviations" (ISO 11922-1)

7. "Plastic piping and ducting systems - Plastic pipes and fittings - Method of direct (natural) weathering" (EN ISO 16871-2003)

8. "Thermoplastic pipes and flexible metal pipes for buried installations in petrol stations" (EN 14125-2013)

9. "Oil and Gas Recovery Test Procedure - Determination of Bending Radius of Oil and Gas Recovery Piping for Buried Tanks" (TP-201.2G)

10. "UL Safety Standard. Underground non-metallic piping for flammable liquids" (UL971)

11. "Seepage, leak detection system" (GB/T30040 and EN 13160)

12. "Electrostatics. Implementation procedures for avoiding hazards caused by static electricity (CLC/TR 50404)

13. "Non-electrical equipment in potentially explosive atmospheres - Part I: Basic methods and requirements" (EN 13463-1)

14. "General Wall Thickness Table for Thermoplastic Pipes" (GB/T 10798-2001)

15. "Petroleum Institute Regulations on the Performance of Buried Pipelines at Gas Stations" (IP2)

16. Test Methods for Volume and Surface Coefficients of Resistance of Solid Electrical Insulating Materials (IEC 60093)

17. "Assembled Joints between Polyethylene (PE) Pressure Pipes and Fittings - Internal Pressure Seal Test" (ISO 3458)

18. "User Directive 1999/92/EC European Ex Safety Guide" (ATEX 137)

19. "General Rules for Industrial Product Instructions for Use" GB/T 9969-2008

20. "Steel pipeline external corrosion control specification" GB / T21447-2008

21 "petrochemical equipment and pipeline coating anti-corrosion technical specifications" SH 3022

22 "Pressure equipment nondestructive testing" JB/T4730.1 ~ JB/T4730.6

23. "Construction Quality Acceptance Specification for Water Supply and Drainage and Heating Works of Buildings" GB50242

24. "Construction and Acceptance Specification for Piping Works for Toxic and Combustible Media in Petrochemical Industry" SH3501-2011

25. Code of Construction and Acceptance for Automatic Sprinkler Systems GB50261-2005

26. "Emission Standards for Air Pollutants from Gas Stations" GB 20952-2007

27. Specification for the Construction of Industrial Equipment and Pipeline Insulation Works GB50264