GB/T 37580-2019 Requirements for buried polyethylene(PE) gas pipeline corrosion control engineering life cycle

GB/T 33314-2016 Corrosion control engineering life cycle—General requirements GB 15558.1-1995 Buried polyethylene (PE) pipes for the supply of gaseous fuels GB 15558.1-2003 Buried Polyethylene(PE)piping systems for the supply of gaseous fuels—Part 1:Pipes GB/T 15558.1-2015 Buried polyethylene(PE)piping systems for the supply of gaseous fuels—Part 1:Pipes GB/T 15558.1-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 1:General GB 15558.2-1995 Buried polyethylene (PE) fittings for the supply of gaseous fuels GB/T 15558.2-2005 Buried polyethylene (PE) piping systems for the supply of gaseous fuels—Part 2:Fittings GB/T 15558.2-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 2:Pipes GB/T 15558.3-2008 Buried polyethylene(PE)piping systems for the supply of gaseous fuels—Part 3:Valves GB/T 15558.3-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 3:Fittings GB/T 26255.1-2010 Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels—Part 1:Metal fittings for pipes of nominal outside diameter less than or equal to 63 mm GB/T 26255.2-2010 Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels—Part 2:Metal fittings for pipes of nominal outside diameter greater than 63 mm GB/T 29639-2013 Guidelines for enterprises to develop emergency response plan for work place accidents GB/T 29639-2020 Guidelines for enterprises to develop emergency response plan for work place accidents CJJ 63-2018 Technical standard for polyethylene(PE) gaseous fuel pipeline engineering TSG D2002-2006 Regulation on Welding Technology for Gas Supply Polyethylene Pipe