DL/T 5231-2010 Specification for construction and acceptance of earthing pole in ±800kV & under DC transmission

DL/T 5232-2019

DL/T 5232-2010 Specification for construction and acceptance of electric equipments in ±800kV & under converter station GB 11033 GB 50150-2016 Electric equipment installation engineering - standard for hand-over test of electric equipment GB 50168-2018 Standard for construction and acceptance of cable line electric equipment installation engineering GB 50169-2016 Code for construction and acceptance of grounding connection electric equipment installation engineering GB 50173-2014 Code for construction and acceptance of 66kV and under overhead electric power transmission line GB/T 5020-2002 Insulating materials based on mica—Definitions and general requirements GB 50233-2014 Code for construction and acceptance of 110kV～750kV overhead transmission line GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 8923.2-2008 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 2:Preparation grades of previously coated steelsubstrates after localized removal of previous coatings GB/T 8923.3-2009 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 3:Preparation grades of welds,edges and other areas with surface imperfections GB/T 8923.4-2013 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 4:Initial surface conditions,preparation grades and flash rust grades in connection with high-pressure water jetting GB/T 985-1988 Basic forms and sizes of weld grooves for gas welding manual arc welding and gas-Shielded arc welding GB/T 985.1-2008 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding GB/T 985.2-2008 Recommended joint preparation for submerged arc welding GB/T 985.3-2008 Recommended joint preparation for gas-shield arc welding on aluminium and its alloys GB/T 985.4-2008 Recommended joint preparation for welding on clad steels GB/T 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds GB/T 11345-2013 Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment GB/T 11345-2023 Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels and assessment GBJ 148 JB/T 8144.1-1995 The basic technical requirements for power cable accessories rated at 26/35kV and below: General rules JB/T 8144.2-1995 Rated voltage of 26/35kV and below cable accessories basic technical requirements: Cable terminal joint JB/T 8144.3-1995 Basic technical requirements for electrical cable accessories rated at 26/35kV and below, including cable joints JGJ 81-2002 Technical specification for Welding of steel structure of building