This standard specifies the requirements for materials and parts, production and assembly, welding, trial assembly, anti-corrosion, inspection, packaging, marking, storage and transportation during the processing of steel pipe towers for transmission lines. This standard applies to the processing and inspection of steel pipe towers for transmission lines in the manufacturer's factory.
T/CEC 137-2017 history
2017T/CEC 137-2017 Technical specification for the processing of steel pipe towers for transmission lines