本标准适用于电力设施人员、承包商、检查员以及对输电、配电和变电站钢结构的地上部分的腐蚀影响感兴趣的人员。它提供了以下要求:（1）帮助公用事业公司识别可能存在高风险的等级以上腐蚀的结构；（2） 检查选定的结构；（3） 根据腐蚀退化对结构状况进行分类；（4） 根据这些调查结果，优先考虑需要额外检查的结构；（5）根据需要帮助确定下一步的步骤。本标准仅适用于钢制输电塔、电杆、配电杆和变电站结构的检查和评估，包括镀锌和涂漆的低碳钢结构，以及其他类似结构。

This standard is intended for use by electric utility personnel, contractors, inspectors, and those interested in the impact of corrosion on the above-grade sections of transmission, distribution, and substation steel structures. It provides requirements to:(1) help utilities identify structures that may be at a high risk for above-grade corrosion;(2) inspect the selected structures;(3) categorize the condition of structures based on corrosion degradation;(4) prioritize structures requiring additional inspection based on those findings; and(5) help identify next steps as required.This standard is limited to the inspection and assessment of steel transmission towers, poles, distribution poles, and substation structures, including galvanized and painted mild steel structures, as well as other similar structures.