本标准规定了220kV及110kV架空送电线路工程勘测的基本技术要求。本标准适用于新建、改建220kV及110kV架空送电线路岩土工程、测量和工程水文勘测。对110kV以下电压等级的架空送电线路工程的勘测工作，可根据具体情况参照本标准的相关要求执行。
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