The thesis introduces municipal water supply pipeline alteration causes and determination methods,describes pipeline alteration pro-grams,mainly studies the specific pipeline alteration procedures,and describes pavement recovery and acceptance examination matters,with a view to guarantee water supply efficiency and safety.%介绍了市政给水管线更换的原由及确定方法，阐述了管道更换需办理的手续，主要对更换管线的具体流程进行了研究，并说明了路面恢复及验收事项，以保障供水的效率和安全。
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