郑州市城市供水旧管网的老化、新旧管网的连接,尤其是房地产的分期分批开发、户改拆迁、个别水表的新装销户(使考核表后的观察范围不断地发生变化)、水表的到期周检等诸多因素影响着DMA漏损控制工作。为使漏损控制单元化、抄表区域精确化、考核表监控实时化、听漏修漏及时化、降低漏失有效化、控制漏损长效化,2013年我司营业处以DMA为二级计量漏控单元,精心部署,有条不紊地开展了漏控 Aging of old urban water supply network in Zhengzhou city, connection of new and old pipe network, especially real estate development in batches, households reform, demolition and relocation of new households, new loading and unloading households of individual water meters (changing the scope of observation after the assessment table), and water meters Many factors such as the maturity check and so on affect the DMA leakage control work. In order to make the leakage control unit, accurate meter reading area, real-time monitoring of the assessment table, timely leak detection, effective leakage reduction, and long-term leakage control, our business office used DMA as the secondary measurement in 2013. Leakage control unit, carefully deployed, systematically conducted leak control