近年来 ,我市水利事业得到了迅速发展 ,提高了排洪能力 ,对保证工农业及人民生活用水 ,改善首都水环境 ,都起到了相当大的作用。但由于各种因素的影响 ,长期以来重建轻管十分严重 ,以致造成水工建筑物资料不全 ,建筑物老化得不到有效控制 ,排洪河道受到任意侵占 ,向河道内倾倒? In recent years, the city’s water conservancy has witnessed rapid development, improved flood discharge capacity, and played a significant role in ensuring water for domestic, agricultural and people’s livelihoods and improving the water environment in the capital. However, due to various factors, it has been very serious to rebuild the light pipe for a long period of time, resulting in incomplete data of hydraulic structures and ineffective control of the aging of buildings. Discharge channels are arbitrarily occupied and dumped into rivers.