柔性防水套管排水管(guan)為排除(chu)沖(chong)洗清水(shui)池(chi)(chi)的廢(fei)水(shui)及泄放底部存水(shui)，都要求設置(zhi)(zhi)(zhi)專用(yong)(yong)(yong)的排水(shui)管(guan)(guan)(guan)道。大中型清水(shui)池(chi)(chi)一般不(bu)再設置(zhi)(zhi)(zhi)專用(yong)(yong)(yong)排水(shui)管(guan)(guan)(guan)，而(er)設置(zhi)(zhi)(zhi)備(bei)用(yong)(yong)(yong)潛(qian)水(shui)泵(beng)，在(zai)需用(yong)(yong)(yong)時(shi)臨時(shi)裝設，從清水(shui)池(chi)(chi)集水(shui)坑中提升(sheng)排泄。只有在(zai)排水(shui)系統簡單而(er)且管(guan)(guan)(guan)徑不(bu)大的情況下，才設置(zhi)(zhi)(zhi)固定的專用(yong)(yong)(yong)排水(shui)管(guan)(guan)(guan)