排水管道維護和檢修
排水管(guan)(guan)道(dao)常見的故(gu)障(zhang)有:污物淤積(ji)或堵(du)塞管(guan)(guan)道(dao),過重負荷壓(ya)毀管(guan)(guan)道(dao),地基不均勻(yun)沉陷和(he)污水的侵(qin)蝕作用(yong)使管(guan)(guan)道(dao)破壞等(deng)。為此,管(guan)(guan)道(dao)要經(jing)常進行檢(jian)查(cha)(cha)(cha)、沖(chong)洗和(he)清通工(gong)作。排水管(guan)(guan)道(dao)的維修(xiu)工(gong)作主要內(nei)容如下。1.維護和(he)檢(jian)查(cha)(cha)(cha) ①.定期沿(yan)管(guan)(guan)線檢(jian)查(cha)(cha)(cha)各檢(jian)查(cha)(cha)(cha)井,雨水口是否(fou)暢通,其四周是否(fou)堆積(ji)...