長春檢查井需(xu)要(yao)做哪些檢(jian)查(cha),檢(jian)查(cha)井(jing)座(zuo)與管道(dao)(dao)連(lian)(lian)(lian)接(jie)(jie)的機械(xie)設備(bei)。首先,機械(xie)設備(bei)應從接(jie)(jie)戶管的上下(xia)游部分分步,并使用(yong)井(jing)-管-井(jing)-管的第(di)二機械(xie)設備(bei)。疾病慢慢向下(xia)支管,干(gan)管拓寬,污水檢(jian)查(cha)井(jing)座(zuo)連(lian)(lian)(lian)接(jie)(jie)頭(tou)(tou)與管道(dao)(dao)連(lian)(lian)(lian)接(jie)(jie)工(gong)程施工(gong)方式,應與同類連(lian)(lian)(lian)接(jie)(jie)頭(tou)(tou)的管道(dao)(dao)連(lian)(lian)(lian)接(jie)(jie)工(gong)程施工(gong)方式一起(qi)進行。
污水(shui)檢查井(jing)座(zuo)與匯入管(guan)(guan)的(de)連(lian)(lian)接(jie)(jie)要(yao)求變徑。采用(yong)(yong)異徑連(lian)(lian)接(jie)(jie)器(qi)時(shi),當(dang)匯入管(guan)(guan)低于井(jing)座(zuo)插口管(guan)(guan)時(shi),管(guan)(guan)頂應(ying)平(ping)整(zheng)連(lian)(lian)接(jie)(jie);當(dang)井(jing)座(zuo)排出的(de)管(guan)(guan)插口超過廉價管(guan)(guan)道時(shi),管(guan)(guan)外底(di)應(ying)平(ping)整(zheng)連(lian)(lian)接(jie)(jie), 當(dang)管(guan)(guan)道采用(yong)(yong)可(ke)變角連(lian)(lian)接(jie)(jie)頭(tou)或球形連(lian)(lian)接(jie)(jie)頭(tou)調節傾斜度時(shi),應(ying)采用(yong)(yong)工具(ju),不得使(shi)用(yong)(yong)鏈條扳手(shou),對于有附(fu)加接(jie)(jie)頭(tou)的(de)設備。
應根據鉆孔標準(zhun)和(he)連(lian)接管直徑選擇(ze)專用工(gong)(gong)具在鉆孔壁(bi)上開孔。孔的圓周邊緣應光(guang)滑,設備的附加接頭(tou)不(bu)得反轉。 當地下水位高(gao)或旱季施工(gong)(gong)時(shi),當管道(包括檢(jian)查井)設備完成但(dan)未進行灌溉試(shi)驗時(shi),應采取技術措施,防止井體上浮。
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