長春檢查井需要(yao)做哪些檢(jian)查(cha)(cha),檢(jian)查(cha)(cha)井座與管(guan)(guan)道連(lian)(lian)接的機(ji)械設備。首(shou)先,機(ji)械設備應從接戶管(guan)(guan)的上下(xia)游部分分步,并(bing)使用井-管(guan)(guan)-井-管(guan)(guan)的第二機(ji)械設備。疾病(bing)慢(man)慢(man)向下(xia)支管(guan)(guan),干管(guan)(guan)拓寬,污水檢(jian)查(cha)(cha)井座連(lian)(lian)接頭與管(guan)(guan)道連(lian)(lian)接工(gong)程(cheng)施工(gong)方(fang)式,應與同類(lei)連(lian)(lian)接頭的管(guan)(guan)道連(lian)(lian)接工(gong)程(cheng)施工(gong)方(fang)式一起(qi)進行。
污水檢查井座與匯入管(guan)(guan)(guan)的連(lian)接要求變徑。采(cai)用(yong)異(yi)徑連(lian)接器時,當(dang)匯入管(guan)(guan)(guan)低(di)于井座插口管(guan)(guan)(guan)時,管(guan)(guan)(guan)頂(ding)應(ying)平整(zheng)連(lian)接;當(dang)井座排(pai)出的管(guan)(guan)(guan)插口超過廉價管(guan)(guan)(guan)道時,管(guan)(guan)(guan)外底(di)應(ying)平整(zheng)連(lian)接, 當(dang)管(guan)(guan)(guan)道采(cai)用(yong)可變角連(lian)接頭或球形連(lian)接頭調節傾斜度時,應(ying)采(cai)用(yong)工(gong)具(ju),不得使用(yong)鏈條扳手,對于有附加接頭的設備。
應(ying)根據鉆孔(kong)標準和連接管直徑選擇專(zhuan)用工(gong)具(ju)在鉆孔(kong)壁上開孔(kong)。孔(kong)的圓周邊(bian)緣應(ying)光(guang)滑,設(she)備的附加接頭不得反(fan)轉。 當地下水位高或(huo)旱季施(shi)工(gong)時,當管道(包括檢查井)設(she)備完成但未進行灌溉試驗時,應(ying)采取技術(shu)措施(shi),防(fang)止(zhi)井體上浮。
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