長春檢查井地基與基礎施工(gong)建議井(jing)底座(zuo)的(de)磚、石等應清除,成品雨水檢查井(jing),沿(yan)管道(dao)方向及沿(yan)管道(dao)垂(chui)直方向不小(xiao)于檢查井(jing)直徑400mm的(de)基礎尺寸用中粗砂鋪(pu)墊、攤(tan)平、夯(hang)實,當(dang)井(jing)底座(zuo)被水浸(jin)泡(pao),應將水排除,清除被浸(jin)泡(pao)的(de)土層。
建議用(yong)中(zhong)粗砂(sha)換填并夯實,復核井(jing)(jing)(jing)底(di)(di)座(zuo)編號、規格(ge)、接管直(zhi)徑,混凝(ning)土檢查井(jing)(jing)(jing)廠家,井(jing)(jing)(jing)底(di)(di)座(zuo)安裝中(zhong)心(xin)定位(wei)后,將檢查井(jing)(jing)(jing)的井(jing)(jing)(jing)底(di)(di)座(zuo)安置(zhi)于(yu)井(jing)(jing)(jing)底(di)(di)坑基(ji)礎上。并調(diao)整好井(jing)(jing)(jing)底(di)(di)座(zuo)標高和接管位(wei)置(zhi)。
工(gong)序(xu)為:井(jing)→管(guan)(guan)(guan)→井(jing)→管(guan)(guan)(guan)。 檢查井(jing)的(de)(de)(de)安(an)(an)裝(zhuang)應先從(cong)接(jie)戶管(guan)(guan)(guan)上段開始安(an)(an),以井(jing)-管(guan)(guan)(guan)-井(jing)-管(guan)(guan)(guan)順序(xu)依次(ci)進行安(an)(an)裝(zhuang),并(bing)逐漸向下(xia)延伸,當變徑(jing)(jing)的(de)(de)(de)時候,如果匯入(ru)管(guan)(guan)(guan)徑(jing)(jing)小于井(jing)座接(jie)口(kou)(kou)管(guan)(guan)(guan)徑(jing)(jing),應采取(qu)管(guan)(guan)(guan)頂平接(jie)的(de)(de)(de)方式;如果井(jing)座排出管(guan)(guan)(guan)接(jie)口(kou)(kou)大(da)于下(xia)游管(guan)(guan)(guan)道(dao)徑(jing)(jing),就采取(qu)管(guan)(guan)(guan)內底平接(jie)的(de)(de)(de)方式。 安(an)(an)裝(zhuang)附加接(jie)頭時,應根據井(jing)筒尺寸(cun)和連接(jie)管(guan)(guan)(guan)道(dao)直(zhi)徑(jing)(jing)來(lai)進行安(an)(an)裝(zhuang)前的(de)(de)(de)測量工(gong)作,并(bing)且采用(yong)專用(yong)工(gong)具在井(jing)壁(bi)上開孔,注(zhu)意安(an)(an)裝(zhuang)附加接(jie)頭不得倒坡。
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