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PAGE/r/n67/r/n目錄/r/nTOC\o"1-1"\h\z\u/r/n/r/n/r/n/r/n建設(shè)項目基本情況/r/n /r/n/r/n4/r/n/r/n/r/n/r/n工程內(nèi)容及規(guī)模/r/n /r/n/r/n5/r/n/r/n/r/n/r/n與本項目有關(guān)的原有污染情況及主要環(huán)境問題/r/n /r/n/r/n7\h/r/n24/r/n/r/n/r/n/r/n建設(shè)項目所在地自然環(huán)境社會環(huán)境簡況/r/n /r/n/r/n25/r/n/r/n/r/n/r/n環(huán)境質(zhì)量狀況/r/n /r/n/r/n32/r/n/r/n/r/n/r/n評價適用標準/r/n /r/n/r/n37/r/n/r/nHYPERLINK/r/n\l"_Toc386097831"/r/n/r/n建設(shè)項目工程分析/r/n /r/n/r/n38/r/n/r/n/r/n/r/n項目主要污染物產(chǎn)生及預(yù)計排放情況/r/n /r/n/r/n41/r/n/r/n/r/n/r/n環(huán)境影響分析/r/n /r/n/r/n42/r/n/r/n/r/n/r/n污染防治措施/r/n /r/n/r/n52/r/n/r/n/r/n/r/n建設(shè)項目擬采取的防治措施及預(yù)期治理效果/r/n /r/n/r/n57/r/n/r/n/r/n/r/n結(jié)論與建議/r/n /r/n/r/n58/r/n

/r/n附:/r/n建設(shè)項目環(huán)境保護審批登記表/r/n附圖1:哈爾濱市老舊排水管線改造工程/r/n區(qū)域位置圖/r/n附圖2:哈爾濱市老舊排水管線改造工程總/r/n平面布置圖/r/n附圖3/r/n-1/r/n:道外老舊排水管線改造平面布置圖/r/n附圖/r/n3-2/r/n:太平老舊排水管線改造平面布置圖/r/n附圖/r/n3-3/r/n:南崗老舊排水管線改造平面布置圖/r/n附圖/r/n3-4/r/n:嵩山老舊排水管線改造平面布置圖/r/n附圖/r/n3-5/r/n:香坊老舊排水管線改造平面布置圖/r/n附圖/r/n3-6/r/n:動力老舊排水管線改造平面布置圖/r/n附圖/r/n3-7/r/n:哈西老舊排水管線改造平面布置圖/r/n附圖/r/n3-8/r/n:平房老舊排水管線改造平面布置圖/r/n附圖/r/n3-9/r/n:道里老舊排水管線改造平面布置圖/r/n附圖/r/n3-10/r/n:顧?quán)l(xiāng)及太陽島風景區(qū)老舊排水管線改造平面布置圖/r/n附圖4-1道外老舊排水管線改造外環(huán)境示意圖(1)、(2)、(3)/r/n附圖4-2太平老舊排水管線改造外環(huán)境示意圖(1)、(2)、(3)/r/n附圖4-3南崗老舊排水管線改造工程外環(huán)境示意圖(1)/r/n附圖4-3南崗老舊排水管線改造工程外環(huán)境示意圖(2)/r/n附圖4-4嵩山老舊排水管線改造外環(huán)境示意圖/r/n附圖4-5香坊老舊排水管線改造外環(huán)境示意圖(1)、(2)、(3)、(4)/r/n附圖4-6動力老舊排水管線改造外環(huán)境示意圖/r/n附圖4-7哈西老舊排水管線改造外環(huán)境示意圖(1)、(2)、(3)/r/n附圖4-8平房老舊排水管線改造外環(huán)境示意圖(1)、(2)/r/n附圖4-/r/n9/r/n道里老舊排水管線改造外環(huán)境示意圖/r/n附圖4-/r/n10/r/n太陽島風景區(qū)功能分區(qū)圖(1)/r/n附圖4-/r/n10/r/n太陽島風景區(qū)老舊排水管線改造外環(huán)境示意圖(2)/r/n附圖4-/r/n10/r/n顧?quán)l(xiāng)老舊排水管線改造外環(huán)境示意圖/r/n附件:/r/n附件1/r/n哈爾濱市行政審批服務(wù)工作領(lǐng)導(dǎo)小組辦公室,哈政服組辦綜《2013》3號文件《關(guān)于實施新的建設(shè)項目審批流程的通知》;/r/n附件2/r/n哈爾濱市人民政府辦公廳收文處理單/r/n附件3/r/n哈爾濱市水務(wù)局文件,哈水呈[2012]124號《關(guān)于解決我市江南主城區(qū)內(nèi)澇問題的意見》/r/n附件4報告全本公示截圖/r/n

/r/n建設(shè)項目基本情況/r/n項目/r/n名稱/r/n哈爾濱市老舊排水管線改造工程/r/n建設(shè)單位/r/n哈爾濱排水集團有限責任公司/r/n法人代表/r/n馬立/r/n聯(lián)系人/r/n劉宇紅/r/n通訊地址/r/n哈爾濱市道里區(qū)井街53號/r/n聯(lián)系電話/r/r/n傳真/r/r/n郵政編碼/r/n15/r/n0/r/n0/r/n10/r/n建設(shè)地點/r/n哈爾濱市/r/n江南/r/n老城區(qū)/r/n和太陽島風景區(qū)/r/n立項/r/n審批部門/r/n批準/r/n文號/r/n建設(shè)/r/n性質(zhì)/r/n改/r/n建/r/n行業(yè)類別/r/n及代碼/r/nN/r/n7810/r/n市政設(shè)施管理/r/n占地面積/r/n(m/r/n2/r/n)/r/n//r/n綠化面積/r/n(m/r/n2/r/n)/r/n//r/n總投資/r/n(萬元)/r/n938/r/n96.45/r/n其中:環(huán)保投資(萬元)/r/n179.5/r/n環(huán)保投資占總投資比例/r/n0.19/r/n評價經(jīng)費/r/n(萬元)/r/n6/r/n預(yù)期投產(chǎn)日期/r/n201/r/n8/r/n年/r/n10月/r/n工程內(nèi)容及規(guī)模/r/n1./r/n項目由來/r/n1.1項目由來/r/n近年來,/r/n哈爾濱市/r/n老舊排水管線經(jīng)常發(fā)生塌斷、堵水等險情,嚴重影響該區(qū)域人民的生活和生命財產(chǎn)安全及企事業(yè)單位的生產(chǎn)工作,也給當?shù)亟煌霸摰貐^(qū)的經(jīng)濟發(fā)展帶來了阻礙,這些問題已引起了市政府的高度重視。/r/n為解決哈爾濱市排水管線老化陳舊以及過流能力不足等問題,借鑒2013年道里區(qū)老舊管網(wǎng)改造經(jīng)驗,將哈爾濱市江南主城區(qū)及太陽島風景區(qū)內(nèi)急需改造的管線全部列入本項目中,計劃用5年左右時間,隨著市政府城市道路改造計劃/r/n,/r/n逐步分年的/r/n對/r/n老舊排水管線/r/n進行管道更新/r/n。/r/n根據(jù)《中華人民共和國環(huán)境影響評價法》和中華人民共和國國務(wù)院第253號文件《建設(shè)項目環(huán)境保護管理條例》、《建設(shè)項目環(huán)境影響評價分類管理名錄》規(guī)定以及環(huán)保局的意見,受/r/n哈爾濱排水集團有限責任公司/r/n的委托,/r/n我院/r/n承擔了/r/n“/r/n哈爾濱市老舊排水管線改造工程/r/n”/r/n的環(huán)境影響評價工作,在現(xiàn)場調(diào)查、資料收集以及咨詢專家的基礎(chǔ)上,采用科學(xué)的評價方法,對項目可能產(chǎn)生的環(huán)境影響進行了分析與評價,并編制該項目環(huán)境影響報告表。/r/n1/r/n.2項目建設(shè)的必要性/r/n哈爾濱市排水集團負責管理的江南城區(qū)/r/n及太陽島風景區(qū)/r/n排水管網(wǎng)1230/r/nkm/r/n,/r/n其中很多都是使用期超過60年的老舊管線/r/n。資料顯示目前哈市江南城區(qū)有217/r/nkm/r/n長的老舊排水管網(wǎng)建于偽滿時期和上世紀70年代。老城區(qū)內(nèi)共有567/r/nkm/r/n的解放前及上世紀六七十年代的供水、排水、供熱管線及設(shè)備,這些超期服役的老舊管線隨時面臨著“罷工”危險。/r/n除排水設(shè)施更新欠賬外,管線自然老化,污水腐蝕形成土洞、由于地處北方高寒地區(qū),開春入秋溫度變化較大,土層發(fā)生變化的各種原因引起管線滲漏,造成管線塌斷,引起道路坍塌等多種問題,近年來,排水管網(wǎng)經(jīng)常發(fā)生塌斷、堵水等險情。自2010年至2012年,排水集團對道外南十道街、道里尚志胡同、南崗郵政街等175處排水管網(wǎng)進行了搶修搶險,其中2010年搶險47處,2011年搶險33處,2012年搶險95處/r/n。2013年共搶險96處,其中道里搶險17處(與往年相比降低了30%左右),可見道里區(qū)的改造效果較好,道外16處,南崗20處,顧?quán)l(xiāng)14處,哈西6處,太平11處,香坊6處,太陽島風景區(qū)6處/r/n。/r/n以上問題的嚴重性已引起了市政府的高度重視,老舊排水管線的改造已迫在眉睫。如果不盡快改造老舊管網(wǎng),排水管網(wǎng)還將陸續(xù)出現(xiàn)塌斷、積水、內(nèi)澇等險情,對該地區(qū)的人民生命財產(chǎn)、企事業(yè)單位的工作生產(chǎn)、經(jīng)濟發(fā)展、社會穩(wěn)定及哈爾濱市的整體城市面貌都會造成嚴重的影響。因而必須盡快對存在問題管道進行改建,提高排水能力,改善居民生活環(huán)境及城市投資環(huán)境。/r/n2./r/n編制依據(jù)與評價目的/r/n2.1編制依據(jù)/r/n2.1.1/r/n有關(guān)法律法規(guī)/r/n⑴《中華人民共和國環(huán)境保護法》(/r/n1989年12月26日/r/n)/r/n⑵《中華人民共和國大氣污染防治法》(/r/n2000年4月29日/r/n)/r/n⑶《中華人民共和國水污染防治法》(/r/n2008年2月28日/r/n)/r/n⑷《中華人民共和國環(huán)境噪聲污染防治法》(/r/n1997年3月1日/r/n)/r/n⑸《中華人民共和國固體廢物污染環(huán)境防治法》(/r/n2005年4月1日/r/n)/r/n⑹《中華人民共和國環(huán)境影響評價法》(/r/n2003年9月1日/r/n)/r/n⑺《中華人民共和國/r/n水土保持法/r/n》(20/r/n10/r/n年/r/n12/r/n月/r/n25/r/n日)/r/n⑻/r/n《中華人民共和國文物保護法》/r/n(20/r/n13/r/n年/r/n06/r/n月/r/n29/r/n日)/r/n⑼/r/n《中華人民共和國文物保護法實施條例》/r/n(/r/n2003年7月1日/r/n)/r/n⑽/r/n《中華人民共和國文物保護法實施細則》/r/n(/r/n1992年4月30日/r/n)/r/n⑾/r/n中華人民共和國水土保持法實施條例/r/n(/r/n1998/r/n年/r/n08/r/n月/r/n01/r/n日)/r/n⑿/r/n國家環(huán)保局/r/n《建設(shè)項目環(huán)境影響評價分類管理名錄》/r/n(2008.10.1)/r/n⒀/r/n中華人民共和國國務(wù)院令第253號《建設(shè)項目環(huán)境保護管理條例》(/r/n1998年11月29日/r/n)/r/n⒁/r/n國家發(fā)展改革委關(guān)于修改《產(chǎn)業(yè)結(jié)構(gòu)調(diào)整指導(dǎo)目錄(2011年本)》有關(guān)條款的決定2013年修改本/r/n⒂/r/n環(huán)境保護部文件環(huán)發(fā)2012[98]號《關(guān)于切實加強風險防范嚴格環(huán)境影響評價管理的通知》/r/n⒃/r/n黑龍江省人民/r/n政府令第23號《黑龍江省建設(shè)項目環(huán)境保護管理辦法》/r/n⒄/r/n《哈爾濱市太陽島風景區(qū)管理條例(修正)》2006年08月01日/r/n⒅/r/n《黑龍江省文物保護管理條例》1993年05月16日/r/n2.1.2/r/n有關(guān)技術(shù)規(guī)范/r/n⑴《環(huán)境影響評價技術(shù)導(dǎo)則/r/n/r/n總綱》HJ2.1—2011/r/n⑵《環(huán)境影響評價技術(shù)導(dǎo)則/r/n/r/n大氣環(huán)境》HJ2.2—2008/r/n⑶《環(huán)境影響評價技術(shù)導(dǎo)則/r/n/r/n地/r/n面/r/n水環(huán)境》HJ/T2.3/r/n-/r/n93/r/n⑷《環(huán)境影響評價技術(shù)導(dǎo)則/r/n/r/n聲環(huán)境》HJ2.4/r/n-/r/n2009/r/n⑸/r/n《環(huán)境影響評價技術(shù)導(dǎo)則生態(tài)環(huán)境》HJ19-2011/r/n⑹/r/n《環(huán)境影響評價技術(shù)導(dǎo)則/r/n地下水/r/n環(huán)境》HJ/r/n610/r/n-2011/r/n⑺/r/n《建設(shè)項目環(huán)境影響風險評價技術(shù)導(dǎo)則》(HJ/T169-2004)/r/n⑻/r/n《建筑給水排水設(shè)計規(guī)范》/r/n(GB50015-2003)2010年版/r/n2.1.3相關(guān)技術(shù)文件/r/n(1)/r/n《哈爾濱市城市總體規(guī)劃(2011-2020年)》/r/n(2)/r/n《/r/n哈爾濱市/r/n老舊排水管線改造工程/r/n可行性研究報告/r/n》/r/n;/r/n(/r/n3/r/n)哈爾濱市水務(wù)局文件/r/n,哈/r/n水呈[2012]124號/r/n《關(guān)于解決我市江南主城區(qū)內(nèi)澇問題的意見》/r/n;/r/n2.2編制目的/r/n根據(jù)該工程的特點,在對區(qū)域環(huán)境進行現(xiàn)狀調(diào)查、評價的基礎(chǔ)上,預(yù)測該工程實施的過程中及該工程投入使用后可能對周圍的環(huán)境所造成影響的程度和范圍,并提出相應(yīng)的環(huán)保對策和污染防治措施,從保護環(huán)境的角度評述本工程建設(shè)的是否可行,為主管部門對該項目的是否可行提供決策依據(jù)。/r/n3./r/n排水工程現(xiàn)狀及存在問題/r/n3.1/r/n排水工程現(xiàn)狀/r/n哈爾濱江南主城區(qū)主要分為四大匯水區(qū),分別為沿江匯水區(qū)、馬家溝匯水區(qū)、何家溝匯水區(qū)和/r/n阿什河(信義溝)匯水區(qū)/r/n。/r/n(/r/n1/r/n)/r/n沿江匯水區(qū)/r/n目前沿江匯水區(qū)范圍是南起大直街,北至松花江,西起康安路,東至馬家溝河口,包括道里區(qū)、道外區(qū)的大部分和南崗區(qū)大直街以北部分地區(qū),匯水面積為27.3/r/nkm/r/n2/r/n。服務(wù)人口83萬人。污水主要排入太平污水處理廠進行處理。/r/n區(qū)內(nèi)設(shè)有市政污水處理廠一座,排水泵站12座,沿江排水口8個,排水管道330.7/r/nkm/r/n,排水管網(wǎng)密度/r/n12.11/r/nkm/r/n//r/nk/r/nm/r/n2/r/n,人均占有排水管道/r/n0.40/r/nm/r/n/人/r/n,日排放污、廢水量24.95萬/r/nm/r/n3/r/n。污水經(jīng)已經(jīng)建設(shè)完善的沿江污水截流管線收集后,排入下游太平/r/n及文昌/r/n污水處理廠進行處理(32.5萬t/d)。/r/n(/r/n2/r/n)/r/n馬家溝匯水區(qū)/r/n馬家溝河是由西南至東北橫貫市區(qū)的天然沖溝,從平房區(qū)開始經(jīng)動力區(qū)、南崗區(qū)和道外區(qū),市內(nèi)段約20/r/nkm/r/n。目前馬家溝匯水區(qū)范圍南起哈南鐵路,北至松花江,西起學(xué)府路—大直街,東至三棵樹鐵路線—公濱路—紅旗大街一帶,匯水面積73.05/r/nkm/r/n2/r/n(哈爾濱市2020年總體規(guī)劃中,該匯水區(qū)面積將擴大至110/r/nkm/r/n2/r/n)。服務(wù)人口112萬人。根據(jù)污水去向的不同本匯水區(qū)可分為南、北兩個分區(qū),北區(qū)污水主要排入文昌污水處理廠,南區(qū)污水則排入規(guī)劃的朝陽水質(zhì)凈化廠。/r/n(/r/n3/r/n)/r/n何家溝匯水區(qū)/r/n何家溝部分新區(qū),如哈西、群力規(guī)劃排水體制皆為分流制,但部分關(guān)鍵干線,如三環(huán)、四環(huán)雨水管渠等尚未開始敷設(shè)。區(qū)內(nèi)管道長度204.90/r/nkm/r/n,管網(wǎng)密度4.1/r/nkm/r/n//r/nk/r/nm/r/n2/r/n,區(qū)內(nèi)現(xiàn)狀已建雨水泵站4座,污水泵站2座,主要排水口12個,人均占有管道長度/r/n0.38/r/nm/r/n/人/r/n,日排放污、廢水量18.49萬/r/nm/r/n3/r/n。污水截流渠西溝自建安二道街起至埃德蒙頓路,東溝自哈達屯起至埃德蒙頓路,自埃德蒙頓路至入江口為何家溝污水截流干流部分,全線建設(shè)29.3/r/nkm/r/n,已經(jīng)具備通水條件。污水經(jīng)何家溝污水截流系統(tǒng)輸送至群力污水處理廠(一期15萬t/d,實際來水12萬t/d)處理。/r/n(/r/n4/r/n)/r/n阿什河(信義溝)匯水區(qū)/r/n區(qū)內(nèi)設(shè)有合流泵站4座,主要排水口16個,排水管道158/r/nkm/r/n,管網(wǎng)密度3.29/r/nkm/r/n//r/nk/r/nm/r/n2/r/n,人均排水管道長度0.39/r/nm/r/n/人/r/n,日排放污、廢水量10.37萬/r/nm/r/n3/r/n。信義溝污水截流管線自福泰名苑起至信義溝與阿什河交匯處的信義溝污水處理廠,已建設(shè)管線4.3/r/nkm/r/n。污水經(jīng)截流系統(tǒng)輸送至信義溝污水處理廠(一期10萬t/d,實際來水8萬t/d)處理。信義溝污水處理廠規(guī)劃處理水量并未將上游所有鄉(xiāng)鎮(zhèn)及支流的污水計入其中。/r/n(5)/r/n太陽島匯水區(qū)/r/n太陽島匯水區(qū)分為中區(qū)、東區(qū)和西區(qū),其中東區(qū)和中區(qū)為合流制,西區(qū)規(guī)劃分流制,匯水面積約8/r/nk/r/nm/r/n2/r/n,排水管道長約2.8/r/nkm/r/n,排水管網(wǎng)密度約0.4/r/nkm/r/n//r/nk/r/nm/r/n2/r/n?,F(xiàn)狀區(qū)內(nèi)已建合流泵站一座,排水口一個?,F(xiàn)狀區(qū)內(nèi)污水經(jīng)處理后排入松花江,雨水排入松花江。/r/n3.2/r/n存在的問題/r/n①/r/n設(shè)施陳舊老化/r/n哈爾濱排水集團有限責任公司/r/n負責管理的江南城區(qū)排水管網(wǎng)1230/r/nkm/r/n,其中建于70年代前的約為217/r/nkm/r/n,占管網(wǎng)總長度的約18%,這其中還包括27/r/nkm/r/n建于解放前已服役60年以上的管網(wǎng)/r/n,這些管道中很多因為超過了試用年限出現(xiàn)破損不能正常排水。/r/n②/r/n排水設(shè)施少,管徑小,容量不夠/r/n由于近年來不斷的發(fā)展建設(shè),導(dǎo)致原有管線的匯水區(qū)域發(fā)生變化,服務(wù)人口逐步增加,社會需求不斷增大,原有管線的排水能力已經(jīng)跟不上社會的發(fā)展需求,如排水斷面過小,排水設(shè)施少,管徑小,容量不夠,排水不暢,排水能力不夠等。/r/n遭遇強降雨時,很容易引起內(nèi)澇及地面集水時間過長,排水時間過久的現(xiàn)象,造成交通癱瘓,嚴重影響當?shù)厝嗣竦纳罴爸苓吰笫聵I(yè)單位的生產(chǎn)發(fā)展。/r/n/r/n③/r/n雨污合流排水體制帶來環(huán)境問題/r/n雨水和污水通過同一管道進入污水處理廠,使處理廠的規(guī)模過大,投資過多,建設(shè)困難,雨季時進水碳源不足,處理效率降低;不降雨時,排水管內(nèi)水量較小,管中水力條件較差;如果直接排入水體又極不衛(wèi)生。/r/n4./r/n項目/r/n概況/r/n4.1/r/n建設(shè)地點/r/n本工程建設(shè)地點位于哈爾濱市江南老城區(qū)和太陽島風景區(qū),/r/n詳見附圖1/r/n區(qū)域位置圖/r/n。/r/n4./r/n2/r/n建設(shè)/r/n內(nèi)容/r/n排水體制:/r/n本項目/r/n位于/r/n哈爾濱市四大江南匯水區(qū)及太陽島風景區(qū)/r/n,/r/n除太陽島風景區(qū)內(nèi)的8/r/n條管線為合流制外,其他匯水區(qū)均采用/r/n截流式合流制。/r/n施工方式:開槽施工和非開挖施工新技術(shù)/r/n(/r/n非開挖液壓換管施工/r/n和頂管施工/r/n)/r/n服務(wù)年限:根據(jù)《哈爾濱市城市總體規(guī)劃》(2011年/r/n—/r/n2020年)(哈爾濱市人民政府,2011年5月),本項目管道服務(wù)年限為2020年/r/n,服務(wù)人口為2020年城市人口/r/n。/r/n本次項目主要目的為更換老化管線以解決塌陷及短暫積水問題,沒有新建管道,因此改造后污水收集率/r/n原則上/r/n不變,為86.7%。/r/n排水管道:/r/n改造內(nèi)容為哈爾濱市292條街道/r/n,/r/n共354段排水管線,對管徑d250-d1600的管道進行改建,改建管徑為d400-d2000,/r/n埋深2.48m~4.48m,/r/n改造管線總長度約為118.45/r/nkm/r/n,/r/n匯水區(qū)面積/r/n8362ha/r/n。/r/n項目/r/n工程/r/n組成一覽表見表/r/n1/r/n-1/r/n,管道改造詳見表/r/n1/r/n-2/r/n。/r/n管道設(shè)計流量確定:/r/n雨水設(shè)計流量按下列公式計算:/r/nQ=Ψ·q/r/nF/r/n(L/s)/r/n式中:Q—雨水設(shè)計流量(L/s);/r/nq—設(shè)計暴雨強度(L/s.hm/r/n2/r/n);/r/nΨ—綜合徑流系數(shù),本工程采用Ψ=0./r/n6/r/n;/r/nF—匯水面積(hm/r/n2/r/n)/r/nQ—暴雨強度/r/n設(shè)計/r/n一般地段設(shè)計重現(xiàn)期取1年,部分重要地段重現(xiàn)期取3年,少數(shù)特別重要地區(qū)重現(xiàn)期取10年/r/n,集水時間t=/r/n10min/r/n,綜合徑流系數(shù)/r/nφ/r/n=/r/n0./r/n6,/r/n暗管折減系數(shù)m=2/r/n;/r/n規(guī)劃采用/r/n哈爾濱/r/n市的暴雨強度公式:/r/nq=2/r/n989.3/r/n×/r/n(1+0.9/r/n5/r/nLgP)/(t+1/r/n1.77/r/n)/r/n0/r/n./r/n88/r/n檢查井規(guī)格:/r/n⑴/r/n屬于以下情況的選用Φ1000圓形鋼筋混凝土檢查井:/r/na、當管道直徑d≤600且兩側(cè)無其他管線接入時;/r/nb、當管道直徑d≤600且一側(cè)或兩側(cè)有d≤400過街預(yù)留管管線接入時;/r/n⑵/r/n屬于以下情況的選用矩形直線鋼筋混凝土檢查井:/r/na、當雨水干線管道直徑d≤600且一側(cè)或兩側(cè)有d≥500過街預(yù)留管管線接入時;/r/nb、當干線管道直徑600<d≤2000,上下游管道方向為直線,且一側(cè)或兩側(cè)無其他管線接入時;/r/nc、當干線管道直徑600<d≤2000,上下游管線轉(zhuǎn)彎角度在175°~180°之間時,且一側(cè)或兩側(cè)無其他管線接入時;/r/nd、當干線管道直徑800≤d≤2000,上下游管道方向為直線,且一側(cè)或兩側(cè)管線接入管線的管徑d≤600時;/r/n⑶/r/n扇形鋼筋混凝土檢查井:當干線管道直徑600<d≤2000,上下游管線轉(zhuǎn)彎角度在95°~175°時。/r/n⑷/r/n三通、四通鋼筋混凝土檢查井:/r/na、當干線管道直徑600<d≤2000,且一側(cè)或兩側(cè)管線接入管線的管徑d>600時;/r/nb、當干線管道直徑600<d≤2000,上下游管線轉(zhuǎn)彎角度在90°-95°時;/r/n⑸/r/n異型鋼筋混凝土檢查井:干線交匯處無標準井圖可參照選用時,均單獨設(shè)計。/r/n表/r/n1/r/n-1本項目工程組成一覽表/r/n項目名稱/r/n本工程/r/n備注/r/n主/r/n體/r/n工/r/n程/r/n道外/r/n29178.7m,65條街道,76段,原有管徑d250-d1200,擬建管徑/r/nd400-d1400,/r/n截留式合流制/r/n沿江排水區(qū),排入/r/n太平/r/n及文昌/r/n污水處理廠/r/n道外(太平)/r/n21248m,56條街道,58段,原有管徑d300-d1200,擬建管徑/r/nd500-d1400,/r/n截留式合流制/r/n沿江排水區(qū)、/r/n馬/r/n家溝排水區(qū)和阿什河(信義溝)排水區(qū),排入/r/n文昌處理廠和信義污水處理廠/r/n南崗/r/n12393.65m,51條街道,68段,原有管徑d250-d1400,擬建管徑/r/nd400-d1800,/r/n截留式合流制/r/n沿江排水區(qū)、/r/n馬家/r/n溝排水區(qū),排入/r/n文昌污水處理廠/r/n續(xù)/r/n表1-1本項目工程組成一覽表/r/n項目名稱/r/n本工程/r/n備注/r/n主/r/n體/r/n工/r/n程/r/n南崗(嵩山)/r/n3023.7m,9條街道,9段,原有管徑d300-d600,擬建管徑/r/nd400-d600,/r/n截留式合流制/r/n馬家溝/r/n匯水/r/n區(qū),排入/r/n太平及/r/n文昌/r/n污水處理廠/r/n香坊/r/n10044.43m,27條街道,29段,原有管徑d300-d1600,擬建管徑/r/nd500-d1600,/r/n截留式合流制/r/n阿什河/r/n(信義溝)/r/n匯水/r/n區(qū),排入/r/n信義污水處理廠/r/n香坊(動力)/r/n11485.11m,18條街道,18段,原有管徑d300-d1500,擬建管徑/r/nd600-d1600,/r/n截留式合流制/r/n馬家溝/r/n匯水/r/n區(qū)和阿什河(信義溝)/r/n匯水/r/n區(qū),排入/r/n太平、/r/n文昌和信義污水處理廠/r/n南崗/r/n(/r/n哈西/r/n)/r/n17263.72m,31條街道,61段,原有管徑d250-d1500,擬建管徑/r/nd400-d2000,/r/n截留式合流制/r/n馬家溝匯水區(qū),排入/r/n太平及/r/n文昌污水處理廠/r/n平房/r/n1729.51/r/nm,/r/n7/r/n條街道,/r/n7/r/n段,原有管徑d300-d400,擬建管徑/r/nd500-d600,/r/n截留式合流制/r/n馬家溝/r/n匯水/r/n區(qū),排入/r/n太平及/r/n文昌污水處理廠/r/n道里/r/n2796/r/nm/r/n,/r/n7/r/n條街道,/r/n7/r/n段,原有管徑d400-d700,擬建管徑/r/nd600-d1000,/r/n截留式合流制/r/n沿江/r/n匯水/r/n區(qū),排入/r/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