室外电缆沟施工方案(中英文)gdva.docx
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1、电缆沟开开挖施工工方案Workk Meethood oof CCablle TTrennch Exccavaatioon 编 制:Commpilled by: 审 核:Revviewwed by:20099年10月221日Octooberr 211, 220099目录Conttentt一. 概况 OOVERRVIEEW31.1 工工程概况况 PRROJEECT OVEERVIIEW331.2 施施工范围围 SCCOPEE OFF WOORK33二编制制依据 COMMPILLATIION BASSIS44三施工工工艺流流程COONSTTRUCCTIOON PPROCCESSS:4四. 前期准准备
2、PRREPAARATTIONNS44.1 技技术准备备TECCHNIICALL PRREPAARATTIONN44.2 材料料准备MMATEERIAAL PPREPPARAATIOON54.3 主要要机具准准备MAAIN EQUUIPMMENTTS PPREPPARAATIOON54.4 作业业环境准准备OPPERAATINNG EENVIIRONNMENNT PPREPPARAATIOONS55五. 电缆沟沟施工CCABLLE TTRENNCH CONNSTRRUCTTIONN55.1 电电缆沟测测量、定定位CAABLEE TRRENCCH MMEASSUREEMENNT AAND POSS
3、ITIIONIING555.2 电电缆沟开开挖CAABLEE TRRENCCH EEXCAAVATTIONN6六. 质质量控制制QUAALITTY CCONTTROLL76.1 电缆缆沟外形形尺寸允允许偏差差表ALLLOWWABLLE DDEVIIATEED EEXTEERNAAL DDIMEENSIIONSS OFF CAABLEE TRRENCCH TTABLLE76.2 应注注意的质质量问题题QUAALITTY IISSUUES88七. 成成品保护护FINNISHHED PROOTECCTIOON8八. 施施工记录录CONNSTRRUCTTIONN OFF REECORRD8九. 安安全
4、生产产、文明明施工要要求和措措施SAAFETTY AAND CIVVILIIZEDD COONSTTRUCCTIOON RREQUUESTTS AAND MEAASURRES99附厂区电电缆沟图图: AATTAACHEED: CABBLE TREENCHH DRRAWIING99一. 概况 Oveerviiew1.1 工工程概况况 Prrojeect Oveerviiew项目名称称:本工程涉涉及三个个变电站站,分别别是现有有的2220/335kVV A4472变变电站、现现有的335/110kVV B3301SS变电站站以及新新建的335/110kVV C5581变变电站,工工作内容容为三个个
5、变电站站之间和和从三个个变电站站接至MMV用户户的电力力电缆、控控制电缆缆、接地地电缆敷敷设所需需电缆沟沟的开挖挖工程。The project involves three substations, namely the existing 220/35kV A472 substation, the existing 35/10kV B301S the 35/10kV C581 substation and a new substation.This is the power, control and grounding cable trench excavation project among
6、 three substationsand for MV users connected to the three substations. 1.2 施施工范围围 Sccopee off Woork1) 由由A4772变电电站引出出3路35kkV出线线。其中中:一路引至至B3001S建建筑(335/110kVV变电站站)原1#主变变,原11#主变变电缆将将抽出,与与新增44#主变变连接;另两路路引至335/110kVV C5581变变电站11#主变变和2#主变。回回路采用用FS-YJYY-266/355kV-1*3300mmm2单单芯电缆缆,直埋埋敷设。去C581的两路35kV线路,敷设时沿不
7、同路径,以避免两回线路同时受损。Pull three 35V outgoings from A472 substation. Of which: The firrst outtgoiing is ledd too B3301SS Buuilddingg (335/110kVV suubsttatiion) thhe oorigginaal oone # mmainn trranssforrmerr, ppulll thhe oorigginaal oone # mmainn trranssforrmerr caablee ouut, andd coonneect to thee adddinn
8、g 44 # maiin ttrannsfoormeer; thee ottherr twwo ooutggoinngs aree leed tto 335/110kVV C5581 # 11 annd ssubsstattionn 2 # mmainn trranssforrmerr. UUse FS-YJYY-266/355kV-1 * 3000mmm2 ssinggle-corre ccablles forr Looopaand burrieddpulllinng. Twoo 355kV linnes to C5881 aare laiid aalonng ddifffereent pa
9、tths to avooid dammagee off thhe ttwo looops.2) 由B3301SS变电站站引出77路100kV出出线。全全部引至至B3999中心心制冷站站。回路路采用110kVV截面为为95mmm2的的三芯铠铠装电缆缆,由BB3011S南面面现有的的电缆井井引出直直埋至装装置。PPulll 7 10kkV ooutggoinngs froom BB3011S ssubsstattionn too B3399ccenttrall reefriigerratiion staatioon. Looop uusess 100kV thrree-corre aarmoore
10、dd caablee wiith crooss-secctioon 995mmm2 aand pulllouut ffromm thhe eexisstinng ccablle wwelll inn thhe ssoutth oof BB3011S tthenn buurieed llaytto tthe devvicee. 3) 由C5581引引出100路100kV线线路,分分别为AA5077的四台台变压器器,B5551的的两台变变压器,BB5533TDAA装置氢氢气压缩缩机2台台,C5521盐盐酸装置置氯气压压缩机11台,盐盐酸压缩缩机1台台提供电电源。其其中,变变压器回回路采用用10kk
11、V截面面为1885mmm2的三三芯铠装装电缆,马马达回路路采用110kVV截面为为95mmm2的的三芯铠铠装电缆缆。以上上电缆线线路均沿沿规划路路径埋地地敷设。10 10kV lines led fromC581 are used to supply power to A507s four transformers, B551 two transformers, B553TDA 2 sets of hydrogen compressor unit, C521 hydrochloric acid chlorine gas compressor unit, and hydrochloric aci
12、d compressor unit respectively. Among them, transformer circuit uses x 3-core armored cable with 10kV cross-section185mm2, motor circuit uses three-core armored cable with 10kV cross-section 95mm2. All cable lines will be laid underground along the planning path.4) 接地电电缆回路路:Grrounnd ccablle lloopp:
13、从A4772敷设设一根995mmm2裸铜铜线去CC5811,同时时从C5581敷敷设四根根95mmm2裸裸铜线,分分别引至至B5551、AA5077、B5553和和C5221,作作等电位位联结。以以上电缆缆线路均均沿规划划路径埋埋地敷设设。Laay aa 955mm22 baare coppperr wiire to C5881 ffromm A4472. Meeanwwhille llay fouur bbaree cooppeer wwireesto B5551, A5007, B5553 aand C5221foor eequiipottenttiall boondiing. Alll
14、ccablle llinees wwilll bee laaid undderggrouund aloong thee pllannningg paath.5)本工工程电缆缆沟走向向如下:Thee caablee trrencch ddireectiionss arre aas ffolllowss:电缆沟南南线为AA4722至C5581,全全长约8850米米,根据据K-KK断面图图:开挖挖深度为为1米,沟沟槽底宽宽0.66米,沟沟槽面宽宽约1.1米。 Cabble treenchh soouthh liineiis ffromm A4472 to C5881abboutt 8550 mmet
15、eers lonng. Acccorddingg too KKK seectiionaal ddrawwingg, exxcavvatiion deppth is of 1 mmeteer wwithh trrencch bbotttom widdth 0.66 m andd faace widdth11.1 m.电缆沟北北线为AA4722至C5581和和B3001,其其中共线线约2220米,根根据A-A断面面图有:开挖深深度为11米,沟沟槽底宽宽1米,沟沟槽面宽宽约1.5米;Cabble treenchh noorthh liine is froom AA4722 too C5581 and
16、d B3301 andd thhe ccolllineear is aboout 2200 meeterrs.Accoordiing to AA secctioonall drrawiing, exxcavvatiion deppth is 1 mmeteer ttrennch witth ttrennch botttom widdth 1 m aand facce wwidtth1.5 m.至C5881支线线约4330米,根根据E-E断面面图有:开挖深深度为11米,沟沟槽底宽宽0.66米,沟沟槽面宽宽约1.1米;至B3301支支线约3300米米,根据据B-BB断面图图有:开开挖深度度为1米米
17、,沟槽槽底宽00.6米米,沟槽槽面宽约约1.11米。TThe subb-liine thee C5581 is aboout 4300 meeterrs.Accoordiing to EE secctioonall drrawiing exccavaatioon ddeptth iis 11 meeterr trrencch wwithh trrencch bbotttom widdth 1 m aand facce wwidtth1.1 m.Thee suub-llinee too B3301tthe is aboout 3000 meeterrs.Accoordiing to BB sec
18、ctioonall drrawiing , exxcavvatiion deppth is 1 mmeteer ttrennch witth ttrennch botttom widdth 1 m aand facce wwidtth1.1 m.二编制制依据 CComppilaatioon BBasiis1)根据据电气包包(中压压部分)招招标文件件及招标标图纸编编制而成成。Acccorrdinng tto EElecctriic ppackkagee (MMV) thee teendeer aand tennderr drrawiingss.2)在充充分研究究工程的的客观情情况和施施工特点点,
19、结合合我公司司类似工工程施工工经验的的基础上上编制的的。Baasedd onn fuull stuudy on connstrructtionn chharaacteerissticcs aand objjecttivee siituaatioon aand commbinned witth ssimiilarr coonsttrucctioonexxperriennce.3)在本本方案编编制过程程中,严格执执行国家家现行建建筑和安安装工程程施工及及验收规规范、规规程、标标准、设设计规范范。具体体如下:In thiis ccomppilaatioon pproccesss, sstriictl
20、ly iimpllemeent currrennt nnatiionaal cconsstruuctiion andd innstaallaatioon cconsstruuctiion, acccepptannce norrms, prroceedurres, sttanddardds, andd deesiggn sspeccifiicattionns. As folllowws:电气装装置安装装工程电电缆线路路施工及及验收规规范 GB5501668-220066 EElecctriicall innstaallaatioon ccablle coonsttrucctioon aand a
21、cccepttancce sstanndarrds GB5501668-220066 电气装装置安装装工程接接地装置置施工及及验收规规范 GB5501669-220066 EElecctriicall innstaallaatiooneaarthhingg coonsttrucctioon aand acccepttancce sstanndarrd GGB5001699-20006 建筑电电气工程程施工质质量验收收规范 GB5503003220022 BBuilldinng EElecctriicall Coonsttrucctioon QQuallityy Acccepptannce GB
22、5503003-220022三 施施工工艺艺流程:Connstrructtionn Prroceess:前期准备备电缆缆沟测量、定定位确定开开挖顺序序沿灰线线切出槽槽边轮廓廓线分层开挖挖修整槽边边清底prrepaarattionn caablee trrencch mmeassureemennts exccavaatioon oordeercutttinng cconttourr liine aloong thee caalcaareoousnnesss strratiifieed eexcaavattionn finnishhingg caablee trrencch eedgeecleea
23、r up四. 前期准准备Prrepaarattionns4.1 技技术准备备tecchniicall preeparratiion1) 针针对本工工程特点点编审详详细的电电缆沟施工作作业指导导书,及及时组织织图纸会会审。Commpille ppartticuularr caablee trrencch cconsstruuctiion enggineeeriing guiide boook aas pper proojecct ccharractteriistiics andd orrgannizee prrompptlyy drrawiingss joointt exxamiinattion
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