1、 電纜敷設(shè)施工方案Construction Scheme for Cable Layout1編制說明及依據(jù)1.1編制說明為保證電纜線路安裝工程的施工質(zhì)量，使電纜敷設(shè)得以順利進(jìn)行，特編寫此方案。此方案適用于10KV及以下塑料絕緣電力電纜、控制電纜線路的敷設(shè)施工。12、編制依據(jù)承包合同或協(xié)議。施工圖及其它設(shè)計(jì)文件。電氣裝置安裝工程電纜線路施工及驗(yàn)收規(guī)范GB5016992電氣裝置安裝工程電氣設(shè)備交接試驗(yàn)標(biāo)準(zhǔn)GB5016992建筑電氣安裝工程質(zhì)量檢驗(yàn)評定標(biāo)準(zhǔn)GB503032002。石、公司質(zhì)量保證手冊、質(zhì)量體系程序及其支撐性文件。2、工程概況工程名稱、范圍、地點(diǎn)、規(guī)模、特點(diǎn)、主要技術(shù)要求、工期要求等。

2、主要實(shí)物工作量以設(shè)計(jì)院的圖紙及現(xiàn)場實(shí)際情況計(jì)算3、施工程序和施工方法Construction Procedure and Construction Method:3.l、施工程序Construction Procedure電纜出庫工具準(zhǔn)備電纜電氣絕緣檢查直溝電纜挖溝橋架配管不合格品標(biāo)識隔離鋪設(shè)施工用設(shè)備安裝電纜鋪設(shè)隱蔽工程檢查隱蔽工程記錄電纜鋪設(shè)記錄電纜溝回填橋架蓋板安裝電纜頭制作絕緣檢查受電交付使用Identifying and separating unsatisfactory productsTools for sending cable out of warehouseElectric

3、 insulation check for cableExcavating trench for direct burying and pipingCheck concealed worksCable layoutLayout equipment installationConcealed recordLayout recordBackfilling trench,Installing cover plateMaking cable ends,Check insulation Running and handover32、施工方法和質(zhì)量要求Construction Method and Qua

4、lity Requirements (1) 電纜出庫Sending cable out of warehousea、電纜出庫應(yīng)根據(jù)施工圖認(rèn)真核對需出庫電纜的規(guī)格、型號、數(shù)量是否符合設(shè)計(jì)要求，且應(yīng)標(biāo)示清楚。電纜盤外觀完整無損，合格證等產(chǎn)品文件齊全。While sending cable out of warehouse, check its specification, type, quantity carefully to verify whether comply with design or not and identify clearly. Appearance of cable dru

5、m is perfect and no damage, certificate and other product files are full. 對由多根電纜纏繞在同一個(gè)盤上的電纜盤，應(yīng)記錄其內(nèi)外層電纜的長度和纏繞次序，以利于合理安排敷設(shè)。For the same cable drum twisted by multi-cables, to facilitate to direct properly layout, the length of inner and outer layer cable and twisted order should be recorded.b、電纜出庫運(yùn)輸過程

6、中，采用機(jī)械吊裝和運(yùn)輸，嚴(yán)禁將電纜盤直接由車上推下，同時(shí)電纜盤不應(yīng)平放運(yùn)輸和貯存。 During the course of sending cable out of warehouse, follow mechanical hoisting and delivery. No pushing cable drum from truck directly. Meanwhile, cable drum shall not be placed, delivered or stored horizontally.短距離的運(yùn)輸可采用滾動(dòng)電纜盤的方法。但必須順著電纜盤上的箭頭指示或纏緊方向滾動(dòng)。 For

7、short-distance transportation, rolling cable drum is available. However, rolling direction must be consistent with that of arrow indication on drum or cable winding. c、 電纜出庫后應(yīng)集中分類存放，盡可能存放在開始敷設(shè)電纜處的附近。盤間留有通道，存放處不得積水。 After sending cable out of warehouse, store them collectedly and classifiably. Place

8、them as near of the place, where begin to layout cable, as possible. Keep access among cable drums, and no accumulated water at depositing site. (2) 電纜敷設(shè)前建筑工程應(yīng)具備的條件：Prior to layout, civil works shall possess the following terms:a、電纜溝、隧道、豎井、人孔等處的地坪及抹面工作結(jié)束。Completion of grade and mortar for cable tren

9、ch, tunnel, well, manhole.b、電纜夾層、電纜溝、橋架內(nèi)的施工臨時(shí)設(shè)施模板、建筑廢料已清理干凈。施工用道路暢通蓋板齊全，電纜溝排水暢通，電纜夾層門窗安裝完畢。Temporary boards and waste materials, used for cable interlayer, trench, and tray, have been completely removed. Cover-plates for access road are all ready, and trench drainage is free. Doors and windows on ca

10、ble interlayer have been installed. (3)電纜敷設(shè)前電氣專業(yè)應(yīng)具備的條件：a、 電纜的起點(diǎn)及終點(diǎn)設(shè)備已安裝完畢，位號標(biāo)識準(zhǔn)確清楚。Having mounted plants at place of cables starting point and end. And their Tag Numbers are identified corrected and clearly.b、 電纜敷設(shè)表編制完畢，表冊中應(yīng)標(biāo)明每根電纜使用的電纜盤號，敷設(shè)的先后次序，Having compiled list of cable layout, in which Drum No

11、. applied by each cable and layout order should be indicated.c、 敷設(shè)次序應(yīng)是先遠(yuǎn)距離，后近距離。根據(jù)設(shè)計(jì)和電纜的實(shí)際情況，合理安排，避免浪費(fèi)和接頭。Layout order is from distant to close. According to design and cables real condition, assign reasonably and avoid waste and joint.d技術(shù)交底和安全技術(shù)交底已做完，并存記錄卡。Having finished technical talk and safety

12、technical talk, and preserved record card.e當(dāng)電纜沿橋架敷設(shè)時(shí)，若沒有人行通道應(yīng)事先沿全長搭設(shè)腳手架，綁扎牢固。While layout cable along tray, if nonexistence of sidewalk, set up scaffolding and band tightly along the whole tray in advance.f 輔助材料供貨到位，如電纜扎帶、電纜標(biāo)牌、電纜標(biāo)志樁等。Accessory materials, such as cable tie, cable brand and column, ar

13、e ready.電纜的電氣絕緣已檢查，試驗(yàn)項(xiàng)目包括下列內(nèi)容：Electric insulation inspection for cable has performed. Including the following test items.測量絕緣電阻，即測量各電纜線芯對地或?qū)饘倨帘螌雍途€芯間的絕緣電阻。Measuring insulation resistance.Insulation resistance of each core versus earth, versus metallic shield other core shall be measured.直流耐壓試驗(yàn)及泄露電流測

14、量（其試驗(yàn)要求見GB5015091）DC voltage-withstand test and leakage current measurement. Test requirement refer to GB50150-91)a、 敷設(shè)電纜使用的電線滑車（滾輪），牽引設(shè)備已安裝到位，電纜滑車每3米1個(gè)，以電纜不拖地為原則。大規(guī)模敷設(shè)電纜時(shí)，事先應(yīng)準(zhǔn)備好廣播器材，對講機(jī)、半導(dǎo)體、喊話器等。 Pulley or roller and draught equipment used for cable layout have been installed. Set a pulley every 3

15、meters. The principal is that cable should not touch ground. When layout cable in force, prepare for broadcast appliances ahead such as talk about, radio, speaker.b、針對敷設(shè)電纜時(shí)的具體情況，技術(shù)人員和施工負(fù)責(zé)人應(yīng)編制出勞動(dòng)力分布圖，指明每個(gè)關(guān)鍵部位的負(fù)責(zé)電工及所需人數(shù)，責(zé)任到人，在技術(shù)交底時(shí)予以公布。According to local specific condition, prior to layout, technician

16、 and construction header should compile labor distribution chart, point out responsible electrician and necessary number of employee at important place to ensure everyone see his own duty. Above items shall be declared when executing technical talk. (4)、橋架內(nèi)電纜敷設(shè)Layout cable inside tray.a安裝質(zhì)量要求 Instal

17、lation quality requirements: 電纜的最小彎曲半徑應(yīng)符合GB50168一92的規(guī)定，即：The minimum bending radius should conform to Norm of GB50168-92.多芯控制電纜 10D聚氯乙烯絕緣電力電纜 10D聚氯乙烯絕緣電力電線多芯 15D交聯(lián)聚乙烯絕緣電力電線單芯 20D注D為電纜外徑。Multi-core control cable 10DPVC insulated power cable 10DPVC insulated multi-core power cable 15DLinking PVC insul

18、ated one-core power cable 20DNote: D is outer diameter.電纜的固定要求：橋架上垂直敷設(shè)每隔2m處，水平敷設(shè)的電纜首末兩端及轉(zhuǎn)彎、電纜接頭兩端處應(yīng)加以固定， Requirements for fastening cable:Fix cable every 2 meters when laying cable vertically. For horizontal layout cable, fixing it at the beginning and end, two sides of corner and joint.交流系統(tǒng)的單芯電纜應(yīng)使固

19、定夾具不構(gòu)成閉合磁絡(luò)，且按正三角形排列，每隔1m用綁帶扎牢。For AC one-core cable, fixing it with special clamp not to form closed magnetic loop and arraying it in form of pure triangle. Banding tightly every 1 meter.橋架上交流三芯電力電線不宜超過2層控制電纜不宜超過三層。AC multi-core power cable should be not beyond 2 layers, and control cable no more th

20、an 3 layers.電纜的排列：高低壓電力電纜、強(qiáng)電弱電控制電纜應(yīng)按順序分層配置，高壓與低壓增加隔板。Arraying order of cable: Place high and lower voltage power cable, intensive and faint control cable in layer and in sequence. Add partition between high and lower voltage power cable.b、敷設(shè)方法 Layout method: 電纜應(yīng)從電纜盤上部引出，同時(shí)檢查是否有套扣現(xiàn)象，將寫好的電纜編號交專人負(fù)責(zé)貼在電纜

21、首末端。Pulling cable from the upper direction of drum. Meanwhile, checking whether existence of cable-wring or not. Make special employee to stick prepared cable number on both ends of cable. 橋架上所有電纜全部敷設(shè)完畢，即時(shí)安裝蓋板，達(dá)到防護(hù)的目的。After completion of all cable layout inside tray, installing covers timely to prot

22、ect.(5)、地埋電纜的敷設(shè)方法及質(zhì)量要求Layout method and quality requirements for buried cable under ground:a、質(zhì)量要求：Quality Requirements:電纜上表面距地坪面不小于07m。0.7m is the least distance from the upper side of cable to grade.電纜上邊及下邊應(yīng)復(fù)以100mm的軟土或沙層，并蓋上紅磚或混凝土板。Fill 100mm thickness soft earth or fine sand around cable up and do

23、wn, and cover red brick or concrete plate. 電纜之間、電纜與其它管道、道路、建筑物等之間平行和交叉時(shí)的最小凈距應(yīng)符合GB5016892的表543的要求。When existing parallel or crossing between cable and cable, cable and other pipes, roads, or architectures, the minimum distance should conform to Table of 5.4.3 in GB50168-92.嚴(yán)禁將電纜平行敷設(shè)于管道的上方或下方。No layin

24、g cable over and under pipes in parallel過路保護(hù)管伸出道路路基兩邊各2m伸出排水溝0.5m。While protection pipe spreading road base, 2m should be left each side of base and 0.5m is required while spreading drainage直埋電纜在直線段每隔50100m處或電纜接頭處、轉(zhuǎn)彎處、進(jìn)人建筑物處應(yīng)設(shè)置明顯的標(biāo)樁。. Setting identical columns for direct buried cable at the straight

25、 line each 50-100m, at joint or swerving place and at entrance to architecture. 電纜的彎曲電纜應(yīng)符合要求。Cable bending should conform to requirementb、敷設(shè)方法 Layout method:估工估料：大型的電纜敷設(shè)應(yīng)做這項(xiàng)工作，在詳細(xì)研究工程設(shè)計(jì)書后，到現(xiàn)場勘察線路地形并了解情況，然后制訂出技術(shù)措施和安全措施，并核對設(shè)計(jì)用料是否正確，根據(jù)工程情況決定敷設(shè)方式，是采用人工敷設(shè)，還是采用機(jī)械化敷設(shè)。Estimate works quantity and necessary m

26、aterials: It is required to lay large-sized cables. After studying design documents for engineering detailed, go to local field to explore lines landform and learn real environment. And then, write out technical and safety measures and check whether design materials are correct or not. According to

27、engineering condition, decide layout method: by manpower layout or machine layout材料、工具準(zhǔn)備：敷設(shè)電纜所需的機(jī)具設(shè)備，如卷揚(yáng)機(jī)、鋼絲網(wǎng)套、千斤頂、滑輪以及鐵鍬等都應(yīng)需要事先備好。電纜及保護(hù)蓋板等材料，最好按施工計(jì)劃日期直接發(fā)運(yùn)到施工現(xiàn)場，以節(jié)約人工費(fèi)用。Prepare for materials and tools: Machines and tools needed for laying cable should be all ready in advance, such as hoist, steel-wi

28、re net, jack, rolling wheel and shovel. To economize lab our cost, we had better to deliver directly cable and cover plate to site in reference to construction plan date.對外聯(lián)系工作：敷設(shè)電纜線路影響到農(nóng)田、園林、公共道路、市區(qū)交通等情況應(yīng)事先與農(nóng)村政府、園林部門、鐵路局、交通隊(duì)等聯(lián)系，辦妥有關(guān)手續(xù)后方可施工。決定電纜中間接頭的位置。當(dāng)電纜線絡(luò)較長有中間接頭的情況下，要事先選擇合適的接頭位置，因中間接頭故障率較電纜本體為多，因

29、此要考慮檢修問題，故不要將位置選擇在道路交叉口，或與其它地下管線交叉的地方。在設(shè)計(jì)的電纜線絡(luò)上開挖試探樣洞，其主要目的是調(diào)查土壤及地下管線布置情況，深度1m。In order to study soil and distribution of underground pipelines, excavate exploring sample holes, 1m in depth, along the designed cable line.放樣：根據(jù)設(shè)計(jì)圖和土層調(diào)查情況，用石灰粉畫出挖土范圍Performing sample:On the basis of design drawings and

30、 soil terms, drawing out excavation region with lime powder敷設(shè)過路保護(hù)管，可采用不開挖路面的頂管方法，如果有困難應(yīng)按路寬分半施工，必要時(shí)夜間施工。. When laying protective pipe through road, pushing pipe with jack is available instead of excavating ground. If it is difficult to construct, doing it on base of half of road width. If necessary,

31、constructing at night.挖土：施工地點(diǎn)周圍應(yīng)設(shè)置警告標(biāo)志，挖出的泥土應(yīng)放置在溝邊03m以外，電纜溝的挖掘還必須保證電纜敷設(shè)后的彎曲半徑不小于規(guī)定值，寬度、深度按設(shè)計(jì)要求開挖。Excavating:Placing warning symbols around construction location. Excavated soil should be piled and more than 0.3m is required away trenchs edge. In addition, excavation must ensure bending radius of cab

32、le is no less than regulated value. Width and depth for excavation should conform to design.敷設(shè)電纜準(zhǔn)備工作。敷設(shè)前應(yīng)整理土溝，將溝內(nèi)石子或其他雜物清除，然后在溝中放置滑輪，每3m一個(gè)，轉(zhuǎn)角處加放轉(zhuǎn)角滑輪，保護(hù)電纜的蓋板沿開挖的電纜溝分放好。同時(shí)將電纜推滾到所需位置架設(shè)好。Preparation for direct buried cable layout:Before layout, clean inner stones or other waste things up and mend trench

33、, then place pulley into trench every 3m, and add corner pulley at the corner. Set cover plate along excavated cable trench, roll cable drum to proper location and put it onto rack.當(dāng)敷設(shè)大截面和較長電纜時(shí)可采用卷揚(yáng)機(jī)等機(jī)械化方法（長沙及武漢電纜附件廠有成套設(shè)備）敷設(shè)。敷設(shè)時(shí)拖拽電纜可用特制的鋼絲網(wǎng)套套在電纜端頭上。機(jī)械化敷設(shè)電纜有以下要求：While laying large cross sectional are

34、a and longer cable, following mechanization method such as hoist is available (Changsha and Wuhan cable accessory factory possess sets of equipments). Dragging cable with special making steel wire net tied at the beginning of cable. Note the following requirements when adopting mechanization method:

35、電纜最大牽引強(qiáng)度（N/mm2）牽引方法牽引頭鋼絲網(wǎng)套受力部位銅芯鋁芯鉛套鉛套塑料護(hù)套允許牽引強(qiáng)度704010407 Max. Draught Stress of Cable (N/mm2)Draught MethodDraught EndSteel Wire Net and SheathPressurized sectionCopper coreAluminumcoreLead SheathLeadSheathPlastic SheathAllowable stress degree704010407另外，速度不宜超過15m/min，應(yīng)在牽引頭或鋼絲網(wǎng)套與牽引鋼纜之間裝設(shè)防捻器。 Whats

36、more, layout speed should not surpass 15 m/min., splice-proof shall be set between draught head or steel wire net and draught cable.施放電纜時(shí)無論在任何情況下，都不能讓電纜在地上拖拉，電纜到位后，可逐段將電纜提起，移去滑輪，并將電纜放在溝底，在電纜需做中間頭的地方，要留有余度，在敷設(shè)過程要統(tǒng)一指揮，互通信息。When laying cable, no dragging cable along ground in no case. After cable reach

37、 its position, lift it step by step, remove pulley, and then put it at the bottom of trench. Leave spare length at the place of middle joint.電纜敷設(shè)完畢，請甲方及監(jiān)理驗(yàn)收隱蔽工程，技術(shù)人員做好敷設(shè)記錄。然后回填，應(yīng)分層夯實(shí)，安裝電纜標(biāo)樁。In one word, during the course of cable layout, direct unanimously and communicate each other. After completio

38、n of cable layout, invite client and supervisor to accept concealed works. Meanwhile, technicians should finish layout recorder. Then, backfill and tamp trench learnedly. Install cable identification column.(6)、敷設(shè)電纜時(shí)，電纜允許敷設(shè)最低溫度，在敷設(shè)前24h內(nèi)的平均溫度，以及敷設(shè)現(xiàn)場的溫度不應(yīng)低于以下規(guī)定，但溫度低于以下規(guī)定時(shí)應(yīng)采取措施。Temperature requirements

39、:While laying cable, the lowest allowable layout temperature, average temperature of 24 hours prior to layout and site temperature should be no lower than following regulations. Take some measures when temperature is lower than that of regulation.電纜允許敷設(shè)最低溫度（摘自GB5016892）電纜類型電纜結(jié)構(gòu)允許鋪設(shè)最底溫度（）塑料絕緣電力電纜0控制電

40、纜聚氯乙烯絕緣聚氯乙烯護(hù)套-10Lowe rest. temp. for allowable cable layout (GB50168-92)Type of cableStructure of cableLowe rest temp. for layout()Plastic insulated power cable0Control CablePVC insulated PVC sheath-104、安全技術(shù)措施現(xiàn)場工作人員必須按規(guī)定穿工作服進(jìn)人現(xiàn)場必須戴好安全帽，高空作業(yè)系掛安全帶，辦理高空作業(yè)證。電纜運(yùn)輸裝卸，腳手架搭設(shè)應(yīng)有專業(yè)起重工作業(yè)指揮。電纜盤的架設(shè)應(yīng)水平穩(wěn)固，電纜盤引出電纜側(cè)不應(yīng)站人，防止傾倒傷人。電纜敷設(shè)時(shí)，在電纜轉(zhuǎn)角的內(nèi)側(cè)不得站人，以防擠傷，或采取妥善的防護(hù)措施，在橋架上敷設(shè)電纜時(shí)應(yīng)有防止電纜因一點(diǎn)滑落掉地而引起全段滑落的措施。滾動(dòng)電纜盤時(shí)，防止電纜盤碾傷人的腳部。廠房內(nèi)，管廊架上敷設(shè)電纜，所有設(shè)備孔、予留孔應(yīng)加蓋板，無欄桿的地方加安全網(wǎng)。在較封閉的場所敷設(shè)電纜，其照明通風(fēng)應(yīng)符合要求。防火防爆：a、敷設(shè)電纜時(shí)，作業(yè)上方不應(yīng)有電氣焊施焊，以免損壞電纜。b、在易燃易爆場所附近施工，應(yīng)嚴(yán)禁吸煙和使用明火，所用的工具器材應(yīng)符合安全規(guī)定的要求