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某廠區(qū)室外中壓電纜敷設(shè)施工方案-在線瀏覽

2025-06-19 00:21本頁面
  

【正文】 ...............................................................................14 質(zhì)量保證資料 QUALITY ASSURANCE INFORMATION.......................................................................14 施工記錄 CONSTRUCTION OF RECORD................................................................................................15十三. 安全生產(chǎn)、文明施工要求和措施 SAFETY AND CIVILIZED CONSTRUCTION REQUESTS AND MEASURES .............................................................................................................................................................15一. 概況 Overview 工程概況 Project Overview項(xiàng)目名稱: TDI 聯(lián)合裝置廠區(qū)中壓電纜敷設(shè)施工。Project name: TDI Train Plant Medium Voltage Cable Pulling Work.3 / 14本工程涉及三個(gè)變電站,分別是現(xiàn)有的 220/35kV A472 變電站、現(xiàn)有的 35/10kV B301S 變電站以及新建的 35/10kV C581 變電站,工作內(nèi)容為三個(gè)變電站之間和從三個(gè)變電站接至 MV 用戶的電力電纜、控制電纜、接地電纜的敷設(shè)。其中:一路引至 B301S 建筑(35/10kV 變電站)原 1主變,原 1主變電纜將抽出,與新增 4主變連接;另兩路引至 35/10kV C581 變電站 1主變和 2主變。去 C581 的兩路 35kV 線路,敷設(shè)時(shí)沿不同路徑,以避免兩回線路同時(shí)受損。 the other two outgoings are led to 35/10kV C581 1 and substation 2 main transformer. Use FSYJY26/35kV1 * 300mm2 singlecore cables for Loop and buried pulling. Two 35kV lines to C581 are laid along different paths to avoid damage of the two loops.2) B301S 建筑(35/10kV 變電站)出線回路:B301S building (35/10kV substation) outlet circuit:由 B301S 變電站引出 7 路 10kV 出線?;芈凡捎?10kV 截面為95mm2 的三芯鎧裝電纜,由 B301S 南面現(xiàn)有的電纜井引出直埋至裝置。其中,變壓器回路采用 10kV 截面為 185mm2 的三芯鎧裝電纜,馬達(dá)回路采用 10kV 截面為 95mm2 的三芯鎧裝電纜。10 10kV lines led from C581 are used to supply power to A50739。以上電纜線路均沿規(guī)劃路徑埋地敷設(shè)。The current signal installed on motor in the HCL devices site passes through a buried armored control cable direct access to 10KV switchgear.由變壓器出線柜去 C581 以外的變壓器,采用兩根分別為 10*、4* 2 屏蔽鎧裝控制電纜,由中壓轉(zhuǎn)接柜引出,與中壓電纜同路徑敷設(shè)至相關(guān)變壓器室。Transformer outlet cabis are connected to other transformers not in C581 by using two 10 * , 4 * shield sheathed control cable respectively. The 10 * cable directly is connected to the temperature control box and 4 * cable are led out from transformer room, along the bridge to the relevant PCS floor ATS cabi. 二.編制依據(jù) Compilation Basis1)根據(jù)電氣包(中壓部分)招標(biāo)文件及招標(biāo)圖紙編制而成。Based on full study on construction characteristics and objective situation and bined with similar construction experience.3)在本方案編制過程中,嚴(yán)格執(zhí)行國家現(xiàn)行建筑和安裝工程施工及驗(yàn)收規(guī)范、規(guī)程、標(biāo)準(zhǔn)、設(shè)計(jì)規(guī)范。Compile particular cable trench construction engineering guide book as per project characteristics and anize promptly drawings joint examination.2) 根據(jù)上海市電力建設(shè)工程施工工藝實(shí)施細(xì)則結(jié)合本工程實(shí)際編寫電纜溝施工工藝卡,并組織實(shí)施。Construction workers have prehensive understanding antecedents, destination, and laying path of laying cables. 材料準(zhǔn)備 Material Preparation1) 所有材料規(guī)格型號(hào)及電壓等級(jí)應(yīng)符合設(shè)計(jì)要求,并有產(chǎn)品合格證。電纜盤應(yīng)完好無損。電纜外皮及絕緣展無老化及裂紋。測(cè)量絕緣用兆歐表的額定電壓,采用如下等級(jí):Before laying carry out insulation rolling test or voltage withstand test. Use megger rated voltage to measure insulation. Take the following level:10KV 和 35KV 電纜:用 2500V 兆歐表。 When cable testing is pleted, cover it with rubber materials immediately. 5) 按設(shè)計(jì)和實(shí)際路徑計(jì)算每根電纜的長度,合理安排每盤電纜,無電纜接頭。Cable protection sleeve has been embedded. Clean pipe residue and protect nozzles.7) 其它附屬材料:電纜標(biāo)示樁、電纜標(biāo)志牌、油漆、汽油、封鉛、硬脂酸、白布帶、橡皮包布、黑包布等均應(yīng)符合要求。 Winches, bracket and shaft for cable laying, cable roller, transfer guide wheel, hanging chain, pulleys, wire rope, large hemp rope, jacks. 絕緣搖表、皮尺、鋼鋸、電纜端接線工具、手錘、扳手、電氣焊工具、電工工具、彎管機(jī)、砂輪機(jī)、電纜走向牌打印機(jī)、電纜號(hào)牌機(jī)、噴燈。Walkietalkies, handheld loudspeakersZC 型兆歐表(檢測(cè)絕緣電阻用) 、高壓試驗(yàn)設(shè)備(交流耐壓及泄漏試驗(yàn)用)ZCtype megger (insulation resistance test), and highvoltage test equipment (AC withstand voltage and leakage test) 作業(yè)環(huán)境準(zhǔn)備 Work Environment Preparation6 / 14廠區(qū)電纜溝的開挖及過路管的預(yù)埋工作已經(jīng)完成,電纜溝內(nèi)無積水,其深度應(yīng)滿足規(guī)范要求,底砂鋪好,溝內(nèi)無雜物。Site clean up the roads unimpeded放電纜用的設(shè)備安置完畢,且符合安全要求,電纜沿線照明照度滿足施工要求。滾動(dòng)時(shí)應(yīng)按電纜軸上箭頭指示方向滾動(dòng)。Use truck or crane to transport cables. Roll cableaxis according to direction indicated by arrow sign on it. In Longdistance transportation, use truck or crane to transport heavy cable trays. If without the arrow sign, roll it according to its wrapping direction.2) 電纜支架的架設(shè)地點(diǎn)應(yīng)選好,以敷設(shè)方便為準(zhǔn),一般應(yīng)在電纜起止點(diǎn)附近為宜。電纜放線架應(yīng)放置穩(wěn)妥,鋼軸的強(qiáng)度和長度應(yīng)與電纜盤重量和寬度相配合。Select a proper setup place as per convenient to pave. Generally place it near the start or end point of cable. Be aware of rolling direction of cable axle, and keep payoffrack steady. Cable rack should be placed securely, and the steel shaft intensity and length should match the cable tray weight and width. Check and debug the cable laying and have reliable brake devices 卷揚(yáng)機(jī)與滑輪的布置 Winch and Pulley Arrangement在線路的另一端布置好卷揚(yáng)機(jī),并準(zhǔn)備好滑輪,約 ~2m 布置一個(gè)平面滑輪,每個(gè)轉(zhuǎn)角布置一個(gè)轉(zhuǎn)角滑輪,并每隔 20~30m 安排一個(gè)工人看護(hù)。Arrange a winch and pulleys at the end of the line. Arrange one planar pulley every ~2m, a quarter block at each corner and a watch out worker every20 ~ 30m .Windlass is fixed with ground anchor corner and pulley with steel pipes。當(dāng)采用機(jī)械牽引時(shí),用機(jī)械的最大牽引強(qiáng)度宜滿足下表的規(guī)定,其速度不宜超過 15m/min,且應(yīng)在牽引頭或鋼絲網(wǎng)套與牽引鋼纜之間裝設(shè)防捻器。 T for traction (N)。 L is cable le
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