【正文】
F3=5550N,則 L3=5550/(**)=733mP1=2100/=4200N P2=2850/=2192NP3=5550/=3700N 所以,采用塑料護(hù)套直接拉動(dòng)電纜時(shí),35KV 電纜每次允許拉 428m 電纜,其側(cè)壓力為4200N;10KV 95mm 2 的電纜每次允許拉 600m,其側(cè)壓力為 2192N;10KV 185mm2 的電纜每次允許拉 733m,其側(cè)壓力為 3700N。Make temporary signs at both ends of cables. Identify cable loop and yellow, green, red phases. 電纜敷設(shè)、固定 Cable Laying and Fixing 1)電纜彎曲半徑應(yīng)符合規(guī)范要求,在溝內(nèi)敷設(shè)應(yīng)有適當(dāng)?shù)纳咝螐潱娎|的兩端、中間接頭、穿管處、垂直位差處均應(yīng)留有適當(dāng)?shù)挠嘧儭sk construction unit, supervision and quality supervision departments accept concealed project, make records and do the signature. 2) 電纜上面與電纜下面一樣,覆蓋 10cm 砂土或軟土,然后用磚或電纜蓋板將電纜蓋好,覆蓋寬度應(yīng)超過(guò)電纜兩側(cè) 5cm。The signs should indicate cable numbers, specifications, models and voltage level. 3) 直埋電纜進(jìn)出建筑物及電纜終端頭應(yīng)掛標(biāo)志牌。 take protection flame proof, heat insulation and corrosion matures.2) 電纜的埋置深度應(yīng)符合下列要求:①電纜表面距地面的距離不應(yīng)小于 ,且電纜應(yīng)埋在凍土層以下。如已提前將電纜敷設(shè)完,其它地下工程施工時(shí),應(yīng)加強(qiáng)巡視。Alignment measure map十三. 安全生產(chǎn)、文明施工要求和措施 Safety and Civilized Construction Requests and Measures 1) 堅(jiān)持貫徹國(guó)家勞動(dòng)法規(guī)政策和公司現(xiàn)行安全規(guī)章制度,采取切實(shí)可行的預(yù)防措施,杜絕安全事故發(fā)生,進(jìn)入施工現(xiàn)場(chǎng)必須統(tǒng)一著裝,正確使用個(gè)人勞保用品(勞保鞋、保護(hù)眼睛、手套、安全帽) 。No smoking and alcohol during working period.6) 施工前做好技術(shù)交底和安全交底,對(duì)工人講明工作中的安全注意事項(xiàng),并做好 JHA。To implement certified operating system, special types of work must have a permit to operate. Those without certificate are not allowed to enter site, records must be made. Continuously improve the working conditions and keep the safety measures for each worker.3) 所有工作機(jī)具都經(jīng)過(guò)業(yè)主驗(yàn)收合格后,貼上標(biāo)簽,方可使用。 Install doors and windows and lock on cable both ends, to prevent loss or damage.十二. 質(zhì)量記錄 Quality Record 質(zhì)量保證資料 Quality Assurance Information 1) 電纜產(chǎn)品合格證 Cable product certification2) 電纜絕緣搖測(cè)記錄或耐壓試驗(yàn)記錄 Cable insulation test rolling or voltage withstand records14 / 143) 隱蔽工程驗(yàn)收記錄 Concealed project acceptance 施工記錄 Construction of Record1) 自互檢記錄。應(yīng)嚴(yán)格按規(guī)范和工藝要求施工。Test Method: Check test records.2) 電纜敷設(shè)必須符合以下規(guī)定:電纜嚴(yán)禁有絞擰、鎧裝壓扁、護(hù)層斷裂和表面嚴(yán)重劃傷等缺損,直埋敷設(shè)時(shí),嚴(yán)禁在管道上面或下面平行敷設(shè)。電纜直線段每隔 50100m處應(yīng)加設(shè)間距適當(dāng)?shù)穆窂綐?biāo)樁。同一電纜溝內(nèi)敷設(shè)的不同回路的電纜中心間距為 20cm。Pull cable from the upper plate to avoid friction on the ground. Armored cable may not be crushed. Do not have cable twisted, retaining layer fracture and other not eliminated mechanical damage. 4)人員合理配備。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(guò) 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。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。 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。電纜外皮及絕緣展無(wú)老化及裂紋。Based on full study on construction characteristics and objective situation and bined with similar construction experience.3)在本方案編制過(guò)程中,嚴(yán)格執(zhí)行國(guó)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。10 10kV lines led from C581 are used to supply power to A50739。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 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 pulling among three substations and for MV users connected to the three substations. 施工范圍 Scope of Work1) A472 建筑(220/35kV 變電站)出線回路:A472 Building(220/35kV substation) outlet circuit由 A472 變電站引出 3 路 35kV 出線。Pull 7 10kV outgoings from B301S substation to B399central refrigeration station. Loop uses 10kV threecore armored cable with crosssection 95mm2 and pull out from the existing cable well in the south of B301S then buried lay to the device. 3) C581 建筑(35/10kV 變電站)出線回路:C581 building (35/10kV substation) outlet circuit:由 C581 引出 10 路 10kV 線路,分別為 A507 的四臺(tái)變壓器,B551 的兩臺(tái)變壓器,B553TDA 裝置氫氣壓縮機(jī) 2 臺(tái),C521 鹽酸裝置氯氣壓縮機(jī) 1 臺(tái),鹽酸壓縮機(jī) 1 臺(tái)提供電源。其中,10* 電纜直接接至溫控箱,4* 電纜可集中從某間變壓器室引出,沿橋架至相關(guān) PCS 樓 ATS 柜。All material specifications, models and voltage level should meet design requirements and have product certificates. 2) 每盤(pán)電纜上應(yīng)標(biāo)明電纜規(guī)格、型號(hào)、電壓等級(jí)、長(zhǎng)度及出廠日期。Calculate each cable length according to design and actual path. Arrange each cable reasonably without cable joints. 6) 電纜保護(hù)套管已經(jīng)預(yù)埋好,故只需要清理管內(nèi)殘?jiān)?,并作好管口保護(hù)。Cable laying equipment has placed, and meets safety requirements. Cable lighting illumination along the route meets the construction requirements.五. 敷設(shè)施工 Work of Cable Pulling 電纜敷設(shè)施工工序 Work Procedure機(jī)具布置→電纜展放→電纜敷設(shè)、固定 Equipment layout → Lay off cable→lay cable and fix 機(jī)具布置 Layout of Tools 電纜的搬運(yùn)及支架架設(shè) Cable Removal and Cable Tray 1) 電纜搬運(yùn)須用卡車或吊車運(yùn)輸。卷?yè)P(yáng)機(jī)用地錨固定,轉(zhuǎn)角滑輪用鋼管固定,平面滑輪無(wú)需固定。Therefore, pull the cable with plastic sheath. Each time the allowable length of 35KV cable is 428m and its lateral pressure is 4200N。Cable bend radius should meet specifications, and pull cable in the trench should