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1、隨風(fēng)飄落電纜溝開挖施工方案Work Method of Cable Trench Excavation 編 制：Compiled by: 審 核：Reviewed by:2009年10月21日October 21, 2009名目Content一. 概況 OVERVIEW31.1 工程概況 PROJECT OVERVIEW31.2 施工范圍 SCOPE OF WORK3二編制依據(jù) COMPILATION BASIS4三施工工藝流程CONSTRUCTION PROCESS:4四. 前期預(yù)備PREPARATIONS44.1 技術(shù)預(yù)備TECHNICAL PREPARATION44.2 材料預(yù)備MATE

2、RIAL PREPARATION54.3 主要機(jī)具預(yù)備MAIN EQUIPMENTS PREPARATION54.4 作業(yè)環(huán)境預(yù)備OPERATING ENVIRONMENT PREPARATIONS5五. 電纜溝施工CABLE TRENCH CONSTRUCTION55.1 電纜溝測(cè)量、定位CABLE TRENCH MEASUREMENT AND POSITIONING55.2 電纜溝開挖CABLE TRENCH EXCAVATION6六. 質(zhì)量把握QUALITY CONTROL76.1 電纜溝外形尺寸允許偏差表ALLOWABLE DEVIATED EXTERNAL DIMENSIONS OF

3、 CABLE TRENCH TABLE76.2 應(yīng)留意的質(zhì)量問題QUALITY ISSUES8七. 成品愛護(hù)FINISHED PROTECTION8八. 施工記錄CONSTRUCTION OF RECORD8九. 平安生產(chǎn)、文明施工要求和措施SAFETY AND CIVILIZED CONSTRUCTION REQUESTS AND MEASURES9附廠區(qū)電纜溝圖： ATTACHED: CABLE TRENCH DRAWING9一. 概況 Overview1.1 工程概況 Project Overview項(xiàng)目名稱：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

4、/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、把握電纜、接地電纜敷設(shè)所需電纜溝的開挖工程。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 tre

5、nch excavation project among three substationsand for MV users connected to the three substations. 1.2 施工范圍 Scope of Work1) 由A472變電站引出3路35kV出線。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。回路接受FS-YJY-26/35kV-1*300mm2單芯電纜，直埋敷設(shè)。去C581的兩路35kV線路，敷設(shè)時(shí)沿不同路徑，以避開兩回線路同時(shí)受損。P

6、ull three 35V outgoings from A472 substation. Of which: The first outgoing is led to B301S Building (35/10kV substation) the original one # main transformer, pull the original one # main transformer cable out, and connect to the adding 4 # main transformer; the other two outgoings are led to 35/10kV

7、 C581 # 1 and substation 2 # main transformer. Use FS-YJY-26/35kV-1 * 300mm2 single-core cables for Loopand buriedpulling. Two 35kV lines to C581 are laid along different paths to avoid damage of the two loops.2) 由B301S變電站引出7路10kV出線。全部引至B399中心制冷站?；芈方邮?0kV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。Pull 7

8、10kV outgoings from B301S substation to B399central refrigeration station. Loop uses 10kV three-core armored cable with cross-section 95mm2 and pullout from the existing cable well in the south of B301S then buried layto the device. 3) 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

9、酸裝置氯氣壓縮機(jī)1臺(tái)，鹽酸壓縮機(jī)1臺(tái)供應(yīng)電源。其中，變壓器回路接受10kV截面為185mm2的三芯鎧裝電纜，馬達(dá)回路接受10kV截面為95mm2的三芯鎧裝電纜。以上電纜線路均沿規(guī)劃路徑埋地敷設(shè)。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

10、 hydrochloric acid 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) 接地電纜回路：Ground cab

11、le loop: 從A472敷設(shè)一根95mm2裸銅線去C581，同時(shí)從C581敷設(shè)四根95mm2裸銅線，分別引至B551、A507、B553和C521，作等電位聯(lián)結(jié)。以上電纜線路均沿規(guī)劃路徑埋地敷設(shè)。Lay a 95mm2 bare copper wire to C581 from A472. Meanwhile lay four bare copper wiresto B551, A507, B553 and C521for equipotential bonding. All cable lines will be laid underground along the planning p

12、ath.5）本工程電纜溝走向如下：The cable trench directions are as follows:電纜溝南線為A472至C581，全長(zhǎng)約850米，依據(jù)K-K斷面圖：開挖深度為1米，溝槽底寬0.6米，溝槽面寬約1.1米。 Cable trench south lineis from A472 to C581about 850 meters long. According to KK sectional drawing, excavation depth is of 1 meter with trench bottom width 0.6 m and face width1.

13、1 m.電纜溝北線為A472至C581和B301，其中共線約220米，依據(jù)A-A斷面圖有：開挖深度為1米，溝槽底寬1米，溝槽面寬約1.5米；Cable trench north line is from A472 to C581 and B301 and the collinear is about 220 meters.According to AA sectional drawing, excavation depth is 1 meter trench with trench bottom width 1 m and face width1.5 m.至C581支線約430米，依據(jù)E-E斷

14、面圖有：開挖深度為1米，溝槽底寬0.6米，溝槽面寬約1.1米；至B301支線約300米，依據(jù)B-B斷面圖有：開挖深度為1米，溝槽底寬0.6米，溝槽面寬約1.1米。The sub-line the C581 is about 430 meters.According to EE sectional drawing excavation depth is 1 meter trench with trench bottom width 1 m and face width1.1 m.The sub-line to B301the is about 300 meters.According to BB

15、 sectional drawing , excavation depth is 1 meter trench with trench bottom width 1 m and face width1.1 m.二編制依據(jù) Compilation Basis1）依據(jù)電氣包（中壓部分）招標(biāo)文件及招標(biāo)圖紙編制而成。According to Electric package (MV) the tender and tender drawings.2）在充分爭(zhēng)辯工程的客觀狀況和施工特點(diǎn)，結(jié)合我公司類似工程施工閱歷的基礎(chǔ)上編制的。Based on full study on construction ch

16、aracteristics and objective situation and combined with similar constructionexperience.3）在本方案編制過程中，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。具體如下：In this compilation process, strictly implement current national construction and installation construction, acceptance norms, procedures, standards, and design specifications. As follow