室外電纜溝施工方案中英文

1、電纜溝開挖施工方案Work Method of Cable Trench Excavation編 制： Compiled by:審 核： Reviewed by:2018年 10月 21日October 21, 2018目錄Content概況 OVERVIEW工程概況 PROJECT OVERVIEW1.2施工范圍 SCOPE OF WORK編制依據(jù) COMPILATION BASIS施工工藝流程 CONSTRUCTION PROCESS:四.前期準(zhǔn)備 PREPARATIONS4.1技術(shù)準(zhǔn)備 TECHNICAL PREPARATION4.2材料準(zhǔn)備 MATERIAL PREPARATION4.

2、3主要機(jī)具準(zhǔn)備 MAIN EQUIPMENTS PREPARATION4.4作業(yè)環(huán)境準(zhǔn)備 OPERATING ENVIRONMENT PREPARATIONS五.電纜溝施工 CABLE TRENCH CONSTRUCTION5.1電纜溝測(cè)量、定位 CABLE TRENCH MEASUREMENT AND POSITIONING 45.2電纜溝開挖 CABLE TRENCH EXCA VATION六.質(zhì)量控制 QUALITY CONTROL電纜溝外形尺寸允許偏差表 ALLOWABLE DEVIATED EXTERNAL6.1DIMENSIONS OF CABLE TRENCH TABLE6.2應(yīng)

3、注意的質(zhì)量問題 QUALITY ISSUES七.成品保護(hù) FINISHED PROTECTION九.REQUESTS AND MEASURES八.施工記錄 CONSTRUCTION OF RECORD 安全生產(chǎn)、文明施工要求和措施 SAFETY AND CIVILIZED CONSTRUCTION附廠區(qū)電纜溝圖： ATTACHED: CABLE TRENCH DRAWING概況 Overview1.11.21)2)3)4)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 35/10kV B301S變電站以及新建的 3

4、5/10kV 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 trench excavat

5、ion project among three substations and for MV users connected to the three substations.施工范圍 Scope of Work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?；芈凡捎?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，以避免兩回線路同時(shí)受損。Pu

6、ll 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 C

7、581 # 1 and substation 2 # main transformer. Use FS-YJY-26/35kV-1 * 300mm2 single-core cables for Loop and buried pulling. Two 35kV lines to C581 are laid along different paths to avoid damage of the two loops.由B301S變電站引出7路10kV出線。全部引至B399中心制冷站?；芈凡捎?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

8、7 10kV outgoings from B301S substation to B399central refrigeration station. Loop uses 10kV three-core armored cable with cross-section 95mm2 and pull out from the existing cable well in the south of B301S then buried lay to the device.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)，

9、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，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。 以上電纜線路均沿規(guī)劃路徑埋地敷設(shè)。 10 10kV lines led from C581 are used to supply power to A507s four transformers, B551 two transformers, B553TDA 2 sets of hydrogen compressor unit, C521 hydrochloric acid chlorine gas compr

10、essor unit, and hydrochloric acid compressor unit respectively. Among them, transformer circuit uses x 3-core armored cable with 10kV cross-section 185mm2, motor circuit uses three-core armored cable with 10kV cross-section 95mm2. All cable lines will be laid underground along the planning path.接地電纜

11、回路： Ground cable 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 barecopper wire to C581 from A472. Meanwhile lay four bare copper wires to B551, A507, B553 and C521 for equipotential bonding. All cable lines will be laid underground along

12、 the planning path.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，根據(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 line is from A472 to C581 about 850 meters long. According to KK sectional drawing, excavation depth is of 1 meter with trench bottom width 0.

13、6 m and face width1.1 m.電纜溝北線為 A472 至 C581 和 B301 ，其中共線約 220 米，根據(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 an

14、d face width1.5 m.至 C581 支線約 430 米，根據(jù) E-E 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；至 B301 支線約 300 米，根據(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 width

15、1.1 m. The sub-line to B301the is about 300 meters. According to BB sectional drawing , excavation depth is 1 meter trench with trench bottom width 1 m and face width1.1 m.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。 According to Electric package (MV) the tender and tender drawings.2在充分研究工程的客觀情況和

16、施工特點(diǎn)，結(jié)合我公司類似工程施工經(jīng)驗(yàn)的基礎(chǔ)上編制的。 Basedon full study on construction characteristics and objective situation and combined with similar construction experience.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 c

17、onstruction, acceptance norms, procedures, standards, and design specifications. As follows:?電氣裝置安裝工程電纜線路施工及驗(yàn)收規(guī)范GB50168-2006 ?Electrical installation cableconstruction and acceptance standards GB50168-2006?電氣裝置安裝工程接地裝置施工及驗(yàn)收規(guī)范GB50169-2006 ?Electrical installation earthingconstruction and acceptance s

18、tandard GB50169-2006?建筑電氣工程施工質(zhì)量驗(yàn)收規(guī)范Acceptance GB50303-2002GB50303 2002 ?Building Electrical Construction Quality施工工藝流程： Construction Process:前期準(zhǔn)備7電纜溝測(cè)量、定位 7確定開挖順序7沿灰線切出槽邊輪廓線7分層開挖7修整槽邊 T清底preparation 7 cable trench measurements 7 excavation order7 cutting contour line along the calcareousness 7strati

19、fied excavation 7finishing cable trench edge7clear up四.前期準(zhǔn)備 Preparations14.1技術(shù)準(zhǔn)備 technical preparation針對(duì)本工程特點(diǎn)編審詳細(xì)的電纜溝施工作業(yè)指導(dǎo)書， 及時(shí)組織圖紙會(huì)審。 Compile particular cable trench construction engineering guide book as per project characteristics and organize promptlydrawings joint examination.2)根據(jù)上海市電力建設(shè)工程施工工藝

20、實(shí)施細(xì)那么結(jié)合本工程實(shí)際編寫電纜溝施工工藝卡，并組織實(shí)施。 Compile construction technique cards according to the Shanghai Municipal Electric Power Construction Engineering Construction Technology Implementation Details and organize its implementation.3)施工人員全面了解電纜敷設(shè)來路、終點(diǎn)及敷設(shè)路徑。 Construction workers have comprehensive understandin

21、g antecedents, destination, and laying path of laying cables.4.24.3主要機(jī)具準(zhǔn)備 Main equipments preparation尖、平頭鐵鍬、手錘、手推車、梯子、鐵鎬、撬棍、鋼尺、坡度尺、小線或材料準(zhǔn)備 Material preparation 根據(jù)材料計(jì)劃采購所有的材料。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。 Purchase materials as per the plan. All materials specification models and the voltage level sh

22、ould meet the design requirements and have product certificates.20鉛絲等。 Sharp, flat head shovel, hand hammers, wheelbarrows, ladders, picks, crowbars, steel ruler, slope-foot, small lead wire or 20 #lead wire and so on.4.41作業(yè)環(huán)境準(zhǔn)備 operating environment preparations 土方開挖前,應(yīng)根據(jù)施工方案的要求,將施工區(qū)域內(nèi)的地上、地下障礙物清除和處

23、理完畢。Priorto earth excavation, clear up obstructions on the ground or underground as per construction plan.2建筑物或構(gòu)筑物的位置或場(chǎng)地的定位控制線樁 、標(biāo)準(zhǔn)水平樁及基槽的灰線尺寸，必須經(jīng)過檢 驗(yàn)合格，并辦完預(yù)檢手續(xù)。 The location building or structure and the calcareousness of site positioning control lines (piles), standard level pile and the groove ba

24、se size must be tested qualified, and finished pre-screening procedures.3Clean up the site and make場(chǎng)地要清理平整，做好排水坡度，在施工區(qū)域內(nèi)，要挖臨時(shí)性排水溝。 drainage slope. Excavate temporary drains in the construction area.45夜間施工時(shí),應(yīng)合理安排工序,防止錯(cuò)挖或超挖。施工場(chǎng)地應(yīng)根據(jù)需要安裝照明設(shè)施,在危險(xiǎn)地 段應(yīng)設(shè)置明顯標(biāo)志。 Arrange night construction procedures properly

25、to prevent wrong dig or super-dug. Install the lighting facilities as needed and set signs in a dangerous location.開挖低于地下水位的基坑槽時(shí)，應(yīng)根據(jù)工程地質(zhì)資料，采取措施降低地下水位，一般要降至低于開挖底面的 0. 5m,然后再開挖。Excavate base pit (groove) below the groundwater level should low groundwater level based on engineering geological data to b

26、e lower than 0.5m of the underside, and then excavate.五.電纜溝施工 Cable Trench Construction5.1電纜溝測(cè)量、定位 cable trench measurement and positioning根據(jù)出線電纜布局和電纜溝開挖現(xiàn)場(chǎng)地形條件確定出電纜溝具體走向。 Determine the specific direction of cable trench of outgoing according to layout and excavation terrain conditions.電纜溝線路測(cè)量包括定線測(cè)量、

27、 水準(zhǔn)測(cè)量和直接丈量。 The cable trench line measurements include alignment, leveling and direct measurement.定線測(cè)量要測(cè)定線路的中心線和轉(zhuǎn)角,并應(yīng)測(cè)量溝槽與相鄰的永久性建筑物的位置關(guān)系,必要 時(shí)應(yīng)在地面上設(shè)立標(biāo)志。 Alignment measurement needs to determine the centerline and corners, and measure grooves and adjacent permanent building location relations. If nece

28、ssary, set up ground signs.12)5.21)2)345)6在進(jìn)行溝槽水準(zhǔn)測(cè)量時(shí) ,應(yīng)沿線設(shè)臨時(shí)水準(zhǔn)點(diǎn) ,臨時(shí)水準(zhǔn)點(diǎn)標(biāo)高值由控制水準(zhǔn)點(diǎn)引測(cè)。Conduct leveling should set temporary standard points, whose elevation is cited by the controlmeasure.電纜溝開挖 Cable Trench Excavation開挖路線確定后，需要由管理公司和業(yè)主確認(rèn)，盡量避免開挖路線下有管線。如確有管線，那 么盡量選擇管線較少區(qū)域開挖。The management company and the

29、owner need to confirmexcavation line. Try to avoid pipeline route digging and choose less pipeline area on excavating.開挖前要認(rèn)真調(diào)查了解地上地下障礙物，以便開挖時(shí)采取妥善加固保護(hù)措施。根據(jù)建設(shè)方提供 的現(xiàn)況地下管線圖，進(jìn)行現(xiàn)場(chǎng)調(diào)查探摸，在每個(gè)開挖路線上，每隔 30m 進(jìn)行人工開挖試空井， 明確整個(gè)斷面有無其它管線，及其管線分布情況 ，采取有效措施加以保護(hù)。 Investigate obstructions above and below ground before excav

30、ation to take appropriate reinforcement measures. According to the underground pipeline drawings provided by the owner, make site investigations. At intervals of 30m on each route excavate wells manually to check whether the entire cross-section has other pipelines and its distribution to take effec

31、tive protection measures.根據(jù)基礎(chǔ)和土質(zhì)、現(xiàn)場(chǎng)出土等條件要合理確定開挖順序。 Determine excavation order rationally according to the foundation, on-site soil quality and other conditions etc.開挖時(shí)， 應(yīng)先沿灰線直邊切出槽邊的輪廓線， 然后再分段分層平均下挖。 Cut out the contour line along the calcareousness, and then excavate with sub-layer and subsection. 一

32、般粘性土可自上而下分層開挖，每層深度以 60cm 為宜，從開挖端部逆向倒退按踏步型挖掘。 Generally clay can be excavated from top to bottom by layer with the appropriate depth 60cm. backward excavate from the end by stepping type. 碎石類土先用鎬翻松，正向挖掘，每層深度，視翻土厚度而定，每層應(yīng)清底和出土，然后逐步 挖掘。 Gravel type soil first use pick to loose, then forward excavate wit

33、h each layer depth depended on the thickness of digging soil. Clear the bottom and dig out the earth by layer and then excavate gradually.在開挖槽邊棄土?xí)r，應(yīng)保證邊坡和直立幫的穩(wěn)定。當(dāng)土質(zhì)良好時(shí)，拋于槽邊的土方或材料 ， 應(yīng)距槽溝邊緣 0. 8m以外，高度不宜超過1m。開挖基坑槽的土方，在場(chǎng)地有條件堆放時(shí)，留足回填需用的好土，多余的土方運(yùn)出，避免二次搬運(yùn)。Excavate side earth should ensurethe stability of th

34、e slope and upright. When the soil is fine, throw earth on the groove side (or material) 0.8m away from the pit (groove) edge with height more than 1m. Stack backfill soil if it has conditions and move the excess earth out to avoid secondary handling.土方開挖部分采用人工開挖為主，部分區(qū)域在保證人員，設(shè)備安全，不損壞現(xiàn)有管線的基礎(chǔ)上 采用機(jī)械開挖，

35、槽底預(yù)留 20cm 由人工清底。開挖過程中嚴(yán)禁超挖，以防擾動(dòng)地基。對(duì)于有地下 障礙物管、纜的地段由人工開挖，嚴(yán)禁破壞。具體如下： Mainly take manual excavation and ensure personnel and equipment safety on some parts. Take mechanical excavation on the basis of not damaging the existing pipeline and set aside 20cm at the bottom for clearing by hand. Ultra-excavatio

36、n is strictly prohibited to prevent ground disturbance. For underground obstacles (pipes, cables) parts excavate manually. As follows:機(jī)械與人工相結(jié)合開挖路線 A472 至 C581 南線與北線 Mechanical and manual excavation line(A472 to C581 South Line and North Line) 機(jī)械開挖整個(gè)過程都有人員跟隨進(jìn)行指揮，在確認(rèn)的機(jī)械開挖路線上進(jìn)行開挖工作，機(jī)械開挖 深度不得很深，首次開挖控制在

37、300mm 左右，再 100mm 每次挖下去，避免破壞地下管線，如 有管線，立即進(jìn)行人工開挖。 Mechanical excavation should be under command and follow theconfirmed line. Do not mechanically excavate too deep but first by 300mm and then 100mm each toavoid destruct ing pip eli nes.If there are pip eli nes, immediately take manual excavati on.C581

38、南線開挖到臨時(shí)道路，通過其它承包商倉庫的時(shí)候先不開挖斷，等電纜溝開挖到最后的時(shí)候再回頭開挖這部分，開挖后并在這些地段鋪上木方。When C581 South Line temporary roadthrough the warehouse of other con tractor, dig dow n and cover with woode n po les un til all cable trench is excavated to the final p arts.人工開挖路線A472 至 B301S 支線Manual excavation line (A472 to B301S Br

39、anch)在人工開挖路線上，安排人員進(jìn)行開挖，不得機(jī)械開挖。開挖過程中需要小心謹(jǐn)慎，注意地下管線。 Arrange personnel on manual excavation line rather than taking mechanical excavation. Pay atte nti on to un dergr ound pip eli nes.The earth7土方開挖一般不宜在雨季進(jìn)行，否那么工作面不宜過大，應(yīng)分段逐片的分期完成。excavati on in gen eral should not be carried out duri ng the rainy seas

40、on, or work ing face should not be too great and should be compi eted in sect ion.雨期開挖基坑槽時(shí)，應(yīng)注意邊坡穩(wěn)定，必要時(shí)可適當(dāng)放緩邊坡或設(shè)置支撐。同時(shí)應(yīng)在坑槽外側(cè)圍以土堤或開挖水溝，防止地面水流入。施工時(shí)應(yīng)加強(qiáng)對(duì)邊坡、支撐、土堤等的檢查。Onpl uvial days excavate p it (groove), pay atte ntio n to slope stability. If n ecessary, low slope or set up support. Mean while en close

41、 emba nkme nt around the p it (groove) or did a ditch to prevent surface water in flow. Stren gthe n on check ing the slope, support, emba nkme nt etc.8土方開挖不宜在冬期施工。如必須在冬期施工時(shí)，其施工方法應(yīng)按冬施方案進(jìn)行。Earth excavationshould not be done in the win ter p eriod. If n ecessary, take win ter p rogram.采用防止凍結(jié)法開挖土方時(shí)，可在凍

42、結(jié)前用保溫材料覆蓋或?qū)⒈韺油练宜?，其翻耕深度?yīng)根據(jù)當(dāng)?shù)貧夂驐l件確定，一般不小于0. 3m。On prevent-freezing earthwork excavation method,cover in sulati on material before freez ing or loose n top soil with tillage depth determ ined by local climatic con diti ons, gen erally not less tha n 0.3m.開挖電纜溝時(shí)，必須防止溝底基土遭受凍結(jié)，如溝槽開挖完畢至埋設(shè)電纜之間，有較長(zhǎng)的停歇時(shí)間，應(yīng)在

43、基底標(biāo)高以上預(yù)留適當(dāng)厚度的松土，或用其他保溫材料覆蓋Prevent the groove basesoil be froze n, such as the in terval betwee n trench excavati on and cable lay ing reserve loose soil with approp riate thick ness above baseme nt elevatio n or cover with other thermal in sulati on material.9開槽后及時(shí)約請(qǐng)各有關(guān)人員驗(yàn)槽，驗(yàn)槽合格后方可進(jìn)行下道工序。Invite rela

44、ted personnel to checkthe excavated trench and carry out the n ext work ing pro cedure after p ass ing the exam in ati on.六.質(zhì)量控制Quality Control6.1電纜溝外形尺寸允許偏差表 Allowable deviated external dime nsio ns of cable trenchtable允許偏差項(xiàng)目 allowable deviati on item電纜溝外形尺寸允許偏差allowable deviated external dimension

45、s of cabletrench table序號(hào)s/no項(xiàng)目items允許偏差mmallowable deviati on檢驗(yàn)方法test method1標(biāo)高 elevation+ 0mm， 50mm用水準(zhǔn)儀檢查 water level check2長(zhǎng)度、寬度length, width0 mm由設(shè)計(jì)中心向兩邊量、拉線和尺量檢查 desig n center measure and p ull li ne on both sides and ruler insp ecti on3邊坡偏陡stee p side slope不允許 not allowed坡度尺檢查 gradient ruler in

46、spection6.21應(yīng)注意的質(zhì)量問題 Quality issues 溝底超挖：開挖電纜溝不得超過溝底標(biāo)高，如個(gè)別地方超挖時(shí)，其處理方法應(yīng)取得設(shè)計(jì)單位的 同意。 Ultra excavation: cable trench excavation shall not exceed the bottom elevation. If ultra-dig in some places, obtain the consent of design units.4施工順序不合理：土方開挖宜先從低處開挖，分層分段依次進(jìn)行，形成一定坡度，以利排水。The construction sequence is un

47、reasonable: earth excavation should begin from the lower place, layer by layer and section by section in turn; form a certain slope to facilitate drainage.5開挖尺寸不足：電纜溝底部的開挖寬度，應(yīng)根據(jù)施工需要增加工作面寬度。The excavation size isnot enough: Cable trench bottom width should be increased as per construction needs.6電纜溝邊

48、坡不直不平、 基底不平： 應(yīng)加強(qiáng)檢查， 隨挖隨修， 并要認(rèn)真驗(yàn)收。 Slope is not straight and base is uneven: strengthen inspection, repair cable trench, and then accept seriously.七.成品保護(hù) Finished Protection1)對(duì)定位標(biāo)準(zhǔn)樁、軸線引樁、標(biāo)準(zhǔn)水準(zhǔn)點(diǎn)等，挖運(yùn)土?xí)r不得碰撞。并應(yīng)經(jīng)常測(cè)量和校核其平面位 置、水平標(biāo)高和邊坡坡度是否符合設(shè)計(jì)要求。定位標(biāo)準(zhǔn)樁和標(biāo)準(zhǔn)水準(zhǔn)點(diǎn)應(yīng)定期復(fù)測(cè)和檢查是否 正確。 Do not collide targeting criteria pile

49、s, axis cited pile, and standard level points, etc. on moving earth. Regularly measure and check whether the plane location, elevation and slope gradient are in compliance with design requirements. Re-measure and inspect targeting criteria piles and standard level points.2)土方開挖時(shí)，應(yīng)防止鄰近已有建筑物或構(gòu)筑物、道路、管線

50、等發(fā)生下沉和變形。必要時(shí)應(yīng)與設(shè) 計(jì)單位或建設(shè)單位協(xié)商采取防護(hù)措施，并在施工中進(jìn)行沉降或位移觀測(cè)。 Note subsidence and deformation of neighboring existing buildings or structures, roads, pipelines etc. Take protective measures with design and construction unit and construct observation on settlement or displacement.3)在敷設(shè)有地上或地下管線、 電纜的地段進(jìn)行土方施工時(shí)， 應(yīng)事先取

51、得有關(guān)管理部門的書面同意， 施工中應(yīng)采取措施，以防止損壞管線，造成嚴(yán)重事故Conduct earthwork on the area needs to layground or underground pipelines, cables prior to getting written consent of the relevant administrative departments. On construction take measures to prevent damaging pipelines and cause serious accidents.八.施工記錄 Construct

52、ion of Record1)自互檢記錄。 Self and mutual inspection records2電纜工程分項(xiàng)質(zhì)量檢驗(yàn)評(píng)定記錄。 Cable engineering sub-item quality inspection and evaluation records3分項(xiàng)工程驗(yàn)收記錄。 Sub-project acceptance records九 . 安全生產(chǎn)、文明施工要求和措施 Safety and Civilized Construction Requests and Measures1 開工前應(yīng)做好施工場(chǎng)地內(nèi)的道路，開辟適當(dāng)?shù)墓ぷ髅?，做好檢查和必要的加寬、加固工作，以

53、利安全施工。 Build site roads and appropriate work area. Widen and strengthen order to facilitate safe construction.2 電纜溝開挖工程應(yīng)注意邊坡和基坑的穩(wěn)定性，一般應(yīng)按先深后淺的順序施工，并應(yīng)采取必要的 保護(hù)措施。 Note the stability of the slope and base, generally construct from deep to shallow and take necessary protective measures.3456電纜溝四周設(shè)置的防護(hù)欄桿應(yīng)符

54、合安全規(guī)定。safety requirements.Around cable trench set protective railings as per電纜溝開挖后應(yīng)及時(shí)敷設(shè)電纜，不得長(zhǎng)期暴露。電纜敷設(shè)完畢，應(yīng)抓緊回填工作?；靥顣r(shí)，必 須事先清除溝不符合回填要求的雜物，在相對(duì)的兩側(cè)同時(shí)均勻進(jìn)行，并且分層夯實(shí)。Lay cablesthen backfill after excavation without long-term exposure. Clear debris in advance and backfill uniformly on both sides and compact夜間施工時(shí)，應(yīng)合理安排施工項(xiàng)目，防止挖方超挖超深。施工現(xiàn)場(chǎng)應(yīng)根據(jù)需要設(shè)置足夠的照明 設(shè)施，在危險(xiǎn)地段應(yīng)設(shè)置紅燈警示。 Rationally arrange night construction projects and prevent the ultra excavation. The construction set