1、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目錄Content一 . 概況 OVERVIEW 31.1 工程概況 PROJECT OVERVIEW 31.2 施工范圍 SCOPE OF WORK 3二編制依據(jù) COMPILATION BASIS 4三 施工工藝流程 CONSTRUCTION PROCESS: 4四 . 前期準(zhǔn)備 PREPARATIONS 44.1 技術(shù)準(zhǔn)備 TECHNICAL PREPARATION 4

2、4.2 材料準(zhǔn)備 MATERIAL PREPARATION 54.3 主要機(jī)具準(zhǔn)備 MAIN EQUIPMENTS PREPARATION 54.4 作業(yè)環(huán)境準(zhǔn)備 OPERATING ENVIRONMENT PREPARATIONS 5五 . 電纜溝施工 CABLE TRENCH CONSTRUCTION 55.1 電纜溝測(cè)量、定位 CABLE TRENCH MEASUREMENT AND POSITIONING 55.2 電纜溝開挖 CABLE TRENCH EXCA VATION 6六. 質(zhì)量控制 QUALITY CONTROL 76.1 電纜溝外形尺寸允許偏差表 ALLOWABLE DE

3、VIATED EXTERNALDIMENSIONS OF CABLE TRENCH TABLE 76.2 應(yīng)注意的質(zhì)量問題 QUALITY ISSUES 8七 . 成品保護(hù) FINISHED PROTECTION 8八 . 施工記錄 CONSTRUCTION OF RECORD 8九 . 安全生產(chǎn)、文明施工要求和措施 SAFETY AND CIVILIZED CONSTRUCTION REQUESTS AND MEASURES 8附廠區(qū)電纜溝圖： ATTACHED: CABLE TRENCH DRAWING 8一 . 概況 Overview1.1 工程概況 Project Overview項(xiàng)目

4、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 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 subst

5、ation. This is the power, control and grounding cable trench excavation project among three substations and 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?；芈凡捎?F

6、S-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。Pull 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 t

7、he adding 4 # main transformer; the other two outgoings are led to 35/10kV C581 # 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.2) 由B301S變電站引出

8、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 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

9、 to 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 transfor

10、mers, B553TDA 2 sets of hydrogen compressor unit, C521 hydrochloric acid chlorine gas compressor 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

11、 cross-section 95mm2. All cable lines will be laid underground along the planning path.4) 接地電纜回路： 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,

12、A507, B553 and C521 for equipotential bonding. All cable lines will be laid underground along 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

13、 meters long.According to KK sectional drawing, excavation depth is of 1 meter with trench bottom width 0.6 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 met

14、ers. 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，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. Accordi

15、ng 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 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 Basis

16、1 ）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。 Based on 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

17、、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 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 stan

18、dards 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 earthing construction and acceptance standard GB50169-2006建筑電氣工程施工質(zhì)量驗(yàn)收規(guī)范GB503032002 Building Electrical Construction QualityAcceptance GB50303-2002三 施工工藝流程： Construction Process:前期準(zhǔn)備t電纜溝測(cè)量、定位 t確定開挖順序t沿灰線切出槽邊輪廓線t分層開挖t修整槽邊t清底pr

19、eparati on t cable trench measureme nts t excavati on order t cutt ing con tour line along the calcareousness tstratified excavation tfinishing cable trench edgetclear up四 . 前期準(zhǔn)備 Preparations4.1 技術(shù)準(zhǔn)備 technical preparation1 ） 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 construct

20、ion engineering guide book as per project characteristics and organize 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)精品文檔施。 Compile construction technique cards according to the Shanghai Municipal Electric Power Construction Engineering Construction Technology Imple

21、mentation 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 understanding antecedents, destination, and laying path of laying cables.4.2 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.

22、All materials specification models and the voltage level should meet the design requirements and have product certificates.4.3 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20鉛絲等。 Sharp,flat head shovel, hand hammers, wheelbarrows, ladders, picks, crowbars, steel ruler, slope-f

23、oot, small lead wire or 20 #lead wire and so on.4.4 作業(yè)環(huán)境準(zhǔn)備 operating environment preparations1）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 lo

24、cation building or structure and the calcareousness of site positioning control lines （piles）, standard level pile and the groove base size must be tested qualified, and finished pre-screening procedures.3）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。Clean up the site and makedrainage slope. Excavate temporary dr

25、ains in the construction area.4）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 to prevent wrong dig or super-dug. Install the lighting facilities as needed and set signs in a dangerous location.5）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

26、. 5m,然后再開挖。Excavate base pit （groove） below the groundwater level should low groundwater level based on engineering geological data to be 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 positioning1） 根據(jù)出線電纜布局和電纜溝開挖現(xiàn)場(chǎng)地形條

27、件確定出電纜溝具體走向。Determine the specificdirection of cable trench of outgoing according to layout and excavation terrain conditions.2）電纜溝線路測(cè)量包括定線測(cè)量、 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。 Alignm

28、ent measurement needs to determine the centerline and corners, and measure grooves and adjacent permanent building location relations. If necessary, set up ground signs.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 cont

29、rol measure.5.2 電纜溝開挖 Cable Trench Excavation1) 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，則 盡量選擇管線較少區(qū)域開挖。 The management company and the owner need to confirm excavation line. Try to avoid pipeline route digging and choose less pipeline area on excavating.2) 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

30、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 excavation to take appropriate reinforcement measures. According to the underground pipeline drawings provided by the owner, make site investigations. At intervals of

31、 30m on each route excavate wells manually to check whether the entire cross-section has other pipelines and its distribution to take effective protection measures.3) 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 condition

32、s etc.4) 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 linealong the calcareousness, and then excavate with sub-layer and subsection. 一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 f

33、rom 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 with each layer depth depended on the thickness of digging soil. Clear the bottom and dig out the earth by layer and then excavate gradually.5) 在開挖槽邊棄土?xí)r，應(yīng)保證邊坡和直立幫的

34、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 the 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. S

35、tack backfill soil if it has conditions and move the excess earth out to avoid secondary handling.6) 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，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 par

36、ts. Take mechanical excavation on the basis of not damaging the existing pipeline and set aside 20cm at the bottom for clearing by hand. Ultra-excavationis 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( A

37、472 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 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 thecon firmed line. Do not mecha ni cally

38、 excavate too deep but first by 300mm and the n 100mm each to avoid destruct ing pipeli nes.If there are pipeli nes” immediately take manual excavati on.C581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, d

39、ig dow n and cover with woode n poles un til all cable trench is excavated to the final parts.人工開挖路線（A472 至 B301S 支線）Manual excavation line （A472 to B301S Branch）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 att

40、e nti on to un dergr ound pipeli nes.7） 土方開挖一般不宜在雨季進(jìn)行，否則工作面不宜過大，應(yīng)分段逐片的分期完成。The earth excavati onin gen eral should not be carried out duri ng the rainy seas on, or work ing face should not be too great and should be completed 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

41、。施工時(shí)應(yīng)加強(qiáng)對(duì)邊坡、支撐、土堤等的檢查。Onpluvial days excavate pit （groove）, pay atte ntio n to slope stability. If n ecessary, low slope or set up support. Mean while en close emba nkme nt around the pit （groove） or did a ditch to preve nt surface water in flow. Stren gthe n on check ing the slope, support, emba nkm

42、e 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 period. If n ecessary, take win ter program.采用防止凍結(jié)法開挖土方時(shí)，可在凍結(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 insulation material before freezing or lo

43、osen topsoil with tillage depth determined 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

44、soil with appropriate 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 related personnel to check the excavated trench and carry out the n ext work ing procedure after pass ing the exam in ati on.六.質(zhì)量控制 Quality Control6.1

45、電纜溝外形尺寸允許偏差表 Allowable deviated external dimensions of cable trench table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 dimensions of cabletrench table序號(hào)s/no項(xiàng)目items允許偏差（mm）allowable 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0 mm由設(shè)計(jì)中心向兩邊量、

46、拉線和尺量檢查 design centerlen gth, widthmeasure and pull li ne on both sides and ruler in specti on3邊坡偏陡steep side slope不允許 not allowed坡度尺檢查 gradient ruler inspection6.2 應(yīng)注意的質(zhì)量問題Quality issues1）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 excavati on: cable trench excavatio n shall not exceed the b

47、ottom elevati on. If ultra-dig in some places, obta in the consent of desig n un its.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 con struct ion seque nee is un reas on able: earth excavati on should begi n from the lower place, layer by layer and sect ion by sect ion in turn; form a certa in slo

48、pe to facilitate drain age.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 eno ugh: Cable trench bottom width should be in creased as per con struct ion n eeds.6 ）電纜溝邊坡不直不平、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 andbase is un eve n: stre ngthe n in spect ion, repair cable tren ch,

49、 and the n 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 piles, axis cited pile, and standard level points, etc. on moving earth. Regularly measure and check whether the plane loc

50、ation, elevation and slope gradient are in compliance with design requirements. Re-measure and inspect targeting criteria piles and standard level poin ts.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 subside nce anddeformation of neighboring existing buildings or s

51、tructures, roads, pipelines etc. Take protective measures with desig n and con structi on unit and con struct observati on on settleme nt or displaceme nt.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Con duct earthwork on the area needs to laygro und or un dergro und pipeli nes

52、, cables prior to gett ing writte n consent of the releva nt adm ini strative departments. On construction take measures to prevent damaging pipelines and cause serious accide nts.八. 施工記錄 Construction of Record1）自互檢記錄。Self and mutual in spect ion records2） 電纜工程分項(xiàng)質(zhì)量檢驗(yàn)評(píng)定記錄。Cable engineering sub-item q

53、uality inspection and evaluation records3） 分項(xiàng)工程驗(yàn)收記錄。Sub-project accepta nce 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，以禾 U安全施工。 Build site roads and appropriate work area. Wide n and stre ngthe n order to facilitate safe

54、con struct ion.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.3) 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 cables then backfill after excavation without long-term exposure. Clear debris in ad