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2)每盘电缆上应标明电缆规格、型号、电压等级、长度及出厂日期。电缆盘应完好无损。

Eachcableshouldbemarkedonspecification,model,voltagelevel,lengthandmanufacturedate.Cabletrayshouldbeinagoodcondition.

3)电缆外观完好无损，铠装无锈蚀、无机械损伤，光泽明亮无皱折和扭曲现象。电缆外皮及绝缘展无老化及裂纹。

Thecableexteriorconditionisintact.Thearmorhasnorustandnomechanicaldamage.Itisshinyandbrightwithoutwrinklesanddistortions.Cablejacketandinsulationshownoagingandcracks.

4)电缆敷设前进行绝缘摇测或耐压试验。测量绝缘用兆欧表的额定电压安置小区消防工程施工组织方案，采用如下等级：Beforelayingcarryoutinsulationrollingtestorvoltagewithstandtest.Usemeggerratedvoltagetomeasureinsulation.Takethefollowinglevel:

10KV和35KV电缆：用2500V兆欧表。10KVand35KVCable:The2500Vmegger.

5)按设计和实际路径计算每根电缆的长度，合理安排每盘电缆，无电缆接头。Calculateeachcablelengthaccordingtodesignandactualpath.Arrangeeachcablereasonablywithoutcablejoints.

6)电缆保护套管已经预埋好，故只需要清理管内残渣，并作好管口保护。Cableprotectionsleevehasbeenembedded.Cleanpiperesidueandprotectnozzles.

7)其它附属材料：电缆标示桩、电缆标志牌、油漆、汽油、封铅、硬脂酸、白布带、橡皮包布、黑包布等均应符合要求。Othersubsidiarymaterial:cablemarkingpiles,cablesigns,paint,gasoline,sealedlead,stearicacid,whitebelt,rubbercloth,blackclothetc.shouldmeettherequirements.

4.3主要机具准备MainEquipmentPreparation

卷扬机、敷设电缆用支架及轴、电缆滚轮、转向导轮、吊链、滑轮、钢丝绳、大麻绳、千斤顶。Winches,bracketandshaftforcablelaying,cableroller,transferguidewheel,hangingchain,pulleys,wirerope,largehemprope,jacks.

4.4作业环境准备WorkEnvironmentPreparation

场地清理干净、道路畅通。Sitecleanuptheroadsunimpeded

放电缆用的设备安置完毕，且符合安全要求，电缆沿线照明照度满足施工要求。

Cablelayingequipmenthasplaced,andmeetssafetyrequirements.Cablelightingilluminationalongtheroutemeetstheconstructionrequirements.

五.敷设施工WorkofCablePulling

5.1电缆敷设施工工序WorkProcedure

机具布置→电缆展放→电缆敷设、固定Equipmentlayout→Layoffcable→laycableandfix

5.2机具布置LayoutofTools

5.2.1电缆的搬运及支架架设CableRemovalandCableTray

5.2.2卷扬机与滑轮的布置WinchandPulleyArrangement

电缆架与卷扬机布置见下图：Cablerackandwincharrangementseebelow:

1)电缆展放可用人力拉引或机械牵引。当采用机械牵引时，用机械的最大牵引强度宜满足下表的规定，其速度不宜超过15m/min，且应在牵引头或钢丝网套与牵引钢缆之间装设防捻器。Usemanualormechanicaltraction.Whenusingmechanicaltraction,themaximummechanicalstrengthshouldmeettherequirementsinTable,itsspeedshouldnotexceed15m/min,andshouldinstallfortifiedtwisterbetweentractionheadorsteelmeshsleeveandpullingsteelcable.

Cablemaximumtractionstrength(N/mm2)

电缆最大牵引强度（N/mm2）

牵引方式traction

牵引头tractionhead

钢丝网套steelmeshsleeve

铝芯aluminumcore

铝套aluminumsheath

塑料护套plasticsheath

允许牵引强度allowabletractionstrength

本次采用机械牵引，采用钢丝网套直接塑料护套方式，按表计算允许最大牵引强度：Themechanicaltractionusesaluminumandplasticsheath.Calculateallowablemaximumtractionstrength:

35KV电缆：300mm2的单芯电缆，其允许最大牵引强度：

35KVcable:300mm2singlecable,theallowablemaximumtractionstrength:

F1=7*300=2100N

10KV电缆：95mm2的三芯铠装电缆，铅套，其允许最大牵引强度：

F2=10*95*3=2850N

185mm2的三芯铠装电缆，铅套，其允许最大牵引强度：

F3=10*185*3=5550N

2）牵引力和侧压力计算：Tractionandlateralpressurecalculation:

侧压力计算公式为：Thecalculatingformulalateralpressure:P=T/R

式中：P为侧压力（N/m）；T为牵引力（N）；R为弯曲半径（m）

Where:Pforlateralpressure(N/m);Tfortraction(N);Rforthebendradius(m)

式中：μ为摩擦系数，在滚轮上牵引时取0.1~0.2；

Where:μisfrictioncoefficient,wheeltractionis0.1~0.2

W为电缆每米重量（kg/m）；L为电缆长度（m）

Wiscablepermeterweight(kg/m);Liscablelength(m)

实际施工中，考虑实际情况，μ取0.12，R1取0.5m,R2取1.3m,R3取1.5m

Theactualconstructionshouldconsideractualcircumstances,μtakes0.12,R1takes0.5m,R2takes1.3m,R3takes1.5m

令T1=F1=2100N，则L1=2100/（9.8*0.12*4.17）=428m

T2=F2=2850N，则L2=2850/（9.8*0.12*4.04）=600m

T3=F3=5550N，则L3=5550/（9.8*0.12*6.44）=733m

P1=2100/0.5=4200N

P2=2850/1.3=2192N

P3=5550/1.5=3700N

所以，采用塑料护套直接拉动电缆时，35KV电缆每次允许拉428m电缆，其侧压力为4200N；10KV95mm2的电缆每次允许拉600m，其侧压力为2192N；10KV185mm2的电缆每次允许拉733m，其侧压力为3700N。Therefore,pullthecablewithplasticsheath.Eachtimetheallowablelengthof35KVcableis428manditslateralpressureis4200N;10KV95mm2cableis600mand2192Nand10KV185mm2cableis733mand3700N.

3）电缆展放时，电缆应从盘的上端引出，不应使电缆在地面摩擦拖拉。电缆上不得有铠装压扁、电缆绞拧、护层折裂等未消除的机械损伤。Pullcablefromtheupperplatetoavoidfrictionontheground.Armoredcablemaynotbecrushed.Donothavecabletwisted,retaininglayerfractureandothernoteliminatedmechanicaldamage.

5）每根电缆敷设好后，在电缆两端做好临时标示，以分清电缆回路及黄、绿、红三相。Maketemporarysignsatbothendsofcables.Identifycableloopandyellow,green,redphases.

5.4电缆敷设、固定CableLayingandFixing

2）电缆之间，电缆与其它管道、道路、建筑物等之间平行和交叉时的最小净距，应满足规范的要求。Theminimumparallelandcrossspacing  betweencablesorbetweencablesandotherpipeline,roads,buildings,etc.shouldmeetthespecificationrequirements.

3）电缆与现有电缆交叉时，满足规范要求，保持足够间距。Crossoveringtheexistingcablestomeettheregulatoryrequirementsandmaintainadequatespacing.

5）冬季敷设电缆，温度达不到规范要求时，应将电缆提前加温。Inwinter,whenthetemperaturecannotmeetregulatoryrequirements,thecableshouldbeheatedinadvance.

六.覆砂盖砖SpreadSandandCoverBricks

1)电缆敷设完毕，应请建设单位、监理及质量监督部门作隐蔽工程验收，作好记录、签字。Askconstructionunit,supervisionandqualitysupervisiondepartmentsacceptconcealedproject,makerecordsanddothesignature.

2)电缆上面与电缆下面一样，覆盖10cm砂土或软土，然后用砖或电缆盖板将电缆盖好，覆盖宽度应超过电缆两侧5cm。Spread10cmsandorsoftsoilaboveorbelowcableandcoverwithbricksorboardswithwidthmorethan5cmofbothsides.

七.回填土BackfillEarth

1)直埋电缆回填土前，应经隐蔽工程验收合格。PriortoBuriedcablebackfillshallbeaccepted.

八.埋标桩BuryingStake

九.挂标志牌Hangingsigns

1)标志牌规格应一致，并有防腐性能，挂装应牢固。Thesignsshallbethesamesize,haveantisepticproperties,andmountedhangingshallbefirmly.

2)标志牌上应注明电缆编号、规格、型号及电压等级。Thesignsshouldindicatecablenumbers,specifications,modelsandvoltagelevel.

3)直埋电缆进出建筑物及电缆终端头应挂标志牌。Buriedcableaccesstobuildingsandcableterminationheadsshouldhangsigns.

4) 电缆标志牌同时应遵循业主标准。Cablesignsfollowownerstandard.

十.质量控制QualityControl

10.1主控项目MasterItems

检验方法：检查试验记录。TestMethod:Checktestrecords.

电缆敷设必须符合以下规定：电缆严禁有绞拧、铠装压扁、护层断裂和表面严重划伤等缺损，直埋敷设时，严禁在管道上面或下面平行敷设。Thecablelayingmustmeetthefollowingrequirements:Strictlyprohibittwist,armoredsquash,sheathfractureandseverelacerationsandothersurfacedefects.Forbidparallelpipelinelaying.

检验方法：观察检查和检查隐蔽工程记录。Testingmethod:Observeexaminationandcheckconcealedworkrecords

10.2一般项目GeneralItems

1)坐标和标高正确，排列整齐，标志桩和标志牌设置准确；防燃、隔热和防腐要求的电缆保护措施完整。Coordinateandelevationshouldbecorrectandarrangeneatly.Setupsignstakeandsignboardaccurately;takeprotectionflameproof,heatinsulationandcorrosionmatures.

2)电缆的埋置深度应符合下列要求：①电缆表面距地面的距离不应小于0.8m，且电缆应埋在冻土层以下。②在电缆引入建筑物、与地下建筑物交叉及绕过地下建筑物处等受条件限制时，可浅埋，但应采取保护措施。Thedepthofburiedcablesshouldmeetthefollowingrequirements:①Thedistancefromcablesurfacetogroundshouldbenotlessthan0.8m,andthecablesshouldbeburiedbelowthepermafrost.②Buryshallowlyifbeingrestrictedbytheconditiontopassthebuildingandbypassandcrossoverundergroundstructures,butshouldtakeprotectivemeasures.

3)直埋电缆铺砂盖板或砖时应防止不清除沟内杂物、不用细砂细土、盖板或砖不严，有遗漏部分，施工负责人应加强检查。Cleanupdebris,spreadfinesandandsoilsands,coverboardsorbrickstightlyandstrengtheninspectionsonmissingpart.

4)电缆进入室内电缆沟时，防止套管防水处理不好，沟内进水。应严格按规范和工艺要求施工。Whencablesarelaidinindoortrench,preventcasingforpoorwaterproofhandling.Workinstrictaccordancewithspecificationsandprocessrequirements.

5)有麻皮保护层的电缆进入室内，防止不作剥麻刷油防腐处理。Donotusestrippinghempbrushoilifbarkprotectivelayercablesarelaidindoor.

检验方法：观察检查和检查隐蔽工程记录及坐标图。Testingmethod:observeexaminationandcheckconcealedworksrecordsandcoordinatediagram.

十一.成品保护FinishedProtection

3)电缆两端头处的门窗装好，并加锁，防止电缆丢失或损毁。Installdoorsandwindowsandlockoncablebothends,topreventlossordamage.

十二.质量记录QualityRecord

12.1质量保证资料QualityAssuranceInformation

1)电缆产品合格证Cableproductcertification

2)电缆绝缘摇测记录或耐压试验记录Cableinsulationtestrollingorvoltagewithstandrecords

3)隐蔽工程验收记录Concealedprojectacceptance

12.2施工记录ConstructionofRecord

1)自互检记录。Selfandmutualinspectionrecords

4）电缆走向实测图。Alignmentmeasuremap

JCT600-2010 石灰石硅酸盐水泥.pdf十三.安全生产、文明施工要求和措施SafetyandCivilizedConstructionRequestsandMeasures

2)实行持证上岗操作制度，特殊工种操作人员必须持有特殊工种操作证，严禁无证操作，并及时做好登记。不断改善劳动条件，认真做好每个施工人员的劳动保护措施。Toimplementcertifiedoperatingsystem,specialtypesofworkmusthaveapermittooperate.Thosewithoutcertificatearenotallowedtoentersite,recordsmustbemade.Continuouslyimprovetheworkingconditionsandkeepthesafetymeasuresforeachworker.

3) 所有工作机具都经过业主验收合格后，贴上标签，方可使用。Allequipmentshouldbeinspected,acceptedbyownerandbelabeled.

4)电缆沟开挖直到回填土完工，应尽可能地均衡、连续施工，缩短工期；在有行人的场所内施工，电缆沟开挖后应有警示牌及维护。Constructinabalancedandcontinuouswaytoshortentheperiodbetweencabletrenchexcavationandbackfill;Thereshouldbewarningsignsandmaintenanceonpedestrianarea.

5)现场禁止吸烟，班前班中严禁饮酒。Nosmokingandalcoholduringworkingperiod.

6) 施工前做好技术交底和安全交底，对工人讲明工作中的安全注意事项(津)12S8 排水工程，并做好JHA。DotechnicalandsecurityclarificationtotheworkersaboutsecurityprecautionsandmakeaJHA..

7) 总安全方案将遵循管理公司安全方案和业主的安全规定。Thesecurityplanshouldfollowthesafetyrequirements.