农田输配电工程施工方案ThenPlanforPowernandnProjectinFarmlandI。nofTrenchesandDitchesHydraulicexcavatorswillbeprimarilyusedforn。whilemanuallaborwillbeutilizedforclearingtheditch。Duringthenprocess。thesoilqualityandgroundwaterlevelwillberegularlyinspectedandrecorded。Ifthesoilqualityofthenisfoundtobedifferentfromthedesignorifanyspecialcircumstancesarise。relevantpersonnelwillbeconsultedtodeterminethebestcourseofnandrecorditforfuturereference.Topreventdisturbancetothepitbottom。theexposuretimeofthenpitshouldbeminimizedasmuchaspossible。Ifthenextstepofncannotbecarriedoutimmediately。acoveringlayerofsoilwithathicknessof15-30cmshouldbereservedandremovedduringthenn。Theprimarynrequirementsforsoilnareasfollows:1)Detailedtechnicalnsshouldbegivenbeforen。andnshouldbecarriedoutaccordingtothespecifiedrequirements.2)Supportisnecessaryduringnpitn。Thenandsupportshouldbecoordinatedwitheachother。Aftermechanicaln。anchorrodsupportshouldbeusedinatimelymannertopreventinstabilityofthepitwallandcollapse.3)Duringthenprocess。nosoilshouldbepiledarbitrarilyaroundthenpit。Aftermanualnreachesthedesignn。then。design。qualityn。survey。andnunitsshouldinspecttheditchtoensurethatitmeetstherequirementsbeforeproceedingtothenextstep.4)Adedicatedpersonshouldbeondutyduringthenprocess。Ifanyabnormalnisfound。theprojectmanager。designteam。nteam。surveyinstituteshouldbenotifiedimmediately。andsoilnshouldbepeduntilthecauseisdeterminedandmeasuresaretakentoresolvetheissue.5)Afterthenpitisexcavated。drainageditchesshouldbeconstructedaroundthetopoftheslopetoensuresmoothdrainage。Thestabilityoftheslopeshouldbecheckedregularly。Temporaryorpermanentdrainageditchesshouldbesetupwithinthenareatodrainwatertothelowerarea。andawaterpumpshouldbeusedtodrainwater。Thelongitudinalslopeofthedrainageditchshouldgenerallynotbelessthan2%topreventwaterfromaccumulatingonthesite。Inareaswithsteepslopes。cut-offditchesandflooddrainageditchesshouldbesetup5-6metersawayfromtheedgeoftheslopetopreventrainwaterfromflowingintothenarea.6)Sufficientlightingshouldbeprovidedfornightwork。andprotectivebarriersshouldbeinstalledaroundthenpitwithusmarkings.II。FillingofSoil1)Manualbackfillingandmechanicalnshouldbeused。Thenshouldbecarriedout3-4times。andtheloosenedsoilshouldbe30cmperbatch。Thecompactedthicknessshouldbearound20cm。Duringthefillingprocess。thecompactnessoftheedgeofthefillshouldbeensured。andthewidthofthefilledgeshouldbeincreasedby0.5m.2)Beforebackfilling。debrissuchastreeroots。wood。andgarbageshouldbeclearedfromthepit。andanyholesandstandingwatershouldbedrainedandcleaned.3)Thenpitshouldbefilledonbothsidesorarounditsimultaneously。Thenonbothsidesofthenwallshouldnotdiffertoomuchtopreventthewallfrombeingdistorted。Oneareashouldnotbefilledarbitrarilybeforeanotherareaisfilled.4)Duringbackfilling。thenshouldbecarriedoutinaone-and-a-halfpassmanner。witheachpassconnectedtotheusoneinacrisscrosspattern.5)Duringthebackfillingprocess。thesoilshouldbeexcavated。laid。andcompactedaccordingtothedesignrequirements。soilquality。watercontent。andbackfillingns.6)Allnprocessesmustbestrictlyimplementedtoensurethesmoothprogressofthesoilbackfillingproject.III。CablenandLaying1)nprocess:seetheprocesschart.2)Processnandkeyqualitycontrolpoints:1)nn1)Materialn:①Measuretheactuallengthofthecableandprepareaccordingly。takingintoaccountwhetherthelengthofth...
