接地裝置安裝方案

04--IIP-SHF-501上海聯(lián)合異氰酸脂工程工程ShanghaiIntegratedIsocyanatesProject(IIP)防雷接地裝置安裝方案InstallationSchemeforLightningProtectionandEarthingDevice合同號：A0ZH00-SL-C3041D/SB-C2041D編Edit：馮啟勝審Review：邱祥明批Approval：甘繼榮南化集團建設(shè)公司上海工程工程部NCIGCCShanghaiProjectDepartmentJan2023上海聯(lián)合異氰酸脂工程工程施工方案防雷接地裝置安裝方案第上海聯(lián)合異氰酸脂工程工程施工方案防雷接地裝置安裝方案第2頁共7頁南化集團建設(shè)公司NCIGCC南化集團建設(shè)公司NCIGCC目 錄\l“_TOC_250000“工程概況General. 3編制依據(jù)Editreference 3施工程序及施工技術(shù)措施ConstructionProcedureandTechnicalMeasureofConstruction General該工程由我單位承建的接地裝置局部主要包括A400,B400,B600,A520,A545四周和A600B501,B545,B609,B620,B648,A520,A545B541SBPCSLICSLICSLIC北的主接地B341SLICSBPC,SLICHPS主接地網(wǎng),安裝管廊柱的接地并連接到主接地網(wǎng).Themainearthingdevice,whichconstructedbyourcompany,includedthemainearthingnetatperipheralofA400,B400,B600,A520,andA545.AndalsoconnecttotheearthingnetofA500andA600area,supplyandinstalltheearthingconnectingofB501,B545,B609,B620,B648,A520,A545andB541tothemainearthingnet,SBPCearthingconnecttonorthofSLICandsouthofSLIC,installthegroundrodoffenceandstreetlampandconnecttothemainearthingnet,installtheearthingofpiperackcolumnandconnecttothemainnet.AswellastheearthingnetatnorthofSLIC,maketheearthingnetofB343,B342,B345,B350,B330,B325,B301,B321,B330andB341connecttothemainnet,connecttheearthingfromnorthofSLICtoSBPC,southofSLICandearthingnetofHPS,installthegroundrodoffenceandstreetlampandconnecttothemainearthingnet,installtheearthingofpiperackcolumnandconnecttothemainnet.編制依據(jù)Editreference由中國成達工程公司供給的相關(guān)施工圖及配套的安裝圖集RelatedconstructiondrawingandallocatedinstallationdrawingwhichofferedbyChinaChengdaEngineeringCompany.由集團上海工程供給的相關(guān)施工圖及配套的安裝圖集RelatedconstructiondrawingandallocatedinstallationdrawingwhichofferedbyChinaPetrochemicalGroupShanghaiEngineeringCompanyLtd.《電氣裝置安裝工程電纜線路施工及驗收標(biāo)準(zhǔn)》GB50168-92<ElectricalDeviceInstallationEngineeringCableCircuitConstructionandAcceptanceCode>GB50168-92《電氣裝置安裝工程接地裝置施工及驗收標(biāo)準(zhǔn)》GB50169-92<ElectricalDeviceInstallationEngineeringCableCircuitConstructionandAcceptanceCode>GB50169-92施工程序及施工技術(shù)措施ConstructionProcedureandTechnicalMeasureofConstruction主管技術(shù)人員向施工班組作技術(shù)交底并作好技術(shù)交底資料，使施工人員生疏該工程的技術(shù)要求及要領(lǐng)，以便順當(dāng)完成電氣安裝工作。Previous construction: Organize construction team and related personnel to beacquaintedwithrespectiveconstructiondrawing,data,specificationandstandardetc.Chieftechnicianshallmaketechnicalorientationforconstructionteamandletthemfamiliarwithkeytechnicalrequirementinconveniencetofinishelectricalinstallationfavorably.隱蔽工程隱蔽之前，應(yīng)辦理隱蔽工程驗收記錄，經(jīng)自檢和工程監(jiān)理驗收合格前方可隱蔽。Previoustoconcealment,prepareconcealworkacceptancerecords,concealworkcouldonlystartafterself-checkingandapprovedbyconstructionsupervisioncompany.電氣安裝工程總則Generalcodeforelectricalinstallation必需依據(jù)圖紙中的施工說明進展施工；Constructionaccordingtotheillustrationofconstructiondrawing;全部電氣設(shè)備安裝應(yīng)嚴(yán)格依據(jù)施工圖及有關(guān)標(biāo)準(zhǔn)要求及施工程序進展；All electrical equipment shall strictly as per construction drawing and requirementofspecificationaswellasconstructionprocedure.全部在室內(nèi)安裝的電氣設(shè)備在運至安裝地點之前方能開箱并進展最初檢驗；Allelectricalequipmentforroominstallationcouldonlybeopeningafterdeliverytotheinstallationsiteandperformprimaryinspectionatsite.危急區(qū)域的電氣設(shè)備安裝應(yīng)嚴(yán)格按〔防火、防腐〕要求進展；Electricalequipmentinstallationfordangerzoneshallbeperformedasperrequirementoffireproofingandantisepsis.防雷接地裝置安裝Installationforlightningprotectionandearthingdevice防雷、接地裝置安裝應(yīng)嚴(yán)格按施工圖施工。Installationforlightningprotectionandearthingdeviceshallbeconstructedaccordingtotheconstructiondrawingstringent.防雷接地裝置所用材料應(yīng)符合規(guī)定及設(shè)計要求，并且有合格證。Thematerialforlightningprotectionandearthingdeviceshallconformtotherequirementofstipulationanddesigningalongwithqualifiedcertificate.接地裝置的埋地和隱蔽局部，閱歷收合格前方可隱蔽，并做好記錄。Embeddedandconcealmentpartofearthingdevicecouldonlybeconcealedafterinspectionandqualifiedtogetherwithrecords.接地電阻值應(yīng)符合設(shè)計要求。Thevalueofearthingresistanceshallbeinconformancewithdesignrequirement.依據(jù)設(shè)計要求，不帶電的金屬殼體均要接地。Accordingtodesignrequirements,allmetalshellwithoutelectriferousshallbeearthing.以下狀況，均應(yīng)接地：Allfollowinginstanceshallbeearthing:變壓器中性點應(yīng)工作接地。Neutralpointoftransformershallworkearthing.開關(guān)柜根底、電機、變壓器和其它電氣設(shè)備的金屬外殼和底座均應(yīng)接地。Foundationofswitchcabinet,outsideshellandpedestalofelectricalmachinery,transformerandotherelectricalequipmentshallbeearthing.電力電纜、掌握電纜的金屬護套、保護鋼管、電纜支架均應(yīng)接地。Cableofelectricpower,metaljacket,andprotectionsteelpipealongwithcablesupportforcontrollingcableshallbeearthing.電流互感器的二次線圈應(yīng)接地。Secondarycoilofcurrentmutualinductorshallbeearthing. 3m，并依據(jù)設(shè)計圖標(biāo)出的接地體和接地線的材質(zhì)、規(guī)格備料。Constructiontechnicalmeasure:Pullingthelineasperthepositionofearthingobjectandgroundingcablewhichmarkedinplanedrawingofearthingdevice,minimumdistancefromearthingobjecttobuildingshallbe3m,andpreparematerialaccordingtothetextureanddimensionofearthingobjectandgroundingcablewhichmarkedinthedesigningdrawing.接地極安裝：接地極承受熱鍍鋅鋼棒20mmDIA.×3OO0mml300mm，以便與接地線連接，每根接地極都配有300×350mm〔詳見安裝圖例。Installationforearthingpole:Utilizingofhotgalvanizedrod20mmDIA.×3OO0mmlforearthingpole.Digadrenchwithdepthof0.8～1mandwidthof0.5malongwiththerouteofearthingobjectasperdesigningdrawing,thendrivetheearthingobjectintogroundbyusingahammer.Thetopofearthingobjectshallbe protrudentwith300mmatthebottomofthedrenchinconvenienceto connectwithearthingcable,eachgroundingpoleallocatewith300×350mmconcreteinspectionwell(Seedetailsoflegendofinstallation)70mm2裸銅絞線，分支接地線承受黃/PVC0.6m0.6m0.5m溝，將接地線水平埋入溝中，全部接地線均承受壓縮連接。Layingforearthingcable:Mainearthingnetusing70mm2nakedcoppertwistcable,branchearthingcableusingyellow/greenPVCinsulatedjacketcable,earthingcableembeddedinleveltothegroundatthedepthof0.6m.Whilelaying,firstdigadrenchwithdepthofnolessthan0.6mandwidthof0.5m,embeddedtheearthingcableinleveltothedrench,allearthingcableusingcompressconnecting.接地電阻測量：各裝置區(qū)接地施工完后，均應(yīng)承受接地電阻測試儀進展測量，接地電阻不大于4歐姆，如不滿足要求，另在設(shè)計及甲方認(rèn)可后增設(shè)接地極。Earthingresistancemeasurement:Afterfinishedconstructionforeachdeviceareaearthingwork,shouldbemeasuredbyearthingresistancemeasurementinstrument,theearthingresistanceshallbenolessthan4ohm,ifcannotmeetrequirement,addearthingpoleafterapprovedbytheclient.路燈電纜敷設(shè)：Streetlampcablelaying:纜型號、規(guī)格、長度應(yīng)符合要求，附件齊全，電纜外觀不應(yīng)受損。Afterthecableandattachmentarrivedsite,performinspectionaccordingtothefollowingrequirement:wholesetoftechnicaldocuments.Type,size andlengthofcableconformstotherequirementstogetherwithwholesetofaccessory,nodamageontheappearanceofthecable.敷設(shè)前應(yīng)按設(shè)計和電纜表對號入座進展敷設(shè)，敷設(shè)前電纜試驗合格。Checkthenumberwiththeseatasperdesignandcablelistprevioustolay,andthetestingforcableshallbequalifiedprevioustolay.電纜在終端頭與接頭附件宜留有備長度。Cableshallkeepsparelengthattheterminalendandjointaccessory.電纜各支持點間的距離及最小彎曲應(yīng)符合要求：The distancebetween each cable support point and the minimum curve shall be conformancewithrequirement:電纜上應(yīng)按規(guī)定裝設(shè)標(biāo)志牌。Identificationplateshallbefurnishedonthecableasperstipulation.直埋電纜的敷設(shè)應(yīng)按以下要求：Layingfordirectlyembeddedcableshallmeetthefollowingrequirement:電纜外表距地面距離0.6m。Thedistancefromthesurfaceofcabletothegroundshouldbe0.6m.電纜之間平行和穿插時的最小凈距應(yīng)符合標(biāo)準(zhǔn)要求。Theminimumnetdistancebetweenparallelandcrossofcablesshallconformtothespecificationrequirement.電纜穿過道路時，應(yīng)加保護管。Thecableshallbeprotectedwithprotectionpipewhilethroughtheroad.直埋電纜的上、下都應(yīng)鋪不小于100mm厚的沙層，并加保護蓋板。Thetopandbottomofdirectlyembeddedcableshallbepavedwi