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ID:13018732
大小:1016.50 KB
页数:46页
时间:2018-07-20
《建筑施工临时用电设计》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、摘要本设计就如何做好建筑企业施工用电的安全管理,进行了施工现场临时用电组织设计内容的编写。整个设计内容基于对建筑行业安全现状的分析和施工现场用电存在的具体问题的分析结果。除按照有关规范要求,对现场用电负荷进行认真计算分析,设备、设施、开关等做到细心选取和制定安全用电技术措施和电气防火措施外,还增加了相关设备安装要求、防雷措施及安全管理内容的编写。旨在于更加全面的做好施工用电的安全管理与事故预防工作。关键词:建筑施工,临时用电,组织设计nthemainterminal,andthetelephoneOfficeisresponsibleforprovidingtheappr
2、opriatesizeadapterpatchpanelsandelectricalprotectionunit.(Shuttlebus)wiring(IDF)setupintheworkshoponthesecondfloorofthebuilding,locatedintheDistrictofweakelectricalcabinets(well).EngineroomplacedinsidetheCabinet,IDFplacedastandard40Ucabinetsforinstallationofnetworkandwiringdevices,managem
3、entcomputerandtelephoneinformation.CabinetdistributionframearemadeofSuperfiveRJ45patchpanelhorizontaltwistedpairconnections.Computerinformationmanagement,adminareausingthejumpers,whichusesprivateRJ45-RJ45softjumpersfornetworkdeviceswithjumpershoppingbetweenallswitches,changes,expansionand
4、maintenanceweredonequicklyinthewiringcloset.TwistedlengthCentreroomislocatedonthesecondfloor,outwardradiationofeachline(exceptsomepointsmayexceed)doesnotexceed100metresinlength,allinformationforthevariousfloorsallrooms(distributionCabinet)unifiedmanagement.Districtworkshopbuildingdistribu
5、tionlines(IDF)viafiberopticcablesconnectedtothetotalroomcabinets.Fiberlengthwere:workshopstwoIDF:totalmorethan1200squaremeters,doublethenumberofstrandscanbecalculatedbymultiplyingtheaveragelengthofthenumberofinformationpointsare.Averagelevelofeachlengthofcable:L=[(S1+S2)/2]+L1+L2l:average
6、lengthofcable;L1:MDFcableallowance;L2:otherallowancesS1:minimumhorizontalcablelength;S2:maximumhorizontallengthofcable;Officebuildingofinformation:aminimumof26meters,thelongestwas92meters,L=[(28+92)/2]+2.5+1=62.5m;Totallengthof62.5mx792=49500-meterineachbox(KFT)by300meterspercarton;Thetwi
7、sted-paircableboxyouwant=49500÷300=165(KFT);lossesnotincluded,eachabout15meters.Metallineslot,andmetallinetubeofAbstractThedesignonhowtodoagoodjobinbuildingthesecurityofelectricityenterpriseconstructionmanagement,constructionsite,atemporarypowerofthepreparationofthe
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