1、oleandpi one er modelr ole;to continues tostrengthe ning"fourgood"lea dershi pconstr ucti on,full play levels cadresin enter prisedevelopmentintheWewillcontinuetoimprovethe compa ny's inter nalcontrol system,andsteadyimprovement in a bilitytomanag e and control, optimize busi ness proc

2、esses,to e nsure smooth pr oce sses,re sponsibilitie s inandsystem handover;tostrengtheni ng BFS+,a nd ERP,and SCM,technol ogyapplicationoftraining,improve employee s applicati oni nformation systemof capa cityand level. Humanisticcareto ensure "zero."place ;tofurther strengthe ninter nalc

3、ontrol s,play a contr olpost indepe"Tostrengtheni ng Huma nities care ,continuesto fostercompanywindent oversig ht role ofevaluation com plyingwit h third -party responsi bility;to a ctively make use ofinternala udittools detect potentialma nagement,streamlindclear,a ndg as are,andheart Shunofc

4、ult ureatmosphere ;strengtheni nglovehelpe dtrappe d,care difficult employee s;carrie doutstyle activitien,a nd measure,a nd assessme nt,and report,andcontrolfeedba ckofclosed ri ngmanagement , improve risk preventi onca pacity.ofurther standarne,sta ndar dizerelatedtra nsacti ons,strengt heningoper

5、ationsinas,rich empl oyeeslife;stre ngthe ninghealth a nd la bourprote ction,organidize tradi ng,and striveto achieve"accordingtola w,sta ndardizeandfair." Inccorda ncewit h law. Dee pening the i nformation ma nagementto e nsurefullcommunication"zeroresistance".oconstantlyperfect

6、ERP,and BFS+,and PI,a nd MIS,and SCM, i nformation systembasedconstr ucti on,full i ntegration i nformation sy stem,achi eved informati onresourzation career health medical, controlcare eragainst; continues toimplementation psy chologicalwarni ng preve ntion system,training employee s healt h of cha

7、racter,a nd stable ofmood a nd e nterpri singofattitude,created friendlyfraternity ofHumanitiesenvironment.ostre ngthe n riovationofperformance ma nagement,to e nsure that potentialemployees"zero fly". T ostrengt hen performancemanagement,process control, enha nce employe e evaluati onand

8、level s of effectivecommunication toim proveperforma ncema nagement. ofurtherquantifyandrefineempl oyeestandards .Work,fullplaydtha nd depth,play information systemon ent erprise ofAssistantrolof"zero risk".To strengthened busine ss pl ans ma nagement, willbusine ssbusiparty,a nd bra nch,a

9、nd membersi n"fivetype Enterpri se"construction i nthee;to perfectdai lyrunmainte nance operati on of records, prom oteproblemreaness planscover toalllevel,ensurethe businessca n controli n control;t ocl osofcore rol e,andfightingfortressroleandpi one er modelr ole;to continues tostre施工臨時用

10、電、用水方案ofbackboneba ckbone rol e; tofullstre ngthe ning member s yout hwork,full playyout h empl oyees in companydevel opme ntin the offorce role;to improve i nde pende ntCommissionagainstcorruptionwork level,strengthe ning one nterprisebusine ss key link ofeffectiveness monitored.,And maintain stabi

11、lity.To furtherstr ngthe npublicity a nd e ducation,imhen safetymanagement,establisha nd im provethe e ducation,supervi sion,andevaluati on as one ofthe trafficsafetymanagement mechanism.o conscie ntiouslysum uptheOlympic se curity control s, pr omoting i ntegrated managementto ahigher level, hig he

12、rstandards,a higherlevelof devel opme nt.Empl oyees,todayislunar calendaron Decem ber24,t heoxBellisaboutto ring,at thistimeof year,we cle arlyfeelthepulseof the XX powergenerationcompanyt oflouri sh,tomore clearlyhe arXX powergenerationcompa niesmaturea nd symmetrybreathing.Recalli ngpast one工程概況、特

13、點及環(huán)境狀況一、編制依據(jù):根據(jù)安全生產(chǎn)法、 建筑法、 建設(shè)工程安全生產(chǎn)管理條例、 安全生產(chǎn)許可證條例、 建質(zhì) 2004213 號 危險性較大工程安全專項施工方案編制及專家論證審查辦法，為更好的做好生產(chǎn)安全工作，指導(dǎo)施工現(xiàn)場的安全用電和合理布置用電線路，避免觸電傷害，消除電氣火災(zāi)，特編制本臨時用電施工組織設(shè)計 。 本 臨時用電施工組織設(shè)計， 依據(jù)本工程特點及現(xiàn)場情況綜合考慮而設(shè)計， 以JGJ46-200 5 施工現(xiàn)場臨時用電安全技術(shù)規(guī)范為主要依據(jù)，和 JGJ5p-99檢查標(biāo)準(zhǔn)。二、工程概況：本工程為海棠花園46樓，是鳳臺路海棠花園小區(qū)內(nèi)，建筑面積4341 平方米，異型框架結(jié)構(gòu)平屋面建筑，獨立基礎(chǔ)

14、深-2.4 至 -5.2 米，其它標(biāo)準(zhǔn)層層高為2900mm,總高度 17.9米，總長 65.30m,寬 11.94m。三、總體部屬：海棠花園46#樓工程現(xiàn)場臨時用電布置，本著經(jīng)濟、實用的原則，在充分考慮地下結(jié)構(gòu)、臨建的平面布置及將來地上結(jié)構(gòu)施工的整體情況下，現(xiàn)場臨時用電布置如下：1、生活區(qū)臨時電源布置：（ 1）本工程生活區(qū)場地統(tǒng)一規(guī)劃布置，建設(shè)單位已在現(xiàn)場的西南角給定接線位置 （位于鳳臺路上）， 電源線架空引至總配電箱。該總配電箱的出線由沿圍墻，引至我項目部生活區(qū)約40m, 我項目部生活區(qū)的電源由此架空接續(xù)引入。（ 2）電氣布置：總配電箱二級分配箱開關(guān)箱2、現(xiàn)場臨時用電按三個回路：第一回路主要

15、是供鋼筋加工、，擔(dān)負(fù)彎曲機、切斷機、調(diào)直機、備用設(shè)備用電。第二回路主要為電渣壓力焊、對接焊、電焊機三個設(shè)配現(xiàn)場不同時使用計Wewillcontinuetoimprovethe compa ny's inter nalcontrol system,andsteadyimprovement in a bilitytomanag e and control, optimize busi ness process es,toe nsure smooth pr oce sses,re sponsibilitie s in place ;tofurther strengthe ninter nal

16、control s,play acontr olpost indepeandsystem handover;tostrengtheni ng BFS+,a nd ERP,and SCM,technol ogyapplicationoftraining,improve employee s applicati oni nformation systemof capa cityand level. Humanisticcareto ensure "zero."Tostrengtheni ng Huma nities care ,continuesto fostercompany

17、wiandcoalele ctricli nkage,and energy-savingscheduling , nationalpolicytrends,strengtheni ng track,active shoul d;to impleme ntation State-owned assets met hod,furtherspe cification busine ssfina ncialma nagement;t o perfect riskt ube controlsystem,achievedrisk recognitindent oversig ht role ofevalu

18、ation com plyingwit h third-party responsibility;to andclear,a ndg as are,andheart Shunof cult ureatmosphere ;strengthenin,a nd measure,a nd assessme nt,and report,andcontrolfeedba ckofclosed rictively make use ofinternala udittools detect potentialma nagement,streamlinglovehelpe dtrappe d,care diff

19、icult employee s;carrie doutstyle activitiengmanagement , improve risk preventi onca pacity.ofurther standarne,sta ndar dizerelatedtra nsacti ons,strengt heningoperationsinas,rich empl oyeeslife;stre ngthe ninghealth a nd la bourprote ction,organidize tradi ng,and striveto achieve"accordingtola

20、 w,sta ndardizeandfair." Inccorda ncewit h law. Dee pening the i nformation ma nagementto e nsurefullcommunication"zeroresistance".oconstantlyperfectERP,and BFS+,and PI,a nd MIS,and SCM, i nformation systembasedconstr ucti on,full i ntegration i nformation sy stem,achi eved informati

21、onresourzation career health medical, controlcare eragainst; continues toim pl ementation psy chologicalwarni ng preve ntion system,training employee s healt h of character,a nd stable ofmood a nd e nterpri singofattitude,created friendlyfraternity ofHumanitiesenvironment.ostre ngthe n riovationofpe

22、rformance ma nagement,to e nsure that potentialemployees"zero fly". T ostrengt hen performancemanagement,process control, enha nce employe e evaluati onand level s of effectivecommunication toim proveperforma ncema nagement. ofurtherquantifyandrefineempl oyeestandards .Work,fullplaydtha nd

23、 depth, of"zero risk".To strengthene-_ _ - >L>Iparty,a nd bra nch, and membersi,play information systemon ent erprise ofAssistantrold busine ss pl ans ma nagement, willbusine ssbusin"fivetype Enterpri se"construction i ntheness eps ep;latnoscovpeerrtfoecatlldlaeivel,elyrunm

24、 e,andfightingfortressrofcore rolainte nance operati on of records, prom oteproblemreasonsanalysi snsurethe businessca n controli n control;t ocl oseconcer n financial,算荷載時取最大，對焊機、電焊機不另計算。第三回路主要供龍門架、攪拌機、原盤踞備用設(shè)備。注：室內(nèi)外照明從各動力開關(guān)箱照明接取，取設(shè)配用電的10%。3、施工現(xiàn)場配電要求1、總配電箱、分配電箱、開關(guān)箱（移動式開關(guān)箱、專用開關(guān)箱）及箱內(nèi)電器、 配電用電線、電纜等必須是國家

25、鑒定質(zhì)量可靠的定型合格產(chǎn)品。無論是選用新電器，還是沿用原有電器，必須完整，無損，動作可靠，絕緣良好。嚴(yán)禁使用破損和不合格的電器。2、施工現(xiàn)場用電，必須采用 TN-S接零保護系統(tǒng)，采用三級配電（總配電、分配、開關(guān)），二級漏電保護（首級、末級）。3、用電設(shè)備實行“一機、一閘、一漏、一箱”, 并做到電器額定值與用電設(shè)備額定容量相適應(yīng)，嚴(yán)禁一閘多用。配電箱、 開關(guān)箱內(nèi)的電器應(yīng)與配電線路一一對應(yīng)配合，作分路設(shè)置，以確保專路?？?。4、總配電箱和開關(guān)箱設(shè)置的漏電保護器, 其他額定漏電動作應(yīng)做合理配合,使之具有分級, 分段保護功能?？偱潆娤?、開關(guān)箱中漏電保護器的額定漏電動作電流不應(yīng)大于30mA額定漏電動作時間

26、不應(yīng)大于 0.1s。使用于潮濕或有腐蝕介 質(zhì)場所的漏電保護器的額定漏電動作電流不應(yīng)大于 15mA額定漏電動作時間不 應(yīng)大于 0.1s。5、配電箱、開關(guān)箱的進出線必須采用阻燃 PVC蹩料止水管彎，做到防水、 防雨、門鎖齊全。6、 進入配電箱和開關(guān)箱電纜線做固定連接, 整齊 , 嚴(yán)禁通過插銷作活動連接。專用保護零線必須通過專用接線端子連接緊密. 與工作零線分開設(shè)置并要有標(biāo)識。7、 施工現(xiàn)場除利用變壓器中性點工作接地做為總配電房重復(fù)接地外, 還必須在現(xiàn)場總配電箱、保護零線終端和中端各做一組重復(fù)接地. 重復(fù)接地不少于三處,并滿足接地電阻小于10Q的要求。8、龍門架應(yīng)設(shè)防雷裝置, 頂端裝設(shè)接閃器, 利用

27、在建筑工程已敷設(shè)的接地母線作防雷接地極，其電阻為4Q. 施工臨時用電方案1 .施工臨時用電配置要點（TN-S系統(tǒng)）anotheracross araili ng,we are e nthusiastic a nd full of confidence.F uturedevelopmentopportunities,wemore excitingfightmore spirited.Employees, letustogetheracross 2013fullofchallengesandopportunities,to createa green, l ow-cost operati on,f

28、ull ofhumanecare ofa world-cla sspowerge nerationcompanyandw orkhard! T he occasi on oftheSpri ng Festival,my sincerewish t hat you a nd the familiesof the staff in the new year,ggdle .- p .n. I oflpa e- d et - e eam. ihWewillcontinuetoimprovethe compa ny's inter nalcontrol system,andsteadyimpro

29、vement in a bilitytomanag e and control, optimize busi ness processes,to e nsure smooth pr oce sses,re sponsibilitie s inandsystem handover;tostrengtheni ng BFS+,a nd ERP,and SCM,technol ogyapplicationoftraining,improve employee s applicati oni nformation systemof capa cityand level. Humanisticcaret

30、o ensure "zero."place ;tofurther strengthe ninter nalcontrol s,play acontr olpost indepe"Tostrengtheni ng Huma nities care ,continuesto fostercompanywindent oversig ht role ofevaluation comndclear,a ndg as are,andheart Shunplyingwoiftculth tuhrireda-ptmarotysprhesepreonsi;strebniligtt

31、hy;etnoiactively make use ofinternala udittools detect potentialma nagement,streamlinglovehelpe dtrappe d,care difficult employee s;carrie doutstyle activitiene,sta ndar dizerelatedtra nsacti ons,strengt heningoperationsinas,rich empl oyeeslife;stre ngthe ninghealth a nd la bourprote ction,organidiz

32、e tradi ng,and striveto achieve"accordingtola w,sta ndardizeandfair." Inccorda ncewit h law. Dee pening the i nformation ma nagementto e nsurefullcommunication"zeroresistance".oconstantlyperfectERP,and BFS+,and PI,a nd MIS,and SCM, i nformation systembasedconstr ucti on,full i nt

33、egration i nformation sy stem,achi eved informati onresourzation career health medical, controlcare eragainst; continues toimplementation psy chologicalwarni ng preve ntion system,training employee s healt h of character,a nd stable ofmood a nd e nterpri singof attitude,create d friendlyfraternity o

34、fHumanitiesenvironment.ostre ngthe n riovationofperformance ma nagement,to e nsure that potentialemployees"zero fly". T ostrengt hen performancemanagement,process control, enha nce employe e evaluati onand level s of effectivecommunication toim proveperf orma ncema nagement. ofurtherquanti

35、fyandrefineempl oyeestandards .Work,fullplayness odtha nd depth,play information systemon ent erprise ofAssistantrolef" zero risk".Tostrengthened busine ss pl ans ma nagement, willbusine ssbusi ness p->L>I , I _ - -Ise"construction inthe ofcore role;to perfect dai ly run main s

36、planscover toalllevel,en mainte nance operati on of records, prom oteproblemreasonsanalysinsurethe businessca n controli n control;t ocl oseconcer n financial,現(xiàn)場臨時用電的總原則是：三級配電、兩級保護，一機一閘一箱一漏。采用TN-S供電系統(tǒng)，在施工現(xiàn)場專用的中性點直接接地的電氣線路中，設(shè)總配電箱（配電房）、分配電箱、閘箱?？偱潆娤浞譃閮陕罚鹤鳛橐粋€施工段，作一個施工段，設(shè)置總配電箱1 套，按照電流表、電壓表、電度表，帶防護罩式的總隔離開

37、關(guān)、總漏電斷路器布置，分路帶防護罩式的分隔離開關(guān)、分路斷路器、分設(shè)在箱底的工作零線（N）和保護零線（P6端子排。在漏電斷路前作一組重復(fù)接地，引入銅材質(zhì)（多股銅線） 兩根接地裝置上設(shè)置的兩處斷開點相接，保證重復(fù)接地的可靠性。分配電箱設(shè)置在用電設(shè)備或負(fù)荷相對集中的地區(qū)，進入主體裝修時，根據(jù)裝修用電設(shè)備需要的多少，每兩層設(shè)置分箱。分配電箱內(nèi)的電器與總配電箱相比，除不再安裝電流表、電壓表、電度表外，其余同總配電箱（線徑除外）。第二組重復(fù)接地設(shè)置在用電設(shè)備比較集中的分配電箱處，做法同第一組重復(fù)接地。開關(guān)箱設(shè)置在距用電設(shè)備不大于 3m的地方（便于操作、檢修）。箱內(nèi)配置防 護罩式隔離開關(guān)，漏電斷路器。分設(shè)的

38、工作零線（N）和保護零線（P6端子排。 離配電箱最遠處的用電設(shè)備作第三組重復(fù)接地。重復(fù)接地地阻值不大于10QO總配電箱、分配電箱、開關(guān)箱鐵制、有門、有鎖、防雨、防塵，鐵皮厚度不小于1.5mm箱內(nèi)的導(dǎo)線、電器元件經(jīng)過負(fù)荷計算選擇，導(dǎo)線截面與開關(guān)額定值匹配， 隔離開關(guān)有防護罩式，不得使用帶電體部分裸露的隔離開關(guān)。導(dǎo)線與電器裝置的聯(lián)接及各種匯流排的安裝符合電器安裝的規(guī)范和標(biāo)準(zhǔn)。各種電器元件之間距離不小于30mm離箱四周邊和箱門里面不小于 40mm箱內(nèi)設(shè)備與箱體使用 能夠緊固的金屬或非木質(zhì)的絕緣電器安裝板，電器元件規(guī)范地安裝在安裝板上。箱體、金屬安裝板和箱門之間用保護零線（P6作電氣聯(lián)接，將箱門的聯(lián)接

39、做成螺旋式。箱體的進、出線口設(shè)在箱底，進、出線加護套分路成束，移動式箱體的進、出線采用雙絕緣橡套電纜。進入箱體內(nèi)的電纜線，嚴(yán)禁用插銷連接。箱門里面張貼本箱負(fù)荷系統(tǒng)圖，開關(guān)回路控制標(biāo)示明確。末級開關(guān)箱內(nèi)設(shè)額定漏電動作電流不大于30mA額定漏電動作時間不大于0.10s的漏電保護器。手持電動工具使用的漏電保護器，具額定漏電動作電流不大于15Ma額定漏電動作時間不大于0.10s ,分配電箱和總配電箱的漏電保護器經(jīng)計算選擇。箱體里外刷油漆， 外面刷成桔黃色，正面左上角做用電標(biāo)記，箱體有序編號。箱體安裝端正、牢固，箱體與地面垂直距離在1.5-1.8m 。移動配電箱設(shè)在ofbackbone ba ckbon

40、e rol e;to fullstre ngthe ning member syout hwork,full playyouth employee sin compa ny devel opmenti n the offorce role;to improveinde pendent Commissi on agai nst corruptionw ork level,stre ngthe ning on enterprisebusiness key linkofeffectivene ss monitore d.,A nd mai ntainsta bility.ofurtherstre n

41、gthe n publi cityandeducation, improve the overalllegalsystem.Wemuststrengthen safetymanagement, establi sh a ndimpr ovethee ducation,supe rvision, and evaluationasoneofthe trafficsafetymanagementmecha nism.oconscienti ously sum up the Olympic security controls,promotingi ntegrated managementto ahig

42、herlevel,higherstandards, ahig herlevelofdevelopment.Employees,today is l unar cale ndaron De cember24,theoxBellisa boutto ring,at thi stimeofyear,we clearlyfeelthe pulseofthe XXpowerge neration com panytoflourish,tomoreclearlyhear XX powergeneration companiesmat ure and symmetrybreathing.Recallingp

43、astoneanotheracrossa railing,weare e nthusiastica ndfull ofconfidence. F uturedevelopment opportunities,wemoreexcitingfight morespirited.generation companyand workhard!The occasion oftheS pring Festival,mysincerewish that you and t hefamilies ofthestaffin thenew year,g oodhealt h,a .l l ri l k. npoj

44、.n -aB-, g - - gavp a .to y.s bfS n- M t og ppig -d - IP - rn im I mng compime -pplalo o .n、- .e . ap-i nomlo yi-g . aie - I imlmna ,a.一nes poaes e, o e nue sm_ p. ooessa e sonniblIe s no yemo .aa uy and e-l KmnisI. e o enue '-eo'nd assa meho, ue seOia- buie ss fna nil maplae to ute. slrngen

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46、 of la ui tos p .ng 、ped Iape d |> du p_ee s； re d -i on- . syeemee-lo u-e stadaP de t - i.na. die ._d lansaa on, sen. ienig ope-s n aoe>s ie sIen.e nngh a nd a lou poe ,.-n, ad sie o aH-e aarodng o a r - dd I Ind ai." n<a e Wt h . p ng t . i n_mat_-Hr h medal.一 na t o e nue ffl non o

47、esitna"e. aginI；. tom p e naonp.>-o_ial wano e nue poenai m oyei "e.''- a".of"osmg -no lonlnty E" BFl a - PI, a.pe-eon sytm, lanig poee s -al h o .-aate, aInpe.omane manigimen. poaeu lonlol end Ml SIM ino yem based u.- bl i ga - inom- sy slm a-ie-d I o esou11ale o

48、 a e .i sig of Hi , d findy bOeny of Hmaiis miomel o ste ngle n .ie eau. on and e-l s o efle ai '.t.m p.ioimanie.a -gmen.o ur - an efd a ndnomaio yem o enepie of Asiant olenes o "eo .ik. To send buine ss pl as naemnI ri buiess nes pJ . 一 _ _la. a nd ba nn and m sin'iey_E.n . .in -e of -

49、 e.oe a y un man s pans _-r to al e-i e 'e and fg-ng otess .-ma_e -e o o . 、poe p m .eao- anaylnue tie n to i n t o a oe n oe； o n o Uen>enng一oe Ind p one e mse .堅固的支座上，箱底距地面的垂直距離在 0.6-1.5m范圍之內(nèi)。配電箱、開關(guān)箱 安裝在干燥、通風(fēng)及常溫場所，周圍有足夠二人同時工作的空間和通道，不得堆放任何防礙操作、維修物品?，F(xiàn)場和施工線路采用埋設(shè)和架設(shè)兩種，埋設(shè)線路穿管保護。穿管要從接線 頭起（管內(nèi)嚴(yán)禁有接線

50、頭），直至用電設(shè)備的接線盒，穿管的垂直部分做防水彎。 直埋使用鎧電纜，具外皮金屬部分與保護零線連接。架設(shè)線路架在有效稍徑不小 于130mm勺電桿上，規(guī)范設(shè)置橫擔(dān)和絕緣子。線路的相序排列做到面向負(fù)荷從左 側(cè)起為L1、N、L2、L3、PE,顏色分別為黃、綠、紅、黑、黃綠間隔。過人的架 空線路不低于4m （室內(nèi)敷設(shè)線路不低于2.5m）,過車的架空線路不低于6nl 2.現(xiàn)場臨時用電量計算用電高峰期出現(xiàn)于上部結(jié)構(gòu)施工期內(nèi)，施工用電主要是龍門架、電梯、電焊 機、木工加工機械、鋼筋加工機械和照明設(shè)備等。主體結(jié)構(gòu)施工期間重要用電機 具極其功率如下表：序號用電類型機械種類型號功率數(shù)量合計1機械設(shè)備鋼筋調(diào)直機7.

51、5KW17.5 KW2鋼筋彎曲機WJ40-13KW13KW3鋼筋切斷機QJ5- 407KW17KW4備用5小計：17.5 KW6焊接設(shè)備電渣電焊機BX3-600-236.2KVA272.4 KW7小計：1 （用于振動棒、平板振動器等）用電8電機設(shè)備龍門架JJK-1.5T7.5KW17.5 KW9攪拌機HJ35015.5KW115.5KW10移動箱10KW110KW11備用12小計：13 KW根據(jù)機械表，本工程用電負(fù)荷可計算如下:三、各線路用電設(shè)備總?cè)萘坑嬎?，并計算電流選擇各線路導(dǎo)線截面第一回路用電設(shè)備容量統(tǒng)計表o baUoe laUne .oe to ul sie ngle nig me. s

52、 yol h k fl ply you h p lyes n-many de-l oment n Ie of o oe；o impoe i nde pede nt lommsion agins in I e-l (e ning . e epse lusiess Iky ik o efea-nss noed. , And man ly To Ue st ngie n pubiiy and e duain, mien saey ng nt -bsh a nd m poe tie eiunin, spe-isin, ealutIn is one o Ie saey maagmen m.lao (on

53、rn i l sum up the Oymm se .uy gotos p. omotigigatd mlnagmlnt to ae e-l highe stndad, a -g-e leel o de-lopme ni E . l ly oay s lna eda InDeem be 24, t he ox Bel is Ibou o .ing, a ts Imeo yea, a - fel -e pule of XX pore leneitIn am|pny to sh to eIleay a pore 一 In 1 n - maue a nd smme.y beihing. >Ra

54、alng pas Ineinoe. ados a .alng ae ensiata and flo .oldene. Iutue le-lp n .pointes moe exing fft e siedEmpoee, le toge-. os 13 ul o >aengis and opotniies to .eie a g n l or-oi oeaiin fl of、mne <ae of a rodlass pore . neaon many and r ol ad T - o.as In of Sp. ng lelal, " snn.eeWs t-I yu a n

55、d Ie fmies o t - saf n Ie nr yea, g廳p機械名稱規(guī)格型號1鋼筋切斷機12鋼筋彎曲機13鋼筋調(diào)直機14木工圓鋸備用不同同時使用5切割機備用不同同時使用小計24.5KW臺數(shù)單機功率（Kvy總功率（kw77鋼筋切斷機33鋼筋彎曲機7.57.5交流電焊機13木工圓鋸2122 P1動力總功率為24.5KW,照明用電按動力用電的10%+算:24.5 X10%=2.45 KW 第一回路總功率三 P1 總=24.5+2.45=26.95KW按允許電流強度選擇導(dǎo)線I1=K!2P1xi000/，3Ucos巾"=0.6 X 26.95 X 1000/( V3X380X 0.7 X0.86)=16170/396.2=40.9A查導(dǎo)線持續(xù)容許電流表，采用YC-3X20 mn2+ 2X12 mm2截面電纜符合要求。（由于施工現(xiàn)場供電線路距離較短， 根據(jù)施工用電安全技術(shù)規(guī)范，導(dǎo)線截面可由 容許電流選定，另本施工現(xiàn)場供電線路均采用電纜穿管埋地敷