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1、某某福邸1#.4#.5#.S-1#.W-1#楼及地下室施工现场临时用电施工方案某某 新源某某福邸一期二标项目部某某年六月目录一、施工条件31、工程概况32、施工现场用电量统计表3二、设计内容和步骤41、现场勘探及初步设计42、确定用电负荷43、选择变压器144、选择总箱的进线截面及进线开关145、1#、W-1#楼线路上导线截面及分配箱、开关箱内电气设备选择146、4#楼线路上导线截面及分配箱、开关箱内电气设备选择297、5#楼线路上导线截面及分配箱、开关箱内电气设备选择418、干4线路上导线截面及分配箱、开关箱内电气设备选择51三、绘制临时供电施工图561、临时供电系统图:562、施工现场临时
2、用电平面图:63四、安全用电技术措施63(一)安全用电技术措施63(二)安全用电组织措施72(三)自备电源的安全技术要求73(四) 外电防护的安全技术要求75五、安全用电防火措施75(一)施工现场发生火灾的主要原因75(二)预防电气火灾的措施76六、现场安全技术档案77七、安全距离与外电防护78八、现场临时用电管理制度79九、触电事故的应急处理80施工现场临时用电设计一、施工条件1、工程概况本工程项目为惠天然。锦绣福邸住宅楼工程,该项目位于如东县掘港口镇钟山路西侧,富春江路北侧。本工程由1#、4#、5#、S-1#、W-1#楼组成,本工程总建筑建筑面积为57030.75平方米。其中1#楼建筑面积
3、11940.39平方米,地下一层,地上十六层;4#楼建筑面积14125.34平方米,地下一层,地上十八层;5#楼建筑面积12311.90平方米,地下一层,地上十八层;建筑高度为52.85米(1#楼)、58.65米(4#、5#楼)。本工程为剪力墙结构,基础为筏板基础。抗震设防烈度7度;建筑耐火等级一级;屋面防水等级二级;抗震等级为三级,结构安全等级二级,使用年限50年。2、施工现场用电量统计表序号设备名称铭牌功率(kW)安装功率(kW)数量合计功率(kW)1塔式起重机_QT40(TQ2-6)484831442自落式混凝土搅拌机_JD35015154603建筑施工外用电梯_SCD100/100A1
4、1112224插入式振动器_ZX501.11.11112.15平板振动器ZB111.11.122.26钢筋对焊机75kVA204807钢筋调直机2.82.812.88钢筋切断机_QJ4077179交流电焊机_BX3-300-223.4kVA10.53442.1210木工圆锯_MJ104333911钢筋弯曲机_ZC25-B35.55.542212电刨子4493613钢筋切断机5.55.5316.514平板振动器2.52.537.515圆盘锯551516蛙式夯土机_HW-321.51.511.517镝灯3.53.5310.518空调1.51.52537.519蒸饭机991920日灯0.040.04
5、502二、设计内容和步骤1、现场勘探及初步设计(1)本工程所在施工现场范围内无各种埋地管线。(2)现场采用380V低压供电,设一配电总箱,内有计量设备,采用TN-S系统供电。(3)根据施工现场用电设备布置情况,总线采用电缆线空气明敷,1#、W-1#楼采用电缆线埋地敷设,4#楼采用电缆线埋地敷设,5#楼采用电缆线埋地敷设,1#、W-1#二级箱采用电缆线埋地敷设,1#、W-1#楼二级箱采用电缆线埋地敷设,1#、W-1#楼二级箱采用电缆线埋地敷设,4#楼二级箱采用电缆线埋地敷设,4#二级箱采用电缆线埋地敷设,5#楼二级箱采用电缆线埋地敷设,5#楼二级箱采用电缆线埋地敷设,照明采用导线架空敷设,布置位
6、置及线路走向参见临时配电系统图及现场平面图,采用三级配电,两极防护采用三级配电,两极防护。(4)按照JGJ46-2005规定制定施工组织设计,接地电阻R4。2、确定用电负荷(1)塔式起重机_QT40(TQ2-6)组Kx = 0.30,Cos = 0.70,tg = 1.02将Jc = 40%统一换算到Jc = 25%的额定容量Pe = n(Jc/Jc1)1/2Pn = 1(0.40/0.25)1/248.00 = 60.72kWPjs = KxPe = 0.30 60.72 = 18.21kWQjs = Pjstg = 18.21 1.02 = 18.58kVar(2)自落式混凝土搅拌机_JD
7、350组Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = KxPe = 0.70 15.00 = 10.50kWQjs = Pjstg = 10.50 1.08 = 11.32kVar(3)建筑施工外用电梯_SCD100/100A组Kx = 0.30,Cos = 0.70,tg = 1.02Pjs = KxPe = 0.30 11.00 = 3.30kWQjs = Pjstg = 3.30 1.02 = 3.37kVar(4)自落式混凝土搅拌机_JD350组Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = KxPe = 0.70 15.00 = 10
8、.50kWQjs = Pjstg = 10.50 1.08 = 11.32kVar(5)插入式振动器_ZX50组Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = KxPe = 0.70 1.10 = 0.77kWQjs = Pjstg = 0.77 1.08 = 0.83kVar(6)平板振动器ZB11组Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = KxPe = 0.70 1.10 = 0.77kWQjs = Pjstg = 0.77 1.08 = 0.83kVar(7)钢筋对焊机组Kx = 0.45,Cos = 0.40,tg = 2.29Pj
9、s = KxPe = 0.45 20.00 = 9.00kWQjs = Pjstg = 9.00 2.29 = 20.62kVar(8)钢筋调直机组Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = KxPe = 0.70 2.80 = 1.96kWQjs = Pjstg = 1.96 2.29 = 4.49kVar(9)钢筋切断机_QJ40组Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = KxPe = 0.70 7.00 = 4.90kWQjs = Pjstg = 4.90 2.29 = 11.23kVar(10)交流电焊机_BX3-300-2组K
10、x = 0.45,Cos = 0.45,tg = 1.98将Jc = 40%统一换算到Jc = 100%的额定容量Pe = n(Jc/Jc1)1/2Pn = 1(0.40/1.00)1/210.53 = 6.66kWPjs = KxPe = 0.45 6.66 = 3.00kWQjs = Pjstg = 3.00 1.98 = 5.95kVar(11)木工圆锯_MJ104组Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = KxPe = 0.70 6.00 = 4.20kWQjs = Pjstg = 4.20 1.02 = 4.28kVar(12)钢筋弯曲机_ZC25-B3
11、组Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = KxPe = 0.70 5.50 = 3.85kWQjs = Pjstg = 3.85 2.29 = 8.82kVar(13)电刨子组Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = KxPe = 0.70 12.00 = 8.40kWQjs = Pjstg = 8.40 1.02 = 8.57kVar(14)塔式起重机_QT40(TQ2-6)组Kx = 0.30,Cos = 0.70,tg = 1.02将Jc = 40%统一换算到Jc = 25%的额定容量Pe = n(Jc/Jc1)1/2Pn =
12、 1(0.40/0.25)1/248.00 = 60.72kWPjs = KxPe = 0.30 60.72 = 18.21kWQjs = Pjstg = 18.21 1.02 = 18.58kVar(15)自落式混凝土搅拌机_JD350组Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = KxPe = 0.70 15.00 = 10.50kWQjs = Pjstg = 10.50 1.08 = 11.32kVar(16)插入式振动器_ZX50组Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = KxPe = 0.70 1.10 = 0.77kWQjs
13、= Pjstg = 0.77 1.08 = 0.83kVar(17)平板振动器ZB11组Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = KxPe = 0.70 1.10 = 0.77kWQjs = Pjstg = 0.77 1.08 = 0.83kVar(18)插入式振动器_ZX50组Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = KxPe = 0.70 3.30 = 2.31kWQjs = Pjstg = 2.31 1.08 = 2.49kVar(19)钢筋对焊机组Kx = 0.45,Cos = 0.40,tg = 2.29Pjs = KxPe
14、 = 0.45 20.00 = 9.00kWQjs = Pjstg = 9.00 2.29 = 20.62kVar(20)钢筋切断机组Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = KxPe = 0.70 5.50 = 3.85kWQjs = Pjstg = 3.85 2.29 = 8.82kVar(21)钢筋弯曲机_ZC25-B3组Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = KxPe = 0.70 5.50 = 3.85kWQjs = Pjstg = 3.85 2.29 = 8.82kVar(22)交流电焊机_BX3-300-2组Kx = 0.45,Co