龙归保障性住房项目施工总承包临电方案.doc

1、目 录目 录1(一)施工条件21、工程概况22、施工现场用电量统计表2(二)设计内容和步骤31、现场勘探及初步设计32、确定用电负荷33、选择变压器114、回路一线路上导线截面及分配箱、开关箱内电气设备选择125、回路二线路上导线截面及分配箱、开关箱内电气设备选择466、回路三线路上导线截面及分配箱、开关箱内电气设备选择56(三)绘制临时供电施工图611、临时供电系统图：612、施工现场临时用电平面图：70(四)安全用电技术措施70(五)安全用电防火措施82(六)安全用电管理小组成员名单84(一)施工条件1、工程概况工程名称：龙归保障性住房项目施工总承包(标段九)工程地点：白云区广从公路西边、

2、龙归镇政府东侧建设单位：广州市住房保障办公室设计单位：中信(华南)建筑设计院监理单位: 广州市广州工程建设监理有限公司本工程建筑面积：130924平方米；地上面积：91900平方米,地下面积：39024平方米(2层地下室，4栋33层限价房，混凝土框架结构)。 本工程建设单位提供的施工电源接入点位本工程现场北侧的箱式变压器。变压器容量为630KVA变压器。采用TN-S系统供电，三级配电，两级防护。根据施工平面布置图中各用电设备的位置和用电负荷及现场情况，由总配电箱到分配电箱，选用电缆架空敷设，分2路供电，再由二级配电箱分别向木工加工区、钢筋加工区和施工机械供电。2、施工现场用电量统计表序号设备名

3、称安装功率(kW)数量合计功率(kW)1振捣棒1.11617.62平板振动器2.58203砂轮锯212244空气式压缩机1.58125交流电焊机117776氩弧焊机7.54307钢筋调直机2.8411.28钢筋弯曲机1889钢筋切断机5.542210圆盘锯1.3101311水泵1144412混凝土输送泵50210013人货电梯2248814塔式起重机4028015临时宿舍照明3013016办公用电4014017室外照明用电12112(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

4、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，干线采用电缆线空气明敷，电机线采用电缆线空气明敷，布置位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。(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)振捣棒组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 4.4 = 4.4kW(2)平板振动器组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 5 = 5kW(3)砂轮锯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1

5、6 = 6kW(4)空气式压缩机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 3 = 3kW(5)交流电焊机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 22 = 22kW(6)氩弧焊机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 7.5 = 7.5kW(7)振捣棒组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 4.4 = 4.4kW(8)平板振动器组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 5 = 5kW

6、(9)砂轮锯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 6 = 6kW(10)空气式压缩机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 3 = 3kW(11)交流电焊机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 22 = 22kW(12)氩弧焊机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 7.5 = 7.5kW(13)振捣棒组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 4.4 = 4.4kW(14)平

7、板振动器组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 5 = 5kW(15)砂轮锯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 6 = 6kW(16)空气式压缩机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 3 = 3kW(17)交流电焊机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 22 = 22kW(18)氩弧焊机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 7.5 = 7.5kW(19)振捣棒组Kx

8、= 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 4.4 = 4.4kW(20)平板振动器组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 5 = 5kW(21)砂轮锯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 6 = 6kW(22)空气式压缩机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 3 = 3kW(23)交流电焊机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 11 = 11kW(24)氩弧焊机组Kx = 1，Co

9、s = 0.85，tg = .62Pjs = KxPe = 1 7.5 = 7.5kW(25)钢筋调直机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 5.6 = 5.6kW(26)钢筋弯曲机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 2 = 2kW(27)钢筋切断机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 11 = 11kW(28)钢筋调直机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 5.6 = 5.6kW(29)钢筋弯曲机组Kx =

10、1，Cos = 0.85，tg = .62Pjs = KxPe = 1 2 = 2kW(30)钢筋切断机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 11 = 11kW(31)钢筋弯曲机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 2 = 2kW(32)钢筋弯曲机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 2 = 2kW(33)圆盘锯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 2.6 = 2.6kW(34)圆盘锯组Kx = 1，Cos =

11、0.85，tg = .62Pjs = KxPe = 1 2.6 = 2.6kW(35)圆盘锯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 2.6 = 2.6kW(36)圆盘锯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 2.6 = 2.6kW(37)圆盘锯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 2.6 = 2.6kW(38)水泵组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 11 = 11kW(39)水泵组Kx = 1，Cos = 0.85

12、，tg = .62Pjs = KxPe = 1 11 = 11kW(40)水泵组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 11 = 11kW(41)水泵组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 11 = 11kW(42)混凝土输送泵组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 50 = 50kW(43)人货电梯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 22 = 22kW(44)人货电梯组Kx = 1，Cos = 0.85，tg = .

13、62Pjs = KxPe = 1 22 = 22kW(45)混凝土输送泵组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 50 = 50kW(46)人货电梯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 22 = 22kW(47)人货电梯组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 22 = 22kW(48)塔式起重机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 40 = 40kW(49)塔式起重机组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 40 = 40kW(50)临时宿舍照明组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 30 = 30kW(51)办公用电组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1 40 = 40kW(52)室外照明用电组Kx = 1，Cos = 0.85，tg = .62Pjs = KxPe = 1