太原万达广场配套市政城坊西街道路工程临时用电专项方案

太原万达广场配套市政城坊西街道路工程临时用电专项 太原万达广场配套市政城坊西街道路工程 临时用电专项方案 编 制 人: 审 核 人: 审 定 人: 编制单位: 山西诚信市政建设有限公司 编制日期: 二?一二年六月 urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district 目 录 一、 编制依据 二、 工程概况 三、 施工方案 四、 工地临时用电计算 五、 电缆线路的敷设 六、 配电装置 七、 现场照明 八、 安全用电组织措施 urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district 临时用电专项方案 一、编制依据 1(实施性施工组织 2(全线结构物分布及生产用施工机械设备 3(施工现场临时用电安全技术规范 二、工程概况 城坊西街是城市规划路网中城市?级支路，位于太原市杏花岭区龙潭公园区域，道路为东西走向，西起绿柳巷，东至解放路。城坊西街规划红线宽30米，总长474.178米。标段内包含的工程有道路、雨水、污水等城市道路设施。由于道路施工场地狭窄，沿线在城坊西街和平民路口附近安置了办公、生活、临设场所，主要是照明、生活与办公用电。 三、施工方案 针对本工程的施工特点及用电需要，临时用电以热熔管道接口、降水作业和搅拌场施工为主，其电源主要由城坊西街龙潭公园门口西侧315KVA临时施工变压器引入，沿线埋设电缆。项目部办公、生活用电均由附近线路引入。降水作业和搅拌站施工用电采用三相四线制，并配有标准配电柜，电缆线采用埋地方式，由于分段平行施工，降水作业水泵每30台水泵使用一个配电箱。 四、工地临时供电计算 1、主要施工机械一览表 主要机具设备一览表 序号 机械或设备名称 数量(台) 单台功率(KW) 总功率(KW) 350型搅拌机 1 7 7 1 2 插入式振动棒 5 1.5 7.5 3 室内外照明 20 4 潜水泵 10 3 30 urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district 2、用电量计算 ,P1电机功率 =110KW ,P,2照明容量20KW cos,,0.7电机平均功率因数为 ,P,P,12总用电量为:P=1.05K1 +1.05 K1.05(0.7×110，1.0×2 20),102KW 其中:K为同时使用系数。 1,2 K—— 全部施工用电设备同时使用系数，总数10台以内取0.75;1 10—30台取0.7; K ——照明设备同时使用系数，取1.0; 2 3、配电干线负荷计算 根据现场实际情况并考虑其他因数，决定由现场配电室引2路主干线为现场供电。即WL、WL。 12 a.其中WL回路，主要是供搅拌机及附近辅助小功率设备，该二级1 配电箱考虑三个输出回路，为施工中的其它设备备用。 搅拌机及其它用电功率110KW 该回路负荷计算如下: Iwl1=P/(1.732COSφU)=110×1000/(1.732×0.7×380),239(A) 查表选用电缆:主线电缆为YA-4×90 验算: 主要验算电缆的机械强度及容许电压降。本工程所有电缆均采用入地敷设，验算电机的容许的电压降。 通常电机容许电压波动为:?5%，对施工现场临时线路而言可取7%，urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district [,],380，7%,26(V)即 ε,P×L/(C×S)=110×200/(77×100)=2.86〈26 可行。 (L取值按最长距离200米进行计算) b. WL回路，主要供生活区办公区用电，按20KW计算。 2 2020I,k,,0.9，,34(A)WL6,3cosU3，0.8，380 查表选用电缆:YA-4×10 电压降验算: ,P,L20，100,,,,2.(6V),[,],26VC,S77，10 可行。 五、电缆线路的敷设 施工场地内电缆线路采用埋地敷设，埋地敷设深度60cm,在电缆上下均匀铺设6cm细砂，然后覆盖砖作硬质保护层。施工场地外采用架空线路，架空时沿电杆设置，并用绝缘子固定。 六、配电装置 1、三级配电、两级保护 施工用电采用三级配电、两级保护进行设置，并根据“一机、一闸、一漏、一箱”要求，每台设备设置各自专用开关箱，提高用电安全。按照总配电间、分配电柜、开关箱进行三级配电，分配电柜和开关箱均必须经漏电保护开关保护。第一级漏电保护设置在总配电间内各回路开关电器的末级，其漏电动作电流与漏电动作时间符合要求。第二级漏电保护设置在开关箱内各回路隔离开关的负荷侧，与第一级漏电保护配合，形成分级选择性保护，漏电动作电流不大于30mA，漏电动作时间不大于0.1s。 2、电器装置 urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district 漏电保护器:施工现场所有用电设备，除保护零线外，采用分级漏电保护系统，每一分支线路有自己的工作零线，并在设备负荷线的首端处设置漏电保护器，额定漏电动作电流不大于30mA，额定漏电动作时间不大于0.1s。漏电保护器要在安装后和使用前按照规定测试内容进行，并定期测试。 接地:将电气设备与大地作金属性联结，进行保护接地，用以保护人体接触设备漏电时的安全，并将变压器进行工作接地，阻值应小于4Ω。在设备比较集中的搅拌场地作一组重复接地，阻值不小于10Ω。 常有开关:一般机器均须配有随机开关，维修更换时注意按原型号、容量调换，不要随便替换总配电箱及分配电箱内应装设总隔离开关和分路隔离开关，开关箱应装设隔离开关和漏电保护器。开关箱内的开关电器必须能在任何情况下，都可以使用电设备实行电源隔离。 七、现场照明 各施工现场照明线路从分配电箱处引出，装设照明分路开关，并装设熔断电流为15A及15A以下的熔断器保护。 1、室外照明:照明灯具的金属外壳保护接零，单相回路的照明开关箱内装设漏电保护器。室外灯具距离地面3m，钠等金属卤化物灯具距离地面5m以上，灯线固定在接线柱上，灯具内接线牢固。停电时，配备自备电源的应急照明。 2、室内照明:室内灯具安装2.4m高以上，任何灯具、电器的相线经开关控制，潮湿场所的灯头及吊盒使用瓷质防水型。生活电器电源线采用三芯橡皮电缆线，临时宿舍内照明采用36V安全电压照明其，防止私拉、挂接电炊具或违章使用电炉。 八、安全用电组织措施 1、本工程施工现场的用电措施和设备的安装使用，必须严格按规urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district 范和本方案执行，施工时必须向电工班组进行详细的安全工作，介绍安全用电技术措施的总体意图，技术内容和注意事项。用电须经验收合格后使用。 ?从临时用电安装完成开始，定期对临时用电进行检测，主要内容是:接地电阻值、电气设备绝缘电阻值，漏电保护器动作参数等，以监视临时用电是否安全可靠，并做好检测记录。 ?加强日常和定期维修工作记录，及时发现和消除隐患，记载维修时间地点、设备、内容、技术措施、处理结果、维修人员、验收人员等。 ?工程竣工后，临时用电工程的拆除应统一组织和指挥、规定拆除时间、人员、程序、方法、注意事项和防护措施。并须经公司审核批准。 ?项目部要按照JGJ59-99《建筑施工安全检查标准》和“安全生产管理条例”定期对现场用电措施进行检查。 ?定期对专业电工和各类用电人员进行用电安全教育和培训，禁止无证上岗或随意串岗。 2、电气防火措施 ?合理配置、整定、更换各种保护电器、对电路和设备的过载、短路故障进行可靠地保护。 ?在电气装置和线路周围不准放易燃、易爆和强腐蚀介质，不使用火源。 ?在电气装置相对集中场所，配置绝缘灭火器材，并禁止烟火。 ?经常进行电气防火知识教育和宣传，提高各类用电人员电气防火自觉性。 ?不得乱拉灯头和各种工具。 ?安装各项机械机具设置，必须符合安全技术规范要求。 3、线路的敷设 urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district ?导线截面严格按设计的规格敷设。 ?电缆配电线路绝缘架空或埋地套管敷设于沟槽内，绑扎电缆须用绝缘线(带)。严禁用金属裸线作绑扎线。 ?室内配电线路套管沿墙壁敷设。 ?电缆接头应牢固、可靠，用绝缘物包扎，不得承受张力。电线线路不得沿地面明设。 ?保护零线和接地线必须使用绿、黄双色专用线。 4、配电箱及开关箱的设置 ?分配电箱与开关箱的距离不得超过30 米，开关箱与其控制的固定式用电设备的水平距离不宜超过3 米。 ?配电箱、开关箱应装设在干燥，通风场所，不得装设在易受外来固体物撞击，强烈振动及热源烘烤的场所。 ?配电箱、开关箱周围应有足够二人同时工作的空间和通道，不得堆放任何妨碍操作、维修的物品。 ?配电箱、开关箱应装设端正、牢固、移动式电箱装设在坚固的支架上。固定式配电、开关箱的下底与地面的垂直距离应大于1.3米。 ?箱内开关电器(含插座)不得歪斜和松动。 ?箱内的工作零线应通过接线端子板连接，并应与保护零线接线端子板分设。 ?箱内的连接线接头不得松动，不得有外露带电部分。 ?金属箱体必须作保护接零，并通过端子板连接，每只电箱均作重复接地。接地桩露出地面15cm 以便做电阻侧试。 5、电器装置选择 ?箱内电器必须可靠完好，不准使用破损，不合格的电器。 ?每台用电设备应有专用的开关箱，必须实行“一机一闸一保险”urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district 严禁同一开关电器直接控制二台及以上用电设备(含插座)。 ?开关箱内电器必须能在任何情况下都有可以对用电设备实行电源隔离。 ?对搁置已久重新使用和连续使用一个月的漏电保护器，应认真检查其特性，发现问题及进修理或更换。 ?配电箱、开关箱中导线的进出口设在箱体的下底面，严禁设在箱体的上顶面、侧面，后面或箱门处。进、出线应加护套分路成束做防水弯，导线束不得与箱体进、出口直接接触。 ?使用与维修 a.所有配电箱均标明其名称，用途并作出分路标记(贴线路图) b.所有配电箱门应配锁，配电箱和开关箱应由专人负责。 c.所有配电箱、开关箱应每月进行检查和维修一次。检查、维修人员必须是专业电工。检查、维修时必须按规定穿、戴绝缘鞋、手套，必须使用电工绝缘工具。 d.对配电箱、开关箱进行检查、维修时将其前一级相应的电源开关分闸断电，并悬挂停电标志，严禁带电作业。 e.施工现场停止作业一小时以上时，应将动力开关箱断电上锁。 f.配电箱、开关箱内不得放置任何杂物，并应经常保持整洁。 g.配电箱、开关箱的进出线不得承受外力。严禁与金属尖锐断口和强腐蚀介质接触。 6、安全用电措施 ?变压器安装后，必须经有关部门以及操作人员共同进行验收，合格后才允许通电投入使用。 ?接地装置必须在线路及配电装置投入运行前完工，并检测其接地电阻数值，合格后使用。 urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district ?现场电气线路及用电设备安装后由现场电气负责人检查合格后方可通电运行。 ?电工应定期做好电气检查工作:移动式电气设备的漏电开关，负荷线应每周检查一次;固定式电气设备的漏电开关，应半月检查一次;电气线路、接地装置的接地电阻应每月检查一次。 ?施工现场视工作量大小、必须配备不少于二名持证电工。 ?由项目部指定一名电工负责现场日常用电管理和负责好施工用电安全技术资料台帐。 ?施工现场用电设备的金属外壳必须接零保护。 ?现场电工必须严格遵守操作规程，安装规程。维修电气设备应尽量断开电源，验明三相无电，方可操作。 ?非电工不得私自安装、维修、移动电气设备。 ?现场电工不得随意调整开关及熔断器内的熔体规格。 11?运行中的漏电开关发生跳闸必须查明原因排除后才能重新合闸送电，发现漏电开关损坏或失灵必须立即更换。 12?一切用电设备必须按一机、一闸、一保护控制原则，安装施工机具严禁一闸或一保护控制多台设备。 13?现场电工除做好规定的定期检查外，平时必须对电气设备勤巡、勤查、发现安全隐患立即消除，对上级发出的安全用电整改书，必须在规定期限内彻底整改。 14?电缆穿越建筑物，构筑物、道路易受机械损伤场所，均采用埋地或架空敷设，严禁沿地面等铺设或绑扎在架子、井架上。 未尽事宜详见相关规范 urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: "a pole along the two axes". "A" refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement "point-axis development" mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote the development of district