《《百脑汇资讯广场工程临电组织设计》.doc》由会员分享,可在线阅读,更多相关《《百脑汇资讯广场工程临电组织设计》.doc(12页珍藏版)》请在三一文库上搜索。
1、青建集团股份公司施工方案青岛百脑汇资讯广场工程临时用电施工方案批准:审核:编制:青建集团股份公司房建一分公司二八年六月百脑汇工程临时用电施工组织设计1工程概况:本建筑位于青岛市北区,南靠颐中科技城,北临泰州路,是一座大型的现代化商住楼,建筑面积约7万,分A区写字楼与B区商场两部分。其中写字楼地下5层,地上17层,属高层建筑,根据用电机械设备的性质,其类型较多且用电负荷量大,使之造成布电形式较为复杂,为此编制【临时用电施工组织设计】方案,以确保现场临时用电的安全使用。2现场勘探:2.1本工程北侧靠近中线部位,由建设单位提供箱式配电站,变压器容量为630KVA,供本工程的施工现场临时用电。2.2施
2、工现场的配电箱作分级设置,即三级配电,按规定做三相五线制,且覆盖整个现场,为防止触电,必须采用二级漏电保护装置。3确定电源进线、总配电箱、分配电箱的位置及线路走向:3.1从总配电柜处分二支路,一为总箱1,一为总箱2。从总箱1引出三支路,用电缆直埋地至各用电位置;从总箱2引出三支路,用电缆直埋地至各用电位置。电缆埋设深为0.6米,过施工道路处,加钢管保护,电缆埋设上方0.2米处铺设电缆标志。总箱1的三路电缆,主要为A区生活区、钢筋加工、模板加工、塔吊及砼输送泵等设备提供电源;总箱2的三路电缆,主要为B区钢筋加工、模板加工、塔吊及砼输送泵等设备提供电源。3.2配电箱及开关箱设置和电器选择及安全用电
3、技术措施:3.2.1施工现场必须实行三级配电,配电箱应分级设置,即:总配电箱以下设分配电箱,分配电箱以下设开关箱,开关箱以下为用电设备,总配电箱给分配电箱配电,分配电给开关箱配电,开关箱控制用电设备。变配电主线路走向及总配电箱已在临时用电平面布置图中标出,各工区应按相应的线路接分配电箱,并按配电层次依次接线。3.2.2配电箱、开关箱采用省推荐产品,证件齐全。开关箱箱体的导线进出口一律设在箱体的下底面,并将导线卡固,分路成束并做防水弯,不得承受导线自重以外的拉力,所有配电箱、开关箱应有防雨措施。3.2.3分配电箱应装设在用电设备或负荷相对集中的地区。分配电箱与开关箱的距离不得超过30米,开关箱与
4、其控制的固定式用电设备的水平距离不宜超过3米,开关箱的下底与地面的垂直距离应大于1.3米,小于1.5米,移动式分配电箱、开关箱的下底面与地面的垂直距离宜大于0.6米,小于1.5米。3.2.4焊接机械应设在防雨和通风良好的地方,焊接现场不准堆放易燃易爆物品。电焊机的一次侧电源线长度应不大于5米,进线处必须设置防护罩,使用焊接机械,必须按规定穿戴防护用品,焊接机械的二次线宜采用YH型橡皮护套铜芯多股软电缆,电缆的长度应不大于30米。使用交直流电焊机应遵守下列操作顺序: 合格导线(包括一、二次侧导线)手把线、地线不能碰壳3.2.4.1检外观 疏通好二次线 壳体防雨进线处有防护罩与联结螺丝作可靠连接接
5、火线前应先接保护零线疏通好一次线穿戴和配备好相应的劳动防护用品合闸送电导线至开关箱的距离5米试焊施焊。3.2.4.2拆除时与接线顺序相反。3.2.5在同一配电箱内,动力和照明线路应分别设置,配电箱应装设在干燥和无杂物的场所,周围应有足够二人同时工作的空间和通道。施工现场所有配电箱,开关箱均应在箱门上明晰的标注其编号、名称,并作分路标志,箱门应上锁,并由专人负责。所有的配电箱、开关箱在使用过程中必须按照下列操作顺序:3.2.5.1送电顺序:总配电箱分配电箱开关箱。3.2.5.2停电顺序与送电顺序相反。3.2.6开关电器必须是合格电器,必须完整无损,动作可靠,绝缘良好,严禁使用任何破损电器,每台用
6、电设备应有专用开关箱,必须实行一机一闸制,严禁一闸多用,开关箱的开关电器的额定值应与用电设备额定容量相适应。容量大于5.5KW的动力电器应采用自动开关电器或降压起动装置控制,严禁用其它金属代替熔丝。4采用TNS接零保护系统,即三相五线制供电。4.1施工现场,各工区均应从总配电箱处作三相五线制,从总配电箱联系各分配电箱之间一律采用五芯电缆,直埋深度为0.6米。分配电箱与各开关箱间线缆宜采用暗设,若明设导线架高度不低于4米;若导线与道路交叉时,架设高度不低于6米。4.2三相五线制的保护零线,必须在总配电箱内接线,且与工作零线和重复接地线相连接。施工现场的重复接地不应少于三处:即除必须在总配电箱处作
7、重复接地外,还必须在配电线路的中间处和末端处,再次作重复接地。每一处的重复接地装置的接地电阻,应不大于10欧姆,可以用基础的钢筋作重复接地,接地线钢筋要求直径不小于10的圆钢,焊接长度应16d,双面焊(d为钢筋直径)。4.3三相五线制示意图和总配电箱内接地示意图如附图所示。用电机具工作接地重复接地L1L2L3NPE用电机具TNS系统示意图4.4保护零线的安全技术要求:4.4.1保护零线不得装设开关和熔断器。4.4.2保护零线应单独铺设,不作他用,专供正常情况下的不带电金属外壳(如电动机、配电箱、开关箱外壳等)和重复接地线连接。4.4.3与电气设备相连接的保护零线应为截面2.5小于平方毫米的多股
8、铜线,保护零线和工作零线要严格分开,工作零线仅供220V的用电设备使用。4.4.4保护零线的统一标志宜采用绿/黄双色线,或用其它特殊颜色的导线来表示。5漏电保护器的正确使用:5.1漏电保护器要严格把好采购关,要选用通过部级、省级鉴定、技术先进、质量可靠的产品。5.2保证接线正确,所有施工现场均采用电流动作型漏电保护器,按结构形式有4极、3极、2极三种,其中4级漏电保护器为配电型,既可供动力用电380V和照明用电220V同时使用,又可单独使用控制用电设备。要根据供电方式和电压进行接线,接线时需分清相线极和零线极。5.3配电箱和开关箱中的两级漏电保护器的额定漏电动作电流和额定漏电动作时间应作合理配
9、合,使之具有分级分段保护的功能。通过实行分级分段保护,形成最少二级的漏电保护网,对施工现场的临时用电进行安全保护。开关箱内的漏电保护器其额定漏电动作电流应不大于30mA,额定漏电动作时间应小于0.1s。6负荷计算:6.1工程用电设备概况:根据施工组织设计和施工要求,本工程需要配置以下用电设备:序号机械名称数量(台)功率(KW)用电量(KW)1塔吊QTZ-63155552塔吊QTZ-40135353塔吊QTZ-25130304客货电梯KT1.5-3150505井架230606砼输送泵HBT60C2901807砂浆搅拌机JI2.525.5118潜污泵5027.5159潜污泵4042.28.810电
10、动轮子锯441611交流电焊机BN-500813.513.580.5256.212直流电焊机AX7-5001262613电渣压力焊机MH-36A130300.6519.514闪光对焊机UN1-100175750.6548.7515钢筋弯曲机GW40-1441616钢筋切断机GQ40-223.5717插入式振捣器HZ-5081.51218平板振动器GB-2.512.22.219蒸饭车4124820生活及夜间照明4021小型用电设备306.2负荷计算:6.2.1用电设备的用电量:Pe766.45KW6.2.2用电设备的计算负荷(需用多数K20.75,cos0.75)P30K2Pe0.75766.4
11、5KW574.84KWQ30P30tg574.840.88505.86KWS30 P302+ Q302 = 574.842+ 505.862 =765.73KVA6.2.3用电设备总计算负荷(周期系数Kp0.6)P30Kp P30=0.6574.84=344.9KWQ30=Kp Q30=0.6505.86=303.52KWS30 (P30)2+(Q30)2 344.92+ 303.522 =459.43KVA本工程变压器容量630KVA459.43KVA,可知所选变压器容量足够。7导线及电气器件的选择:7.1供电方式采用单回路放射式供电,6条回路分别敷设至各用电位置。总箱一的3个回路,总箱二的
12、3个回路。7.2总箱一的 1回路电源线的选择:7.2.1回路1a电源线的选择:本回路为生活区提供电源,主要用电设备有:蒸饭车,48KW;生活及夜间照明,计15KW;Pe63KW;K2KPPe 0.750.663工计 = =57.43A VCOS 0.380.75选用VV325216电缆。7.2.2回路1b电源线的选择:本回路主要用电设备有:插入式振捣器,12KW;平板振捣器,2.2KW;交流电焊机,13.520.5214.04KW夜间照明及其它用电设备,15KW;Pe43.24KWK2KPPe0.750.643.24工计39.43AVCOS0.380.75选用VV325216电缆。7.2.3回
13、路1c电源线选择:本回路主要用电设备有:客货电梯,50KW;Pe50KW;K2KPPe0.750.650工计45.6A;VCOS0.380.75选用VV325216电缆。7.2.4回路1d电源线选择:本回路主要用电设备有:塔吊,55KW;照明,17KW;Pe72KW;K2KPPe0.750.672工计65.67A;VCOS0.380.75考虑到塔吊特殊性,选用VV350225电缆。7.2.5综合1回路四个支路情况,可知1回路应选用VV3150270电缆。7.3总箱二的2回路电源线选择:本回路主要用电设备有:砼输送泵,180KW;潜污泵,23.8KW;Pe203.8KW;K2KPPe0.750.
14、6203.8工计185.9A;VCOS0.380.75选用VV3120250电缆。7.4总箱一的3回路电源线选择:本回路主要用电设备有:钢筋弯曲机,16KW;钢筋切断机,7KW;电动轮子锯,8KW;Pe31KW;K2KPPe0.750.631工计28.27A;VCOS0.380.75选用VV31626电缆。7.5总箱二的1回路电源线选择:本回路主要用电设备有:闪光对焊机,48.75KW;K2KPPe0.750.648.75工计44.46A;VCOS0.380.75选用VV325216电缆。7.6总箱二的2回路电源线选择:本回路主要用电设备有:交流电焊机,13.50.527.02KW;电渣压力焊
15、,19.5KW;夜间照明:10KW;其余小型用电设备,10KW;Pe46.52KW;K2KPPe0.750.646.52工计42.43A;VCOS0.380.75选用VV350225电缆。7.6总箱二的3回路电源线选择:本回路主要用电设备有:井架,30KW;交流电焊机,7.02KW;其余小型用电设备,10KW;Pe47.02KW;K2KPPe0.750.647.02工计42.88A;VCOS0.380.75考虑到井架特殊性,选用VV350225电缆。7.7设备电源线的选择:客货电梯、砼输送泵和闪光对焊机的电源线选用25平方毫米5芯铜芯橡皮护套软电缆;直流电焊机、电渣压力焊机选用10平方毫米5芯
16、铜芯橡皮护套软电缆;钢筋切断机、轮子锯选用2.5平方毫米5芯铜芯橡皮护套软电缆。8、临电平面图、配电图如附图所示。9、安全用电技术和电器防火措施:安全用电在安全生产中占重要地位,因此全体施工人员必须树立“安全第一、预防为主”的思想,把安全生产放在第一位,养成人人讲安全、重安全的新风尚。9.1专业电工及用电人员:专业操作电工必须持证上岗,工作时应穿绝缘鞋、手套,使用合格的绝缘电工工具,做好相应的防护措施,不得酒后上岗,对工程的供电线路、配电箱、开关箱每月检查一次,并做好检查记录,种类用电人员,应做到:掌握安全用电基本知识和所有设备的性能,严禁设备带“病”运转,停用的设备必须拉闸断电,锁好开关箱,
17、搬迁或移动用电设备,必须经电工切断电源并作妥善处理后进行。9.2设备值班电工:重要及主要用电设备应设值班电工,维护施工用电,做好详细用电记录,确保供电正常。9.3本工程规模较大,配套安装工程相对复杂,现场以总配电站放射形式埋设电缆,涉及施工现场部位较多,若地下开挖,要特别注意,防止电缆破坏受损。9.4配电箱设备容量计算没包括可能增加部分的用电设备的容量,所以如增加设备,应根据施工现场的具体情况,对电力分配作相应调整。潮湿和地下工程及易触及带电体场所的照明电压不得大于24V,施工现场严禁使用电炉子。Opinions and suggestions on the partys mass line
18、educational practiceAccording to the central and provincial, municipal unified deployment, according to municipal Party committee about carrying out the partys mass line educational practice activity in the citys implementation opinions, the spirit of the partys mass line educational practice activi
19、ties from 20* in January to 99 months, carried out at all levels of departments and directly affiliated institutions and grass-roots party organizations. According to my actual County, the county to carry out the education practice put forward the following implementation opinions.First, the overall
20、 requirementsCounty county education practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as the guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly implement the C
21、entral Committee really, opinions and advice , party implementing the guiding ideology of opinions to determine the objectives and requirements, step method, in accordance with the look in the mirror, dress up, wash bath, cure treatment, the general requirements of for the people pragmatic honest pe
22、ople as the theme, in carrying forward the spirit of Zhuanglang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promote transformation across efforts, to further implement the central eight regulations and The opposition party and go
23、vernment austerity waste regulations , double section provincial regulations, municipal provisions of the twelve plan and the implementation measures for on improving the work style of close ties with the masses law, highlight style building, carry out the whole wind spirit, resolutely oppose formal
24、ism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party members and cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinking and understanding, to further change the style of the wind, the masses to clos
25、e, honest and pragmatic people honest image to further establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the construction of a powerful force of the county and the ecological culture of the county and county construction.In educational
26、 practice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutions directly under the township, street, and community, village, non-public economic organizations, social organizations and other grass-roots organizations. Agencies and br
27、anches, each single unit, follow the rules on internal institutions. Educational practice with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly contact the service of the masses of law supervision departments and window units, s
28、ervice industry, educational practice, pay attention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups in close contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses an
29、d the partys education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism and self criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, more focus on the four winds, solve the probl
30、em, pay more attention to open the door, the participation of the masses, pay more attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requirements on injection, really supervision practice, ensure education practice is not empty
31、is not empty is not partial, not as a mere formality.Two, the key point of the taskThe main task of the countys education practice is to seize against four wind this focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, the disadvanta
32、ges of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respond to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the people around the unwholesome tendencies especially on eat
33、, take the card, Yong lazy luxury, extravagance and waste fees, privileges and other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the requirements of real to the grassroots, real let group Benefit the public.(a) focus on solving the four
34、 winds outstanding issuesThe central and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do not dare to play, to engage in image project, political project, a leadership guide, a set of ideas, orders and prohibitions, and a policy, there a
35、re countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passing skin, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments and window units, service industry mainly solve the door hard, ugly
36、 face, something difficult, and arbitrary charges, fines, levies, and breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cadres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment r
37、isk, gain profit.(three) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence a
38、nd coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden t
39、heir horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, ex
40、amination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the ma
41、nagement of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of t
42、he market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure,
43、structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.11
链接地址:https://www.31doc.com/p-2393754.html