Electrical Grounding Plan
电气接地方案t
1．Preparation and Description 编制说明
1.1This plan is prepared on the basis of the electrical construction drawings submitted by
The IT Electronics Eleventh Design & Rearch Institute Scientific and Technological Engineering Corp
oration Ltd. 本方案根据信息产业电子第十一设计研究院科技工程股份有限公司提供的电气施工图的内容。
1.2This plan is bad on the RFP document and relative technical specifications provided by Bayer. 本
方案根据拜耳的招标文件和有关技术说明。
1.3GB Code for Construction of Electrical Engineering国家电气工程施工规范标准
1.3.1Electrical Construction Drawings submitted by The IT Electronics Eleventh Design &复仇者名字
Rearch Institute Scientific and Technological Engineering Corporation Ltd.信息产业电子第十一设计研究院科技工程股份有限公司提供的电气施工图。
1.3.2Code for Construction and Acceptance of Grounding System of Electrical Installation Works
ntc是什么
GB50169-2006电气装置安装工程接地装置施工及验收规范GB50169-2006
1.3.3 Standard of Handover Testing for Electrical Equipment of Electrical Installation Works
GB50150-2007电气装置安装工程电气设备交接试验标准GB50150-2007
古汉语词典在线翻译1.3.4 Code for Acceptance of Quality of Building Electrical Construction GB50303-2002
建筑电气施工质量验收规范GB50303-2002
2．Main Quantities 工程主要工程量
2.1 Main Quantities for Electrical Work 电气主要工程量
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S.N. 序号Description
名称
Unit
单位
Quantity
数量
1 SS Plate 不锈钢板400*200*10mm 块7
2 SS flat steel 不锈钢扁钢-40*4mm m 250
3 Hot-dipped Galv. Flat steel 热镀锌扁钢-40*4mm m 1600
3．Construction Method and Technical Requirements
施工方法及技术要求
3.1 Installation of Grounding and Lightning Device 接地及避雷装置的安装
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3.1.1 Grounding device shall be installed according to the design requirement.
接地装置的安装应按设计要求进行施工。
Minimum Size of Steel Grounding Body and Grounding Wires
钢接地体和接地线的最小规格
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Aboveground地上Underground 地下Type, Size and Unit
种类、规格及单位
Internal
室内External
室外
AC Current
Loop
交流电流回路
DC Current
Loop
直流电流回路
Round Steel Dia. 圆钢直径(mm)681012 Section Area截面(mm2)60100100100
Flat Steel
扁钢Thickness厚度(mm)3446
Angle Steel Thickness 角钢厚度(mm)2 2.546 Steel Pipe Wall Thickness
钢管管壁厚度(mm)
2.5 2.5
3.5
4.5
3.1.2 Grounding construction will be carried out within the existing Plant (B304, B342, C545). For
this purpo, the excavation work permit will be managed prior to construction, and no construction will be done until the Owner has informed of the relevant underground pipeline after approvel.
iit因此接地施工在老厂区内进行（B304、B342、C545），所以施工前应办理相关的动土作业票和业主告知相关地下管线的批复后才能进行施工。
3.1.3 Grounding electrode (all stainless steel materials) will have a buring depth of the top larger
than 0.7m. The grounding electrode shall be arranged vertically.
接地体(均为不锈钢材质)顶面埋设深度应大于0.7米，接地体应垂直配置。
3.1.4 Metal housing, support of electrical equipment, metal armour of cable, pumps, metallic
equipment, pipeline, steel structure need grounding.
电气设备的金属外壳，电气设备的支架，电缆的金属铠带、泵类、金属设备、管线、钢结构需接地。
3.1.5Grounding wire of AC electrical equipment can u the following grounding body for grounding:
交流电气设备的接地线可利用下列接地体接地：
3.1.5.1Building’s metal structure (beam and column and the likes) and the reinforcement bar inside
the concrete structure as specified by the design.
建筑物的金属结构(梁、柱等)及设计规定的混凝土结构内部的钢筋。
3.1.5.2 Track of crane for production, casing of distribution devices, corridor, platform, lift shaft,
crane and lift frame, steel beam of conveyance belt, electrofilter frame and the like metal structure.
生产用的起重机的轨道、配电装置的外壳、走廊、平台、电梯竖井、起重机与升降机的构架、运输皮带的钢梁、电除尘器的构架等金属结构。
3.1.5.3 Distribution steel tube
配线的钢管。
3.1.6Grounding body (wire) will be welded by lap welding, its lapping length must be according to the
following specification
接地体(线)的焊接应采用搭接焊，其搭接长度必须符合下列规定：
3.1.6.1 Flat steel will be 2 times of its width (and 3 edges to be welded at least).
扁钢为其宽度的2倍(且至少3个棱边焊接)。
3.1.6.2 Round steel will be 6 times of its diameter.
圆钢为其直径的6倍。
3.1.6.3 For round steel connection to flat stee, the length will be 6 times of the round steel diameter.
圆钢与扁钢连接时，其长度为圆钢直径的6倍。
3.1.6.4 When welding of flat steel with steel pipe, flat steel with angle steel, for reliable connection,
over the rainbow 原唱besides the welding at the both sides of the contact location, welding shall be done by steel band bent in the form of curve clip or by steel band directly bent in the form of curve type (or right angle type) welding with steel pipe (or ange steel).
扁钢与钢管、扁钢与角钢焊接时，为了连接可靠，除应在其接触部位两侧进行焊接外，并应焊以由钢带弯成的弧形(或直角形)卡子或直接由钢带本身弯成弧形(或直角形)与钢管(或角钢)焊接。
3.1.7 Expod grounding wire will be installed according to the following requirements:
明敷接地线的安装应符合下列要求：
3.1.7.1 Easy to check.
应便于检查。
2012上海高考语文3.1.7.2 Laying position should not interfere with dismantlement and maintenance of equipment
敷设位置不应妨碍设备的拆卸与检修。
3.1.7.3 For distance between support pieces, the horizontal straight part will be 0.5-1m as proper;
vertical part will be 1.5-3m as proper; the turning part will be 0.3-0.5m as proper.
支持件间的距离，在水平直线部分宜为0.5～1.5m；垂直部分宜为1.5～3m；转弯部分宜为0.3～
0.5m。
3.1.7.4 Grounding wire should be laid down horizontally or vertically, or parallel with the tilt
structure of buildings; on straight ction, no ups and downs and curvature will be allowed.
接地线应按水平或垂直敷设，亦可与建筑物倾斜结构平行敷设；在直线段上，不应有高低起伏及弯曲等情况。
3.1.7.5 When gounding wire laying down horizontally along building wall, it will be at a distance of
250-300mm from the ground; the gap between grounding wire and building wall will be 10-15mm as proper.
接地线沿建筑物墙壁水平敷设时，离地面距离宜为250～300mm；接地线与建筑物墙壁间的间隙宜为10～15mm。
3.1.7.6 When grounding wire across the expansion joint, ttlement joint of building, compensator
should be provided. The compensator may u grounding wire bent into curve type instead.
在接地线跨越建筑物伸缩缝、沉降缝处时，应设置补偿器。补偿器可用接地线本身弯成弧状代替。
3.1.8 The gap between vertical gronding body will not be less than 2 times of its length. The gap between
horizontal grounding body will be according to the design specification. In ca of no design
specification, the gap will not be less than 5m.
垂直接地体的间距不宜小于其长度的2倍。水平接地体的间距应符合设计规定。当无设计规定时不宜小于5m。
3.1.9 Grounding wire shall prevent from mechanical damage or chemical corrosion. At the cross of
road or piping and other postion where may possibly damage the grounding wire, pipe or angel steel should be ud for protection. Penetration of grounding wire through walls, floors and grounds should install additional steel tube or other solid protective sleeve. The position easy to be chemically corroded should take corrosion prevention measures,
接地线应防止发生机械损伤和化学腐蚀。在道路或管道等交叉及其他可能使接地线遭受损伤处，均应用管子或角钢等加以保护。接地线在穿过墙壁，楼板和地坪处应加装钢管或其他坚固的保护套，有化学腐蚀的部位还应采取防腐措施。
3.1.10 Grounding trunk should be connected with grouding net at two and more different points.
Natural grounding should be connected with grounding trunk or grounding net at two and more different points.
接地干线应在不同的两点及以上与接地网相连接。自然接地体应在不同的两点及以上与接地干线或接地网相连接。
3.1.11 Grounding for every electrical installation should be connected by parate grounding wire
with grounding trunk. One grounding wire should not be concatenated with veral electrical installations required for grounding.
每个电气装置的接地应以单独的接地线与接地干线相连接，不得在一个接地线中串接几个需要接地的电气装置。
3.1.12 After completion of grounding electrode laying down, backfilling soil for the soil ditch should
not havie inclusive stone and building rubbish, and the likes; the soil from outsourcing should not have stronger corrosivity; backfilling should be compacted in layers.
接地体敷设完后的土沟其回填土内不应夹有石块和建筑垃圾等；外取的土壤不得有较强的腐蚀性；在回填土时应分层夯实。
3.1.13 At the entry of the grounding wire leading to the building and at the point of temporary
earthing for maintenance, white primer should be brushed and marked with black color. At the
