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1、第三节 电气工程Section 3 Electric Works一、工艺流程图 Technological process Diagraminstallation preparationpipe interior wire layinginstrument installationcable layingequipment installationdebuggingnaked pipe installationcovered pipe installationtray wire fillisterlightning-protection earth engineeringsealed bus-
2、bar arrangement施工准备管路明敷管路暗敷管内穿线器具安装电缆敷设设备安装线槽安装防雷与接地施工调试母线安装二、电气安装质量控制点及控制措施 Quality Control Point and Control Measure on Electric Installation分项工程Sub-item 质量控制点Quality Control Point质量控制措施Quality Control Measure备注Remark施工准备 Construction Preparation材料计划、材料送审、施工方案Material plan, material review and app
3、roval, and construction program认真编制Work out carefully明管安装Openpipe installation位置、标高正确、接地良好The position and elevation are correct, and the grounding is good绘制综合图及管路接地大样图Draw integrated drawing and detail of pipeline grounding桥架线槽安装Installation on crane span structure slot标高准确、吊架安装、穿墙、楼板的防火处理、与其它专业管道的
4、间距Correct level, installation on hanger frame, fire protection treatment of through-wall and floor, clearance with other special pipeline绘制综合图、吊架安装图、防火处理大样图Draw integrated drawing, installation drawing of hanger frame, and detail of fire protection treatment穿线配线Threading distribution接线正误、导线涮锡、导线损伤Wi
5、ring correct error, conducting wire with rinsing tin, conducting wire with damage严格执行接线图、涮锡穿线时注意保护导线Strictly carry out wiring drawing, rinsing tin, pay attention to protecting the wire when threading电缆敷设Cable lay电缆平直、固定牢固、电缆弯扁度、标识Straight cable, firm fixing, cable bending, and identification落实图纸、规范相
6、关要求Implement requirements relating to drawing and specification焊接点Soldered dot焊接部位的接地电阻、焊点表面光滑饱满Ground resistance at welded position, and the surface at welded point is smooth and full焊接完成后测试焊接部位的接地电阻Test the ground resistance of welded position after finishing the welding. 器具安装Appliance installatio
7、n位置正确、安装牢固、观感良好The position is correct and installed firmly, the appearance is good.按绘制的机电综合图、表面器具布置平面图安装Arrange the plan installation according to electromechanical drawn integration diagram and surface appliance 调试Debugging系统运行的稳定性、运行的可靠性、绝缘摇测Operating stability, reliability, and insulating shake-
8、measure in system制订专项调试方案Work out the special debugging plan三、关键工序技术及质量控制保证措 Key Working Procedure and Quality Control Guarantee Measure1、镀锌钢管明敷设 Open Lay of Galvanized Steel Pipe本工程明敷设钢管均采用了镀锌钢管明敷设工艺。All open-lay steel pipes in the project adopt the open-lay technology of galvanized steel pipe. （1）
9、工艺流程 Technological process：Construction preparationSuspender and siphon prefabricatedThe position of the mensuration box and rootSuspender fixationBox fixationPipeline layoutSlot dealingGround line施工准备支吊架、弯管预制测定盒箱及固定点位置支吊架固定盒箱固定管路敷设沉降缝处理跨接地线（2）可上人的吊顶内以及不封闭式竖井通道内的配管为明配管，其管路走向及支架固定均应按明配管要求施工。The distr
10、ibuting pipe in suspended ceilings that can be entered into and shaft passages that are not closed is open. Both its pipeline direction and support fixture should construct according to requirements of open distributing pipes. （3）按设计要求用冷煨法把管子煨出所需的弯度，20mm以下管径的管子用手板煨管器，25mm以上管径用液压煨管器（或专用煨管器），煨弯处凹扁度应符合
11、规范规定。Use the simmering method to simmer pipes with a necessary bend according to design requirements. Pipes that the pipe diameter is less than 20mm may adopt a palm simmer pipe machine. Pipes that the pipe diameter is more than 25mm may use a hydraulic simmer pipe machine (or special simmer pipe ma
12、chine). The concavity at simmering bends should accord with specifications and regulations. （4）断管采用钢锯或无齿锯，需断切的管子尺寸准确，将管子置于压力钳口中心卡紧，断口平齐。断口处用锉将管口内外锉光，无毛刺，管内铁屑清除干净。Broken pipes adopt a hacksaw or a saw without teeth. The size of pipe needing to cut should be exact. Put pipes on the center of pressure
13、jaw, and keep fractures even. At fracture, fill the inner or outer of pipe orifice smoothly without any burr. The scrap iron in pipe should be cleaned clearly. （5）管子套丝采用套丝机，根据管子外径及扣距选用相应板牙，将管子用台虎钳或龙门压架钳紧牢固，再把绞板套在管端，均匀用力，不得过猛，随套随浇冷却液。丝扣不乱且干净清晰，管箍上好后，管口应对严，外露丝扣不应过长。The mantle fiber of pipe may adopt a
14、 mental fiber machine. Select corresponding dies according to the outer diameter and of pipe the pitch. Clamp the pipes firmly by using a vice or planer pressing pliers. Then cover the capstan on pipe ends. Exert evenly not too strongly, and pour the cooling fluid on it while covering. The clasp is
15、not in disorder and cleaned clearly. After pipes are hoped well, pipe orifices should be aimed at accurately. And the exposed clasp should not be too long. （6）镀锌钢管必须采用通丝管箍连接。不得采用熔焊跨接地线，应在连接处的两端用专用接地卡固定跨接接地线，镀锌钢管连接如下图所示：Galvanized steel pipes must adopt harness cord pipe hoops to connect. Do not adopt fusion-welding bridge ground wires. Use the special ground card at two ends of joints to fix and bridge the ground wires. The connection of galvanized steel pipes is shown in the following figur
