文档介绍：第六章建筑电气工程
目录
(盘)安装···························································································1
、电缆导管和线槽敷设···················································································5
、电缆导管和线槽敷线····················································································7
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、开关、风扇安装·······················································································15
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(盘)安装
施工前期准备
序号
检查方式
控制项目
控制要点
备注
1
巡视
检查施工现场条件
1) 安装配电箱(盘)孔洞预留尺寸是否合适、位置是否符合图纸要求;
2) 检查接地引线是否到位;
3) 检查土建粉刷是否完毕,落实具体安装条件;
4)检查施工人员、工机具是否到位;
5)检查辅材是否合格
2
见证
物资进场检查
外观良好、无变形;
检查箱(盘)内元器件是否完好,有无锈蚀;
检查专用工具和易损件备品、门柜钥匙是否齐全,并妥善保管;
3
见证
检查技术准备条件
检查有、无技术交底;
检查施工人员上岗资格证书;
检查施工单位质量保证体系能否正常开展工作;
(盘)安装质量控制
序号
检查方式
控制项目
控制要点
备注
1
见证
基础型钢安装
基础型钢安装的不直度小于5mm/全长、水平度5mm/全长、位置误差及不平行度5mm/全长;
基础型钢按装后,其顶部宜高出抹平地面10mm,并有明显可靠两点接地;
2
见证
箱(盘)稳固
箱(盘)安装在震动场所,应按设计要求采取防震措施;
箱(盘)及内部设备与各构件间连接应牢固:
箱(盘)不宜与基础型钢焊死;
箱(盘)应安装牢固,其垂直偏差不应大于3mm;
箱(盘)暗装时,箱(盘)四周应无空隙,器面板四周边缘应进贴墙面,箱体与建筑物、构筑物接触部分应涂防腐漆;
(盘)上电器安装
序号
检查方式
控制项目
控制要点
备注
1
见证
电器安装
电气元件良好,型号、规格应符合设计要求,外观应完好,且附件齐全,排列整齐,固定牢固,密封良好;
各电器应能单独拆装更换而不影响其它电器及导线束的固定;
熔断器的熔体规格、自动开关的整定值应符合设计要求;
信号回路的信号灯、光字牌、电铃、电笛、事故电钟等应显示准确可靠工作;
盘上装有装置性设备或其它有接地要求的电器,其外壳应可靠接地;
2
见证
端子排安装
端子应有序号,端子排应便于更换、接线方便;离地高度宜大于350mm;
强、弱电端子宜分开布置;当有困难时,应有明显标志并设空端子隔开或设加强绝缘的隔板;
潮湿环境宜采用防潮端子;
二次回路的连接件均应使用铜质制品;绝缘件应采用自熄性阻燃材料;
箱(盘)的正面及背面各电器、端子排等应标明线编号、名称、用途及操作位置,其标明的字迹应清晰、正确,且不易脱色
(盘)二次回路接线质量