电气部分作业指导书电气部分作业指导书.doc

目 录 1编制依据···········································································1 2工程概况及施工范围·······························································2 3施工作业人员配备及人员资格·····················································3 4施工所需工机具配备·······························································4 5施工条件及施工前工作准备························································4 6重要作业程序、方法及要求························································5 7质量控制及验收····································································9 8安全、文明施工及环境管理要求和措施···········································10 表8-1职业健康安全风险控制计划表（RCP）·······································12 表8-2环境因素及控制措施一览表·················································14 表8-3绿色、洁净化施工措施一览表···············································15 表8-4强制性条文控制表···························································16 1 编制依据及引用标准 1.1《电气装置安装工程盘、柜及二次接线施工及验收规范》GB50171-92 1.2《电气装置安装工程　低压电器施工及验收规范》GB 50254－96 1.3《电气装置安装工程母线装置施工及验收规范》GBJ149-90 1.4《电气装置安装工程质量检验及评定规程》(电气装置篇)DL/T-5161.8-2002 1.5《电气装置安装工程电缆线路施工及验收规定》GB 50168-92 1.6《电气装置安装工程旋转电机施工及验收规范》（GB50170-2006） 1.7《电力建设安全工作规程》DL5009.1-2002 1.8公司《质量、安全健康、环境管理手册》 2工程概况及施工范围 2.1工程概况 本次工程为华电乌鲁木齐热电厂#2机组引风机脱硝改造工程，华电乌鲁木齐热电厂#2机组初设为两台成都电力机械厂生产的静叶可调轴流风机。整套风机现需要拆除，重新安装上海鼓风机厂生产的SAF26-17-2型动叶可调轴流风机。主要施工范围包括：#2机组两台旧引风机电缆拆除及新电缆敷设及接线，油站控制箱安装及回路调试等。 2.2设备概况 辅助锅炉电气系统的系统设计、安装设计、设备及材料供货，供方提供全部设备的技术规范、设备订货图、设备安装图、设备材料清册(含电气设备、电缆、电缆构筑物、防火阻燃设施、照明、接地设备、安装材料等)、电缆清册(包括电缆编号、型号、规范、截面、芯数、长度、起点、终点等。本次工程为改造工程，引风机电机换装新产品，故涉及到新的设备安装及相关电气试验，两套油站设备的调试，原有进出口测点利旧不变。 2.2.1就地控制箱 与工艺流程无关的负荷（不重要的设备）如：排水泵，抽水泵等可以通过就地控制箱操作。这类泵的电机采用就地液位控制并装有自动和手动操作装置。独立的液位控制柜装在电机附近。计量仪或液位监视仪应装于前面板。就地控制箱应有液位报警信号和故障信号输出接点。就地控制箱采用经热浸镀锌处理的外壳，安装于墙上或经过热浸镀锌处理的支架上。 控制箱装有必要的进线熔断器或负荷开关，小型断路器、熔断器、辅助继电器、接触器、过流继电器、端子排、接地端和电缆连接单元。 2.2.2电缆设施 电缆根据工程实际情况恰当地采用电缆沟通道﹑电缆桥架﹑地下埋管的敷设方式。地下埋管的电缆每隔15m左右应在地面设置永久性标志。6kV动力电缆、0.4kV动力电缆、控制电缆、信号电缆等按有关标准和规范分层（或分隔）敷设，负责电缆孔洞的封堵。 2.2.3电缆构筑物 1、电缆沟采用电缆支架，屋内、外架空敷设采用电缆桥架。敷设于电缆桥架和电缆支、吊架上的电缆必须排列整齐﹑美观。 2、电缆桥架和电缆支、吊架采用经