成组更换单开道岔作业指导书

成组更换单开道岔作业指导书

目次

一、作业介绍 ....................................................................................... ４

二、作业流程图 ................................................................................... ５

三、作业程序及标准............................................................................ ６（一）施工前期准备阶段.................................................................... ６

1.设置防护 ............................................................................................ ６

2.预卸道砟 ............................................................................................ ６

3.石碴装袋 ............................................................................................ ６

4.线下组装岔排 .................................................................................... ６

5.线下铝热焊接 .................................................................................... ７

6.现场施工测量、放样......................................................................... ７

7.撤除防护 ............................................................................................ ７（二）施工阶段 ................................................................................... ７

1.设置防护 ............................................................................................ ７

2.转运机具材料 .................................................................................... ８

3.排除障碍物 ........................................................................................ ８

4.拆除旧道岔 ........................................................................................ ８

5.挖机挖除岔区道床旧石砟................................................................. ８

6.整平路基面 ........................................................................................ ８

7.回填石碴 ............................................................................................ ８

8.搭设新排走行轨 ................................................................................ ８

9.推移岔排就位、联接......................................................................... ９

10.补充石碴 .......................................................................................... ９

11.起、拨、捣固找平道岔................................................................... ９

12.路料回收、清理 .............................................................................. ９

13.质量回检、确认开通条件............................................................... ９

14.设置慢行 .......................................................................................... ９

15.销记开通 ...................................................................................... １０

16.逐级提速、收拾机具材料........................................................... １０

17.撤除防护 ...................................................................................... １０（三）施工后期跟进阶段................................................................ １０

1.设置防护 ........................................................................................ １０

2.安全巡养 ........................................................................................ １０

3.消缺整修 ........................................................................................ １０

4.刷新标志、标记等 ........................................................................ １１

四、质量标准 ................................................................................... １２

五、作业机具材料 ........................................................................... １４