工作人员在烟道清洗前要换好工作服，戴好防护眼镜及口罩，系好安全带。
Workers should change their work clothes, wear protective glasses and masks, and fasten their seat belts before cleaning the flue.
竖管清洗
Standpipe cleaning
（1）先做好下竖管施工的前期准备，施工人员必须具备高空操作资质，要系好安全带，头戴有顶灯的安全帽。另配备空气压力泵一台，以备在竖管中施工人员保持空气畅通。
(1) Prepare for the construction of the lower vertical pipe first. The construction personnel must have the qualification of high-altitude operation. They should fasten their seat belts and wear safety caps with headlights. Another air pressure pump is equipped to keep the air unblocked for the constructors in the vertical pipe.
（2）所有准备工作就绪后，施工人员进入竖管对管壁进行铲油，将油铲净后再用强力除油剂对管壁进行清油处理，至竖管底部后，施工人员再将剩余垃圾一并收到铲油桶内，然后由楼顶施工人员用安全绳吊至楼顶，并将垃圾放入垃圾袋，以备查验。
(2) After all preparatory work is completed, the builder enters the vertical pipe to shovel the oil on the pipe wall. After the oil shovel is cleaned up, the pipe wall is cleaned with a strong oil remover. After the bottom of the vertical pipe, the builder receives the remaining garbage in the shovel bucket, and then the roof builder hangs the garbage onto the roof of the building with a safety rope and puts the garbage in it. Put it in the garbage bag for inspection.