①. It is necessary to wear safety helmet while entering the pipeline ditch.
②. It is necessary to inspect the pipeline ditch whether existing dangerous landslide, if exist, absolutely prohibited to enter the ditch.
③. While assembling large-diameter pipes with correction jack, the jack must be grasped up and down by two persons.
④. While installing joint, cotton padded gloves must be used as far as possible.
⑤. It is prohibited to enter the pipe deeply alone after finishing assembling pipeline or for inspecting hydraulic pressure.
In particular, if entering the pipeline which have been assembled and buried for a while or broken off for accident, in which would be often filled with CO (carbon monoxide), under this situation, the person should pay full attention and take CO (carbon monoxide) detector.
Post time: Apr-20-2021