On August 15^th, 2015, Liupanshan project entered into #1 unit Class  B maintenance stage. The project staff found that the power cable of bucket  wheel machine have served for such long time that there existed potential safety  hazard. The project decided to replace the power cable.

    On September 1^st, it was get  ready for the replacement. The electric heating specialist engineer finished the  safety clarification.

    On the maintenance site, it was very  difficult to replace the power cable. By the whole staff cooperation, it was  orderly to perform the work. Three persons made a group to pass one cable head.  A full set of process of dismantling, cutting, installation and connection was  operated orderly and safely. In the afternoon, through the whole staff concerted  efforts, the replacement work was completed.