With the completion of D-level maintenance work for unit #1, some damaged tools appeared in the D-level maintenance work, especially the temporary safety fence. In order to ensure that all kinds of workmanship in the warehouse can meet the daily work needs of the project company, under the arrangement of the project company leader, the warehouse manager Ge Luyang and Chen Jianbao earnestly carried out the repair work of various damaged tools. The damaged Jack, chain hoists, power plate, electric tools, oxygen meter, acetylene meter and so on have been repaired, and the temporary safety fence and aluminum alloy ladder have been repaired too. Moreover, they recalibrated the repaired tools, replaced the qualified labels and updated the tool account which makes the project company realize the standardization and meticulous management of warehouse tools. The warehouse manager has been able to fulfill their duties with due diligence and has saved the operating cost for the project company.