Abstract: Contains water lower part the old hole area to mineseparates the water plan not to be able to determine that, holds 1center-section to make the security ore stone column, brings theadverse effect for the ore security highly effective recycling.Through the investigation, had determined non- ore Duan Geshui thescope, does not need to construct special separates the water project;Refers to the domestic mine experience and the related standard,separately uses the scrap rock cemented body, the security ore stonecolumn separates the water. Picks the field in the non- flood to carryon the different structure body to separate the water test, the craftsimple, the economy reasonable, is in order to safe reliably separatesthe water plan.