Chapter Five questions Tungsten: Bulletin Conceal Tailings Seepage?

June 2010, the safety assessment agency Jiangxi China Security Technology Research and Consulting Centre Limited Lei Shi tungsten mine tailings were safety evaluation, and issued a "Mazzoni Zhang Dayu Tungsten Industry Co., Lei Shi tungsten mine tailings safety acceptance evaluation report. "Lei Shi tungsten ore tailings dam is fine aggregate concrete masonry stone dam design flood return period of 50 years, parity flood return period of 200 years; Xin'an sub-tungsten tin tailings dam of earth and rock mix dam, the initial design flood return period of 20 years, post-flood return period of 100 years; Taoxikeng tungsten mine tailings dam reservoir dam and flood diversion tunnel design return period of 20 years, checking flood return period of 50 years. Administered mine tailings dam in good condition for safe operation, withstood the 2008 Bainianweiyu "6.13" and the 2009 floods, "7.3" floods inspection, engineering is not an exception occurs, nor floods accident, there is no significant security risks.

• < Prev
• Next >