Final cover


Construction of the tailings pond final cover was started with the test field construction in autumn 2004.

Construction works of the final cover system were completed in October 2008.

                    Tailings pond in August 2007Tailings pond in

                                                                                                                                        August 2007


Tailing pond in summer 2005.

Lõppkatte erinevate kihtide rajamine jäätmehoidla põhjatammil

Construction of final cover layers at tailings pond northern dam.

Compaction of sealing layer made of clay using sheep-foot roller.

Drainage trench with granite protection at tailings pond dam.

Construction of final cover layers using GPS- equipped buldozer.

  General concept
  Dam stabilisation
  Trench and diaphragm wall
  Interim cover
  Surface reshaping
  Final cover
  by HansaNet
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