Tailings Dam Raise

Project Timing:  01/2015– 04/2015

Project Value:  $2,200,000

Client details:  BHP (Coal Projects)

 

removal of existing features in construction footprint:
tailings pipelines, valves, spigots and bollards
topsoil stockpiles

 

excavation and preparation of embankment foundations

 

placement and compaction of earthfill materials in three zones to construct the embankment raise:
Coarse coal rejects embankment core
1B outer embankment
1A (clay) inner embankment

 

topsoiling, hydromulching and seeding of downstream batter of the raised embankments;

 

reinstatement of the tailings pipelines on the crest of the partial raise