Waste dump inspection

• Operator of the waste dump

• Location of the waste dump
  Address

• Inspection by

• Inspection date

  Date

• Summary of inspection

Permits and approvals

• All required/approvals available?

  Yes

  No

• Missing permits/approvals are

Geometry of waste dumps

• Surface area of each dump [ha]

• Absolute altitude of dump

• Relative altitude of dump above dam toe

• Waste dump volume

• Waste dump dimensions (slope height, length and width of the crest, crest inclination)

General informations about the waste dumps

• Number of dumps

• Waste volumes of the mine dumped (daily, monthly, yearly)

• Chemical composition of the minerals

• Waste density estimation

• Raising rate of waste dumps if constructed in lifts

• Remaining service life of the waste dump

Water system

• Does a water treatment system exist?

  Yes

  No

• Volume flow of water treatment system

Control measures

• Monitoring and control of

  Select Settlement Dump movement Phreatic surface Water quality when discharged to environment No monitoring and control

  • Settlement
  • Dump movement
  • Phreatic surface
  • Water quality when discharged to environment
  • No monitoring and control

• Do SOP's exist for

  Select Dumping action Raising of lifts Emergency

  • Dumping action
  • Raising of lifts
  • Emergency

• Do soil erosion control measures for the waste dumps exist?

  Yes

  No

• Assessment of the physical stability

  Select Ok Ok with limitations Compromised At risk

  • Ok
  • Ok with limitations
  • Compromised
  • At risk

• The key factors for the classification of "compromised" and "at risk"

  Select Embankment stability Water management Surface erosion Piping erosion Factors in slopes and crest Missing freeboard

  • Embankment stability
  • Water management
  • Surface erosion
  • Piping erosion
  • Factors in slopes and crest
  • Missing freeboard

• Assessment of the environmental stability

  Select Ok Ok with limitations Compromised At risk

  • Ok
  • Ok with limitations
  • Compromised
  • At risk

• The key factors for the classification as "compromised" or "at risk"

  Select Effluent water quality Erosion Seepage in the underground Chemicalload of effluent Radioactivity Spills AMD potential

  • Effluent water quality
  • Erosion
  • Seepage in the underground
  • Chemicalload of effluent
  • Radioactivity
  • Spills
  • AMD potential

Construction method of Waste dump

• Construction method of waste dumps

  Select Top down Bottom up

  • Top down
  • Bottom up

• Waste dump layout

  Select Cross valley fill Valley fill Side hill single Side hill multiple Ridge crest Heaped fill

  • Cross valley fill
  • Valley fill
  • Side hill single
  • Side hill multiple
  • Ridge crest
  • Heaped fill

• Operation procedure for multiple waste dumps

  Select Alternating Simultaneous

  • Alternating
  • Simultaneous

• Foundation improvements of the waste dump

  Select Key way Overburden/topsoil removal

  • Key way
  • Overburden/topsoil removal

• Dumping method and equipment

  Select Push End Free Other

  • Push
  • End
  • Free
  • Other

• Impermeabilization and liner system

  Select Existing Not existing

  • Existing
  • Not existing

• What types of mine wastes are being dumped?

  Select Topsoil Overburden Waste rock Leaching waste Slags Waste rock with AMD potential

  • Topsoil
  • Overburden
  • Waste rock
  • Leaching waste
  • Slags
  • Waste rock with AMD potential

• Fotos of the waste dumps

  Media

Auxiliary elemnts in waste dumps

• What auxiliary elements are used

  Select Ramps Berms Benches Diversion ditches Water ponds Toe berm culverts Road ways None

  • Ramps
  • Berms
  • Benches
  • Diversion ditches
  • Water ponds
  • Toe berm culverts
  • Road ways
  • None

• Fotos of the Auxiliary elements

  Media

Catchment area

• Catchment area condition

• Impacts on catchment area

  Select Erosion Steep slopes Waterways erosing the dump

  • Erosion
  • Steep slopes
  • Waterways erosing the dump

• Action required to improve the catchment area condition?

  Yes

  No

• What kind of action for the improvement of the catchment area condition is needed?

• Foto Catchment area

  Media

• Add media

  Media

Waste dump condition

• Crest and slope friction indicating movement in the waste dump

• Dump slope (angle) oversteepened

• Dump toe bulging

• Runout of waste material

• Diversion and contour ditches of the waste dumps

  Adequate

  Not adequate

• Ramps, benches and haulage roads of the waste dumps

  Adequate

  Not adequate

• Culverts of the waste dumps

  Adequate

  Not adequate

Outflow water of the waste dump

• Color

• pH

• Oxygen concentration

• Temperature

• EC/TC

• Turbidity

• Smell

Water discharge to the environment

• Color

• pH

• Temperature

• Oxygen concentration

• EC/TC

• Turbidity

• Smell

Downstream groundwater quality

• Color

• Turbidity

• Smell

• pH

• Temperature

• Oxygen content

• EC/TC

Environmental condition

• Dust generation from haulage and dumping operation for waste dumps

• Details of any life on and around the waste dumps

• Details of any vegetation on and around the wast dumps

• Accessibility to the dumps

• Action required for the environmental condition for

  Select Ponding water in the dump that does not serve any operational purposes Reclamation activities None

  • Ponding water in the dump that does not serve any operational purposes
  • Reclamation activities
  • None

• Particle size distribution of the waste (fine/coarse/blocks)

• Moisture of the waste

• Acid generation and buffering potential of water treatment system

• Metals and salts in the water treatment system