Spheroid Engineering Limited +260 977 538 016

Geotechnical & Hydrological Services

  • Soil analysis and foundation design
  • Tailings dams and waste dumps: statutory inspection, stability analyses and design
  • Engineer of Record, independent technical review and GISTM conformance
  • Underground support audits and excavation support design
  • Numerical modelling of open-pit and underground stability
  • Geotechnical studies: mapping, core logging, laboratory rock testing
  • In-situ testing: SPT, Lugeon and packer tests, pumping tests, piezometer installation, resistivity surveys
  • Blast vibration and sound-level monitoring
  • Hydrology and hydrogeology consultancy, surface- and groundwater numerical modelling

Geotechnical and hydrology services

Exploration Drilling Services

  • Diamond core drilling for exploration and resource definition
  • Reverse circulation (RC) drilling for first-pass, infill and grade control
  • Geotechnical drilling with SPT, packer and Lugeon testing
  • Hydrogeological drilling: monitoring bores, pumping-test and dewatering wells
  • Core and chip logging, sampling and QA/QC to the client's protocol
  • Programme management, downhole surveys and hole rehabilitation

Exploration drilling services

Mining Services

  • Contract mining
  • Shotcreting
  • Drilling and tunnelling
  • Installation of underground support
  • Chemical grouting
  • Underground loading-box construction and installation
  • Rubber lining of ball mills

Mining services

Construction Services

  • Concrete quality assurance
  • Mechanical and building construction
  • Drainage construction
  • Road maintenance

Construction services

Environmental Services

  • Environmental impact assessment (EIA)
  • EMS development, implementation and auditing
  • Waste management and environmental monitoring
  • Environmental risk assessment
  • Environmental legal compliance
  • Training for environmental works

Environmental services

Mineral Processing

  • Mineralogical characterisation: petrological microscopy, EPMA, SEM, XRD
  • Comminution, flotation, magnetic, gravity and hydrometallurgical test-work
  • Plant monitoring and optimisation by simulation and experiment
  • Flowsheet design for beneficiation and extraction

Mineral processing services

GIS & Geospatial Services

  • GIS installation and configuration
  • GIS migration and upgrade
  • GIS database design and loading
  • Mapping services

GIS and geospatial services

Mining Reagents

  • Flotation collectors, frothers, depressants, dispersants and activators
  • Flocculants for thickening, filtration and water clarification
  • Sulphuric acid, lime, SX diluent and lixiviants
  • Tested against your ore first, supplied with certificate of analysis and SDS

Mining reagents

General Supply

  • Pumps: slurry, gravel, dredge, water and froth-slurry
  • Mechanical and electrical service parts and consumables
  • Light and heavy mobile-equipment service parts
  • Personal protective equipment (PPE)
  • Drilling accessories

General supply

Engineer of Record & GISTM

  • Engineer of Record for tailings storage facilities
  • Senior Independent Technical Review
  • GISTM gap analysis and conformance preparation
  • Statutory tailings and rock-dump inspections since 2009

Tailings governance

Not sure which service you need?

Describe the site or the problem and we will scope it, cost it and tell you honestly what is worth doing.

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