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- 1. Core Groundwater Technical ServicesCore Groundwater Technical Services cccc CK 92 / 049093CK 92 / 049093 Core Groundwater Technical Services cc COMPANYCOMPANY PROFILEPROFILE J. Louis van der Walt ND GEOLOGY (Pri.Sci.Nat) 100 % Shareholding 22 years experience P O BOX 72792 LYNNWOODRIDGE 0040 Cell: 082 465 8976 Fax: 086 648 6289 cgts@webafrica.org.za cgts123@gmail.com
- 2. C.G.T.S. SPECIALIZEDC.G.T.S. SPECIALIZED SERVICESSERVICES • Geohydrological InvestigationsGeohydrological Investigations • Scientific Data CapturingScientific Data Capturing • Structured Groundwater Database & GIS VisualizationStructured Groundwater Database & GIS Visualization • Desk StudiesDesk Studies # Regional Geological Description# Regional Geological Description # Regional Geohydrogical Description# Regional Geohydrogical Description # Groundwater Use - NGWDB & WARMS# Groundwater Use - NGWDB & WARMS • Baseline StudiesBaseline Studies # Physical Aquifer Descriptions# Physical Aquifer Descriptions # Hydraulic Aquifer Parameter Determinations# Hydraulic Aquifer Parameter Determinations > Pump test /Slug test / Packer test Analysis> Pump test /Slug test / Packer test Analysis > Borehole Sustainable Safe Yield Determination> Borehole Sustainable Safe Yield Determination # Hydro-chemical Description# Hydro-chemical Description # Hydro-census# Hydro-census # Aquifer Classification# Aquifer Classification Core Groundwater Technical Services cc
- 3. C.G.T.S. SPECIALIZEDC.G.T.S. SPECIALIZED SERVICES (contd.)SERVICES (contd.) • Groundwater Recharge / Reserve DeterminationsGroundwater Recharge / Reserve Determinations • Water use authorisation and license application groundwater studiesWater use authorisation and license application groundwater studies • Groundwater ModelingGroundwater Modeling • Commissioning of Groundwater Monitoring SystemsCommissioning of Groundwater Monitoring Systems • Routine Groundwater MonitoringRoutine Groundwater Monitoring • Exploration & Engineering GeophysicsExploration & Engineering Geophysics • Satellite Imagery & Photo InterpretationSatellite Imagery & Photo Interpretation • SurveyingSurveying Groundwater modeling, Satellite Imagery & Photo Interpretation andGroundwater modeling, Satellite Imagery & Photo Interpretation and Exploration & Engineering Geophysics, Surveying as well as LaboratoryExploration & Engineering Geophysics, Surveying as well as Laboratory work (geo-chemical and water chemistry analyses) are performed inwork (geo-chemical and water chemistry analyses) are performed in collaboration with specialist sub-consultants.collaboration with specialist sub-consultants. Core Groundwater Technical Services cc
- 4. DATA CAPTUREDATA CAPTURE the key to problem statement and solution realizationthe key to problem statement and solution realization • Geophysical surveyingGeophysical surveying • Borehole sitingBorehole siting • Drilling / rotary air percussion (odex) / RC / core / augerDrilling / rotary air percussion (odex) / RC / core / auger • Drilling supervision / Geological / Geohydrological profilingDrilling supervision / Geological / Geohydrological profiling • Multi-parameter profiling / Sampling horizon selectionMulti-parameter profiling / Sampling horizon selection • Down the hole geophysicsDown the hole geophysics • Specialized High Integrity SamplingSpecialized High Integrity Sampling • Slug testing / Packer testing/ Pump testingSlug testing / Packer testing/ Pump testing • SurveyingSurveying • Hydro-census surveysHydro-census surveys Data capturing is performed by fully qualified geo-technicians, in accordanceData capturing is performed by fully qualified geo-technicians, in accordance with a set of SOP’s that identifies the technical information and applicationwith a set of SOP’s that identifies the technical information and application requirements for the fulfilment of local legislation and formal authorizationrequirements for the fulfilment of local legislation and formal authorization processes.processes. Core Groundwater Technical Services cc
- 5. GROUNDWATER DATABASE &GROUNDWATER DATABASE & • Code & computerize dataCode & computerize data • Data verificationData verification • Structured data outputStructured data output • Data storage / safekeepingData storage / safekeeping GISGIS • Data VisualizationData Visualization • Thematic MappingThematic Mapping • SQL QueriesSQL Queries the gateway to visualization and understanding Core Groundwater Technical Services cc
- 6. RECENT PROJECTSRECENT PROJECTS • December 2015: Groundwater Assessment - Integrated Water Use LicenceDecember 2015: Groundwater Assessment - Integrated Water Use Licence Application for JJ Maritz and Son Sand mineApplication for JJ Maritz and Son Sand mine • December 2015: Proposed Sebele Lodge Development Remainder of theDecember 2015: Proposed Sebele Lodge Development Remainder of the farm Sebele 931 KP Geohydrological Studyfarm Sebele 931 KP Geohydrological Study • November 2015: Ferrous and Base Metal Exploration on Ptn.1 & theNovember 2015: Ferrous and Base Metal Exploration on Ptn.1 & the Remaining Extent of the farm Lemoenkloof 456 HD Groundwater Study &Remaining Extent of the farm Lemoenkloof 456 HD Groundwater Study & Impact AssessmentImpact Assessment • October 2015: National Ceramic Industries South Africa PTY (LTD)October 2015: National Ceramic Industries South Africa PTY (LTD) Gryphon Tile Factory Vereeniging Geohydrological StudyGryphon Tile Factory Vereeniging Geohydrological Study • September 2015: Iron ore and Manganese Exploration on Portion 4 of theSeptember 2015: Iron ore and Manganese Exploration on Portion 4 of the farm Kapstewel 436 HD Groundwater Desk Study & Impact Assessmentfarm Kapstewel 436 HD Groundwater Desk Study & Impact Assessment • August 2015: Portion3 Amsterdam 208 KT Hoedspruit GeohydrologicalAugust 2015: Portion3 Amsterdam 208 KT Hoedspruit Geohydrological StudyStudy Core Groundwater Technical Services cc
- 7. RECENT PROJECTSRECENT PROJECTS • December 2015: Groundwater Assessment - Integrated Water Use LicenceDecember 2015: Groundwater Assessment - Integrated Water Use Licence Application for JJ Maritz and Son Sand mineApplication for JJ Maritz and Son Sand mine • December 2015: Proposed Sebele Lodge Development Remainder of theDecember 2015: Proposed Sebele Lodge Development Remainder of the farm Sebele 931 KP Geohydrological Studyfarm Sebele 931 KP Geohydrological Study • November 2015: Ferrous and Base Metal Exploration on Ptn.1 & theNovember 2015: Ferrous and Base Metal Exploration on Ptn.1 & the Remaining Extent of the farm Lemoenkloof 456 HD Groundwater Study &Remaining Extent of the farm Lemoenkloof 456 HD Groundwater Study & Impact AssessmentImpact Assessment • October 2015: National Ceramic Industries South Africa PTY (LTD)October 2015: National Ceramic Industries South Africa PTY (LTD) Gryphon Tile Factory Vereeniging Geohydrological StudyGryphon Tile Factory Vereeniging Geohydrological Study • September 2015: Iron ore and Manganese Exploration on Portion 4 of theSeptember 2015: Iron ore and Manganese Exploration on Portion 4 of the farm Kapstewel 436 HD Groundwater Desk Study & Impact Assessmentfarm Kapstewel 436 HD Groundwater Desk Study & Impact Assessment • August 2015: Portion3 Amsterdam 208 KT Hoedspruit GeohydrologicalAugust 2015: Portion3 Amsterdam 208 KT Hoedspruit Geohydrological StudyStudy Core Groundwater Technical Services cc