Yosef Tafa Oba
Yosef Tafa Oba
Yosef Tafa Oba is a senior engineering geologist with over 15 years of professional experience in geotechnical investigations, materials engineering, hydrogeology, engineering geological mapping, and foundation assessment for major infrastructure projects. His experience covers dams, bridges, roads, buildings, wastewater facilities, and hydropower-related works.
He has strong expertise in dam and geotechnical site investigation, borehole logging, in-situ testing, construction material sourcing, hydrogeological assessment, and technical reporting. His professional background combines disciplined field investigation, laboratory coordination, engineering interpretation, and practical support to feasibility and detailed design assignments.
Key Expertise Areas
- Engineering Geology and Geotechnical Investigation
- Dam Foundation Investigation and Site Characterization
- Construction Materials Sourcing and Quality Control
- Hydrogeology and Groundwater Assessment
- Borehole Logging and Drilling Supervision
- In-Situ Testing (SPT, CPT, DCP, Permeability Tests)
- Geological and Geotechnical Mapping
- Technical Report Preparation and Engineering Documentation
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Professional Tools
Constant & Falling Head Tests
GIS | Remote Sensing | AutoCAD
Geological Mapping | Geotechnical Reporting