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Prabhadevi
Dhanushka Kumara

Dhanushka Kumara

Geologist

Construction / Facilities

Prabhadevi, Mumbai

Social


About Dhanushka Kumara:

Professional with extensive experience in geological site investigation, underground excavation, leading role in major projects, an updated educational background, and also has the ability to adapt rapidly to new systems.

Experience

Tunnel Geologist   

Infotechs Ideas Pvt Ltd (Tractebel Engie- Geo Consultant JV)

   
10/2021 – PresentPolpithigama, Sri Lanka   
Construction of Mahakithula inlet tunnel, Mahakithula, Mahadambe & Mahakirula Earth Dams and cut & cover feeder canals   
Responsibilities   
Planning and conducting geotechnical investigation programs consisting of exploratory borehole drilling, augering, geological mapping, and trial pit/trench excavation   
  
  
Conducting core logging, trial pit & auger hole logging, and in-situ/laboratory testing for soil and rock   
Supervising tunnel excavation, mapping, grouting & side slope support works based on rock mass classification and approved design drawings   
Supervising dam foundation excavation & grouting   
Supervising dam & tunnel instrumentation and monitoring   
Digitizing & preparing as-built geo-structural maps and rock support maps for the tunnels & dams   
Reviewing method statements, construction drawings and as-built drawings according to the technical specifications   
    
Geologist   

Central Engineering Consultancy Bureau (CECB)

   
05/2019– 09/2021Digana, Sri Lanka   
Site Investigation Unit   
  
Responsibilities   
Managed, planned & implemented site investigation programs    
  
Conducted borehole logging, trial pit logging & geological mapping   
Conducted in-situ tests (Standard Penetration Test, Dynamic Cone Penetration Test, Mackintosh Probe Test, Field Hydraulic Conductivity Test, Lugeon Test, etc.)   
Prepared stratigraphic 3D models, borehole logs, test pit logs, cross sections and location maps   
Prepared geotechnical site investigation reports   
Surveyed with Total Station survey instrument   
    
   
Engineering Geologist  
Central Engineering Consultancy Bureau (CECB)   
03/2015– 04/2019Laggala, Sri Lanka   
Kaluganga Reservoir Earth & Rock Fill Dam, and Conveyance Tunnel & Canal Project: Water Resource Planning and Development Unit, Ministry of Mahaweli and Environment   
Responsibilities   
Conducted geological mapping and supervised slope support works of open pit excavations   
Conducted underground geological mapping & assigned the required wall supports in tunnels & adits   
Planned and conducted geotechnical investigation programs consisting of borehole drilling, probe hole drilling, geological mapping, trial pit excavation and geological testing for soil and rock.   
Planned, supervised & evaluated curtain and consolidation grouting programs in dam foundation, shafts, tunnels and other structures.   
Developed 3D geological models for the analysis and interpretation of subsurface geological formations   
Recognized and advised on foundation geological/ geotechnical issues of both dams and appurtenant structures.   
Reviewed method statements, construction drawings and as-built drawings according to the technical specifications   
    
Geologist   
National Building Research Organization (NBRO)   
01/2015– 03/2015Badulla, Sri Lanka   
Landslide Research & Risk Management Division   
Responsibilities   
Conducted site investigations on groundwater depletion in certain areas   
Conducted ground movement monitoring investigation, and Slope Stability analysis   
Prepared Landslide Risk Assessment reports as a pre-requisite for granting of building permits and approval of development projects   
Planned & implemented landslide investigation & risk management programs   
Planned human resettlement programs   
Prepared hazard zonation map of Badulla district   

 

Education

Bachelor of Science (Hons) in Geology (2015)
University of Peradeniya, Sri Lanka

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