Dr. T. M. N. Wijayaratna

BSc Eng (Moratuwa) ,MEng AIT), DEng(Yokohama), CEng,, MIE ( SL )

Senior Lecturer Grade I, Department of Civil Engineering,
University of Moratuwa,

Contact Information:
Department of Civil Engineering
University of Moratuwa,
Moratuwa, Sri Lanka.

e mail:   nimalw@uom.lk


Tel.: 011-2650567 Ext. 2022

Fax: 011-2651216

       Professional Qualifications


Oct. 1997 -Sep. 2000 Yokohama National University , Yokohama , Japan

                                      Doctor of Engineering (Civil Engineering)

Sep. 1995 -Apr. 1997 Asian Institute of Technology, Bangkok , Thailand

                                     Master of Engineering (Coastal Zone Engineering and Management)

Dec. 1986 -Jul. 1993 University of Moratuwa , Moratuwa , Sri Lanka

                                   Bachelor of Science of Engineering (Civil Engineering)

                                   First Class Honours


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Professional Qualification

  • Chartered Engineer
  • Corporate Member of the Institute of Engineers, Sri Lanka


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•  Senior Lecturer ( Feb. 2012 -To date)

Dept. of Civil Engineering, Faculty of Engineering, University of Moratuwa, Katubedda,

Moratuwa, Sri Lanka


•  A member of the Technical Expert Group on the rehabilitation of 18 lagoons on the west, south and east coasts of Sri Lanka; Practical Action, Sri Lanka.

•  Urban storm water drainage modeller ; Flood Mitigation and Drainage Management Component of the Colombo Urban Development Project ; COWI, Denmark.

•  Hydrologist; Detailed drainage designs of Matara-Beliatta railroad, Sri Lanka Railway Department.



Senior Lecturer ( Dec. 2001 -Jan. 2012)

Dept. of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna,

Hapugala, Galle, Sri Lanka


•  Hydrologist; Reconstruction and Rehabilitation of A32 road in Northern Province; Access Engineering Ltd., Sri Lanka

•  Coastal Processes Modeling Engineer; Harbour development projects at Ungoofaaru, Noonu Manadhoo, Haa Dhall Makunudhoo in Republic of Maldives; Central Engineering Consultancy Bureau, Sri Lanka

•  Hydrologist; Reconstruction and Rehabilitation of A15, B10 and a C class road in Eastern Province; Access Engineering Ltd. and China Harbor Engineering Company Ltd., Sri Lanka

•  Research supervisor; HEC RAS and HMS based flood forecasting models for Nilwala and Gin rivers.

•  Member of the WASEDA-YNU Coastal Disasters, Environment and Management in Asia and Africa Group; Waseda University and Yokohama National University, Japan

•  Coastal Hydrologist/Coastal Engineer on the project, rehabilitation of Koggala, Malala and Rajgama lagoons; Practical Action, Sri Lanka

•  Drainage engineer -Storm water drainage management plan for Galagodawatte housing scheme; EML Consultants for Salvation Army of Sri Lanka.

•  Flood Modeler; Project on drainage designs of interchange at Colombo-Matara expressway in Nilwala flood plain, Road Development Authority, Sri Lanka.

•  Member of the EIA team on Ananthaya luxury hotel, Karukkapane, LAUGFS Leisure Ltd., Sri Lanka.

•  Hydrologist for the IEE of Atabage Oya mini hydropower project in Gampola, Kolonna MKN Eco Power (pvt) Ltd., Sri Lanka

•  Member of the research team on the project of rehabilitation of Koggala lagoon, Practical Action.

•  Hydrologist; Preliminary drainage designs of a 25 km rail road from Matara to Beliatta, Ministry of New Railroad developments, Sri Lanka.

•  Flood modeler; project on rehabilitation and improvement of Karawahu drainage scheme, Department of Irrigation, Sri Lanka.

•  Coastal processes modeling engineer; Dhuvaafaru Harbour Development Project, Republic of Maldives; Central Engineering Consultancy Bureau, Sri Lanka .

•  Research project supervisor; Tsunami risk assessment for the Galle city area in the southern province of Sri Lanka.

•  MIKE11 hydraulic and water quality modeling expert; project on Water Quality Improvement in Colombo Canal Systems; COWI, Denmark.

•  Researcher; Modeling of oil spill trajectory in the Persian Gulf, in collaboration with the Department of Civil Engineering, K.N.Toosi University of Technology, Tehran, Iran.

•  Environmental and Coastal Engineer; Initial Environmental Examination of the Proposed Fishery Harbour at Hambanthota, Resource Management Consultants (pvt) Ltd.

•  Coastal Engineer, Model studies and detailed designs of fishery harbours at Kapparatota, Kottegoda, Nilwella and Gandara in the south coast of Sri Lanka for Ceylon Fishery Harbour Corporation.

•  Coastal Engineer, Environmental Impact Assessment of Ratmalana / Moratuwa and Ja-Ela / Ekala Wastewater systems, SWECO International AB / EML Consultants.

•  Fishery Harbour Engineer; Initial Environmental Examination of the Proposed Fishery Harbour at Ambalangoda, TEAMS (Pvt) Ltd.


Senior Hydraulic Engineer ( Nov. 2000 -Dec. 2001)

Lanka Hydraulic Institute Ltd., Moratuwa, Sri Lanka


•  Hydrologist and Hydraulic Engineer ( on secondment ), Colombo Metropolitan Region Storm Water Drainage Master Plan; JICA and Nippon Koi Corporation.

•  Hydrologist; Consultancy Services for Salinity Studies on Kalu Ganga; National Water Supply and Drainage Board, Sri Lanka.

•  Hydrologist; Hydraulic & Hydrological Studies on the Proposed Colombo -Katunayake Expressway; Deawoo -Keangnam Joint Venture, Korea.


Research Student ( Oct. 1997 -Sep. 2000)

Yokohama National University, Yokohama, Japan


•  Research Study - Numerical Simulation of Wave Breaking on Slopes and Its Applications.


Research Associate (Apr. 1997 -Sep. 1997)

Asian Institute of Technology, Bangkok, Thailand


•  A member of the team assigned to prepare an Environmental Impact Assessment (EIA) for a large scale near shore land reclamation project for the extension of Rayong Industrial Estate in Rayong, Thailand.


Graduate Student (Oct. 1995 -Apr. 1997)

Asian Institute of Technology, Bangkok, Thailand


•  Research Study - Formulation and development of a two dimensional numerical model for the prediction of oil spill trajectory in the gulf of Thailand.


Research Engineer (Jun. 1994 -Sep. 1995)

Lanka Hydraulic Institute, Moratuwa, Sri Lanka


•  Mathematical modeler and design engineer, Rehabilitation of Puranawella Fishery Harbour - Ceylon Fishery Harbours Corporation, Sri Lanka.

•  Civil Engineer, Project for Control of Beach Erosion at Tanjong Sapo, SG. Tutong Estuary and SG. Belait - Department of Public Works, Brunei Darussalam.


Instructor (Jun. 1993 -Jun. 1994)

Department of Civil Engineering, University of Moratuwa, Moratuwa, Sri Lanka


•  Involved in a study on the siltation of Negombo lagoon.


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