Prof. S. P. Samarawickrama

BSc Eng(Moratuwa), DIC, PhD(London)

Professor,

Department of Civil Engineering,
University of Moratuwa

Contact Information: 

Address:
Department of Civil Engineering,
University of Moratuwa,
Moratuwa, Sri Lanka.

E-mail:   samans@civil.mrt.ac.lk  
Telephone: +94-11-2650567 / 2650568(Ext.2120)  
Fax:       +94-11-2651216 / 2650622 

       Profile

       Qualifications
     
       Career Progression

       Projects and Assignments Undertaken

       Fellowships and Awards

       Publications

       Short Courses and Workshops attended

       International Conferences attended

       Recognized Professional Distinctions

       Memberships of Boards of Management / Associations
	

Profile

Coastal, Port and Estuarine Engineer

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

• 1992-1999 - Lecturer, Civil Engineering Department , University of Moratuwa (Teaching, research and coordination of academic courses in Coastal and Harbour Engineering and Hydraulics- Leave of absence for Postgraduate studies. Oct. 1994-June: 1999).
• 1999 to 2008 - Senior Lecturer, Civil Engineering Department, University of Moratuwa (Teaching, research and coordination of academic courses in Coastal and Harbour Engineering and Hydraulics).
• 2008 to date - Professor, Civil Engineering Department, University of Moratuwa (Teaching, research and coordination of academic courses in Coastal and Harbour Engineering and Hydraulics).

Projects and Assignments Undertaken

Project: Hambantota Sea Port Development

Location: Sri Lanka Year: 2007/2008

Task: Numerical Modelling of Hydrodynamics and Sediment Transport for the Hambantota Sea Port Development

Project: Galle Port Development Project

Location: Sri Lanka Year: 2007

Task: Numerical Modelling and Coastal Engineering aspects for the Design of the Galle Port.

Project: Feasibility Study, Naval Harbour-Weligambay

Location: Sri Lanka Year: 2006/2007

Task: Numerical Modelling of waves and Planning and Design of the Harbour

Project: Al Lakbi Fishery Harbour Improvement, Oman

Location: Oman Year: 2006/2007

Task: Numerical Modelling of waves, littoral drift assessment and coastal impact assessment. Planning and Design of Coast Protection Structures.

Project: 300 MW, Combined Cycle Power Plant - Kerawalapitiya

Location: Sri Lanka Year: 2006

Task: Numerical Modelling of cooling water and water quality dispersion for the Combined Cycle Power Plant Project.

Project: Sethusamudram Canal Project (SSCP)

Location: Sri Lanka Year: 2006

Task: Hydrodynamic, Sediment Transport, Particle Analysis and Oil Spill Modeling to understand the environmental impacts of the SSCP project during and post construction using MIKE 21-HD, ST, PA and ASA-OilMap models.

Project: Colombo Port Efficiency and Expansion Project

Location: Sri Lanka Year: 2004

Task: (i) Hydrodynamic Modeling based on extensive field studies - to layout optimization, environmental impact and to investigate the current flow information for operations, during and post construction using MIKE 21-HD.

(ii) Sediment Transport Modeling - sediment transport regime for existing and proposed layouts to assess environmental impact and maintenance dredging requirements using MIKE 21-ST.

( iii) Water Quality Modeling - to assess the dispersal of wastewater from the Colombo area for the existing situation and after construction of the South Harbour using MIKE21 - HD and AD

(iv) Particle Analysis Modeling - to assess the dispersal of dredged sediments released during construction using MIKE21 - PA

Project: Institutional Strengthening of the Oil Spill Contingency Management (INSTCOM)

Location: Sri Lanka Year: 2001/2002

Task: Mathematical modelling of oil spills and assessing the risk of oil spill damage to specific coastal areas and resources

Project: Asian Development Bank - Fishery Harbour Project

Location: Sri Lanka Year: 2001/2002

Task: Mathematical Modelling for the Design of Two Fishery Harbours (Hambantota and Kalamatiya)

Project: Hawar Island

Location: Kuwait Year: 1998

Task: Numerical Model study - to solve the sedimentation problem of the Harwar Island bay

Project: Leeward Bay

Location: Caicos Island Year: 1997

Task: Numerical Model study - to improve the water circulation in the Leeward bay

Project: Salmon Bay

Location: Jeddah Year: 1996

Task: Numerical Model study - to improve the water circulation in the Salmon bay

Project: Long-Term Tide and Wave-Induced sedimentation at a Lagoon Entrance

Location: Imperial College, London Year: 1997

Task: Development and Application of a Numerical model system, which predicts hydrodynamics and sediment transport due to tidal action in estuarine regions. As a case study model was applied to the Negombo lagoon, Sri Lanka. This research work was successfully accepted for the Doctoral Degree.

Project: A bathymetric survey of Batticaloa Lagoon

Location: Sri Lanka Year: 2009/2010

Task: Providing necessary Coastal and Estuarine Engineering inputs to the study

Project: Mathematical Model Studies for River Regulatory Measures for Improvement of Draft in Hoogly Estuary, India

Location: India Year: 2009

Task: Numerical Modeling and Engineering Studies to identify the River Regulatory Measures to improve the Draft in the Estuary

Project: Feasibility and the Environmental Impact Assessment of Dredging the Passes in Rodrigues.

Location: Mauritius Year: 2009

Task: Numerical Modeling and Engineering Studies to identify the passes to be dredged and to assess the impact on the environment and to propose mitigatory measures.

Project: Feasibility of Dredging the Negombo Lagoon

Location: Sri Lanka Year: 2002-2003

Task: Numerical Modeling based on extensive field studies - to investigate the feasibility of dredging the Negombo Lagoon to improve circulation and water quality. Hydrodynamic, Sediment Transport and Advection - Dispersion Modeling using MIKE 21.

Project: Water Management of the Bolgoda Catchment

Location: Sri Lanka Year: 1992

Task: Research Project on Quantitative Surface Water Management of Low Land Catchments in Sri Lanka, with special reference to Bolgoda Catchment

Project: EIA study for the Development of the Heavy Industry Zone in the Board of Investment License Zone, Trincomalee

Location: Sri Lanka Year: 2009/2010

Task: EIA study - Coastal and Hydraulic Engineering Impacts

Project: EIA study for Passikudah National Holiday Resort

Location: Sri Lanka Year: 2009

Task: EIA study - Coastal and Hydraulic Engineering Impacts

Project: Strategic EIA study for Hambantota (SEA)

Location: Sri Lanka Year: 2009

Task: SEA study - Coastal Engineering Impacts

Project: IEE study for the Construction of a Weir Across Kelani River at Seethawaka Export Processing Zone at Avissawella

Location: Sri Lanka Year: 2009

Task: EIA study - Civil Engineering and Hydrological Engineering Impacts

Project: Environmental Management Program (EMP) for Colombo Port Efficiency and Expansion Project

Location: Sri Lanka Year: 2008/2010

Task: Preparation and Implementation of Environmental Management Programme

Project: EIA study for the Sapugaskanda Oil Refinery Expansion and Modernization Project

Location: Sri Lanka Year: 2008/2009

Task: EIA study - Civil Engineering and Hydrological Engineering Impacts

Project: Strategic EIA study for Dedduwa Holiday Resort Area (SEA)

Location: Sri Lanka Year: 2008/2009

Position: Team Member (for MG Consultants)

Task: SEA study - Coastal, Estuarine and Hydrological Engineering Impacts

Project: EIA study for the Development of the 2 nd International Airport, Mattala

Location: Sri Lanka Year: 2008/2009

Task: EIA study - Civil Engineering and Hydrological Engineering Impacts

Project: IEE study for the proposed 2 nd Offshore Fuel Oil Pipeline from SPBM to Muthurajawela Tank Farm

Location: Sri Lanka Year: 2008

Task: IEE study - Coastal, Hydrological and Environmental Engineering Impacts

Project: IEE study for the Pothupitiya Landing Out Point

Location: Sri Lanka Year: 2008

Task: IEE study - Coastal and Hydrological Engineering Impacts

Project: IEE study for the proposed CPSTL cross country pipeline project

Location: Sri Lanka Year: 2008

Task: IEE study - Coastal and Hydrological Engineering Impacts

Project: Strategic EIA study for Trincomalee (SEA)

Location: Sri Lanka Year: 2007

Task: SEA study - Coastal Engineering Impacts

Project: EIA study for the Madu Ganga Leisure Resort Project

Location: Sri Lanka Year: 2007

Task: EIA study - Hydraulic and Coastal Engineering Impacts relating to the Apartment Complex.

Project: EIA study for the Apartment Complex, Kollupitiya

Location: Sri Lanka Year: 2006

Task: EIA study - Hydraulic Impacts relating to the Apartment Complex.

Project: EIA study for the Evason Hideway Resort & Spa, Maduganga

Location: Sri Lanka Year: 2006

Task: EIA study - Hydraulic and Coastal Engineering Impacts relating to the Evason Hideway Resort in Maduganga.

Project: EIA study for Colombo Port Efficiency and Expansion Project

Location: Sri Lanka Year: 2004

Task: EIA study - Coastal Engineering Impacts relating to the Colombo South Port Development

Project: IEE study for the Serendib Floor Mill in the Colombo Port

Location: Sri Lanka Year: 2004

Task: IEE study - Coastal Engineering Impacts relating to the Serendib Flour Mill Development in the Colombo Port

Project: Re-Location of Tanneries in Bata-atha, Ambalantota

Location: Sri Lanka Year: 2003

Task: Review of Hydrodynamics and Coastal Engineering impacts relating to the proposed Sea Outfall and make recommendations.

Project: EIA study for Fishery Anchorage at Chilaw

Location: Sri Lanka Year: 2003

Task: EIA study - Coastal Engineering Impacts relating to the Development of a Fishery Anchorage at Chilaw.

Project: EIA study for Offshore Sand Mining and Coast Protection Schemes for the South Coast.

Location: Sri Lanka Year: 2002

Task: EIA study - Coastal Engineering Impacts relating to the offshore sand mining and coast protection schemes.

Project: Evaluation of EIA Report of the Proposed Harbour Development Project - Galle.

Location: Sri Lanka Year: 2001

Task: Review of coastal and harbour engineering impacts relating to the proposed harbour development in the context of the EIA report for the project and make recommendations.

Project: Dodanduwa Fishery Harbour

Location: Sri Lanka Year: 2000

Task: EIA study - coastal and harbour engineering impacts relating to the development of the fishery harbour at Dodanduwa with particular reference to its review of numerical modelling.

Project: Design of Fishery Infrastructure Facilities in Colombuthurai, Gurunagar, Navanthurai and Kakkaitivu in Jaffna Peninsular

Location: Sri Lanka Year: 2010

Task: Planning and Design of Jetties and Identification of Coastal Engineering Impacts

Project: Detailed Design of Fishery Harbours in Suduwella-Matara District, Peraliya-Galle District and Palachchenai-Baticaloa, District

Location: Sri Lanka Year: 2010

Task: Detailed Design of Coastal Structures, Shore facilities, BOQ & Tender Documents and Environmental Impact Assessments

Project: Detailed Design of Six Fishery Harbours in Maldives; Dharavandhoo, Kaashidhoo, Goidhoo, Mathiveri, Hinrilandhoo, Dewadhoo

Location: Maldives Year: 2009/2010

Task: Planning and Design of Seven Fishery Harbours

Project: Detailed Design of Three Fishery Harbours in Maldives; Dhiffushi, Hoarafushi, Ihavandhoo

Location: Maldives Year: 2009/2010

Task: Planning and Design of Seven Fishery Harbours

Project: Design Review and Modifications for the Nilwella Fishery Harbour

Location: Sri Lanka Year: 2009

Task: Design Review, Preparation of BOQs, Specifications and Construction Drawings

Project: Pre-feasibility Studies for the Development of Fisheries Anchorages at Kaikawala, Paraliya, Kattankudi and Kaluwankerni

Location: Sri Lanka Year: 2009

Task: Engineering Feasibility of the locations

Project: Feasibility Study for the Design of Fishery Harbours in Suduwella-Matara District, Sainthamaruthu-Ampara District and Vakarai-Baticaloa, District

Location: Sri Lanka Year: 2009

Task: Engineering Feasibility, Planning and Design of Fishery Harbours

Project: Investment Appraisal of Development Options at Kalametiya Fish Landing Site

Location: Sri Lanka Year: 2009

Task: Engineering and Environmental Feasibility of Development of Kalametiya Fishery Anchorage

Project: Pre Feasibility Study for the Development of Fishery Infrastructure in Jaffna Peninsula and Mannar Island

Location: Sri Lanka Year: 2009

Task: Engineering and Environmental Feasibility of Development of Fishery Harbours, Anchorages and Landing Sites

Project: Shoreline Improvements at Galle West - TAARP

Location: Sri Lanka Year: 2008/2009

Task: Planning and Design of Coastal Structures for a 2km Coastline of varying conditions.

Project: Krishnapatnam Port Development

Location: India Year: 2007/2008

Task: 3D Basin Studies for the Planning and Design of Krishnapatnam Port Development

Project: Feasibility Study, Naval Harbour-Weligambay

Location: Sri Lanka Year: 2006/2007

Task: Planning and Design of Naval Harbour for Sri Lanka Navy

Project: Al Lakbi Fishery Harbour Improvement, Oman

Location: Oman Year: 2006/2007

Task: Numerical Modelling of waves, littoral drift assessment and coastal impact assessment. Planning and Design of Coast Protection Structures.

Project: Al Marjan Island Development, UAE

Location: UAE Year: 2005/2006

Task: 2D (flume) Physical Modelling to study the stability of coastal structures and to access overtopping.

Project: Fun Island Barrier Reef System, Maldives

Location: South Male Atoll, Maldives Year: 2005/2006

Task: Mathematical and Physical Modelling to provide the basis for the preparation of preliminary designs.

Project: Design of Fishery Harbours at Kapparatota, Gandara, Kottegoda and Nilwella

Location: Sri Lanka Year: 2002 - 2003

Task: Harbour Layout Planning and detailed design of Breakwaters for four Fishery Harbours

Project: Asian Development Bank - Fishery Harbour Project - Design of Kalametiya Fishery Harbour

Location: Sri Lanka Year: 2002/2003

Task: Detailed Design of Breakwaters

Project: Investigation of the Hydraulic Design Parameters of Rubble Mound Breakwaters

Location: Sri Lanka Year: 2000 - 2003

Task : Investigation of hydraulic design parameters of rubble mound breakwaters using large scale hydraulic models. Structures include statically and dynamically stable sloping and berm breakwaters, armoured with rock and concrete armour units.

Project: Environmental Management System for Sri Lankan Asbestos Industry

Location: Sri Lanka Year: 2002/2003

Task: Preparation of guidelines for an Environmental Management System for Sri Lankan Asbestos Industry

Project: ISO 14001 Certification - Sri Ramco Lanka (Pvt.) Ltd.

Location: Sri Lanka Year: 2001/2002

Task: ISO 14001 certification for Asbestos Roofing Sheet Manufacturing Company- Sri Ramco Lanka (Pvt) Ltd.

• Award for the Top Ten Downloaded Articles, Journal of Hydro-environmental Research, Elsevier, Amsterdam, Netherlands, “Effects of porous barriers such as coral reefs on coastal wave propagation".
• Certificate of Appreciation for the outstanding partnership and contribution to the development of an Indian Ocean Tsunami Warning System by USAID/IOTWS Programme.
• University of Moratuwa, Award for Outstanding Research Performances for the 3 Years ending 31 st December 2007.
• University of Moratuwa, Award for Outstanding Research Performances for the 3 Years ending 31 st December 2006.
• Awarded a Presidential Scholarship, Category 3: Short Term Scholarship for Academic Staff of Universities and Recognized Technical Educational Institutes, 2005.
• University of Moratuwa, Award for Outstanding Research Performances for the 3 Years ending 31 st December 2005.
• University of Moratuwa, Award for Outstanding Research Performances for the 3 Years ending 31 st December 2004.
• University of Moratuwa, Award for Outstanding Research Performances for the 3 Years ending 31 st December 2003.
• University of Moratuwa, Award for Outstanding Research Performances for the 3 Years ending 31 st December 2002.
• The Award Winning Paper (First Place) presented for the Water Related Infrastructures Competition sponsored by St. Anthony's Industries Group (Pvt) Ltd - Application of Management Frameworks in Coastal Zone Management, 2001.
• The Award Winning Paper (First Place) presented for Water Resources Development / Water Management Competition sponsored by IWMI and IESL - Environmental Management of Lagoons for Sustaining Multiple Uses - Case Study Negombo Lagoon, 2000.
• Awarded an Open Commonwealth Scholarship to pursue postgraduate research at the Imperial College, London, 1994.
• Awarded the UNESCO Team Award (University of Moratuwa Gold Medal), which is awarded annually to the best Engineering Graduand among all Engineering disciplines, 1992.
• Awarded the Prof. C. Patuwathavithana Memorial Award, which is awarded to the student who obtains the highest average among all Engineering disciplines at the B.Sc. Engineering Final Part III Examination, 1992.
• Awarded the K.N.S. Kulasinghe Award, which is awarded to the best Civil Engineering Graduand, 1992.
• Awarded the IBM International scholarship for the student who scored the highest average among all Engineering disciplines at the B.Sc. Engineering Final Part 1 Examination for the academic year 1986/1987.
• Awarded the Mahaweli Authority Award, which is awarded to the best Hydraulics and Environmental Engineering Graduand, 1992.

• Views of Sri Lanka on the Sethusamudrum Project, ISBN 978-955-1266-68-4, Chapter 1-Hydrodynamic Modelling.
• The Propagation of the Killer Wave, ECO - Sri Lanka, ISSN 1800 - 1076, Central Environmental Authority.
• Training Manual on Disaster Risk Reduction, Coast Conservation Department, 2009, Chapter on Coastal Processes, Coastal Erosion, Causes of Coastal Erosion and Coastal Erosion Control Methods.

• Long-term Tide and Wave-Induced Sedimentation at a Lagoon Entrance.
  S.P. Samarawickrama
  PhD Thesis, Department of Civil Engineering, Imperial College of Science, Technology and Medicine, London, August 1999

Research Papers

• Chathura Manawasekara , Harsha Ratnasooriya and Saman Samarawickrama , Flow through Vegetation: Steady Flow Resistance and Tsunami Impact Mitigation, Annual Symposium 2009, General Sir John Kotelawala Defence University, Ratmalana, Sri Lanka, December 2009.
• Isuru Wijayawardena, Harsha Ratnasooriya and Saman Samarawickrama , Global Climate Change: Sea Level Rise and Shoreline Response, Annual Symposium 2009, General Sir John Kotelawala Defence University, Ratmalana, Sri Lanka, December 2009.
• Isuru Wijayawardena, Harsha Ratnasooriya and Saman Samarawickrama , Global Climate Change: Impact on the Coastal Zone of Sri Lanka, Developments in Forestry and Environment Management in 2009, International Forestry and Environment Symposium, Department of Forestry and Environment Science, University of Sri Jayewardenepura, Sri Lanka, December 2009.
• N A K Nandasena, R P S S Bandara, S S L Hettiarachchi, A H R Ratnasooriya, N Tanaka and S P Samarawickrama , Experiments on s olitary w aves p assing through c oastal v egetation under Waterlogged Conditions, SCSTW3: South China Sea Tsunami Workshop 3, Organized by the University Sains Malaysia, Penang, Malaysia, November 2009.
• Harsha Ratnasooriya, Samantha Hettiarachchi and Saman Samarawickrama , Tsunami Impact Mitigation by Coastal Vegetation, Presentation at the Colloquium on Mangrove Rehabilitation Efforts in Sri Lanka, organized by the International Union for Conservation of Nature ( IUCN ), Colombo, Sri Lanka, November 2009.
• Harsha Ratnasooriya , Chathura Manawasekara, Saman Samarawickrama and Norio Tanaka, f low through v egetation: s teady f low r esistance, International Exchange Symposium on Sustainable Infrastructure Development in Asia, Organized by Saitama University, Japan & University of Ruhuna and conducted in Galle, Sri Lanka, September 2009.
• Isuru Wijayawardane, Harsha Ratnasooriya and Saman Samarawickrama , Global Climate Change: Impact on The Coastal Zone of Sri Lanka, International Exchange Symposium on Sustainable Infrastructure Development in Asia, Organized by Saitama University, Japan & University of Ruhuna and conducted in Galle, Sri Lanka, September 2009.
• Janaka Bamunawala, Harsha Ratnasooriya and Saman Samarawickrama , c oastal c onstructions and s horeline r esponse, International Exchange Symposium on Sustainable Infrastructure Development in Asia, Organized by Saitama University, Japan & University of Ruhuna and conducted in Galle, Sri Lanka, September 2009.
• Saman Samarawickrama , Samantha Hettiarachchi and Harsha Ratnasooriya, Developments in Tsunami Risk Assessment Case Study: City of Galle, s ymposium on 'Promoting Knowledge Transfer to Strengthen Disaster Risk Reduction & Climate Change Adaptation', Organized by the Disaster Management Centre (DMC) and UNDP, Colombo, Sri Lanka, July 2009.
• S S L Hettiarachchi, S P Samarawickrama and A H R Ratnasooriya, Investigations on the use of Bio Shields against Tsunami Hazards, s ymposium on 'Promoting Knowledge Transfer to Strengthen Disaster Risk Reduction & Climate Change Adaptation', Organized by the Disaster Management Centre (DMC) and UNDP, Colombo, Sri Lanka, July 2009.
• N A K Nandasena, N Tanaka, K Tanimoto, R P S S Bandara, A H R Ratnasooriya, S S L Hettiarachchi, and S P Samarawickkrama , Investigations on Tsunami Inundation and Coastal Vegetation Characteristics, The Third IAHR International Conference in Ocean Engineering (ICOE-2009), Indian Institute of technology Madras (IITM), India, February 2009.
• Harsha Ratnasooriya, Saman Samarawickrama , Samantha Hettiarachchi, Chathura Manawasekara, Investigations on Tsunami Impact Mitigation by Coastal Green Belts, Developments in Forestry and Environmental Management, 13 th International Forestry and Environment Symposium 2008, Organized by the Department of Forestry and Environmental Science, University of Sri Jayawardenapura, Sri Lanka, December 2008.
• S S L Hettiarachchi, S P Samarawickrama and A H R Ratnasooriya, Tsunami Inundation Modelling and Risk Assesement: City of Galle, International Conference on Tsunami Warning, organized by the State Ministry of Research and Technology, Republic of Indonesia, held in Bali, November 2008.
• A H R Ratnasooriya, S P Samarawickrama , S S L Hettiarachchi, R P S S Bandara and N Tanaka, Mitigation of Tsunami Inundation by Coastal Vegetation, “Engineer", Journal of the Institution of Engineers, Sri Lanka, October 2008.
• Chathura Manawasekara, Saman Samarawickrama , Harsha Ratnasooriya, Resistance to Flow through Vegetation and Tsunami Impact Mitigation, International Exchange Symposium on Sustainable Infrastructure Development in Asia, Organized by Saitama University, Japan & Peradeniya University and conducted at Peradeniya, Sri Lanka, September 2008.
• Kasun De Silva, Harsha Ratnasooriya and Saman Samarawickrama , Assessment of Exposure of Sri Lanka to Tsunami Hazards, International Exchange Symposium on Sustainable Infrastructure Development in Asia, Organized by Saitama University, Japan & Peradeniya University and conducted at Peradeniya, Sri Lanka, September 2008.
• Samarawickrama, SP ., Hettiarachchi, SSL. and Ratnasooriya AHR., Tsunami Inundation Modelling and Risk Assesment: City of Galle, Sri Lanka, 31 st International Conference on Coastal Engineering organized by the coastal engineering research council (CERC) of the American society of civil engineers (ASCE), Hamberg, Germany, August-September 2008.
• Hettiarachchi, SSL and Samarawickrama, SP, Strategic approach towards in developing counter measures for post tsunami conservation of the Sri Lankan coastline, International Disaster and Risk Conference, IDRC Davos, Switzerland, 25 th -29 th August, 2008.
• Hettiarachchi, SSL and Samarawickrama, SP, Tsunami Risk Assessment for the Port City of Galle, Sri Lanka, International Disaster and Risk Conference, IDRC Davos, Switzerland, 25 th -29 th August, 2008.
• Samarawickrama, SP ., Hettiarachchi, SSL. and Ratnasooriya AHR., Strategic approach towards tsunami hazard and risk assessment and rehabilitation of the Sri Lankan coastline, conference on “A Dynamic Approach to Mitigation of Natural Disasters", University of Calgary, April 2008.
• Samarawickrama, SP., Hettiarachchi, SSL., Jayaweera, M., Wickramaratne, S. and O'Brian, D., Modelling the changes in Water Quality due to the Colombo South Harbour , “Engineering the Coastal Environment", Proceeding of the Seventh International Conference on Coastal and Port Engineering in Developing Countries, 23 rd to 28 th February 2008, Dubai.
• Samarawickrama , SP, Balasubramanian, S., Fernando , HJS and Hettiarachchi, SSL., Investigating the hydraulic performance of coral reefs by simulated porous structures “Engineering the Coastal Environment", Proceeding of the Seventh International Conference on Coastal and Port Engineering in Developing Countries, 23 rd to 28 th February 2008, Dubai
• Samarawickrama, SP., Hettiarachchi, SSL. and Wijeratne, TMN., Tsunami Risk Assessment for Port City of Galle, Sri Lanka, “Engineering the Coastal Environment", Proceeding of the Seventh International Conference on Coastal and Port Engineering in Developing Countries, 23 rd to 28 th February 2008, Dubai.
• Raveenthiran, K., Rasmy, M. and Samarawickrama, SP., Hydrodynamic and Sediment Transport Modelling for the Detail Design of Hambantota Sea Port, “Engineering the Coastal Environment", Proceeding of the Seventh International Conference on Coastal and Port Engineering in Developing Countries, 23 rd to 28 th February 2008, Dubai.
• Wickramaratne, S., Hettiarachchi, SSL, Raveenthiran, K., O'Brian, D. and Samarawickrama, SP., Current and Sedimentation Modelling for Colombo South Port Development, “Engineering the Coastal Environment", Proceeding of the Seventh International Conference on Coastal and Port Engineering in Developing Countries, 23 rd to 28 th February 2008, Dubai.
• Samarawickrama, SP., Gunawardena, J., Hettiarachchi, SSL., Mendis, M. and Raveenthiran, K., Sethusamudram Ship Channel Project : Changes in hydrodynamics and sediment transport regime in the vicinity of the Adam's bridge, “Engineering the Coastal Environment", Proceeding of the Seventh International Conference on Coastal and Port Engineering in Developing Countries, 23 rd to 28 th February 2008, Dubai.
• Ratnasooriya AHR., Bandara, RPSS. and Samarawickrama, SP., Tsunami impact mitigation by coastal vegetation in Sri Lanka, “Engineering the Coastal Environment", Proceeding of the Seventh International Conference on Coastal and Port Engineering in Developing ountries, 23 rd to 28 th February 2008, Dubai.
• Hettiarachchi, SSL., Amaraweera, R., Fernando, KPM. and Samarawickrama, SP., Investigations of Wave Reflection and Transmission through Gabion Structures, “Engineering the Coastal Environment", Proceeding of the Seventh International Conference on Coastal and Port Engineering in Developing Countries, 23 rd to 28 th February 2008, Dubai.
• Ratnasooriya AHR., Bandara, RPSS. and Samarawickrama, SP ., Flow through Coastal Vegetation and Tsunami Impact Mitigation, Development of Sustainable Infrastructure in Asia, Proceedings of the International Collaborative Graduate Programme between Saitama University, Japan and University of Moratuwa, Sri Lanka, February 2008.
• Fernando, HJS, Samarawickrama SP , Balasubramanian, S , Hettiarachchi SSL and Voropayev, S., Effects of Porous Barriers such as Coral Reefs on Coastal Wave Propagation, Journal of Hydro Environmental Research, Ref: JHER-D-07-00055R1, December 2007.
• Samarawickrama, SP ., Gunawardena, J. and Hettiarachchi, SSL., Hydrodynamics, Sediment Transport and Partical Analysis Modelling of the Sethusamudram Ship Channel Project, Proceedings of the 13 th Annual Symposium, October 2007, Engineering Research Unit, University of Moratuwa, Sri Lanka.
• Samarawickrama, SP. , Hettiarachchi, SSL and Ratnasooriya, AHR., Tsunami Inundation Modelling and Risk Assessment: Case Study Galle, Proceedings of the 13 th Annual Symposium, October 2007, Engineering Research Unit, University of Moratuwa, Sri Lanka.
• Samarawickrama, SP. , Ratnasooriya, AHR., Hettiarachchi, SSL., Lawrence, MKD and Ajith Kumara, GG., Tsunami Hazards: Public Awareness and Response, Proceedings of the 13 th Annual Symposium, October 2007, Engineering Research Unit, University of Moratuwa, Sri Lanka.
• Ratnasooriya, AHR., Samarawickrama, SP. , Hettiarachchi, SSL and Bandara, RPSS., Resistance to Tsunami Inundation by Coastal Vegetation: An Experimental Study, Proceedings of the 13 th Annual Symposium, October 2007, Engineering Research Unit, University of Moratuwa, Sri Lanka.
• Welhena, T., Hettiarachchi, SSL., and Samarawickrama, SP., Damage Mechanism of Hikkaduwa due to December 2004, Indian Ocean Tsunami, Proceedings of the 13 th Annual Symposium, October 2007, Engineering Research Unit, University of Moratuwa, Sri Lanka.
• Ratnasooriya , AHR., Samarawickrama, SP and Imamura, F., Post Tsunami Recovery Process in Sri Lanka, Journal of Natural Disaster Science, Research Centre for Disaster Reduction Systems, Japan.2007.
• Tajima, Y., Kudo, H., Sato, S., Welhena, T., Siriwardena, C. and Samarawickrama SP ., Spatial Distribution of Sand Deposits Transported by the December 2004 Indian Ocean Tsunami, Proceedings of the Asian Pacific Coasts 2007, September 21-24, 2007, China.
• Hettiarachchi, SSL and Samarawickrama, SP ., Strategic approach towards post tsunami rehabilitation and conservation of the Sri Lankan coastline, “Proceeding of the International Conference on Coastal Management", October 2007, Cardiff, UK.
• Hettiarachchi, SSL and Samarawickrama, SP., Planning and Implementation of Coastal Management in Sri Lanka, Civil Engineering Innovations, Journal of the Institution of Civil Engineers, Vol 1, Issue 1, March 2007.
• Samarawickrama, SP, Fernando, HJS and Hettiarachchi, SSL , Investigating the performance of natural barriers against wave attack - simulation of coral reefs, Proceeding of the International Conference on Mitigation of the Risk of Natural Hazards, March 2007, University of Peradeniya.
• Ratnayake, NP., Abeysinghe, AMKB., Premasiri, HMR and Samarawickrama, SP., Tsunami Numerical Modelling for Sri Lankan Coastal Region, Proceeding of the International Conference on Mitigation of the Risk of Natural Hazards, March 2007, University of Peradeniya.
• Samarawickrama, SP., Hettiarachchi, SSL., Ratnasooriya, AHR, Welhena, T and Fernando, HJS, Strategic Approach and Investigations on Mitigatory Measures, Third International Workshop on Coastal Disaster Prevention and Tsunami Hazard Map Seminar organized by the Port and Airport Research Institute, Japan, University of Moratuwa, National Science Foundation and Disaster Management Center, Sri Lanka, Colombo, Sri Lanka, February 2007.
• Hettiarachchi, SSL and Samarawickrama, SP., Development of the Indian Ocean Tsunami Warning System, The Third International Workshop on Coastal Disaster Prevention, Tsunami and Storm Surge Mitigation, Organized by UOM, PARI and CDIT, February , 2007.
• Samarawickrama, SP. , Gunawardena, J., Hettiarachchi, SSL and Mendis, M., Coastal Engineering Impacts of the Sethusamudrum Ship Canal Project, Journal of the National Science Foundation of Sri Lanka, 34: 169-175 (2006).
• Fernando, HJS., Samarawickrama, SP ., Balasubramanian, S. and Hettiarachchi, SSL., Effects of Porous Barriers on Coastal Wave Propagation, 59 th Annul Meeting of the American Physical Society, Division of Fluid Dynamics, 19-21 November, 2006, Tampa Bay, Florida, Volume 51, No. 9.
• The Tsunami Hazard in Sri Lanka: Strategic Approach for the protection of lives, ecosystems and infrastructure, Journal of the National Science Foundation of Sri Lanka, 34: 7-14 (2006).
• Fernando, HJS., McCulley, JL., Samarawickrama, SP ., and Hettiarachchi, SSL., Coral Observations Following the Sumatra Tsunami in Sri Lanka, 2006 Ocean Sciences Meeting, 20-24 February 2006, Honolulu, Hawaii.
• Hettiarachchi, SSL and Samarawickrama, SP., The Tsunami Hazard in Sri Lanka Strategic Approach for the protection of lives, ecosystems and infrastructure, Coastal Engineering Journal, Special Issue, “Indian Ocean Tsunami", JSCE, 2006.
• Samarawickrama, SP ., Fernando, HJS and Hettiarachchi, SSL., Indian Ocean Tsunami on the Sri Lankan Coast, Near Shore Processes and the Impact of Coral Removal, The Second International Workshop on Coastal Disaster Prevention, Tsunami and Storm Surge Mitigation, Organized by PARI, CDIT, JS-PIANC and ACECC, Tokyo, Japan , 2006.
• Yamamoto, Y., Takanshi, H., Hettiarachchi, SSL and Samarawickrama, SP ., Verification of the destruction mechanism of structures in Sri Lanka and Thailand due to the Indian Ocean Tsunami, Coastal Engineering Journal, Society of Civil Engineers, Japan, 2005.
• Hettiarachchi, SSL and Samarawickrama, SP ., Experience on the Indian Ocean Tsunami on the Sri Lankan coast, International Symposium, Disaster Reduction on Coasts, Scientific Sustainable Holistic Accessible, 14-16 November 2005, Monash University, Melbourne, Australia.
• Hettiarachchi, SSL and Samarawickrama, SP., Invited Paper: Experience on the Indian Ocean Tsunami on the Sri Lankan coast, Proceedings of the 11 th Annual Symposium, September 2005, Engineering Research Unit, University of Moratuwa, Sri Lanka
• Hettiarachchi, SSL and Samarawickrama, SP ., Invited Paper: Experience on the Indian Ocean Tsunami on the Sri Lankan coast, International Conference on Coastlines, Structures and Breakwaters, Institution of Civil Engineers, UK, 20-22 April 2005.
• Hettiarachchi, SSL and Samarawickrama, SP ., Planning and Implementation of Coastal Management in Sri Lanka, Proceedings of the Institution of Civil Engineers, UK, Maritime Engineering 158, March 2005
• Samarawickrama, SP ., Welhena, T and Hettiarachchi, SSL., Modelling the Potential Impacts of Oil Spills along the South West Coast of Sri Lanka, Proceedings of Institution of Engineers, Sri Lanka, 2004.
• Hettiarachchi, SSL and Samarawickrama, SP., Investigating the Hydraulic Performance of Rubble Mound Berm Breakwaters,v Proceedings of Institution of Engineers, Sri Lanka, 2004 .
• Samarawickrama, SP., Hettiarachchi, SSL., Welhena, T and, Wijeratne, TMN., Oil Spills - Risk Analysis and Modelling the Potential Impacts Along the South-West Coast of Sri Lanka, Proceedings of the 10 th Annual Symposium, August 2004, Engineering Research Unit, University of Moratuwa, Sri Lanka.
• Samarawickrama, SP ., Hettiarachchi, SSL., Fernando, PC and Egodawatta, WPK., Feasibility of Dredging the Entrance Channels of the Negombo Lagoon to Improve the Flow of Water and its Quality, Proceedings of the Tenth Asian Congress of Fluid Mchanics, 17-21 May 2004, Peradeniya, Sri Lanka.
• Samarawickrama, SP and Dissanayake, UAPK., Negombo (Sri Lanka) Estuarine System: Exploratory Steady-State CNP Flux Budget, An Assessment of Nutrient, Sediment and Carbon Fluxes to the Coastal Zone in South Asia and their Relationship to Human Activities, APN, Asia-Pacific Network for Global Change Research, February 2004.
• Hettiarachchi, SSL and Samarawickrama, SP., Interventions for Environmental Management of the Coastal Zone of Sri Lanka, “International Conference on Coastal Management", Brighton, UK, 15-17 October 2003.
• Hettiarachchi, SSL and Samarawickrama, SP., Coastal Zone Management in Sri Lanka in the context of Agenda 21, “Engineering the Coastal Environment", Sixth International Conference on Coastal and Port Engineering in Developing Countries, 15 th to 19 th September 2003, Sri Lanka .
• Hettiarachchi, SSL and Samarawickrama, SP., Towards Improved Environmental Management of the Negombo Lagoon, “Engineering the Coastal Environment", Sixth International Conference on Coastal and Port Engineering in Developing Countries, 15 th to 19 th September 2003, Sri Lanka .
• Hettiarachchi, SSL., Mirihagalle, PD and Samarawickrama, SP., Investigations of Wave Reflection from and Transmission through Rubble Mound Breakwaters, “Engineering the Coastal Environment", Sixth International Conference on Coastal and Port Engineering in Developing Countries, 15 th to 19 th September 2003, Sri Lanka .
• Jayaweera, M., Golmen, L., Hettiarachchi, SSL and Samarawickrama, SP., Oil Spill Risk Assessment for Sri Lankan Coastal Waters, “Engineering the Coastal Environment", Sixth International Conference on Coastal and Port Engineering in Developing Countries, 15 th to 19 th September 2003, Sri Lanka .
• Samarawickrama, SP., Fernando, MMGS., Hettiarachchi, SSL and Wijesekara, GN and Welhena, T., Oil Spill Modeling - Case Study - South and South-West Coast of Sri Lanka, “Engineering the Coastal Environment", Sixth International Conference on Coastal and Port Engineering in Developing Countries, 15 th to 19 th September 2003, Sri Lanka .
• Hettiarachchi, SSL. and Samarawickrama, SP., Critical issues relating to the Engineering Management of Coastal Wetlands - Case Study, Proceeding of the International Conference on Conservation of Wetlands: Conflict or Compromise, 17 th and 18 th January, 2003, Colombo, Sri Lanka.
• Malawaraaratchi, RN., Ratnayake, NR and Samarawickrama, SP., Salinity Variation and Pollution of the Negombo Estuary, Proceedings of the 9 th Annual Symposium, August 2003, Engineering Research Unit, University of Moratuwa, Sri Lanka.
• Hettiarachchi, SSL and Samarawickrama, SP., Critical issues relating to the Engineering Management of Coastal Wetlands - Case Study, International Conference on Conservation of Wetlands: Conflict or Compromise, 17 th and 18 th January, 2003, Colombo, Sri Lanka.
• Samarawickrama, SP. and Hettiarachchi, SSL., An Assessment of Nutrient Budgets of Lunawa Lagoon, Sri Lanka, APN/START/LOICZ Regional Workshop on the Assessment of Material Fluxes to Coastal Zone in South Asia and their Impacts, 9-11, December 2002, Negombo, SriLlanka.
• Hettiarachchi, SSL and Samarawickrama, SP., Challenges in Coastal Zone Management in Sri Lanka, International Seminar on “The Engineer in Sustainable Social and Economic Development - Regional Contribution Towards Agenda 21", 96 th Annual Sessions, The Institution of Engineers, Sri Lanka, 19 th and 20 th October, 2002.
• Hettiarachchi, SSL and Samarawickrama, SP., Application of Management Frameworks in Coastal Zone Management, Journal of the Institution of Engineers, Sri Lanka, January 2002.
• Samarawickrama, SP., Alongshore Sediment Transportation, Journal of the Institution of Engineers, Sri Lanka, January 2002.
• De Silva and Samarawickrama, SP., Quality Improvement through an effective Environmental Management System (EMS), 3 rd National Convention on Quality through Quality Management, November 2001.
• Hettiarachchi, SSL and Samarawickrama, SP., Environmental Management of Lagoons for Sustaining Multiple Uses - Case Study Negombo Lagoon, Journal of the Institution of Engineers, Sri Lanka, January 2001.
• Hettiarachchi, SSL and Samarawickrama, SP., Engineering Interventions for Wetland Management - Case Study Negombo Lagoon, APN/SASCOM/LOICZ/IGBP-SL Regional Training Workshop on Biogeochemical Budgeting and Socio-Economic Modelling for Coastal Scientists, 18-22 September, 2000, Mount Lavinia, Sri Lanka.
• Hettiarachchi, SSL and Samarawickrama, SP., Engineering Interventions for Wetland Management - case study Negombo Lagoon and Muthurajawela Marsh, Workshop on effective management for Bio Diversity Conservation (EMBioC) in Sri Lankan Coastal Wetlands: The Muthurajawela Marsh and Negombo/Chillaw Lagoon (MMNCL), 05 th August 2000, The Marsh Muthurajawela, Ja-Ela, Sri Lanka.
• Holmes., P. and Samarawickrama, SP., Numerical Modelling of Sediment Transportation in the Negombo Lagoon, Sri Lanka, Journal of the Institution of Engineers, Sri Lanka, January 1999.
• Holmes., P. and Samarawickrama, SP., Application of Markov Theory & Monte Carlo Simulation to Generate Input Wave Climate in Coastal Morphological Modelling, Pacific Coasts & Ports ‘97, Christchurch, New Zealand, 7-11 September 1997.
• Holmes., P. and Samarawickrama, SP., Tide and Wave-induced changes at a Coastal Lagoon Entrance, Coastal Engineering 97, Computer Modelling of Seas and Coastal Regions, 23-25 June 97, La Coruna, Spain .
• Holmes., P. and Samarawickrama, SP., Numerical Modelling of Tidal Currents in the Negombo Lagoon, Sri Lanka, Journal of Institution of Engineers, Sri Lanka, June 1997.

• Resource Person, National Training Workshop on Disaster Risk Assessment and Management for the Coastal Zone of Sri Lanka, organized by UNDP Regional Centre in Bangkok- Crisis Prevention and Recovery, UNDP Country Office Sri Lanka, The Disaster Management Centre and Working Group on Risk Assessment (WG) of the Intergovernmental Coordination Group (ICG) for the establishment of the Indian Ocean Tsunami Warning System (IOTWS) under the framework of the Intergovernmental Oceanographic Commission (IOC) of UNESCO, Paris and the University of Moratuwa with financial support from Multi-Donor Trust Fund managed by UN-, 21-24, June, 2010.
• Resource Person, Expert Group Meeting on Identifying Impacts of Climate Change on Coastal Resources, organized by SAARC Coastal Zone Management Centre and Coast Conservation Department, 14-15, June, 2010.
• Resource Person, Workshop on Disaster Risk Reduction, organized by Coast Conservation Department, 8-10, April, 2009.
• Resource Person, Workshop on Impacts of Climate Changes on Coastal Processes and Resources, organized by Coast Conservation Department, 23 rd - 24 th March 2009.
• Resource Person, National Disaster Management Course, conducted by Bournemouth University, Disaster Management Centre, January 2009.
• Resource Person, International Exchange Symposium on Sustainable Infrastructure Development in Asia, Organized by Saitama University, Japan & Peradeniya University and conducted at Peradeniya, Sri Lanka, September 2008.
• Resource Person, Workshop on Sea Level Rise and Coastal Zone, organized by Coast Conservation Department, 3 rd July 2008.
• Resource Person, Workshop on Coastal Zone Management for Representative from SAARC countries, organized by SAARC Coastal Zone Management Centre, 10 th June 2008, Negombo, Sri Lanka.
• Resource Person, Developing a knowledge base on Hazards, Vulnerabilities and Capacities for Disaster Risk Reduction, Risk Assessment Work shop organized by the Swiss Agency for Development and Cooperation, Sri Lanka (SDC), the Disaster Management Centre (DMC) and the University of Moratuwa (UoM), April 2008.
• Resource Person and Participant, Conference on “A Dynamic Approach to the Mitigation Natural Disasters" and the 4 th Annual Workshop of the International Institute of Infrastructure Renewal and Reconstruction, Organized by Schulich School of Engineering, Canada, April 2008.
• Resource Person and Participant, Seminar on Assessment of the Tsunami Mitigation Function of Coastal Forests/Trees and Proposal for Appropriate Forest Management Organized by Japan Wildlife Research Centre, Colombo, Sri Lanka, March 05, 2008
• Resource Person, The Fourth International Workshop on Coastal Disaster Prevention, Tsunami and Storm Surge Mitigation, December 2007, Organized by PARI, CDIT, JS-PIANC and ACECC, Tokyo, Japan.
• Resource Person, Regional Workshop on “Science Policy Interactions Towards Enhanced Management of Coastal Systems in South Asia" October 2007, Organized by SAARC Coastal Zone Management Centre in collaboration with LOICZ, Maldives.
• Resource Person, Workshop on Tsunami Disaster Management, October 2007, Organized by PARI and MLIT, Tokyo, Japan.
• Resource Person, UNESCO-IOC Workshop on Guidelines for Indian Ocean Tsunami Risk Assessment, Organized by UNESCO-IOC, October 2007, Dubai.
• Resource Person, Workshop on Disaster Management, Disaster Preparedness, Data Provisions and Applications of GIS, July 2007, Organized by Postgraduate Institute of Science, University of Peradeniya, Sri Lanka.
• Resource Person and the Organizer, Short Course/Training Programme on MIKE 21 Mathematical Modelling for Coast Conservation Department and Ceylon Fishery Harbour Co-operation, University of Moratuwa, July 2007.
• Participant, Certificate Programme in Tsunami Science and Preparedness, University of Washington, Seattle, USA, July 2007.
• Resource Person, Seminar on Remote Sensing and GIS for Coastal Hazard Management, June 2007, Organized by the Geological Society of Sri Lanka.
• Resource Person, The Third International Workshop on Coastal Disaster Prevention, Tsunami and Storm Surge Mitigation, February 2007, Organized by PARI, CDIT, MLIT and UOM, Colombo, Sri Lanka.
• Physical Modelling Studies to understand the impact of coral removal on Tsunami Wave Propagation, Arizona State University, USA, November-December 2006.
• USAID-IOTWS Training on Incident Command System for Disaster Management, 2005/2006 Sri Lanka.
• Keynote Speaker: Tsunami Recovery Efforts: Sharing Knowledge and Experiences, “Coastline Rehabilitation and Protection: Knowledge Based Implementation", 8 th November 2005, Organized by Chulalongkorn University, Thailand and Tokyo Development Learning Center, Japan.
• Resource Person and Participant, Workshop on Tsunami Disaster Prevention, Ministry of Land, Infrastructure and Transport, Japan 15-26 August 2005.
• Physical Modelling Studies to understand the impact of coral removal on Tsunami Wave Propagation, Arizona State University, USA, June-July 2005.
• Resource person and participant of the Regional Workshop on Assessment of Material Fluxes to Coastal Zone in South Asia and their Impacts Organized by APN/START/LOICZ Negombo, Sri Lanka, December 2002.
• 13 th Intensive Training Workshop on Environmental Impact Assessment, organized by Central Environmental Authority (CEA) and Center for Environmental Studies (CES), University of Peradeniya, 17 th -26 th January 2002, Tree Centre, Randenigala.
• Successfully completed the UNIDO - Integrated Industrial Development Support Programme (audit course and the consultant course) for setting up ISO 14001 Environmental Management System, Organized by UNIDO/NORAD/SLSI/ITI, Colombo, Sri Lanka, January 2001.
• Resource person and participant of the Regional Training Workshop on Biogeochemical Budgeting and Socio-Economic Modelling for Coastal Scientists. Organized by APN/SASCOM/LOICZ/IGBP-SL, Colombo, Sri Lanka, September 2000.

• Best Practices in the Coastal Environment, Seventh International Conference on Coastal and Port Engineering in Developing Countries, 24 th to 28 th February 2008.(presented three papers)
• 59 th Annul Meeting of the American Physical Society, Division of Fluid Dynamics, 19-21 November, 2006, Tampa Bay, Florida. (presented a paper)
• The Second International Workshop on Coastal Disaster Prevention, Tsunami and Storm Surge Mitigation, Organized by PARI, CDIT, JS-PIANC and ACECC, Tokyo, Japan, 2006. (presented a paper)
• International Conference on Coastal Management, Brighton, UK, 15-17 October 2003. (presented a paper)
• Engineering the Coastal Environment, Sixth International Conference on Coastal and Port Engineering in Developing Countries, 15 th to 19 th September 2003. (presented two papers)
• International Conference on Conservation of Wetlands: Conflict or Compromise, 17 th and 18 th January, 2003, Colombo, Sri Lanka. (presented a paper)
• Pacific Coasts & Ports ‘97, Christchurch, New Zealand, 7-11 September 1997. (presented a paper)
• Coastal Engineering 97, Computer Modelling of Seas and Coastal Regions, 23-25 June 97, La Coruna, Spain.(presented a paper)

• Member, Technical Collaborative Committee, Artificial Reef Habitat Restoration Project, appointed by the Secretary, Ministry of Environment and Natural Resources, 2008.
• Invited Technical Session Chairman, Seventh International Conference on Coastal and Port Engineering in Developing Countries, 23 rd to 28 th February 2008, Dubai.
• Referee for Engineer Journal of Institution of Engineers Sri Lanka (Referee for number of journal papers).
• External Examiner for three MPhill Degrees, University of Peradeniya.
• Member, National Steering Committee, Mangrove for the Future, appointed by the Secretary, Ministry of Environment and Natural Resources, 2007.
• Project Leader for Regional Research Project including Bangladesh, India, Maldives, Pakistan and Sri Lanka, LOICZ Regional IPO Node for South Asia, National Science Foundation, Sri Lanka, 2007 .
• Member, National Committee on Artificial Reefs, Aggregation Devices and Structures, appointed by the Secretary General, Indian Ocean Marine Affairs Co-operation Secretariat, Sri Lanka, 2007.
• Contributions as a Numerical Modeller and Coastal Engineer to the preparation of Oil Spill Contingency Management Plan for the Marine Pollution Prevention Authority of Sri Lanka, 2002.
• Referee for the Journal of National Aquatic Resource Research and Development Agency, Sri Lanka .
• Appointed by Secretary of Ministry of Foreign Affairs as a Member of the Expert Advisory Group of Sri Lanka on the Sethusamudram Ship Canal Project. Represented Sri Lankan Delegation on the 1 st bi-lateral talks between Sri Lanka and India, January 2005. Represented Sri Lankan Delegation and made the country presentation on Numerical Modelling at the 2 nd bi-lateral talks between Sri Lanka and India, April 2006.
• Member, Technical Committee: Sand Dune Rehabilitation Project, Appointed by Director, Coast Conservation Department, 2006.
• Invited Technical Session Chairman, Second International Workshop on Coastal Disaster Prevention, Tsunami and Storm Surge Mitigation, January 2006, Organized by PARI, CDIT, JS-PIANC and ACECC, Tokyo, Japan.
• Member, Marcom Working Group 53 of the International Navigation Association (PIANC): Recommendations with regard to the design and construction of maritime structures in tsunami prone areas, 2005-2007.
• Member - Panel of resource persons appointed by the Vice Chancellor, University of Ruhuna to formulate recommendations for the recovery of the Town Planning Sector, 2005.
• Member - Panel of Experts on the Effluent Disposal of Tanneries in Bata-atha, Ambalantota, Appointed by Secretary, Ministry of Environment and Natural Resources, 2003.
• Member, Technical Committee: Evaluation of Environmental Impact Assessment Report of the Proposed Harbour Development Project, Galle, Appointed by Director, Coast Conservation Department, 2001.
• Referee for the 10 th Asian Congress of Fluid Mechanics, Faculty of Engineering, University of Peradeniya, Sri Lanka.

• Chairman, Sports Advisory Board of the University of Moratuwa (2004-2010).
• Member, National committee on organizing South Asian Games, 2006- Rowing, Appointed by the National Olympic Committee of Sri Lanka.
• Secretary Alumni Association of the University of Moratuwa (2000-2002).