• Ph.D. in Environmental Engineering – Hokkaido University, Japan.
• Postgraduate Diploma in Sustainability Science – Hokkaido University, Japan.
• Master of Engineering (Civil) – Hokkaido University, Japan.

• Bachelor of Science of Engineering (Civil) First Class Honors -University of Peraeniya, Sri Lanka

• Senior Lecturer G-I, Department of Civil and Environmental Engineering, University of Ruhuna (Aug. 2020 to date)
• Senior Lecturer G-II, Department of Civil and Environmental Engineering, University of Ruhuna (Aug. 2014 – July 2020)
• Civil Engineer (Design), Kandy Sewerage project, Kolon Global Corporation, Kiribathkubura, Kandy, Sri Lanka. (Feb. 2014 – July 2014)
• Postgraduate (PhD) student at Laboratory of Aquatic Environmental Protection Engineering, Division of Environmental Engineering, Graduate School of Engineering, Hokkaido University, Japan. (October 2010- September 2013)
• Postgraduate (Master) student at Laboratory of Aquatic Environmental Protection Engineering, Division of Environmental Engineering, Graduate School of Engineering, Hokkaido University, Japan. (October 2008- September 2010)
• Civil Engineer, Road Development Authority (RDA), CE office, Kegalle. Sri Lanka. (Sep. 2006 – Jan. 2008)
• Resident Engineer, State Development and Construction Corporation (SD&CC), Borupana Road, Rathmalana, Sri Lanka. (Apr. 2006 – Sep. 2006)
• Temporary Lecturer, Department of Civil Engineering, Faculty of Engineering, University of Peradeniya, Sri Lanka. (Mar. 2005 – Apr. 2006)
• Undergraduate Engineering Trainee at Kolon Samsung Consortium, Galle, Sri Lanka. (Greater Galle Water Supply Project) (Sep. 2003 – Dec. 2003)
• Undergraduate Engineering Trainee at Sabaragamuwa Provincial Council, Rathnapura, Sri Lanka. (Oct. 2002 – Dec. 2002)

• Japanese Government Scholarship (MEXT Scholarship) for Doctoral studies in Environmental Engineering, Graduate School of Engineering, Hokkaido University, Japan, from Oct. 2010 – Sep. 2013; awarded by Japanese Government.
• Japanese Government Scholarship (MEXT Scholarship) for M.Sc. studies in Field Engineering for Environmental, Graduate School of Engineering, Hokkaido University, Japan, from Oct. 2008 – Sep. 2010; awarded by Japanese Government.

• Members of the International Water Association (IWA)
• Member of Bio Energy Associate of Sri Lanka (BEASL)
• Green Mark Professional (GMP) of Ceylon Institute of Builders, Sri Lanka (CIOB)
• Members of International Association for Bridge Maintenance & Safety – Sri Lanka Group (IABMAS) (IMB88)
• Associate Member of the Institute of Engineers, Sri Lanka (IESL)
• Associate Member of the Society of Structural Engineers, Sri Lanka (SSE)

• Sewerage treatment
• Anaerobic processes
• Waste Materials in Hot Mix Asphalt Concrete
• Environmental impacts, energy efficiency, and GHG emission of wastewater systems
• Improving the energy efficiency of wastewater treatment plants
• Water reclamation technologies
• Application of degassing membrane technology for wastewater treatment process
• Application of membrane technology for water and wastewater purification
• Solid waste management
• Structural engineering
• Construction and design of roads and bridges
• Application on Green Building Technology

• Water and Wastewater Engineering
• Water Reuse and Reclamation
• Construction Processes and Technology
• Highway Engineering Design
• Engineering Survey

• Lab – In-charge: Environmental Engineering Laboratory, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (May. 2022 to Up to date).
• Member of the Technology Transfer Cell, Faculty of Engineering, University of Ruhuna, Sri Lanka (2022).
• Lab – In-charge: Computer Centre, Department, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Feb. 2022 to Up to date).
• Co-Chair of the Civil Engineering (Water Resources and Environmental) track, Organized by IESL Young Members’ Section (YMS) Technical Conference 2021, The Institution of Engineers, Sri Lanka (IESL), (09^th Octomber 2021).
• Member of Journal Committee of DCEE, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka (2021-2022).
• Guest Lecturer: “Accountability in the work place”, Induction Training Program for new Employees- 2021 (Management Assistants and Technicajl Officers), Organized by Staff Development Centre, University of Ruhuna (08^th October 2021).
• Coordinator of logistic committee and Editor, 8^th International Symposium on Advance in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS) 2021, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka (2021).
• Chairperson: Valuation Committee, Valuation of Furniture & office equipment / Property plant & Equipment / Office equipment / Electricity supply equipment / Lab & Teaching Equipment, Faculty of Engineering, University of Ruhuna (2021).
• Lab – In-charge: Surveying and Transportation Laboratory, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Jan. 2021 to Jan. 2022).
• Criterion team member: SER writing of the Programme Review- Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna.
• Committee Member: Promotion interview committee member for supporting staff for office, University of Ruhuna (2020, 2021).
• Committee Member: Promotion interview committee member for Plumber, Electrician, Carpenter, Welder and Machine operator, University of Ruhuna.
• Committee Member: Writing Self Evaluation Report (SER), Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna.
• Guest Lecturer: Development Programme, Engineering Education Center, Faculty of Engineering, University of Ruhuna (2019, 2020)
• Sport Coordinator for Road Race: Sport Advisory Board, University of Ruhuna.
• Member: Institutional Review Chapter 04 Committee, University of Ruhuna.
• Members of Venues Committee: SLUG XII 2019, 13^th Sri Lanka University Games, University of Ruhuna.
• Health and Safety Coordinator, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Jan.2015 – Oct.2017 and July.2020 – Feb 2021).
• Deputy Senior Student Counsellor, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Feb 2019 – Feb 2021).
• Lab – In-charge: Environmental Engineering Laboratory, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Aug. 2019 to Aug. 2020).
• Student counsellor, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Nov 2016 to Feb 2019).
• Coordinator of survey work camp, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (2018, 2021).
• Member of Technical Evaluation Committee (TEC): Sound and Light in Faculty auditorium, Faulty of Engineering, University of Ruhuna.
• Chairperson of Technical Evaluation Committee (TEC): Air Condition in Faulty of Engineering, University of Ruhuna.
• Member of Technical Evaluation Committee (TEC): Wooden Furniture in Faulty of Engineering, University of Ruhuna.
• Member of Technical Evaluation Committee (TEC): Conference Tables, Conference chairs and office cupboards in Faulty of Engineering, University of Ruhuna.
• Chairperson of Technical Evaluation Committee (TEC): Material for bunker bed in Hostel, Faulty of Engineering, University of Ruhuna.
• Chairperson of Technical Evaluation Committee (TEC): Office equipment in Department of Mechanical and Manufacturing Engineering, Faulty of Engineering, University of Ruhuna.
• Member of Technical Evaluation Committee (TEC): Office chairs in Department of Interdisciplinary Studies, Faulty of Engineering, University of Ruhuna.
• Member of Technical Evaluation Committee (TEC): Multimedia Projectors and Screen on Faulty of Engineering, University of Ruhuna.
• Member of Technical Evaluation Commit (TEC): Renovation of Ponds, Computer Lab and Algae Culture Lab in the Department of Botany at the Faculty of Science, University of Ruhuna, Wellamadama, Matara.
• Coordinator of logistic committee, 7^th International Symposium on Advance in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS) 2019, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (2019)
• Coordinator of Three-days training on “Land Surveying and Plotting” conducted by the Department of Civil and Environmental Engineering of the Faculty of Engineering, University of Ruhuna, Sri Lanka. (July 2018)
• Coordinator of logistic committee, 6^th International Symposium on Advance in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS) 2018, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (2018)
• Coordinator and Resource Person of Three-days training: “Land Surveying and Plotting” conducted by the Department of Civil and Environmental Engineering of the Faculty of Engineering, University of Ruhuna, Sri Lanka. (July 2018)
• Member: Progress review on Painting of Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna.
• Moderator of survey work camp, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (2015 to 2017)
• Senior Treasure, Sport Club, Faulty of Engineering, University of Ruhuna. Faculty (Mar 2015 to Apr 2018)
• Coordinator of Comprehensive Design Project (CDP), Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (2017, 2018)
• Member, Technical Evaluation Commit (TEC) – Sound and Light in Faculty auditorium, Faulty of Engineering, University of Ruhuna. Faculty
• Coordinator of logistic committee, Organizing Committee, 5^th International Symposium on Advance in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS) 2017, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (2017)
• Senior Treasure, Civil and Environmental Engineering Society, Faculty of Engineering, University of Ruhuna. (Jan 2016 to Dec 2017)
• Treasure, 14^th Academic Sessions and the 13^th Vice Chancellor’s Award Ceremony of the University of Ruhuna. (2016)
• Faculty Coordinator, Techno 2013 Engineering and Technology Exhibition by IESL Sri Lanka at BMICH Colombo (2013)
• Faculty coordinator for organizing the 13^th Academic Sessions and the 12^th Vice Chancellor’s Award Ceremony of the University of Ruhuna. (2015)
• Member, Organizing Committee, 4^th International Symposium on Advance in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS) 2016, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (2016)
• Secretary of Highway Engineering society student chapter, University of Ruhuna. (2015 to date)
• Member, Organizing Committee, 3^rd International Symposium on Advance in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS) 2015, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (2015)
• Organization committee member, Annual Research Symposium (ARS) 2015, Faculty of Engineering, University of Ruhuna. Sri Lanka. (2015)
• Member of panel Evaluators- 12^th Academic Sessions and the 11^th Vice Chancellor’s Award Ceremony of the University of Ruhuna. (2014)
• President of Sri Lankan Students’ Association Hokkaido, Japan. (SSAHJ). (2012-2013)
• Academic Sub Warden of the New Akbar Hall, University of Peradeniya. Sri Lanka. (2005 and 2006)
• Assistant Secretary of the Civil Engineering Society (CES), Faculty of Engineering. University of Peradeniya. Sri Lanka. (2003)
• Civil Engineering field’s batch representative, Faculty of Engineering University of Peradeniya, Sri Lanka. (2003)
• Organization committee member of Engineering Industrial day, Faculty of Engineering. University of Peradeniya. Sri Lanka. (2003, 2004, and 2005)

• Main food committee member of the Akbar Hall, University of Peradeniya. Sri Lanka. (2001-2005)

Editor of the Buddhist Brotherhood Society, Faculty of Engineering, Peradeniya. Sri Lanka. (2002)

• Health and Safety Coordinator, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (June 2020 – date)

• Lab. – In-charge: Environmental Engineering Laboratory, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Aug. 2019 to Aug. 2020)
• Deputy Senior Student Counsellor, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Feb 2019 to Date)
• Student counsellor, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Nov 2016 to Feb 2019)

• Senior Treasure, Sport Club, Faulty of Engineering, University of Ruhuna. Faculty (Mar 2015 to Apr 2018)
• Health and Safety Coordinator, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka. (Jan.2015 – Oct.2017)
• Senior Treasure, Civil and Environmental Engineering Society, Faculty of Engineering, University of Ruhuna. (Jan 2016 to Dec 2017)

• Treasure, 14th Academic Sessions and the 13th Vice Chancellor’s Award Ceremony of the University of Ruhuna. (2016)
• Faculty coordinator for organizing the 13th Academic Sessions and the 12th Vice Chancellor’s Award Ceremony of the University of Ruhuna. (2015)
• Chief Examiner, G.C.E.(A/L) Examination 2018, Engineering Technology, Board No 1552, Sujatha Balika Vidayalaya, Matara, Sri Lanka. (AL/65/S/CH/10)
• Chief Examiner, G.C.E.(A/L) Examination 2017, Engineering Technology, Board No 1552, Anuradhapura Central collage, Anuradhapura, Sri Lanka. (AL/65/S/CH/05)
• Chief Examiner, G.C.E.(A/L) Examination 2016, Engineering Technology, Board No 1549 and 1550, Anuradhapura Central collage, Anuradhapura, Sri Lanka. (AL/65/S/CH/02 and AL/65/S/CH/03)
• Development of curriculum for the Bachelor’s degree programme of the Faculty of Engineering, University of Jaffna. Sri Lanka. 2015.

Book Chapter :

• Sanjaya, B.G.V., Appuhamy, J.M.R.S., Bandara, W.M.K.R.T.W., Venkatesan, S., Gravina, R.J. (2024). Determining the Precise Physical Properties of Rubber Aggregate Derived from Discarded Tires. In: Dissanayake, R., et al. Proceedings of the 14th International Conference on Sustainable Built Environment. ICSBE 2023. Lecture Notes in Civil Engineering, Vol 517. Springer, Singapore. https://doi.org/10.1007/978-981-97-3737-6_34

Journal:

• B.G.V. Sanjaya, J.M.R.S. Appuhamy, W.M.K.R.T.W. Bandara, S. Venkatesan, R.J. Gravina. (2025) “The potential of recovering design strength of rubberized concrete using aqua-thermally treated crumb rubber at lower replacement ratios”, Construction and Building Materials, Volume 458, pp 139627.DOI: https://doi.org/10.1016/j.conbuildmat.2024.139627
• Wasala M.K.R.T.W. Bandara, Mohomed Shayan, R.M.W.C. Thennakoon, P.A.A. Kumudumali, Hisashi Satoh. (2024) “Introduction of Plug-flow Anaerobic Sludge Blanket (PASB) reactor for wastewater treatment”, Desalination and Water Treatment, Volume 319, pp 100439. DOI: https://doi.org/10.1016/j.dwt.2024.100439
• D.H.A. Maduranga, J.M.R.S. Appuhamy, W.M.K.R.T.W. Bandara, and T.M. Bandula Heva, (2023) “Rubberized Concrete and Strategies for Improving Its Durable Properties – A review”, Journal of Sustainable Civil and Environmental Engineering Practices, Volume 1(1), 34-41. DOI: 10.13140/RG.2.2.35951.44960
• B.G.V. Sanjaya, J.M.R.S. Appuhamy, Wasala M.K.R.T.W. Bandara, S. Venkatesan and R.J. Gravina (2023) “Comprehensive Study on Rubber Particle Size and Replacement Ratio on Fresh and Hardened Properties of Rubberized Concrete: A Review”, ‘Engineer’, Journal of the Institution of Engineers Sri Lanka, Vol.LVI (03), pp 01-14. DOI: 10.4038/engineer.v56i3.7532
• Wasala M.K.R.T.W. Bandara, B.M.L.A. Basnayake, Terrance M. Rengarasu, and N.A. Nusky (2022) “Application of Multi-criteria Decision Analysis in Locating Wastewater Treatment Plants in Sri Lanka”, Journal of the University of Ruhuna, Volume 10 (2), pp 52-61. DOI: 10.4038/jur.v10i2.7993
• Terrence M Rengarasu, S.A.D. Priyankara, Wasala M.K.R.T.W. Bandara, and B Nishanthini Jegatheesan (2022) “Use of Carbonized Rice Husk and Bio-char as Binder Modifiers in Hot Mix Asphalt”, ‘Engineer’, Journal of the Institution of Engineers Sri Lanka, Vol.LV (04), pp 61-70. DOI: 10.4038/engineer.v55i4.7544
• Nishanthini Jegatheesan, T.M. Rengarasu, and Wasala M.K.R.T.W. Bandara (2021) “Modelling the Properties of Modified Hot Mix Asphalt Containing Polyethylene Terephthalate Fibers and Carbonized Wood Particles”, Journal of the Eastern Asia Society for Transportation Studies, Volume 14, 1692-1711. DOI: 10.11175/easts.14.1692
• Nishanthini Jegatheesan, T.M. Rengarasu, and Wasala M.K.R.T.W. Bandara (2020) Mechanical properties of modified hot mix asphalt containing polyethylene terephthalate fibers as binder additive and carbonized wood particles as fine aggregate replacement. Asian Transport Studies, Volume 6, 100029.
• T.M. Rengarasu, Mohamed Juzaafi, Wasala M.K.R.T.W. Bandara, and Nishanthini Jegatheesan (2020) Suitability of coal bottom ash and carbonized rice husk in hot mix asphalt. Asian Transport Studies, Volume 6, Article 100013.
• Hisashi Satoha, Wasala M.K.R.T.W. Bandara, Manabu Sasakawa, Yoshihito Nakahara, Masahiro Takahashi, and Satoshi Okabe (2017) Enhancement of organic matter degradation and methane gas production of anaerobic granular sludge by degasification of dissolved hydrogen gas. Bioresource Technology, Volume 224, pp 768-775.
• Rillagoda G.N.Yasanthi, Terrance M.Rengarasu, W.M.K.R.T.W. Bandara, (2016) Study on the Performance of Waste Materials in Hot Mix Asphalt Concrete. American Scientific Research Journal for Engineering, Technology, and Sciences (ASRJETS), pp 2313-4410.
• Bandara, W. M. K. R. T. W., Ikeda, M., Satoh, H., Sasakawa, M., Nakahara, Y., Takahashi, M., and Okabe, S. (2013) Introduction of a Degassing Membrane Technology into Anaerobic Wastewater Treatment. Water Environment Research, Volume 85(5), pp 387-390.
• Donoso-Bravoa , W.M.K.R.T.W. Bandara, H. Satoh, G. Ruiz-Filippi (2013) Explicit temperature-based model for anaerobic digestion: Application in domestic wastewater treatment in a UASB reactor. Bioresource Technology, Volume 133, pp 437-442.
• Wasala M.K.R.T.W. Bandara, Tomonori Kindaichi, Hisashi Satoh, Manabu Sasakawa, Yoshihito Nakahara, Masahiro Takahashi, and Satoshi Okabe (2012) Anaerobic treatment of municipal wastewater at ambient temperature: Analysis of archaeal community structure and recovery of dissolved methane. Water Research, 46 (17), 5756-5764.
• Wasala M.K.R.T.W. Bandara , Hisashi Satoh , Manabu Sasakawa ,Yoshihito Nakahara b, Masahiro Takahashi , Satoshi Okabea (2011) Removal of residual dissolved methane gas in an upflow anaerobic sludge blanket reactor treating low-strength wastewater at low temperature with degassing membrane. Water Research, 45 (11), 3533-3540.
• Bandara, W. M. K. R. T. W., K.G.N. Nanayakkara, P.Premananth, D.R.I.B. Werellagama. “Removal of residual dissolved methane gas in an upflow anaerobic sludge blanket reactor treating low-strength wastewater at low temperature with degassing membrane”. Annual Research Journal of SLSAJ (ISSN 2186 – 3474), Vol.08, pp. 06-12.

Conference Proceedings:  

• D.C.A. Gammanpila, H.G.C.S. Divyanjalee, G.A.Y.M. Wimalarathne, W.M.K.R.T.W. Bandara, G.G.N. Thushari, and G.G.T. Chaminda, “Wastewater treatment plants as a source of microplastic pollution: A preliminary study from Galle, Southern province, Sri Lanka”. Proceedings of the National Symposium on Agriculture & Life Sciences (NSALS’25), Faculty of Animal Science and Export Agriculture, Uva Wellassa University of Sri Lanka. pp : January 2025.
• W.P.D. Chamika, K.M.P.N. Chandrasekara, G.G.T. Chaminda, W.M.K.R.T.W. Bandara,M.N.M. Shayan, and H. Satoh, “Simple and high throughput approach to enumerate Escherichia coli in water by measuring β-D Glucuronidase (GUS) activities via microplate reader”. Proceedings of the National Symposium on Agriculture & Life Sciences (NSALS’25), Faculty of Animal Science and Export Agriculture, Uva Wellassa University of Sri Lanka. pp : January 2025.
• T.C. Wathugedarage, H.G.C.S. Divyanjalee, G.A.Y.M. Wimalarathne, W.M.K.R.T.W. Bandara, G.G.N. Thushari, and G.G.T. Chaminda, “Urban road dust pollution: A preliminary study from Galle, Southern province, Sri Lanka”. Proceedings of the National Symposium on Agriculture & Life Sciences (NSALS’25), Faculty of Animal Science and Export Agriculture, Uva Wellassa University of Sri Lanka. pp 55-56: January 2025.
• S. Saseevarajan, Mohomed Shayan, W.M.K.R.T.W. Bandara, G.G. Chaminda Tushara, and Hisashi Satoh, “Environmental influences on microbial dynamics in urban waters of  Southern Sri Lanka”. Proceedings of the 14^th International Symposium on Southeast Asian Water Environment (SEAWE-14), Kuala Lumpur, Malaysia. pp : December 2024
• Chamika W.P.D., G.G. Tushara Chaminda, W.M.K.R.T.W. Bandara, Hisashi Satoh, and Mohomad Shayan, “Simple and High Throughput Approach to Enumerate Escherichia Coli in River Water and treated Water by measuring β-D Glucuronidase (GUS) Activities via Microplate Reader”. Proceedings of the 13th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 141-142: November 2024.
• Senavirathna I.A.C.S., G.G. Tushara Chaminda, W.M.K.R.T.W. Bandara, Hisashi Satoh, and Mohomad Shayan, “Quantification of Antibiotic-Resistance Genes (ARGs) in Urban Waters of Sri Lanka”. Proceedings of the 13th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 139-140: November 2024.
• W.S.C. Wanniarachchi, W.M.K.R.T.W. Bandara, G.G.T. Chaminda, B.M.L.A. Basnayake, T.M. Rengarasu, and G.G.N. Thushari, “Microplastic Pollution in Urban Road Dust along a Selected Street from Galle, Southern Province, Sri Lanka”. Proceedings of the 13th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 115-116: November 2024.
• Sathsarani S.A.K, W.M.K.R.T.W. Bandara, G.G. Tushara Chaminda, Hisashi Satoh, and Mohommed Shayan, “Microbial Community Assessment and Effectiveness of Water Quality Improvement in Wastewater Treatment Ponds”. Proceedings of the 13th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 113-114: November 2024.
• K.M.P.N. Chandrasekara, W.M.K.R.T.W. Bandara, G.G. Tushara Chaminda, Hisashi Satoh, and Mohommed Shayan, “Simple and Reliable Method to Enumerate Escherichia Coli in Wastewater Samples by Measuring β-D Glucuronidase Activities via Microplate Reader”. Proceedings of the 13th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 111-112: November 2024.
• U.K.D.T.P. Wijithalal, D.H.A. Maduranga, W.M.K.R.T.W. Bandara, and J.M.R.S. Appuhamy, “Assessing the Environmental Impact of Utilizing Recycled Tire Rubber (RTR) in Construction: A Focus on Water Bodies”. Proceedings of the 13^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 109-110: November 2024.
• D.M.G.K.P. Dasanayake, W.M.K.R.T.W. Bandara, B.M.L.A. Basnayake, and T.M. Rengarasu, “Pollutant Concentration in Urban Road Dust”. Proceedings of the 13^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 107-108: November 2024.
• D.B.N.H. Dewapriya, W.M.K.R.T.W. Bandara, and B.M.L.A. Basnayake, “Modelling and Optimization of Wastewater Treatment Processes”. Proceedings of the 13^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 105-106: November 2024.
• W.M.C.V.K. Weerasekara, Rengarasu T.M., and W.M.K.R.T.W. Bandara, “Evaluation of Wastewater Recovered Rubber Sludge Mixed Hot Mix Asphalt”. Proceedings of the 13^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 85-86: November 2024.
• Ranaweera H.P., Rengarasu T.M., and W.M.K.R.T.W. Bandara, “Implementation of Data-Driven Policies to Reduce the impact of Traffic Congestion: Case Study On Old Kandy- Colombo Road”. Proceedings of the 13^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 83-84: November 2024.
• Wathugedarage, T. C., Bandara, W. M. K. R. T. W., Thushari G. G. N., Chaminda, G. G. T., “Prevalence of microplastics in Urban Road dust: A case study from Galle, Southern Province, Sri Lanka”. International hybrid conference on Aquaculture Sustainability (AquaSustain 2024). Bangkok, Thailand: Pp 110-111: July 2024.
• D.G.U. Imalsha, G.G.T. Chaminda, W.M.K.R.T.W. Bandara, Hisashi Satoh, and M.N.M. Shayan, “A Reliable and Simple Approach to Enumerate Escherichia Coli in Urban Water by Measuring β-D- Glucuronidase (GUS) Activity via A Microplate Reader”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 133-134: October 2023.
• S. Saseevarajan, G.G.T. Chaminda, W.M.K.R.T.W. Bandara, Hisashi Satoh, and M.N.M. Shayan, “Quantification of Antibiotic-Resistance Genes (ARGs) In Urban Waters of Sri Lanka”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 135-136: October 2023.
• R. Kethuja, W.M.K.R.T.W. Bandara, B.M.L.A. Basnayake, and T.M. Rengarasu, “Stormwater Quality on Road Runoff”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 111-112: October 2023.
• G.M.R. Piyumali, W.M.K.R.T.W. Bandara, and B.M.L.A. Basnayake, “Water Quality Management in Pihimbiyagollewa Cascade System, North Central Province, Sri Lanka”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 109-110: October 2023.
• K.M.K.T. Lakmal, W.M.K.R.T.W. Bandara, G.G.T. Chaminda, M.N.M. Shayan, and H. Satoh, “Synchrony of Bacterial Community Composition and Structure in Chlorinated Effluents to Urban Rivers”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 107-108: October 2023.
• H.A.M. Randula, W.M.K.R.T.W. Bandara, G.G.T. Chaminda, M.N.M. Shayan, and H. Satoh, “A Simple and Reliable Approach to Enumerate Escherichia Coli Concentrations in Wastewater Samples by Measuring β-D- Glucuronidase (GUS) Activities via A Microplate Reader”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 105-106: October 2023.
• K.S. Pabasara, W.M.K.R.T.W. Bandara, and B.M.L.A. Basnayake, “Assessment of Water Quality Variation of Monitoring Stations of Udawalawa Reservoir Using Exploratory Factor Analysis”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 103-104: October 2023.
• N.M.G. Nahalwathura, W.M.K.R.T.W. Bandara, and B.M.L.A. Basnayake, “Analysis of the Water Quality Status of the Chandrikawewa”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 101-102: October 2023.
• R.M.I. Dhananjaya, T.M. Rengarasu, W.M.K.R.T.W. Bandara, and Chamara Gunathilika, “Evaluation of Industrial Rubber Waste Mixed Hot Mix Asphalt (HMA)”. Proceedings of the 12^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 67-68: October 2023.
• B.G.V. Sanjaya, A.N.H.Mohamed, J.M.R.S.Appuhamy, W.M.K.R.T.W.Bandara, S. Venkatesan, and R.J. Gravina, “Experimental Investigation to Evaluate the Mechanical Behaviour of Concrete Containing Waste Tire Steel Fibres”, In Abstracts of the 20^th Academic Sessions and 19^th Vice Chancellor’s Awards, University of Ruhuna: PP 89: June 2023.
• Maduranga D.H.A., Appuhamy J.M.R.S., Bandara W.M.K.R.T.W., and Bandula Heva T.M., “Acid Resistance and Sulphur Resistance of Rubberized Concrete- A Review”, In Abstracts of the 20^th Academic Sessions and 19^th Vice Chancellor’s Awards, University of Ruhuna: PP 101: June 2023.
• T.D. Hettiarchchi, W.M.K.R.T.W. Bandara, B.M.L. A. Basnayake, I.R. Gamage, D.M.B.T.B. Dissanayake, “Modelling wastewater treatment process of Kurunegala wastewater treatment plant using ASM 2”. Proceedings of the 10^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 133-134: December 2021.
• H.M.L.T. Bandara, W.M.K.R.T.W. Bandara, B.M.L. A. Basnayake, I.R. Gamage, D.M.B.T.B. Dissanayake, “Modelling wastewater treatment process of Kurunegala wastewater treatment plant using ASM 3”. Proceedings of the 10^th Undergraduate research symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 131-132: December 2021.
• A.M.D.D. Alagiyawanna, W.M.K.R.T.W. Bandara, and B.M.L.A. Basnayake, “Application of GPS-X Software for modeling of Up-flow Anaerobic Sludge Blanket (UASB) reactor in wastewater treatment”. Proceedings of the 10^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 129-130: December 2021.
• E.N.A. Shyamalee, G.T.T. Chaminda, W.M.K.R.T.W. Bandara, and Hisashi Satoh, “A Simple Analytical Method for Measurement of Escherichia Coli (E.Coli) in Water Treatment Train”. Proceedings of the 9^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 117-118: September 2020
• R.M.W.C. Thennakoon and W.M.K.R.T.W Bandara, “Introduce a new reactor for leachate treatment under ambient temperature”. Proceedings of the 9^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 143-144: September 2020.
• I.M.V.U. Illangakoon and W.M.K.R.T.W Bandara, “Treatment of palm oil mill effluent (POME) by using electrocoagulation method”. Proceedings of the 9^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 141-142: September 2020. (With Best oral presentation award)
• K.A.S.S. Gimhani, W.M.K.R.T.W Bandara, Tushara Chaminda, and Hisashi Satoh “A Simple analytical method for measurement of Escherichia coli (E-Coli) bacteria in Wastewater and Receiving Waters”. Proceedings of the 9^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 145-146: September 2020.
• Mohamed Juzaafi, T.M.Rengarasu, Wasala. M.K.R.T.W. Bandara, Nishanthini Jegatheesan, “Carbonized rice husk particles as bitumen modifier in hot mix asphalt”. Proceeding of the 7^th  International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS – 2019), Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 189-195: October 2019.
• Mehalathan .S, Jegatheesan .N , Juzaafi .M , Rengarasu . T.M and Bandara W.M.K.R.T.W, “A comparative study of HMA with modified asphalt by polyethylene terephthalate and polypropylene fibers”. Proceeding of the 7^th International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS – 2019), Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 203-210: October 2019
• G.A.I.V. Gurusingha, W.M.K.R.T.W Bandara, and B.M.L.A. Basnayake “Application of neural network for simulation of Upflow Anaerobic Sludge Blanket (UASB) reactor in leachate treatment”. Proceedings of the 8^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 118-119: February 2019.
• H.M.T.D. Bandara, W.M.K.R.T.W Bandara, and B.M.L.A. Basnayake “Application of neural network for simulation of Upflow Anaerobic Sludge Blanket (UASB) reactor in low strength wastewater treatment”. Proceedings of the 8^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 116-117: February 2019.
• G.C.J.W.Kumara, W.M.K.R.T.W Bandara, and J.M.R.S. Appuhamy “Mathematical modelling of Upflow Anaerobic Sludge Blanket (UASB) reactor in leachate treatment”. Proceedings of the 8^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 114-115: February 2019.
• J.A.M.D. Madhushani, W.M.K.R.T.W Bandara, and J.M.R.S. Appuhamy “Mathematical modelling of Upflow Anaerobic Sludge Blanket (UASB) reactor in low strength wastewater treatment”. Proceedings of the 8^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 112-113: February 2019.
• N.A.S. Nimanthika and W.M.K.R.T.W Bandara, “Treatment of Palm Oil Mill Effluent (POME) by using sustainable treatment method”. Proceedings of the 8^th Undergraduate research symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 110-111: February 2019.
• P.H.G.A.D. De Silva and W.M.K.R.T.W Bandara, “Application of a hybrid reactor for leachate treatment under ambient temperature”. Proceedings of the 7^th Undergraduate research symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 85-86: January 2018.
• P.A.A.Kumudumali and W.M.K.R.T.W Bandara, “Introducing a new reactor for low strength synthetic wastewater treatment”. Proceedings of the 7^th Undergraduate research symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 83-84: January 2018.
• N.A. Nusky, S.I.S. Wijesingha, W.M.K.R.T.W. Bandara, B.M.L.A. Basnayake and Terrance M. Rengarasu “GIS Based Site Suitability Analysis for Wastewater Treatment Plant”. Proceedings of Annual Sessions of IESL 2017 at The Institution of Engineers, Sri Lanka, 120/15, Wijerama Mawatha, Colombo 07, Sri Lanka, pp 493 – 498, October 2017.
• U.L.N.C. Jayathileke and W. M. K. R. T. W. Bandara “Feasibility of UASB reactor for removal of Heavy Metal in wastewater”. Proceedings of Annual Sessions of IESL 2017 at The Institution of Engineers, Sri Lanka, 120/15, Wijerama Mawatha, Colombo 07, Sri Lanka, pp 485 – 491, October 2017.
• G.S. Nallaperuma and W. M. K. R. T. W. Bandara “Feasibility of Hybrid Reactor for Removal of Heavy Metal in Wastewater”. Proceedings of Annual Sessions of IESL 2017 at The Institution of Engineers, Sri Lanka, 120/15, Wijerama Mawatha, Colombo 07, Sri Lanka, pp 475 – 483, October 2017.
• W.M.K.R.T.W. Bandara, B.M.L.A. Basnayake, W.A.T.M. Jayarathna, H.M.L.P. Senevirathna, T.B. Edirisooriya, R.A.K.L. Rajapaksha, A.M.V. Gunarathna, M.M.C.M.Mawela, W.A.D.T.Ariyarathn, “Effect of Grade 5 Scholarship Exam and/or G.C.E. (O/L) Exam for State University Entrance in Sri Lanka’, In Abstracts of the 14th Academic Sessions and 13th Vice Chancellor’s Awards, University of Ruhuna: PP 57: March 2017.
• U.L.N.C. Jayathileke, W.M.K.R.T.W Bandara and G.G.T. Chaminda, “Feasibility of UASB reactor for removal of heavy metal in wastewater”. Proceedings of the 6^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 117-118: January 2017.
• G.S. Nallaperuma, W.M.K.R.T.W Bandara and G.G.T. Chaminda, “Feasibility of Hybrid Reactor for removal of heavy metal in wastewater”. Proceedings of the 6^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 115-116: January 2017.
• N.A. Nusky, W.M.K.R.T.W. Bandara, B.M.L.A. Basnayake, and Terrance M. Rengarasu, “GIS based suitability analysis for municipal wastewater treatment plant: A case study for Unawatuna area”. Proceedings of the 6^th Undergraduate research symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 113-114: January 2017.
• S.I.S. Wijesingha, W.M.K.R.T.W. Bandara, B.M.L.A. Basnayake, and Terrance M. Rengarasu, “GIS based suitability analysis for municipal wastewater treatment plant: A case study for Puttalam urban council”. Proceedings of the 6^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 111-112: January 2017.
• M. K. C. Rodrigo, B. M. L. A. Basnayake, and W. M. K. R. T. W. Bandara, “Flood frequency analysis under changing environment”. Proceedings of the 6th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 105-106: January 2017.
• N.A. S. S. Nishshanka, B. M. L. A. Basnayake, and W. M. K. R. T. W. Bandara, “Hydrological impact assessment of land use changes on runoff in the upper nilwala basin using hydrological modelling”. Proceedings of the 6th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 103-104: January 2017.
• Thampirasa K., Rengarasu T.M., and Bandara W.M.K.R.T.W., “Modelling Noise Pollution Levels Along Expressway in Rural Southern Sri Lanka” Proceedings of the 6th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 67-68: January 2017.
• B.N.D.A. Pamod, Terrence M. Rengarasu., and W.M.K.R.T.W.Bandara, “Development of a GIS based traffic accident analysis system”. Proceedings of the 6^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 63-64: January 2017.
• M.H. Muhammed, Terrence M. Rengarasu., and W.M.K.R.T.W.Bandara, “Investigation into the suitability of waste material in Hot Mix Asphalt Concrete”. Proceedings of the 6^th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 59-60: January 2017.
• R.G.N. Yasanthi, T.M. Rengarasu, N. Jegatheesan, and W. M. K. R. T. W. Bandara, “Effects of Temperature Variation on Hot Mix Asphalt Concrete with Saw Dust Ash Used as Aggregates”. Proceedings of the 5th International Symposium on Advances in Civil and Environmental Engineering Practises for Sustainable Development (ACEPS-2017), Faculty of Engineering University of Ruhuna, Galle, Sri Lanka: pp 244-251: March 2017.
• H. A. M. Fonseka, P. J. Senewirathna, and W. M. K. R. T. W. Bandara “Performance of an UASB Reactor for Leachate Treatment under Ambient Temperature”. Proceedings of Annual Sessions of IESL 2016 at The Institution of Engineers, Sri Lanka, 120/15, Wijerama Mawatha, Colombo 07, Sri Lanka, pp 281-284, October 2016.
• R. M. S. M. Rathnayaka, H. D. D. B. Dayarathne, and W. M. K. R. T. W. Bandara “Minimization of Sludge Production in Low-Strength Wastewater Treatment using Hybrid System”. Proceedings of Annual Sessions of IESL 2016 at The Institution of Engineers, Sri Lanka, 120/15, Wijerama Mawatha, Colombo 07, Sri Lanka, pp 319 -324, October 2016.
• Rillagoda G.N.Yasanthi, Terrance M.Rengarasu, and W.M.K.R.T.W.Bandara, “Variation of Marshall Properties of Hot Mix Asphalt Concrete with Waste Materials”. Proceeding of 3rd International conference on Innovative Engineering Technologies 2016 (ICIET’2016), Bangkok (Thailand), pp75-81: August 2016.
• H. A. M. Fonseka, P. J. Senewirathna, W. M. K. R. T. W. Bandara and Champika Ellawala, “Performance of an UASB reactor for leachate treatment”. Proceedings of the third Annual Research Symposium 2016 (ARS 2016), Faculty of Engineering University of Ruhuna, Galle, Sri Lanka: pp 03: January 2016.
• R.G.N. Yasanthi, G.A.C. Mahesh, T.M. Rengarasu and W. M. K. R. T. W. Bandara, “Investigation of Suitability of Waste Materials as Aggregates in Asphalt Concrete”. Proceedings of the third Annual Research Symposium 2016 (ARS 2016), Faculty of Engineering University of Ruhuna, Galle, Sri Lanka: pp 07: January 2016.
• R.G.N. Yasanthi, G.A.C. Mahesh, T.M. Rengarasu and W. M. K. R. T. W. Bandara, “Investigation of Suitability of Waste Materials as Aggregates in Asphalt Concrete”. Proceedings of the 5th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 37-38: January 2016.
• H. A. M. Fonseka, P. J. Senewirathna, W. M. K. R. T. W. Bandara and Champika Ellawala, “Performance of an UASB reactor for leachate treatment under ambient temperature”. Proceedings of the 5th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 77-78: January 2016.
• R. M. S. M. Rathnayaka, H. D. D. B. Dayarathne, W. M. K. R. T. W. Bandara and Champika Ellawala, “Minimization of Sludge Production in Sewage Treatment”. Proceedings of the 5th Undergraduate Research Symposium on Recent Advances in Civil Engineering, Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. Galle. Sri Lanka: pp 79-80: January 2016.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash.” Stability of UASB reactor performance during overloaded conditions by degasification”. Proceedings of the Water and Environment Technology Conference 2013 (WET 2013) of Japan Society on Water Environment (JSWE) 2013, Koganei campus, Tokyo University of Agriculture & Technology, Tokyo, Japan: pp 2: June 2013.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash.” Enhancement of the stability of a UASB reactor by degasification under shock loading condition”. Proceedings of the Water and Environment Technology Conference 2012 (WET 2012) of Japan Society on Water Environment (JSWE) 2012, Tokyo University, Japan: pp 1: June 2012.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Ikeda, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash. ” Application of a Degassing Membrane to Recover Dissolved Methane in Effluent of a UASB Reactor Treating Municipal Wastewater under Psychrophilic Conditions”. Proceedings of the The 4th IWA-ASPIRE Conference & Exhibition 2011 of International Water Association (IWA), Tokyo, Japan: USB Driver: October 2011.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Ikeda, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash. ” Recovery of Dissolved Methane Gas Discharged from a UASB Reactor with a Degassing Membrane at low temperature”. Proceedings of the 18th Korea- Japan Symposium on Water Environment 2010, Hiroshima, Japan. pp 104-110: October 2010.
• W. M. K. R. T. W. Bandara, H. Satoh,M. Ikeda, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash. ”Recovery of Dissolved Methane Gas Discharged from a UASB Reactor using Degassing Membrane”. Proceedings of the IWA World Water Congress and Exhibition, Montreal, Canada: September 2010. CD-ROM.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash.”Dissolved Methane Recovery under Psychrophilic Conditions with a Degassing Membrane attached to a UASB Reactor”. Proceedings of the Water and Environment Technology Conference 2010 (WET 2010) of Japan Society on Water Environment (JSWE) 2010, Yokohama National University, Japan: pp 3: June 2010.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash. ” Recovery of Dissolved Methane Gas Discharged from a UASB Reactor with a Degassing Membrane at low temperature and short HRT”. Proceedings of the 44th Annual Conference of Japan Society on Water Environment (JSWE) 2010, Fukuoka, Japan: pp 432: March 2010.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Ikeda, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash. ” Recovery of Dissolved Methane Gas Discharged from a UASB Reactor with a Degassing Membrane”. Proceedings of the Japan Society of Civil Engineers Conference, Gumma, Japan: pp 81-83: November 2009.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Ikeda, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash. Recovery of Dissolved Methane Gas Discharged from a UASB Reactor with a Degassing Membrane (effect of HRT).” Recovery of Dissolved Methane Gas Discharged from a UASB Reactor with a Degassing Membrane”. Proceedings of the 2nd IWA Asia-Pacific Young Water Professional Conference, Beijing, China: November 2009. CD-ROM.
• W. M. K. R. T. W. Bandara, H. Satoh, M. Ikeda, M. Sasakawa, Y. Nakahara, S. Okabe, M. Takahash. ” Recovery of Dissolved Methane Gas Discharged from a UASB Reactor with a Degassing Membrane (Effect of temperature)”. Proceedings of the 18th Korea- Japan Symposium on Water Environment 2009, Daejon, Korea, pp 99-105: October 2009.
• Bandara, W. M. K. R. T. W., K.G.N. Nanayakkara, P.Premananth, D.R.I.B. Werellagama. (2008) “Development of an anaerobic biological filter for domestic use in tropical countries”, Annual Research Journal of SLSAJ (ISSN 2186 – 3474), Vol.08, pp. 06-12.