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Transactions 2020 - Part B 

(c) The Institution of Engineers, Sri Lanka

ISBN 978-624-5810-01-7



Session 01

FEM Based Modelling and Reliability Analysis of Lightning Protection in Anuradhapura Stupas with Installed Lightning Protection Systems

Oshadha Ranaweera, Thilok Edirisinghe, Dulaj Dhananjaya, (Prof.) M.A.R.M Fernando and (Dr.) Waranatha Abeygunasekara

Full Paper 


Automatic Sticker Counting Machine


Full Paper 


Genetic Algorithm based Phase Balancing Technique of Low Voltage Network for Distribution Loss Reduction


Full Paper 


Self-protective, fault sensing, and notification system for low voltage electricity distribution networks in Sri Lanka

Amal Jayashantha and Susinda Perera

Full Paper 


Distributed Control of Renewable Energy Plants together with Existing Generation and Loads - for Efficient and Effective Operations of Power Systems

Ravindran Nagaratnam, Rajan Ratnakumar, Shanmugarajah Vinothine, Sangar Santhanam, Yuvaraj Manchukan and (Prof.) Atputharajah Arulampalam

Full Paper 


Voltage Impact of Roof-top Solar Photo-voltaic Systems on Low Voltage Network and Measures of Mitigation

D.D.K.G. Sandasiri, G.A.I. Mihindukulasuriya, K.P.J.P. Premathilake, K.Ratneswaran, Ruwani P. Wijesinghe , U.G.J.K. Gamlath

Full Paper 


Multi-functional Inverter

Iromi Ranaweera, Damith De Silva, Kalitha Dissanayaka, Nimesha Fernando

Full Paper 


Optimizing unit capacities of future coal power plants in Sri Lanka

(Prof.) W.D.A.S. Wijayapala, A.P.A. Perera

Full Paper 


IoT Based Drip Irrigation Method for Tea Plantation

W.N.S.S. Rajakaruna, C. Vidushraj, N.M. Madanayake, R. Hirshan and (Dr.) S.H.K.K. Gunawickrama

Full Paper 


Design of a Low Cost Automated Printed Circuit Board (PCB) Soldering Machine

W.G.C.A. Sankalpa, P.G.H.T.V. Kumara, K.M.M.G.Y.P. Kumari and P.T.D. Samarasekara

Full Paper 


Smart coconut oil quality analyzer

M.P.U. Isuranga, K.A.S. Chathurya, H.C. Ganege, and D.R.B.K.K Weerasekara

Full Paper 


An Empirical Study of Dispute Resolution in Road Construction Industry in Sri Lanka

K.P.N.S Nimalasena, A. Peramunugamage and R. U. Halwatura

Full Paper 


Causes and Effects of Delays in High Rise Building Projects of Sri Lanka

K.D.C.I.S. Saparamadu & R.P. Kumanayake

Full Paper 


Critical Analysis of Condominium Apartments in the Context of Price Bubbles

A. A. Afthal and (Dr.) P. I. A. Gomes

Full Paper 


Minimising risk of exceeding cost and time in construction projects

(Dr.) Leelanath Daluwatte and (Prof.) Malik Ranasinghe

Full Paper 


Service Level Design of Elevator Operation in Multi-Storey Building           

Tharindu Sehan and (Prof.) Amal Kumarage

Full Paper 


Review of ICTAD Price Indices in Sri Lanka

(Prof.) A A D A J Perera and W N L Fernando

Full Paper 


Developing a guideline for Selection of subcontractors in Sri Lankan Building Construction Industry

K.D. Pallikkonda,  D.M.T.G.N.M. Karunarathna  and (Dr.) C.S.A. Siriwardana

Full Paper 


Impact of The Client’s Role On the Performance of Government Funded Construction Projects

V N Kannangoda Arachchi & (Dr.) Bhadranie Thoradeniya

Full Paper 


Prediction of Wind Induced Response of Tall Buildings Using RANS Simulations

R.G.S.N. Jayathilake and (Dr.) K.K. Wijesundara

Full Paper 


Crack Tip Plastic Behaviour of Wrought Iron

(Dr.) J. Jeyakkamalan, P. Kalaban, C.S. Bandara

Full Paper 


Analysis of shear and degradation behaviour of fresh and fouled rail track ballast using large-scale direct shear tests

Venuja and (Dr.) S. K. Navaratnarajah

Full Paper 


Experimental and Numerical Study on Force – Displacement & Moment – Curvature Behaviour of a Reinforced Concrete Beam

Jenothan, V. Yuvahini, (Dr.) C.S. Bandara and (Dr.) J.A.S.C. Jayasinghe

Full Paper 


Impact of Variation in Fineness Modulus of River Sand in Concrete Properties

V.L. Kuruwita Arachchi, (Dr.) M.A. Pallewatte & (Dr.) D.D.T.K. Kulathunga 

Full Paper 


Design and Construction Challenges of Retrofitting and Adaptive Reuse of Historic Buildings in Galle Fort, Sri Lanka

R.A.S.S. De Silva, (Dr.) S.W. Seneviratne,  (Dr.) J.M.R.S. Appuhamy

Full Paper 


Purification of Rutile in Sri Lankan Beach Sand for the Extraction of TiO2

D. C. Weerasinghe, S. P. Guluwita, (Dr.) L. P. S. Rohitha

Full Paper 


Characterization of used blasting sand

R.M.P.C.Rathnayake, S.P.Guluwita, (Dr.) L.P.S.Rohitha

Full Paper 


Non-Destructive Evaluation of the Corrosion Behaviour of Plain Carbon Steel to Enhance Their Service Life in Construction Work

G.A.A.I. Tennakoon, S.H.G.K. Metthananda, S.A.K.V.M. Piyathilake and V. Sivahar

Full Paper 


Analysis of the effect of fabric parameters on sound related properties of blended fabrics

S. Niroshan, J.W.A. Madushika, S.N. Niles

Full Paper 


Determination of Oil-point Pressure of Sesame Seeds using Oil Yield versus Applied Pressure Model

By: Rajaratnam Shanthini and Kirthi S. Walgama

Full Paper 


Impact of Viscous and Frictional Heat Generations upon the Temperature of Sesame Paste Flow through Screw-expeller      

By: Rajaratnam Shanthini, S. Ashok V. Kumar and S. M. Dilan T. Sandaruwan

Full Paper 



Session 02

Case Study of Streambank Stabilization in the Kelani River Basin at Hanwella, Low level Road in 28th km

Joseph Logeswaran

Full Paper 


Evaluation of the Impact of Geological Conditions on Rock Masses for the Stability of Rock Slopes

M.T.M. Gunathilaka, T.C.D. Fernando and (Dr.) A.M.R.G. Athapaththu

Full Paper 


Cut Slope Mitigation works at Ch 19+000  Extension of Southern Expressway Project

S.H.S. Jayakody, S.A.S. Kulathilaka, P.R.C. Ariyarathne, (Dr.) W.A. Karunawardena

Full Paper 


Deformation Behavior of Soil Cement Column Improved Ground

T.H.M.N Thenuwara and (Dr.) N.H Priyankara

Full Paper 


Correlations for over consolidation ratio for cohesive alluvial deposit at Kaduwela to Hanwella using laboratory tests and piezocone tests

S.H.S. Jayakody and R.M.S. Fernando

Full Paper 


Development of Local Rainfall Thresholds for Landslide Occurrence in Sri Lanka

H T Abeywickrama, (Dr.) N H Priyankara, W D G DT Rajapaksha

Full Paper 


Comparison of Different Philosophies on Design of Geosynthetic Reinforced Piled Embankment(GRPE)

H.D.S Mithila, (Dr.) N.H Priyankara and (Dr.) A.M.N Alagiyawanna

Full Paper 


Determination of Fundamental Characteristics of Unsaturated Residual Soils in Sri Lanka

B.P.S. Harishchandra, (Dr.) N.H. Priyankara

Full Paper 


Examination on Geotechnical Properties of Marine Dredge Sand of Colombo Port City

P.G.G.M. Ranbandara, R.U. Thilakarathne, (Dr.) A.M.R.G. Athapaththu, (Dr.) L.C. Kurukulasooriya, B.P. Gonaduwage

Full Paper 


Incorporation of Geology into Engineering Design for Mitigation of Landslides

I.K.G.A.S. Senanayake, A.R.P. Weerasinghe, G.D.W.N. Galhena, D.M.D.S. Dissanayake and H.M.L. Indrathilake

Full Paper 


Importance of Site Investigation, Geotechnical Engineering Design, Instrumentation, Quality Control and Assurance for Deep Excavation

D.L.W. Padmasiri, M.H.M. Harshani, P.R.C. Ariyarathna, (Dr.) W.A. Karunawardena & (Prof.) U.P. Nawagamuwa

Full Paper             


Do Chemical Reactions Matter in Modelling Near-Field Air Pollution Dispersion? A CFD Study

(Dr.) A. U. Weerasuriya, K. A. B. Weerasinghe, (Prof.) K. T. Tse, (Prof) Chun-Ho Liu

Full Paper 


Water quality and agricultural activities related to CKDu

(Prof.) S. Sadushan, T. Venkadeswaran, G.B.B. Herath

Full Paper 


Solid Waste and micro-plastic Pollution of Canals in Colombo and its suburbs

P. O. Hiranya¹, (Dr.) P. I. A. Gomes²

Full Paper 


Thermal alteration of water treatment plant alum sludge: a systematic study of Biyagama water treatment plant alum sludge

G.A.H.H. Galkanda*, (Prof.) R.U. Halwatura

Full Paper 


Determination of Actual Surface Loading Rate and Hydraulic Retention Time for Sedimentation Process in Water Treatment

H.A. Pitagampola, (Dr.) T.M.W.R.M.B.Samarakoon & R.R.P.N. Rathnayake

Full Paper 


Design approaches in stability and environmental management of solid waste dump site: A case study of development of abandoned Meethotamulla waste fill site into an urban park

S.H.S. Jayakody, W.K.N. Chandrasena, (Prof.) U.P. Nawagamuwa, (Dr.) A.K. Karunarathna, (Dr.) W.A. Karunawardena, H.D.S. Premasiri

Full Paper 


Life Cycle Embodied Carbon Assessment of Roofing Materials

G. N. Anuradha, (Prof.) R.U. Halwatura

Full Paper 


Design of an Onshore Wave Energy Converter Device for Electricity Generation

S.Sangar, T.Thiruvaran, V.Aravinthan, B.Thanatheeban

Full Paper               


Flood Modelling and Disaster Risk Reduction in Small Catchments of Sri Lanka

G.A. Thusitha, (Dr.) N.K. Gunasekara, P.S. Shanaka, P.D.Y. Sandeepa, S. Aboobakur, P.S. Witharana, S.T. Bogoda, K.P. Wijeweera, R.M.T.B. Bandara

Full Paper 


Assessment of Exposure of Sri Lanka to Tsunami Hazards: Case Study in the Western/South-Western Coast

U J W Edirisooriya, E V L Prabath, T M N Wijayaratna,   A H R Ratnasooriya, P K C De Silva

Full Paper 


Personalizing a Low-Cost Weather Forecasting System

Muditha Dantanarayana, (Prof.) Srikantha Herath, (Dr.) H.M.N. Dilum Bandara & (Prof.) W.M.S.B. Weerakoon

Full Paper 


A Review of Trenchless Technology for Sewerage and Stormwater Infrastructure with Special Reference to the Colombo City

(Peof.) A A D A J Perera, G K S P Karunasena, U W V De S Kanakaratne

Full Paper 


Investigation of the Structural Crashworthiness of Three-wheelers

(Dr.) B. S. Jurangpathy, S. D. Rasika Perera           

Full Paper               


A Review of Performance Improvement of Ballasted Tracks by using Rubber Inclusions

G. S. Mayuranga, (Dr.) S. K. Navaratnarajah, (Dr.) C. S. Bandara, and (Dr.) J. A. S. C. Jayasinghe

Full Paper 


Calibrate the VISSIM Micro-simulator for Heterogeneous Sub-Urban Traffic Operations   

By: Mahamani Nirshanthan and Niranga Amarasingha

Full Paper 


Influence of Pedestrian Characteristics, Land Use, Location and Time on Pedestrian Crosswalk Speed

Gayasha S. Samarakoon, T. Sivakumar

Full Paper 




Publicity 2

115th Annual Sessions

The Institution of Engineers, Sri Lanka




Technical papers are invited under the following categories:

1) Engineering Theory/ Research (Academic) oriented technical papers

2) Technical Papers based on Engineering Practice/ Design/ Projects and Techniques. 


The paper should be of value and interest to Engineers and aimed at making a contribution to the advancement of the Profession of Engineering. It must be based on a review of past practice, information of current interest, or probing into new fields of engineering activity. It should be a presentation of thought-provoking study contributing to planning, analysis, design, construction, fabrication, production, management or maintenance of Engineering works. In this context, practical papers are strongly encouraged. Wherever possible, theoretical papers should include a section on practical application or additional research areas to be pursued for effective technology transfer. 


Submission of Papers:

The intention of submitting a paper should be conveyed to the IESL with an abstract of the proposed paper. The abstract, not exceeding 300 words in English, together with details of the author/(s) can be submitted in electronic format at the URL https://easychair.org/conferences/?conf=iesl2021


Schedule of Key Dates

Last date for receipt of abstracts                                 - 01st October 2021

Notification of acceptance                                           - 15th October 2021

Last date for submission of full paper                        - 15th November 2021

Proposed dates for Technical Paper                          - 30th January 2022

presentation at the Annual Sessions  


Formats and Agreement Form       

Format for the  Full Paper

Agreement form


Best Paper Award

Best paper based on the marks given by referees and judges at the presentation will be entitled to the prestigious Prof. E.O.E. Pereira Award.


Mailing Address

All correspondence besides submissions in electronic format through URL https://easychair.org/conferences/?conf=iesl2021 should be addressed to:


Eng.  (Prof.) Jagath Manatunge                              

Editor, Technical Papers for Annual Sessions,          

The Institution of Engineers, Sri Lanka,                      

120/15, Wijerama Mawatha,                                                       

Colombo 7.    


 Tel:  011-2698426 Ext. 232, 207   

 Fax: 011-2699202

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The Institution of Engineers, Sri Lanka will entertain application from suitably qualified persons for the following Posts up to 18th August 2021. (Application closing date has been extended to 18th August 2021) 

  • Post of Executive Secretary/ Chief Executive Officer 
  • Post of Deputy Executive Secretary


All relevant application details can be obtained by clicking on the following links. 

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Candidates meeting the requirements stated in the application details may send their applications along with a CV, documentary evidence to support qualifications and experience and a recent passport size photograph under registered post AND email (This email address is being protected from spambots. You need JavaScript enabled to view it.) with scanned copies of documentary evidence to reach, The President, The Institution of Engineers, Sri Lanka, 120/15, Wijerama Mawatha, Colombo - 07 on or before 18th August 2021.

Applications received after the closing date will not be considered.

The Institution of Engineers, Sri Lanka
120/15, Wijerama Mawatha

27th July 2021



Engineers who wish to follow the CDP route or Mentor route are required to fulfill the following steps. (Clause C, G and J of the PR Rules)

  • · Ensure to select the  Chartered Engineers from the given Link  (Click Here) according to your engineering discipline and  specialized areas
  • · Make sure to collect his/her consent letter and bio data
  • · Confirm your project proposal with his/her signature (CDP Route)
  • · Submit all necessary documents (consent letter, Bio data of the supervisor and the applicant and the project proposal)to IESL for  prior approvals. (before commencing )

Professional Standard Management Committee (PSMC) approved date will be the effective date for the CDP route or Mentor route.