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Section I

Prefabricated, Low Cost and Ready to Install Water Treatment Unit Operation Modules for The Townships of Sri Lanka

Authors:

S. Sumanaweera ,

National Water Supply and Drainage Board, LK
About S.

Assistant General Manager (Research & Development)

BSc. Eng. (Moratuwa), C. Eng., MIE (Sri Lanka), M.Eng. (AIT)

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G. G. N. Gunawardena

National Water Supply and Drainage Board, LK
About G. G. N.

Assistant General Manager (Operations),

P.G. Dip. (Moratuwa), C. Eng., MIE (Sri Lanka)

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Abstract

There is a rising demand for affordable, easy to build and movable type water treatment unit operation modules mainly due to river intake problems induced by poor environmental management. This is an effort to reintroduce conventional water treatment modules using low cost construction material and prefabrication techniques to construct in lesser time and to move the modules when required to suit the problems of varying nature. Basically three modules tube settler, chlorine contact tank and rapid sand filter are discussed. Construction methodology and material selection are the key features concentrated towards achieving the objectives. These modules have been successfully tested at Pugoda and Mahiyangana water supply schemes of the National Water Supply and Drainage Board (NWSDB) and found to be a solution for many prevailing problems.
How to Cite: Sumanaweera, S. & Gunawardena, G.G.N., (2008). Prefabricated, Low Cost and Ready to Install Water Treatment Unit Operation Modules for The Townships of Sri Lanka. Engineer: Journal of the Institution of Engineers, Sri Lanka. 41(2), pp.25–30. DOI: http://doi.org/10.4038/engineer.v41i2.7119
Published on 20 Apr 2008.
Peer Reviewed

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