Goonewardene, N.P.2019-10-012019-10-012000Engineer, 33(2):p.68-76https://dl-iesl.nsf.gov.lk/handle/1/1759Water pipelines maintenanceWater distributionEngineering economicsPressure testingSterilizationScraping and lining of the 'old 20' and the 'duplicate 20' water mains from Labugama to AmbataleArticle