Consultancy service included several aspects of the rehabilitation of Galle urban water supply project, feasibility of major rehabilitation for the benefit of 75,000 inhabitants. Detailed designs of the replacement of main transmission main comprised of computer based theoretical modeling of transmission network and field simulations, designs of 8km long transmission line of 500 mm PE and preparation of drawings. The National Water Supply and Drainage Board, was assisted in tender process including preparation of tender documents and tender evaluation etc. IDC also carried out the project management and construction supervision and quality assurance. The project was funded by the American Red Cross Society.