Design, independent checking, supply, laying and installation of approximately 7.2 km of water pipes ranging in diameter from 150mm to 600mm by trenchless construction works. Supplying and laying of approximately 45.8km of Polyethylene Pipes (PE) ranging in nominal size from OD25 mm to OD315 mm and approximately 9 km of Ductile Iron and/or Steel Pipes ranging in nominal diameter from DN300 to DN600.