 To transform the city into a more livable one, a 10-year "urban regeneration" project is undertaken, which will cost Rp 571 trillion ($40.5 billion).The project is aimed at infrastructure development, including the creation of a better integrated public transit system and the improvement of the city’s clean water and wastewater systems, housing and flood control system.Two private companies, PALYJA and Aetra, provide piped water in the western and eastern half of Jakarta respectively under 25-year concession contracts signed in 1998.