The Clark International Airport serves as an alternative to the main airport in Metro Manila. A waterway revetment is required to serve as a catch basin for water run-off within the airport and erosion protection measures are required.
Sections of Segamat River in the town areas have been widened and levees raised during previous flood mitigation works.
Rajang River (or Rejang River) originates in the Iran Mountains in Borneo Island, then flows southwest to Kapit where it turns westward to finally discharge over a swampy delta into South China Sea.
