The project is located on the northern part of Sabah in the district of Kota Marudu. Sungai Bengkoka is one of the main rivers in Kota Marudu with Sungai Togohu as a tributary. The Sungai Bengkoka flows through Kota Marudu, Pitas and finally ended in Sulu Sea.

The design methodology, Structural analysis and calculations relatedwith renovation works for Sungai Bengkoka (Lower) headworks. It seems that the headworks will be suffered from the floods almost annually. To tackle the flow condition under certain limitation of operation rules defined during the re-design of the structure.