1.0. Introduction
Malaysia's rapid development with the implementation of major programs in agriculture, infrastructure, industrial and commercial. However, like other countries, Malaysia is not spared from facing the problem of flooding either natural or caused by development and logging are not planned. Therefore, Malaysia took the initiative to create and implement flood mitigation projects to reduce flood-hit areas. Implementation of flood mitigation projects have shown satisfactory results Flood Mitigation Plan (RTB) City of Seremban and Klang Valley RTB. If the flood mitigation project is not implemented, then the total damage caused by floods will rise and many losses.
The provisions of the Flood Mitigation Plan Program has been implemented as a whole after the country suffered floods in 1971. Various measures have been taken to overcome the flood establish the Permanent Commission of Flood Control, Flood Disaster Relief Mechanisms, conducting research and preparing the river basin "Drainage Master Plan 'for major cities, the implementation of structural and non-structural methods, creating a flood forecasting and warning systems and establishing a network of data collection stations and flood hydrology. In order to ensure the effectiveness of the flood problem, Eco-Friendly Drainage Manual (MASMA) was introduced in 2000 to replace the "Procedure No1 (1975) Planning and Design" and "Design Rainfall Estimates. All parties involved in implementing projects to solve flooding to mobilize resources and give priority to the implementation of efforts to overcome the flood disaster. Sungai Muda identified as flood-prone areas, especially during the rainy season is from April to May and September to November each year.
As we know, in Kedah floods often occur at the end of the year. For example, large floods have occurred in the years 1949, 1967, 1988,1995 and 1998. As a result of floods in the year, estimated at 8.370 and