Evaluation of the Benefits of Implementation of Water Sensitive Urban Design Initiatives in Putraja City of Malaysia

Floods in Malaysia are regular natural disasters in which happen nearly every year during the monsoon season. Ministry of natural resources and environment in its annual reports asserted that flood damages have accrued approximately 300 billion Dollars annually in an average. The reason for floods lie with lack of appropriate water management systems in terms of stormwater management. Current status of Malaysia water management practice calls for imitating the successful experience of other countries. The aim of this paper is to review better management frameworks for urban water management in regard of stormwater management in outstanding countries. In this paper, the concept of Water Sensitive Urban Design (WSUD) is initially reviewed, then the proposed frameworks of stormwater management in the world are reviewed and the initiatives associated with stormwater management are offered. Finally, an implemented case of City of Putraja is studied to verify the use of initiatives in real similar cases. Among several variables in regard with stormwater management, three types of objectives are highlighted and two evaluation criteria are propsed. Analysis of the results is conducted based on a proposed evaluation criteria. Result of the Analysis of the Putrajaya Stormwater Management System shows a remarkable contribution of WASUD initiatives in mitigating the stormwater in this city in respect of securing health and safety of people and assets, Surface water pollution reduction, Reduction of cost of operation and Sedimentation reduction in sewers.

کلیدواژه ها:

Resource Water Manageemnt ، WSUD- Sustainable Management- - Putrajaya Stormwater Management initiatives- Water Management criteria