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1 Murray-Rust, H.; Tabbal, D. F.; Galang, A. A.; Sumayao, A. 1986. Evaluation of irrigation system design. In Bangladesh Agricultural Research Council and Winrock International Institute for Agricultural Development, Methodologies to evaluate the performance of irrigation systems (pp. 62-76). Dhaka, Bangladesh: BARC and Winrock International.

Irrigation design ; Performance evaluation ; Rehabilitation ; Irrigation management ; Case studies / Philippines

(Location: IWMI-HQ Call no: 631.7.8 G584 BAN Record No: H01676)

With widespread concern over the comparatively low levels of performance of irrigation systems throughout Asia, attention is focusing on rehabilitation rather than on construction of new systems. Rehabilitation looks at both redesign of physical infrastructure and improvement of managerial capabilities. This paper points out, however, that managerial inputs can only be effective if the physical infrastructure has sufficient flexibility to accommodate managerial demands. The paper focuses on three case studies in the Philippines. The case studies have been selected to demonstrate how managerial considerations for improved system operation have been constrained by the design of the physical infrastructure at primary, secondary, and tertiary levels within the system. The main conclusion that can be drawn from these case studies is that changes in system operation can only be successful if redesign of the physical component of the system is fully integrated with operational criteria at the onset of the rehabilitation process.