Abstract
The graph model for conflict resolution (GMCR), along with its associated decision support system GMCR II, is employed for systematically studying the strategic aspects of a conflict existing in Per Aru basin. National Water Supply & Drainage Board has planned to build a reservoir on the Per Aru for the sole purpose of supplying drinking water to the urban areas of Vavuniya district. People who will be affected due to the inundation of their lands have shown resistance to the construction of the reservoir. Moreover, government organizations such as Forest Department and Wildlife Department also have expressed their concerns over the construction of a reservoir since that will have diverse impacts on forest lands and wildlife in the area that will be inundated by the proposed reservoir. The above three stakeholders, viz., National Water Supply & Drainage Board, affected people and government organizations suggest a few options to solve the conflict.The options are specific actions that can actually occur in a conflict. The decision support system, GMCR II, was used to investigate and resolve this conflict. The paper presents all the steps involved in the modeling of the conflict using GMCR II and analysis of the results obtained from the model. The National Water Supply & Drainage Board accepting to reduce the inundation area and agreeing to release sufficient environmental flow was resulted as the best possible solution acceptable for all the three parties.The solution includes affected people and Government Organizations agreeing for the construction of the reservoir at the original location. ENGINEER, Vol. 47, No. 03, pp. 61-70, 2014
Highlights
Vavuniya is one of the districts in the Northern Province of Sri Lanka situated approximately 280 km from Colombo
Major river systems are absent within the Vavuniya district
National Water Supply and Drainage Board (NWSDB) is interested in withdrawing 12,000 m3/d of water from the Per Aru by constructing a reservoir across it to cater for the drinking water demand in urban and suburb areas of the Vavuniya district
Summary
Vavuniya is one of the districts in the Northern Province of Sri Lanka situated approximately 280 km from Colombo. National Water Supply and Drainage Board (NWSDB) is interested in withdrawing 12,000 m3/d of water from the Per Aru by constructing a reservoir across it to cater for the drinking water demand in urban and suburb areas of the Vavuniya district. Forest Department and Wildlife Department have shown their concern on the project due to a few issues that may arise as a result of constructing a reservoir on the Per Aru. The area that will be inundated by the proposed reservoir belongs to Sastrikoolankulam, Paranattakal and Puthukulam Grame Niladhari Divisions in the Vavuniya District. NWSDB, Forest Department, Wildlife Department, People in the area have conflicting views on the implementation of the proposed project to supply water to the urban area of the Vavuniya district. The decision support system, called GMCR II [2], [3], [4], [5], [6], developed for implementing the graph model for conflict resolution, is used to rigorously analyze the conflict
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