Seite - 1314 - in Book of Full Papers - Symposium Hydro Engineering

COMMISSION INTERNATIONALE DES GRANDS BARRAGES ------- VINGT-SIXIÈME CONGRÈS DES GRANDS BARRAGES Autriche, juillet 2018 ------- THE OPERATIONAL AND MAINTENANCE OF KEULILING RESERVOIR AS THE FIRST DAM IN ACEH PROVINCE - INDONESIA Ardiana J.,Saputra T. MAKSAL, Mardjono A. River Basin Organization of Sumatera I, THE MINISTRY OF PUBLIC WORKS AND HOUSING - INDONESIA AUSTRIA 1. INTRODUCTION Keuliling Reservoir most well known as the first dam in Aceh Province has been serving nearly 10 years. The operation and its maintenance controlled under the surveillance of River Basin Organization Sumatera I - the Ministry of Public Works and Housing of Indonesia. Dam Operation Unit (DOU) is a unit in River Basin Organization Sumatera I which conducting the dam monitoring works in every week, month and year. Three outline duties and responsibilities of DOU; firstly, arranging water reservoir through intake gate in accordance with the needs of water users and operating patterns of Keuliling Reservoir; secondly, supervising the dam instrumentation and hydro-mechanical equipment; and third, maintaining and controlling the dam structure from human activities or animal behavior that may caused a trigger to dam damage. The Keuliling Reservoir provides as a source of irrigation water supply located in Aceh Province – Indonesia (Fig.1). It is precisely positioned in Bak Sukon Village, Cot Glie Sub-District, Indrapuri, Large Aceh District, Aceh Province. It has 38.2 km2 of watershed and an average annual rainfall of 1,791 mm. The flood discharges implied by the Keuliling Reservoir amounted to 203.03 m3/sec for the return period of 20 years and 725.08 m3/sec for the flood discharge of the PMF value. Beside the positive benefits, the dam can cause tremendous flash floods which will result in many casualties, property, public facilities and severe environmental damage due to dam failure state. In preventing such 1314