Page - 986 - in Book of Full Papers - Symposium Hydro Engineering

PERMISSION PROCEDURES OF DAM CONSTRUCTION AND MANAGEMENT IN INDONESIA Cristina D. YULININGTYAS Dam Engineer, Dam Safety Unit, MINISTRY OF PUBLIC WORKS AND HOUSING INDONESIA Hari SUPRAYOGI Director of Rivers and Coastals, MINISTRY OF PUBLIC WORKS AND HOUSING Head of INACOLD INDONESIA Lolo W. RESDIATMOKO Head of Surveilance Section, Dam Safety Unit, MINISTRY OF PUBLIC WORKS AND HOUSING INDONESIA 1. INTRODUCTION The Republic of Indonesia is the largest archipelago country in the world about 13,466 large and small islands. Indonesia is straddling along the equator, situated between the continents of Asia and Ausralia and between the Pacific and the Indian Oceans. Lies between 95º - 141º East Longitude and 6º North to 11º South Latitude. Currently, the number of watersheds in Indonesia is 131 river basins. This amount consist of 5 across the country, 29 across the province, 29 national strategic, 53 across districts, and 15 cities watersheds spreading around the country that more than 5,800 rivers, 500 natural lakes and 214 dams. Indonesia has 2 (two) seasons : dry and rainy seasons. Dry usually occurs from June to September and the rest is rainy season. The average annual precipitation varies 1,5000 mm in eastern region to 2,600 mm in the west. 986