ABSTRACT
Tendaho dam project over river Awash is located in the north-east of Addis Ababa, capital city of Ethiopia. It is among the largest dams in the country. It is a zoned earthfill dam with fill volume of about 4 Mm3
and expected to impound about 1.8 Bm3 water for irrigation purpose. The length of the dam crest is about 412 m and its maximum height at the river section is about 53 m. The width of the dam is about 10 m at the crest and 412 m at the widest point in the foundation level. The Tendaho dam is built on an alluvium consisting of alternating layers of mudstones siltstones, conglomerates and sandstones.
