El Breck Dam

EL BRECK
1999-2001

EL BRECK Dam is located in the Governorate of Kasserine in the west part of the Republic of Tunisia, about 30 km from the city of Kasserine, which is also the administrative headquarter of the Guvernorate.

The Employer at the EL BRECK Dam project is the Ministry of Agriculture and Hydraulic Resources of the Republic of Tunisia.

This structure is intended for supply of the required quantity of water for irrigation of agricultural land, since the agriculture is the basic economic activity in that area.

The construction works commenced in 1999 and were completed in 2001, within the planned time.

EL BRECK Dam is an embankment dam with the central clay core and filter zones. The supporting dam wall is made of rockfill. The dam wall slopes are made of RIP-RAP.
The dam height is 48,50m, the crest length is 300m the crest width is 7,50m. The width in foundations is 233 m.
The capacity of the reservoir formed by the dam constructing is 15 million m3.

Constructed appurtenant structures include:

• Spillway for evacuation of water from the reservoir is of lateral type and it is located on the right side of the dam.
• Water intake tower is 50 m high.
• Diversion tunnel diameter is Ø 4,80m and the length is 210m.

The quantities of the main works executed during the dam construction are:

• Excavation (external and tunnel) …. 656.000 m 3
• Filling of all types of materials …. 491.000 m3
• Concrete works (external and tunnel) …. 6.500 m3
• Drilling and grouting …. 5.100 m3