The project is a part of the Northern Water System,
and consists of construction of six dams with necessary transport
infrastructure. The project is expected to be completed by the end of
2006, and consists of the following main components:
1- Dams and Appurtenant Structures: Construction of six earth fill
dams; (Ziatine, Gamgoum, Haraka, Douimis, Maleh, Ettine), it also includes
the construction of pumping stations, laying of pipelines, and the
construction of tunnels to transfer water from the dams to the Northern
Water System.
Ziatine Dam:
Construction of a dam, 33 m high and 885 m long with a crest width of 8m,
and a storage capacity is 33 million m3. It also includes the
construction of a pumping station, and 7550m long pipeline to transfer
water to Wadi Sejnane.
Gamgoum Dam:
Construction of a dam 41 m high, 520 m long with a crest with of 8m, and a
storage capacity of 18.3 million m3. It also includes the
construction of a pumping station and the laying of 9500 m long pipelines
to transfer water to Wadi Sejnane .
Haraka Dam:
Construction of a dam, 27 m high and 740 m long with a crest width of 8m,
and storage capacity of 28 million m3. It also includes the
construction of a pumping station, a pipeline 2370 m long, and a tunnel of
1570 m long to transfer water to existing Sejnane reservoir.
Douimis Dam:
Construction of a dam, 42.5m high, 325 m long with a crest with 8m, and
storage capacity of 45 million m3. It also includes a pipeline
with nominal diameter 1400mm and 2.5km long to transfer water to the
existing pipeline Sejnene- Jounine.
Maleh Dam:
Construction of a dam 48.7m high and 325m long with a crest width
of 8m, and storage capacity of 43 million m3. It also includes
a pipeline 9500m long, 800m of nominal diameter to transfer water to the
existent pipeline Sejnane- Jounine.
Ettine Dam:
Construction of a dam 23.4 high and 824m long with a crest width of 8m,
and storage capacity of 36 million m3. It also includes a
pipeline 28.7 km long with a nominal diameter of 800 mm to transfer water
to existing pipeline Sejnane- Jounine.
2- Water Conveyors: It includes the laying of the third transfer
conveyor; consisting of a concrete pipeline 68 km long with a nominal
diameter of 1800mm, to increase the transfer capacity from Jejnane Dam to
the existing pumping station in Bejouna. It also includes a second pipe
conveyors 95 km long with a nominal diameter of 1600mm to increase the
transfer capacity of potable water between the water treatment plant in
Belli and Sousse reservoirs.
3- Saida Reservoir: Construction of a water reservoir through
construction of earthfill dikes 49 m high and 1100 m long . This reservoir
will increase the storage capacity of the water system of the north with
about 45 million m3. The construction also includes a pipeline
which is 6 km with a nominal diameter of 1800mm and a pumping station.
4- Consultancy Services: This includes consultancy services for
preparation the construction design, and tender documents and the
supervision of the construction. It also includes the services of
international experts to review the construction design, and the services
of specialized laboratory for material testing during construction of the
dams.
5- Land Expropriation: Expropriation of the land needed for the
implementation of the project.
6- Project Management: This includes the works of the central project
management unit and local management units which will be responsible for
the management and the control of the project works.
Financing:
The Arab Fund loan
covers about 33% of the total cost of the project. The European Investment
Bank contributes in financing of the project with a loan equivalent to
25.6 million K.D. The French Investment Agency will contribute in
financing of the project with a loan equivalent to 6.7 million KD. The
Tunisian Government is negotiating a loan from the Japanese Government to
finance the third pipeline Sejnane - Jounine and Saida Reservoir.
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