The project, which is expected to be
completed by the third quarter of 2005, consists of the following
components:
1- Raising of Sidi Mohamed Bin
Abdullah Dam: The existing dam
is 87.5 m high and 600 m long with a crest width of 8m. The dam impound a
reservoir with a storage capacity of 480 million m3, and
regulate about 220 million m3
annually. The project consists of raising the existing dam by about 7.5 m
to increase the storage capacity to 1025 million m3, and the
regulated volume by about 80 million m3 annually. The dam
raising consist of the following works:
a- Preparatory works: This includes the
construction of offices, houses, and laboratory necessary for the
construction works of raising the dam.
b- Civil works: This includes civil
works of raising the dam, and the rehabilitation of the existing spillway,
the construction of a new bottom outlet and a new water intake for potable
water supply.
c- Electromechanical works: This includes
supply and installation of all equipments necessary to control flood water
through spillway, bottom outlet and the water intakes (valves, guard
gates and control gates). It also includes all equipment necessary for the
monitoring of dam behavior.
2- Boukhamis Dam:
This includes the construction of a roller compacted concrete dam, 65 m
high and 250 m long, with a crest width of 7 m. It also includes the
construction of a spillway, a bottom outlet and a water intake. The dam
will impound a reservoir with a storage capacity of 200 million m3.
The construction of the dam includes the following works:
a- Preparatory works: This includes the
construction of offices, houses and a laboratory, an access road of 12 km
long, and the diversion of an existing road which is 25 km. It also
includes the supply of the site with potable water, electricity and
communications.
b- Civil works: This includes the
excavation works, reinforced concrete and roller compacted concrete,
grouting, the construction of a spillway and a bottom outlet. It also
includes the construction of a water intake to supply nearby villages with
potable water, and another intake to divert water into Wadi Krou.
c- Electromechanical works: This includes
all necessary valves and equipments to control water flow in the bottom
outlet and water intakes, and the necessary equipments to monitor the
operation of the dam and it’s stability.
3- Consultancy services:
This includes consultancy services for completion of construction design
of the two dams, the preparation of tender documents and the supervision
of the works. It also includes the services of international experts to
review and approve the construction design, and to provide any special
needed consultancy services during the construction period.
4- Transmission pipeline for
potable water: It includes the
construction of a new pipeline, which will be undertaken by the National
Office of Potable Water to transfer water from the outlet tunnel of Sidi
Mohammed Bin Abdullah Dam to the existing pumping station. The pipeline
will be 2 km long and 1800mm nominal diameter.
5- Land expropriation:
This includes the expropriation of necessary land for the construction of
the two dams and their operation and maintenance.
6- Project management:
This includes the expenses of the project implementation unit which will
be responsible for the management and the control of the projects works.
Financing:
The Arab Fund loan covers about 67% of the
total cost of the project. The OPEC Fund and the Government of Morocco
will finance the remaining cost of the project.
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