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The Kingdom of Morocco

Ait Hamou Dam and Supplying Greater Agadir City with Water

 

Loan No.: 380 Interest Rate: 4.5%
Beneficiary: Ministry of Equipment Grace Period: 5 years
Project Cost: KD 55.8 million Maturity: 22 years
Amount of Loan: KD 17.0 million Repayment: 35 semi-annual installments
Date of Loan Agreement: 21/05/1999 First Installment: 5 years following the first disbursement
Date of Effectiveness: 13/09/1999    

 

Objectives:

The project aims at regulating the water in Wadi A wkar , a tributary of Wadi Tarnri, to supply greater Agadir city with about 27.5 million m3/year of water to meet its municipal and industrial demand until 2020.

Description:

The project consists of two parts: (1) construction of Ait Hamou dam on Wadi Awkar, which is expected to be completed by mid 2001, and (2) construction of the Carrier pipeline and structures to supply greater city of Agadir with water, which is expected to be completed by the end of 2002.

Part One -Ait Hamou Dam: This part consists of a concrete arch dam 60 m high, 65 m above its foundations. The crest will be 166 m long and 2 m wide while the base will be 7m wide. The arch dam is supported by two gravity concrete masses in the two abutments. The dam will have a reinforced concrete spillway with a free sill about 110 m wide, and a chute 50 m wide and 10 m deep. The dam will also have a bottom outlet equipped with gates and a water intake structure with gates and valves at three different levels. The dam will create a reservoir with a capacity of 110 million m3. The construction of the dam will include the preparatory works, civil engineering works, hydro-mechanical works, land acquisition, technical services and the project administration.

Part Two -Treatment and Transfer Structures for Drinking Water Supply: This part includes the construction of a water intake structure on Wadi Tamri downstream of Ait Hamou dam, a carrier pipeline 67 km long with diameters ranging between 1,000 mm and 1,200 mm, two pumping stations and a water treatment plant, each with a capacity of 550 liters per second. This part also includes the construction of a concrete reservoir with a capacity of 2,000 m3, and a 6 km transmission line and remote sensing and control equipment for the treatment plant, the pumping stations and the reservoir at Agadir, along with technical services and project administration. 

Financing:

The Arab Fund loan will finance 80% of the total cost of part one of the project (cost of construction of Ait Hamou dam excluding taxes) .The borrower will finance the cost of the remaining components of the project and any cost overrun from his own or other resources. The Japanese Government indicated its willingness to finance part two of the project (Water Supply Transfer Structures). The borrower has also committed to finance this part of the project.

 

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