Recruitment of an International Study Office Tender - 45240869

Procurement Summary

Country: Djibouti

Summary: Recruitment of an International Study Office for Performance of a Detailed Study and Supervision of the Work for the Drinking Water Supply of the Villages

Deadline: 07 Sep 2020

Posting Date: 29 Aug 2020

Other Information

Notice Type: Tender

TOT Ref.No.: 45240869

Document Ref. No.:

Competition: ICB

Financier: Other Funding Agencies

Purchaser Ownership: -

Tender Value: Refer Document

CPV Classification

71800000 - Consulting services for water-supply and waste consultancy

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Tender Details

Expression of Interest are invited for Recruitment of an International Study Office for Performance of a Detailed Study and Supervision of the Work for the Drinking Water Supply of the Villages of Ali Addeh and Holl Holl from the Chief Place of Ali Sabieh
The water supply systems in Holl Holl and Ali Addeh are fragile. They mainly get their supplies from alluvial aquifers in the shallow wadis / wadis which are fed during the rainy season but which decrease during the dry season and are very vulnerable to drought when the rainy season is poor. The quality of the water is also poor in the sense that several physicochemical parameters (salinity, nitrates, sulphates) slightly exceed the international standards accepted for drinking water. So habitual consumption is likely to cause chronic diseases in the population, especially children.
- Ali Addeh : with a borehole near one wadis and two wells in the bed of another wadis, the supply of the city and the refugee camp (same system) is vulnerable to seasonal variability. The structure of one of the wells in the wadis has been damaged by seasonal flooding, and the piping of the other well is visible on the surface and vulnerable to future floods. The conductivity reported in water is 4, 500 to 5, 000 µS (the standard for drinking water is between 800 and 1, 500). There are also problems with nitrates and sulphates.
- Holl Holl : the town of Holl Holl is supplied by two boreholes: Dourreh (28m, 6m3 / h, 2, 500 µS) which supplies both the military camp and part of the town; and the Hindi borehole (180m, 6m3 / h, 2500 µS) which supplies the Hindi school and the village of
Holl Holl. Apparently many boreholes have been drilled and due to lack of water and poor quality (up to 10, 000 µS at depth) they have been abandoned.
[Disclaimer: The above text is machine translated. For accurate information kindly refer the original document.]

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