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Flagship projects

Urban sanitation master plan

Study of the cities of Séguéla and Odienné

AfriqueCote d'IvoireSéguéla et Odienné

Project
description

The overall objective of the project is to provide ONAD with a reference document for planning investments in sanitation and drainage. The master plan proposes the following investments:

  1. Stormwater drainage: 25,352 linear meters of primary channels 2,255 ml of secondary channels (including crossing structures)

  2. Collective drainage:
    57 km of primary and secondary networks from DN200 to DN630; 91 km of additional secondary networks DN200; 12 pumping stations with flow rates between 3 m3/h and 315 m3/h; 13 km of pressure networks from DN100 to DN250; 1 wastewater treatment plant (lagoon system): Connection of 112,125 inhabitants.

  3. Non-collective sanitation 783 individual sanitation facilities of the TCM or VIP latrine type; Treatment plant for sewage sludge (100 m3/day to be treated): reception facility + observation tank + planted drying beds + lagooning basins + storage shed for dried sludge.

Missions
& Services

Field visit and assessment

Environmental and Summary Assessment (EES) during the assessment phase

Topographical studies

Economic and financial studies

Establishment of drainage and wastewater management scenarios

Establishment of the Sanitation Master Plan

Preparation of the preliminary design for priority drainage and wastewater works.

Flagship projects

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