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TUNISIA: Support to ONAS to Develop a Sewerage PPP Program

PPIAF provided support to the Office National de l'Assainissement (ONAS) to design the scope of ONAS's new PPP program for the operation and management of its sewerage infrastructure by private operators. The activity has led to ONAS taking the decision to move from its current system of short-term O&M contracts with minimal risk transfer to longer term concessions over 60% of ONAS's network.