The document discusses public-private partnerships (PPPs) for infrastructure projects in East Africa. It outlines different PPP models like service contracts, management contracts, Build-Operate-Transfer contracts, and concessional contracts. These models vary in terms of asset ownership, duration, operation and maintenance responsibility, investment, commercial risk allocation, and compensation for the private sector partner. The document provides examples of existing PPP arrangements and concludes by outlining prerequisites and key factors for successful PPP projects in East Africa.