BOT(abreciation for build - operate - transfer) refers to the cooperative pattern in which the government signs a contract with a project company from the private sector (in China it refers to overseas investment). The project company will raise funding and construct the infrastructure project. The project company, within an agreed period, will own run and maintain the facilities and recoup investment and make reasonable profit by collecting use or service charges. At the termination of the contract, the ownership of the project will he transferred to thc government free of charge, BOT is primarily abopted in developing infrastructure project such as toll roads, power plants. railways, waste water processing facilities and urban subways etc .