.  The project structure whereby the Private Partner builds the asset in question, maintains the responsibility of operating the asset and then transfers the asset back to the Contracting Authority after a specified period of time (typically somewhere between 00 and 00 years in the transport sector and 00 and 00 years for energy and waste/water). The Contracting Authority should carefully consider the quality of the asset it expects to receive back at the end of the term and how to ensure that the Private Partner ensures that the asset achieves that standard.  The project structure whereby the Private Partner builds the asset in question, maintains the responsibility of operating the asset and then transfers the asset back to the Contracting Authority after a specified period of time (typically somewhere between 00 and 00 years in the transport sector and 00 and 00 years for energy and waste/water). The Contracting Authority should carefully consider the quality of the asset it expects to receive back at the end of the term and how to ensure that the Private Partner ensures that the asset achieves that standard.  The project structure whereby the Private Partner builds the asset in question, has full ownership of the asset and maintains the responsibility of operating the asset.  The project structure whereby the Private Partner builds the asset in question, has full ownership of the asset, maintains the responsibility of operating the asset and then transfers the asset back to the Contracting Authority after a specified period of time (typically somewhere between 00 and 00 years in the transport sector and 00 and 00 years for energy and waste/water). The Contracting Authority should carefully consider the quality of the asset it expects to receive back at the end of the term and how to ensure that the Private Partner ensures that the asset achieves that standard.  The project structure whereby the Private Partner builds the asset in question, has full ownership of the asset and maintains the responsibility of operating the asset.  The project structure whereby the Private Partner builds the asset in question, has full ownership of the asset and maintains the responsibility of operating the asset.  