- BOT (Build Operate Transfer):
- Government delegates to a private entity to build infrastructure.
- Private entity operates and maintains facilities for a certain period.
- Then transfers the project to the government at contract end.
- BOOT (Build Own Operate Transfer):
- Private party builds the project and owns it.
- Operates and maintains it for the contract period.
- Then transfers the project to the government at contract end.
- Preferred by private entities as ownership makes finance easier.
- DBFOT (Design Build Finance Operate and Transfer):
- Private party takes entire responsibility for designing, building, financing.
- Also responsible for operations and management.
- Then transfers to the government at the end of the project life cycle.
- The text also mentions EPC (Engineering Procurement Construction) and Hybrid Annuity Model (HAM) as investment models, some of which are PPP.