| Investigation |
Preliminary Investment Investigation Socio-economic Investigation Feasibility Study Profitability Study Investigation of Legal & Administrative Restrictions |
| Planning | Preliminary Investigation Initial Profitability Study Establishment of Project Concept |
| Design | Preliminary Design Basic Design Detail Design Construction Plan & Progress Management Cost Estimation Preparation & Review of Specification and Tender Documents |
| Supervision | Review of Construction Plan / Quality Test Management of Design Changes Construction Progress Management Investigation for Completion of Construction |