Preliminary Design

Preliminary Project Planning and Site Selection
Master Plans/Conceptual Plans
Feasibility Study (Technical, Financial and Economic)
Preliminary Design/Engineering, Analysis etc. complete
Environmental / Risk Assessment

Detailed Design

Detailed Project Reports (DPR)
Detailed Engineering, Estimate, Specifications & Contract Documents
Bridge / Structural Rehabilitation
Environment Management Plan
Financial Analysis and Risk Assessment, Sensitivity to variations Proof
Checking of Detailed Design.