PRELIMINARY ENGINEERING
Process development
Process layout
Plant layout
Mass & energy balance
Process flow scheme
Design fixed
Performance specifications
Developed flow diagrams
Commodity resistance materials
Process & instrumentation diagrams
Line designations
Preliminary construction plan

DETAIL ENGINEERING
Basic design
Detailed design
Drafting
Modeling

PROJECT SCOPING
Project scope

OPERATIONAL SUPPORT ENGINEERING
Review & alterations
Engineering critical review
Troubleshooting

Sub-Consultant's List: