Technical and economic justification, or TEJ, presents analysis, calculation, and economic appropriateness assessment of the proposed construction project realization, enterprise construction, new technical object setup, existing objects modernization and reconstruction. TEJ is based on the costs and output comparative assessment, determination of use efficiency, and investment repayment period.  

We suggest the following order for TEJ development:

1. Initial data and conditions.
2. Market and company's capacity.
3. Material production factors.
4. Company's location.
5. Design and engineering documentation.
6. Company's structure and overhead expenses.
7. Labour force.
8. Project timing planning.
9. Financial and economic project appraisal