REPORTS & DOCUMENTATION OUTLINE OF REPORTS PRODUCED
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(1) The study produced reports at pre reconnaissance, reconnaissance and pre investment levels. This was followed by a final set of pre investment reports for each region. These pre investment reports are suitable for an International Competitive Bid (ICB). Each of the main reports is supported by annexure volumes on hydrological, morphological data. A total of thirteen such annexure volumes were prepared.

(2) The pre-investment study presents the project configuration, describes the key design aspects, integrates all the necessary hydrologic, topographic, geological and engineering information, estimates construction, operating and maintenance costs and contains all project information that establishes the project requirements and serves as a basis for the project procurement.
(3) The reports were prepared with computerized drawings such that the study can also be used by TANESCO in preparing a structured RFP ("Request for Proposals") package which will be useful in soliciting proposals from Independent Power Producers for the development on a competitive basis. (4) As a RFP package has usually associated with it a comprehensive pre-feasibility study which addresses Site related data such as location, access, grid interconnection Technology and design, Dispatch, Cost and Environmental Impact. The present study treats all these aspects and hence can be augmented through draft Implementation, Power Purchase and Conveyance agreements to give the complete RFP package.
(5) As the study brings out the costing of the project, it will also be easy to select competitive proposals from developers. The report will also be useful to the planning engineers of TANESCO so that they will be able to investigate, design and create an inventory of projects on similar lines suggested in this report. (6) This report will also be of assistance to project appraisal teams of the World Bank or other International Financial Institutions which may be interested in providing funds for development directly to TANESCO for implementation.

ASPECTS COVERED IN REPORTS.

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1. Executive Summary:  

Overview of the study with key findings and recommendations

2. Overview of Project Area:

Regional characteristics, Access and Transport, Economy, Demography, Climatic conditions, Demand supply situation, existing and planned projects

3. Review of Previous Proposals:  

Review of alternatives proposed by other consultants, SECSD visit to these sites, and comments.

4. Revised Proposals and Layout:  

Need for revised planning, conceptual planning, river basin planning, selection of project from alternatives, formulation of layout, Discussion of Access, civil structures, Generation, Transmission and Utilization, Environmental Impact, Costing and Economics

5. Topographic Features and Surveys:  

An overview of the topographic information available for the project area, survey conducted, further investigations recommended, mapping and profiling

6. Geology:  

Overview of general geology of area, Engineering geology for proposed structures, and availability of construction materials

7. Hydrology:  

Drainage network of basin, River flow data, observations on data, Selection of wet, dry and average years, Calculation of yield at proposed site, Flood studies at diversion site, Climatological conditions and Sedimentation

8. Power and Energy Studies:  

Reservoir characteristics, Simulation of power plant operation for various installed capacity for different inflows. Selection of optimal installed capacity. Energy generation and case studies.

9. Civil Works:

Discussion on access roads, diversion weir, Intake, power canal, Forebay and penstock, power house, tailrace and reservoir.

10. Electromechanical Equipment:  

Design and selection of turbine, setting, specifications and control. Selection of generator, transformer and other hydro mechanical equipment and auxiliaries.

11. Electrical Works:  

Design of the transmission system and protection, station transformer, control and protection, switchyard, and substation at receiving end.

12. Implementation Cost:  

Unit rates and derivation of quantities and cost components of project itemwise of Civil works, EM equipment, auxiliaries, HM equipment, switchyard, Transmission and Miscellaneous and Contingencies, Engineering and Administration costs and Environmental mitigation.

13. Economic and Financial Analysis:  

Economic analysis, comparision with equivalent diesel generator, Benefit cost ratio, Sensitivity analysis. Financial analysis with different loan terms and conditions.

14. Implementation Aspects:  

Discussion of supply of materials, construction schedule

15. Conclusions and Recommendations:  

Key aspects to be noted from the study

16. Photograhphs, References and Abbreviations:  

Photographs of site with references.

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