Project Name: Construction Supervision Services for Yamanlı II Weir and Hepp Project
Country: TURKEY
Client: ENERJISA Power Generation Company
Finance Source: IFC
Tags: Turkey, IFC, HEPP, Supervision
Detailed Narrative Description of Project:
Yamanlı II Weir and HEPP Project is located on the Goksu tributary of Seyhan River in the Upper Seyhan Basin, within the borders of Tufanbeyli district within Adana province. There are two weirs and HEPPs under the scope of the project, the main characteristics and features of which are as follows:
| 1. Stage (Upstream Stage) | 2. Stage (Downstream Stage) | |
| Weir Type and Height | Uncontrolled Spillway, 14 m | Uncontrolled Spillway, 25 m |
| Crest Length | 12 m | 180 m |
| Operational Flow Rate | 22,5 m3 / sec | 13,14 m3 / sec |
| Conveyance Tunnel Diameter and Length | 3,5 m circular section, 9311 m (6700 m by TBM, 2611 m by Drill & Blast) | 3,5 m circular section, 5560 m NATM |
| Penstock Diameter and Length | 2,7 m, 788 m | 3,5 m , 155 m, underground |
| Turbines | Vertical Axis Francis (2×23,58 + 1×11,79 = 59,95 MW) | Vertical Axis Francis (2×5,64 = 11,28 MW) |
| Gross and Net Head | 312,00 m, 296,23 m | 98,00 m, 83,43 m |
| Aqueduct | – | 81 m length, 21m height |
Detailed Description of Actual Services Provided by TEMELSU:
Supervision services include but are not limited with the following:
- Owner’s engineering services
- Assistance in project management
- Ensuring that civil, hydromechanic and electromechanical works are completed in accordance with the budget and the work programme.
- Preparation of monthly progress reports.
- Ensuring that Environmental and Health & Safety precautions are taken.
- Checking the quantity surveys of the Contractor’s interim payment reports.
- Review of the detailed design in respect of feasibility, quality, and reliability.
- Supervision of the construction, site manufacturing and testing of materials, QA-QC works.
- Coordination of the work programme.
- Carrying out Provisional and Final Acceptance works.
- Provision of experts for solution of specific problems at the site.



TR
EN