Melen Project SP 4
Brief Description
Şile - Alaçalı Tunnel mainly composed of concrete lined tunnel, 4.5m in diameter and 3,754m in length.
Yeşilvadi Conduit mainly composed of:
- Yeşilvadi Conduit: 4.5m in diameter, 5,346m long, reinforced concrete conduit with steel lining
- Rehabilitation of Yeşildere creek along the conduit
Alaçalı - Ömerli Tunnel mainly composed of:
- Concrete lined tunnel 4.5m in diameter and 3,260m in length
- Branch to Ömerli Reservoir connection
Hamidiye Tunnel mainly composed of concrete lined tunnel 4.5m in diameter and 3,260m in length
Ömerli Reservoir Connection mainly composed of:
- Concrete lined
- Outlet structure
- Construction of access adits and reinstatement after construction
- Valves and pipe works for Outlet Structure of Ömerli Reservoir Connection
- Access roads for Şile - Alaçalı Tunnel and Ömerli Reservoir Connection Outlet Structures
- Landscaping
| Project Name | Greater Istanbul Water Supply Project Stage II - Melen System, Contract No:4, Şile Control Center - Hamidiye Tunnel Outlet Transmission Main |
| Location | Istanbul - Turkey |
| Client | State Hydraulic Works General Directorate |
| Date of Start | June 2008 |
| Target Date of Completion | June 2011 |
| Value | 117,130,000.- US $ (Based on 2008 unit prices) |
| Contractor | Palet - Yertaş Construction consortium (Palet Construction is the leader firm with 50.1% share) |