|
Three following types of
spillways have been designed for the Karun III
project.
Service Spillway
| Type |
gated ogee |
| Number of gates |
two main gates, (15 w * 17.34 h) |
| Location |
right bank |
| Discharge capacity |
Apr. 8700 (m /s) |
| Maximum water level |
27.5 (m) |
| Crest level |
824 (m.a.s.l) |
| Intake |
ogee |
| Outlet type |
flip bucket |
Auxiliary spillway
| Type |
free |
| Location |
on the Dam body crest |
| Crest length |
54 (m) |
| Crest level |
845 m.a.s.l |
| Intake |
ogee |
| Maximum water level |
6.5 (m.a.s.l) |
| Discharge capacity |
1500 (m /s) |
Emergency spillway
| Type |
artificial |
| Number |
2 |
| Location |
on the middle of Dam
body (nearly) |
| Number of gates |
2 radial (6 w * 8 h) |
| Level of the spillway axis
|
760 (m.a.s.l) |
| Discharge capacity |
Apr. 2800 (m3/s) |
Flow Compensation Outlet
| Number |
2 |
| Approximate length |
32 (m) |
| Diameter |
2.20 (m) |
| Axis level |
730 (m.a.s.l) |
| Type of lining |
Stainless steel |
| Maximum discharge capacity
|
250 (m /s) |
| type of gates |
bulkhead & emergency |
| type of valves |
Hollow cone |
The maximum capacity of spillways
| At the level of 851.5 (m.a.s.l)
|
Apr. 13300 (m /s)
|
Energy Dissipation system
Plunge pool with the bottom level of 654 (m.a.s.l)
and tail pond Dam with the crest level of 696. |