Name | Item | Description |
TOP OF DAM | 1135.5 m |
|
FLOOD CONTROL ZONE | 1135 m |
|
Induces surcharge | Release water from Spillway using defined release discharge | Forces flood flows over the spillway |
CONSERVATION ZONE | Varies between 1134.5 and 1135 m | This is the range of the guide curve elevation. Calculation is done in Excel |
Nnywane IF Functions | ELSE IF Nnywane Dam Pool >1135 m Maximum release of 0.15 cms | Spillways open |
| ELSE IF Nnywane Dam Pool >1129 and <1135 m Normal release of 0.021 cms | Spillways closed Controlled outlet open |
| IF Nnywane Dam pool ≤1129 m Maximum Release of 0 cms | Spillways are closed Controlled outlet closed |
INACTIVE | 1129 m | Dead storage, no releases below this elevation |