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| − | The area of the forebay designed for 80 % capture efficiency (i.e. R = 0.8) may be calculated as: | + | The area of the forebay (''A<subf</sub>'') designed for 80 % capture efficiency (i.e. R = 0.8) may be calculated as: | 
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| − | :<math>A_{f}=\frac{12\times Q}{V}</math> | + | :<math>A_{f}=\frac{12\times Q}{V_{f}}</math> | 
|  | {{plainlist| 1=Where: |  | {{plainlist| 1=Where: | 
| − |   | + | *''Q'' = Design flow rate (m³/s) | 
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