... or air intakes, personnel safety requirements, and deterioration of key elements of the siphons. Improvements have been made at some of the siphons arising from these issues and these are described. The learning from all of these issues has resulted in a refreshed inspection, testing, and maintenance...

...John A. Campbell Permanent siphons are increasingly being employed to increase the discharge capacity at existing reservoirs to ensure the available drawdown provision is in line with current guidance. Routine ‘wet’ testing of reservoir drawdown systems, during which flows are discharged from...