Split Rock upgrade

Location: Manilla River, 33klm upstream of Manilla
Dam completed: 1987
Storage capacity: 370,370 megalitres
Upgrade cost: $5-$10 million
Funding: The NSW State Government
Start date: 2011
Expected completion: 2012
Stage One: Upgrade to comply with ANCOLD
and DSC safety standards. Construct new
parapet wall on embankment.
Storage capacity and water releases will
not be altered by the upgrade.

Benefits

  • Improve dam safety.
  • Improve environmental outcomes.
  • Increased sustainable regional development.
  • Stimulating local econmomy during construction phase. 

Milestones

  • Late 2010 detailed design complete.
  • Early 2011 award construction contract.
  • Mid 2012 construction complete.

Updates

  • Assessment of spillway adequacy was completed based on the revised generalised tropical storm method.
  • Constultant engaged December 2007 to short list options identified in preliminary investigations to select a preferred option.  

Contact

Project Manager:  Kock Ooi
Contact details:  (02) 9354 1007