Split Rock upgrade
Split Rock Dam
- Located on the Manilla River, 33km upstream of Manilla.
- Dam completed in 1987.
- Storage capacity of 370,370 megalitres.
About the upgrade
- Cost of $8.1 million.
- Funded by the NSW State Government.
- 2011 start date.
- 2012 expected completion.
Upgrade to comply with ANCOLD and DSC safety standards. Construct new, two-metre-high, concrete parapet wall on embankment. Storage capacity and water releases will not be altered by the upgrade.
- Improved ability of dam to withstand extreme floods.
- Improved environmental outcomes.
- Increased sustainable regional development.
- Stimulating local economy during construction phase.
- 2010 late - Complete detailed design.
- 2011 early - Award construction contract.
- 2011 May - Commence construction.
- 2012 April - Construction completed.
- 2012 April - Completion ceremony held.
- 2011 June - Construction commencement ceremony held.
- 2011 April - Construction contract awarded to John Holland Pty Ltd.
- 2007 December - Consultant engaged to short list options identified in preliminary investigations to select a preferred option.
- Assessment of spillway adequacy was completed based on the revised generalised tropical storm method.
- Split Rock Dam safety upgrade (PDF 682 KB)
- 24.04.2012 - Split Rock upgrade on time, on budget, local involvement
- 06.09.2011 - Split Rock crest work underway
- 30.06.2011 - Split Rock upgrade construction commences
- 13.04.2011 - $31.6M Copeton and $5.6M Split Rock upgrade contracts awarded
Project Manager: Kock Ooi
Phone: 1300 662 077