Scottsdale Irrigation Scheme - Under Development

Tenders for Construction Underway

Tasmanian Irrigation (TI) is pleased to advise that tenders for the design and construction of the Scottsdale Irrigation Scheme, closed on 21 November. Submissions are now being evaluated, aiming to conditionally award the work to the successful contractor(s) by the end of this year. This will enable detailed design of the scheme to commence in the New Year; and for construction to start by April 2018. On this timeline the first deliveries of water to irrigators are still expected to flow in December 2019.

Following the round two water sales process the distribution pipeline route has been finalised; and maps of the proposed pipe alignment and design and construction corridors were sent to all affected landholders this month. To encourage further water sales TI has determined to extend the round 2 water sales offer to those landholders on the planned alignment until 30 June 2018. This offer includes the provision of a property outlet at no additional charge. After this date irrigators may need to purchase a property outlet at an additional charge to the $1,400/ML cost of the water entitlement.

While 92 landholders have already committed to purchase water in the 8,600 ML scheme; there is still water held by Dorset Council (1,088 ML) and Tasmanian Irrigation (1,912 ML) available for sale. Don’t let the chance to buy water, without the additional expense a property outlet, slip by! To enquire about purchasing a water entitlement please contact Project Manager, Andy Corbould.

In August TI welcomed new Project Engineer Mr Jacob Gerke, whose primary role will be TI Project Engineer for the Scottsdale Irrigation Scheme. Jacob is a qualified Mechanical Engineer and former North-East resident who has returned to Tasmania with his young family after a number of years in Western Australia. Jacob is currently working closely with Project Manager Andy Corbould and Graduate Engineer Brock Nadler in preparing the scheme for construction.

Among other activities, the environmental referral to the Australian Government under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) has been approved; and Development Applications for construction of the scheme are being processed by Dorset and Launceston City Councils. Assessments of compensation for land and timber to be acquired as part development of the scheme have been completed and discussions with affected landowners are ongoing.

If you have any queries about the scheme, please feel free to contact one of the SIS Working Group members, who include: Tas Rainbow (Chairman), Michael Coote (Deputy Chair), Peter Sattler, Bob Bush, Robin Thompson, Cameron Moore and Victor Hall; or contact Project Manager (Andy Corbould) on 0417 341 141 or andy.corbould@tasirrigation.com.au

Scheme Background

The scheme design comprises of a dam on Camden Rivulet, a tributary of the St Patrick's River, to store winter flows. In the summer, water will be pumped via a 7km pipeline over the Sidling Range and then down by gravity through a mini-hydro station, to the existing Headquarters Road dam. Water allocated to this scheme will flow through an 8km underground pipeline around Scottsdale and on to the Waterhouse area. There will also be direct releases to boost flows in the Great Forester River, Hurst Creek and Brid River for direct take.

The proposed Scottsdale Irrigation Scheme comprises of the entire Great Forester and Brid River catchments, as well as parts of Boobyalla, Tomahawk and Little Forester River catchments. This 94,000ha area includes two distinct sub-regions. The drier northern sub-region, extending along the coastal plains and adjoining lowlands between Bridport and Waterhouse differs significantly from the wetter and more fertile southern sub-region, which extends along the inland hills and valleys from Springfield to Forester. Current irrigation is primarily applied to pastures, mainly dairy and some livestock finishing, with the remaining water used for cropping (potatoes, poppies and fresh vegetables). The potential irrigable area of this region is 17,366ha of which only 4,185 or 25% is currently under irrigation.

In completing the Business Case Tasmanian Irrigation has completed a number of feasibility studies including preliminary design and cost estimates, hydrology, ecology, geology and geotechnical assessments. TI also has briefed key stakeholders including Dorset and Launceston Councils, TasWater, dam site landowners, Inland Fisheries, Anglers Alliance the Tasmanian Conservation Trust.
 

 

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