Factors limiting supply Landholder acceptance of proposed operation and Low confidence measure contribution agreement to flood easements. estimate are managed Interdependencies Nil High confidence Contribution to 10 -20 GL Moderate supply measures confidence Available funding and works cost. N/A Investment considerations Certainty of Low to moderate chance of not fully delivering the program Moderate implementation by 2024. The implications of not having the measure in confidence within Basin Plan operation (i.e. the reconciliation for SDL adjustments) at timeframes that time would need discussion if it becomes apparent there is a high risk the project will not be delivered in the timeframe. General comment Project has the potential to deliver a supply measure benefit. Gwydir Valley Description Undertake a program of measures: To allow flows of 450ML/d to 700ML/d (1.15 and 1.21 metres) in the Gingham Watercourse. To allow flows of 450ML/d to 800ML/d (2.24 and 2.66 metres) to the Lower Gwydir. To allow flows of 350ML/d to 550ML/d to be delivered in the Mallowa Creek and; To better connect floodplains and wetlands with the Key criteria and stocktake assessment Assessment outcome Information adequacy Adequate for initial assessment of program. Moderate confidence Concepts and costs at the feasibility level have been High confidence Project progress established. Business case completion expected by end November 2015 and is ‘on-schedule’. Significant identified issues Work is currently underway to improve the quality of Moderate likely to be resolved information on cost estimates confidence
Factors limiting supply measure contribution estimate are managed Landholder acceptance of proposed operation and agreement to flood easements. Low confidence Interdependencies Nil High confidence Contribution to supply measures 10 -20 GL Moderate confidence Investment considerations Available funding and works cost. N/A Certainty of implementation within Basin Plan timeframes Low to moderate chance of not fully delivering the program by 2024. The implications of not having the measure in operation (i.e. the reconciliation for SDL adjustments) at that time would need discussion if it becomes apparent there is a high risk the project will not be delivered in the timeframe. Moderate confidence General comment Project has the potential to deliver a supply measure benefit. Gwydir Valley Description Undertake a program of measures: To allow flows of 450ML/d to 700ML/d (1.15 and 1.21 metres) in the Gingham Watercourse. To allow flows of 450ML/d to 800ML/d (2.24 and 2.66 metres) to the Lower Gwydir. To allow flows of 350ML/d to 550ML/d to be delivered in the Mallowa Creek and; To better connect floodplains and wetlands with the Key criteria and stocktake assessment Assessment outcome Information adequacy Adequate for initial assessment of program. Moderate confidence Project progress Concepts and costs at the feasibility level have been established. Business case completion expected by end November 2015 and is ‘on-schedule’. High confidence Significant identified issues likely to be resolved Work is currently underway to improve the quality of information on cost estimates Moderate confidence