1. 1 Waipaoa River Flood Control Scheme Review

2. 2 Review Technical Review Sept 2009 Steering Committee Oct 2009 Operations Committee Oct Council February 2010 Preliminary Feedback

3. 3 Review Existing Scheme ~ 70 Year Up to “Bola” Review includes Scheme 3A –Floodways at Lovelock & Ormond loops Extension to Te Karaka (15 year) Relocation Mullooly Bend Stopbank

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5. 5 Options 100 Yr – Construct in 6 years 100 Yr – Construct in 10 years 150 Yr – Construct in 6 years 150 Yr – Construct in 10 years 200 Yr – Construct in 10 years What Can be done for $1m /yr What for max $300 / Hectare?

6. 6 Costs of Options Upgrade OptionCostTotal Annual Required (20 Year Loan) 100 Year (3A) (6 years) $16.9m$1,868,000 100 Year (3A) (10 years) $16.9m$1,460,000 150 Year (3A) (6 years) $24.3m$2,655,000 200 Year (3A) (6 years) $29.2m$3,065,000 <100 Year (3A) Narrower berms $12.6m$1,000,000

7. 7 Economic Benefit Assessment Construction & Maintenance Economic Benefits/Losses Over Lifetime Other District Economic Benefits/Losses Over Lifetime Benefits/Losses relative to the Economic Risks Overall Net Economic Benefit to District

8. 8 Economic Benefit Assessment Benefit / Cost 100 Year5.3 150 Year6.0 200 Year6.9 –Does Not Address Affordability

9. 9 Existing Rating System 60 Years Old –Soil Conservation & Rivers Control Act 1941 Local Govt Rating Act 2002 –“Distribution of Benefits” –“Extent contribute to the need” Changes in Land Use

10. 10 Proposed Rating System Direct Benefit –6 Categories Indirect Benefit –3 Categories Contributors

11. 11 Proposed Rating – Direct Benefit Review Existing Class/Land Use Depth of Flooding Duration of Flooding Relative Economic Benefits

12. 12 Proposed Rating – Indirect Benefit The large and more diverse economy that is sustained Protection to Roads and other Transport Facilities Protection of Essential Services Protection and Enhancement of Services and Facilities used by the Wider Community.

13. 13 Proposed Rating Review - Contributors Land within the Upper Catchment Sediment and increased water runoff from the catchment Natural process Only where the land use has altered the natural runoff MAF Assistance?

14. 14 Proposed Rating Review Direct Benefit65% Indirect Benefit20% Contributors15%

15. 15 Rating Impacts of Options Upgrade Option CostTotal Annual Direct 65% Indirect 20% Contributors 15% 100 Year (3A) (6 years) $16.9m$1,868,000$1,214,200$373,600$280,200 100 Year (3A) (10 years) $16.9m$1,460,000$949,000$292,000$219,000 150 Year (3A) (6 years) $24.3m$2,655,000$1,725,750$531,000$398,250 200 Year (3A) (6 years) $29.2m$3,065,000$1,992,250$613,000$459,750 <100 Year (3A) Narrow Berm $12.6m$1,000,000$650,000$200,000$150,000

16. 16 Direct Beneficiaries Land Areas for Class (Existing) 300 haA class 2500 haB class 500 ha ofC class 8000 ha ofD class

17. 17 Protection Level (Years) Direct (Class D) IndirectContributor Per $100k (CV) or Per HectarePer Property Per Hectare <100 ($1m per yr) $39$22$13.90$1.07 100$66$36.50$23.50$1.80 150$94$51.50$33.13$2.54 200$120$66$42.61$3.27 Example (Incls Capital & Maintenance)

18. 18 Protection Level (Years) Direct (Class B) IndirectContributor Per $100k (CV) or Per HectarePer Property Per Hectare <100 ($1m per yr) $134$73$13.90$1.07 100$225$124$23.50$1.80 150$318$175$33.13$2.54 200$409$225$42.61$3.27 Example (Incls Capital & Maintenance)

19. 19 Protection Level (Years) Direct (Class A) IndirectContributor Per $100k (CV) or Per HectarePer Property Per Hectare <100 ($1m per yr) $204$112$13.90$1.07 100$345$190$23.50$1.80 150$486$268$33.13$2.54 200$626$344$42.61$3.27 Example (Incls Capital & Maintenance)

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22. 22 Where to? Preliminary Meetings Feedback Report to Council Council Decide on Preferred Option (or Not) for Consultation Council Decide on Preferred Rating (or Not) for Consultation Ten Year Plan 2012