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Waipaoa River Flood Control Scheme Review. Review. Technical Review Sept 2009 Steering Committee Oct 2009 Operations Committee Oct Council February 2010 Preliminary Feedback. Review. Existing Scheme ~ 70 Year Up to “Bola” Review includes Scheme 3A Floodways at Lovelock & Ormond loops

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Presentation Transcript
review
Review
  • Technical Review Sept 2009
  • Steering Committee Oct 2009
  • Operations Committee Oct
  • Council February 2010
  • Preliminary Feedback
review1
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
options
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?
economic benefit assessment
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
economic benefit assessment benefit cost
Economic Benefit AssessmentBenefit / Cost
  • 100 Year 5.3
  • 150 Year 6.0
  • 200 Year 6.9
    • Does Not Address Affordability
existing rating system
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
proposed rating system
Proposed Rating System
  • Direct Benefit
    • 6 Categories
  • Indirect Benefit
    • 3 Categories
  • Contributors
proposed rating direct benefit
Proposed Rating – Direct Benefit
  • Review Existing Class/Land Use
  • Depth of Flooding
  • Duration of Flooding
  • Relative Economic Benefits
proposed rating indirect benefit
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.
proposed rating review contributors
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?
proposed rating review
Proposed Rating Review
  • Direct Benefit 65%
  • Indirect Benefit 20%
  • Contributors 15%
direct beneficiaries land areas for class existing
Direct BeneficiariesLand Areas for Class (Existing)
  • 300 ha A class
  • 2500 ha B class
  • 500 ha of C class
  • 8000 ha of D class
where to
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
ad