MELBOURNE HILL ROAD CATCHMENT DRAINAGE IMPROVEMENTS Reference Panel Meeting, 6 February 2014

Agenda 2 1.Welcome/IntroductionsChair 2.ApologiesChair 3. Reference Panel Feedback  Comments on current Council Proposal  Confirmation of Reference Panel Concept All 4. Update Outstanding Issues  Valley Drain  Vehicle Crossing Culverts Roger Woodlock 5. Project Estimate and Apportionment Basis Roger Woodlock 6.Project Program / Next StepsRoger Woodlock 7.Discussion / QuestionsRoger Woodlock 8.CloseRoger Woodlock

Officer Investigations - diversions 3

Reference Panel Concept 4

5 Upgrade and asphalt line open drains Vehicle crossing and road crossing culvert upgrades Address recurring blockage of underground drain Melbourne Hill Road Improve drainage system downstream of MHR and H-W Rd intersection (outlet)

Reference Panel Concept 6 Upgrade underground drain in valley Improve and asphalt surface existing mounds and extend as required Improve Council maintenance intervention Divert flows from Wildflower Reserve to Heidelberg Warrandyte Road, or Construct retention basin at Houghton Rd / Melbourne Hill Rd intersection.

Outstanding Issues 7 Valley Drain Vehicle Crossing Culverts

Revised Total Project Estimate 8 Original Total Project Cost (Nov 2012)$1,940,000 Revised Total Project Cost$2,104,000 Cost Increase$164,000 Percentage Increase8.45% Note: Excludes boring and vegetation works

Breakdown Of Cost Increase 9 Wildflower Drain Extension $64,0003.3% Changes in Pipe Sizes / Extents / Pavement Works at Melbourne Hill Road $40,0002.1% Replace Kerb and Channel - Mounds- $37, % Construction Industry Cost Increases Nov 2012 – Feb 2014 $97, % Sub Total$164, %

Cost Breakdown Stage 1 10 Total Project $2,104,000 Council Cost (as per Council Policy) Upgrade existing Council drains Upgrade to flood capacity Wildflower extension Outlet works $455,000 Apportioned Cost $1,649,000

Cost Breakdown Part 2 11 Apportioned Cost $1,649,000 Council Area (38.6% h) Road reserves Leber Street $636,000 Resident Area (61.4% h) $1,013,000 Total Council = $1,091,000

Cost Apportionment 12 Resident Area (61.4% h) $1,013,000 Benefit B Individual Property Area A A × B = Individual Property Cost

13 METHOD OF APPORTIONMENT Natural Runoff House Runoff Protected = 1 BU Use = 1 BU

Project Program 14 Council Report - ConceptMarch 2014 Detailed DesignApril – August 2014 SR + C Scheme ProcessSeptember 2014 – February 2015 VCAT HearingUp to 12 Months Call Tenders Construction

15 Discussion/ Questions