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2021-01-18 GC - Item 3 - Attachment 2 - Phase 7 Project Summary Coastal Hazards Adaptation Plan
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Log in to see the plans as drawn Consequence Risk Level Potential
Hazard Event/ Planning Existing Likelihood of Combined
Asset Name Location Asset Type Impacted Assets Environ- Adaptive Control
Type Horizon Controls the Hazard Community Council Consequence
mental Capacity Options
Lake Weyba & surrounds
1 in 20 yr ARI Now No impact Possible Insignificant Insignificant Insignificant Insignificant Low
1 in 100 yr ARI Now Unlikely Insignificant Insignificant Insignificant Insignificant Low
Approx. 6 lots
1 in 500 yr ARI Now impacted, few Rare Insignificant Insignificant Insignificant Insignificant Low
dwellings
Approx. 6 lots
1 in 20 yr ARI 2040 Possible Insignificant Insignificant Insignificant Insignificant Low
impacted
[NV11]
1 in 100 yr ARI 2040 Unlikely Minor Insignificant Insignificant Minor Low
6-10 lots impacted,
1 in 500 yr ARI 2040 Rare Minor Insignificant Insignificant Minor Low
Area bound Storm Tide 3-5 dwellings
Inundation 1 in 20 yr ARI 2070 Possible Minor Insignificant Insignificant Minor Medium
by Lake
20+ lots partially
Weyba Dr,
Residential 1 in 100 yr ARI 2070 impacted, incl. up to. Unlikely Minor Insignificant Insignificant Minor Medium
Residential Noosa
8 dwellings Vegetated buffer
properties National
65 1 in 500 yr ARI 2070 30+ lots impacted, 19 Rare Moderate Insignificant Minor Moderate Low
Park (incl.
Furl St, Sail 1 in 20 yr ARI 2100 dwellings Possible Moderate Insignificant Minor Moderate High
St) 30+ lots impacted Tidal
1 in 100 yr ARI 2100 Unlikely Major Insignificant Moderate Major High
(11 full), 19 dwellings barrage,
~65 lots All lots (28 full), 20+ buyback
1 in 500 yr ARI 2100 Rare Major Insignificant Moderate Major Medium
dwellings scheme,
Approx. 8 lots avoid
2040 Almost Certain Insignificant Insignificant Insignificant Insignificant Low
partially intensifying
Permanent
Approx. 8 lots, few land use,
Sea Level 2070 Almost Certain Minor Insignificant Insignificant Minor Medium building
dwellings
Rise controls
20+ lots, approx. 15
2100 Almost Certain Major Insignificant Moderate Major Very High
dwellings
1 in 20 yr ARI Now Possible Minor Insignificant Insignificant Minor Medium
Minor exposure to
1 in 100 yr ARI Now Unlikely Minor Insignificant Insignificant Minor Low
SW (open drainage)
1 in 500 yr ARI Now Rare Minor Insignificant Insignificant Minor Low
& sewage
1 in 20 yr ARI 2040 Possible Minor Insignificant Insignificant Minor Medium
[NV11] 1 in 100 yr ARI 2040 Unlikely Minor Insignificant Minor Minor Low
1 in 500 yr ARI 2040 Moderate exposure Rare Moderate Insignificant Moderate Moderate Low
Area bound Storm Tide
1 in 20 yr ARI 2070 Possible Moderate Insignificant Moderate Moderate Medium
by Lake Inundation
1 in 100 yr ARI 2070 Unlikely Moderate Insignificant Moderate Moderate Medium
NV11 critical Weyba Dr, Various
1 in 500 yr ARI 2070 Significant exposure Rare Moderate Insignificant Moderate Moderate Low
infrastructure Noosa riverwalls
National 1 in 20 yr ARI 2100 Possible Moderate Insignificant Moderate Moderate Medium
Park (incl. 1 in 100 yr ARI 2100 Total inundation of Unlikely Moderate Insignificant Major Major High
Furl St, Sail underground
1 in 500 yr ARI 2100 Rare Moderate Insignificant Major Major Medium
St) services
Minor exposure to
Permanent 2040 Almost Certain Minor Insignificant Insignificant Minor Medium
SW & sewerage
Sea Level
2070 Almost Certain Minor Insignificant Minor Minor Medium
Rise Moderate exposure
2100 Almost Certain Moderate Insignificant Minor Moderate High
1 in 20 yr ARI Now Possible Insignificant Insignificant Insignificant Insignificant Low
1 in 100 yr ARI Now Unlikely Minor Insignificant Insignificant Minor Low
1 in 500 yr ARI Now Lake Weyba Dr Rare Minor Insignificant Insignificant Minor Low
[NV11] 1 in 20 yr ARI 2040 impacted (minor) Possible Minor Insignificant Insignificant Minor Medium
1 in 100 yr ARI 2040 Unlikely Minor Insignificant Insignificant Minor Low
Area bound Storm Tide 1 in 500 yr ARI 2040 Rare Minor Insignificant Insignificant Minor Low
by Lake Inundation 1 in 20 yr ARI 2070 Possible Minor Insignificant Insignificant Minor Medium
NV11 Weyba Dr, 1 in 100 yr ARI 2070 Various Unlikely Minor Insignificant Insignificant Minor Low
Much of Lake Weyba
Road network Noosa 1 in 500 yr ARI 2070 riverwalls Rare Minor Insignificant Insignificant Minor Low
Dr (incl. access)
National 1 in 20 yr ARI 2100 Possible Moderate Insignificant Moderate Moderate Medium
Park (incl. 1 in 100 yr ARI 2100 Whole of Lake Unlikely Moderate Insignificant Moderate Moderate Medium
Furl St, Sail 1 in 500 yr ARI 2100 Weyba Dr Rare Moderate Insignificant Moderate Moderate Low
St) 2040 Minor inundation of Almost Certain Minor Insignificant Insignificant Minor Medium
Permanent
2070 Weyba Dr Almost Certain Minor Insignificant Insignificant Minor Medium
Sea Level
Lake Weyba Dr (incl.
Rise 2100 Almost Certain Moderate Insignificant Moderate Moderate High
access) impacted
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