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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 Cooroibah, Lake Cootharaba and surrounds
1 in 20 yr ARI Now 1-2 properties Possible Insignificant Insignificant Insignificant Insignificant Low
10 partial lots
1 in 100 yr ARI Now Unlikely Insignificant Insignificant Insignificant Insignificant Low
impacted
1 in 500 yr ARI Now 10 partial lots Rare Insignificant Insignificant Insignificant Insignificant Low
1 in 20 yr ARI 2040 impacted (3 Possible Insignificant Insignificant Insignificant Insignificant Low
1 in 100 yr ARI 2040 dwellings) Unlikely Insignificant Insignificant Insignificant Insignificant Low
Storm Tide 1 in 500 yr ARI 2040 20 partial lots Rare Minor Insignificant Insignificant Minor Low
Inundation impacted (3
[Coo1] 1 in 20 yr ARI 2070 Possible Minor Insignificant Insignificant Minor Medium
dwellings)
McKinnon
Residential Detached resi & 1 in 100 yr ARI 2070 Unlikely Minor Insignificant Insignificant Minor Low
Dr &
properties (Lake acreage w/ 1 in 500 yr ARI 2070 25+ partial lots Nil Rare Minor Insignificant Insignificant Minor Low
Tingara Ct
Cooroibah) dwelling 1 in 20 yr ARI 2100 impacted (3 Possible Minor Insignificant Insignificant Minor Medium
136 lots 1 in 100 yr ARI 2100 dwellings) Unlikely Minor Insignificant Insignificant Minor Low
1 in 500 yr ARI 2100 Rare Minor Insignificant Insignificant Minor Low
4-5 partial lots
2040 Almost Certain Insignificant Insignificant Insignificant Insignificant Low
impacted
15+ partial lots
Sea Level 2070 Almost Certain Minor Insignificant Minor Minor Medium
impacted Landward
Rise
25+ partial lots building
2100 impacted (1 full Almost Certain Minor Insignificant Minor Minor Medium relocation
dwelling)
1 in 20 yr ARI Now Possible Insignificant Insignificant Minor Minor Medium
1 in 100 yr ARI Now Unlikely Insignificant Insignificant Minor Minor Low
1 in 500 yr ARI Now Rare Insignificant Insignificant Minor Minor Low
1 in 20 yr ARI 2040 Electrical assets, Possible Insignificant Insignificant Minor Minor Medium
1 in 100 yr ARI 2040 pressure and gravity Unlikely Insignificant Insignificant Minor Minor Low
1 in 500 yr ARI 2040 main Rare Insignificant Insignificant Minor Minor Low
1 in 20 yr ARI 2070 Possible Insignificant Insignificant Minor Minor Medium
1 in 100 yr ARI 2070 Unlikely Insignificant Insignificant Minor Minor Low
Stormwater,
Storm Tide 1 in 500 yr ARI 2070 Rare Insignificant Insignificant Minor Minor Low
sewage, and
[Coo1] 1 in 20 yr ARI 2100 Few stormwater Possible Insignificant Insignificant Minor Minor Medium
water supply Inundation
Critical McKinnon assets, one bridge, Low
and energy and
infrastructure Dr & electricity assets on
lighting
Tingara Ct 1 in 100 yr ARI 2100 McKinnon Drive and Unlikely Insignificant Insignificant Minor Minor
infrastructure
assets adjacent to the NE of
the neighbourhood
Few stormwater Low
assets, one bridge,
1 in 500 yr ARI 2100 Rare Insignificant Insignificant Minor Minor
electricity assets,
gravity main
2040 Lighting assets Almost Certain Insignificant Insignificant Minor Minor Medium
Sea Level
2070 Lighting, stormwater Almost Certain Insignificant Insignificant Minor Minor Medium
Rise
2100 assets Almost Certain Insignificant Insignificant Minor Minor Medium
1 in 20 yr ARI Now Possible Insignificant Insignificant Insignificant Insignificant Low
1 in 100 yr ARI Now Unlikely Insignificant Insignificant Insignificant Insignificant Low
1 in 500 yr ARI Now Rare Insignificant Insignificant Insignificant Insignificant Low
1 in 20 yr ARI 2040 Possible Insignificant Insignificant Insignificant Insignificant Low
Nil
1 in 100 yr ARI 2040 Unlikely Insignificant Insignificant Insignificant Insignificant Low
Storm Tide 1 in 500 yr ARI 2040 Rare Insignificant Insignificant Insignificant Insignificant Low
[Coo1] Inundation 1 in 20 yr ARI 2070 Possible Insignificant Insignificant Insignificant Insignificant Low
McKinnon
Road network Road network 1 in 100 yr ARI 2070 Nil Unlikely Insignificant Insignificant Insignificant Insignificant Low
Dr &
1 in 500 yr ARI 2070 Rare Insignificant Insignificant Minor Minor Low
Tingara Ct Possible inundation
1 in 20 yr ARI 2100 Possible Insignificant Insignificant Minor Minor Medium
on McKinnon Rd at
1 in 100 yr ARI 2100 Unlikely Insignificant Insignificant Minor Minor Low
Cooroibah Ck
1 in 500 yr ARI 2100 Rare Insignificant Insignificant Minor Minor Low
2040 Almost Certain Insignificant Insignificant Insignificant Insignificant Low
Sea Level
2070 Nil Almost Certain Insignificant Insignificant Insignificant Insignificant Low
Rise
2100 Almost Certain Insignificant Insignificant Insignificant Insignificant Low
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