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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
1 in 20 yr ARI Now Possible Insignificant Insignificant Insignificant Insignificant Low
1 in 100 yr ARI Now Nil Unlikely Insignificant Insignificant Insignificant Insignificant Low
1 in 500 yr ARI Now Rare Insignificant Insignificant Insignificant Insignificant Low
6 partial lots (Lake
1 in 20 yr ARI 2040 Possible Insignificant Insignificant Insignificant Insignificant Low
Cooroibah Rd)
9 partial lots (Lake
1 in 100 yr ARI 2040 Cooroibah Rd, Unlikely Insignificant Insignificant Insignificant Insignificant Low
Morning Glory Drive)
[Coo2] area 11 partial lots (Lake
bound by 1 in 500 yr ARI 2040 Cooroibah Rd, Rare Insignificant Insignificant Insignificant Insignificant Low
Lake Morning Glory Dr)
Storm Tide
Cooroibah 12 partial lots (Lake
Residential Detached resi & Inundation
Rd, Johns 1 in 20 yr ARI 2070 Cooroibah Rd, Possible Insignificant Insignificant Insignificant Insignificant Low
properties (Lake Rd & Lake acreage w/
Morning Glory Dr)
Cooroibah) Cooroibah dwelling
1 in 100 yr ARI 2070 12 partial lots (Lake Unlikely Insignificant Insignificant Insignificant Insignificant Low
Cooroibah Rd [some
95 lots (26 1 in 500 yr ARI 2070 dwellinsg], Morning Rare Insignificant Insignificant Insignificant Insignificant Low
acreage) Glory Dr)
1 in 20 yr ARI 2100 All lots north of Possible Minor Insignificant Minor Minor Medium
1 in 100 yr ARI 2100 Lakeside Park (13) Unlikely Minor Insignificant Minor Minor Low
(Lake Cooroibah Rd
1 in 500 yr ARI 2100 [some dwellings] 1 at Rare Minor Insignificant Minor Minor Low
Morning Glory Dr)
2040 Some backyard Almost Certain Insignificant Insignificant Insignificant Insignificant Low
Sea Level
2070 inundation, no Almost Certain Insignificant Insignificant Insignificant Insignificant Low
Rise
2100 dwelling inundation Almost Certain Insignificant Insignificant Insignificant Insignificant Low
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 Gravity main at Possible Insignificant Insignificant Insignificant Insignificant Low
[Coo2] area Stormwater, 1 in 100 yr ARI 2040 Lakeway Drive Unlikely Insignificant Insignificant Insignificant Insignificant Low
bound by sewage, and Storm Tide 1 in 500 yr ARI 2040 Rare Insignificant Insignificant Insignificant Insignificant Low
Lake water supply Inundation 1 in 20 yr ARI 2070 Possible Insignificant Insignificant Insignificant Insignificant Low
Critical
Cooroibah and energy and 1 in 100 yr ARI 2070 Unlikely Insignificant Insignificant Insignificant Insignificant Low
infrastructure
Rd, Johns lighting 1 in 500 yr ARI 2070 Playground, boat Rare Insignificant Insignificant Minor Minor Low
Rd & Lake infrastructure 1 in 20 yr ARI 2100 ramp, gravity and Possible Insignificant Insignificant Minor Minor Medium
Cooroibah assets 1 in 100 yr ARI 2100 pressure main at Unlikely Insignificant Insignificant Minor Minor Low
1 in 500 yr ARI 2100 Lakeway Drive 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
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
[Coo2] area 1 in 100 yr ARI 2040 Unlikely Insignificant Insignificant Insignificant Insignificant Low
bound by Storm Tide 1 in 500 yr ARI 2040 Rare Insignificant Insignificant Insignificant Insignificant Low
Lake Inundation 1 in 20 yr ARI 2070 Possible Insignificant Insignificant Insignificant Insignificant Low
Road network Cooroibah Road network 1 in 100 yr ARI 2070 Nil - negligible Unlikely Insignificant Insignificant Insignificant Insignificant Low
Rd, Johns 1 in 500 yr ARI 2070 Rare Insignificant Insignificant Insignificant Insignificant Low
Rd & Lake 1 in 20 yr ARI 2100 Possible Insignificant Insignificant Insignificant Insignificant Low
Cooroibah 1 in 100 yr ARI 2100 Unlikely Insignificant Insignificant Insignificant Insignificant Low
1 in 500 yr ARI 2100 Rare Insignificant Insignificant Insignificant Insignificant Low
2040 Almost Certain Insignificant Insignificant Insignificant Insignificant Low
Sea Level
2070 Almost Certain Insignificant Insignificant Insignificant Insignificant Low
Rise
2100 Almost Certain Insignificant Insignificant Insignificant Insignificant Low
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