Supporting Technical Assessments

Table D2. Summary of Consequences for 1 in 100 AEP Flood-Induced Rainy Day Breach Scenario (Bridges) Notes: (1) Time of arrival and time to flood peak are relevant to the dam breach initiation. (2) The bridge is not overtopped by the flood. (3) The bridge is overtopped by the flood and the detailed information is summarised in the corresponding road damage in Table D3. Bridge Distance Downstream (km) Time of Arrival(1) (hr&min) Time to Flood Peak(1) (hr&min) Baxter Road Bridge(3) 3.6 25 min 35 min SH2 Tauranga Road Bridge(3) 6.0 35 min 55 min Frankton Road Bridge(2) 7.7 - - Waikino Railway Bridge 16.0 1 hr 25 min 2 hr Waitawheta Road Bridge 17.6 1 hr 35 min 2 hr 10 min Ohinemuri River Bridge(2) 21.0 - - Karangahake Gorge Walkway(2) 22.1 - - Crown Hill Road Bridge(2) 22.8 - - Criterion Bridge 31.7 2 hr 25 min 2 hr 50 min

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