Table C2. Summary of Consequences for 1 in 1,000 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 or deposition and the detailed information is summarised in the corresponding road damage in Table C3. (4) Estimations of PAR and Potential Loss of Life are based on the Campbell method (Ref. 27). Waikino Railway Bridge and Criterion Bridge are expected to be closed before a severe storm event. Bridge Distance Downstream (km) Time of Arrival(1) (hr&min) Time to Flood Peak(1) (hr&min) PAR(4) Potential Loss of Life(4) 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 0 0 Waitawheta Road Bridge 17.6 1 hr 30 min 2 hr 5 min 0.58 0.44 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 20 min 2 hr 45 min 0 0 Total 0.58 0.44
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