earthquake Context (GNS Science, n.d.) (Hancox & Perrin, 2010, - PowerPoint PPT Presentation

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Masters Thesis Water pipe repair- times post earthquake Context (GNS Science, n.d.) (Hancox & Perrin, 2010, p22) Otago Daily Times. (Feburary 22, 2016) (Ford, 2017) Factors Raised Road access (Mowll, 2012) Factors Raised Road

Masters Thesis Water pipe repair- times post earthquake
Context (GNS Science, n.d.)
(Hancox & Perrin, 2010, p22)
Otago Daily Times. (Feburary 22, 2016)
(Ford, 2017)
Factors Raised • Road access (Mowll, 2012)
Factors Raised • Road access • Pipe diameters • Topography • Staff Inexperience • Repair Coordination
Factors Raised • Road access • Pipe diameters • Topography • Staff Inexperience • Repair Coordination • Competition for equipment • Politics New Zealand Defence Force, 2017
Factors Raised • Road access • Pipe diameters • Topography • Staff Inexperience • Repair Coordination • Equipment acquisition • Politics • Reservoir damage • Hazards • Environmental impacts and regulations
Model Calculation • 𝑄𝑗𝑞𝑓 𝐺𝑏𝑗𝑚𝑣𝑠𝑓 𝑄𝑠𝑝𝑐𝑏𝑐𝑗𝑚𝑗𝑢𝑧 = −40 ( 𝑁𝑁𝐽−0.6) ×𝑇𝑁×𝑀𝐽𝑅×𝑀𝑇 ×𝑇𝑓𝑕𝑛𝑓𝑜𝑢 𝑚𝑓𝑜𝑕𝑢ℎ 1600×10 (𝑆𝑓𝑒𝑣𝑜𝑒𝑏𝑜𝑑𝑧 𝑔𝑏𝑑𝑢𝑝𝑠) 1000
Results Total (original Oddball Staff Landslides Total Source Inspection Grand totals model) pipes logistics and access 53 0.1 1 3 56 28 84 Kaitoke 81 4 0.5 10 94 98 192 Wainuiomata 65 4 0.3 8 76 98 174 Waterloo 61 4 1.6 7 73 98 171 Gear Island
Current and future work
Conclusions 1. Local factors have a significant impact adding up to 13 days (111 days when incorporating land sliding) 2. Need for in-depth research, like that being conducted currently by WWL.
References • Ford, M. (July 12, 2017). Dynamic landscape makes NZ prone to slips. Stuff . Retrieved from https://www.stuff.co.nz/national/94625277/dynamic-landscape-makes-nz-prone- to-slips • GNS Science. (n.d.). Wellington Fault. Retrieved from https://www.gns.cri.nz/Home/Learning/Science-Topics/Earthquakes/Major-Faults-in- New-Zealand/Wellington-Fault • Hancox, G. T., & Perrin, N. D. (2010). Sites of potential landslides that could damage water pipelines in the Greater Wellington Region during a Wellington Fault Earthquake . GNS Science • Mowll, R. (2012) Lifeline utilities restoration times from metropolitan Wellington following a Wellington Fault Earthquake: Report to the Wellington CDEM Group Joint Committee for the Wellington Lifelines Group Wellington Lifelines Group. Retrieved from http://www.gw.govt.nz/assets/Emergencies--Hazards/Emergency-Planning/12-11- 13-WeLG-report-to-CDEM-Joint-Committee-restoration-times-FINAL.pdf • Otago Daily Times. (Feburary 22, 2016) Major study probes NZ’s big landslide threat. Author. Retrieved from https://www.odt.co.nz/news/national/major-study-probes-nzs- big-landslide-threat • Radio New Zealand. (November 16, 2016) Hundreds still stranded in Kaikoura. Retrieved from https://www.radionz.co.nz/news/national/318126/hundreds-still- stranded-in-kaikoura

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