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Recovery and Reconstruction of Infrastructures

Recovery and Reconstruction of Infrastructures. Yasuo Tanaka (Prof. Emeritus of Kobe University Brunsfield Prof. of UTAR, Malaysia). New Approaches in 2011 Disaster. Establishment of Disaster Reconstruction Bureau Create Laws and Funds for Disaster Reconstruction

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Recovery and Reconstruction of Infrastructures

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  1. Recovery and Reconstruction of Infrastructures Yasuo Tanaka (Prof. Emeritus of Kobe University Brunsfield Prof. of UTAR, Malaysia)

  2. New Approaches in 2011 Disaster • Establishment of Disaster Reconstruction Bureau • Create Laws and Funds for Disaster Reconstruction • None of the above were available @ 1995 Great Hanshin-Awaji EQ

  3. Recovery State of Infrastructures Electricity Phone(line) Gas Phone(mobile) LPGas

  4. Recovery State of Infrastructures over all Sewages Coastal Protection national Coastal Protection Water supply Coastal Forest for Disaster prev. Waste disposal River Levees

  5. Recovery State of Infrastructures Public Housing Town rebuilding by relocation Town rebuilding by readjustment Town rebuilding for fishery town

  6. Budget Allocation for Recovery/Reconstruction • Total estimated cost of damage: 16.9 trillion yen • Recovery/Reconstruction Budget: 19-23 trillion • Initial budget allocation (FY2011): 14.9 trillion • Executed budget (FY2011): 9.05 trillion (60.6%) Very slow recovery & reconstruction for coastal protection, permanent houses, and town rebuilding

  7. Budget Allocation for Infrastructures • Estimated public civil engineering & agricultural structures damage • Iwate Prefecture: 0.77 trillion yen • Miyagi Prefecture: 2.21 trillion yen • Fukushima Prefec.:0.59 trillion yen • Total: 3.57 trillion yen

  8. Budget Spending for Infrastructures 44% of allocated budget is carried over to FY2012. 17% (6560 billion yen) is found unnecessary.

  9. Problem of Coastal Protection • Design height based on Level 1 & 2 tsunami • Level 1 tsunami: 10-100 years • Level 2 tsunami: very infrequent one • Design height for Level 1 has been revised (mostly increased).

  10. Proposed Height for Seawalls in Iwate Pref. previous newly proposed 2011 GEJET

  11. Difficulty in public acceptance on newly proposed seawalls • Can coastal city & town accept 15m heigh concrete seawall built in front of town facing the sea? • What is the effect of concrete wall on the environment, especially of biodiversity? • In future, only concrete wall will be left without residences to protect?

  12. Conclusions • No solid agreement reached yet between local government & affected coastal communities on the reconstruction height of seawall. • Without agreement on the seawall height, it is difficult to implement a new town or city planning with disaster risk reduction. • However, the time for recovery/reconstruction budget spending is limited.

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