OUTLINE １ ２ About Sendai City Basic Plan for Disaster Management of Sendai city ３ Actions for Build Back Better
About Sendai City Tsunami Land Slide Flooded Areas Floor collapse Major Disaster Affected Residential Areas Sendai East Highway (mounted road) Sendai Station 2
Basic Plan for Disaster Manageme nt of Sendai City National Basic Plan for Disaster Management Basic Plan for Disaster Management of Miyagi prefecture Sendai city Basic Plan for Disaster Management of Sendai city (Revised Apr. 2014) Damage and loss assessment assumption(before 2011) Earthquake Lessons from the Great East Japan Earthquake Earthquake Disaster Reconstruction Plan(2011-2015) Tsunami Nuclear Flood 3
Actions for Build Back Better How does sub-national government prepare for and resp ond to earthquakes? For example, Sendai city prepares for and responds to future earthquakes by ①Helping people to understand disaster risk information ②Making place and residential area safe ③Reinforcing existing buildings(public and private) ④Improving disaster-resistance for new structure buildings 4
①Helping people to understand disaster risk info rmation Sendai city developed a Tsunami Evacuation Guide, and distributed it t o all households. This guide is available in English, Chinese, Hangul and Japanese lang uages. 5
Tsunami Hazard Map Apr. 2017
②Making place and residential area safe Multiple defense Construct coastal levees and elevated roads. Simulation 7
②Making place and residential area safe Relocation Developed new residential areas in the inland zone to protect housings from tsunami. Replanting forest Residential area Sendai-Tobu road 8
②Making place and residential area safe Various types of tsunami evacuation facilities. Evacuation tower Evacuation staircases Evacuation space(park) 9
③Reinforcing existing buildings (public) Percentage of anti-earthquake buildings and anti-earthquake r einforced buildings. Public buildings Before After (Apr. 2008) (Mar. 2015) Schools Social housings Public utilities 88.2% 90.5% 100% 100% 85.2% 100% (transportation, water supply, gas) 10
③Reinforcing existing buildings (Private) Percentage of anti-earthquake buildings and anti-earthquake reinforce d buildings Private buildings Households Large buildings or buildings for specific use Estimation (Hospitals, Schools, Theaters, Hotels, etc.) Before After 85% 90% (as of Oct. 1 2008) (as of Oct. 1 2013) 84% 91% (as of 2006) (as of 2014) 11
④Improving disaster-resistance for new structure buildings Anti-earthquake strength of public buildings in Sendai City in c omparison to the level required by Building Standard Law. Building type Strength compared to Building Standard Law (%) City hall, Hospitals, Fire stations 150% Elementary schools, Ward offices 125% Social housings 100% 12
④Improving disaster-resistance for new structure buildings Basic idea of tsunami evacuation Securing evacuation facilities Construct evacuation facilities in areas where tsunami flooding is predicted. Conclude agreements with the private sector to use buildings for evacuation. Inundation hight buildin g <On foot> Evacuatio n facility Home Distance possible to evacuate Estimated time of tsunami arrival: 45min. Time to begin evacuation Time to evacuate Within 15 min. 15 min. (av.) Time to evacuate to higher levels 15 min. <By car> Home a: 1.0 to 3.0 Time to begin evacuation Within 5-15 min. Distance possible to evacuate Time to evacuate 30-40 min. (av.) 13
④Improving disaster-resistance for new structure buildings Sendai city hospital use basement isolator 14
Sendai city hospital Top of column isolator Basement isolator Ground floor isolator Source: Yamashita sekkei co. 15
Structure Design basement isolator 錫プラグ 鉛プラグ 天然ゴム 内部鋼板 被覆ゴム フランジ Source: Yamashita sekkei co. 16
Jozenji dori ave. (in winter) Thank you very much for your attention and cooperation.