Utilization of the Deep Underground Space in Tokyo

在日本，政府和私营企业都认为有必要采取措施科普潜在的自然灾害。内阁办公室表示，企业必须制定业务连续性计划（BCP），以便在发生灾难时继续开展重要业务。BCP由中央灾害预防理事会、经济产业省和信息处理协同技术协会进行监督。在美国，BCP政策分为预防、紧急应对、重要业务重开、重要业务恢复和完全恢复5类。预防和应急反应大致相当于日本使用的危机控制一词。地震是日本最大的自然灾害，因此，在发生自然灾害时，必须尽可能降低风险，采取措施保护建筑物，确保电力、水、煤气等能源的供应。我们调查了日本制定BCP的过程，并建议发展拥有自己安全能源的安全城镇区-供应系统，并可以在地震发生时遵循其BCP。

In Japan, both the government and private enterprise find it necessary to take measures to cope with potential natural disasters. The cabinet office has stated that it is important for enterprises to develop business continuity plans(BCPs) to enable them to continue with important business in the event of a disaster. BCPs are monitored by the Central Disaster Prevention Council and the Ministry of Economy, Trade and Industry, and the Interoperability Technology Association for Information Processing.In the USA, BCP policies are divided into five classes : prevention, emergency response, reopening of important businesses, important business recovery, and complete restoration. Prevention and emergency response correspond roughly to the term crisis control, as used in Japan. As earthquakes represent the greatest natural hazard in Japan, it is necessary to minimize risk and take measures to safeguard structures and secure energy supplies such as electricity, water, and gas in the event of a natural disaster.In this research, we investigate the process of formulating BCPs in Japan and propose the development of safety town districts that have their own secure energy-supply system and can follow through on their BCPs in the event of an earthquake.