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• Disaster resilience

High Earthquake Resistance by Incorporating the Latest Technology [ARK Hills Sengokuyama Mori Tower]

The 200m high-rise mixed-use building incorporates seismic isolation devices in the seismic isolation structure to absorb earthquake energy and reduce motion during an earthquake.

Using two types of seismic isolation devices produces a seismic isolation effect that reduces motion caused by wind as well as small to large earthquakes.

This also provides a seismic isolation effect for long-period ground motion especially damaging to high-rise buildings.

Adoption of Quake-Absorbing Structure [Meiji Yasuda Life Insurance Osaka Midosuji Building]

Even when a major earthquake occurs, quake-absorbing equipment turns a “strong, shocking quake” to a “slow quake,” and reduces the possibility of PCs and bookshelves falling, thereby dramatically mitigating the sense of fear, reducing damage to OA equipment, and improving safety of people.

Quake-absorbing equipment functions from earthquakes with seismic intensity of 4 or higher, reducing earthquake shock to 1/2 to 1/3 compared to buildings with standard structure.
(*There is no major difference for earthquakes with seismic intensity of less than 4 as the quake-absorbing equipment will not function.)

Ensure Business Continuity with an Emergency Power Generation System that Uses City Gas [ARK Hills Sengokuyama Mori Tower]

Due to the impact of the Great East Japan Earthquake, there has been increased concern about insufficient power supply and interest in business continuity plans (BCP) by companies. To improve the ability to maintain urban functions and support the business continuity of tenant businesses, an emergency power generation system has been installed to use city gas (medium-pressure gas) for in-house power production to allow tenant businesses to continue normal operations during a power outage. (Can supply 85% of the building’s overall estimated maximum power consumption including supplying power to exclusive areas.)

This system uses city gas supplied via disaster-resistant medium-pressure piping. In addition, greater capacity in fuel oil storage tanks provide a secondary backup to continuously supply the same amount of power and support the safe and continuous conducting of business activities by tenant companies.

• テナント用発電機に中圧ガスを使用する場合は、設置する発電機によって発電容量に制約がございます。

• 消防法、建築基準法等によって定められた非常用設備（消火設備・排煙設備等）、およびビル管理者が任意に定める建物維持に最低限必要な保安設備（セキュリティ・一部の設備機器等）
• 上記を除く、照明・OAコンセント・空調等、一般電力負荷
• ビル全体の想定最大使用電力の約85%を賄うことが可能です。
• 電源切り替え時に瞬時停電が生じるため、完全無停電化にはUPS等の設置が必要です。

Emergency Box [Hirakawacho Mori Tower, Yokohama Plaza Building, etc.]

Emergency box within the elevator cabin as preparation for an emergency stop as a measure to secure safety and security among tenants and visitors to tenants.

Adoption of a Support System for Building Safety Assessments [Hirakawacho Mori Tower, ARK Hills Sengokuyama Mori Tower, etc.]

Aiming for further enhancement of disaster management operation by introducing and utilizing a support system for building safety assessments developed as a tool to support post-disaster measures through understanding building status when an earthquake occurs.