Appendix: Tokyo No. 10 Data Center Specifications

Location Mitaka City, Tokyo
10 minutes by bus from nearest stations
(or approximately 12km from Shinjuku Station)
Building Structure 4-story steel structure with seismic-isolation construction
Seismic Proofing
  • Up to 80% reduction of horizontal shocks
  • Up to 40% reduction of vertical shocks in direct earthquake
  • Designed to withstand Great East Japan Earthquake-class tremor
Gross Floor Space
Approximately 38,000 m2
Maximum floor load More than 1,500Kg/m2
Power Power Receiving
  • Extra-high-voltage power
  • Main line and standby power supply system
  • Three substations available via switching
  • N+1 redundant configuration
  • Power for more than 72 hours without refueling
  • Standard: N+2 redundant configuration
  • Battery power for more than 10 minutes
Air- conditioning
  • Water cooling (air-cooled module chiller system)
  • N+1 redundant configuration
  • Cooling wall system
Fire protection
  • Ultrahigh-sensitivity smoke detection
  • Smoke-sensing and heat-sensing devices
  • Nitrogen gas fire-extinguishing system
  • Requires application via dedicated Web system
  • Entrance requires IC card, biometric authentication and security gate clearance
  • Surveillance cameras and individual rack locks
  • High security for financial institutions, etc. customizable
Other facilities Rental offices, meeting rooms, Wireless LAN, lounge and staging room
  • Directly connected via disaster-resistant cable tunnel
  • Direct connection to various NTT Com's network service nodes
Maintenance and operations (24/7) Equipment monitoring, technical support, project management and related services for security, communication and storage
Green index PUE: up to 1.3 (annual average for entire building)
(including planned )
FISC (complies with s Security Guidelines )