Office buildings

Osaka Dia Building

  • The seismically designed building is capable of satisfactorily withstanding a large disaster (evaluated by the Japan Architectural General Laboratory)
  • Over 1,000 m2 of column-free space per floor
  • The adoption of a special voltage power(22KV) distribution system with triple circuit spot network. Equipped with backup power supply equipment (an emergency power generator)
  • Two layers of security at the building entrance and the office entrances.
  • Various convenient facilities for tenants, including a dining hall, lounges and rental conference rooms.


6-5-20, Noda, Fukushima-ku, Osaka-shi, Osaka


June 1989

Structure and scale

Steel reinforced concrete, Above ground: 12 floors, Underground : 1 floor
(computer rooms on the 4th to 8th floors, office rooms on the 9th to 12th floors)

Total floor area

19,675.60 m2

Leasable floor area

1,060.00 m2

Floor load bearing

Computer room floor: 1,000 kg/m2, office room floor: 300 kg/m2

Ceiling height

Computer room floor: 2,500 mm + 500 mm (raised floor)
Office room floor: 2,600 mm


Individual system/central system

Parking lot



8-minute walk from JR Nishikujo Station
8-minute walk from Nishikujo Station, Hanshin Namba Line

Floor Plan