Property Outline

Address 1-1, Otemachi 1-Chome, Chiyoda-ku, Tokyo
Owner/Developer Mitsubishi Estate Co., Ltd.
Design & Supervision Mitsubishi Jisho Sekkei, Inc.
Construction Takenaka Corporation
Date of completion February 2017
Main uses Office, retail, serviced apartments, parking, etc.
Number of floors 29 floors above ground (+ 2-storey roof structure), 5 floors below ground
Structure Above ground: Steel framework (partially CFT pillars)
Underground: Steel framework + Steel-reinforced concrete structure (partially Steel framework only)
Seismic damping structure
Height approx. 150 m
Site Zoning Commercial-use zone, Fire prevention district
Site area approx. 9,338.97 sq.mt.
Gross floor area approx. 151,854.87 sq.mt.
Leasable office floor area approx. 60,709.82 sq.mt.
Slab load bearing General zone: 500 kg/m², “Heavy duty” zone & special floors (3F, 9F, 15F, 20F): 1,000 kg/m²
Raised floor height Standard floors:150 mm/Special Floors (3F, 9F, 15F, 20F): 300 mm
Floor-to-ceiling height Standard floors: 2,850mm, Special floors (3F, 9F, 15F, 20F): 3,000 mm
Elevators Office floors: Total: 24 elevator cars (8 cars per bank x 3 banks), Emergency/Freight: 3 cars
HVAC 7 HVAC zones per floor (each zone equipped with an air conditioning unit + VAV (Variable Air Volume)
Parking Passenger car parking: 255 vehicles (self-parking space: 75, machine parking: 180)
Motorcycle parking: 17, Bicycle parking: 42
  • *  Specifications, exterior views, drawings and other details stated in this website are current as of November 2015, may be subject to revision in the future.
  • *  Computer-generated images in this website are based on data current as of November 2015, and may differ from the actual building when completed.