TOP ｜ Architectural Outline of MinatoMirai Grand Central Tower ｜ Architectural Details
| Name | Minatomirai Grand Central Tower |
|---|---|
| Location | 4-6-2 (block 42) Minato Mirai, Nishi-ku, Yokohama, Kanagawa |
| Access | 2-minute walk from Minatomirai Station on the Minatomirai Line 11-minute walk from Yokohama Station |
| Main uses | Offices, shops and parking |
| Site area | 12,929.99m²（3,911.32tsubo） |
| Building area | 7,737.85m²（2,340.69tsubo） |
| Total floor space | 114,539.16m²（34,648.09tsubo） |
| Maximum height | 123.60ｍ |
| Floors | 26 floors aboveground, 2 floors underground, 1 penthouse Offices (aboveground floors 3-25), shops (aboveground floors 1-2), parking (underground floor 1) |
| Structure | Steel frame aboveground, steel frame reinforced concrete underground |
| Seismic resistance | Vibration controlling features (oil dampers, unbounded braces, concrete-filled tube pillars) |
| Elevators | 22 for offices (7 for low floors, 8 for middle floors, 7 for high floors), 3 for shops, 2 for service and emergencies |
| Parking capacity | 450 vehicles (including 44 surface parking spaces) |
| Developer | MM42 Development Special Purpose Company (Marubeni Corporation financing) |
| Design and management | Tohata Architects & Engineers Tokyo Office |
| Construction | Kajima Corporation Yokohama Branch |
| Completion | October 2011 |
| Power receiving and transformation equipment | 22-kV spot network 3-line power reception |
|---|---|
| Emergency building power generation | One 3,500-kVA gas turbine power generator (6,000V) |
| Emergency power generation for tenants | Spaces for gas turbine power generators (two 1,000-kVA underground and eight 250-kVA on the roof) |
| Communications equipment | Optical fiber cable and shared television reception equipment installed in tenant shafts on every floor Information cable racks installed in the common shafts Cable rack space available in tenant shafts Parabolic antenna foundation available on roof |
| Air-conditioning supply method | District heating and cooling system (cold water and steam provided via Minato Mirai 21 District Heating and Cooling, Co. Ltd.) |
| Sanitation facilities | Hot water equipment: storage-type electric hot water heaters installed at the restroom sinks and kitchenette corners of each floor Restrooms: one men's, one women's and two multipurpose restrooms on each floor (warm-water washing toilet seats and hot-air towels are standard equipment) Water supply and drainage for tenants: water supply and drainage pipes prepared to allow the addition of small pantries and other facilities in each expected tenant area |
| Security | Noncontact IC card readers installed at building perimeter exits and tenant entrances and exits; noncontact IC card readers installed inside elevators with floor access control restriction functions |
| Surveillance and management | Disaster prevention center managed by staff on duty 24 hours per day 24-hour surveillance with ITV cameras |
| Disaster prevention equipment | Fire extinguishing sprinklers and interior fire hydrants, coupled water pipes, foaming fire extinguishers, mechanical and natural smoke dispersal equipment, automatic fire alarm equipment and other equipment in accordance with legal regulations Emergency helipad on the rooftop |
| Smoking corners | One on each floor (circulating odor removal and smoke separation equipment installed) |
| Break corners | One on each floor (non-smoking) |
