Professional practice of APEC Architect Register


Registration number of APEC Architect  JP00435
Name  YAMANASHI Tomohiko
Business Address
Name Nikken Sekkei Ltd.
Address 2-18-3 Iidabashi Chiyoda-ku Tokyo,102-8117
Telephone 03-5226-3030    

 ●Project Name Sumitomo Realty&Development Iidabashi First Building First Hills Iidabashi
 ●Occupancy office,residence
 ●Construciton Method RC ・ SRC
 ●Size Total Floor Area: 62,946  u 
Number of Stories: 14 above and 2 below ground
 ●Brief description of project This is a redevelopment project with in an urban area which was densely built up with wooden houses with more than 50 properties. It took more than 10 years to realize and complete the project. The building is used as condominium, offices, and shops. Basement is used as machine room, car park and office; 1st floor is used as retails stores and offices; 2nd to 9th floors are offices, 10th to 14th floors are used as condominiums. A Seismic isolation layer has been installed between 9th and 10th floors, and the base of condominium section has been designed with seismic isolation. The garden on 10th floor provides an open space for tenants and visitors, and can also be used as an evacuation site. Office floor space is designed to be the maximum size possible by locating elevators and pipe shafts at north and south ends of the floor, which creates an open space of 4,350 square meters.