ArchShowcase 
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination. Extension of Oyamagaoka [HE-001] in Tokyo, Japan by Aki Hamada Architects Inc.June 7th, 2019 by Sumit Singhal
Article source: Aki Hamada Architects Inc. [Extension of a Type Conformity Approval House] By standardizing the design specifications in the type conformity approval system, applications for confirmation and inspections are simplified for customizations under certain conditions. Home builders have been taking advantage of this system to mass produce houses that meet clients’ requirements. In this extension project, the existing part of the house was a 13-year-old type conformity approval house, built by Misawa Homes Co., Ltd. Located at a corner site in a suburban residential area in Tama Hills, the house had a hair salon on the ground floor. Regular customers of this private salon mainly consisted of local residents. The client decided to expand the building, putting future business expansion in perspective.  Image Courtesy © Kenta Hasegawa
 Image Courtesy © Kenta Hasegawa According to the home builder, there were records of extensions using the same construction method, but no record using other general construction methods. Discussions were repeatedly held since it was also the first case for the examining authority of the applications for confirmation. In order to retain the type specification, only the structure of the openings was modified. Use of an expansion joint for connecting the extension and separation of the structures were required. The client also desired to maximize the floor area. Due to building coverage and the setback regulations of district planning, the depth was not extended. For maximizing the view and the use of the space, a glass box with a steel rigid frame was employed.  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa [Device for Filtering Light] This extension is mainly characterized by lattice made of wood and mirror-finish stainless steel placed outside against the glass walls. Taking into account blocking and reflection of direct sunlight throughout the year, the arrangement and angle were determined to maximize blocking of sunlight in summer and acquisition of sunlight in winter. It also functions as a flexible screen that allows you to change the shielding mode according to the usage by setting the parameter of the viewpoint of privacy.  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa The unconfined elevation plan – not restricted in the structure – filters light and lines of sight, while reflecting the movement in the sky and street and creating an image-like elevation plan that changes with time. It is architecture with an elevation as a modern decorated shed in a suburban residential area. In contrast to the existing part that has few openings, the extension part functions as a heat/light collection device. This aids further connections between the interior environment and the outside world. Shortly after moving in to the house, the client had responded to changes in the outside environment sensitively and had already grown a personal preference on light and heat that change with time. It is like actively finding a place to stay, based on such existence of patches of the changing environment. We believe that an ideal relationship between architecture and humans in subsequent generations is an environment that invokes dynamic human activities, rather than a convenient environment with air-conditioning and lightings.  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa <Soft lattice adapting to the existing facilities> In the ground floor plan of the hair salon, it was requested to create an unusual and intimate residence yet keeps privacy. We set the existing air-conditioning and lighting positions on the ceiling as the boundary conditions, and created a lattice ceiling forming a single three dimensional curved surface. The lattice of the ceiling was strictly designed according to the dimensions of the irregularities of the red pine tree placed on the wall. We tried to make a more intimate space by this lattice securing the light distribution and illuminance while hiding the facility, and continuously changing to the wall that controls the privacy on the shampoo station side.  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa  Image Courtesy © Kenta Hasegawa  Sun-Light-Simulation_Summer, Image Courtesy © Aki Hamada Architects Inc.  Sun-Light-Simulation-Winter, Image Courtesy © Aki Hamada Architects Inc.  Isometric, Image Courtesy © Aki Hamada Architects Inc.  Elevation-E, Image Courtesy © Aki Hamada Architects Inc.  Elevation-S, Image Courtesy © Aki Hamada Architects Inc.  Plan-1F, Image Courtesy © Aki Hamada Architects Inc.  Section, Image Courtesy © Aki Hamada Architects Inc.
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Categories: Extention, House, Residential |
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