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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. House in Itami, Japan by Tato ArchitectsSeptember 17th, 2013 by Sumit Singhal
Article source: Tato Architects Widening interspace to utilize Many of the requests to us for designing a house are accompanied with a prerequisite of ensuring a house for a nuclear family at an extremely subdivided lot, to whichwe cannot easily applythe manners of architecture having been accumulated for long time in Japan. We repeated trials and errors while designing as we think we are in the formative period for a new manner.  Image Courtesy © Koichi Torimura
 Image Courtesy © Koichi Torimura This time was not the exception as well. For this level of density of urban houses, where outer walls of the adjoining houses do not touch each other, the civil law demands 500mm setbacksof outer wallsto form interspace of 1,000mm in widthin-between those.  Image Courtesy © Koichi Torimura We have kept thinking if it is used more effectively. In this project, we gave 400mm more setbacks from the boundary line of the north eastern adjacent land. As a result, there was 1,400mm wide interspace as a passage, which was 900mm in width from the border of the adjacent plot, utilized by placed an entrance in the middle of the side wall faced to the interspace, which realized to minimize space for routing in the house.  Image Courtesy © Koichi Torimura The setback ensured the eave as high as about 9m avoiding the north side slant line. Non-structural walls were pushed out outward providing space for closets,etc. Accordingly, it provided bigger space containing facilities such as a toilet than as it looked from interior space like furniture, which brought ambiguity in perception of space. Image Courtesy © Koichi Torimura Architecture and furniture When I have the honor of seeingan architect-designed house, I sometimes feelas if design furnitureis telling messages.I wonder if it is right to summarize by saying “respect the original space and don’t bring any unnecessary things”, but it seems almost like a strong desire as much as to say not to fill the space with anything does not deserve it. Although I cannot say I don’t have such desire at all, I still aim to create space where a variety of things can be brought in and used in everyday life much more freely.  Image Courtesy © Koichi Torimura In this house, architectural elements such as stairs, a laundry space, closets, hand rails and toilets are made as if those are furniture. Except for those, there are only floors. As such, architecture and furniture are mingled and those meanings become relative each other, in which way I keep trying to create freedom in roomsas if all of those are just randomly placed and used by chance.  Image Courtesy © Koichi Torimura Like choreography notes I always think the way of dealing with stairs is important in houses, especially in small ones. One of the general methods is to place a stair at the middle of one room allocating functions on both sides. Although it maximizes usable area, it leaves the question if it brings rich spatial experience to live seeing every inch of the house and a stair all the time.  Image Courtesy © Koichi Torimura The ceiling of the dining room in this house is 3,776 mm in height, which is determined to make the space under the staircase landing usable as routing.By making it extremely thin, the rest of the height was divided into 1880mm downward and 1850mm upward. Although those are tight dimensions,you can go through between two layers minding your head.  Image Courtesy © Koichi Torimura I think it is favorable for a house to have such a scale of physical bodies. Therefore, the dining table was placed over the stair between the ground floor and the first floor leaving space for residents to pass under it. Bodies appear and disappear under the table as residents go up and down the stair.  Image Courtesy © Koichi Torimura Once you slide the entrance door and slip into inside of furniture, you reach under the dining table, where faced to a big wall receiving sun light coming through the south window. You see the white wall softly lit from the north as you step on the small stool. To the second floor, you step on the sofa, furniture like a drawer, and the thin stair. At every steps toward upstairs, light conditions change as the direction and the size of space change. Stairs as choreography for spatial experience of this small, thin space.  Image Courtesy © Koichi Torimura Structure As the site is located in the back of a narrow cul-de-sac and carrying-in by vehicle was limited, the structure with light materials such as 100mm×100m Hsteel sections for columns and beams, braceswith round bars,75mm deck plates for the floor constructionwas applied.Those resulted in reducing the amount of steel materials, and the total construction cost toabout as same asthat of a wooden house.  Image Courtesy © Koichi Torimura The horizontal stiffness of floorswas acquired with horizontal bracings of 6mm flat bars and 50mm squared tie beams beneath concave parts of the deck plates. Floors on different levels were fixed to the columns at both ends so that the continuity of stiffness between those was still kept.  Image Courtesy © Koichi Torimura  Image Courtesy © Koichi Torimura  Image Courtesy © Tato Architects  Image Courtesy © Tato Architects  Image Courtesy © Tato Architects  Image Courtesy © Tato Architects  Image Courtesy © Tato Architects
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