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  • Pettanco House

    Type:House/Location:Matsumoto,Nagano,Japan/Design:2014-15/Construction:2015/Consultant:Low Fat Structure,hondaGREEN/Structure:Timber/Contractor:Takeigumi/Site area:230m2/Built area:86m2/Total floor area:106m2

    長野県松本市に位置する夫婦と子供のための住宅。敷地は西側と北側が道路、南側が川であり三方に開かれている。建主は江戸指物師4代目の工芸家であり将来的には制作した家具等のギャラリーにもなるように計画。地元のカラマツ材を使い、床面積を確保しながらもローコストであることが求められたため、建物の高さを抑えることとシンプルな形状を心掛けた(1F床を土台より下げ、更に最も長い材を必要とする棟の部分の通し柱においても土台上端から梁下端までを4mとすることで、一般的な流通無垢材1本でつくることができる。つまり平屋のような建て方でありローコストに繋がる)。 平面計画は短手四間長手六間。長手方向に水勾配をとる切妻屋根で、中央の高くなった部分に2階を持つ。玄関は妻入りではあるが、ギャラリーとして使う際には南からの平入りも可能。川が流れる南から北に向ってパブリックからプライベートへとゾーンが移り変わる。屋根に設けたドーマーからは光が降り注ぎ、風が抜ける。また1階の薪ストーブは南北の吹き抜けや個室の欄間、2階床のルーバー等によって建物全体の熱環境を整える。 *『ペッタンコハウス』は建主の娘さん(5歳)が命名

    Pettanco house is located in Matsumoto, Nagano, deep in the region referred to as the Japanese Alps. Surrounded by mountains the town is also provided with many rivers. This site faces a river to (the south) and two roads (one on the west and one on the north side). Since the Edo period the town of Matsumoto is known for the wood craftsmen. The client is also a wood craftsman, In addition to the spaces of the house his special request was a gallery space to show his works. All to be achieved within the constraints of an efficient budget, so we kept a low height and simple shape in mind. We decided to use the local material Japanese Larch for the structural frame, exterior walls and floor as it is locally produced and consumed. The plan utilizes the Japanese module of 4ken x 6ken (1ken=1.82m). The 2nd floor is located in the middle of the house in the space created by the section of the gabled roof structure. The house has two entrances west side for family and south side for customers. The function changes from public to private as one move from the south to the north just as the river flows through the site. Natural light and air come in from the roof dormer. The wood burning stove warms the entire house through the void and transom windows of the private rooms. * "Pettanco" means "Squashed" in Japanese. A name given by the client’s daughter.