100年の古民家で育むベンチャー企業のラボ空間

Sansan 神山ラボ OMOYA

用途
サテライトオフィス居住棟
所在地
徳島県神山町
構造
木造2階改修
規模
延床面積105㎡
事業主
Sansan株式会社
構造設計
高田建築設計室
施工
施工:山田工務店
床フローリング:共栄木材工業
テーブル製作:カフェオニヴァ
竣工年
2020
写真撮影
鈴木久雄

sansan Kamiyama lab OMOYA

Lab space for a venture company nurtured in a 100 year old house

Reconfiguring an old private house to create a residential environment for satellite work
Sansan has established a satellite office, Kamiyama Labo, in Kamiyama-cho, Tokushima Prefecture, since 2010. On a site in a satoyama, an old private house, a barn, and a cow shed, all between 100 and 70 years old, stand at a good distance from each other. The NAYA and KOYA used as offices were already in place, and the 70-year-old OMOYA, which serves as an accommodation and training building, was to be renovated to improve the living environment and make it more comfortable for workers. However, the charm of the courtyard was not utilized because it faced the back of OMOYA's existing kitchen. The entrance dirt floor, located on the north side of the house, was dimly lit, and visitors would park on the west side of the house, pass between the KOYA and OMOYA, and approach through the kitchen's kitchenette, thereby losing the role of an entrance. Therefore, the existing kitchen was converted into a new meeting space, the entrance of the new OMOYA was made to open onto the cherry blossom terrace in the courtyard leading to the KOYA and NAYA, and the existing entrance dirt floor was made into a new dirt floor kitchen to make it an attractive place for visitors. In addition, the staircase, which was located in a position where people would bump their heads when passing under it, was placed in the 3-mat bedroom on the east side, and the walls of the corridor and the south bedroom were removed to reconfigure it into a simple ""taji-shaped"" plan. The Japanese-style room on the west side was made to be a single room that can be used as an independent bedroom for both the north and south sides. The earthen kitchen, dining room, and Japanese-style room were converted into an integrated space for cooking, dining, and training. Most of the roof, exterior walls, and wooden fittings were left as they were, and as much as possible of the pillars, beams, bamboo and clay walls, ceilings, long posts, and Kamoi gate were left as well, in order to harmonize the new additions with the old. The interchangeability of the old minka's ""tano-ji"" character and additional space plan was attempted, and by reconnecting the spaces, an architectural environment was created that responds to the needs of modern office workers for living, lodging, and training. For a generation that has not lived in an old private house since birth, we attempted to convey the history of the house and at the same time, renovate it in a way that would allow them to imagine their future work and lifestyle.

■Structural Overview
The existing minka is a classical frame structure, with beams and a roof built on vertical pillars and bamboo-mimai clay walls. Rather than replacing all of the soft structure with a hard structure, soft bearing walls were added to compensate for the amount of walls that were removed from the plan to make the overall structure soft enough to withstand earthquakes. The newly added load-bearing walls were constructed using the ""Rough Wall Panel Method,"" which combines a wooden bracing base with panels and plastered clay wall coatings, and is certified by law.


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