STAGE1 KEGO
Hiroshi Mizusaki
製品スペックシート

エレメントブランド商品名
ConcreteKEIM
Stainless Steel Door Handled line
Universal Outdoor Downlight DAIKO
Stainless Steel PostNasta
Stainless Steel Door HandleUNION

製品スペックシート
Concrete
KEIM さんの
Stainless Steel Door Handle
d line さんの
Universal Outdoor Downlight
DAIKO さんの
Stainless Steel Post
Nasta さんの
Stainless Steel Door Handle
UNION さんの

STAGE1 KEGO

CASE-REAL Architects として

A new tenant building project in the center of Fukuoka. The area surrounding the planned site is a commercial district with a mix of restaurants, general merchandise stores, and parking lots. The client approached us to consider an appropriate building for a compact site of approximately 72sqm in a corner of this commercial area. The client’s wish was to have an attractive tenant access to this location. After repeated discussions, we settled on a low-rise building of high quality, rather than a towering high-rise. Furthermore, in addition to creating the right impression on the exterior, providing a space where tenants can easily compose attractive plans was considered important for the quality and appeal of the building.

photo_credit Hiroshi Mizusaki
Hiroshi Mizusaki
photo_credit Hiroshi Mizusaki
Hiroshi Mizusaki

The first issue to be addressed was how to mount the staircase. Generally, in low-rise tenant buildings similar to this one, staircases are usually hung so that they start climbing close to the front road in consideration of access to the upper floors. As a result, the staircase would have a strong presence on the façade, and the second floor entrance would inevitably be located on the opposite side of the front road. Thus, when envisioning the actual interior layout, it was anticipated that the kitchen and other backyard functions would have to be laid out on the front road side, where the environment is actually more favorable. Therefore, we intentionally chose to hang the staircase in an inverted manner. In this way, we envisioned that it would be easier to lay out the backyard functions on the rear side of the building on the second floor, as well as to plan efficient piping from the external facility space by using a down-slab floor on the rear side of the building.

photo_credit Hiroshi Mizusaki
Hiroshi Mizusaki
photo_credit Hiroshi Mizusaki
Hiroshi Mizusaki

While floor space is often an important consideration for ordinary tenant buildings, priority was given to organizing the façade design while securing a reasonable amount of floor. More specifically, we did not incorporate the back of the stairs as part of the interior, nor did we extend the second floor. Instead, we designed a homogeneous box-shaped volume with a 4-meter-high floor height on each floor, and a simple box-shaped staircase. The impression of the facade, were as important as the floor size. The staircase was constructed with reinforced concrete cantilevers (cantilever beams), to which stainless steel panels were assembled using L-angles. The panels were connected to each other via a handrail to give the staircase strength as a whole, while reducing the number of necessary parts to create a minimalistic impression. A pale green-gray protective coating was used for the concrete finish to match the tone of the staircase area, blending in with the overall color scheme of the building while differentiating the interior and exterior from the surrounding buildings.

photo_credit Hiroshi Mizusaki
Hiroshi Mizusaki

Team:
Architects: CASE-REAL
Schematic Design, Design Development, Design Supervision:
Koichi Futatusmata, Sanae Furusato (CASE-REAL)
Contract Design: Haruka Higuchi (Kyushukensetsu Co.,Ltd.)
Contraction: Kosuke Yamamoto, Yuta Makino (Kyushukensetsu Co.,Ltd.)
Structural Engineer: Eiji Shiramizu(Hinata Structural Design Office Co.,Ltd.)
Photographer: Hiroshi Mizusaki

photo_credit Hiroshi Mizusaki
Hiroshi Mizusaki

Materials used: 
Door handle: Stainless steel, D line
Door handle: Stainless steel, UNION
Post: Stainless steel, Nasta
Outdoor light: Universal downlight, DAIKO
Protection for concrete: KEIM Concrete, KEIM

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