感谢 株式会社日建设计 予gooood分享以下内容。更多关于：Nikken Sekkei Ltd
Appreciations towards Nikken Sekkei Ltd. for providing the following description:

本项目是日本古都京都的老牌衡器制造商株式会社石田（ISHIDA）位于东京的分公司新办公楼。虽然项目地块被高层公寓、国道和高速公路所包围，但其东侧的道路是连接新板桥地铁站和JR板桥站的重要街道，日夜行人络绎不绝。在本项目中，建筑东面作为连接街道的界面，办公室的活动在不知不觉间渗透到外部，为街区增添了活力。建筑下部则着眼于通过构建地区长廊以提升街道空间的品质。

This project is a new Tokyo branch office for Ishida, a long-established manufacturer of scales headquartered in Kyoto, the ancient capital of Japan. The site is surrounded by high-rise condominiums, a national highway, and an expressway, but the road to the east is an important local street that connects the Shin-Itabashi subway station and JR Itabashi station, constantly crowded with people day and night. The east side of the building was considered an interface with the city, where the activity inside will subtly spill out, adding liveliness to the cityscape. At the foot of the building, the focus was to create a community promenade by improving the quality of the street space.

▼建筑鸟瞰，Ariel view of the building ©Ken’ichi Suzuki

▼建筑街景，street view of the building ©Ken’ichi Suzuki

阶梯状连续的斜屋顶
A series of stepped, sloped roofs

本建筑独特的阶梯状斜屋顶外观是在遵守临街部分高度限制的同时，将连接3F到6F办公层楼梯的挑空空间予以忠实呈现而形成的。此外，外装由抛光PC预制板（预制混凝土）、切割铝面板、挤出成型水泥板和铝合金窗框等构成，施工上严格把控细节，采用通缝工艺，即以一条接缝线为界切换外装材料。由素面抛光PC柱构成的柱廊将入口空间掩于其后，既与城市空间形成软性隔断，又与外部空间融为一体。早上上班时，柱廊形成的光影交错为一天的开始增色不少，黄昏时的柔和光线又丰富了城市的表情。对于上部楼层而言，立柱包裹着内侧阶梯状倾斜的挑空空间，形成了一个人们可随意走动、自然通风的办公空间。

The building’s characteristic stepped appearance is a direct visualization of the atrium spaces above the stairs that connect the offices from the third to sixth floors, while keeping with the height restrictions. The exterior is composed of polished precast concrete (PC) slabs, aluminum cut panels, extruded cement slabs, and aluminum sashes, carefully designed so that the shift in materials happens at the joints. The entrance space is surrounded by a row of solid polished prestressed concrete columns, creating a soft boundary with the city while integrating the outside space. The light and shadow pattern created by the colonnade in the morning colors the beginning of the day, and at dusk, the soft light enriches the expression of the city. On the upper floors, the colonnade contains a staircase-like diagonal atrium space, creating a workspace where people can move, and the wind can blow through.

▼阶梯状斜屋顶外观，stepped, sloped roof ©Ken’ichi Suzuki

▼立柱包裹着内侧阶梯状倾斜的挑空空间，the colonnade contains a staircase-like diagonal atrium space ©Ken’ichi Suzuki

舒适的办公空间
A comfortable workplace

相对于体现了业主拥有尖端技术这一企业形象的刚毅简约的外观，建筑的内部空间更专注于如何让员工舒适地工作。办公空间分为两个区域，一个是天花板较高的开放式空间“白”区，另一个则是天花板较低、令人沉心静气的“木”区，工作人员可自由选择往返于两个区域的办公方式。

▼三层平面图，third floor plan ©日建设计

In contrast to the stoic, minimalist exterior that embodies the client company’s cutting-edge technology, the interior space focuses on worker comfort.

▼电梯间，Elevator room ©Ken’ichi Suzuki

▼电梯空间，Elevator room ©Ken’ichi Suzuki

“白”区充分利用了层高４m的建筑主体结构。简洁的天花板由涂有白色防火涂料、3600mm间距的钢梁和白色甲板面构成，表面被设计成抽象的光反射面。尽量减少机器设备，让人们能够感受到间接照明的柔和光线，打造出令人凝神静气的空间。光源既不会直射人眼，也不会映射到电脑屏幕上。空调出风和自然通风带来的外部空气沿着天花板面静静流动，丝毫不会引起工作人员的注意，形成非常舒适的环境。这种环境的实现是基于对建筑尺寸的调整和反复的环境模拟，以及现场施工阶段的仔细微调以及竣工后基于测定结果的进一步调整。

We proposed a work style in which workers can freely choose between two zones: an open “white” workplace with high ceilings, and a “wooden” zone with low ceilings and a calm atmosphere. The “white” zone is a space that makes the most of the 4-meter floor height by exposing the building frame. The simple ceiling, consisting of steel beams set at 3,600 mm pitch, painted with white fireproof paint and finished with a white deck, was designed as an abstract light-reflecting surface. Visible equipment was minimized, with the aim of creating a calm and focused space where people can feel only indirect, soft light. No light sources penetrate the eye, and no reflections can be seen on computer screens. Conditioned air and naturally ventilated outside air flow along the ceiling surface, creating a comfortable environment without being perceptible. This was realized based on a repetition of environmental simulations at the planning stage, careful fine-tuning on site, and further adjustments based on post-completion measurements.

▼打造出令人凝神静气的空间，creating a calm and focused space ©Ken’ichi Suzuki

▼“白”区，“white” workplace ©Ken’ichi Suzuki

与之相较，“木”区作为注重交流的木质空间，力求通过控制天花板的高度形成重心较低的人尺度空间。该区可以简单自由地改变家具的摆放和照明配置。斜向挑空空间和楼梯纵向连接3、4、5F的办公楼层及6F的展厅楼层，旨在激活楼层之间的立体沟通。此外，通过积极进行自然通风，打造清风徐来、阳光满溢的空间，使员工在工作的同时也能感受到城市中时间的流逝与街区的氛围。

▼剖面图，section ©日建设计

The “wood” zone, on the other hand, is a communication-oriented space with a low ceiling height, designed to create a human-scale space with a low center of gravity. The furniture layout and lighting arrangement can be easily and freely changed. The diagonal atrium and staircase connect the 3rd, 4th, and 5th office floors with the showroom/hall on the 6th floor and are intended to activate communication between the floors. Natural ventilation and lighting allow winds to flow through and natural light to flood the space, so that workers can feel the passing time and atmosphere of the city while they work.

▼注重交流的木质空间，a communication-oriented space ©Ken’ichi Suzuki

▼木质为主的办公空间，office space mainly used wood ©Ken’ichi Suzuki

▼激活楼层之间的立体沟通，activate communication between the floors ©Ken’ichi Suzuki

往来于“白”区与“木”区之间的办公模式反映了业主各部门和员工多样化的工作方式，也希望借此设计为日常活动注入新鲜活力。

We hope that the “white” and “wooden” zones will reflect the diverse work styles of the client’s various departments and individuals and stimulate their daily activities.

▼为日常活动注入新鲜活力，stimulate their daily activities ©Ken’ichi Suzuki

经济适用型ZEB（零能耗建筑）办公楼
Environmental variability creates a casual ZEB office

通过将各种经济通用型技术进行巧妙组合，并融入自然元素，打造出多样化的室内环境。伴随ABW（activity based working）工作模式下的人的活动，不均匀的室内环境在作为空间自身的魅力所在被大家接受的同时，提升了舒适性、健康性和节能性，建筑的能耗降低61%，实际运营达到准净零能耗（ZEB Ready）建筑的标准。

A diversity of interior environments was achieved by creatively combining inexpensive, general-purpose technologies and natural elements. With activity-based working gaining popularity, the variable indoor environment was accepted as an attractive feature that improves comfort, health, and energy conservation. The actual energy performance value is 61% above standard, achieving “ZEB ready” operational performance.

▼提升了舒适性、健康性和节能性，improves comfort, health, and energy conservation ©Ken’ichi Suzuki

无风感、无眩光的办公空间
A draft-free, glare-free workplace

空调采用利用康达效应(Coanda Effect)的无风管空调和地板吸气的One-way方式，可按照10.8m的跨距切换辐射/对流模式。通过实现没有上下温差和风感的高顶棚空间，在提高通风效率的同时降低了感染的风险。另外，还导入了将挑空空间作为重力通风通道的自然通风系统，利用采光顶等实现自然采光，也积极利用雨水等各种自然能源。

▼细部图，detail©日建设计

The air conditioning system is a one-way ductless system using the Coanda effect and floor suction, and the plan allows switching between radiant and convection modes at every 10.8 m span. A high-ceiling space with no vertical temperature difference and no draft was realized to improve ventilation efficiency and reduce the risk of airborne virus transmission. Natural ventilation was introduced by using the vaulted space as a gravity ventilation pathway, and natural resources were actively incorporated through features like natural top lights and rainwater utilization.

▼挑空空间，vaulted space ©Ken’ichi Suzuki

照明仅采用梁型的间接照明，实现了无眩光和高亮度感的光环境。在确保桌面照度为600lx的同时，实现6.5W/m²的功耗水平，并利用控制日光使用实现了节能。

A bright and glare-free environment was achieved through the exclusive use of indirect lighting in the form of beams. Power consumption of 6.5 W/m² is achieved while maintaining an illuminance of 600 lx on the desk surface, and energy is saved by controlled daylight usage.

▼夜景，night view ©Ken’ichi Suzuki

▼一层平面图，first floor plan ©日建设计

▼四层平面图，fourth floor plan ©日建设计

▼五层平面图，fifth floor plan ©日建设计

▼六层平面图，sixth floor plan ©日建设计

▼东立面图，east elevation ©日建设计

▼南立面图，south elevation ©日建设计

▼剖面图，longitudinal section ©日建设计

项目名称：石田东京第一大厦 ISHIDA TOKYO Regional Headquarters
项目用途：办公楼
项目位置：日本东京都
用地面积： 2,105.58㎡
建筑面积： 9,282.84㎡
建筑层数：６层＋设备间１层
檐口高度/最高高度： 29.908m/30.908m
主体结构：钢结构
竣工日期： 2021年5月
项目业主：株式会社石田
项目业主： ISHIDA CO.,LTD.
主创设计：日建设计
主要业务范围：基本规划／基本设计／实施设计／监理
施工单位：前田建设工业
项目摄影： Ken’ichi Suzuki

Project name：ISHIDA TOKYO Regional Headquarters
Usage： Office
Location：(Prefecture, city) Tokyo
Site area (m2)：2,105.58 m2
Total floor area (m2)： 9,282.84 m2
Number of floors： 6 levels above ground + 1 penthouse level
Eave height, highest point (m)： 29.908 m /30.908 m
Main structure： Steel
Completion date： May 20, 2021
Credits
Client： ISHIDA CO., LTD.
Lead architect：NIKKEN SEKKEI LTD
Main scope Concept design, Schematic design, Design development, Site supervision
JV, joint design, supervision, consultancy, etc. None
Construction company： Maeda Corporation
Other design collaborators： None
Photo credit (ja/en)：鈴木賢一写真事務所／Ken’ichi Suzuki

More：株式会社日建设计。更多关于：Nikken Sekkei Ltd

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