2022.12.20
MEP Engineering designers talk. Environment and Facility Idea Note Vol. 02
Lighting designs born from a variety of thoughts and environments
Shinryo Shinjyo Building
Making the most of disadvantages to create an attractive lighting plan
Shinryo Shinjyo Building, located in the city center, is taking on a number of new challenges, such as reducing the floor height to the limit while maintaining the ceiling height in order to obtain the maximum floor area within the height restrictions of the architectural plan. As a result, there is almost no space above the ceiling where equipment is usually installed, and the girders protrude into the office space.
To solve these problems, we came up with a lighting plan that takes advantage of the disadvantages of "attaching lighting fixtures to protruding beams." Generally, if lighting fixtures are not attached to the ceiling, the ceiling becomes dark, and even if the desk on which you work is bright, it tends to look like a "dark space." Therefore, here, a light guide plate lighting fixture that distributes light both upward and downward is attached to the beam, illuminating not only the downward surface but also the ceiling surface, ensuring illuminance on the work surface while creating a sense of brightness throughout the room. Furthermore, by adopting a task-ambient method in which task lights are used in conjunction with the work surface if there is insufficient brightness, we aim to further improve energy efficiency and contribute to achieving ZEB Ready.
Right: How light guide plate lighting works. In addition to being directed downward, the light is particularly strong directed upward at about 45 degrees.
Lighting inspired by lanterns
The planned site is close to Kanda Shrine, and the mikoshi (portable shrine) procession route for the Kanda Festival runs right in front of the building. In order to realize a lighting plan for facade façade that incorporates the atmospheric "shitamachi" feel, we aimed for a lighting design that would suit the night view of the alleyway, rather than a plan that would brightly illuminate the building itself, given that there is an apartment complex in front of the building.
Inside facade is also warm, creating a warm atmosphere, and while it is an environmentally friendly, cutting-edge building, it has an appearance that blends in with the downtown area.
Realizing eco-friendly operation through visualization of power consumption and collaboration with sensor technology
As an environmentally friendly building, the Shinryo Shinjyo Building not only incorporates technologies such as improved exterior performance, highly efficient air conditioning equipment, and solar power generation into its building plans, but also creates a visualization system that precisely measures the electricity used by lighting, outlets, air conditioning equipment, etc. to enable more eco-friendly operation after the building is completed, making it possible to understand how much electricity is being used by what equipment and when.
The measured data is collected in real time and can be viewed at any time on a web browser. In combination with occupancy detection sensors, this can be used to prevent people from forgetting to turn off the lights or air conditioning, and to eliminate waste through scheduled control time settings, thereby planning to continue using the building as a more efficient building with less environmental impact.
Designer's Voice
Designer
Electrical MEP Engineering Department / Joined in 2017
Masahiro Iida
Masahiro Iida
There were many aspects that were different from those of a typical office building, such as the lighting plan, solar power generation, visualization of electricity usage, and consideration for the surrounding environment, but by repeatedly coordinating with the client, we were able to create a better building, which made it an extremely rewarding project.
*Affiliation at the time of project assignment
Data
Property Name | |
---|---|
location | 2-9-2 Kandamachi, Chiyoda-ku, Tokyo |
Site area | 595.38㎡ |
Total floor area | 4,619.55㎡ |
scale | 9 floors above ground, 1 floor below ground |
height | 35.91m |
Completion | July 2020 |
Main Applications | Offices, residences |
Design and Construction Supervision | Mitsubishi Jisho Sekkei Inc. |
Construction | Obayashi Corporation (architecture), Shinryo Corporation (air conditioning), Shiroguchi Laboratory (sanitation), Daiei Electric (electricity) |
Awards |
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Update : 2022.11.10