Press kit no. 5706-02

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Press kit - Press release - Tammisto Electricity Substation - Kivinen Rusanen Architects

Press Kit | no. 5706-02

Press release only in English

Tammisto Electricity Substation

Vanda, Finland

Kivinen Rusanen Architects

Helsinki, Finland, 2024-07-04 -  The Tammisto Electricity Substation site in Vantaa has served the Helsinki metropolitan area as a central power grid hub for decades. The oldest systems on the site needed modernization to improve their reliability, capacity, and safety. To achieve this, the Finnish main grid operator, Fingrid Oyj, constructed a new building to house a 110 kV Gas-Insulated Switchgear (GIS) system, replacing an extensive, ageing air-insulated switchyard. The project also included the construction of new powerline structures, fences, a backup power generator, extensive landscaping, and fresh greenery. The construction process was carefully phased to minimize disruptions to ongoing substation and grid operations, and to ensure a smooth transition. The project also allows for future expansion of the substation's capacity, future-proofing it for the growing need for electricity.

The architectural goal was to give a unified appearance to the new and newly improved buildings and structures on the site, which also follows the objectives and regulations of Vantaa City's town plan. The design of the new substation building seeks to blend with a former historic substation and adjacent residential area, featuring facades of water-struck bricks with a lively variety of warm colour tones and textures.

The site, located near major transportation routes, commercial areas, residential neighbourhoods, and the Helsinki airport, is enclosed with a fence and controlled gate to restrict public access. It includes several buildings and structures, each with unique characteristics. The oldest and most iconic building is the Aarne Ervi-designed former substation, built in 1947. This building is a low, long structure with a tall transformer tower at one end, ornate red brick facades, and a gabled roof made of tiles. It has been converted into an office building and is protected under the city's zoning regulations. The substation site's other facilities include a 400 kV switchgear building, transformer bunkers, open switchyards, and power transmission structures. There are tall trees and preserved forest patches on the property as well.

The architecture of the new substation building aims to connect with the old substation building through its scale, massing and facade materials. It also aims to align with the adjacent residential area's scale. The old substation's two-part composition inspired the triangular cuts in the new building's mass. The building is divided lengthwise into three different sections defined by these cuts. At either end is a section providing access to the building and facilities that control or serve the whole building and its systems. The long centre section contains the main process equipment and cable rooms. The building features a two-story layout with serving spaces on the ground floor and the main GIS and control rooms on the second. The machine room sits above the control room.

The new building's facades use water-struck bricks in four different masonry patterns, highlighting the massing and the spatial arrangement. Detailing these different types of masonry patterns around right-angle, tight-angle, and wide-angle corners and openings required 13 different types of custom bricks. Detailed 3D models of the brick facades were used to produce drawings for each type of brick, and the supplier made the necessary moulds for all of them. The building has a frame in prefabricated concrete, and the double-skin facades are supported by a steel frame set in the cavity.

The south and north sections receive natural light through double-skin walls of lattice masonry, offset by about a metre from full-height glass curtain walls. The centre section is windowless, but the main equipment room receives indirect natural light via the spaces at either end. The lattice masonry lets natural light through, but it also fulfils the client's safety requirements and prevents direct visibility into the substation from outside.

The design brief also included improving two concrete transformer bunkers from the 1980s. Their facades were treated with Umbra colour patination, in which the patina's reagents penetrate the surface of the concrete and react with the cement to form reddish-brown, rusty-coloured compounds. The differing but harmonious reddish bricks used on the facades of the old and new substation buildings, combined with the earthy and rusty tones of Cor-Ten steel and Umbra-treated concrete, give the various structures of the substation site a warm, unified outlook.

The new substation building is located on the site's western edge, and the existing switchyard and power lines remained in operation during construction. After the technical installations were completed, the old air-insulated switchgear was taken offline, and the old power line structures were removed from the site.

The Tammisto Electricity Substation project seeks to give an architectural image to sustainable urban infrastructure development. It contributes to society's electrification, provides a reliable power supply, and aims to improve the aesthetic and cultural integrity of the site and the surrounding landscape.

Technical sheet

Tammisto Electricity Substation
Location: Vantaa, Finland
Client: Fingrid Oyj
Client's project manager: Jarmo Henttinen
Lead Architect: Tuomas Kivinen
Design team: Anna Blomqvist, Maria Karjalainen
Completion: 2023
Total floor area: 1705 sqm
Construction costs: 6,1M Euro
Photography: Max Plunger, Tuomas Kivinen

Awards:
Architecture MasterPrize 2023: Winner
ICONIC Awards 2023: Innovative Architecture, Winner

Nominations:
World Architecture Festival 2023, Finalist, Completed Buildings – Production, Energy and Logistics category

About Kivinen Rusanen Architects

Kivinen Rusanen Architects aims to create architecture that reflects the value of their clients' projects and their importance to society. They strive to show how their projects contribute to prosperity and well-being, strengthen sustainability, advance technology, and promote culture.

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For more information

  1. kivinenrusanen.fi

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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Site view facing South. The new substation is on the right, and the old, former substation is on the left. - Photo credit: Tuomas Kivinen
Site view facing South. The new substation is on the right, and the old, former substation is on the left.
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 11.11 @ 300dpi ~ 16 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - View of the new substation building from the Northeast - Photo credit: Tuomas Kivinen
View of the new substation building from the Northeast
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 11.11 @ 300dpi ~ 20 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - The South Section of the new substation building, with the main entrance at the corner of the two facades - Photo credit: Tuomas Kivinen
The South Section of the new substation building, with the main entrance at the corner of the two facades
Photo credit: Tuomas Kivinen
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High-resolution image : 11.11 x 16.67 @ 300dpi ~ 19 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Photo credit: Tuomas Kivinen
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 11.1 @ 300dpi ~ 19 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Partial view of the East facade - Photo credit: Tuomas Kivinen
Partial view of the East facade
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 11.11 @ 300dpi ~ 20 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - View of the new substation building from the Southwest - Photo credit: Tuomas Kivinen
View of the new substation building from the Southwest
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 11.12 @ 300dpi ~ 14 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Partial view of the West facade - Photo credit: Max Plunger
Partial view of the West facade
Photo credit: Max Plunger
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High-resolution image : 13.08 x 16.67 @ 300dpi ~ 8 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Corner detail view showing three different masonry patterns - Photo credit: Tuomas Kivinen
Corner detail view showing three different masonry patterns
Photo credit: Tuomas Kivinen
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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - The double-skin cavity of the facade in front of the control room - Photo credit: Tuomas Kivinen
The double-skin cavity of the facade in front of the control room
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 12.37 @ 300dpi ~ 19 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - The control room on the first floor<br style=""> - Photo credit: Tuomas Kivinen
The control room on the first floor
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 13.33 @ 300dpi ~ 10 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - The main equipment room on the first floor<br style=""> - Photo credit: Tuomas Kivinen
The main equipment room on the first floor
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 15.16 @ 300dpi ~ 12 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - The main equipment room on the first floor<br style=""> - Photo credit: Max Plunger
The main equipment room on the first floor
Photo credit: Max Plunger
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High-resolution image : 16.67 x 13.11 @ 300dpi ~ 4.6 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Custom bricks - Photo credit: Tuomas Kivinen
Custom bricks
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 11.11 @ 300dpi ~ 14 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - North-West corner of the new substation building with the old substation in the background - Photo credit: Max Plunger
North-West corner of the new substation building with the old substation in the background
Photo credit: Max Plunger
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High-resolution image : 15.19 x 16.67 @ 300dpi ~ 6.8 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - The Umbra-treated existing transformer bunkers<br style=""> - Photo credit: Tuomas Kivinen
The Umbra-treated existing transformer bunkers
Photo credit: Tuomas Kivinen
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High-resolution image : 16.67 x 11.12 @ 300dpi ~ 10 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Site plan - Photo credit: Kivinen Rusanen Architects
Site plan
Photo credit: Kivinen Rusanen Architects
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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - East-West area section through the site, facing South - Photo credit: Kivinen Rusanen Architects
East-West area section through the site, facing South
Photo credit: Kivinen Rusanen Architects
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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Ground floor plan - Photo credit: Kivinen Rusanen Architects
Ground floor plan
Photo credit: Kivinen Rusanen Architects
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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - First floor plan<br style=""> - Photo credit: Kivinen Rusanen Architects
First floor plan
Photo credit: Kivinen Rusanen Architects
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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Second floor plan<br style=""> - Photo credit: Kivinen Rusanen Architects
Second floor plan
Photo credit: Kivinen Rusanen Architects
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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Sections - Photo credit: Kivinen Rusanen Architects
Sections
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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Facade drawings - Photo credit: Kivinen Rusanen Architects
Facade drawings
Photo credit: Kivinen Rusanen Architects
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Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Wall section through lattice brickwork and partial facade drawing<br style=""> - Photo credit: Kivinen Rusanen Architects
Wall section through lattice brickwork and partial facade drawing
Photo credit: Kivinen Rusanen Architects
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High-resolution image : 16.67 x 11.11 @ 300dpi ~ 3.4 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Wall sections and partial facade drawings<br style=""> - Photo credit: Kivinen Rusanen Architects
Wall sections and partial facade drawings
Photo credit: Kivinen Rusanen Architects
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High-resolution image : 16.67 x 11.11 @ 300dpi ~ 5.5 MB

Press kit | 5706-02 - Press release | Tammisto Electricity Substation - Kivinen Rusanen Architects - Industrial Architecture - Custom brick diagrams<br style=""> - Photo credit: Kivinen Rusanen Architects
Custom brick diagrams
Photo credit: Kivinen Rusanen Architects
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High-resolution image : 16.36 x 10.88 @ 300dpi ~ 7 MB

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