Urban planning Vantaa wants to expand Kivistö in a new residential area – Design is guided by an almost invisible spore plant

The rock formation will expand to the southeast into a new residential area for 1,200 people.

How to adapt effectively built residential blocks to the feel of a busy train station if protected species such as the flying squirrel and the decaying moss thrive in the area?

Such mediation has been made in the center of Kivistö in Vantaa, where the town plan of the new residential area Lumikvarts is currently on display.

Lumikvartsi is located more than half a kilometer from Kivistö train station, south of the Ring Road.

Housing for 1,200 people has been zoned for more than five hectares of forest. On its west side is Onnenkivenpuisto, Kivistö’s new shopping center and other downtown functions. To the south is Tikkurilantie.

From decaying moss has only been observed in places in the Snow Quartz area, but it has been found on the north-south route of flying squirrels, marked Happiness Park.

Decaying moss is a special, almost leafless deciduous moss from old forests that grows on decaying tree trunks. Its spore colonies emerge in the fall.

To support the central nature trail of Onnenkivenpuisto, an east-west green zone has been planned for Lumikvartsi, which will eventually extend to the new Lapinkylä station.

“Through Onnenkivipuisto, flying squirrels can cross the Ring Road. The decaying mosses, on the other hand, are a sign of the quality of this forest area, ”says Kivistö’s regional architect Anna-Riitta Kujala.

The principle of building the center of Kivistö is to build close to the stations so that the largest possible area elsewhere is saved from construction.

Kivistö’s new apartment buildings have so far been built on the north side of the Ring Road.

Snow quartz was designed before the Supreme Administrative Court (Supreme Administrative Court) yearbook decision on rotting moss. In May, the Supreme Court decided that in Ruukinranta, Espoo, the occurrence of rotting moss may be relocated from a construction site that threatens its survival.

According to the permit conditions, the transfer had to be carried out under the guidance of an expert, other spruce wood suitable for the species had to be transferred in the vicinity of the stocks, the success of the transfer had to be monitored ten years after the transfer and reported annually to the Center for Economic Development, Transport and the Environment.

At the end of June, a Government decree also entered into force, which removed the status of the rot moss as a specially protected species.

Underlying these changes is the fact that over the past couple of years, rotten moss has learned to recognize more than just its easily detectable spores. Thousands more have been found in the metropolitan area alone.

The decaying moss is most easily identified by its spores, which are seen in the trunks of decaying trees in the fall.

Uusimaa ely center’s leading expert Ilpo Huolman estimates that, following these changes, the ely center will no longer set out to demarcate areas where the species occur.

He emphasizes, however, that rotten moss is still a species whose favorable level of protection must be maintained. This still does not require keeping every instance in place.

In Vantaa, rotting moss already occurs in several protected areas, and the new master plan includes more of these protection reserves.

The decaying moss also occurs in the vicinity of Lumikvartsi, in the Kivisttöhti area, the town plan of which was approved by Vantaa City Council last November. The formula has been complained about precisely because of the rotten moss.

Vantaa has planned Kivistöntähti kindergartens, retail premises and apartments for about 1,500–1,600 people. Onnenkivipuisto has been zoned for the route of the flying squirrels, on the east side of which the now-planned Snow Quartz is located.

The zoning care must be taken not to erode the presence of protected species. However, when new town plans are drawn up, the quality of housing must also be safeguarded.

A particular problem in the center of Kivistö a couple of years ago was that many small apartments of the same type were completed in the area at the same time, causing the market to become clogged.

Since then, Vantaa has outlined that a maximum of 10 per cent of the apartments in an apartment building may be.

In the construction sector drawn on the town plan, the external dimensions of the houses can also be directly affected. The slender construction industry prevents the emergence of deep-framed, mid-corridor houses on which small tubular dwellings are built. Many architects consider deep-framed houses to be particularly problematic for the quality of living.

“In the houses of Lumikvartsi, the frame depth is 12–14 meters, which means that they cannot have tubular dwellings,” says Kujala.

In Kivistö, Vantaa, the goal is to make living in the vicinity of the train station so that nature can be saved elsewhere. Regional architect Anna-Riitta Kujala describes the formula of the Snow Quartz residential area as very effective.

Snow quartz In the plan work, Vantaa has for the first time utilized Spacemaker software, which agilely shows how the massaging of buildings affects the daylight, noise or wind conditions and microclimate of blocks.

These conditions have typically been mapped as consultant work that takes up its own time. Consultant studies had not yet been abandoned when planning the Snow Quartz.

According to Kujala, Spacemaker has significantly speeded up the work.

“For example, the software supports maximizing daylight in homes,” he says.

Housing quality has also been pursued by bundling the cable runs and piping of the blocks in a single line in the street area, which saves underground space for plantations in different parts. An even greener end result would be achieved if the underground infrastructure were placed in an infrared tunnel.

The versatility of housing has been increased in the block of three-storey terraced houses. We want to offer people alternatives.

“However, this is a very effective formula, as it should be in the vicinity of the train station,” Kujala says.

More than 58,000 square meters of floor space is permitted in the housing, located in six residential blocks. At their highest, the buildings rise to 11 floors next to the Ring Road.

Read more: Kivistö in Vantaa finally gets services – The shopping center has been waiting for 14 years

Read more: The metropolitan area is overcrowded, worried scientists say, “Have we built a social problem?”



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