Removal of residual soil

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Miss Maglev
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Removal of residual soil

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Oshika Village, Matsukawa Town, Nakagawa Village, and JR Tokai establish "Linear Liaison Association" for full-scale removal of residual soil


 The village of Oshika, the neighboring town of Matsukawa, the village of Nakagawa and JR Tokai, the operator of the project, have established a liaison council for the safety of transporting soil generated by the Linear Central Shinkansen, in order to coordinate the traffic of transporting vehicles in anticipation of the full-scale transport of soil outside of Oshika village in the second half of this year. The meeting was held in Oshika.

Source (Japanese): https://www.chunichi.co.jp/article/254175?rct=nagano
Accessed: May 15, 2021
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Miss Maglev
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Leftover Soil from the Linear-Maglev tunnel constuction on the Site of a Former Waste Yard

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Komakane City, Japan, to Put Leftover Soil from the Linear-Maglev tunnel constuction on the Site of a Former Waste Yard

Summary of a Japanese report on Nagano Nippo Web: http://www.nagano-np.co.jp/articles/78334 Accessed on June 2, 2021

Komakane City has announced at a meeting of the city assembly on June 1 that it will soon sign a basic agreement with JR Tokai in order to study the concrete use of soil generated from the construction of the Linear Maglev line in order to backfill the abandoned waste site in Kamiakasu. In March, the city council held a briefing session for landowners, related wards, and residents' associations on the proposed route for the delivery of soil and the use of the site, and will discuss the specific division of roles with JR.

The former site is about 8,411 square meters. It had been managed by contractors in the city and Nagano City, but had been abandoned for almost 10 years. For safety reasons, the city acquired the land as a donation and has been discussing with JR to use the soil generated to backfill the site.

According to the city government, it intends to turn the site into a "multipurpose plaza-like facility," like a playground, and has received many comments and requests from the participants at the briefing session held in March.

The basic agreement is scheduled to be signed around the end of June. The city plans to confirm that the design and construction will be carried out by the city, and that JR will bear the costs related to the transportation of soil and land development.

Source: Nagano Nippo Web: http://www.nagano-np.co.jp/articles/78334 Accessed on June 2, 2021
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Miss Maglev
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Maglev tunnel near by uranium deposits?

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Where does all the toxic waste go? Linear Maglev tunnel to run near by uranium deposits?


English translation of parts of an Asahi News report: https://www.asahi.com/articles/photo/AS ... 01730.html Accessed: July 2, 2021.

 A white building can be seen in the peaceful mountains of Mizunami City, Gifu Prefecture. It is the plant for the Minamigaito emergency exit leading to the Hiyoshi Tunnel of the Central Linear Railway. The plant is used to sift the soil left over from the tunnel excavation into "soil requiring countermeasures," which contains toxic substances, and "healthy soil".

 Japan's largest uranium deposit is located in the vicinity. The underground tunnel is planned to run between the four deposits, including Tsukiyoshi and Misano.

 Based on the boring survey conducted by the Power Reactor and Nuclear Fuel Development Corporation (formerly known as the Japan Nuclear Fuel Limited), JR Tokai said that the line avoids uranium deposits. Based on this, the company is continuing to analyze the soil left over from a total of about three kilometers of the slanting and main shafts from the emergency exit at Minamigaki-gai, which pass through strata where uranium tends to accumulate. So far, they have not detected any uranium or radon gas exceeding the standard values.

 On the other hand, "We can't rest assured at all," said Masahiko Kawamoto, 77, of the Kasugai Linear Question Association, which measured radiation levels on the ground surface and in the air at six points around the site from 2016 to 2018.


English translation of parts of an Asahi News report: https://www.asahi.com/articles/photo/AS ... 01730.html Accessed: July 2, 2021.
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Eurorapid
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opposition against tunnel soil disposal sites

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リニア残土の御嵩町民説明会 町外開催のJRに不信感

Mitake residents distrust JR's decision to hold a meeting outside of town to explain about the remaining soil from the linear railway

Summary and translation of a Japanese News report: Asahi https://www.asahi.com/articles/ASP726RQ0P6YOIPE02L.html Accessed 2021-07-03

On July 11, the Central Japan Railway Company (JR Tokai) will hold a briefing session for the first time for residents of the town of Mitake in Gifu Prefecture, which is planning a permanent disposal site for soil left over from the construction of the Central Linear Railway. However, the venue will be in the neighboring city of Kani in the same prefecture, about 10 kilometers away. It is said to be the result of consultation with the town on measures to combat the spread of the new coronavirus, but some have questioned JR's decision to hold the briefing outside the town, where there is opposition from the townspeople.

 JR plans to build permanent disposal sites at two locations in the town, including one on town-owned land. The town, which once opposed the industrial waste disposal site plan in a referendum, is concerned about the impact of the development on valuable plants and birds, and soil contamination from heavy metals that may be contained in the leftover soil. [...] JR has only explained the situation to town officials, town council members, and local residents.


Source: Asahi https://www.asahi.com/articles/ASP726RQ0P6YOIPE02L.html Accessed 2021-07-03
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Miss Maglev
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Re: Removal of residual soil

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JR Tokai held a briefing session for the residents of Mitake Town in Kani County, Gifu Prefecture, on the issue of JR Tokai's request for the town to accept the establishment of a permanent disposal site for the remaining soil, including soil requiring countermeasures, generated from the tunnel construction of the Central Linear Railway. The townspeople voiced their concerns about safety measures and other issues.

 The briefing was held twice, in the morning and afternoon, for the residents of the area near the planned site of the permanent repository, with a total of about 30 people in attendance.

 According to JR, at the briefing, a plan was explained on how to manage the soil that needs to be dealt with, by alternately layering two impermeable sheets and three non-woven fabrics to cover and contain the soil. He also said that he would continue to explain the plan to the townspeople.

 According to the attendees, it was explained that the water shield sheet would have a useful life of about 100 years under the shaded condition, but some of the townspeople said, "It is not permanent. According to one of the attendees, it was explained that the service life of the barrier sheet is about 100 years when it is shaded. They also voiced their concerns about what would happen to the remaining soil in the event of a disaster, referring to the fill that collapsed during the landslide in Atami City, Shizuoka Prefecture.


Info based on Japanese Media reports: https://www.gifu-np.co.jp/news/20210711 ... 86386.html Accessed on July 11, 2021-
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Eurorapid
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Re: Removal of residual soil

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JR Tokai is planning to set up two sites in the town of Mitake as disposal sites for the residual soil generated from the tunnel construction of the Central Linear Railway. 
 Some people in the town are concerned about the possibility of soil contamination due to heavy metals contained in the overburden.
 JR Tokai has proposed the use of water shield barriers and other measures to control the disposal site, but the town has temporarily refused to install them, claiming that the environmental measures are insufficient.


Summary of a Japanese report: https://news.tv-asahi.co.jp/news_societ ... 22200.html Accessed: 2021-07-12
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Miss Maglev
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Soil from linear construction '60 to 70 times' larger than Atami's spilled fill

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In a press conference on July 13, Governor Heita Kawakatsu of Shizuoka Prefecture said that the damage caused by the soil generated from the tunnel construction of the Shizuoka section of the Linear Central Shinkansen planned by JR Tokai is unimaginable if it is caught in something like a mountain tsunami and collapses.


Info based on: https://www.nikkei.com/article/DGKKZO73 ... 1A7L61000/ Accessed: 13.07.2021
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Miss Maglev
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Hayakawa: About 400 dump trucks pass through the town

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In the town of Hayakawa, Yamanashi Prefecture, the construction of the Yamanashi section of the Minami-Alps Tunnel for the Central Shinkansen Line is underway.As of July, the number of dump trucks passing through the town is about 400 per day, close to the 465 that JR Tokai expects during the peak construction period.

The town has about 3.3 million cubic meters of leftover soil from the linear construction work, which will be placed at one main storage site and nine temporary storage sites in the town. Along the prefectural road near Hayakawa-Kita Elementary School in the town, there are many piles of soil piled up to five meters high, and the traffic of dump trucks is particularly heavy.

According to JR Tokai, the height of the fill soil for the Shizuoka construction area, which will be located near Tsubakurosawa in the upper reaches of the Oi River, will be 65 meters, and the soil will be piled in a stair-like structure with steps every five meters in height in accordance with Shizuoka Prefecture's standards for examining permission for forest land development. The rainfall intensity of the drainage facilities will be designed to be stronger than the prefectural standard of withstanding "heavy rainfall with a probability of occurring once every 10 years," according to the prefectural expert panel. The prefectural government says it has not sufficiently examined the stability and safety aspects of the project and that further discussions are needed. It is assumed that the remaining soil will be transported mainly by dump truck.


Info is summary based on Japanese Media report: https://www.at-s.com/news/article/shizuoka/937198.html Accessed: 2021-07-30
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