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Block reference points, etc.

Last Updated February 27, 2019

Land Registry and Survey Division manages and browses block reference points and basic survey reference points (basic survey of public-private boundaries in urban areas).

What is the block reference point?

The block reference point is a survey reference point (detic results 2000) developed by the Ministry of Land, Infrastructure, Transport and Tourism as part of the “Basic Survey on Urban Renewal Blocks”. Installed in the area.

From April 1, 2008, the management authority of the block reference point established in Yokohama city has been transferred from the Ministry of Land, Infrastructure, Transport and Tourism to Motoichi.

What is the basic survey reference point (Basic Survey of Public-Private Boundary in Urban Areas)

The basic survey reference point is a survey reference point (detics results 2011) developed by the Ministry of Land, Infrastructure, Transport and Tourism as the basis for cadastral surveys, and is installed in the Kamagaya district, Kanazawa-ku.

※Yokohama City Public Control Point (Getting Results 2011) is managed by Road and Highway Bureau. Specifically, please see "page of road investigation section".

Handling of survey results associated with the Tohoku-Pacific Ocean Earthquake

Regarding the block reference point in Yokohama City, it is the result of the geodetic results 2000 at the time of installation, and will not be revised to the results after the earthquake.

Inspections are performed as before, but the use of the survey results has not been approved.

Points to be managed

Land Registry and Survey Division manages block reference points established by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT). "Node" and "Auxiliary points" are not subject to management because they are temporary points, and are abolished on the same date as transfer to Motoichi.

Of the basic survey reference points, "basic triangle point" and "basic polygonal point" are also subject to management.

Photo of reference point which city managesUnmanaged reference point photos

About browsing

The results of the block reference point and the basic survey reference points can be viewed at the Land Registry and Survey Division Environmental Planning Bureau.

For more information, please refer to the "Land Registry and Survey Division Contact Information".

Management conservation

Most of the block reference points and basic survey reference points are installed on the road, so they may be affected by road excavation work. Therefore, we have established the "Yokohama City Block Reference Point Management conservation Guidelines" which describes procedures for general handling of block reference points and management conservation, etc., and strive to properly use block reference points.

About removal of block reference point

A notification of removal is required in advance.

Construction enforcer

In cases other than construction under the jurisdiction of Yokohama City

Block reference point removal approval application (No. 3 style)

In the case of construction under the jurisdiction of Yokohama City

Block reference point removal consultation document (No. 5 style)

Land owners, etc.

Block reference point removal bill (No. 7 style)

About relocation of basic survey reference point

Measures concerning the request for relocation of survey mark of the basic survey reference point stipulated in Article 30 of the National Land Survey Act are stipulated in the "Guidelines for Relocation of Basic Survey of Urban Areas Public-Private Boundary Basic Survey in Urban Areas".

Invoice for relocation of basic survey reference point (No. 8 style)

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For inquiries to this page

Environmental Planning Bureau General Affairs Department Land Registry and Survey Division

Phone: 045-671-2619

Phone: 045-671-2619

Fax: 045-662-3630

Email address: ks-chisekichosa@city.yokohama.jp

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Page ID: 631-688-508

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