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Guide of the earth and sand disaster manual

Last update date March 13, 2019

Evacuation security program planning manual of 1 Yokohama-shi tower facility required

In late years quantity of "local heavy rain" to be generated in various parts of Japan and rain which it rains by "torrential rainfalls" in one hour increases to about 1.5 times when the number of times more than 50 millimeters compares the average number of times for ten years of the Showa era from 53 through 62 and the average number of times from 1998 to 19 years for 10 years. In addition, the number of outbreak of the earth and sand disaster increases to about 1.5 times equally, and holy human life is lost in various parts of Japan by landslide and mud flood. Particularly, special elderly nursing home is hit by China, North Kyushu heavy rain in July, 2009 by mud flood, and seven people die and bring big damage. In addition, by some revisions of law about promotion of preventive measures against earth and sand disasters in landslide warning areas of June, 2017, making of securing of evacuation plan, conduct of training based on that were required in tower facility required.
A lot of cliffs exist even if we put in Yokohama-shi, and it is expected once that it is big disaster about human life when landslide is generated. Therefore, in this section, we introduce about manuals of plan that owner of facility or managers make.
We have you utilize this manual to protect ensuring safety and human life of user of landslide warning area (※ 1) or tower facility located at the earth and sand disaster black spot (※ 2) required and would appreciate your maintaining plan for evacuation to head of facility and the staff.

※What is 1 landslide warning area?
When collapse of slope occurs, it is area admitted that harm might occur to citizen's life body.
Kanagawa carries out field work; and area-designated; do.

<reference>
◆ Reading of landslide warning area notification book: Homepage (the outside site) of the Kanagawa erosion control shore section
Picture of cliff place
◆Landslide warning area designated requirements◆
<in the case of cliff place>

  • Area with 5m or more height and with 30 degrees or more slope
  • Horizontal distance is area within 10m from the upper end of cliff place
  • Area that is double the height of steep slope from the bottom end of cliff place (when we exceed 50m 50m)

※ "Special caution area" is not appointed now in the city.

※What are 2 earth and sand disaster black spots?
It is point with potential danger about the earth and sand disaster that Kanagawa appointed in 2002.
We did not show range of outbreak and damage of the earth and sand disaster.
In addition, is going to be appointed after the field work conduct of Kanagawa sequentially as landslide warning area about the earth and sand disaster black spot.

<reference>
◆ Designated point number in the city: 1,448 (breakdown: 1,445 steep slopes, mud flood three)
◆ Reading of the earth and sand disaster black spot map: The Kanagawa erosion control shore section homepage (the outside site)

"Evacuation security program planning manual of Yokohama-shi tower facility required" and "evacuation security plan model"
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Offer of information about 2 caution evacuation

From ward office (General Affairs Division), we transmit information about caution evacuation necessary to protect the body from the earth and sand disasters such as weather information (heavy rain warning), landslide alert information (※ 1) and evacuation preparation information (※ 2) to a part of tower facility (in the range of tower facility required from this) located in landslide warning area required and entrance system pivot tower facility to be located at the earth and sand disaster black spot using facsimiles.
Picture of transmission
※What is 1 landslide alert information?
When the risk of landslide and mud flood increases by heavy rains, it is information that Yokohama Local Meteorological Observatory and Kanagawa jointly announce.
Yokohama-shi divides in the northern part and the southern part and is announced.

The announcement prediction areas object ward name
Northern Tsurumi Ward, Kanagawa Ward, Asahi Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Izumi Ward, Seya Ward
Southern Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, Isogo Ward, Kanazawa Ward, Totsuka Ward, Sakae Ward

※2 evacuation preparation informations
It is information that Director General or the mayor announces at stage when "tower needing time for evacuation action required" must start evacuation.
In tower facility required, please start evacuation action promptly.

Picture of transmission

Picture of transmission


Picture of transmission
Picture of transmission
<photograph: The Kanagawa erosion control shore section offer>

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General Affairs Bureau crisis Management Department area Disaster Prevention Section

Telephone: 045-671-3456

Telephone: 045-671-3456

Fax: 045-641-1677

E-Mail address [email protected]

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Page ID: 779-785-340

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