Enforcement record

Directive against 戸沼岩崎建設株式会社

戸沼岩崎建設（株） (Construction Business Act)

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Construction Business ActHokkaido Regional Development BureauConfirmed entity match19 October 2023

Action type

Directive

Law

Construction Business Act

Authority

Hokkaido Regional Development Bureau

Action date

19 October 2023

Current page: Enforcement record

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Source verification

Public-source and preservation status

Publishing authority: Hokkaido Regional Development Bureau
Official source URL: Recorded by RegBase
Entity match: Confirmed against the current entity-resolution policy
Kiroku preservation: Archive not completed

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/api/v1/enforcements?corporate_number=7440001001418&limit=10

Open JSON Specs

Action summary

Company: 戸沼岩崎建設株式会社Japanese original
Original: 戸沼岩崎建設（株）
Corporate Number: 7440001001418
Entity match: Confirmed entity match100/100Machine checked
source_corporate_number_nta_current_name
国税庁法人番号データとの独立照合で対象法人を確認しました（source_corporate_number_nta_current_name）。
Governing law: Construction Business Act
建設業法
Action type: Directive
指示
Action date: 19 October 2023
Issuing authority: Hokkaido Regional Development Bureau
北海道開発局
Industry context: 建設業者

Violation

Machine-translated summary — verify against original

On September 5, 2022, at a slope construction site in Fukuyama, Mie Prefecture, a worker employed by a secondary subcontractor fell from a slope approximately 16.4 meters high with a 66-degree incline and died. The site’s conditions made it difficult to set up scaffolding or other work platforms, requiring the use of fall-prevention harnesses. The company and its officers did not take these measures, leading to a violation of the Labor Safety and Health Law, for which they received a summary order from Hakodate Summary Court on July 7, 2023, with the sentence finalized. This incident constitutes a violation under the Construction Business Act, Article 28, Paragraph 1, Item 3. The Hokkaido Development Bureau issued an instruction to address this violation, including measures to prevent recurrence, such as informing officers and staff, strengthening safety management, and conducting ongoing training to ensure compliance with relevant laws.

Show original Japanese text

戸沼岩崎建設（株）が１次下請業者として法面工事を請け負った北海道松前郡福島町における幹線林道改良工事において、令和４年９月５日、ロープ高所作業を行っていた２次下請業者の労働者１名が法面から墜落し死亡する事故が発生した。事故が発生した作業場所は高さ約１６．４メートル、傾斜約６６度の箇所で、墜落により労働者に危険を及ぼすおそれがあり、かつ、作業の性質上、足場を組み立てる等の方法により作業床を設けることが困難であったため、労働者に要求性能墜落制止用器具を使用させて墜落による労働者の危険を防止するための措置を講じなければならなかったところ、その措置を講じないまま同作業を行わせたことにより、同社及び同社の役職員が令和５年７月７日に函館簡易裁判所より労働安全衛生法違反で略式命令を受け、その刑が確定している。このことが、建設業法第２８条第１項第３号に該当すると認められる。

Business location and permit details

Business location address: 北海道函館市湯川町２－２１－２
Representative: 戸沼淳
Permit / registration number: 国土交通大臣許可（特－４）第24854号
Permitted business types: Civil engineering works, Building works, Carpentry works, Scaffolding, earthwork, and concrete works, Steel structure works, Paving works, し, Landscaping works, Water facilities works, Demolition works
Legal articles: 建設業法第28条第1項（第3号該当）
Cause of action: 戸沼岩崎建設（株）が１次下請業者として法面工事を請け負った北海道松前郡福島町における幹線林道改良工事において、令和４年９月５日、ロープ高所作業を行っていた２次下請業者の労働者１名が法面から墜落し死亡する事故が発生した。事故が発生した作業場所は高さ約１６．４メートル、傾斜約６６度の箇所で、墜落により労働者に危険を及ぼすおそれがあり、かつ、作業の性質上、足場を組み立てる等の方法により作業床を設けることが困難であったため、労働者に要求性能墜落制止用器具を使用させて墜落による労働者の危険を防止するための措置を講じなければならなかったところ、その措置を講じないまま同作業を行わせたことにより、同社及び同社の役職員が令和５年７月７日に函館簡易裁判所より労働安全衛生法違反で略式命令を受け、その刑が確定している。このことが、建設業法第２８条第１項第３号に該当すると認められる。
Overview page: https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=986

These fields are extracted from the original Japanese disclosure or linked overview pages when available.

Compliance context

Medium

A regulator issued a directive requiring specified action.

Construction business law covering licensing, contractor obligations, and public-interest rules for construction work.

Verify the required action and whether the company has disclosed remediation or completion.

This context is an operational aid for review workflows, not a credit opinion or legal conclusion.

Open original sources and verification detailsOfficial URL, direct PDF, and Kiroku archive

Original Hokkaido Regional Development Bureau source (Japanese)

Extracted at: 2026-07-17T11:56:25.97+00:00
Evidence checked: 2026-07-17T08:49:40.787+00:00
Archive captured: Not archived

Show audit JSON

{
  "record": {
    "id": "abf4e006-605c-484e-8c7e-49168d0a88d8",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-hu-zhao-yan-qi-jian-she-20231019",
    "company_name_original": "戸沼岩崎建設（株）",
    "company_name_registry": "戸沼岩崎建設株式会社",
    "corporate_number": "7440001001418",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "指示",
      "en": "Directive"
    },
    "authority": {
      "ja": "北海道開発局",
      "en": "Hokkaido Regional Development Bureau"
    }
  },
  "entity_match": {
    "status": "confirmed",
    "confidence": 100,
    "method": "source_corporate_number_nta_current_name",
    "method_label": "source_corporate_number_nta_current_name",
    "notes": "国税庁法人番号データとの独立照合で対象法人を確認しました（source_corporate_number_nta_current_name）。"
  },
  "review": {
    "status": "machine_reviewed",
    "label": "Machine checked"
  },
  "compliance_context": {
    "severity": "Medium",
    "actionMeaning": "A regulator issued a directive requiring specified action.",
    "practicalNote": "Verify the required action and whether the company has disclosed remediation or completion.",
    "lawContext": "Construction business law covering licensing, contractor obligations, and public-interest rules for construction work."
  },
  "evidence": {
    "recordUrl": "https://regbase.jp/en/enforcement/kensetsu-gyoho-hu-zhao-yan-qi-jian-she-20231019",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=986",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-07-17T11:56:25.97+00:00",
    "translatedAt": "2026-07-18T15:50:23.971+00:00",
    "evidenceCheckedAt": "2026-07-17T08:49:40.787+00:00",
    "generatedAt": "2026-09-09T06:01:47.384Z"
  },
  "limitations": [
    "RegBase aggregates public Japanese government disclosures and does not provide a credit opinion.",
    "English summaries are provided for reference. The original Japanese source is authoritative.",
    "Possible or unresolved entity matches should be manually verified before use in a decision."
  ]
}

The original Japanese disclosure is the authoritative record. Use possible or unresolved matches only as leads for manual review.

Language

日本語版を見る (Japanese)

Company info

English name: 戸沼岩崎建設株式会社 Japanese original
Japanese name: 戸沼岩崎建設株式会社
Corporate Number: 7440001001418
Registered address: 北海道函館市湯川町２丁目２１番２号

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About this recordAggregated and translated from public Japanese government disclosures. The English text is for reference only — authoritative content is the linked Japanese source.