Closed tender · Japan · Works
羽根川 河川災害復旧工事（８災第50号）（令和８年９月10日公告）
In EnglishHane River River Disaster Restoration Work (8-Disaster No. 50) (Announced on September 10, Reiwa 8)
高知県 · 高知県
高知県 in Japan invited bids for “Hane River River Disaster Restoration Work (8-Disaster No. 50) (Announced on September 10, Reiwa 8)”. Bids closed on 7 October 2026, 17:00 JST. To qualify, bidders need at least one similar completed work worth ¥25 million or more, Chief Technology Officer qualification and GST registration.
The work
River disaster restoration work on the Henge River in Muroto City, Kochi Prefecture
- Must comply with the Construction Recycling Law
- Must comply with the two-day weekend work implementation guidelines
- Must comply with special specifications regarding supervising technology officer
Key facts
- Performance security
- 10% of contract value
- Contract period
- March 31, 2024 (with possible carryover procedure)
- Evaluation
- Lowest price (L1) among technically qualified bids
- Submission
- Online, on the e-procurement portal
- Procedure
- 一般競争入札
- Published
- 09 Sep 2026
What it takes to qualify
Worth a closer look
- The bidder must not be a construction business that has not fulfilled the obligation to register for social insurance (Health Insurance Act, Employees' Pension Insurance Act, Employment Insurance Act)
- The bidder must comply with the 'one-pass system' trial provision where the successful bidder in a higher-ranked bid is excluded from lower-ranked bids
- The bidder must submit a special oath regarding compliance with the Antimonopoly Act
Experience
- At least 1 similar work worth ¥25 million or more — Civil engineering work completed after Heisei 23, with a final contract amount of at least 25 million yen, contracted by national or local government, performed as a single entity or joint venture with 20% or more capital share, and completed within Kochi Prefecture
- Proof needed: completion certificates
Certifications and registrations
Chief Technology Officer qualification1st class civil construction management engineer or equivalent qualification
Supervising Technology Officer qualification1st class civil construction management engineer or equivalent qualification with supervising technology officer qualification certificate and training completion certificate
GST registrationClause 1(6) requires fulfillment of individual item requirements, which may include GST registration
Policy conditions
No reservation, preference or local-content restriction.
Documents to submit
- General Competitive Bidding Participation Qualification Confirmation Application (Form 1)Must be submitted electronically through the bidding system
- Construction Cost BreakdownMust be submitted electronically with bid amount
- Similar Construction Work Performance (Form 2)Evidence of similar construction work experience
- Planned Technology Officer Roster (Form 3)List of planned chief or supervising technology officers
- Duplication of Planned Technology Officers (Form 4)Required only if applicable
- Copy of 2023 Kochi Prefecture Construction Bidding Participation Qualification Decision NoticeProof of qualification
- Copy of Specific Construction Business LicenseRequired only if applicable
- Monopoly Prohibition Law Compliance OathRequired to be submitted with contract draft