Tenders/River and Coast Improvement (Improvement) Works (Riverbed Excavation)
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River and Coast Improvement (Improvement) Works (Riverbed Excavation)

Auto-translated from Japanese
Original title: 河川海岸改良(改良)工事(河道掘削)
福島県
Published: Aug 31, 2026
Updated: Sep 4, 2026
Source: jp_kkj

About This Opportunity

This is a works contract in the environment and climate, water and sanitation and construction and civil works sectors. Located in Japan, Asia, this opportunity is open to firms and consortiums.

Published through 官公需 (kkj.go.jp), a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for civil works in the environment and climate sector. Works contracts of this nature generally require demonstrated experience in similar infrastructure projects, adequate equipment and technical personnel, and financial capacity including bank guarantees. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

Auto-translated from Japanese
River and Coast Improvement (Improvement) Works (Riverbed Excavation) - 1 - BID NOTICE (Example) A conditional open competitive tender will be held, and an announcement is made in accordance with the provisions of Article 167, Paragraph 6, Item 1 of the Local Autonomy Act (Showa 22, Order No. 16) and Article 246, Paragraph 1 of the Fukushima Prefecture Financial Regulations (Showa 39, Fukushima Prefecture Ordinance No. 17). August 31, Reiwa 8 Kazushi Takahashi, Director of Fukushima Prefecture Soso Regional Development Bureau 1. Matters for Tender Classification ■ New □ Re-announcement □ Re-announcement (Revised Design, Conditions, etc.) Previous Announcement None Work Number 26-41370-0272 Work Name River and Coast Improvement (Improvement) Works (Riverbed Excavation) Work Location Sōma City Koizumi area and surrounding areas (Koizumi River basin, etc.) Work Outline Riverbed excavation L=360.0m V=1800.0m³ Completion Deadline March 31, Reiwa 9 Estimated Price To be announced after contract conclusion. Item Applicable or Not Applicable If Applicable, Description Start of Construction Applicable/Not Applicable ・Applicable: Construction started on or after April 1, Reiwa 8. ・Not Applicable: Construction started by March 31, Reiwa 8. Minimum Reserve Price Not Applicable ・This is a work for which a minimum reserve price will be set based on Article 167, Paragraph 10, Item 2 of the Local Autonomy Act. To be announced after contract conclusion. Comprehensive Evaluation Method This is a work for which a comprehensive evaluation method will be applied, where the successful bidder is determined by comprehensively evaluating factors other than price, in addition to price. ・The method for determining the successful bidder candidate and the comprehensive evaluation method shall be as per the tender documents. ・A benchmark price will be set for this tender. Low Bid Price Investigation Applicable ・This is a work to which the low bid price investigation system applies based on Article 167, Paragraph 10-2, Item 2 of the Local Autonomy Act. The investigation benchmark price will be announced after contract conclusion. ・If a bid below the investigation benchmark price is submitted, the bidder with the highest evaluation score may not necessarily be the successful bidder. Please cooperate with the low bid price investigation. Construction System Pre-submission Method Not Applicable ・This is a work to which the Fukushima Prefecture Construction System Pre-submission Method applies. ・The disqualification criteria, investigation content, and forms for the Construction System Pre-submission Method shall be as per the tender documents. Electronic Bidding Applicable ・Pre-registration is required from the following address to participate in electronic bidding. ・Electronic Bidding System (Address) http://www.pref.fukushima.lg.jp/sec/01115c/nyusatsu-98.html Electronic Browsing Applicable ・Electronic Browsing System (Address) http://www.pref.fukushima.lg.jp/sec/01115c/nyusatsu-96.html Relaxation of On-site Supervisor's Full-time Duty Applicable ・At the request of the successful bidder and with the approval of the contracting authority, the on-site supervisor for preliminary work may be the on-site supervisor for this work. In this case, the contracting authority may impose necessary conditions. Special Exception for Full-time Supervisor (Type 2) Applicable ・This is a work for which a supervising engineer who falls under the provisions of Article 26, Paragraph 3, Item 2 of the Construction Industry Act (hereinafter referred to as "supervising engineer under special exception Type 2") can be assigned. ・The requirements for assigning a supervising engineer under special exception Type 2 shall be as per the tender documents. Resource Recycling, etc. Applicable ・This is a work for which the separation and dismantling of construction waste and the recycling of specified construction waste are mandated by the Act on the Recycling of Resources in Construction Works (Act No. 104 of 2000). - 2 - Mixed Bidding Except for Reconstruction JV Not Applicable ・Mixed bidding allowing participation by a single company or a special construction joint venture. Reconstruction JV Not Applicable ・This is mixed bidding allowing participation by a single company or a special construction joint venture as defined in Article 3, Paragraph 3 of the "Fukushima Prefecture Construction Works Joint Venture Handling Guidelines" (Notice dated December 28, Reiwa 23, No. 23-1971 (Partially revised on January 6, Reiwa 2)). Capital or Personnel Relationship Applicable ・Companies with capital or personnel relationships are not allowed to participate in the same tender. 2. Qualifications Required for Bidders Bidders must meet all of the following conditions and the conditions specified in the tender documents. Type of Procurement General Civil Engineering Works ・Must be registered in the Fukushima Prefecture Construction Works Contractor Qualification Register, with the procurement type displayed in the left column, and be registered with the grading level displayed in the left column for the fiscal year in which the bid opening date falls. Grading Level A, B, or C Permitted Business Type Civil Engineering Construction ・Must have a permit for the business type displayed in the left column of the Construction Industry Act (Showa 24, Act No. 100). Regional Requirements ・Within the jurisdiction/Within the prefecture: Companies with their head office in Fukushima Prefecture. ・Within the three adjacent jurisdictions: Companies with their head office or branch/business office* within the Soso Construction Office jurisdiction, Kenpoku Construction Office jurisdiction, Kenchu Construction Office jurisdiction (limited to Tamura City, Tamura District), or Iwaki Construction Office jurisdiction. ・Within the jurisdiction: Companies with their head office or branch/business office* within the Soso Construction Office jurisdiction. * Branch/business office refers to a branch/business office of a company with its head office in the prefecture (prefectural company) and an authorized representative listed in the Fukushima Prefecture Construction Works Contractor Qualification Register valid for the fiscal year in which the bid opening date falls. Engineer's Work Experience ・Must be able to assign a supervising engineer or chief engineer to the construction site on a full-time basis with experience in the work type displayed in the left column (experience as an assigned engineer). (However, full-time assignment is not required if the contract amount is less than 45 million yen (less than 90 million yen for general building construction) or if it falls under the proviso of Article 26, Paragraph 3 of the Construction Industry Act). ・Work experience includes experience gained at companies other than the currently employed company, and refers to experience as an assigned engineer for the prime contractor within the period displayed in the left column (for JV, only for members with an equity ratio of 20% or more; in the case of a shared construction method, only if the shared work falls under the work type displayed in the left column. Furthermore, it is limited to public works (except when the procurement type is building construction, electrical equipment construction, or air conditioning and sanitary equipment construction). ・Public works as used herein refers to works commissioned by the contracting authority as defined in the Act on Promotion of Proper Bidding and Contracts for Public Works (as of the time of the record), land development corporations, local road corporations, local housing corporations, sewage corporations, land readjustment associations, urban redevelopment associations, land improvement districts, Fukushima Prefectural Medical University, or Fukushima University of Technology. The same applies hereinafter). ・For supervising engineers, they must possess a supervising engineer's qualification certificate and a supervising engineer training completion certificate. Not Required Company's Work Experience ・Must have experience in the work type displayed in the left column within the period displayed in the left column as a prime contractor. Not Required Company's Work Scale Experience ・Must have construction experience as a prime contractor with a contract amount of the amount displayed in the left column or more per project within the period displayed in the left column (for JV, the amount equivalent to the equity ratio). ・However, if the same work was awarded over multiple fiscal years, it is considered one project. Not Required JR Proximity Work ・If applicable, must be able to assign an employee with a permanent employment relationship who holds the qualification of "Construction Manager" from East Japan Railway Company to the construction site. ・"Construction Manager" refers to a person holding a "Construction Manager (Conventional Line) Qualification Certificate" certified by East Japan Railway Company. Not Applicable 3. Tender Participation Procedures, etc. For this tender, pre-tender participation application procedures are not required as the qualification of bidders will be examined after the bid opening. (For electronically bid works, bid opening will be conducted through the electronic bidding system, so bidders must register their participation through the system.) Questions regarding design documents, submission of bids, announcement of successful bidder candidates, and announcement of tender results shall be as per the tender documents. The period and location for browsing design documents and conducting the tender are as follows: Item Period or Date Location, etc. Browsing of Design Documents, etc. August 31, Reiwa 8 (Mon) to October 6, Reiwa 8 (Tue) Electronic Browsing System Questions regarding Design Documents, etc. August 31, Reiwa 8 (Mon) to September 8, Reiwa 8 (Tue) Soso Construction Office, General Affairs Division, General Affairs Section, 1-30 Nishiki-cho, Haramachi-ku, Minamisoma City Phone Number 0244-26-1208 Email sousou.ken.nyusatsu@pref.fukushima.lg.jp * The subject line and file name for questions regarding design documents via email should be "【Design Document Question】Last 4 digits of Work Number (Company Name)". * Questions should primarily be submitted via email, but if fax transmission is preferred, please contact the phone number above. Scheduled Answer to Questions September 15, Reiwa 8 (Tue) Fukushima Prefecture Soso Regional Development Bureau, Treasury Office * Please check this homepage for the presence or absence of answers to questions before submitting your bid. Bid Participation Registration September 25, Reiwa 8 (Fri) to September 28, Reiwa 8 (Mon) ・Only for electronic bidding. ・Input via the electronic bidding system. Submission of Bids, etc. September 5, Reiwa 8 (Mon) 9:00 AM - 5:00 PM September 6, Reiwa 8 (Tue) 9:00 AM - 3:00 PM ・Input via the electronic bidding system. ・The bid submission period is two days. However, the submission deadline on the final day is 3:00 PM. * If bids are submitted after 5:00 PM on the first day and before 9:00 AM on the final day, and are not received due to system failure, etc., they will be considered as withdrawn. Please submit within the system usage hours. Bid Opening October 7, Reiwa 8 (Wed) 1:00 PM ・The bid opening results will be publicly displayed all day at the following location: Fukushima Prefectural Minamisoma Joint Government Building, South Building, 1st Floor, in front of the Treasury Office Scheduled Date for Determination of Successful Bidder October 15, Reiwa 8 (Thu) * Electronic browsing system usage hours are from 8:00 AM to 10:00 PM (excluding prefectural holidays as defined in Article 1, Paragraph 1 of the Fukushima Prefecture Ordinance on Determining Prefectural Holidays (Reiwa 1, Fukushima Prefecture Ordinance No. 7). The same applies hereinafter). * Electronic bidding system usage hours are from 9:00 AM to 5:00 PM. 4. Examination of Bidder Qualification Requirements If a successful bidder candidate is determined, the candidate will be notified promptly after the bid opening by phone or other reliable means. The examination of the successful bidder candidate's qualification requirements, the determination of the successful bidder, and the notification of disqualification shall be as per the tender documents. 5. Bid Bond and Contract Deposit Bid bond and contract deposit shall be as per the tender documents. 6. Invalid Bids Bids submitted by persons who do not meet the qualifications required for participation in the tender, and bids that violate the conditions for bidding specified in the Fukushima Prefecture Construction Works Competitive Bidding Guidelines, etc., shall be deemed invalid. 7. Trial Work on Estimation Methods for Reconstruction Projects Following the Great East Japan Earthquake, etc. (1) This work is a "trial work on estimation methods for securing labor" where, after the contract is concluded, if there are changes in the measures taken to secure labor and it becomes difficult to carry out the work appropriately based on the amount calculated according to the Civil Engineering Works Standard Estimation Standards (Fukushima Prefecture Civil Engineering Department), the "actual expenditure-adjusted indirect costs" (defined below) will be adjusted based on the expenditure records of the actual expenditure-adjusted indirect costs at the time of final settlement and adjustment. Repair Expenses: Labor transportation costs, accommodation costs, rental costs Labor Management Costs: Costs related to recruitment and dissolution, costs other than wages for meals, commuting, etc. (2) This work is estimated using the "Trial Regarding Estimation Methods for Reconstruction Projects Following the Great East Japan Earthquake, etc." (Refer to the Technical Management Division HP: http://www.pref.fukushima.lg.jp/sec/41025b/torikumi.html). 8. Other ・This work is subject to the "Trial Guidelines for Securing Two Days Off Per Week in Works Commissioned by the Civil Engineering Department" (Refer to the Technical Management Division HP: http://www.pref.fukushima.lg.jp/sec/41025b/shuukyuufutuka.html). The contractor must comply with the matters stipulated in the trial guidelines. The commissioning method for this work is the contractor-designated type. ・This work is subject to the "Implementation Guidelines for Utilizing the Construction Career Up System in Works Commissioned by the Fukushima Prefecture Civil Engineering Department" (Refer to the Technical Management Division HP: http://www.pref.fukushima.lg.jp/sec/41025b/ccus.html). The contractor must comply with the matters stipulated in the implementation guidelines. ・This work is subject to "ICT Utilization Works" where 3D data is used for preliminary surveys, construction, progress management, construction management records, and related documents. For details, please refer to the special specifications. ・This work involves construction sites that are scattered, and since there may be a discrepancy between standard estimation and actual construction conditions for common temporary costs and site management costs, it is a "trial work on estimation methods for scattered construction sites" where common temporary costs and site management costs are calculated for each "Koizumi Work Area" (Construction Location: Koizumi, Sōma City), "Imada Work Area" (Construction Location: Imada, Sōma City), and "Kuroki Work Area" (Construction Location: Kuroki District, Sōma City). ・For other details, please refer to the tender documents. For inquiries, please contact the following: Contact Information Fukushima Prefecture Soso Regional Development Bureau, Treasury Office Phone Number 0244-26-1302 Email souso.suito@pref.fukushima.lg.jp * If you wish to make inquiries by fax, please contact the phone number above. List of Submitted Documents Submitted Documents For Electronically Bid Works At Bid Participation Registration At Submission of Bids, etc. Technical Proposal ○ (Note 1) (Note 2) Bid System Input Detailed Estimate ○ (Note 1) Summary of Detailed Estimate (Form No. 6 of Low Bid Price Investigation Procedures) ○ (Note 1) Detailed Breakdown of Subcontracted Work (Form No. 1 of Fukushima Prefecture Construction System Pre-submission Method Trial Guidelines) - Detailed Breakdown of Subcontracted Work (Form No. 2 of Fukushima Prefecture Construction System Pre-submission Method Trial Guidelines) - * Notes on Electronic Bidding (Note 1) If you attach the wrong file (except for attaching arbitrary files), your bid may be invalidated, so please be careful. (Note 2) For works where the comprehensive evaluation method is applied and it is not the standard type, even if the technical proposal has been submitted at the time of bid participation registration, the submission button will appear in the system. This is a uniform display due to system specifications and does not reflect the actual submission status.

Data provenance

This notice is sourced from 官公需 (kkj.go.jp) and was originally published on August 31, 2026. Last refreshed 18 days ago. Original language: Japanese. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About 福島県

福島県 has issued 187 procurement notices on BidsFactory, including 15 currently open and 68 awarded contracts. Activity concentrates in Construction & Civil Works, Transport & Logistics, and Architecture & Engineering Services. All notices are published for Japan. Notices are distributed via 官公需 (kkj.go.jp). Most recent publication: September 18, 2026.

Frequently asked questions about this tender

Who is the contracting authority?

This notice was issued by 福島県 in Japan. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Works contract in the Environment & Climate sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in Japan. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

How can I submit a bid?

Visit 官公需 (kkj.go.jp) to access the full notice, required documents, and submission instructions provided by the contracting authority.

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Key Details

Contract Type
Works
Eligibility
Firms / Consortiums
Language
Japanese

Source

jp_kkj
jp_kkj
Official Source

Contracting Authority

福島県
🇯🇵Japan

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