Tenders/Repair and Improvement Work on Miyoshino Wakaba Line (No. 1801)
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Repair and Improvement Work on Miyoshino Wakaba Line (No. 1801)

Auto-translated from Japanese
Original title: 【三芳野若葉線(第1801号)舗装修繕工事】
埼玉県坂戸市
Published: Jul 28, 2026
Updated: Aug 7, 2026
Source: jp_kkj

About This Opportunity

This is a works contract in the construction and civil works and transport and logistics sectors, with a focus on Roads, Rehabilitation and Maritime. Located in Japan, Asia, this opportunity is open to firms and consortiums. Proposals must be submitted before September 1, 2026.

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 construction and civil works 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
Announcement of Restricted General Competitive Bidding (Post-Verification Method) by Sakado City Public Notice No. 231. In accordance with the provisions of Article 167-6 of the Local Autonomy Act Enforcement Order (Cabinet Order No. 16 of 1947; hereinafter referred to as "the Enforcement Order"), the following is hereby announced. Matters not specified in this announcement shall be governed by the provisions of the Sakado City General Competitive Bidding (Post-Verification Type) for Construction Contracts, etc. Mayor of Sakado City, Kiyoshi Ishikawa. July 28, Reiwa 8. 1. Construction Overview, etc. (1) Construction Name: Repair and Improvement Work on Miyoshino Wakaba Line (No. 1801) (2) Construction Location: Within Yokonuma, Sakado City (3) Construction Period: From the date of contract signing to February 17, Reiwa 9. (4) Construction Outline: Construction extension 354.5 meters. A. Paving work: 1 set. B. Line marking work: 1 set. C. Ancillary work: 1 set. 2. Bidding Method: This bidding will be conducted using the Saitama Prefecture Electronic Bidding Joint System in accordance with the Sakado City Electronic Bidding Operation Standards. The qualification of bidders will be examined after the bid opening. 3. Submission of Qualification Confirmation Application: Those wishing to participate in the bidding shall submit a qualification confirmation application via the electronic bidding system within the following period. From 9:00 AM on Wednesday, July 29, Reiwa 8 to 5:00 PM on Monday, August 24, Reiwa 8. 4. Bidding Execution Date and Time, etc. (1) Bid Submission Period: From 9:00 AM on Friday, August 28, Reiwa 8 to 5:00 PM on Tuesday, September 1, Reiwa 8. A. Attach a detailed breakdown of the bid amount (specified format). (2) Bid Opening Date and Time: 9:00 AM on Wednesday, September 2, Reiwa 8. (3) Bid Opening Location: Sakado City Hall, Finance Division. (4) Number of Bids: One time only; no re-bidding will be conducted. (5) The above periods and dates may be changed. In such cases, information will be provided on the Sakado City website. Sakado City Website Address: https://www.city.sakado.lg.jp/ 5. Disclosure of Design Amount, etc. (1) Design Amount (Pre-announced): 45,444,300 yen (including 10% consumption tax and local consumption tax). (2) Estimated Price: To be announced after bidding. (3) Minimum Reserve Price: To be announced after bidding. 6. Payment Terms: (1) Advance Payment: Yes (up to 40% of the contract amount can be claimed. Fractions less than 10,000 yen will be rounded down.) (2) Interim Advance Payment: Yes (up to 20% of the contract amount can be claimed. Fractions less than 10,000 yen will be rounded down.) (3) Partial Payment: No. 7. Bidding Participation Format: Single enterprise. 8. Bidding Qualification Requirements: As of the announcement date of this bidding, all of the following requirements must be met. However, those who submit a change notification to newly obtain bidding qualifications from the announcement date to the award decision, or those for whom a fact occurs that disqualifies them from bidding, cannot participate in this bidding. (1) Not falling under the provisions of Article 167-4, Paragraph 1 of the Enforcement Order. (2) Not subject to suspension of bidding by Sakado City based on the "Sakado City Notice of Suspension of Bidding for Contracts" (Sakado City Public Notice No. 27 of 1996) or exclusion from contracts with Sakado City based on the "Sakado City Notice of Exclusion of Violent Groups from Contracts" (Sakado City Public Notice No. 75 of 1996) between the announcement date of this construction and the award decision. (3) Not a party for whom an application for commencement of rehabilitation proceedings has been filed under the Corporate Rehabilitation Act (Act No. 154 of 2002) or an application for commencement of reorganization proceedings has been filed under the Civil Rehabilitation Act (Act No. 225 of 1999). However, this does not apply to those who have filed a re-examination application with Sakado City with a review standard date after the date of decision to commence these proceedings. (4) Must be listed in the "Sakado City Bidder Qualification List for Reiwa 7 and 8" (hereinafter referred to as "Qualification List") with all of the following conditions met. A. Registered Industry: Paving Industry (those wishing to undertake paving work). B. Permit Classification: None. C. Ranking, etc.: A or B class in the paving industry. D. Business Performance Review: Must have undergone a business performance review under Article 27-23, Paragraph 1 of the Building Standards Act (Act No. 100 of 1949; hereinafter referred to as "the Act") with a review standard date on or after February 28, Reiwa 7 for the paving industry, and be able to submit the certificate of comprehensive evaluation score. However, those falling under the preceding item must have undergone a business performance review with a review standard date on or after the date of decision to commence rehabilitation or reorganization proceedings and be listed in the city's qualification list with the certificate of comprehensive evaluation score. E. Location of Business Office: Must have a business office (including head office) with contract authority located within Sakado City. (5) Social Insurance, etc. (Employment Insurance, Health Insurance, Pension Insurance): Must be enrolled or exempt, with no outstanding insurance. (6) Assigned Personnel: A. A chief engineer must be assigned to this construction (exclusively if the contract amount is 45 million yen or more). If the contract amount is less than 45 million yen, the business office engineer and specific business office engineer of the business office with contract authority in Sakado City can be assigned on the condition that constant communication can be maintained with the business office. If the contract amount is 45 million yen or more, assignment is possible on the condition of meeting the requirements of Article 26-5, Paragraph 1 of the Act. Details regarding the handling of engineers shall be in accordance with the Act and the latest "Manual for the Operation of the Supervising Engineer System" issued by the Ministry of Land, Infrastructure, Transport and Tourism. B. The assigned engineer must be directly and constantly employed by the bidder. However, if the contract amount is 45 million yen or more, the engineer must have been directly and constantly employed by the bidder for at least three months prior to the deadline for submitting the qualification confirmation application specified in Paragraph 3. C. If the assigned engineer cannot be identified, multiple candidates (up to 3 in total) may be listed in the qualification confirmation application. D. The assigned engineer listed in the qualification confirmation application cannot be changed after the award, except in unavoidable circumstances (death, illness, retirement, etc.). (7) Site Manager: During the period from the contract signing date to the commencement of site construction, the site manager is not required to be stationed at the site. Furthermore, if the contract amount is less than 45 million yen, this construction will be subject to the "Handling Guidelines for Relaxation of On-site Duty for Site Managers, etc.". 9. Design Documents, etc. Viewing Method: Those wishing to participate in this bidding shall view the attached design documents, etc., via the Saitama Prefecture Electronic Bidding Joint System. (1) Viewing Period: From Tuesday, July 28, Reiwa 8 to Tuesday, September 1, Reiwa 8. (2) Format of Design Documents, etc.: The format of design documents, etc., shall be PDF, MS-WORD, or MS-EXCEL files. Electronic files that can be submitted via the Saitama Prefecture Electronic Bidding Joint System are those with the following extensions: ".docx" (Microsoft Word 2007 or later), ".xlsx" (MS Excel 2007 or later), ".pptx" (MS PowerPoint 2007 or later). (3) Viewing in Written Form: If a person who has viewed the design documents, etc., wishes to view them in written form, they may do so at the Finance Division counter of the General Policy Department until the day before the bid opening (excluding Saturdays, Sundays, and holidays). Written design documents, etc., will not be lent or copied. 10. Questions and Answers Regarding Design Documents, etc.: Those with questions regarding the design documents, etc., may do so as follows. Do not include specific company or personal names in the subject of the inquiry or the content of the request for explanation. (1) Inquiry Method: A. Deadline for Acceptance: Until 5:00 PM on Wednesday, August 12, Reiwa 8. B. Method of Acceptance: Submit via the electronic bidding system by the aforementioned deadline. (2) Method of Response: A. Response: Will be posted on the electronic bidding system as follows. However, it may not be posted due to system capacity issues. In such cases, it will be posted on the Sakado City website. Re-inquiries regarding the response will not be accepted. Sakado City Website Address: https://www.city.sakado.lg.jp/ B. Posting Period: From 10:00 AM on Monday, August 24, Reiwa 8. 11. Bid Bond: Exempt. 12. Post-Verification of Bidding Qualifications: Will be confirmed after the bid opening in accordance with the "Sakado City General Competitive Bidding (Post-Verification Type) for Construction Contracts, etc." Guidelines. The successful bidder candidate must submit the following documents by 5:00 PM on Friday, September 4, Reiwa 8. If such documents are not submitted or are incomplete/insufficient, the bid submitted by that person will be deemed invalid. (1) Restricted General Competitive Bidding (Post-Verification Method) Qualification Confirmation Application (including the following attached documents): A. Assigned Personnel Experience Certificate (attach copies of qualification certificates). *Includes documents proving employment relationship meeting the requirements of Article 8, Paragraph 6, B. Copy of the latest Business Performance Review comprehensive evaluation score certificate (as stipulated in Article 8, Paragraph 4, D). C. Copy of the certificate of full-time engineer attached to the construction industry permit application. D. Documents confirming enrollment in Health Insurance, Pension Insurance, and Employment Insurance. 13. Determination of Successful Bidder by Lottery: If there are two or more bidders who have submitted the same highest bid amount, the successful bidder will be determined by electronic lottery on the electronic bidding system. 14. Contract Deposit: The successful bidder who is selected for the contract must provide a contract guarantee of 10% or more of the contract amount at the time of contract signing, in accordance with the provisions of the Local Autonomy Act Enforcement Order. 15. Contract Terms, etc.: (1) Contract regulations and agreements will be available for viewing on the Sakado City website. (2) The successful bidder shall sign a construction contract with Sakado City in writing, with the contract signing date being the 7th day from the day after receiving the notification of award. 16. Method of Obtaining Documents Required for Bidding Participation: The method of obtaining documents required for bidding participation is as shown in the following table. Document Name | Method of Obtaining | Restricted General Competitive Bidding Announcement | Saitama Prefecture Electronic Bidding Joint System or Sakado City Website | Design Documents | Saitama Prefecture Electronic Bidding Joint System | Bid Amount Breakdown | Saitama Prefecture Electronic Bidding Joint System or Sakado City Website | Restricted General Competitive Bidding (Post-Verification Method) Qualification Confirmation Application | Saitama Prefecture Electronic Bidding Joint System or Sakado City Website | Other Announcement Documents, etc. | Saitama Prefecture Electronic Bidding Joint System or Sakado City Website | Sakado City Website Address: https://www.city.sakado.lg.jp/ 17. Other: (1) When bidding, participants must be thoroughly familiar with the design documents, etc., the Sakado City Bidder's Handbook, and the site. (2) If the representative of the applicant business office changes, a new electronic certificate must be purchased, and user registration must be redone. Bids submitted using an electronic certificate in the name of the former representative will be invalid. If a new electronic certificate cannot be obtained in time, a "Paper Bidding Participation Application" must be submitted to the Finance Division counter of the General Policy Department of Sakado City Hall and approved by the deadline for submitting the qualification confirmation application or bid. (3) Bids submitted by those who do not have the necessary qualifications to participate in the bidding, or bids that violate the bidding conditions, will be invalid. (4) If it becomes clear that there have been fraudulent acts in relation to this bidding, such as violations of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 54 of 1947), the Penal Code (Act No. 45 of 1907), the Act on Exclusion and Prevention of Bid Rigging and Punishment of Officials for Acts that Harm the Fairness of Bidding, etc. (Act No. 101 of 2002), or other relevant laws and regulations, the bid may be invalidated or the contract may be canceled, and penalties may be sought, even after the contract has been signed. (5) The successful bidder must register the construction実績 information with COLINS, operated by the Japan Construction Information Center Foundation, within 10 days (excluding Saturdays, Sundays, and holidays) after the contract is signed. (6) This construction is subject to a survey on the labor environment and wages paid to construction contractors (prime contractors), etc.

Data provenance

This notice is sourced from 官公需 (kkj.go.jp) and was originally published on July 28, 2026. Last refreshed 1 day ago. Original language: Japanese. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About 埼玉県坂戸市

埼玉県坂戸市 has issued 11 procurement notices on BidsFactory, including 3 currently open and 0 awarded contracts. Activity concentrates in Construction & Civil Works, Transport & Logistics, and Education & Training. All notices are published for Japan. Notices are distributed via 官公需 (kkj.go.jp). Most recent publication: July 28, 2026.

Frequently asked questions about this tender

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.

When does this tender close?

The submission deadline is September 1, 2026. You have 24 days left to prepare and submit your proposal to the contracting authority.

Who is the contracting authority?

This notice was issued by 埼玉県坂戸市 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 Construction & Civil Works 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.

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Key Details

Submission Deadline
Sep 1, 2026
24 days remaining
Contract Type
Works
Eligibility
Firms / Consortiums
Language
Japanese

Source

jp_kkj
jp_kkj
Official Source

Contracting Authority

埼玉県坂戸市
🇯🇵Japan

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