Tenders/(No. 08089) Kishimotogawa Bridge Longevity Improvement and Repair Work [Announcement on September 16]
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(No. 08089) Kishimotogawa Bridge Longevity Improvement and Repair Work [Announcement on September 16]

Auto-translated from Japanese
Original title: (建第08089号)岸本川橋長寿命化修繕工事【9月16日公告】
高知県香南市
Published: Sep 11, 2026
Updated: Sep 20, 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 Rehabilitation, Demolition and Construction Supervision. 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 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
(No. 08089) Kishimotogawa Bridge Longevity Improvement and Repair Work [Announcement on September 16] Announcement Electronic Contract Konan Mayor Gota Hamada (4) Outline of Work Kishimotogawa Bridge L=13.8m Section repair work (plastering method) N=1 Structure Crack repair work (low-pressure injection method) N=1 Structure Surface impregnation work A=51m2 (7) Minimum reserve price (5) Estimated construction period From Reiwa 8, October 16 to Reiwa 9, March 14 (150 days) Those who have not been subject to sanctions such as suspension of designation based on this. The following requirements must be met by those who can participate in the bidding for this work. (11) Other "Konan City Construction Work Estimated Price Calculation Doubt Filing Procedure Guidelines" applied (8) Review method Bidding qualification review will be conducted after opening bids, with a post-bid review method requiring additional documents from the successful bidder candidate. (10) Contract type Those who have been awarded. (6) (4) Not falling under the exclusion measures target person specified in Article 2, Paragraph 2, Item 5 of the Konan City Regulations on the Exclusion of Boryokudan from Administrative Affairs and Business (Reiwa 6 Konan City Notice No. 86) regarding the exclusion of Boryokudan from administrative affairs and business (Reiwa 6 Konan City Notice No. 86). "Konan City Weekly Holiday 2-Day System Construction Work Implementation Guidelines" applied 2 Bidding Qualification (2) Not falling under the provisions of Article 167-4 of the Local Autonomy Act Enforcement Order (Showa 22, Cabinet Order No. 16). (3) From the date of announcement to the date of opening bids, Konan City Designation Suspension Measures Guidelines (Reiwa 6 Konan City Notice No. 86) No. 08089 (2) Work Name Kishimotogawa Bridge Longevity Improvement and Repair Work (3) Work Location Konan City, Kagami Town, Kishimoto Construction Number Limited competitive tendering will be carried out, and based on the provisions of Article 6 of the Konan City General Competitive Tendering Implementation Guidelines for Construction Work, etc., and Article 87 of the Konan City Financial Regulations (Reiwa 18, Rule No. 43), the following announcement is made. Reiwa 8, September 16 1 Matters for Bidding (1) (6) Estimated Price If there is an application for viewing the paid design documents under "10 Viewing of Paid Design Documents and Filing of Doubts", the estimated construction period will change. (9) Bid type Electronic bidding The estimated price will be set in the range of 7.5/10 to 9.2/10 of the estimated price. (Post-announcement) (1) As of the date of this announcement, those registered in the Reiwa 8 Konan City Construction Work Competitive Bidding Participation Qualification List. Those with the main business office in Konan City, ranked A, B, or C for civil engineering construction. (5) Not having filed for commencement of company rehabilitation proceedings under the Company Rehabilitation Act (Reiwa 14, Act No. 154) or commencement of rehabilitation proceedings under the Civil Rehabilitation Act (Reiwa 11, Act No. 225). However, even for those who have filed for commencement of rehabilitation proceedings under the Company Rehabilitation Act or commencement of rehabilitation proceedings under the Civil Rehabilitation Act, if re-examination of bidding qualifications is received after the decision to commence proceedings, further questions may arise regarding the content of the response, and the deadline for response is the next day at 12:00 PM. From the date of this announcement to Reiwa 8, September 30 (Wednesday) (7) Those who can be assigned as the chief engineer for the work must meet the following requirements. a. Those employed by the applicant before the date of application for confirmation of bidding qualifications. However, if the total contract amount including tax is 45 million yen or more (90 million yen or more for general building construction), the engineer will be exclusively assigned to the site, and the employment relationship with the applicant must be confirmed before the application for confirmation of bidding qualifications (8) There is no capital or personnel relationship with other bidders participating in this bid. 3 Method of Application for Confirmation of Bidding Qualifications, etc. Those who wish to participate in the bidding for this work must apply for confirmation of bidding qualifications within the following application period. Bidding will be conducted by registering the bid amount and a 3-digit lottery number using the electronic bidding system within the bidding period. At the time of registration, attach an electronic file of the breakdown of construction costs created with the bid amount. 6 Submission and Response of Inquiry Forms (1) Application Period From the date of this announcement, the format is optional, and it can also be submitted by writing in the body of the email. However, it is within the operating hours of the electronic bidding system (8:00 AM to 10:00 PM on days other than closing days). Email address (2) Opening location Konan City Hall Main Building 4th Floor Contract and Treasury Division 00 minutes). (2) Bidding method Those with the main business office in Konan City, ranked A, B, or C for civil engineering construction. For 3 months or more before the date. b. Those who have national qualifications or equivalent that can be the chief engineer for civil engineering construction. Submit from the "Submission of Confirmation of Participation Qualification Application" screen of the electronic bidding system. 4 Loss of Bidding Qualification Application After acceptance, if the bidding qualification requirements in 2 are no longer met, participation in the bidding for the work is not possible. However, it is within the operating hours of the electronic bidding system (8:00 AM to 10:00 PM on days other than closing days). (1) Application period Cannot participate. 5 Viewing of Design Documents Until Reiwa 8, September 30 (Wednesday), 5:00 PM (2) Application method Accepted by email by the Contract and Treasury Division. Design documents will be available for viewing on the Konan City website from the date of this announcement until the date of opening bids. (3) Response method Posted on the Konan City website. (4) Response deadline Reiwa 8, October 1 (Thursday), 5:00 PM 7 Bidding Period and Method (1) Bidding period From Reiwa 8, October 5 (Monday) to Reiwa 8, October 7 (Wednesday) Further inquiries will be accepted. Attach files. 8 Date and Time and Place of Opening Bids (1) Date and Time of Opening Bids Reiwa 8, October 8 (Thursday), 9:30 AM 9 Date and Time and Method of Re-bidding From Reiwa 8, October 8 (Thursday), 1:00 PM to Reiwa 8, October 9 (Friday), 4:00 PM (excluding weekends and holidays) However, if it is a re-bid, the application period for viewing will begin upon the determination of the successful bidder candidate. (2) Viewing location Konan City Hall Main Building 4th Floor Contract and Treasury Division Bidding and Contract Section (3) Application method for viewing To apply for viewing, fill out the Paid Design Document Viewing Application Form (Form No. 1) with the necessary information and submit it in person to the Contract and Treasury Division or attach it to an email and send it. (1) Viewing application period From Reiwa 8, October 8 (Thursday), 1:00 PM to Reiwa 8, October 14 (Wednesday), 1:00 PM (excluding weekends and holidays) However, if there are no viewing applications within the viewing application period, the period will end. (4) Period for filing doubts The deadline for re-bidding is 3:00 PM (1st time) and 5:00 PM (2nd time) on the day of opening bids. The submission deadline for this case will be announced separately by the Contract and Treasury Division. (4) Submission method Submit by attaching the electronic file of Form 4 to an email or by submitting the document in person. Please note that stamping is required for written submissions. (1) Documents to be submitted List of assigned site supervisors and assigned engineers (Form 4) The deadline for qualification review will be announced separately. Bids will be opened immediately after each deadline. The breakdown of construction costs is not required when registering for re-bidding. If there is no bid that should be successful in the initial bid, and there are bidders who can participate in the re-bid, re-bids will be conducted up to two times. 10 Viewing of Paid Design Documents and Filing of Doubts (1) Method of determining the successful bidder candidate The bidder who submitted the lowest bid within the range of the estimated price and the minimum reserve price will be determined as the successful bidder candidate. (2) If there are two or more bidders who submitted the same lowest bid, the successful bidder candidate will be determined by electronic lottery using the electronic bidding system. (3) After the determination of the successful bidder candidate, a notice of reservation (notification that the bid results are reserved for post-bid review) will be sent to all bidders via the electronic bidding system. (2) Submission location Konan City Hall Contract and Treasury Division Bidding and Contract Section (3) Submission deadline Reiwa 8, October 13 (Tuesday), 4:00 PM However, if a calculation doubt is filed, the Contract and Treasury Division will announce the result of the doubt. 12 Qualification Review The successful bidder candidate must submit the additional documents required for qualification review as follows. If the documents are not submitted, or if the review results in a determination that the bidder does not meet the qualification requirements, the bidder who submitted the lowest bid among other bidders within the range of the estimated price and the minimum reserve price must submit them. 13 Determination of Successful Bidder If the qualification review results in qualification, the bidder will be determined as the successful bidder. After the determination of the successful bidder, a notice of successful bidder determination will be sent to all bidders via the electronic bidding system. 14 Bid Bond 15 Contract Deposit The successful bidder must pay a contract deposit of 1/10 or more of the contract amount at the time of contract conclusion. However, this does not apply if the conditions specified in Article 23, Paragraph 1, Proviso, etc., of the Konan City Construction Work Electronic Competitive Bidding Guidelines (hereinafter referred to as "Electronic Bidding Guidelines") are met. 16 Other (3) This work is subject to the obligation to implement separate demolition, etc., and recycling of specified construction waste materials, based on the "Law Concerning the Recycling of Construction Materials" (Reiwa 12, Act No. 104). (4) Assigned to the work. In principle, changes to the assigned engineer are not permitted. The site supervisor who must be stationed at the site of this work must be employed by the applicant before the date of application for confirmation of bidding qualifications. In principle, changes to the site supervisor during the construction period are not permitted. Furthermore, the management executive officer and the full-time engineer of the business office stipulated by the Construction Industry Act cannot be the site supervisor. (11) Registration is mandatory. (13) Exempt. (15) (9) Bids that fall under the provisions of Article 97 of the Konan City Financial Regulations or the Konan City Electronic Competitive Bidding Guidelines Article 11 are invalid. (10) The site supervisor who must be stationed at the site of this work must be employed by the applicant before the date of application for confirmation of bidding qualifications. In principle, changes to the site supervisor during the construction period are not permitted. Furthermore, the management executive officer and the full-time engineer of the business office stipulated by the Construction Industry Act cannot be the site supervisor. (11) The successful bidder shall choose between interim advance payment or partial payment at the time of contract conclusion, and changes after contract conclusion are not permitted. (12) If the total contract amount including tax is 5 million yen or more, registration in the Construction Performance Information System (CORINS) is mandatory. (14) Bids that fall under Article 12 of the Electronic Bidding Guidelines are disqualified. (15) May occur. Bids made by those who do not meet the qualification requirements indicated in this announcement and bids that fall under the provisions of Article 97 of the Konan City Financial Regulations are invalid. The ranking in construction work can be confirmed in the "Reiwa 8 Konan City Construction Work Competitive Bidding Participant List (29 trades rank entry)" published on the Konan City website. If it becomes necessary to change the contract amount due to design changes, the change will be negotiated according to "Notification on Calculation Method for Contract Amount Changes". Reiwa 8, September 1, Estimated Unit Price Application Work Days 150 Days Kochi Prefecture Konan City Kagami Town Kishimoto Kishimotogawa Bridge Longevity Improvement and Repair Work Design Document Work Classification Contract (Excluding Tax) No. 08089 P. 1 Konan City Serial Number - - Drawing Number - - FROM TO Surface Impregnation A=51m2 Crack Repair N=1 Structure Kishimotogawa Bridge L=13.8m Section Repair N=1 Structure P. 2 Work Outline Reason for Commencement or Change 3 Businesses that manufacture wooden formwork using domestically produced materials in Kochi Prefecture can be found on the Kochi Prefecture website (https://www.pref.kochi.lg.jp/doc/housin-keikaku/). The materials in items (a) to (e) below must include wooden products. (a) Bulletin boards (site organization charts, emergency contact information, etc., to be displayed for public notification) refer to formwork made of plywood (hereinafter referred to as "general formwork"). Use of general formwork for stop formwork and bat parts is possible. However, the costs related to these shall be included in miscellaneous expenses. Article 4 Use of Wooden Formwork 1 Wooden formwork refers to formwork made by combining lumber processed from thinned wood such as cedar and cypress with bracing lumber (hereinafter referred to as "wooden formwork"). General formwork refers to formwork made of steel or formwork made of plywood (hereinafter referred to as "general formwork"). Use of general formwork for stop formwork and bat parts is possible. However, the costs related to these shall be included in miscellaneous expenses. Article 6 Use of Wooden Products Made from Domestic Timber at Construction Sites 1 The contractor shall submit a "Kochi Prefecture Domestic Timber Utilization Performance Survey" to the construction supervisor and have it confirmed if the contract amount (including tax) is 2.5 million yen or more. (3) Inquiries regarding application content should be directed to the construction supervisor or the Kochi Prefecture Civil Engineering Department, Technical Management Division. Inquiries regarding system operation should be directed to the "Inquiry Call Center" (posted at the bottom of the application screen). (2) Before applying, submit the "Kochi Prefecture Civil Engineering Department Public Civil Engineering Work Timber Utilization Performance Survey" output from the electronic application system to the construction supervisor and have it confirmed. Also, explain the reason for using materials produced outside Kochi Prefecture to the inspector at the time of inspection. (1) The contractor shall electronically apply from the Kochi Prefecture Electronic Application Service page on the Kochi Prefecture website. Process name: Kochi Prefecture Civil Engineering Department Public Civil Engineering Work Timber Utilization Survey Materials produced outside Kochi Prefecture refer to materials produced outside Kochi Prefecture, or materials manufactured and processed in Kochi Prefecture using raw materials produced outside Kochi Prefecture. However, (1) Timber shall be produced from forests in Kochi Prefecture, (2) Sea sand mixed with fine aggregate for ready-mixed concrete shall be produced in Kochi Prefecture, and (3) Wooden formwork shall be manufactured from timber produced from forests in Kochi Prefecture. Note 2: Materials produced outside the prefecture refer to materials other than those produced in the prefecture. Materials manufactured and processed in Kochi Prefecture using raw materials produced outside Kochi Prefecture. However, (1) Timber shall be produced from forests in Kochi Prefecture, (2) Sea sand mixed with fine aggregate for ready-mixed concrete shall be produced in Kochi Prefecture, and (3) Wooden formwork shall be manufactured from timber produced from forests in Kochi Prefecture. Note 2: Materials produced outside the prefecture refer to materials other than those produced in the prefecture. Materials manufactured and processed in Kochi Prefecture using raw materials produced outside Kochi Prefecture.

Data provenance

This notice is sourced from 官公需 (kkj.go.jp) and was originally published on September 11, 2026. Last refreshed today. Original language: Japanese. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About 高知県香南市

高知県香南市 has issued 83 procurement notices on BidsFactory, including 15 currently open and 0 awarded contracts. Activity concentrates in Construction & Civil Works, Architecture & Engineering Services, and Water & Sanitation. All notices are published for Japan. Notices are distributed via 官公需 (kkj.go.jp). Most recent publication: September 16, 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.

Who is the contracting authority?

This notice was issued by 高知県香南市 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

Contract Type
Works
Eligibility
Firms / Consortiums
Language
Japanese

Source

jp_kkj
jp_kkj
Official Source

Contracting Authority

高知県香南市
🇯🇵Japan

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