Announcement No. 43 Nankai Trough Great Earthquake Old Mineral Mining Area Disaster Prevention Measures Project 7th Phase Disaster Prevention Construction

Announcement No. 43 Nankai Trough Great Earthquake Old Mineral Mining Area Disaster Prevention Measures Project 7th Phase Disaster Prevention Construction Mitake Town Announcement Contract No. 43 The following construction work will be subject to a post-qualification conditional open competitive tender, and notice is hereby given in accordance with the provisions of Article 2 and Article 3 of the Mitake Town Contract Regulations (Showa 39 Regulations No. 7). August 26, 2026 Mayor of Mitake Town Yukinobu Watanabe 1. Matters related to bidding (1) Specification Number: Giakou No. 8-5 (2) Construction Name: Nankai Trough Great Earthquake Old Mineral Mining Area Disaster Prevention Measures Project 7th Phase Disaster Prevention Construction (3) Location of performance, etc.: Mitake Town Hii area (4) Construction Outline [Basic Design: Fluidization Treatment Method] Void Filling Work: 1 set (Countermeasure Area A=24,355m2) Drilling Work: Filling Holes N=146 locations Filling Work: End Filling Material B V=10,288m3 Intermediate Filling Material V=9,226m3 Temporary Filling Equipment Work: 1 set Borehole Laser 3D Measurement: 1 set [Reference Design: Two-Layer End Limited Filling Method] Void Filling Work: 1 set (Countermeasure Area A=24,355m2) Drilling Work: Filling Holes N=202 locations Filling Work: End Filling Material V=4,577m3 2nd End Filling Material V=4,346m3 Intermediate Filling Material V=10,676m3 Temporary Filling Equipment Work: 1 set Borehole Laser 3D Measurement: 1 set (5) Performance Period: From the date of contract conclusion to August 31, 2028 (6) Estimated Price: Post-disclosure (7) Low Bid Investigation Price: Yes (8) Disqualification Criteria: Yes (9) Minimum Limit Price: None (10) Submission of Breakdown: Required * If the breakdown is not submitted, the bid will be invalid. Please note. (11) Bid Bond: Exempt (12) Bidding Method: [Electronic Bidding] Those who have difficulty with the electronic bidding system may submit a written bid with the consent of the ordering party. (13) Contract Method: This contract will be concluded electronically in principle. (14) Work with Reserve Period: Not applicable (15) Provisional Contract: Yes 2. Bidding Qualification Requirements This work is an open competitive tender by a single entity or a joint venture for specific construction work (hereinafter referred to as "Joint Venture"). i) Qualifications required for participating in this bid as a single entity are as follows. Required Construction Industry Permit: Specific/General (Civil Engineering) Business Category and Comprehensive Score: Construction Contract [Civil Engineering General] - Must be registered in the Mitake Town Competitive Bidding Participant Qualification Register for the above business items. - As of the announcement date of this work, the comprehensive evaluation score must meet the following regional classifications for the above business category stipulated in the Construction Industry Act (Showa 24 Law No. 100). Within Town A Within Town B Kamo Prefecture Outside Prefecture 750 points or more 750 points or more 1,000 points or more 1,200 points or more 1,200 points or more Construction Experience Requirements: Must have at least one construction experience (1,000m3 or more) as the prime contractor, either as a single entity or a joint venture, for underground void filling work ordered by the national government, special corporations, local governments, local public corporations, public interest corporations, or land readjustment associations. However, experience as a member of a joint venture is limited to cases where the investment ratio is 40% or more. * Underground voids refer to artificially created voids such as lignite mining voids and special underground tunnels. Placement of Technical Personnel Requirements: Must be able to appropriately place a chief engineer or supervising engineer at the construction site in accordance with the provisions of the Construction Industry Act. Business Office Location Requirements: Must have a business office registered in Gifu Prefecture, Aichi Prefecture, or Mie Prefecture in the Mitake Town Competitive Bidding Participant Qualification Register (Construction Contract). Consignee of Design Services, etc.: Not applicable Other Conditions: (1) Must be able to fulfill the matters stipulated in the specifications and special specifications. (2) Must not fall under the provisions of Article 167-4 of the Local Autonomy Act Enforcement Order (Showa 22, Order No. 16). (3) Must not be within the qualification suspension period based on the Mitake Town Competitive Bidding Participant Qualification Suspension Measures Ordinance (Heisei 4, Kunrei Kou No. 8). (4) Must be able to appropriately place each technician corresponding to this work in accordance with the Construction Industry Act. (5) Must not be delinquent in corporate inhabitant tax or other local taxes. (6) Must not have filed for commencement of rehabilitation proceedings under Article 17, Paragraph 1 of the Corporate Rehabilitation Act (Heisei 14, Law No. 154), nor have such proceedings filed against them under Paragraph 2 of the same article. (7) Must not have filed for commencement of rehabilitation proceedings under Article 21, Paragraph 1 of the Civil Rehabilitation Act (Heisei 11, Law No. 225), nor have such proceedings filed against them under Paragraph 2 of the same article. (8) Must not have been subject to bidding qualification suspension measures by Mitake Town under the "Measures to Exclude Organized Crime from Contracts by Mitake Town" (Heisei 22, Kunrei Kou No. 41) from the application deadline for confirmation of bidding qualification to the date of bidding, or must not fall under the criteria for measures listed in the appendix of the same ordinance. Qualification Confirmation Documents (Successful Bidder Candidate Only) The successful bid candidate must submit the following documents by the deadline: - Application for Confirmation of Bidding Qualification for Post-Qualification Conditional Open Competitive Tender The following attached documents - Statement of Business Office Status (only required when applying from a registered business office) - Construction Experience Statement as stipulated in the bidding qualification conditions ii) Qualifications required for participating in this bid as a joint venture are as follows. Bidding Qualification Requirements: The number of members in the joint venture shall be 2 or 3, and the formation shall be voluntary. The investment ratio of each member shall be 30% or more for 2 companies, and 20% or more for 3 companies. Required Construction Industry Permit: Specific/General (Civil Engineering) Business Category and Comprehensive Score: Construction Contract [Civil Engineering General] - Must be registered in the Mitake Town Competitive Bidding Participant Qualification Register for the above business items. - As of the announcement date of this work, the representative member (the one with the largest investment ratio among the members) and other members must meet the comprehensive evaluation score for the following regional classifications stipulated in the Construction Industry Act (Showa 24 Law No. 100). Furthermore, they must have been operating for 3 years or more with the permit for the above business category stipulated in the same Act. Within Town A Within Town B Kamo Prefecture Outside Prefecture 750 points or more 750 points or more 1,000 points or more 1,200 points or more 1,200 points or more Construction Experience Requirements: The representative member must have at least one construction experience (1,000m3 or more) as the prime contractor, either as a single entity or a joint venture, for underground void filling work ordered by the national government, special corporations, local governments, local public corporations, public interest corporations, or land readjustment associations. However, experience as a member of a joint venture is limited to cases where the investment ratio is 40% or more. * Underground voids refer to artificially created voids such as lignite mining voids and special underground tunnels. Placement of Technical Personnel Requirements: The representative member must be able to appropriately place a chief engineer or supervising engineer at the construction site in accordance with the provisions of the Construction Industry Act. Business Office Location Requirements: The representative member and other members must have a business office registered in Gifu Prefecture, Aichi Prefecture, or Mie Prefecture in the Mitake Town Competitive Bidding Participant Qualification Register (Construction Contract). Consignee of Design Services, etc.: Not applicable Other Conditions: (1) Must be able to fulfill the matters stipulated in the specifications and special specifications. (2) Must not fall under the provisions of Article 167-4 of the Local Autonomy Act Enforcement Order (Showa 22, Order No. 16). (3) Must not be within the qualification suspension period based on the Mitake Town Competitive Bidding Participant Qualification Suspension Measures Ordinance (Heisei 4, Kunrei Kou No. 8). (4) Must be able to appropriately place each technician corresponding to this work in accordance with the Construction Industry Act. (5) Must not be delinquent in corporate inhabitant tax or other local taxes. (6) Must not have filed for commencement of rehabilitation proceedings under Article 17, Paragraph 1 of the Corporate Rehabilitation Act (Heisei 14, Law No. 154), nor have such proceedings filed against them under Paragraph 2 of the same article. (7) Must not have filed for commencement of rehabilitation proceedings under Article 21, Paragraph 1 of the Civil Rehabilitation Act (Heisei 11, Law No. 225), nor have such proceedings filed against them under Paragraph 2 of the same article. (8) Must not have been subject to bidding qualification suspension measures by Mitake Town under the "Measures to Exclude Organized Crime from Contracts by Mitake Town" (Heisei 22, Kunrei Kou No. 41) from the application deadline for confirmation of bidding qualification to the date of bidding, or must not fall under the criteria for measures listed in the appendix of the same ordinance. Qualification Confirmation Documents (Successful Bidder Candidate Only) The successful bid candidate must submit the following documents by the deadline: - Application for Bidding Qualification Confirmation for Specific Construction Work Joint Venture - Specific Construction Work Joint Venture Member List - Specific Construction Work Joint Venture Agreement - Similar Construction Experience Statement - Power of Attorney for Joint Venture Formation Authority, etc. (only required when delegating to a branch manager, etc.) - Power of Attorney from Member to Representative Member 3. Department in Charge: Department Name, Phone Number, Location Bidding Department: General Affairs Department, General Affairs Division, Finance Section 0574-67-2111 (Ext. 2214) 1239-1 Mitake, Mitake Town, Kamo District, Postal Code 505-0192 Work Department: Construction Department, Lignite Mine Waste Countermeasures Office 0574-67-2111 (Ext. 2232) 4. Bidding Schedule Procedure Period/Deadline Method/Location Design Document Viewing: August 26, 2026 (Wednesday) until the bid decision, from 4:00 PM Download from Mitake Town website or electronic bidding system. Question Submission: August 26, 2026 (Wednesday) to September 1, 2026 (Tuesday) until 12:00 PM Via input form on the website. Answer Document Viewing: Answers will be posted sequentially on the Mitake Town website. Bidding Application: August 26, 2026 (Wednesday) to September 11, 2026 (Friday) from 4:00 PM to 4:00 PM Via electronic bidding system. - Submit "Application for Bidding Qualification for Post-Qualification Conditional Open Competitive Tender (Construction Work)" or - Submit "Application for Bidding Qualification for Post-Qualification Conditional Open Competitive Tender (Specific Construction Work Joint Venture)" Qualification Confirmation: September 14, 2026 (Monday) from 9:00 AM Via electronic bidding system. Bid Submission: September 16, 2026 (Wednesday) to September 17, 2026 (Thursday) from 9:00 AM to 4:00 PM Via electronic bidding system. Bid Opening: September 18, 2026 (Friday) from 9:00 AM Via electronic bidding system. Submission of Qualification Confirmation Documents for Successful Bid Candidate: September 25, 2026 (Friday) by 4:00 PM Submit in person or by mail to the Bidding Department. * For paper bids, all documents must be submitted in person; submissions by mail or electronic transmission will not be accepted (period and dates are the same). * Question Submission (Town HP > For Businesses > Bidding Information > Regarding Question Submission Methods for Bidding) * Attendance at bid opening is not required, but please contact the bidding department in advance if you wish to attend. * Bid results will be notified by phone only to the successful bidder on the day of bid opening. Results will generally be posted on the website the week after the bid opening. 5. Matters Concerning Post-Qualification Confirmation of Bidding Qualifications (1) After the bid opening, the successful bid decision will be suspended, and the bidder who submitted the lowest valid bid within the range of the estimated price and the low bid investigation price or minimum limit price (hereinafter referred to as the "successful bid candidate") will be requested to submit the necessary documents for confirmation of bidding qualifications (hereinafter referred to as "Confirmation Application Documents, etc."). (2) Confirmation Application Documents, etc., must be submitted to the ordering party by the specified deadline. (3) If a bidder who meets the bidding qualifications no longer meets them by the bidding date (bid opening), they shall not be allowed to participate in the bid. (4) Those who wish to withdraw their bidding application must submit a written statement with reasons to the Mitake Town General Affairs Division by the day before the bidding date (bid opening). 6. Work with Reserve Period For work with a reserve period, the following items shall apply. (1) This work is a project with a reserve period that allows the contractor to prepare construction materials, secure labor, etc., in advance to ensure a smooth construction system. The contractor can arbitrarily set the construction start date within the construction start deadline indicated by the ordering party. (2) The construction start date cannot be a holiday. A construction start date where the end of the construction period falls on a holiday cannot be set. (3) The contractor shall notify the construction start date in the format specified by the ordering party within 3 days from the day after the bid decision date. (4) A chief engineer or supervising engineer and site supervisor are not required during the reserve period. (5) Materials that are not brought to the site can be prepared during the reserve period, but construction work such as material delivery and installation of temporary structures must not commence. Preparations made during the reserve period shall be at the contractor's responsibility. (6) If the contract is to be concluded after the construction start deadline due to a low bid price investigation, etc., a reserve period cannot be set. 7. Other (1) If bidding or bid opening cannot be conducted due to natural disasters or other unavoidable reasons, it shall be suspended. Bidding may also be suspended if there is only one bidder. Any damages incurred in such cases shall be borne by the bidder. (2) Procedures such as submission of application forms and viewing of design documents shall be conducted on days other than Sundays, Saturdays, national holidays, and other official holidays, as indicated in the bidding schedule above. (For electronic bidding, it will be conducted via the electronic bidding system.) (3) If a price standard for low bid price investigation is set, and if it is recognized that the contract cannot be fulfilled in accordance with the contract terms by the bidder who submitted the lowest bid within the limit of the estimated price, or if it is recognized that concluding a contract with that bidder would disrupt the order of fair trade and is extremely inappropriate, that bidder will not be selected as the successful bidder, and the bidder who submitted the lowest bid within the limit of the estimated price may be selected as the successful bidder. (4) Relevant forms can be downloaded from the Mitake Town website or obtained at the Mitake Town General Affairs Division counter. * Notes (1) "Town Business A" refers to a business with its head office in Mitake Town, which has been operating in Mitake Town for 3 years or more since obtaining a permit under Article 3, Paragraph 1 of the Construction Industry Act, and is listed in the register specified in Article 7, Paragraph 1 of the Mitake Town Competitive Bidding Participant Qualification Examination Guidelines (Heisei 16, Kunrei Kou No. 18) (hereinafter referred to as the "Qualification Register"). (2) "Town Business B" refers to a business with a business office (a business office other than the head office, as stipulated in Article 3, Paragraph 1 of the Construction Industry Act) where employees are regularly employed in Mitake Town, which has been operating in Mitake Town for 3 years or more since obtaining a permit under Article 3, Paragraph 1 of the Construction Industry Act, and is listed in the Qualification Register. (3) "Kamo Area Business" refers to a business with its head office or business office located in Kani City, Mino Kamo City, or Kamo District, which has been operating in each municipality for 3 years or more since obtaining a permit under Article 3, Paragraph 1 of the Construction Industry Act, and is listed in the Qualification Register.