[Construction Work] Construction Work No. R8-38-A11-002-3 Public Social Capital Development Comprehensive Grant (Regional Cooperation) (Debt) (Main) Gifu-Miyama Line Road Improvement Construction Public Invitation for General Competitive Bidding

[Construction Work] Construction Work No. R8-38-A11-002-3 Public Social Capital Development Comprehensive Grant (Regional Cooperation) (Debt) (Main) Gifu-Miyama Line Road Improvement Construction Public Invitation for General Competitive Bidding Form No. 2 [Post-Verification Type · Simple Comprehensive Evaluation Bidding System] Gifu Prefectural Gifu Civil Engineering Office Director Takao Hirose 1. Construction to be put out for public invitation for general competitive bidding (1) Construction Work No. R8-38-A11-002-3 Construction name Construction name (2) (3) (4) From Reiwa 8 (2026) October 5 to Reiwa 9 (2027) June 7 (246 days) (5) 41,567,900 Yen (including consumption tax and local consumption tax) (6) Yes (Disqualification criteria: Yes) (7) No (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) The successful bid price shall be the amount written on the bid form plus an amount equivalent to 10/100 of that amount (if there is a fraction of less than 1 yen, that fraction shall be rounded down), so bidders, regardless of whether they are taxable or exempt businesses for consumption tax, should write the amount equivalent to 100/110 of the estimated contract desired amount on the bid form. This construction is a model construction utilizing the Construction Career Up System. For details, please refer to the "Implementation Guidelines for Model Construction Utilizing the Construction Career Up System Ordered by Gifu Prefectural Government and Urban Development Department". Estimated Price Paving Work Road Paving Work Surface Layer A=680㎡ Sidewalk Paving Work Surface Layer A=232㎡ Drainage Structure Work Integrated Variable Gutter N=1 set Catch Basin N=1 unit Minimum Reserve Price System This construction is a trial construction using the human resource development type comprehensive evaluation bidding system aimed at supporting the securing and training of human resources and improving the working environment in the construction industry. Reiwa 8 (2026) August 31 Major Local Road Gifu-Miyama Line Yamagata City Umehara Construction Number Construction Name Construction Period Construction Location Pedestrian Signal Installation Work N=1 set This construction is subject to data submission and bidding via the electronic bidding system. However, if it is difficult to use the electronic bidding system, written submission may be permitted only with the consent of the ordering party (hereinafter referred to as "paper bidding method"). Low Bid Price Investigation System This construction is a construction project that fundamentally adopts a two-day weekend system (Saturday and Sunday) (site closure). For details, please refer to the "Implementation Guidelines for Two-Day Weekend System (Saturday and Sunday) Construction Projects Ordered by Gifu Prefecture". This construction is a model construction for improving the construction site environment. For details, please refer to the "Implementation Guidelines for Model Construction for Improving the Construction Site Environment Ordered by Gifu Prefecture". Bid Announcement This construction is a comprehensive evaluation bidding system (regional type) where the successful bidder is determined by evaluating elements other than price and price in conjunction with proposals of technical documents. This construction is subject to mandatory sorting and dismantling, and recycling of specified construction waste materials, based on the Act on the Recycling of Resources in Construction Materials (Act No. 104 of 2000). Earthwork Roadbed Embankment V=130m3 Mechanical Excavation V=380m3 Excess Soil Disposal V=290m3 Construction Length L=106.67m W=6.0(9.75)m Public Social Capital Development Comprehensive Grant (Regional Cooperation) (Debt) (Main) Gifu-Miyama Line Road Improvement Construction A post-verification type general competitive bidding will be held, and an announcement is made pursuant to the provisions of Article 127 of the Gifu Prefecture Accounting Rules (Showa 32 Gifu Prefecture Ordinance No. 19; hereinafter referred to as "Rules"). The bid announcement consists of "Form No. 1 Common Bid Announcement Details [Post-Verification Type]" and this document. "Form No. 1 Common Bid Announcement Details [Post-Verification Type]" is posted on the Gifu Prefecture website. Public Social Capital Development Comprehensive Grant (Regional Cooperation) (Debt) (Main) Gifu-Miyama Line Road Improvement Construction Public Invitation for General Competitive Bidding Traffic Safety Facility Installation N=1 set Public Social Capital Development Comprehensive Grant (Regional Cooperation) (Debt) (Main) Gifu-Miyama Line Road Improvement Construction (Electronic Bidding Target Project) Construction Outline This construction is subject to a trial of supplementary measures for site management costs that contribute to heatstroke countermeasures, and supplementary measures for site management costs will be made during design changes according to the daily maximum temperature. This construction is an ASP type information sharing system utilization construction. For details, please refer to the "Gifu Prefecture Information Sharing System Operation Manual (Construction Version)". This construction is a trial construction for remote on-site presence in construction sites. For details, please refer to the "Trial Guidelines for Remote On-site Presence in Construction Sites". This bid will be executed using the electronic bidding system. However, if you have not updated your IC card after changing your trade name or name, address, or representative, please participate using paper bids. If you continue to use your IC card as is, your bid may be invalidated or you may be subject to disqualification from bidding. If you have any questions, please contact us. 2. Bid participation qualifications Ai ① ② ③ Conditions for Concurrent Holding of Positions Conditions regarding the location of the business office Contractor for design work etc. Other Conditions Gifu Prefecture Construction Work Bid Participation Qualification Register Registered Industry/Overall Score For construction with a contract price of 10 million yen or more and less than 45 million yen, if the average construction performance evaluation score for the relevant work type (civil engineering) in Gifu Prefecture ordered construction in Reiwa 7 (2025) and Reiwa 6 (2024) is 75 points or more (if there is no record of receiving such work type in Gifu Prefecture ordered construction in Reiwa 7 (2025) and Reiwa 6 (2024), the average construction performance evaluation score for the relevant work type (civil engineering) in Gifu Prefecture ordered construction in Reiwa 5 (2023) and Reiwa 4 (2022) is 75 points or more), the qualified contractor who received the construction. Civil Engineering Industry / Overall Score 930 points or more Specific/General (Civil Engineering Industry) Must have a Class 1 Civil Engineering Construction Management Engineer, Class 2 Civil Engineering Construction Management Engineer (Civil Engineering), Professional Engineer (Construction Department), or equivalent or higher qualifications. • Construction experience of civil engineering works stipulated by the Construction Industry Act, with a construction cost of 21 million yen or more, which has been completed and handed over. This construction allows the application of Special Full-time Engineer No. 1, Special Full-time Engineer No. 2, and Article 26-5 of the Construction Industry Act. Required Construction Industry Permit Since Reiwa 23 (2011) up to the bid participation qualification confirmation application deadline (hereinafter referred to as "application deadline"), as the prime contractor, have experience in constructing the following construction. (Experience as a member of a joint venture is limited to those with a capital participation ratio of 40% or more.) However, full-time assignment is not required if any of the following ① to ③ apply. For construction with a contract price of less than 10 million yen. The head office is located within the Gifu area specified in "Table 3" of "Form No. 1 Common Bid Announcement Details [Post-Verification Type]" and is registered in the Gifu Prefecture Construction Work Bid Participation Qualification Register. The qualifications required for participation in the bidding for this construction are as follows. Construction Experience Requirements Requirements for Assigned Engineers However, this excludes cases where the construction performance evaluation score is less than 65 points for construction ordered by the national government or Gifu Prefecture. The chief engineer or supervising engineer engaged in this construction must meet the following criteria and be assignable at the start of the contract period for this construction. However, on the start date of site construction for this project (Reiwa 8 (2026) November 3), the chief engineer and supervising engineer must be assignable full-time. Furthermore, full-time assignment is not required when applying Special Full-time Engineer No. 1 and Special Full-time Engineer No. 2, and when applying Article 26-5 of the Construction Industry Act. (Experience as a chief engineer or supervising engineer includes experience as a special full-time engineer No. 1, special full-time engineer No. 2 (including a special supervising engineer stipulated by the Construction Industry Act enforced on October 1, Reiwa 2), and experience as a chief engineer and supervising engineer to which Article 26-5 of the Construction Industry Act applies). Furthermore, experience as a chief engineer, supervising engineer, assistant supervising engineer, or site manager as a member of a joint venture is limited to those with a capital participation ratio of 40% or more. Furthermore, this excludes experience as an engineer additionally required separately from the chief engineer, supervising engineer, or assistant supervising engineer stipulated by the Construction Industry Act when concluding a contract at an amount below the low bid price investigation standard price. Contractor for design work etc. Koei Corporation Consultant Co., Ltd. Since Reiwa 23 (2011) up to the application deadline, have experience as a chief engineer, supervising engineer, assistant supervising engineer, or site manager in civil engineering works stipulated by the Construction Industry Act, with a construction cost of 13 million yen or more, which has been completed and handed over. (Experience as a chief engineer or supervising engineer includes experience as a special full-time engineer No. 1, special full-time engineer No. 2 (including a special supervising engineer stipulated by the Construction Industry Act enforced on October 1, Reiwa 2), and experience as a chief engineer and supervising engineer to which Article 26-5 of the Construction Industry Act applies). Furthermore, experience as a chief engineer, supervising engineer, assistant supervising engineer, or site manager as a member of a joint venture is limited to those with a capital participation ratio of 40% or more. Furthermore, this excludes experience as an engineer additionally required separately from the chief engineer, supervising engineer, or assistant supervising engineer stipulated by the Construction Industry Act when concluding a contract at an amount below the low bid price investigation standard price. Contractor for design work etc. For construction with a contract price of 10 million yen or more and less than 45 million yen, comprehensive evaluation bidding system. 3. Department Bid Handling Department Gifu Prefectural Gifu Civil Engineering Office Postal Code 500-8384 5-14-53 Yabuta Minami, Gifu City, Gifu Prefecture Construction Handling Department Gifu Prefectural Gifu Civil Engineering Office OKB Fureai Kaikan Building 1, 8th Floor 4. Bidding Schedule Design Document Browsing (Monday) From 9:00 AM Download from electronic bidding system (Tuesday) Until 4:00 PM Question Submission (Monday) From 9:00 AM Via electronic bidding system (Tuesday) Until 4:00 PM *Paper bidders should bring them to the bid handling department. Answer Sheet Browsing (Thursday) From 9:00 AM Via electronic bidding system (Tuesday) Until 4:00 PM Also available for browsing at the bid handling department Application Submission (Monday) From 9:00 AM Via electronic bidding system (Friday) Until 4:00 PM Notification of Bid Participation Notice (Tuesday) Until Via electronic bidding system Bid Submission, etc. (Monday) From 9:00 AM Via electronic bidding system Acceptance (Tuesday) Until 4:00 PM Opening of Bids (Wednesday) Via electronic bidding system Confirmation Document Submission (Thursday) From 9:00 AM Bring to the bid handling department (Friday) Until 4:00 PM Bring to the bid handling department Written (free format) Reply in writing Publication of Bid Results Via bid information service Also available for browsing at the bid handling department *Paper bidders are allowed to bring them in person, but submissions by mail or electronic transmission will not be accepted. (Dates and periods are the same) Note) Submission documents are described in "Form No. 1 Common Bid Announcement Details [Post-Verification Type]". 5. Matters concerning the Comprehensive Evaluation Bidding System (1) Mechanism of Comprehensive Evaluation Bidding System (2) Evaluation Items Evaluation Items: The following items will be evaluated. (a) Matters concerning corporate capability (b) Matters concerning engineer's ability (c) Matters concerning regional requirements Road Division Road Section 1 General Affairs Division Contract Section Phone Number Method/Location Procedure Period/Date Address Classification Reiwa 8 (2026) August 31 Reiwa 8 (2026) September 10 Reiwa 8 (2026) September 4 Reiwa 8 (2026) September 15 Reiwa 8 (2026) September 8 058-215-0092 Reiwa 8 (2026) August 31 Department ① When the bid participation qualifications are met, 100 standard points will be awarded. (However, this does not apply if instructions for separate submission have been given) ③ The successful bidder will be determined by the value calculated by dividing the total standard points and additional points obtained by the bidder's bid price (hereinafter referred to as "evaluation value"). Reiwa 8 (2026) September 15 OKB Fureai Kaikan Building 2, 7th Floor Civil Engineering Office Meeting Room 1 (Bidding Room) Also available for browsing at the bid handling department Within 7 days from the date of notification of bid participation notice or disqualification notice (excluding public holidays of prefectural institutions). Within 10 days from the day after the final day for filing complaints, in principle (excluding public holidays). Date of Bid Decision Reiwa 8 (2026) August 31 *Paper bidders should bring them to the bid handling department. Reiwa 8 (2026) September 14 Reiwa 8 (2026) September 17 ② A maximum of 15 additional points will be awarded based on achievements etc. shown in the technical documents. The successful bidder for this construction will be determined by the following method. The outline is shown below, but specific technical requirements and evaluation criteria for bidding are clearly stated in "Details of Comprehensive Evaluation System". Reiwa 8 (2026) September 15 OKB Fureai Kaikan Building 2, 7th Floor Civil Engineering Office Meeting Room 1 (Bidding Room) Also available for browsing at the bid handling department Within 7 days from the date of notification of bid participation notice or disqualification notice (excluding public holidays of prefectural institutions). Within 10 days from the day after the final day for filing complaints, in principle (excluding public holidays). Date of Bid Decision Reiwa 8 (2026) August 31 *Paper bidders should bring them to the bid handling department. Reiwa 8 (2026) September 14 Reiwa 8 (2026) September 17 Complaint Filing Reiwa 8 (2026) September 16 Reiwa 8 (2026) September 18 Reiwa 8 (2026) September 8 From 10:00 AM 058-214-9624 (Successful Bidder Candidates Only) Reiwa 8 (2026) September 15 Direct line (dial-in) Direct line (dial-in) Response to Complaint Filing 1. Simple Type (Regional Type) Comprehensive Evaluation Bidding System Mechanism ① The mechanism of the comprehensive evaluation bidding system is shown below. ◎A ○B ×C ×D A: Successful Bidder ◎B: Unsuccessful Bidder (Evaluation value exceeds the standard evaluation value but the evaluation value (slope of the graph) is lower than A) ○C: Unsuccessful Bidder (Exceeds estimated price) ×D: Unsuccessful Bidder (Below standard evaluation value) × ② Determination Method of Successful Bidder The following conditions must be met. a. Bid Price ≤ Estimated Price b. Minimum Requirement (Standard Plan Conditions) must be met. (Standard points or more) c. Evaluation Value ≥ Standard Evaluation Value (If a and b are met, c is automatically met.) 2. Evaluation Items and Evaluation Indicators 3. Standard Points and Additional Points ① Standard Points: If the standard plan conditions are met, 100 standard points will be awarded. ② Additional Points: Points awarded according to evaluation criteria. 4. Awarding of Additional Points The concept of awarding additional points to bid participants is shown in the table below. Matters concerning the ability of the assigned engineer ② Evaluation Indicators: Business Base, Participation in Disaster Agreement, etc., Volunteer Activities, Construction Experience in Nearby Areas, Snow Removal Service Experience, Road Maintenance Work on Holidays and Nights, River/Sabo Maintenance Work on Holidays and Nights, Utilization of Local Companies will be evaluated 15 points (Regional Type) Evaluation Item Sub-item ○ 0.5 Regional Requirements 1 0 (a) Evaluated based on construction performance evaluation, experience in similar/analogous construction, and human resource development initiatives. 1 2 Civil Engineering Works Holiday and Night Road Maintenance Work 1 1 15 Utilization of Local Companies 1 ① Evaluation Items: *If there are two or more bidders who meet the conditions for successful bidding, the bidder with the highest evaluation value will be the successful bidder. Furthermore, if the evaluation values are the same, the successful bidder will be determined by drawing lots.