Reiwa 8 (2026) Social Capital Development Fund Project Shimogamo River Area Treatment Plant Integration and Development Construction (2)

Reiwa 8 (2026) Social Capital Development Fund Project Shimogamo River Area Treatment Plant Integration and Development Construction (2) 2026091600 Subject: Reiwa 8 (2026) Social Capital Development Fund Project Shimogamo River Area Treatment Plant Integration and Development Construction (2) Location: Inside Shimogamo River, Kato City Work Number: Limited Open Competition Bid Order Information (Construction) Announcement Date: September 9, Reiwa 8 (2026) Work Type: General Civil Engineering Work Work Description: Pipework HPPE φ100 824m Manhole Work: 1 x Type 3 Manhole Summary: *Please refer to the design documents for details. Construction Period: From the day after the contract is concluded until March 26, Reiwa 9 (2027) Bid Method: Limited Open Competition Bid (Post-qualification review type) Bid Opening Date and Time: October 1, Reiwa 8 (2026), 9:20 AM (scheduled) Location: Meeting Room 501, 5th Floor, Kato City Hall Bid Date: Minimum Price Limit: Applicable Bid Bond: Exempt Contract Security: Exempt Advance Payment, Partial Payment, etc.: In accordance with Article 29 of the Kato City Contract Regulations Design Documents, etc.: Downloadable from the Kato City website (Bidding/Contract Information) Available from: September 29, Reiwa 8 (2026), 9:00 AM to September 30, Reiwa 8 (2026), 3:00 PM Bid Participation Conditions: □ Registered in the "Reiwa 8 (2026) Kato City Construction Work Bid Participant Register" as of the announcement date. □ Head office or branch, etc., located within Kato City as of the announcement date. Regional Requirements □ Must hold a construction business license for civil engineering work as stipulated in the Construction Industry Act (1949, Act No. 100). *For those registered with a branch, the branch must hold a construction business license for civil engineering work. Target Rank, etc.: □ Must have a comprehensive evaluation score of 685 points or higher for general civil engineering work, and a record of completed general civil engineering work, as per the business scale evaluation result notification under the Construction Industry Act (1949, Act No. 100). □ Must be able to assign a full-time employee (employed for 3 months or more as of the announcement date) holding qualifications for civil engineering work as stipulated in the Construction Industry Act (1949, Act No. 100) to this construction work. Technician □ Must not fall under the disqualification criteria for bidding participation based on the Kato City bid participation qualification standards stipulated in Article 167-4, Paragraph 2 of the Local Autonomy Act Enforcement Order. Other: □ Must be able to confirm that the validity period of the business scale evaluation result notification under the Construction Industry Act (1949, Act No. 100) extends until the planned contract conclusion date (scheduled for early October, Reiwa 8 (2026)). □ Must not be subject to or meet the conditions for suspension of designation under the Kato City Designation Suspension Standards as of the bid participation application deadline. □ Must not have filed for commencement of rehabilitation proceedings under the Corporate Rehabilitation Act (2002, Act No. 154) or for commencement of reorganization proceedings under the Civil Reorganization Act (1999, Act No. 225) as of the announcement date. □ Must not be a violent group, violent group member, or person closely related to a violent group as defined in Article 2 (excluding item 4) of the Kato City Ordinance on the Promotion of the Exclusion of Violent Groups (2012, Kato City Ordinance No. 22). □ Must not fall under the operational guidelines restricting participation in the same bid by companies with capital or personnel relationships within Kato City as of the bid participation application deadline. Bid Participation Qualification Confirmation Documents Application Period: Until 5:15 PM on Friday, September 18, Reiwa 8 (2026) *Enter the applicant's name, etc., in the Limited Open Competition Bid Participation Application and submit via the electronic bidding system. Limited Open Competition Bid Participation Application: Downloadable from the Kato City website (Bidding/Contract Information). Submitted Documents: □ Limited Open Competition Bid Participation Application and Pledge □ Documents confirming the construction business license for civil engineering work as stipulated in the Construction Industry Act (1949, Act No. 100). *For those registered with a branch, documents confirming that the branch holds a construction business license for civil engineering work. □ Copy of the latest Business Scale Evaluation Result Notification (with a record of completed general civil engineering work). □ Deployed Technician Notification Form. □ Copy of documents confirming the technician's qualifications and proof of full-time employment (mask personal information not necessary for confirming employment relationship). Questions Regarding Specifications Submission Deadline for Questions: Until 5:15 PM on Friday, September 25, Reiwa 8 (2026) Method of Question Submission: Questions must be submitted via email only (nyusatsu@city.kato.lg.jp). *Forms can be downloaded from the Kato City website (Kato City General (Designated) Competitive Bidding Related [Forms]). Method of Answering Questions: Simultaneous answers will be sent to the email address registered in the electronic bidding system (or registered fax number for paper bids) by the day before the bid date. (Contact by TEL (0795-43-0414) after sending). Design Documents, etc.: Other: □ Matters not stipulated in this announcement shall be governed by the provisions of the Kato City Contract Regulations and the Kato City Electronic Bidding Operation Standards. □ Submission of Bid Participation Qualification Confirmation Documents: After the bid opening, the prospective successful bidder must submit the bid participation qualification confirmation documents (excluding the Limited Open Competition Bid Participation Application and Pledge) to the Kato City General Affairs and Finance Department, Property Management Division (4th Floor, Kato City Hall) by the deadline specified by the city, either in person or by email (keiyaku@city.kato.lg.jp) (contact by TEL (0795-43-0414) after sending). □ Paper Bids: In accordance with Article 11 of the Kato City Electronic Bidding Operation Standards, those wishing to participate in paper bids must submit the "Paper Bid Approval Application Form," "Bid Participation Qualification Confirmation Documents (including the Limited Open Competition Bid Participation Application and Pledge)," and a "Long Type 3 Envelope (with 320 yen postage affixed and return address written)" to the Kato City General Affairs and Finance Department, Property Management Division (4th Floor, Kato City Hall) during the bid participation application period (in person only). □ Bidding: The bid amount must be the amount "excluding tax" (the same applies to paper bids). □ Breakdown of Costs: Submit a breakdown of costs (optional format) at the time of bidding, corresponding to the breakdown in the design documents as much as possible. The breakdown should include costs for materials, labor, and essential expenses for proper construction (statutory welfare costs, safety and health expenses, contributions to the construction industry retirement mutual aid contract), and the total amount of the breakdown should not significantly deviate from the bid amount. □ Weekly Two-Day Off System: This construction work is subject to the "Weekly Two-Day Off System," which ensures that workers take at least two days off per week (Saturdays and Sundays). □ Special Bidding Condition: The contractor who is awarded the contract for construction work number 2026091600 cannot be a bidder for construction work number 2026091900. However, they can participate in the bid for construction work number 2026091900.