Road Improvement Work (Shiina-zaki Town, etc. 8-1), Sewerage Facility Improvement Work (Sachi 7-2), Renovation Work for Gymnasium Insulation at Chiba Municipal Sono Elementary School and 2 Other Schools, Renovation Work for Gymnasium Insulation at Chiba Municipal Kemi-gawa Elementary School and 1 Other School, Signal Relocation Work for (To) Minatocho-Kangawa Line (Kangawa 8-1), Electrical Equipment Work for Air Conditioning and Heating in Gymnasiums at Chiba Municipal Makuhari Nishi Elementary School and 1 Other School, Electrical Equipment Work for Air Conditioning and Heating in Gymnasium at Chiba Municipal Isobe Elementary School, Line Marking Installation Work (Midori 8-1)

Road Improvement Work (Shiina-zaki Town, etc. 8-1), Sewerage Facility Improvement Work (Sachi 7-2), Renovation Work for Gymnasium Insulation at Chiba Municipal Sono Elementary School and 2 Other Schools, Renovation Work for Gymnasium Insulation at Chiba Municipal Kemi-gawa Elementary School and 1 Other School, Signal Relocation Work for (To) Minatocho-Kangawa Line (Kangawa 8-1), Electrical Equipment Work for Air Conditioning and Heating in Gymnasiums at Chiba Municipal Makuhari Nishi Elementary School and 1 Other School, Electrical Equipment Work for Air Conditioning and Heating in Gymnasium at Chiba Municipal Isobe Elementary School, Line Marking Installation Work (Midori 8-1) Chiba City Public Announcement No. 693 Limited Competitive Bidding (Electronic Bidding) is hereby announced as follows. September 7, Reiwa 8 (2026) Mayor of Chiba City KAMIYA Shunichi 1. Matters for Limited Competitive Bidding (Electronic Bidding) (1) Construction Method: Individual Construction Method (2) Construction Name: a. Road Improvement Work (Shiina-zaki Town, etc. 8-1) b. Sewerage Facility Improvement Work (Sachi 7-2) c. Renovation Work for Gymnasium Insulation at Chiba Municipal Sono Elementary School and 2 Other Schools d. Renovation Work for Gymnasium Insulation at Chiba Municipal Kemi-gawa Elementary School and 1 Other School e. Signal Relocation Work for (To) Minatocho-Kangawa Line (Kangawa 8-1) f. Electrical Equipment Work for Air Conditioning and Heating in Gymnasiums at Chiba Municipal Makuhari Nishi Elementary School and 1 Other School g. Electrical Equipment Work for Air Conditioning and Heating in Gymnasium at Chiba Municipal Isobe Elementary School h. Line Marking Installation Work (Midori 8-1) (3) Construction Overview, Location, Period, and Industry Type: Described in the attached table for each construction item. (4) Estimated Price and Minimum Reserve Price: Described in the attached table for each construction item. 2. Eligibility for Bidding Participation: Those who wish to participate in limited competitive bidding must meet all of the following requirements. (1) Persons who do not fall under the provisions of Article 167-4 of the Local Autonomy Act Enforcement Order (Showa 22, Cabinet Order No. 16) and who do not fall under any of the following categories: a. Persons who have not completed 2 years since being subject to a transaction suspension order by a clearing house. b. Persons who have issued dishonored bills or checks within 6 months prior to the bid opening date of this construction. c. Persons who have filed for commencement of rehabilitation proceedings under the Corporate Reorganization Act (2002 Law No. 154) and for whom a decision to commence rehabilitation proceedings has not yet been made by the court under the same Act. d. Persons who have filed for commencement of rehabilitation proceedings under the Civil Rehabilitation Act (1999 Law No. 225) and for whom a decision to approve the rehabilitation plan has not yet been made by the court under the same Act. e. Persons who are in violation of the City Planning Act (1968 Law No. 100) within Chiba City. f. Persons who are subject to suspension of designation or similar measures under the Chiba City Construction Contract Business Operators Designation Suspension Measures (Effective August 1, 1985) from the bid participation application deadline to the bid opening date. g. Contractors for design work, etc., related to this construction, or those related to such contractors in terms of capital or personnel. h. Construction companies that are obligated to join social insurance, etc. (employment insurance, health insurance, and employees' pension insurance) but are not enrolled in social insurance, etc. (2) Persons who can participate in the electronic bidding system of the Chiba Electronic Procurement System (hereinafter referred to as the "Electronic Bidding System"). (3) In the case of a business cooperative based on the Small and Medium-sized Enterprise Cooperative Act (1949 Law No. 181), those for whom the articles of association or rules of the cooperative stipulate joint contract awards. (4) Persons who have obtained a permit under Article 3, Paragraph 1 of the Construction Industry Act (1949 Law No. 100) and have undergone a business performance review under Article 27-23, Paragraph 1 of the same Act (limited to those within 1 year and 7 months from the examination standard date), in the industry type specified in the attached table for each construction item, and are registered in the Chiba City Construction Work Bid Participation Qualification List for Reiwa 8/9 in the same industry type. (5) Persons who can be stationed at the construction site as the site supervisor for each construction item. However, in cases falling under Article 2 of the Chiba City Site Supervisor and Chief (Supervising) Engineer Placement Administrative Procedures (Effective April 1, 2012), concurrent assignment to up to 3 projects is permitted. (6) Persons who can assign technicians specified in the attached table for each construction item to this construction. (7) Persons who have experience in performing constructions specified in the attached table for each construction item. (8) Persons who meet other bid participation qualification requirements specified in the attached table for each construction item. 3. Contract Administration Section: Postal Code 260-8722 1-1 Chiba Port, Chuo-ku, Chiba City Chiba City Finance Bureau Asset Management Department Contract Section Phone: 043-245-5088 4. Bid Participation Procedures: Those who wish to participate in the bid must submit the required documents to the section mentioned in 3 above via the electronic bidding system within the application period and apply for bid participation. The submitted documents will not be returned. However, those who cannot use the electronic bidding system for unavoidable reasons should contact the section mentioned in 3 above. If paper bidding is permitted, submit the Paper Bidding Participation Application Form (Form No. 1 of the Chiba City Electronic Bidding Operation Standards, effective September 11, 2006) and the General Competitive Bidding Participation Qualification Confirmation Application Form (for Paper Application) (Form No. 1-1 of the Chiba City General Competitive Bidding Implementation Guidelines, effective April 1, 1995), along with the following submission documents, by mail, in person, by facsimile, or by email. (1) Bid Participation Application Period: Described in the attached table for each construction item. (2) Submission Documents: Described in the attached table for each construction item. 5. Delivery of Design Documents, etc., and Answers to Questions: (1) Delivery of Design Documents, etc.: Download from the "Bidding Information, etc." portal on the Chiba City website (https://www.city.chiba.jp/business/hatchu/nyusatsujoho/index.html) via the link for "Construction Works" within "Distribution Materials (Design Documents, Answers to Questions, etc.)". a. Delivery Period: Described in the attached table for each construction item. b. Construction Section: Described in the attached table for each construction item. (2) Answers to Questions: The method of answering questions and the deadline for answers will be described in the design documents, etc. 6. Bidding and Bid Opening: (1) Bidding Period and Bid Opening Date and Time: Described in the attached table for each construction item. (2) Bid Opening Location: Chiba City Finance Bureau Asset Management Department Contract Section Bidding Room, 1-1 Chiba Port, Chuo-ku, Chiba City (Participation in person is generally not allowed as bid opening will be conducted using the electronic bidding system.) (3) Bidding Method: Submit the cost breakdown and the site supervisor and chief (supervising) engineer notification form (Form No. 2-1 of the Chiba City General Competitive Bidding Implementation Guidelines) to the section mentioned in 3 above via the electronic bidding system. However, if paper bidding is permitted, submit the bid form (Form No. 2-1 of the Chiba City Electronic Bidding Operation Standards, effective September 11, 2006), cost breakdown, and site supervisor and chief (supervising) engineer notification form, sealed in an envelope with the company name or trade name and construction name written on it, by registered mail or in person. * The submission of cost breakdowns for construction bids must include labor costs, etc. For details, please refer to the "Administrative Procedures for Submission of Cost Breakdowns" (revised December 12, Reiwa 7) on the Chiba City Contract Section website. If you wish to assign an assistant supervisor, also submit the Assistant Supervisor Notification Form (Form No. 2-1-2 of the Chiba City General Competitive Bidding Implementation Guidelines). (4) Withdrawal: Bidders may withdraw their bid during the bidding period before submitting their bid form. In this case, submit a withdrawal notification to the section mentioned in 3 above via the electronic bidding system. However, if paper bidding is permitted, submit the withdrawal notification (Form No. 3-1 of the Chiba City Electronic Bidding Operation Standards) sealed in an envelope with the company name or trade name and construction name written on it, by registered mail or in person. (5) Bid Security: Exempt (However, if the provisions of Article 8, Paragraph 2 of the Chiba City Contract Regulations (Showa 40, Chiba City Ordinance No. 3) apply, an amount equivalent to the exempted portion of the bid security will be collected as a penalty.) (6) Invalid or Disqualified Bids: Bids falling under any of the following categories will be deemed invalid or disqualified. The validity, invalidity, or disqualification of bids will be confirmed only for those who could be potential successful bidders after the bid opening. a. Bids falling under any of the clauses in Article 7 of the Electronic Bidding Terms and Conditions (effective April 13, 2012) will be invalid. b. Bids falling under any of the clauses in Article 8 of the Electronic Bidding Terms and Conditions will be disqualified. 7. Determination of Successful Bid Candidate, Confirmation of Bid Participation Qualification, and Determination of Successful Bidder: (1) Determination of Successful Bid Candidate, Confirmation of Bid Participation Qualification, and Determination of Successful Bidder: After the bid opening, the bidder who submitted the lowest valid bid within the range of the estimated price and above the minimum reserve price (if set) will be the successful bid candidate. If, after confirming their bid participation qualification, they are deemed qualified, they will be determined as the successful bidder. If the successful bid candidate is deemed not to have bid participation qualification, their bid will be invalidated, and the bidder with the next lowest valid bid will be confirmed for bid participation qualification. This process will continue sequentially until a bidder is confirmed to have bid participation qualification. If there are two or more bidders with the same lowest bid, the successful bid candidate will be determined by lottery. (2) Notification of Successful Bid Determination: After determining the successful bidder, all bidders will be notified promptly via the successful bidder determination notice in the electronic bidding system. (3) Notification of Bid Participation Qualification Confirmation Results: The results of the bid participation qualification confirmation for the successful bidder will be replaced by the successful bidder determination notice. For those deemed not to have bid participation qualification, notification will be given via the General Competitive Bidding Participation Qualification Confirmation Result Notice (Form No. 4-1 of the Chiba City General Competitive Bidding Implementation Guidelines). 8. Re-bidding: If, after opening the bids, there are no bids within the range of the estimated price, a re-bid will be held. (1) The number of re-bids will be limited to two. (2) Bidders whose bids were invalid, disqualified, or not submitted in the previous bid cannot participate in the re-bid. (3) Notification of re-bidding will be sent to those who submitted valid bids in the previous bid via the electronic bidding system's "Re-bid Notification" and "Re-bid Notification Arrival Notice" email. (4) The period and date/time of re-bidding will be stated in the re-bid notification. (5) The bid opening location will be the same as in 6(2) above. (6) The method of re-bidding will be the same as in 6(3) above. If you wish to withdraw from the re-bid, follow the procedure in 6(4) above. (7) The site supervisor, chief (supervising) engineer, and assistant supervisor notified in the notification forms in the preceding paragraph do not need to be the same as those notified in the previous bid. 9. Contract Conditions, etc.: (1) Contract Security: Required (However, exempt if falling under Article 29, Paragraph 1 or 2 of the Chiba City Contract Regulations.) (2) Electronic Guarantee Submission: Possible * For electronic guarantees, please refer to "About Electronic Guarantees" (https://www.city.chiba.jp/zaiseikyoku/shisan/keiyaku/dennshihoshou.html) on the Chiba City "Finance Bureau Asset Management Department Contract Section" website. (3) Contract Document Creation: Required. (4) Electronic Contract: Possible * For electronic contracts, please refer to "About Electronic Contracts" (https://www.city.chiba.jp/zaiseikyoku/shisan/keiyaku/denshikeiyakusetumei.html) on the Chiba City "Finance Bureau Asset Management Department Contract Section" website. (5) Payment Terms: Described in the attached table for each construction item. (6) If any fraudulent act occurs during the contract procedure, the contract procedure may be suspended. (7) Contract provisions can be viewed at the section mentioned in 3 above or on the Chiba City "Finance Bureau Asset Management Department Contract Section" website (https://www.city.chiba.jp/zaiseikyoku/shisan/keiyaku/index.html) under "Manuals and Forms for Construction and Survey, etc.". (8) The language and currency used in the procedures shall be Japanese and Japanese currency, respectively. (9) If there are other contract conditions, they will be described in the remarks column of the attached table for each construction item. 10. Other: (1) Even if there is only one bidder, the bid will generally be executed. (2) The operating hours of the electronic bidding system are from 8:00 AM to 12:00 AM (midnight). (3) This construction is a trial project for the post-contract VE method, where proposals for construction methods, etc., will be accepted after the contract is concluded. For details, refer to the special specifications. (4) If on-site confirmation is desired for estimation, please contact the construction section in advance. Attached Table a. Road Improvement Work (Shiina-zaki Town, etc. 8-1) (Page 1/2) Bidding Information (Part 1) Construction Location: Within and outside Shiina-zaki Town, Midori Ward, Chiba City Construction Period: 140 days Industry Type: Civil Engineering (General) Work Overview: Road Improvement Work Length L=127.1m Drainage Work Long U-shaped side ditch (250x250~700) L=197m Paving Work: 1 lot Estimated Price: Publicly announced after bid award Minimum Reserve Price: Publicly announced after bid award Bid Participation Qualification Requirements: 1. Persons with a head office in Chiba City. 2. Persons graded B in Civil Engineering (General) in the Chiba City Construction Work Bid Participation Qualification List for Reiwa 8/9. 3. Persons who can assign a chief engineer or supervising engineer to this construction. 4. Persons who have experience as the prime contractor in constructing new or improved drainage structures such as side ditches, completed and delivered within the past 15 years. Bid Participation Application Period: From 10:00 AM on Monday, September 7, Reiwa 8 (2026) to 5:00 PM on Friday, September 11, Reiwa 8 (2026) (within the operating hours of the electronic bidding system). Submission Documents: 1. Documents confirming the experience of performing the construction required by the bid participation qualification requirements. * The attached table for this construction is in 2 pages, please be careful. (This page is page 1.) Matters not described on this page may exist. Please be sure to check the full text of the announcement and other pages. a. Road Improvement Work (Shiina-zaki Town, etc. 8-1) (Page 2/2) Bidding Information (Part 2) Delivery Method of Design Documents, etc.: Download from the "Bidding Information, etc." portal page. Delivery Period of Design Documents, etc.: From 10:00 AM on Monday, September 7, Reiwa 8 (2026) to 5:00 PM on Friday, September 11, Reiwa 8 (2026). * For delivery of design documents, etc., please contact the construction section. Construction Section: Chiba City Economic Agriculture and Forestry Bureau Agriculture Department Agriculture Division Phone: 043-245-5764 Facsimile: 043-245-5884 Bidding Period: From 1:00 PM on Tuesday, September 15, Reiwa 8 (2026) to 5:00 PM on Tuesday, September 29, Reiwa 8 (2026) (within the operating hours of the electronic bidding system). * Submit one copy of the "Cost Breakdown" and the "Site Supervisor and Chief (Supervising) Engineer Notification Form". Bid Opening Date and Time: From 9:15 AM on Wednesday, September 30, Reiwa 8 (2026) onwards. Bids will be opened in order of announcement number and then by construction name symbol. Payment Terms: Advance Payment: Yes Intermediate Advance Payment: Yes Completion Payment: Yes Remarks: * The attached table for this construction is in 2 pages, please be careful. (This page is page 2.) Matters not described on this page may exist. Please be sure to check the full text of the announcement and other pages.