Ordinary River Yamano-kawa River Excavation Work

Ordinary River Yamano-kawa River Excavation Work August 28, Reiwa 8 (2026) 1 Contract Number 3 Work Location 4 Work Type 5 Construction Period 6 Bid Price 7 Minimum Reserve Price Setting Case, etc. 10 Warranty Period for Contract Non-conformity 12 Construction Recycling Law Target Work 3 Design Document Inquiry Acceptance Period 6 days from announcement Design Document Response Posting Period 9 Bidding Acceptance Period 10 Bid Opening Date and Time and Location August 21, Reiwa 8 (2026) (Friday) 9:40 AM Okayama City Hall (Main Building) 5th Floor, Bidding Room. 11 Submission Method for Qualification Confirmation Application Documents: The confirmation subject must submit the qualification confirmation application documents and attached documents (hereinafter referred to as "Application Documents, etc.") either via the electronic bidding system specified in Common Matters 7(2) or by bringing them to the Contract Division to confirm their qualifications. However, this does not apply if the confirmation subject is found to fall under any of Common Matters 6 or 14(1) to (5) before submitting the application documents. *Other methods will not be accepted. Please note that no content verification of the application documents will be performed at the counter. 8 Bidding Method: As per Common Matters 2 and 4. *Please bid after confirming the answers to inquiries regarding design documents. *Please note that the electronic bidding system is available from 8:00 AM to 9:00 PM. *In case of re-bidding, re-bids will be accepted until 4:00 PM on the first bid opening day, and bidding will commence at the same time. Bidders should check for re-bids on the electronic bidding system under "Procurement Organization: Okayama City → Construction, Consulting, etc. → Electronic Bidding System → Bid Status List" after the bid opening date and time specified in II-10. Notification will be sent via FAX etc. to those who bid in writing. August 18, Reiwa 8 (2026) (Tuesday) From 4:00 PM to August 20, Reiwa 8 (2026) (Thursday) 4:00 PM. dobokunourin@city.okayama.jp August 6, Reiwa 8 (2026) (Thursday) From 4:00 PM until the bid opening date. 7 Design Document Response Posting Location: Posted on the Bidding and Contracts Homepage under "Construction Work (Contract Division) → Bidding Information [Construction Work] → General Competitive Bidding List". August 4, Reiwa 8 (2026) (Tuesday) Until 4:00 PM. 4 Design Document Inquiry Method: Inquiries will only be accepted via email. Please clearly state the inquirer's name and contact phone number in the email body. Please note that transmission time may vary depending on the performance of the computer and the connection status of the telecommunications line, so please submit your inquiries with sufficient time. Also, please use a clear subject line for your email, such as "Bidding Inquiry (XX Construction)". 5 Design Document Inquiry Submission Destination: Kita Ward Office, Civil Engineering and Agriculture, Forestry and Fisheries Branch E-mail Address: 1 Announcement Period and Method: From the announcement date to the bid opening date. Posted on the Okayama City Website, "Bidding and Contracts" page (hereinafter referred to as "Bidding and Contracts Homepage"). 2 Design Document Acquisition Period and Location: From the announcement date to the bid opening date. Available for download on the Bidding and Contracts Homepage. Applicable. 13 Other: If a person who becomes a "confirmation subject" (hereinafter referred to as "confirmation subject") as defined in Common Matters 3(7) in this bid falls under Common Matters 14(1), (2), (3), (4), or (5), they will be disqualified. II. Matters Concerning Bidding Procedures 9 Bid Security and Contract Security: As per "Common Matters for Announcement of General Competitive Bidding for Construction Work" (hereinafter referred to as "Common Matters") 13. 2 years. 11 Work Outline: Construction length: 42m. Excavation: 420m3. Ground improvement: 456m2. Temporary work: 1 set. 8 Payment Terms: ① Advance Payment: Yes ② Interim Advance Payment: No ③ Partial Payment: Yes (within 1 time). 2 Work Name: Ordinary River Yamano-kawa River Excavation Work Location: Shimo-takada, Kita-ku, Okayama City. Civil Engineering Work. Announcement of General Competitive Bidding Implementation (Announcement) In accordance with the provisions of Article 167-6, Paragraph 1 of the Local Autonomy Act Enforcement Order (Showa 22, Cabinet Order No. 16) (hereinafter referred to as "the Order"), the following is announced. Mayor of Okayama City, Masao Omori I. Items for Bidding 2026023305-50 March 31, Reiwa 9 (2027) Minimum reserve price will be announced after contract award. 1 Bidding Qualification: Common Matters: As per Common Matters 1. 7 Scheduled Technician 8 Other: 1 Calculation Discrepancy Appeal Deadline 2 Calculation Discrepancy Appellant 3 Calculation Discrepancy Appeal Method: Only accepted by the method posted in Common Matters 8. *Please file a discrepancy appeal after confirming the detailed design documents with costs. Must assign personnel with qualifications for civil engineering work. None. IV. Procedures for Calculation Discrepancy Appeals: August 25, Reiwa 8 (2026) (Tuesday) Until 4:00 PM. Limited to bidders for this work. 5 Construction Permit: Must have a construction permit for civil engineering work in accordance with Article 3, Paragraph 1 of the Construction Business Act. 6 Similar Work Construction Experience: Not required. 4 Grading Level and Area of Assignment: For grading industry ①: A. Civil engineering grading level B or C in Ashimori Junior High School District. For grading industry ②: A. Civil engineering grading level B or C in Ashimori Junior High School District. *Please be sure to check the latest grading level before bidding. III. Qualifications Required for Bidders 2 City/Non-City Contractor Classification: Must meet either ① or ②. ① In-city contractor ② Quasi-in-city contractor where the number of employees in Okayama City portion of the latest City Corporate Resident Tax Final Return is 50 or more, and the number of employees subject to Okayama City resident tax and withholding is 50 or more. 3 Grading Industry Classification: Must meet either ① or ②. ① First grading industry is Civil Engineering. ② First grading industry is Architecture, and the second or third grading industry is Civil Engineering. 13 Qualification Confirmation Application Document Submission Deadline: By 5:15 PM on the second day after becoming a confirmation subject (excluding city holidays as defined by the Ordinance on Determining City Holidays). *The above period includes time for correction and replacement of application documents, so please apply as soon as possible. 12 Qualification Confirmation Application Documents: ① General Competitive Bidding Participation Qualification Confirmation Application Form (Form No. 3) ② Scheduled Technician List (Form No. 4) ③ Designation Suspension Measures Status Report (Form No. 5) ④ Business Scale Evaluation Result Notification / Overall Evaluation Score Notification (Latest) (copy acceptable) The following are for quasi-in-city contractors only: ⑤ Form No. 1, Appendix 2, as stipulated in Article 2, Item 1 of the Construction Business Act Enforcement Regulations (showing the latest permit acquisition status for business offices within Okayama City and business offices that will enter into contracts with Okayama City) (copy acceptable) ⑥ Copy of City Corporate Resident Tax Final Return (most recent) ⑦ Copy of Okayama City Reiwa 8 Fiscal Year Resident Tax on Salary Income, etc. Determination/Change Notification (for withholding agent) (Portions with individual names are not required). However, if there are changes, a copy of the latest determination/change notification is required. Application documents should be prepared in advance so that they can be submitted promptly after bid opening. (8) In the case of (3), written bidders shall enter any three-digit number in the lottery number field of the bid form and seal it in an envelope. The front of the envelope should be marked with the bidder's name and the work name. (6) For the determination of the successful bidder, the bid price registered in the bid form (or the amount written in the bid form for written bidders as stipulated in (3)) will be increased by 10% of that amount (if there is a fraction of less than 1 yen, it will be rounded down). Therefore, bidders, regardless of whether they are taxpayers or not for consumption tax, shall register an amount equivalent to 100/110 of their estimated contract desired amount in the electronic bidding system (or write it in the bid form for written bidders as stipulated in (3)). (7) In the case of (2), bidders using the electronic bidding system shall attach the bid price breakdown as an attached file and enter any three-digit number in the lottery number field when registering the bid amount. (6) For the determination of the successful bidder, the bid price registered in the bid form (or the amount written in the bid form for written bidders as stipulated in (3)) will be increased by 10% of that amount (if there is a fraction of less than 1 yen, it will be rounded down). Therefore, bidders, regardless of whether they are taxpayers or not for consumption tax, shall register an amount equivalent to 100/110 of their estimated contract desired amount in the electronic bidding system (or write it in the bid form for written bidders as stipulated in (3)). (7) In the case of (2), bidders using the electronic bidding system shall attach the bid price breakdown as an attached file and enter any three-digit number in the lottery number field. (8) In the case of (3), written bidders shall enter any three-digit number in the lottery number field of the bid form and seal it in an envelope. The front of the envelope should be marked with the bidder's name and the work name. (5) In the case of (3), the bidder shall fill in the necessary items in the written bid form (posted on the Okayama City Website → Electronic Bidding → Guide/Forms → Electronic Bidding Guide page "Regarding Written Bidding in Electronic Bidding Cases") and the bid price breakdown (downloaded from the design documents for the target work posted on the Okayama City Website → Construction Work (Contract Division) → Bidding Information [Construction Work] → General Competitive Bidding List page), and seal them in an envelope. The bidder shall submit the sealed envelope to the Okayama City Hall (Main Building) 5th Floor, Bidding Room by the bid acceptance deadline. The front of the envelope should be marked with the bidder's name and the work name. (2) Bidders shall submit their bids by registering the bid amount using the IC card via the electronic bidding system between the bid acceptance start date and time and the bid acceptance deadline for the target work registered in the electronic bidding system. (3) For those who have completed user registration in the electronic bidding system after obtaining an IC card, in the following cases (excluding cases where the IC card cannot be used due to loss, invalidation, blocking, or damage due to the bidder's responsibility), they may participate in written bidding after obtaining the Mayor's approval by bringing the Written Bid Participation Approval Application Form (Form No. 1) (posted on the Okayama City Construction Work Electronic Bidding Implementation Guidelines (hereinafter referred to as "Electronic Bidding Guidelines") → Bidding Information [Construction Work] → Forms [Construction Work] page) and the bid price breakdown (downloaded from the design documents for the target work posted on the Okayama City Website → Construction Work (Contract Division) → Bidding Information [Construction Work] → General Competitive Bidding List page) to the Contract Division one hour before the bid acceptance deadline. However, this applies only if the bid opening date of the target work is within the validity period of the IC card and the IC card re-issuance procedure is being carried out. (4) Those who have switched to written bidding will not be allowed to switch back to electronic bidding or resume electronic bidding for the target work. (1) The number of bids allowed is up to two. (5) Must not be in a period of designation suspension or suspension of designation (hereinafter referred to as "Designation Suspension etc.") based on the Okayama City Designation Suspension Standards at the time of bid opening specified in the announcement. (6) Must have obtained a card (hereinafter referred to as "IC card") containing an electronic certificate issued by an electronic bidding core system compatible certification authority, which can be used with the Okayama Prefecture Electronic Bidding Joint Use System operated by the Okayama Prefecture Electronic Bidding Joint Use Promotion Council, by the bid acceptance deadline. Also, must have completed user registration with Okayama City in the electronic bidding system before submitting the bid. Furthermore, the validity period of the IC card must extend beyond the bid opening date and time. (4) Outside-city contractors as defined in Article 2 of the Setting Ordinance must meet the standards specified in the announcement for similar work construction experience etc. (3) In-city and quasi-in-city contractors as defined in Article 2 of the Okayama City Construction Work Competitive Bidding Qualification Requirements Setting Ordinance (hereinafter referred to as "Setting Ordinance") must meet the standards specified in the announcement for the grading level (hereinafter referred to as "Grading Level") determined in Article 5 of the Review etc. Matters. (However, those receiving preferential treatment under the Okayama City Construction Work Performance Evaluation Utilization Standards (hereinafter referred to as "Preferential Treatment") may participate in general competitive bidding with a bid price of less than 1 billion yen, up to the next higher grading level. In addition, when participating in bidding with preferential treatment, it is limited to the industry of the work for which the commendation was received according to the Okayama City Construction Work Performance Evaluation Utilization Standards. (1) Must not fall under the provisions of Article 167-4 of the Order and Article 2, Paragraph 1 of the Okayama City Contract Regulations (Heisei 1, City Ordinance No. 63; hereinafter referred to as "Contract Regulations"). (2) For construction work of the same type as the target work, must be registered in the Okayama City qualified contractor list in accordance with the Okayama City Competitive Bidding Qualification and Review etc. Matters (Showa 61, City Announcement No. 120; hereinafter referred to as "Review etc. Matters"). (8) If there are two or more bidders with the same bid price (hereinafter referred to as "same price bidders"), the order will be determined by electronic lottery. The lottery method is as follows: ① For each same price bidder, assign numbers from 0 in order of arrival of the bid (in order of reception by the electronic bidding system server). ② For each same price bidder, calculate the last three digits (hereinafter referred to as "determined lottery number") of the sum of the registered lottery number and the arrival milliseconds of the electronic bidding system server reception time. For written bidders stipulated in 2(3), the lottery number is the number written in the bid form, and the arrival milliseconds are the arrival milliseconds of the time when the Okayama City staff registered the bid price in the electronic bidding system. ③ Determination of same price bidders: The bidder whose number matches the number assigned in ①, after dividing the sum of the lottery numbers of the same price bidders by the number of same price bidders, will be the first-ranked confirmation subject. For others, the order will be determined by assigning numbers in increasing order from the number of the first-ranked confirmation subject, and after no more matches are found, the order will be determined by smaller numbers. (7) If the contract award decision is reserved under (5) or (6), the procedures for calculation discrepancy appeals shall be conducted in accordance with the Okayama City Construction Work Calculation Discrepancy Appeal Procedures Ordinance (hereinafter referred to as "Calculation Discrepancy Appeal Ordinance"). (6) In the re-bid, if there is one or more bidders who submitted valid bids, the contract award decision will be reserved, and if there are no bidders who submitted valid bids, the bidding will be considered unsuccessful. (7) If the contract award decision is reserved under (5) or (6), the procedures for calculation discrepancy appeals shall be conducted in accordance with the Okayama City Construction Work Calculation Discrepancy Appeal Procedures Ordinance (hereinafter referred to as "Calculation Discrepancy Appeal Ordinance"). (4) If the target work is a minimum reserve price setting work as defined by the Okayama City Construction Work Minimum Reserve Price Setting Ordinance, bids below the minimum reserve price will be disqualified. (5) In the first bid, the bid opening official shall rank the bids that are not invalidated or disqualified under (3) or (4) and are at or below the pre-tax bid price (hereinafter referred to as "valid bids") in ascending order of bid price, and the bidder who submitted the first-ranked bid shall be the subject of qualification confirmation (hereinafter referred to as "confirmation subject"). If there are one or more bidders who submitted valid bids, the contract award decision will be reserved, and if there are no bidders who submitted valid bids, re-bidding will be conducted. (3) The bid opening official shall, based on the bid opening results, invalidate the bids of bidders who fall under any of the provisions of 5(1) to (13) without needing to confirm their qualifications based on the application documents etc. (hereinafter referred to as "qualification confirmation").