Replacement of Uninterruptible Power Supply Equipment at Mt. Ushiro Second Pumping Station - Electrical Equipment Work
BID ANNOUNCEMENT
Works subject to the two-day weekend trial (contractor-designated type)
October 30, 2026
Based on the provisions of Article 234, Paragraph 1 of the Local Autonomy Act, a contract for construction work will be concluded through general competitive bidding. Therefore, we hereby announce the following in accordance with the provisions of Article 167-6, Paragraph 1 of the Local Autonomy Act Enforcement Order and Article 6 of the Hiroshima City Waterworks Bureau Contract Regulations.
Masaharu Masuhara, Director-General of Hiroshima City Waterworks, Director of Hiroshima City Waterworks Bureau
Work Name: Replacement of Uninterruptible Power Supply Equipment at Mt. Ushiro Second Pumping Station - Electrical Equipment Work
Work Location: Kami-Yasu 7-chome, Asaminami-ku, Hiroshima City
Work Outline:
1. Electrical equipment at Mt. Ushiro Second Pumping Station, 1 lot (Uninterruptible Power Supply Equipment: 1 unit, Piping and Wiring: 1 lot)
2. Removal work, 1 lot
* For details, please refer to the design drawings and specifications (hereinafter referred to as "Design Drawings, etc.").
Work Period: 300 days from the date of contract conclusion
Estimated Price: To be announced after bid award
Minimum Limit Price: To be announced after bid award
Bid Category:
* Bidding for this work is an electronic bidding target project utilizing the Hiroshima City Electronic Bidding System.
* Please note that bidding for this work is limited to the use of the electronic bidding system, and paper bids are not permitted.
* Bidding procedures shall comply with the Hiroshima City Electronic Bidding System Usage Agreement and the Hiroshima City Waterworks Bureau Electronic Bidding Operation Standards.
* This work is subject to an electronic lottery.
Bid Participation Requirements:
Applicants must meet all of the following conditions:
Qualifications:
* Not falling under Article 167-4 of the Local Autonomy Act Enforcement Order and Article 4 of the Hiroshima City Waterworks Bureau Contract Regulations.
* Certified as a participant in Hiroshima City construction competitive bidding for FY2025-2026.
* Must have obtained an IC card in the bidder's name and completed user registration in the electronic bidding system.
* Other qualification requirements are as per the bid explanation document.
Certified Work Type: Electrical Work, etc.
Classification Level: Must be certified as "C" or "B".
Business Office Location: Must have its head office in Hiroshima City.
* "Head office" refers to the principal place of business under the Construction Industry Act.
Company Construction Performance: Must have construction performance for electrical work of the following type, completed and delivered as the prime contractor on or after April 1, 2011, with a contract amount (excluding tax, etc.) of 50% or more of the head office's design amount for this work (excluding tax, etc.).
* However, construction performance as a member of a joint venture is limited to those with an investment ratio of 20% or more.
* Limited to performance in the above certified work types.
Technical Staff, etc.:
① Must be able to assign a chief technical engineer or supervising engineer for electrical work to the said work.
If the contract amount is 45 million yen (tax included) or more, they must be assigned exclusively.
Furthermore, if a supervising engineer (meaning a supervising engineer as defined in Article 26, Paragraph 3, Item 2 of the Construction Industry Act, hereinafter the same) who is concurrently assigned under Special Exception No. 2 is appointed, a supervising engineer assistant (meaning a person who assists the duties prescribed in Article 26-4, Paragraph 1 of the same Act performed by the concurrently assigned supervising engineer) must be exclusively assigned to the said work.
However, the technical engineer must comply with the provisions of Article 26, Paragraphs 1 to 5 of the same Act.
② The technical engineer must be in a direct and continuous employment relationship with the bidder as of the bid opening date, and have been employed for 3 months or more prior to the bid opening date.
However, for technical engineers when the contract amount is less than 45 million yen (tax included), they must be in a direct and continuous employment relationship with the bidder as of the bid opening date, and have been employed prior to the day before the bid opening date.
③ Concurrent assignment of technical engineers is permitted within the scope of the conditions described in the bid explanation document, even if exclusive assignment is required.
Other:
* Those who do not meet the bid participation requirements cannot participate.
* Furthermore, those who cannot be selected in accordance with the provisions of Article 28, Item 2, Items 3 (a) to (o), and Item 5 (a) of the Hiroshima City Waterworks Bureau Construction Competitive Bidding Handling Regulations cannot participate.
* Those who cannot confirm the fulfillment of their obligation to join and pay social insurance (health insurance and employees' pension insurance) and labor insurance (employment insurance) cannot participate (excluding those who are not subject to the obligation to join each insurance).
For details, please check the Hiroshima City Waterworks Bureau website (https://www.water.city.hiroshima.lg.jp/) → "Bid and Contract Information" → "Overview of Bidding and Contract System" → "Construction and Construction Consulting Services" → "System and Confirmation Documents for Social Insurance and Labor Insurance Enrollment, etc.".
Distribution of Bid Explanation Documents, etc. / Submission of Bids, etc.
[Distribution of Bid Explanation Documents]
Download from the "Details" of this work by searching for this work in "Direct Search Bid and Estimate Information" after expanding the screen to "2. Procurement Information Public System" → "1. General Public Release" on the Hiroshima City website (https://www.city.hiroshima.lg.jp/) → "Information for Businesses" → "Bid and Contract Information" → "Electronic Bidding" → "Hiroshima City Electronic Procurement System Portal Site".
[Bid Submission Period]
Using the electronic bidding system, from 8:30 AM to 5:00 PM on Friday, November 13, 2026, and Monday, November 16, 2026 (until 4:00 PM on the final day).
If it is impossible to send the bid via the electronic bidding system for unavoidable reasons, submit the bid along with attached documents in person by 4:00 PM on the final day after submitting the prescribed notification.
[Attached Document Submission Period]
Same as the bid submission period (However, for those participating in the bid using the electronic bidding system, if the capacity of the attached documents exceeds the capacity specified in Article 11, Paragraph 2 of the Hiroshima City Waterworks Bureau Electronic Bidding Operation Standards, submit them in person by 4:00 PM on the final day of the bid submission period).
[Bid and Attached Document Submission Location]
Contract Management Section listed at the end.
Viewing and Distribution of Design Drawings, etc.
[Viewing Period]
From the announcement date to Monday, November 16, 2026, from 8:30 AM to 5:00 PM (until 4:00 PM on the final day) (excluding Hiroshima City holidays (holidays as defined in Article 1, Paragraph 1 of the Hiroshima City Ordinance Designating Holidays of Hiroshima City (Heisei 3 Hiroshima City Ordinance No. 49), hereinafter the same)).
[Viewing and Distribution of Design Drawings, etc.]
Download from "2. Procurement Information Public System" → "2. User Functions" → "6 Entrance to Hiroshima City Procurement Information Public System (User Functions)" → "To the Login Screen" → "Hiroshima City Procurement Information Public System (User Functions)" after expanding the screen on the Hiroshima City website (https://www.city.hiroshima.lg.jp/) → "Information for Businesses" → "Bid and Contract Information" → "Electronic Bidding" → "Hiroshima City Electronic Procurement System Portal Site".
Log in using your business number (5 digits) and password, and download from "Bid and Estimate Information".
* When viewing and distributing design drawings, etc., you must enter the download password indicated on the download confirmation form.
* When downloading design drawings, etc., the "Download Confirmation Form" attached to the procurement information public system must be submitted with the application for qualification confirmation after bid opening.
* The "Download Confirmation Form" is only issued during the above viewing period, so please keep it safe.
* Viewing is also available at the construction management section listed at the end.
Inquiries Regarding Design Drawings, etc.
[Inquiry Submission Period]
From the announcement date to Friday, November 6, 2026 (excluding Hiroshima City holidays).
[Viewing and Distribution Period for System Response Documents]
From Wednesday, November 11, 2026, to Monday, November 16, 2026, from 8:30 AM to 5:00 PM (until 4:00 PM on the final day) (excluding Hiroshima City holidays).
[Viewing and Distribution of Inquiries and Responses Regarding Design Drawings, etc.]
Download from "2. Procurement Information Public System" → "2. User Functions" → "6 Entrance to Hiroshima City Procurement Information Public System (User Functions)" → "To the Login Screen" → "Hiroshima City Procurement Information Public System (User Functions)" after expanding the screen on the Hiroshima City website (https://www.city.hiroshima.lg.jp/) → "Information for Businesses" → "Bid and Contract Information" → "Electronic Bidding" → "Hiroshima City Electronic Procurement System Portal Site".
Viewing is also available at the construction management section listed at the end.
Bid Opening Date, etc.
[Bid Opening Date and Time]
Tuesday, November 17, 2026, 9:40 AM.
[Bid Opening Location]
Bid Room, 10th Floor, Motomachi Building, Hiroshima City Waterworks Bureau.
[Number of Bids]
If there are no bids within the range of the estimated price and above the minimum limit price, a re-bid will be conducted once by sending a re-bid notice via the electronic bidding system.
Submission of Application for Confirmation of Bid Participation Qualifications, etc.
[Submission of Application, etc.]
To be submitted by the lowest bidder after the bid opening date (as described in item 7 of the bid explanation document).
[Submission Location]
Construction Management Section listed at the end.
Notification of Bid Participation Qualification Results and Bid Results:
After confirmation of bid participation qualifications, the successful bidder notification will be sent via the electronic bidding system.
Bid Cancellation:
Bidding will be canceled if the fairness of the bidding is deemed to be impaired due to the actions of the bidders or errors in the bidding procedures by the contracting party.
Invalid Bids:
Bids submitted by those who do not meet the bid participation requirements stated in this announcement, bids with false statements in the application, bids that violate the bidding conditions, and bids from those whose submitted application for confirmation of bid participation cannot be confirmed due to incomplete documents (including incorrect entries) shall be deemed invalid.
Other:
* This work is a general competitive bidding project with post-bid qualification confirmation.
* This is a re-announcement of the "Replacement of Uninterruptible Power Supply Equipment at Mt. Ushiro Second Pumping Station - Electrical Equipment Work" bid announced on September 4, 2026 (bid failure on September 24, 2026), but the work content has been revised.
* When submitting the application for confirmation of bid participation qualifications, submit the download confirmation form issued with this announcement.
* This work is a trial project for securing a two-day weekend under the "Contractor-Designated Type".
If 4 weeks and 8 days are not achieved, a negotiation for a reduction in the contract price will be conducted according to the situation, based on the provisions of Article 24 of the Hiroshima City Waterworks Bureau Construction Contract Terms and Conditions.
For details, please check the Hiroshima City Waterworks Bureau website (https://www.water.city.hiroshima.lg.jp/) → "Bid and Contract Information" → "Overview of Bidding and Contract System" → "Construction and Construction Consulting Services" → "Regarding the Inclusion of Two-Day Weekend Work Trial in Bid Announcements" → "3. Related Information".
* For other conditions, please refer to the bid explanation document and "To Those Participating in Competitive Bidding for Construction Work".
Bid Bond: Exempt
Contract Security Deposit: Required (10/100 or more of the contract amount)
Contract Management Section:
Contract Section, Finance Division, Hiroshima City Waterworks Bureau
9-32 Motomachi, Naka-ku, Hiroshima City (9th Floor, Motomachi Building)
(Email Address) zaimu@city.hiroshima.lg.jp
(Phone) 082-511-6826
(FAX) 082-221-2101
Construction Management Section:
Midori-i Purification Plant, Hiroshima City Waterworks Bureau
311 Midori-i, Asaminami-ku, Hiroshima City
(Email Address) midorii@city.hiroshima.lg.jp
(Phone) 082-877-1116
(FAX) 082-870-1929
Appendix
September 1, 2025
Contract Section, Finance Division, Hiroshima City Waterworks Bureau
Regarding the Trial of "Bid Invalidity Due to Inability to Assign Technical Staff" (Limited to Electrical Work and Mechanical Equipment Installation Work)
Although bid withdrawal after submitting a bid is not permitted, for electrical work and mechanical equipment installation work where bid failures frequently occur due to a shortage of technical staff, we will trial a system where the bid is deemed invalid and a bid participation restriction of one month is not applied, only in cases where the bidder becomes the successful bidder for another contract and is unable to assign the planned technical staff to this bid project.
However, this trial is limited to "Electrical Work" and "Mechanical Equipment Installation Work" in post-bid qualification confirmation general competitive bidding.
《How to Submit the "Notification of Inability to Assign Technical Staff"》
After bid opening, submit the "Notification of Inability to Assign Technical Staff" (form is on the last page) to the construction management section via email by the deadline for submitting the application for confirmation of bid participation qualifications, and confirm receipt by phone.
Even for electrical work and mechanical equipment installation work, those who do not submit this notification and subsequently submit an application for confirmation of bid participation or submit an incomplete application will be prohibited from participating in bids for this bureau for one month.
Note: The handling described below is limited to "Electrical Work" and "Mechanical Equipment Installation Work" in post-bid qualification confirmation general competitive bidding.
[In the case of normal post-bid qualification confirmation general competitive bidding]
[In the case of comprehensive evaluation / post-bid qualification confirmation general competitive bidding]
[In the case of comprehensive evaluation / post-bid qualification confirmation general competitive bidding (low bid)]
* The evaluation period for comprehensive evaluation usually takes about 20-30 days from the submission of the report, but it may take longer.
* Since the submission date for the application for confirmation of bid participation qualifications changes depending on the evaluation period, please pay attention to the expiration dates of documents attached to the application for confirmation of bid participation qualifications, such as tax certificates.
Implementation Period: Applicable to bids announced on or after September 1, 2025.
Administrative Procedure when submitting the Notification of Inability to Assign Technical Staff:
1) Bidder submits the "Notification of Inability to Assign Technical Staff" to the construction management section via email and confirms by phone.
2) The construction management section confirms the "Notification of Inability to Assign Technical Staff" and forwards it via email to the organizational email of the contract management section.
3) The contract management section processes the invalidity (issues a notice of suspension stating that the next lowest bidder will become the successful bidder candidate).
Other Explanations: This trial is limited to "Electrical Work" and "Mechanical Equipment Installation Work" in post-bid qualification confirmation general competitive bidding (including comprehensive evaluation bidding).
General competitive bidding (WTO projects), nominated competitive bidding, and discretionary contracts are not eligible.
Year Month Day
Location: XX-cho, XX-ku, XX City
Company Name: XX Co., Ltd.
Representative: President XX XX
Notification of Inability to Assign Technical Staff for Electrical Work and Mechanical Equipment Installation Work
Regarding the following work, we have become the successful bidder for the following work and are unable to assign technical staff. We hereby notify you.
We have no objection to the bid for the following work being deemed invalid.
Furthermore, we will bear all responsibility if any of the following stated matters are found to be untrue, and we will not raise any objections to the loss of bid participation qualifications or the imposition of suspension of bidding measures.