Tenders/Reiwa 7 (Supplementary) Aso-Kuju National Park Aso Grassland (Kishino-Horito, Nakago-Takesaki) Nature Restoration Construction
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Reiwa 7 (Supplementary) Aso-Kuju National Park Aso Grassland (Kishino-Horito, Nakago-Takesaki) Nature Restoration Construction

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Original title: 和7年度(補正)阿蘇くじゅう国立公園阿蘇草原(岸野・堀渡、中郷・竹崎)自然再生工事
環境省
Published: Jul 21, 2026
Updated: Jul 31, 2026
Source: jp_kkj

About This Opportunity

This is a works contract in the environment and climate and architecture and engineering sectors, with a focus on Project Management and Protected Areas. Located in Japan, Asia, this opportunity is open to firms and consortiums.

Published through 官公需 (kkj.go.jp), a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for civil works in the environment and climate sector. Works contracts of this nature generally require demonstrated experience in similar infrastructure projects, adequate equipment and technical personnel, and financial capacity including bank guarantees. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

Auto-translated from Japanese

Reiwa 7 (Supplementary) Aso-Kuju National Park Aso Grassland (Kishino-Horito, Nakago-Takesaki) Nature Restoration Construction
Procurement Item Number: 0000000000000613811 Procurement Type: Public Notice of Tender for General Competitive Bidding (Excluding WTO) Category: Minor Construction Procurement Item Name: Reiwa 7 (Supplementary) Aso-Kuju National Park Aso Grassland (Kishino-Horito, Nakago-Takesaki) Nature Restoration Construction Public Start Date: July 21, Reiwa 8 Public End Date: August 24, Reiwa 8 Procuring Agency: Ministry of the Environment Procuring Agency Location: Kumamoto Prefecture Announcement Content: Tender Announcement (Comprehensive Evaluation Bidding System) We hereby announce the following general competitive tender. July 21, Reiwa 8 (2026) Authorized Signatory for Expenditure Authorization, Director-General of Kyushu Regional Environmental Office, Katsuji Banjyo 1. Construction Overview (1) Construction Name: Reiwa 7 (Supplementary) Aso-Kuju National Park Aso Grassland (Kishino-Horito, Nakago-Takesaki) Nature Restoration Construction (Electronic Procurement Target Project) (2) Construction Location: Within Minami-Aso Village, Aso District, Kumamoto Prefecture (3) Construction Details: 1) Kishino-Horito Management Road Improvement, L=522.7m Paving work: 1 set Other: 1 set 2) Nakago-Takesaki Management Road Improvement, L=737.9m Paving work: 1 set Other: 1 set (4) Construction period: From the day after the contract signing date to January 29, Reiwa 9 (2027) (Friday) (5) Construction implementation method: 1) This construction project will use a comprehensive evaluation and bidding system (Type II construction capability evaluation) where the contractor's technical capabilities and the abilities of engineers are submitted at the time of bidding, and the successful bidder is determined by comprehensively evaluating factors other than price along with price. 2) For this construction project, the submission of documents and bidding, etc. will be conducted through the electronic procurement system. However, if it is difficult to use the electronic procurement system, paper bidding may be substituted with the approval of the contracting authority. For approval of paper bidding, submit a request for approval to the department in charge in 4.(1) below. 3) This construction project is subject to the obligation of separate demolition, etc. and recycling of specified construction waste, etc., based on the "Act on the Recycling of Construction Materials, etc." (Act No. 104 of 2000). 4) This construction project is subject to investigation under the low-bid price investigation system. 5) This construction project allows for the assignment of an engineer to assist the full-time chief engineer or supervising engineer (hereinafter referred to as "full-time assistant") to improve the technical skills of engineers with limited field experience. 6) This construction project will provide additional points in the comprehensive evaluation for companies that implement wage increases. 7) This construction project is subject to "Weekly Holiday Construction (Site Closure Type) (Full Weekly Holiday (Saturday/Sunday) Type I)" which ensures a complete two-day weekend by closing the site. 2. Competitive participation qualifications: (1) Applicants must not be subject to the provisions of Articles 70 and 71 of the Budget, Settlement, and Accounting Order (hereinafter referred to as "Budget Execution Order"). (2) By the time of bid opening, applicants must be certified as general competitive bidders for Reiwa 07/08 by the Ministry of the Environment with Grade A or B certification for nature-conserving construction projects. For those who have filed for commencement of rehabilitation proceedings under the Corporate Rehabilitation Act (Act No. 154 of 2002) or for commencement of reconstruction proceedings under the Civil Reconstruction Act (Act No. 225 of 1999), they must have obtained re-certification of general competitive bidding qualifications based on procedures separately defined by the Ministry of the Environment after the decision to commence proceedings. (3) Applicants must have a head office, branch office, or business office with a license for civil engineering construction work or landscaping work under the Construction Industry Act within the jurisdiction of the Kyushu Regional Environmental Office. (4) Applicants must not be those who have filed for commencement of rehabilitation proceedings under the Corporate Rehabilitation Act or for commencement of reconstruction proceedings under the Civil Reconstruction Act (excluding those who have obtained re-certification as per (2) above). (5) Applicants must have construction experience of completed projects as the prime contractor since Reiwa 23 (2011) that meet the following requirements. If applying as an individual using the experience of a joint venture, it is limited to cases where the share ratio is 20% or more. For projects ordered by the Ministry of the Environment, projects with a total evaluation score of less than 65 points are excluded. [More similar construction experience] Civil engineering or landscaping projects including paving work with a contract amount of 5 million yen or more, ordered by the national government or local public entities. (Paving type and scale are not specified) [Recognized similar construction experience] Civil engineering or landscaping projects with a contract amount of 5 million yen or more, ordered by the national government or local public entities. (6) Applicants must be able to assign a chief engineer or supervising engineer who meets the following criteria for this construction project. 1) Must be a Class 1 Civil Engineering Construction Manager, Class 1 Landscaping Construction Manager, or hold an equivalent or higher qualification. 2) Must have construction experience of projects meeting the following requirements, completed as the prime contractor since Reiwa 23 (2011) (experience as an engineer in a joint venture is limited to cases where the member's share ratio is 20% or more). However, for experience on projects ordered by the Ministry of the Environment, projects with a total evaluation score of less than 65 points are excluded. [More similar construction experience] Civil engineering or landscaping projects including paving work with a contract amount of 5 million yen or more, ordered by the national government or local public entities. (Paving type and scale are not specified) [Recognized similar construction experience] Civil engineering or landscaping projects with a contract amount of 5 million yen or more, ordered by the national government or local public entities. 3) If assigning a full-time assistant who meets the qualifications in 1) and has the construction experience in 2), the assigned chief (supervising) engineer must have the construction experience in 2) or, in lieu thereof, have the following construction experience. (Experience as an engineer in a joint venture is limited to cases where the member's share ratio is 20% or more). Must have construction experience as a chief (supervising) engineer on construction projects ordered by the Ministry of the Environment since Reiwa 3 (2021). Furthermore, for experience on projects ordered by the Ministry of the Environment, projects with a total evaluation score of less than 65 points are excluded. 4) For supervising engineers, they must possess a supervising engineer's license and a certificate of completion of supervising engineer training. (7) Applicants must not be subject to suspension of bidding measures based on the "Measures for Suspension of Bidding, etc. in Public Works Contracts" (Notice No. Kaihatsu 9 of January 6, 2001) from the Ministry of the Environment during the period from the deadline for submission of the competitive participation qualification application (hereinafter referred to as "Application") and competitive participation qualification verification documents (hereinafter referred to as "Documents") to the bid opening. (8) Applicants must not be the contractor for design work, etc. related to the construction specified in 1(1) above, or a construction company related to such contractor in terms of capital or personnel. (9) There must be no capital or personnel relationship between bidders. (10) Applicants must not be those who have been requested by the police authorities to be excluded from public works ordered by the Ministry of the Environment as entities substantially controlled by members of organized crime groups or equivalent, and such status must be ongoing. (11) Technical proposals for comprehensive evaluation must be appropriate. (12) Applicants must not be construction companies that have failed to fulfill the reporting obligations specified below (excluding those for whom such reporting obligations do not apply). - Obligation to report under Article 48 of the Health Insurance Act (Act No. 70 of 1922). - Obligation to report under Article 27 of the Employees' Pension Insurance Act (Act No. 115 of 1954). - Obligation to report under Article 7 of the Employment Insurance Act (Act No. 116 of 1974). 3. Matters concerning comprehensive evaluation: (1) The evaluation items for comprehensive evaluation of this construction project are as follows. 1) Corporate technical capabilities, etc. A. Corporate construction capabilities (a) Experience in similar construction projects (b) Construction performance (c) Awards, etc. (d) Local expertise (geographical conditions) (e) Contribution to the region (activity records during disasters, etc.) (f) Efforts to promote work-life balance, etc. B. Capabilities of assigned engineers (a) Experience and position in similar construction projects (b) Construction performance (c) Awards, etc. (d) Efforts in continuing education (CPD and CPDS) C. Implementation of wage increases (2) Comprehensive evaluation method: 1) Standard points: If the requirements described in the bid explanation document, etc. can be met for this construction project, 100 standard points will be awarded. 2) Additional points: Evaluate each item listed in (1) above and award additional points. 3) Evaluation value: Comprehensive evaluation of performance, etc. presented as factors other than price and price will be conducted using the value obtained by dividing the total of standard points and additional points obtained from 1) and 2) above by the bid price of the bidder (hereinafter referred to as "evaluation value") for bidders within the limit of the estimated price. Evaluation value = (Standard points + Additional points) / Bid price. (3) Method of determining the successful bidder: 1) The successful bidder will be the bidder with the highest evaluation value calculated according to (2) above, who meets the requirements of (a) and (b) below. However, if it is recognized that the contract may not be performed in accordance with its content by the bidder who would be the successful bidder, or if it is deemed significantly inappropriate to conclude a contract with that bidder due to the risk of disrupting the order of fair trade, the successful bidder may be another bidder who bid meeting all minimum requirements set by the contracting authority within the limit of the estimated price, and has the highest evaluation value. (a) Bid price is within the limit of the estimated price. (b) The evaluation value is not below the value obtained by dividing the standard points (100 points) by the estimated price (hereinafter referred to as "standard evaluation value"). 2) If there are two or more bidders with the highest evaluation value in 1), the successful bidder will be determined by drawing lots among them. 4. Bidding procedures, etc.: (1) Department in charge: Postal Code 860-0047, 4th Floor, Building B, Kumamoto Regional Government Building, 2-10-1 Kasuga, Nishi-ku, Kumamoto City, Environmental Protection Bureau, General Affairs Division. Phone: 096-322-2400. Email: KYUSHU_KAIKEI@env.go.jp (2) Period for obtaining bid explanation documents, etc.: Bid explanation documents (documents, summary of quantities, drawings, application forms, etc.) will be provided for download from the electronic procurement system. For details on operation and usage, refer to the address in 1) below. If written delivery is desired, please apply by phone to 2) below. 1) Electronic procurement system address: https://www.p-portal.go.jp 2) Delivery location: Same as the department in charge in (1) above. 3) Delivery period: From July 21, Reiwa 8 (2026) (Tuesday) to July 31, Reiwa 8 (2026) (Friday) (excluding Saturdays, Sundays, and holidays, from 9:00 AM to 5:00 PM). 4) Method of written delivery: Mail to 2) above within the period specified in 3) above, enclosing a return envelope with postage and a CD, etc. The duplicated CD, etc. will be returned by mail. (No counter delivery will be provided.) (3) Method of preparing and submitting applications and documents: Applications and documents must be prepared in accordance with the forms and notes indicated in the bid explanation document and submitted through the electronic procurement system. However, if the capacity of the documents exceeds 50MB, or if paper bidding is approved by the contracting authority, the documents must be mailed in one copy to the reception location within the following reception period. 1) Submission period via electronic procurement system: From July 22, Reiwa 8 (2026) (Wednesday) to July 31, Reiwa 8 (2026) (Friday), from 9:00 AM to 5:00 PM (excluding Saturdays, Sundays, and holidays). 2) Submission period by mail: Same as 4(3)1) above. (4) Date and time and location of bidding and bid opening, and method of submitting bid forms: Bid forms must be submitted through the electronic procurement system. However, if approved by the contracting authority, they may be submitted in paper form by hand. Bids by mail or electronic transmission (facsimile) are not permitted. The deadline for submitting bid forms is as follows. 1) Deadline for bids via electronic procurement system: August 24, Reiwa 8 (2026), 9:59 AM. 2) Deadline for submission by hand (paper): August 24, Reiwa 8 (2026), 9:59 AM. The submission destination is the same as in 4(1) above. 3) Bid opening will be held at 10:00 AM on August 24, Reiwa 8 (2026) in the Kyushu Regional Environmental Office bidding room. 5. Other: (1) The language and currency used in the contract procedures shall be Japanese and Japanese currency, respectively. (2) Bid bond and contract deposit: 1) Bid bond: Exempted. 2) Contract deposit: Required. However, a guarantee from a financial institution or guarantee company (handling authority: Kyushu Regional Environmental Office) may be substituted for the contract deposit. Furthermore, if a public works performance guarantee bond is provided or a performance guarantee insurance contract is concluded, the contract deposit will be exempted. The amount of the contract deposit, guarantee amount, or guaranteed amount shall be 10% or more of the contract price. However, for contracts with parties who have undergone investigation under Article 86 of the Budget Execution Order (low-bid price investigation), the amount of the contract guarantee shall be 30% or more of the contract price. (3) Invalid bids: Bids submitted by those who do not have the competitive participation qualifications indicated in this announcement, bids with false statements in applications or documents, and bids that violate the bidding conditions are invalid. (4) For contracts with parties who have undergone low-bid price investigation, "4/10" in Article 35, Paragraph 1 of the separate contract draft shall be changed to "2/10", and Paragraphs 5, 6, and 7 shall be applied accordingly.

Data provenance

This notice is sourced from 官公需 (kkj.go.jp) and was originally published on July 21, 2026. Last refreshed 1 day ago. Original language: Japanese. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About 環境省

環境省 has issued 136 procurement notices on BidsFactory, including 35 currently open and 51 awarded contracts. Activity concentrates in Construction & Civil Works, Environment & Climate, and Architecture & Engineering Services. All notices are published for Japan. Notices are distributed via 官公需 (kkj.go.jp). Most recent publication: July 30, 2026.

Frequently asked questions about this tender

Who is the contracting authority?

This notice was issued by 環境省 in Japan. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Works contract in the Environment & Climate sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in Japan. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

How can I submit a bid?

Visit 官公需 (kkj.go.jp) to access the full notice, required documents, and submission instructions provided by the contracting authority.

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Key Details

Contract Type
Works
Eligibility
Firms / Consortiums
Language
Japanese

Source

jp_kkj
jp_kkj
Official Source

Contracting Authority

環境省
🇯🇵Japan

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