[Document Correction] [Bid Information] Regarding Conditional Public Invitation for Bids for Leak Detection Services Contract (Section 5) for Fiscal Year 2026 (2026)
About This Opportunity
This is a consulting contract in the architecture and engineering, information and communication technology and Monitoring Evaluation sectors, with a focus on Data Analytics and Data Collection. 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 consulting in the architecture and engineering sector. Consulting assignments are typically evaluated with a strong emphasis on the technical proposal, including the methodology and qualifications of key experts. Shortlisted firms may be invited to submit financial proposals in a second stage. Interested parties should review the full documentation on the original source before submitting their proposal.
Description
Auto-translated from Japanese[Document Correction] [Bid Information] Regarding Conditional Public Invitation for Bids for Leak Detection Services Contract (Section 5) for Fiscal Year 2026 (2026)
Fiscal Year 2026 (2026) Contract Design Document Kumamoto City Administrator, Technical Supervisor, Section Chief, Deputy Section Chief, Councilor, Office Chief, Assistant Section Chief, Chief, Senior Staff, Verifier, Staff Contract Name: Leak Detection Services Contract (Section 5) for Fiscal Year 2026 (2026) Performance Period: From contract date to March 16, 2027 Performance Location: Throughout Kumamoto City Route Name, River Name, etc. Individual Project Overview Contract Price: Yen Yen Contract Cost, Consumption Tax Equivalent: Yen Yen Contract Cost: Yen Yen Reason for Contract: To discover and repair underground leaks in distribution pipes, etc., in the designated area by utilizing satellite image analysis technology, thereby reducing non-revenue water and improving efficiency, as well as preventing secondary disasters caused by underground leaks. Work Content Unit Initial Previous Quantity Change Current Quantity Number Section Item Sub-item 16805 Waterworks Business Expenses, Operating Expenses, Distribution Expenses, Leak Detection Expenses, Leak Detection Services Contract (Section 5) for Fiscal Year 2026 (2026) Satellite Leak Detection Survey Distance: km 600 Design Overview On-site Leak Detection Survey Distance: km 90 Individual Sounding Survey: Survey Work (2) Units: 4,450 Valve Sounding Survey: km 90 Road Surface Sounding Survey: km 10 Multi-point Correlation Survey: Locations: 1 Leak Confirmation Survey: Discovered Leaks: Locations: 92 Leak Confirmation Survey: Citizen Reports: Locations: 12 Number of Changes Indirect Expenses Category Public Contract Fiscal Year 2025 Survey Work Type of Work Category Fiscal Year 2026 Public Unit Price Application Lot Kumamoto City (Former Kumamoto City) Unit Price District Fiscal Year 2025 Public Equipment Damage Application Lot Fiscal Year 2025 Waterworks Contract / Fiscal Year 2025 Public Contract Unit Rate Application Lot Remarks Fiscal Year 2026 (2026) Leak Detection Services Contract (Section 5) Summary Table Expense Item / Work Type / Type / Sub-item Quantity Unit Unit Price Amount Detailed Unit Price Number Standard Work Expenses 1 Lot Contracted Services Fee 1 Lot Contracted Services Fee (Satellite Leak Detection) 1 Lot Contracted Services Fee (On-site Leak Detection) 1 Lot Total Kumamoto City Water and Sewerage Bureau 1 Fiscal Year 2026 (2026) Leak Detection Services Contract (Section 5) Breakdown of Contracted Services Fee Expense Item / Work Type / Type / Sub-item Quantity Unit Unit Price Amount Detailed Unit Price Number Standard Contracted Services Fee (Satellite Leak Detection) 1 Lot Work Cost 1 Lot Direct Work Expenses 1 Lot Work Plan Creation Survey Extension L=600km Unit 1 Lot Standard: 1 GIS Data Organization Survey Extension L=600km Unit 2 Lot Standard: 1 Satellite Analysis Survey Work Survey Extension L=600km Unit 3 Lot Standard: 1 Report Creation Survey Extension L=600km Unit 4 Lot Standard: 1 Direct Expenses 1 Lot Other 1 Lot Kumamoto City Water and Sewerage Bureau 2 Fiscal Year 2026 (2026) Leak Detection Services Contract (Section 5) Breakdown of Contracted Services Fee Expense Item / Work Type / Type / Sub-item Quantity Unit Unit Price Amount Detailed Unit Price Number Standard Technical Usage Fee Unit 15 Lot 1 Lot Direct Work Expenses Total 1 Lot Indirect Expenses Monetary Guarantee Required 1 Lot * (Including Contract Guarantee Adjustment Amount) Survey Work Price 1 Lot Consumption Tax Equivalent 1 Lot Total Kumamoto City Water and Sewerage Bureau 3 Fiscal Year 2026 (2026) Leak Detection Services Contract (Section 5) Breakdown of Contracted Services Fee Expense Item / Work Type / Type / Sub-item Quantity Unit Unit Price Amount Detailed Unit Price Number Standard Contracted Services Fee (On-site Leak Detection) 1 Lot Work Cost 1 Lot Direct Work Expenses 1 Lot Work Plan Creation Work Plan Creation (1) Unit 5 90 km On-site Inspection Survey Sounding Work Main Unit 6 90 km Individual Sounding Survey Survey Work (2) Unit 7 4,450 Units Valve Sounding Survey Unit 8 90 km Road Surface Sounding Survey Night Work Unit 9 10 km Multi-point Correlation Survey Survey Work Unit 10 1 Location Kumamoto City Water and Sewerage Bureau 4 Fiscal Year 2026 (2026) Leak Detection Services Contract (Section 5) Breakdown of Contracted Services Fee Expense Item / Work Type / Type / Sub-item Quantity Unit Unit Price Amount Detailed Unit Price Number Standard Multi-point Correlation Survey Data Processing and Analysis Unit 11 1 Location Leak Confirmation Survey Discovered Leaks Unit 12 92 Locations Leak Confirmation Survey Citizen Reports Unit 13 12 Locations Report Creation (Sounding Work Main) Includes aggregation, analysis, and recommendations Unit 14 90 km Direct Expenses 1 Lot Travel Expenses (Pro-rata) 1 Lot Safety Expenses (Pro-rata) 1 Lot Direct Work Expenses Total 1 Lot Indirect Expenses Monetary Guarantee Required 1 Lot Kumamoto City Water and Sewerage Bureau 5 Fiscal Year 2026 (2026) Leak Detection Services Contract (Section 5) Breakdown of Contracted Services Fee Expense Item / Work Type / Type / Sub-item Quantity Unit Unit Price Amount Detailed Unit Price Number Standard * (Including Contract Guarantee Adjustment Amount) Survey Work Price 1 Lot Consumption Tax Equivalent 1 Lot Total Kumamoto City Water and Sewerage Bureau 6 Fiscal Year 2026 (2026) Leak Detection Services Contract (Section 5) Indirect Expense Setting Information Name Value
Data provenance
This notice is sourced from 官公需 (kkj.go.jp) and was originally published on June 25, 2026. Last refreshed 8 days ago. Original language: Japanese. BidsFactory mirrors official procurement notices and links back to the source for full legal text.
About 熊本県熊本市
熊本県熊本市 has issued 138 procurement notices on BidsFactory, including 21 currently open and 10 awarded contracts. Activity concentrates in Architecture & Engineering Services, Urban Development & Housing, and Water & Sanitation. All notices are published for Japan. Notices are distributed via 官公需 (kkj.go.jp). Most recent publication: July 31, 2026.
Frequently asked questions about this tender
What type of contract is this?
This is a Consulting contract in the Architecture & Engineering Services 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.
Who is the contracting authority?
This notice was issued by 熊本県熊本市 in Japan. The authority is responsible for evaluating bids, awarding the contract, and managing performance.
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