We will conduct an open competitive bid as follows. 1. Competitive Participant Qualifications: (1) Must not fall under the provisions of Article 70 and Article 71 of the Order on Budget, Settlement, and Accounting. (3) Other Competitive Participant Qualifications, etc.: (As per separate sheet) 2. Bid Submission Deadline: 3. Bid Mailing: 4. Other: Details are provided in the "Bidding Documents." October 8, Reiwa 8 (2026), 10:00 AM: Not permitted. *Electronic Bidding Portal Site: http://www.jaea.go.jp/02/e-compe/index.html Special Contract Terms: None. Location for Displaying the Above Terms: JAEA website (Basic Matters Regarding Procurement Contracts) or same as the contracting officer. Bid Bond: Exempt. Contracting Officer: Sumika Yamada, Project Contract Section 1, Financial Affairs and Contract Department (External line: 080-9410-0449 Internal line: 803-41010 E-mail: yamada.sumika@jaea.go.jp) (2) Must be graded in grade A, B, C, or D for "Sales of Goods" in the current fiscal year, either through the national competitive participant qualification (Unified Qualifications for All Ministries and Agencies) or through the Japan Atomic Energy Agency's competitive participant qualification. Those who have not undergone qualification screening must undergo it before the bid opening and be recognized as having the qualification. Contract Period (Delivery Date): January 29, Reiwa 9 (2027). Delivery (Implementation) Location: J-PARC Center, Materials and Life Science Experimental Facility, 1st Helium Compressor Room. Contract Terms: Sales Contract Terms. Bid Deadline and Location: October 8, Reiwa 8 (2026), 10:00 AM. To be conducted through the electronic bidding system. Bid Opening Date and Time and Location: October 8, Reiwa 8 (2026), 10:00 AM. To be conducted through the electronic bidding system. Method of Obtaining Bidding Documents: JAEA website (Bidding Information, etc.) or same as the contracting officer. Distribution Deadline: Until September 3, Reiwa 8 (2026). Bid Explanation Meeting Date and Time and Location: None. Subject: Purchase of CRDS Trace Moisture Analyzer for Helium Refrigerator. Quantity: 1 set. Bidding Method: (1) Lump sum bid. (2) This matter requires submission of documents and bidding through the electronic bidding system. Contract Management Number: 0802C03131. PUBLIC NOTICE OF OPEN COMPETITIVE BIDDING: August 17, Reiwa 8 (2026). Naoya Matsumoto, Director of Financial Affairs and Contract, Japan Atomic Energy Agency. The qualifications and requirements for participation in this bid are as follows: *Before participating in competitive bidding, you are required to submit a "Power of Attorney/Seal Registration Form" and "Bank Transfer Request Form," etc. Please submit them as follows: https://www.jaea.go.jp/for_company/supply/format/a02.html Required Qualifications: Technical Requirements: None. (1) Must not fall under the provisions of Article 70 and Article 71 of the Order on Budget, Settlement, and Accounting. (2) Must be graded in grade A, B, C, or D for "Sales of Goods" in the current fiscal year, either through the national competitive participant qualification (Unified Qualifications for All Ministries and Agencies*) or through the Japan Atomic Energy Agency's competitive participant qualification. Those who have not undergone qualification screening must undergo it before the bid opening and be recognized as having the qualification. (3) Must not be currently under suspension of business from the Agency. (4) Must not be a company whose management is substantially controlled by a member of a violent group or a person equivalent thereto, as requested by the police authorities for exclusion from procurement contracts for construction work, surveying, manufacturing of goods, provision of services, etc., from the Japan Atomic Energy Agency, and such situation must not be ongoing. Bid Participation Qualification Requirements, etc. Purchase Specification for CRDS Trace Moisture Analyzer for Helium Refrigerator August 2026 Japan Atomic Energy Agency J-PARC Center, Materials and Life Science Division, Neutron Source Section 1. Subject: Purchase of CRDS Trace Moisture Analyzer for Helium Refrigerator. 2. Purpose: The cryogenic hydrogen system of the J-PARC spallation neutron source facility is a refrigeration system for cooling (moderating) neutrons generated to supply liquid hydrogen (1.5 MPa, 20K) to three moderator vessels and various neutron experimental devices. In the helium refrigerator of the cryogenic hydrogen system, purity management of the refrigerant gas (helium) is important, and currently, operation management is carried out using a moisture analyzer (dew point meter) and a gas chromatograph. A CRDS trace moisture analyzer has the advantage of measuring dew points over a wide range in helium gas with high accuracy and responding quickly to changes in dew point. On the other hand, the current moisture analyzer is aging and is being operated with repairs. Therefore, this project aims to replace the aging moisture analyzer with a higher-performance one. This will ensure the foundation for purity management of helium gas and secure the stable operation foundation of the world's highest intensity neutron beam shared facility. 3. Purchase Item Specifications: 1) General Requirements: Equivalent products are acceptable for the purchased items described in "2) Product Specifications." However, prior confirmation from JAEA is required. 2) Product Specifications: (1) CRDS Trace Moisture Analyzer: 1 set. Manufacturer: Shinyei Technology Co., Ltd. Model: mini CRDS-H2OBN0D0201 Specifications: ① Technical Specifications (Sensor Unit): - Moisture measurement range: 12 ppbv to 20 ppmv (dew point: -100 to -55°C) - Response time: 50 ppbv ⇔ 1000 ppbv Approx. 60 seconds - Accuracy: ±4% or ±12 ppbv, whichever is greater - Sample gas temperature: 5 to 60°C - Sample gas flow rate: < 2.0 L/min - Sample gas pressure: 86 to 106 kPa - Sample gas type: He, N2 ② Electrical Specifications: - Sensor unit drive power: AC100 V 50/60 Hz - Analog output: 4 to 20 mA ③ Other Specifications: - Operating environment: 10 to 40°C, 35 to 80% RH or less (non-condensing) - Sample gas connection: 1/4 UJR-RP (male) Remarks: Submit the instruction manual, calibration certificate, and traceability diagram for this product. (2) CRDS Measurement Monitor: 1 set. Manufacturer: Shinyei Technology Co., Ltd. Model: mini CRDS PC-D0V1 (3) Pressure Reducing Valve: 1 set. Manufacturer: Shinyei Technology Co., Ltd. Model: CRDS-002 (4) Metal Gas Filter: 5 units. Manufacturer: Shinyei Technology Co., Ltd. Model: CRDS-004 (5) Analog Output: 1 unit. Manufacturer: Shinyei Technology Co., Ltd. Model: CRDS-005 4. Delivery Date: January 29, Reiwa 9 (2027). 5. Delivery Location and Conditions: (1) Delivery Location: J-PARC Center, Materials and Life Science Experimental Facility, 1st Helium Compressor Room, 2 Shirakata, Tokai-mura, Naka-gun, Ibaraki Prefecture, Japan Atomic Energy Agency. (2) Delivery Conditions: Delivered to site. 6. Acceptance Inspection Conditions: Acceptance will be granted upon passing the inspections and tests described in (1) and (2) below. (1) Quantity inspection and appearance inspection after delivery to the location specified in Section 5. (2) Passing of operational tests in Table 1. Table 1. Operational Tests: Test Item: Test Content: Pass/Fail Criteria: Operational Test: After delivery, JAEA will start up the moisture analyzer, supply nitrogen or helium as sample gas, and operate continuously for 24 hours. Result: No abnormalities in moisture analyzer operation during 24 hours of continuous operation. 7. Promotion of Green Purchasing: (1) In this contract, environmental goods applicable to the Green Purchasing Law (Act on Promoting the Procurement of Environmental Goods, etc. by the Government and Other Entities) (office supplies, OA equipment, etc.) shall be adopted if they arise. (2) Submitted documents (printed matter) specified in these specifications must meet the "Paper" standards stipulated in the basic policy of the Green Purchasing Law. 8. Consultation: In case of any doubts regarding matters described in these specifications or matters not described herein, consultation shall be held with JAEA, and the decision shall be followed.