ML26035A155
| ML26035A155 | |
| Person / Time | |
|---|---|
| Site: | 07109798 |
| Issue date: | 12/01/2025 |
| From: | Plate N US Dept of Energy, Division of Naval Reactors |
| To: | Andrea Kock Office of Nuclear Material Safety and Safeguards |
| References | |
| NR:RR:JHKampen G#25-04041 | |
| Download: ML26035A155 (0) | |
Text
NR:RR:JHKampen G#25-04041 01 Dec 2025 Andrea L. Kock Director, Office of Nuclear Materials Safety and Safeguards Nuclear Regulatory Commission Washington, DC 20555 D2G POWER UNIT SHIPPING CONTAINERNUCLEAR REGULATORY COMMISSION CERTIFICATE OF COMPLIANCE USA/9798/B(U)F-96; REQUEST FOR RENEWAL
Background:
The D2G Power Unit Shipping Container (PUSC) is used to ship non-irradiated D2W power units. The Nuclear Regulatory Commission (NRC) Certificate of Compliance (CoC) (Revision Original) for the D2G PUSC, USA/9798/B(U)F-96, was issued on June 4, 2021, with a defined expiration date of June 30, 2026. Since issuance of the CoC, there have been no operational experiences or container modifications that would preclude continued use of the container.
Request for NRC Action: This letter requests renewal of the NRC CoC for the D2G PUSC, USA/9798/B(U)F-96, in accordance with 10CFR71.38. Enclosure (1) to this letter provides the requested changes to the NRC CoC. There are no technical changes in this request. If you have any questions, please do not hesitate to call me at (202) 781-6034.
N. S. Plate Naval Reactors
Enclosure:
(1) REQUESTED CHANGES TO NRC CERTIFICATE OF COMPLIANCE USA/9798/B(U)F-96 NTK: ALLS-GEN Copy to: see next page.
DEPARTMENT OF ENERGY NATIONAL NUCLEAR SECURITY ADMINISTRATION 1000 INDEPENDENCE AVENUE SW WASHINGTON DC 20585-1000 Digitally signed by platens@nnpp.gov (1000013550)
Date: 2025.12.01 14:18:17 -05'00'
2 NR:RR:JHKampen G#25-04041 2
Copy to (Electronic):
Distribution via ADSARS General Manager, NNL (Thomas Sambolt)
Executive Manager, RS.Reactor Servicing (RS), NNL (Vince Pantloni)
Executive Manager, RSS.Reactor Servicing Systems (RSS), NNL (Laura Iannacci)
Subdivision Technical Manager, RSS.Shipping Containers, NNL (Kurt Snyder)
Unit Technical Manager, RSS.Shipping Methods and Innovation, NNL (Jesse Hilman)
Mechanical Engineer, RSS.Shipping Methods and Innovation, NNL (Carol Young)
Manager, NRLFO, NRLFO.NR Laboratory Field Office, NR (Jay Showman)
Assistant Manager, Business Integration, NRLFO AMBI.Assistant Manager for Business Integration, NR (Thomas Weis)
Transportation Officer, NRLFO AMBI.Transportation Division, NR (Mark Salamon)
Chief, Transportation Operations Branch, NRLFO AMBI.Transportation Division, NR (John Snell)
Rail Logistics Specialist, NRLFO AMBI.Transportation Division, NR (Martin Abel)
Other Electronic Distribution:
Director, Division of Fuel Management, NMSS, NRC (S. Helton)
Chief, Storage and Transportation Licensing Branch, DFM, NMSS, NRC (Y. Diaz-Sanabria)
Project Manager, STLB, DFM, NMSS, NRC (N. Devaser)
1 Enclosure (1) to NR:RR:JHKampen G#25-04041 Enclosure (1)
REQUESTED CHANGES TO NRC CERTIFICATE OF COMPLIANCE USA/9798/B(U)F-96
U.S. NUCLEAR REGULATORY COMMISSION NRC FORM 618 (8-2000) 10 CFR 71 CERTIFICATE OF COMPLIANCE FOR RADIOACTIVE MATERIAL PACKAGES 1.
- a. CERTIFICATE NUMBER
- b. REVISION NUMBER
- c. DOCKET NUMBER
- d. PACKAGE IDENTIFICATION NUMBER PAGE PAGES 9798 0
71-9798 USA/9798/B(U)F-96 1
OF 2
2.
PREAMBLE
- a. This certificate is issued to certify that the package (packaging and contents) described in Item 5 below meets the applicable safety standards set forth in Title 10, Code of Federal Regulations, Part 71, Packaging and Transportation of Radioactive Material.
b.
This certificate does not relieve the consignor from compliance with any requirement of the regulations of the U.S. Department of Transportation or other applicable regulatory agencies, including the government of any country through or into which the package will be transported.
3.
THIS CERTIFICATE IS ISSUED ON THE BASIS OF A SAFETY ANALYSIS REPORT OF THE PACKAGE DESIGN OR APPLICATION a.
ISSUED TO (Name and Address)
- b. TITLE AND IDENTIFICATION OF REPORT OR APPLICATION U.S. Department of Energy Division of Naval Reactors Washington, DC 20585 Safety Analysis Report for D2G Power Unit Shipping Container dated September 22, 2020, as supplemented.
- 4. CONDITIONS This certificate is conditional upon fulfilling the requirements of 10 CFR Part 71, as applicable, and the conditions specified below.
5.(a)
Packaging (1)
Model No.: D2G Power Unit Shipping Container (2)
Description The D2G Power Unit Shipping Container (PUSC) assembly consists of three main components: (1) the barrel assembly, (2) the upper cover, and (3) the lower cover. The PUSC is approximately 31 feet long and 10 feet-8 inches wide at widest point. The D2G PUSC weighs approximately 230,000 pounds when loaded with a D2W power unit.
The D2W power unit is retained in the PUSC by a shipping ring which clamps the closure head and core assembly to the upper ring of the PUSC barrel. Eight studs fasten the shipping ring to the barrel upper ring to secure the power unit. Control rod motion is restrained within the power unit by the control drive mechanisms.
(3)
Drawings Packaging components are constructed in accordance with the drawings contained in safety analysis report Appendix A.1.3.3.
5.(b)
Contents (1)
Type and form of material D2W power unit consisting of a core barrel, unirradiated fuel assemblies, closure head, mechanisms and associated hardware, with all design control rods and mechanisms installed) containing unirradiated uranium enriched in the U-235 isotope.
1
U.S. NUCLEAR REGULATORY COMMISSION NRC FORM 618 (8-2000) 10 CFR 71 CERTIFICATE OF COMPLIANCE FOR RADIOACTIVE MATERIAL PACKAGES 1.
- a. CERTIFICATE NUMBER
- b. REVISION NUMBER
- c. DOCKET NUMBER
- d. PACKAGE IDENTIFICATION NUMBER PAGE PAGES 9798 0
71-9798 USA/9798/B(U)F-96 2
OF 2
5.(b)
Contents (continued)
(2)
Maximum quantity of material per package One power unit as described in 5(b)(1).
(c)
Transport Index for Criticality Control (Criticality Safety Index)
Minimum transport index to be shown on label for nuclear criticality control:
100 6.
Shipment of D2W power units in the D2G PUSC is limited to a lowest service temperature of 20oF.
The package must not be shipped unless the forecast minimum temperature for the period of the shipment is greater than this lower service temperature.
7.
The package shall be prepared for shipment and operated in accordance with the Operating Procedures in Chapter 7.0 of the application, and each packaging shall be tested and maintained in accordance with the Acceptance Tests and Maintenance Program in Chapter 8.0 of the application.
8.
Air transport of a D2G PUSC loaded with fissile material is not authorized.
9.
Expiration date: June 30, 2026.
REFERENCES Department of Energy, Division of Naval Reactors, application dated September 17, 2020.
FOR THE U.S. NUCLEAR REGULATORY COMMISSION John B. McKirgan, Chief Licensing Branch Division of Spent Fuel Storage and Transportation Office of Nuclear Material Safety and Safeguards Date: June 4, 2021 Signed by McKirgan, John on 06/04/21 1
June 30, 2031 Renew Renew Supplement: Naval Reactors Letter G#25-04041 dated December 1, 2025.