IR 07200038/2021001
| ML21120A063 | |
| Person / Time | |
|---|---|
| Site: | McGuire, Mcguire  |
| Issue date: | 04/30/2021 |
| From: | Binoy Desai NRC/RGN-II/DRS/EB3 |
| To: | Teresa Ray Duke Energy Carolinas |
| References | |
| EPID I-2021-001-0150 IR 2021001 | |
| Download: ML21120A063 (6) | |
Text
April 30, 2021
SUBJECT:
MCGUIRE NUCLEAR STATION - CONSTRUCTION OF AN INDEPENDENT SPENT FUEL STORAGE INSTALLATION REPORT 07200038/2021001
Dear Mr. Ray:
On April 7, 2021, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at McGuire Nuclear Station and discussed the results of this inspection with you and other members of your staff. The results of this inspection are documented in the enclosed report.
No findings or violations of more than minor significance were identified during this inspection.
This letter, its enclosure, and your response (if any) will be made available for public inspection and copying at http://www.nrc.gov/reading-rm/adams.html and at the NRC Public Document Room in accordance with Title 10 of the Code of Federal Regulations 2.390, Public Inspections, Exemptions, Requests for Withholding.
Sincerely,
/RA/
Binoy B. Desai, Chief Engineering Branch 3 Division of Reactor Safety
Docket No. 07200038
Enclosure:
As stated
Inspection Report
Docket Number:
07200038
License Number:
Report Number:
07200038/2021001
Enterprise Identifier: I-2021-001-0150
Licensee:
Duke Energy Carolinas, LLC
Facility:
McGuire Nuclear Station
Location:
Huntersville, North Carolina
Inspection Dates:
February 15, 2021 to April 7, 2021
Inspectors:
P. Cooper, Senior Reactor Inspector
Approved By:
Binoy B. Desai, Chief
Engineering Branch 3
Division of Reactor Safety
SUMMARY
The U.S. Nuclear Regulatory Commission (NRC) continued monitoring the licensees
performance by conducting inspections of activities related to McGuire Nuclear Stations (MNS)
pre-operational activities of dry cask storage of spent fuel from February 15, 2021 to
April 7, 2021. The NRCs program for overseeing the safe operation of dry storage of spent fuel
at an Independent Spent Fuel Storage Installations (ISFSI) is described in Inspection Manual
Chapter 2690, Inspection Program for Dry Storage of Spent Reactor Fuel at Independent Spent
Fuel Storage Installations and for 10 CFR Part 71 Transportation Packagings.
List of Findings and Violations
No findings or violations of more than minor significance were identified.
Additional Tracking Items
None.
INSPECTION SCOPES
Inspections were conducted using the appropriate portions of the inspection procedures (IPs) in
effect at the beginning of the inspection unless otherwise noted. Currently approved IPs with
their attached revision histories are located on the public website at http://www.nrc.gov/reading-
rm/doc-collections/insp-manual/inspection-procedure/index.html. Samples were declared
complete when the IP requirements most appropriate to the inspection activity were met
consistent with Inspection Manual Chapter (IMC) 2690, Inspection Program for Storage of
Spent Reactor Fuel and Reactor-Related Greater-than-Class C Waste at Independent Spent
Fuel Storage Installations (ISFSI) and for 10 CFR Part 71 Transportation Packagings." The
inspectors reviewed selected procedures and records, observed activities, and interviewed
personnel to assess licensee performance and compliance with Commission rules and
regulations, license conditions, site procedures, and standards.
60853 - ON-SITE FABRICATION OF COMPONENTS AND CONSTRUCTION ON AN ISFSI
On-Site Fabrication of Components and Construction on an ISFSI (1 Sample)
(1)
On February 15 - April 7, 2021 the inspector conducted a review of licensee and
vendor activities in preparation for the construction of a concrete storage pad,
identified as Pad 9, to store 6 MAGNASTOR systems. The inspectors verified that
activities related to the ISFSI have been properly incorporated into the existing
licensee programs by reviewing the following activities:
a. ISFSI pad design
The inspector verified that the licensee completed evaluations which establish that
the ISFSI storage pads and areas have been designed to adequately support the
static and dynamic loads of the stored dry storage systems (DSS), considering
potential amplification of earthquakes through soil-structure interaction, and soil
liquefaction potential or other soil instability due to vibratory ground motion by
reviewing the following calculations;
- MCC-1140.00-00-0010, "Concrete Slab (foundation) Analysis for Dry Cask
Storage"
MCC-1140.00-00-0091, "Soil-Structure Interaction Analysis for ISFSI Pad 9"
b. ISFSI pad construction
The inspector verified the ISFSI storage pad was constructed in accordance with the
DSS Certificate of Compliance (CoC) and reviewed licensee controls that ensured no
adverse impact on site operations or technical specifications (TS) by performing the
following activities;
- The inspector walked down the construction area of the ISFSI pad to verify the
formwork and rebar placement complied to licensee-approved drawings,
specifications,
The inspectors observed the placement of the ISFSI slab, and observed tests
for concrete slump, air content, temperature measurements, and the
collection/preparation of cylinder samples for compression tests, to verify that
the work was implemented in accordance with the approved specifications
and procedures,
The inspector verified that the pad was being finished according to
approved specifications and code requirements,
Following completion of the 7-day and 28-day compression tests by the
independent laboratory, the inspector reviewed the results to verify that
the acceptance criteria were met.
INSPECTION RESULTS
No findings were identified.
EXIT MEETINGS AND DEBRIEFS
The inspectors verified no proprietary information was retained or documented in this report.
On April 7, 2021, the inspectors presented the results to Tom Ray, Site Vice President and
other members of the licensee staff.