IR 05000271/1979001
| ML19289D815 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 01/25/1979 |
| From: | Joyner J, Shaub E, Roxanne Summers NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| Shared Package | |
| ML19289D811 | List: |
| References | |
| 50-271-79-01, 50-271-79-1, NUDOCS 7903140487 | |
| Download: ML19289D815 (7) | |
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U.S. NUCLEAR REGULATORY COMMISSION
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OFFICE OF INSPECTION AND ENFORCEMENT Region I Report No.
79-01
50-271 Docket No.
C License No.
DPR-28 Priority Category Licensee:
' Vermont Yankee Nuclear Power Corp.
20 Turnpike Road Westborough, Massachusetts 01581 Facility Name:
Vermont Yankee Inspection at:
Vermont Yankee and Westborough, Massachusetts Inspection conducted:
January 3 and 4,1979 Inspectors:
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) l29 3g R. i Sumers, Auditor
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E. T. Shaub, Safegu'ards Technician date signed
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date signed
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Approved by:
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Q/H.@fnerf Chief, Nuclear Material Control date signed Support Section, Safeguards Branch Inspection Summary:
Inspection on January 3 and 4, 1979 (Report No. 50-271/79-01)
Areas Inspected: Routine, unannounced material control and accounting inspection including review of facility organization and operation, measurement and controls, shipping and receiving, storage and internal control, physical inventory, records and reports, and management of material control system.
The inspection involved a total of 28 man-hours onsite by two NRC regional based inspectors.
Results: Of the seven areas inspected, no apparent items of noncompliance were found.
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7903140487 Region I Form 12 (Rev. April 77)
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DETAILS 1.
Persons Contacted
- W. F. Conway, Plant Superintendent
- A. R. Soucy, Assistant Treasurer, Yankee Atomic Electric Company R. Cacciapouti, Senior Titled Engineer M. Kowalczyk, Junior Accountant
- S. Jefferson, Reactor Engineer
- B. Webber, Computer Engineer
- D. Girroir, Engineering Assistant
- denotes those present at exit interview at the corporate office in Westborough, Massachusetts.
- denotes those present at exit interview at the Vermont Yankee Reactor site.
2.
Facility Organization and Operation The licensee has established an organizational structure responsive to nuclear material control and accounting requirements. The over-all custody of special nuclear material (SNM) and management of the nuclear material control and accountability program is the respon-sibility of the Reactor Engineer. A sufficient number of item control areas (ICAs) have been established for the physical and administrative control of special nuclear material.
Vermont Yankee Nuclear Power Corporation utilizes the accounting department of the Yankee Atomic Electric Company, located in Westborough, Massachusetts, for maintenance of central accountability records.
In addition, plant records (fuel element transfer documents, fuel element history forms, and element location charts for the core, new fuel pon1 and spent fuel pool) are maintained at the Vermont Yankee site.
A walk-through inspection of the facility was conducted.
As a re-sult of this inspection it was determined that the possession and use of SNM have been confined to the locations and purpose.. auth-orized in the license.
All operations involving SNM are the respon-sibility of the Reactor Enginee.-
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The nuclear material activity for the period covered by this inspection is shown in Exhibits I and II of this report.
No items of noncompliance were identified.
3.
Measurement and Controls The inspector verified that the licensee has a method of computing thermal output, uranium and uranium-235 depletion, and plutonium production.
Isotopic burnup and production data are calculated using the GE 00-12 program. The site process computer monitors plant para-meters and conducts calorimetric measurements. This data is used in the 00-12 program to develop core exposures which are then trans-lated into burnup and production results for each fuel assembly.
An NRC independent determination of tha uranium-235 depletion and plutonium production agrees with the licensee's reported figures as shown on their Material Status Reports submitted for the period June 30, 1976 to September 30, 1978.
No items of noncompliance were identified.
4.
Shipping and Receiving
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The licensee has established and maintains procedures to assure that all special nuclear material shipped or received is accurately accounted for.
A review was performed of all Forms NRC-741 generated during the period covered by the inspection to determine proper signature, timely dis-patch and accuracy of data.
No items of noncompliance were identified.
5.
Storage and Internal Control The licensee has established a system of storage and internal control of SNM that provides current knowledge of the quantity, identity and location of all SNM within the facility.
Perpetual inventory records are maintained at both the Vermont Yankee and corporate office sites. These records include grid maps of the reactor core, spent fuel pool and new fuel storage area.
The inven-tory records are reconciled to the physical inventory.
In addition to the above records, the fuel element history cards and the SNM transfer forms are used to maintain item control.
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The inspectors selected 100 fuel assemblies at random and traced their movement within the facility.
In addition, the present location of the assemblies was traced to the tag boards and grid maps.
No discrep-ancies were noted.
No items of noncompliance were identified.
6.
Inventory The licensee conducts a physical inventory every six months to conform to the reporting periods for Material Status Reports (Form NRC-742).
The inspectors performed an inventory verification which consisted of a piece count of fuel assemblies in the spent fuel pool and cross checking the core loading schematic to the tag boards and fuel ele-ment history cards.
No discrepancies were noted.
The inspectors verified the serial numbers of six assemblies in the spent fuel pool.
The serial numbers agreed with the perpetual inventory records.
Results of the inventory are as follows:
Location Fuel Assemblies.
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New Fuel Storage
Reactor 368 Spent Fuel Pool 694 No items of noncompliance were identified.
7.
Records and Reports A 100% audit of the Material Transaction Reports (Form NRC-74i) gener-ated during the period June 30, 1976 to September 30, 1978 was per-formed.
The documents were reviewed for completeness, accuracy, signature and timely dispatch.
Material Status Reports (Form NRC-742)
submitted during this period were also reviewed for proper signature, time of submission and accuracy of data.
No items of noncompliance were identifie.
Management of Material Control System The licensee has established, naintained and follows a management system which provides for the development, revision and implementa-tion of nuclear material control and accounting procedures. The licensee OA section performs an annual audit of the material control and accountability system at both the Vermont site and the corporate office.
No items of noncompliance were identified.
9.
Exit Interview The inspectors met with the licensee representatives (denoted in Paragraph 1) at the completion of the inspection at both Westborough, Massachusetts and Vernon, Vermont.
The scope and findings of the inspection were summarized by the inspectors.
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EXHIBIT I Vermont Yankee June 30,1976 to September 30, 1978 Material Balance Summary Enriched Uranium RIS:YMX Grams Element Isotope Beginning Inventory @ 6/30/76 163,613,349 2,818,476 Receipts 32,517,383 916,436 Material to Account For 196,130,732 3,734,912 Removals:
Shipments 22,523 675 Burn-up 1,363,848 713,867 MUF
0 Total Removals 1,386,371 714,542 Ending Inventory @ 9/30/78 194,744,361 3,020,370 Material Accounted For 196,130,732 3,734,912
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EXHIBIT II Vermont Yankee June 30,1976 to September 30, 1978 Material Balance Summary Plutonium RIS:YMX Grams Element Isotope Beginning Inventory 0 6/30/76 614,581 510,006 Receipts
0 Production 332,603 237,499 Material to Account For 947,184 747,505 Removals :
Shipments
0 Decay 3,272 3,272 Total Removals 3,272 3,272 Ending Inventory 0 9/30/78 943,912 744,233 Material Accounted For 947,184 747,505