ML20036B710
| ML20036B710 | |
| Person / Time | |
|---|---|
| Site: | Maine Yankee |
| Issue date: | 05/20/1993 |
| From: | Durr J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Frizzle C Maine Yankee |
| Shared Package | |
| ML20036B711 | List: |
| References | |
| NUDOCS 9305270113 | |
| Download: ML20036B710 (3) | |
See also: IR 05000309/1993004
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MAY 2 01993
Docket No. 50-309
Mr. Charles D. Frizzle
President
Maine Yankee Atomic Power Company
83 Edison Drive
Augusta, Maine 04336
Dear Mr. Frizzle:
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SUBJECT: INSPECTION REPORT NO. 50-309/93-04
This letter refers to the safety inspection conducted by Mr. A. L. Della Greca of this office
on February 15-19, 1993, at the plant site in Wiscasset, Maine. Mr. Della Greca discussed
the inspection findings with Messrs. D. Whittier and G. M. Leitch and other members of
your staff on February 19, 1993. The results of our in-office review of the identified
discrepancies pertaining to the dynamic head developed by the low pressure system injection
and containment spray pumps were discussed or 4
8,1983, with Mr. C. R. Shaw of
your staff.
The inspection was directed toward areas important to public health and safety. The areas
examined are described in the NRC Region I Inspection Report that is enclosed with this
letter. Within these areas, the inspection consisted of selective examinations of procedures,
representative records, interviews with personnel, and observations by the inspector.
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We found that your staff had not adequately documented the necessary reviews for the
differences between the actual total dynamic head (TDH) and TDH derived from the
manufacturer's curves, for the containment spray and the low pressure safety injection
system pumps. This item will be reviewed during a future NRC inspection.
A review of your design modification program showed good control. Also good were the
steps taken to address the weaknesses in engineering design basis evaluations, despite the
minor discrepancies identified in this area. Additionally, our inspectors reviewed the
corrective actions for five previously identified issues. One issue was closed and the other
four issues required additional information for resolution.
In accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter and
its enclosures will be placed in the NRC Public Document Room.
OFFICIAL RECORD COPY A:MY9304. INS
9305270113 930520
ADDCK 05000309
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MAY 2 01993
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Mr. Charles D. Frizzle
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Your cooperation with us in this matter is appreciated.
Sincerely,
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Original Signed BY:
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F. K. Ecpcn
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Jacque P. Durr,b
Chief
Engineering Branch
Division of Reactor Safety
Enclosure: NRC Region I Inspection Report No. 50-309/93-04
cc w/ encl:
G. Leitch, Vice President, Operations
P. L. Anderson, Project Manager (Yankee Atomic Electric Company)
R. W. Blackmore, Plant Manager
J. A. Ritsher, Attorney (Ropes and Gray)
P. Dostie, State Nuclear Safety Inspector
Peter Brann, Assistant Attorney General
U. Vanags, Maine State Planning Office
C. Brinkman, Combustion Engineering, Inc.
First Selectmen of Wiscasset
Maine State Planning Officer
Public Document Room (PDR)
I.ocal Public Document Room (LPDR)
Nuclear Safety Information Center (NSIC)
K. Abraham, PAO (2)
NRC Resident Inspector
OFFICIAL RECORD COPY A:MY9304. INS
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Mr. Charles D. Frizzle
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bec w/ encl:
Region I Docket Room (with concurrences)
bec w/enci (VIA E-MAIL):
V. McCree, OEDO
E. Trottier, LPM, NRR
W. Butler, NRR
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OFFICIAL RECORD COPY A:MY9304. INS
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