ML20054B162
| ML20054B162 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 04/13/1982 |
| From: | Lundvall A BALTIMORE GAS & ELECTRIC CO. |
| To: | Clark R Office of Nuclear Reactor Regulation |
| References | |
| RTR-NUREG-0737, RTR-NUREG-737, TASK-2.F.1, TASK-TM IEB-79-01B, IEB-79-1B, NUDOCS 8204160360 | |
| Download: ML20054B162 (2) | |
Text
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BALTI M ORE GAS AND ELECTRIC CHARLES CENTER.P.O. BOX 1475 BALTIMORE, MARYLAND 21203 ARTHUR E. LUNDVALL. JR.
April 13, 1982 g
VICE PRE 5iDENT h
SuppLv Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission o,
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Washington, D. C.
20555
,fq Attn:
Mr. R. A. Clark, Chief h
[h Operating Reactors Branch #3 5:#
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Division of Licensing
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Subject:
Calvert Cliffs Nuclear Power Plant Unit No. 1, Docket No. 50-317 TMI Action Plan Item II.F.1.3
References:
(a) Letter from R. A. Clark to A. E. Lundvall, dated 1/7/82, same subject.
(b) Letter from A. E. Lundvall to R. W. Reid dated 3/17/80,
Subject:
High Range Containment Radiation Monitors.
(c) Letter from D. G. Eisenhut to All Licensees of Operating Plants dated 9/5/82;
Subject:
Preliminary Clarification of 'IMI Action Plan Requirements.
(c) NUREG-0737, Post-TMI Requirements Gentlemen:
Reference (a) requested that we notify you of any technical deviations in our position in resnonse to the subject TMI Action Plan Item.
We described our containment high range monitoring system in some detail in reference (b). When our equipment was ordered, not all of the details provided in references (c) and (d) were available. Our equipment design is under review per NUREG-0737, Appendix B, and is expected to comply with the requirements for Category 1 instruments.
High range radiation detector calibration is described in reference (d) as a "special environmental qualification." Linearity of the detector design has been demonstrated, and our detector calibration is certified prior to initial use at 50 R/hr and contains a 1 R/hr O
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o Mr. R. A. Clark Page 2 Anril 13,--1902-alpha check source. It should be noted that OM detectors have already been installed. As previously renorted, we are handling qualification issues in a coordinated manner through our effort in connection with I&E Bulletin 79-OlB.
Very truly yours,
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J. A. Biddison, Esquire G. F. Trowbridge, Esquire Messrs. D. H. Jmffe - ?mC R. E. Architzel - ImC