ML20203L353
| ML20203L353 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 08/20/1986 |
| From: | Allen C COMMONWEALTH EDISON CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| 2011K, NUDOCS 8608260120 | |
| Download: ML20203L353 (2) | |
Text
/p') Commonwealth Edison t
i-One First Nr'ional Plan, Chicago, Illinois k'
ddress Reply to: Post Offr,e Box 707 L
Chicago, I!!inois 60690 - 0767 August 20, 1986 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555
Subject:
LaSalle County Station Unit 2 Additional Information Regarding Differential Pressure Switches NRC Docket No. 50-374 Reference (a):
J. G. Keppler letter to Cordell Reed dated August 7, 1986 transmitting Safety Evaluation Report for LaSalle County Unit 2 Startup.
Dear Mr. Denton:
Per the supplemental action #5 in reference (a), attached is the data from the calibration of the installed Level 3 SOR Differential Pressure Switches. This calibration was performed on August 18 and August 19, 1986, which is two weeks following Unit 2 startup.
If you or your staff have any additional questions regarding this matter, please address them to this office.
Very truly yours, C. M. Allen Nuclear Licensing Administrator 1m Attachment 1
cc:
R. Bernero - Region III Dr. A. Bournia - NRR Region III Inspector - LSCS h
20llK 0
0608260120 860820 1
PDR ADOCK 05000374 (l '
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o' LASALLE UNIT 2 LEVEL 3 SWITCH CALIBRATION DATA Setpoint: 58.9 inches w.c.
Calibration Tolerance: 58.4 to 59.4 inches w.c.
Action Limit: Less than 56.1 inches w.c.
More than 61.7 inches w.c.
Reject:
56.0 inches w.c. or less 61.8 inches w.c. or more Tech Spec LCO:
64.84 inches w.c.
11 inches indicated As Left As Found Switch 7/30/86 Setpoint Date l
24A 58.9 58.3 8/18 24B 58.9 59.15 8/18 24C 58.9 58.85 8/18 24D 59.0 58.9 8/18 l
38A 58.9 59.55 8/19 38B 58.9 59.2 8/19 I
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