ML20128B169
| ML20128B169 | |
| Person / Time | |
|---|---|
| Site: | Monticello, Calvert Cliffs, Vermont Yankee  |
| Issue date: | 08/30/1974 |
| From: | Wachter L NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| IEB-74-09, IEB-74-9, NUDOCS 9212030581 | |
| Download: ML20128B169 (1) | |
Text
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NORTHERH STATES POWER COMPANY MINNE APOLIS. MINNE SQTA 38400 f)
August 30, 1974 4
Mr. J. G. Keppler, Regional Director Directorate of Regulatory Operations Region 111 799 Roosevelt Road
- Glen Ellyn, Illinois 60173 beer Mr. Kepplert MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 In accordance with Item B of Directorate of Regulatory Operations Bulletin-74-9, the following information is submitted:-
a.
Circuit breakers of the described Calvert Cliffs type are-installed at Monticello. Discussions.with the circuit breaker manuf acturer. (CE) indicate that oversized trip. roller bars are installed. Properly sized trip roller bars have been ordered and will be installed during the next refueling outage which is acheduled for January, 1975. It is not,cd that no circuit t
e': failures of the type deacribed in the R0 Bulletin have bi experienced at Monticello, b.
Swituhgear of th S mont Yankee type is.not installed at Monticello; howe.'..., the switchgear which is installed does incorporate station.?v auxiliary switch assemblies similar to those described. 'Iounting bolt tightness is checked as part of the annual preventive maintenance program. This program was completed during the Spring,1974, refueling outage and no loose mounting bolts were discovered.
Verification of mounting bolt tightness will continue to be part of the established preventive maintenance program.-
Yours very truly, h
L. J.- achter Vice President-Power Production
,and System Operation, cc: Mr. J. F. O' Leary, Directorate of Licensing.
Mr. G. Charnoff Minnesota Pollution Control-Agency Attention: Mr. E. A. Pryzina.
3 N I<
SEP 9212030581 70030 w--. -4 PDR. ADOCK 05000263
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