ML19347D273
| ML19347D273 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 03/05/1981 |
| From: | Crutchfield D Office of Nuclear Reactor Regulation |
| To: | Hoffman D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| References | |
| TASK-06-07.B, TASK-6-7.B, TASK-RR LSO5-81-03-004, LSO5-81-3-4, NUDOCS 8103110707 | |
| Download: ML19347D273 (4) | |
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UNITED STATES NUCLEAR REGULATORY COMMISSION y
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Docket No. 50-155 LS05-81-03-004 D.'..(([I'f 4R
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hh Mr. David P. Hoffman Nuclear Lice >iing Administrator 84
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Dear Mr. Hoffman:
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SUBJECT:
SEP TOPIC VI-7.B. ESF SWITCH 0VER - (BIG ROCK POINT)
REQUEST FOR ADDITIONAL INFORMATION The enclosed request for additional information has been prepared as part of our evaluation of the ESF Switchover from Injection to Recirculation Podes at Big Rock Point.
Because this concern is a part of a SEP Topic, response within 30 days is requested so that we maintain the present SEP review schedule.
Sincerely, Dennis M. Crutchfield, Chief Operating Reactors Branch No. 5 Division of Licensing
Enclosure:
As stated cc w/ enclosure:
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f Mr. David P. Hoffman cc Mr. Paul A. Perry, Secretary U. S. Environmental Protection Consumers Power Company Agency 212 West Michigan Avemie Federal Activities Branch Jackson, Michigan 49201 Region Y Office ATTN: EIS COORDINATOR Judd L. Bacon, Esquire 230 South Dearborn Street Consumers Power Conpany Chicago, Illinois 60604 212 West Michigan Avenue Jackson, Michigan 49201 Herbert Grossman, Esq., Chairman Atomic Safety and Licensing Board Joseph Gallo, Esquire U. S. Nuclear Regulatory Commission Isham, Lincoln & Beale Washington, D. C.
20555 1120 Connecticut Avenue Room 325 Dr. Oscar H. Paris Washington, D. C.
20036 Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission Peter W. Steketee, Esquire Washington, D. C.
20555 505 Peoples Building Grand Rapids, Michigan 49503 Mr. Frederick J. Shon Atomic Safety and Licensing Board Alan S. Rosenthal Esq., Chairman U. S. Nuclear Regulatory Commission Atomic Safety & Licensing Appeal Board Washington, D. C.
20555 U. S. Nuclear Regulatory Commission Washington, D. C.
20555 Big Rock Point Nuclear Power Plant ATTN: Mr. C. J. Hartman Mr. John O'Neill, II Plant Superintendent Route 2, Box 44 Charlevoix, Michigan 49720 Maple City. Michigan 49664 Christa-Maria Charlevoix Public Library Route 2, Box 108C 107 C?inton Street Charlevoix, Michigan 49720 Charlevoix, Michigan William J. Scanlon Esquire Chairman 2034 Pauline Boulevard County Board of Supervisors Ann Arbor, Michigan 48103 Charlevoix County Charlevoix, Michigan 49720 Resident Inspector Big Rock Point Plant Office of the Governor (2) c/o U.S. NRC Room 1 - Capitol Building RR #3, Box 600 Lansing, Michigan 48913 Charlevoix, Michigan 49720 <
Director, Criteria and Standards Mr. Jim E. Mills Division Route 2, Box 10BC Office of Radiation Programs Charlevoix, Michigan 49720 (ANR-460)
U. S. Environmental Protection Thomas S. Moore Agency Atomic Safety & Licensing Appeal Board Washington, D. C.
20460 U. S. Nuclear Regulatory Commission Washington, D. C.
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l Mr. David P. Hof finan 1
I CC Or. Jenn H. Buck Atce.ic Safety anc Licensing Appeal Boarc U. S. Nuclear Regulatory Cen?.ission Washingtcn, D. C.
20555 Ms. JoAnn Bier 204 Clinton Street Charlevoix,.Micnigan 49720 i
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9 REQUEST FOR ADDITIONAL INFORMATION ON SEP TOPIC VI-7.B d
By text, P&ID, and electrical schematics; describe the design provisions and procedures used in your plant to satisfy the requirements of Branch Technical Position ICSB-20. The information provided should include, but need not be limited to, the following:
(1) Describe the procedures used to switchover from the injection to the recirculation mode of emergency core cooling (ECC).
(2) For each instrument, indicator, logic device and alarm that is used by the operator to perform a manual function or that is used to initiate an automatic function in the switchover sequence; describe how that device is qualified and installed (e.g.
Independence and separation of circuits) as Class 1E equipment.
(3) Describe the level sensing system that is, used to indicate or detect the level in the containment sump. This description should include sensor and data column location, freeze protection, freeze protection power supply and those items specified in (2) above.
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