ML17328A016
| ML17328A016 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 05/01/1989 |
| From: | Alexich M INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| AEP:NRC:1091, NUDOCS 8905050190 | |
| Download: ML17328A016 (5) | |
Text
ACCELERATED DIQPBUTlON DE MONSTlI10N SYSTEM REGULATORY INFORMATION,DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBR:8905050190 DOC.DATE: 89/05/01 NOTARIZED: NO DOCKET I FACIL:50-315 Donald C.
Cook Nuclear Power Plant:, Unit 1, Xndiana 05000315 50-316 Donald C.
Cook Nuclear Power Plant, Unit 2, Indiana 05000316 AUTH.NAME AUTHOR AFFILIATION ALEXICH,M.P.
(formerly Indiana
& Michigan Ele RECIP.NAME RECIPIENT AFFXLIATION Document Control Branch (Document Control Desk)
SUBJECT:
Responds to NRC requests for followup contermeasures intended as result inappropriate inverter breaker switch.
DISTRIBUTION CODE:
A001D COPIES RECEIVED:LTR ENCL SIZE:
TITLE: OR Submittal:
General Distribution NOTES:
RECIPIENT ID CODE/NAME PD3-1 LA STANG,J COPIES LTTR ENCL 1
1 5
5 RECIPIENT ID CODE/NAME PD3-1 PD COPXES LTTR ENCL 1
1 INTERNAL: NRR/DEST/ADS 7E NRR/DEST/ESB 8D NRR/DEST/MTB 9H NRR/DOEA/TSB 11 QC/WOMB G FILE 01 EXTERNAL: LPDR NSIC 1
1 1
1 1
1 1
1 1
0 1
1"=
1 1
1 1
NRR/DEST/CEB 8H NRR/DEST/ICSB NRR/DEST/RSB 8E NUDOCS-ABSTRACT OGC/HDS1 RES/DSIR/EIB NRC PDR 1
-1 1
1 1
1 1
1 1
1 1
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NOTE 'ro ALL "RXDS>> RECZPZZNIS:
PIZASE HELP US 10 REDUCE WASTE!
CDÃI'ACI'IHE DOCUMEZI'GNIROL DESK, ROOM Pl-37 (EXT. 20079) K) ELQGZATE KXJR HME FKR DISTEKBVTION LISTS H)R DCCUMENI'S YOU DON'T NEEDt S
TOTAL NUMBER OF COPXES REQUIRED:
LTTR 22 ENCL 20
indiana Michigan Power Company P.O. Box 16631 Coiumbus, OH 43216 AEP:NRC'1091 Donald C.
Cook Nuclear Plant Units 1 and 2
Docket Nos.
50-315 and 50-316 License Nos.
DPR-58 and DPR-74 COUNTERMEASURES PROGRAM U.
S. Nuclear Regulatory Commission Document Control Desk Washington, D.
C.
20555 Attn: A. B. Davis May 1, 1989
Dear Mr. Davis:
The purpose of this letter is to respond to your staff's request to provide the follow-up countermeasures we intend to take as a
result of an inappropriate inverter breaker switch setting discovered on April 10,- 1989.
The attached countermeasures will also be included in our notification S-LER-89-1, which is being submitted under 10 CFR 73.71.
This document has been prepared following Corporate procedures that incorporate a reasonable set of controls to ensure its accuracy and completeness prior to signature by the undersigned.
Sincerely, M
. Alex h
Vice President MPA/eh Attachment cc:
D. H. Williams, Jr.
W.
G. Smith, Jr.
- Bridgman R.
C. Callen G. Charnoff G. Bruchmann A. B. Davis
- Region III NRC Resident Inspector
- Bridgman
(
85'05050i90 89050i PDR ADQCK 050003i5 F',
ATTACHMENT TO AEP:NRC:1091 COUNTERMEASURES PROGRAM
C
lg Counter Measures Pro ram Counter measures have been developed to prevent, deter and/or mitigate the possibility of repositioning of valves or switches during the D.
C.
Cook 1989 Unit 1 refueling outage.
Continue increased security patrols throughout the plant during the 1989 Unit 1 refueling outage.
Distribute an awareness letter to all site personnel emphasizing increased alertness for mis-positioned switches or valves and the possibility of persons treating equipment or systems in an unacceptable manner.
C f 11 t
k all unexplained plant occurrences and determine are u
y rac if the occurrence relates to personnel involved in t e ese generator or other incidents.
The Security Manager will coordinate with Assistant Plant Managers to assure dedicated technical expertise is availab e to assist Security in the event of future occurrences involving plant equipment or systems.
0 During the next test run of the Unit 1
CD Diesel, post a security officer at the inverter panel to observe the inverter breaker or any anomalous occurrence which might permit the breakers to trip from an "on's to a full "off" position Emphasize to security personnel at each pre-shift briefing throughout the outage, the necessity to be continuously alert.
Th b iefin should include the necessity to listen carefully and evaluate and report any and all information received from plant o
A personnel regarding safety, poor housekeeping, unacceptable o
f poor work practices.
Also observe and report evidence o
unauthorized persons positioning switches or turning valves.
Senior plant management will closely monitor Unit 1 restart ac vti ities and evaluate problems encountered during evolutions.
They will notify Security immediately if evidence of unexplai lained events is detected.
The plant Security Manager will ensure that plant Security Staff personnel are on call continuously during restart activities.