ML20041D595
| ML20041D595 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek, Cooper, Arkansas Nuclear, River Bend, Waterford, South Texas, Comanche Peak, Fort Calhoun, 05000000, Fort Saint Vrain |
| Issue date: | 02/26/1982 |
| From: | Jay Collins NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | ARKANSAS POWER & LIGHT CO., GULF STATES UTILITIES CO., HOUSTON LIGHTING & POWER CO., KANSAS GAS & ELECTRIC CO., LOUISIANA POWER & LIGHT CO., NEBRASKA PUBLIC POWER DISTRICT, OMAHA PUBLIC POWER DISTRICT, PUBLIC SERVICE CO. OF COLORADO, TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| References | |
| NUDOCS 8203050445 | |
| Download: ML20041D595 (2) | |
Text
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' D'o UNITED STATES
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NUCLEAR REGULATORY COMMISSION h-9 REGION IV
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<f 611 RYAN PLAZA DRIVE, SUITE 1000 ARLINGTON, TEXAS 76011
,, g February 26, 1982 Gentlemen:
Due to a reproduction problem, Figure 3 of IE Information Notice No. 82-01 may have been incomplete when issued to you. A reissue of Figure 3 is enclosed.
A revision of Table 1 is also enclosed to further clarify the circuit diagrams.
If you have any questions regarding this matter, please contact this office.
Sincerely, Original cicnod by~
John T. Collina John T. Collins Regional Administrator
Enclosures:
1.
IE Information Notice No. 82-01, Rev. 1 2.
List of Recently Issued Information Notices 82O3050445 820226 DRADOCK05000g
IE INFORMATION NOTICE 82-01, REV. 1 = AUXILIARY FEEDWATER PUMP LOCK 0UT RESULTING FROM WESTINGHOUSE W-2 SWITCH CIRCUIT MODIFICATION Licensee Facility / Docket Number Arkansas Power and Light Conpany Arkansas Nuclear One, Unit 1 & 2 Little Rock Arkansas 50-313; 50-368 Nebraska Public Power District Cooper Nuclear Station Columbus, Nebraska 50-298 0maha Public Power District Fort Calhoun Station Omaha, Nebraska 50-285 Public Service Company of Colorado Fort St. Vrain Generating Station Denver, Colorado 50-267 Gulf States Utilities River Bend Beaumont, Texas 50-458; 50-459 Houston Lighting & Power Company South Texas Project Houston, Texas 50-498; 50-496 Kansas Gas & Electric Company Wolf Creek Wichita, Kansas STN 50-482 Louisiana Power & Light Company Waterford-3 New Orleans, Louisiana 50-382 Texas Utilities Generating Company Comanche Peak Steam Electric Station Dallas, Texas 50-445; 50-446 co S
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SSINS No.:
6835 Accession No.:
Apepeessammi Mo&cNo/c5 IN 82-01, Rev. 1 UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C.
20555
. February 26, 1982 IE INFORMATION NOTICE NO. 82-01, REV. 1:
AUXILIARY FEEDWATER PUMP LOCK 0UT RESULTING FROM WESTINGHOUSE W-2 SWITCH CIRCUIT MODIFICATION i'
Due to a reproduction problem, Figure 3 of IE Information Notice No. 82-01 was incomplete as issued to some power reactor facilities holding an operating
-license or construction permit.
A reissue of Figure 3 is attached.
Table 1 is also revised to further clarify the circuit diagrams.
No specific action or response is required at this time.
If you have any 4
questions regarding this matter, please contact the Regional Administrator of-the appropriate NRC Regional Office.
Attachment:
Figure 3 and Table 1
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NOTE: TRIPPING BREAKER WITH AUTO-START SIGNAL PRESENT WILL OPE CONTACTS AND E, AND OPEN CONTACT CTO O
. THE SNEAK PATH WILL PERSIST IN KEEPING (Y) Coll ENERGlZED THEREBY PREVENTING CONTACTS 1 AND FROM CHANGING STATUS TO ENERGlZE THE b
UNL.ATCHING (X) COIL AND RECLOSE THE BREAKER ON DEMAND.
Figure 3 Sneak Path in Control Switch " Neutral" Position with Auto Stan Signal Present TABLE 1 Legencf for iigures 1-3 CS Control Switch, Spring Return to Neutral X Closing Coil (contacts are closeci only in switch position designated; U, closed; Y Anti-Pump Coil T = tripped; O = neutral; etc.)
LS Y Y Limit Switch / Breaker Charging
- a. E ANTI-PUMP C0lt CONTACTS Spring Status (a = contact closed when 52 52 spring charged, b = contact E E~
Breaker Auxiliary Contacts closed when spring (a = contact closed when Breaker closed, discharged) b = contact closed when Breaker opened)
-- Sneak Power Path i
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AS Safeguards Contacts (closed for Auto-Start) l l
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>e IE Information Notice No. 82'-01, Revision 1 February 26, 1982 4
LISTING OF RECENTLY ISSUED IE INFORMATION NOTICES Information Subject Date Issued To Notice No.
Issued 81-37
. Unnecessary Radiation 12/15/81 All byproduct material Exposure to Public &
licensees Workers during Events Involving Thickness &
Level Measuring Devices 81-38 Potentially Significant 12/17/81 All power reactor facilities Equipment Failures with an Operating License Resulting from Contam-(0L) or Construction Permit ination of (CP)
Air-0perated Systems 81-39 EPA Crosscheck Program -
12/23/81 All power reactor facilities Low Level Radiciodine in with an Operating License Water Test Program (OL) or Construction Permit (CP), and Priority I material licensees 82-01 Auxiliary Feedwater Pump 1/25/82 All power reactor facilities Lockout Resulting from with an Operating License 1
Westinghouse W-2 Switch (OL) or Construction Permit Circuit Modification (CP) 80-32 Clarification of Certain 2/12/82 All fuel facility, materials, Rev. 1 Requirements for Exclusive-and Part 50 licensees Use Shipments of Radioactive Materials 01 Auxiliary Feedwater Pump 2/26/82 All power reactor facilities i
Rev. 1 Lockout Resulting from with an Operating License Westinghouse W-2 Switch (OL) or Construction Permit Circuit Modification (CP)
Enclosure
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