ML20009E281
| ML20009E281 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek, Cooper, Arkansas Nuclear, River Bend, Waterford, South Texas, Comanche Peak, Fort Calhoun, Fort Saint Vrain  |
| Issue date: | 03/26/1981 |
| From: | Madsen G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| NUDOCS 8107270398 | |
| Download: ML20009E281 (1) | |
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MEMORANDUM FOR: Those Listed Below FROM:
G. L. Madsen, Chief, Reactor Projects Branch, IE:RIV
SUBJECT:
IE INFORMATION NOTICE NO. 81-10 Subject IE Infonnation Notice has been sent to the following listed licensees.
A copy of the letter and the IE Information Notice is attached for your infonnation.
Arkansas Power & Light Company Gulf States Utilities ANO-l &' 2 (50-313; 50-368)
River Ber d (50-458; 50-459)
Nebraska Public Power District Houston Lighting & Power Company Cooper Nuclear Station (50-298)
SouthTexas(50-498;50-4j9)
Omaha Public Power District Kansas Gas & Electric Company Ft. Calhoun Station (50-285)
Wolf Creek (STN 50-482)
Public Service Company of Colorado Louisiana Pcwer & Light Company Fort St. Vrain (50-267)
Waterford-3 (50-382)
Texas Utilities Generating Ccmpany Comanche Peak (50-50-445; 50-446)
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G. L. Madsen, Chief, Reactor Projects Branch Attachments:
As stated DISTRIBUTION:
IE/ CMS MAP /L0EB IE/RPRIB IE/ REB IE/SRSI IE/EP ACM/CMB 8107270390 810326 PDR ADOCK 05000267 G
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IE Information Nctice No. 81-10 Marcn 2E, 1981 Page 1 cf 2 INADVERTENT C*NTAISMENT SPRAY CUE TO ?ERSCNNEL ERRCR
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a single valve in the res' dual neat.1mova' (RNR) system.
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gallons of water,as sprayec into tne con air. ment f.c.m ne primary systam and frem the refueling watar st: rage tank (RWST).
Licensees and acplicants shcuid be aware of the following ascacts of this event and shcuid take acprepriate steps to prevent a recurrence at their Olant.
Tne auxilf ary unit cperat:r did not have adequate training er Orientati:n a-ne particular duty stati:n involvec. A single valve at that s ati:n is part of the primary c clant system pressure boundary wnen using the resicual heat remcval (iHR) system #cr snutdown 00ciing.
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w IN 81-10 Maren 25, 1931.
Page 2 of 2 Lack of an ECCS initia:fon crocacure for use in the shut:cwn c:ciing mece dic not significantly celay recovery frem this event, cut potentially c:uld have.
done so hac ne primary system :een a a nigner pressure.
70 provice-inje::1:n flow for 3ressuri:ec levei recovery, the ceaators 0:erec : a RHR system sucti:n valve fr:a -he RW57, cut sney neg!ec ec t: ci:se tne ;MR sy::em suc-i:n valves frem :he reac :r :: clan: sys en (RCS).
A pr:cer procacure wculc require i
tncse latter valves 50.be closec :o prevent react:r cressure frca seat ng a check va've in the RWST'suc:f on line, wnien culc prevent One injection Ocde for tre icw pressure (RHR) pumps f em being effective and ceiay rec:very from tne event.
A similar proclem with the terated water s:Orage tank (3W57) cneck valve cccurred at Crystai River 3 cn July 16, 1980 wnile One unit was in Mcce 5 with
- ne decay neat systam in use for snutdewn :: cling.
In:recer salve ali;nment on ne ce:ay heat system hea excnznge:'s caused a ra:ic c:olc:wn Of re RC5 wnica resulted in a icss of Oressurizar level.
When rec:very was at:amc:ec by realigning tne cecav heat system suctica :: tre 3%57, injecti:n ficw c:uld ne:
te estaclisnec until 205 pressure 2:proacned a:mespneri: canciti:ns since tne RCS suction valves remainac Open.
4 This reclem wcul: be :articularly significan: under a LOCA c:nci:icn wi n
- ne RCS temperature a:cve tofiing (Mcce 1).
The informa-ion nerein is being crevided as an early notification of a ;cs-sicly significant matter that is still uncer review by the NRC 3 af f.
Recip-ients snculd review tne informaticn for possible a:plicacility to their facilities. If NRC evaluation so indicates, further licensee actions may be recuestec.
No written resacnse to this information notice is recuirec.
If you need additional information regarcing :nis matter, contac: :na Director of :ne approcriate NRC Regional Offica.
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IE Information Notice No. 31-10 March 25, 1521 i..r - : I,yG C r-
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IE INF03MATION NOTICES Int:rmation Su: ject Date Issued Tc Nc:fca No.
Issuec 31-C1 Possible Failures of 1/15/31 All pcwer reactor faciittias General Electric Type wita an Opera-ing License
'-iays (CL) C:nstruction Permit (CP) 31-02 an.tportation of 1/23/31 All Radi:grapny ifcensees Radiograpny Devices 3'.-03 Checklis for Licensees 2/12/3'.
Ali ;cwer rea::cr Making Nctifica-icns of facilities witn an Significant I,ents in C: era-ing License (CL) anc Ac::rcance eita Near-term A:piicants 10 CFR Part 50.72 31-04 Crac'<ing in Main 5:aam 2/27/31 211 Ocwer reacter facili-fes.
Lines witn an C:erating Licensa (CL) or Ccnstructi:n Fermit (:P) 31-05 Failure of ITE Medel 3/11/31 All power react:r facilities K-500 Circuit 3reakar with an Ccerating License (OL) or C nstruction Permi; (CP) 31-05 Cegraded CC System at 3/12/31 Ali pcwer reacter faciif-fes Palisades with an Cperating License- (CL) or Construction Permit (CP) a '.-C 7
?c:entiai Precian with 3/13/31 Ali cwer reae::e Water-Scicole Durge Dam facilities witn an Materials Usec 2uring Cee-a-i g.icanse ( L)
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