ML19312B601
| ML19312B601 | |
| Person / Time | |
|---|---|
| Issue date: | 12/22/1978 |
| From: | Pappas H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Wright G ILLINOIS, STATE OF |
| References | |
| NUDOCS 7901020206 | |
| Download: ML19312B601 (3) | |
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UNITED ST ATtE
[g NUCLEAR REGULATORY COMMISSIOr:
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DEC2i 378 State of Illinois Department of Public Health ATT:::
Mr. Gary 2;. Wright, Chief Division of ;uclear Safety 535 West Jefferson Street Springfield, IL 62761 1
Gentlemen:
- i The enclosed IE Bulletin :;o. 78-14 titled " Deterioration of Buna-:'
Components In ASCO Solenoids" was sent to the following licensees on December 19, 1978, for action and information:
ACT10:;
Commonwealth Edison Company i.
Dresden 1, 2, 3 (50-10, 50-237, 50-249)
Quad Cities 1, 2 (50-254, 50-265) 5 Consumers Power Company Big Rock Point (50-155) i Dairyland Power Company LACSWR (50-409) j Iowa Electric Light and Power Company Duane Arnold.(50-331) 2;orthern States Power Company Monticello (50-263)
INFOPl!ATIO I American Electric Power Company Indiana and Michigan 4
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Cook-(50-315, 50-316) 1 Cincinnati Gas & Electric Company Zimmer (50-358) l l
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State of Illinois Cleveland Electric Illuminating Company Perry 1, 2 (50-440, 50-441)
Commonwealth Edison Company Braidwood 1, 2 (30-456, 50-457)
Byron 1, 2 (50-454, 50-453)
La Salle 1, 2 (50-373, 50-374)
Zion 1, 2 (50-295, 50-304)
Consumers Power Company Midland 1, 2 (50-329, 50-330)
Palisades (50-255)
Detroit Edison Company Fermi 2 (50-341)
Illinois Power Company Clinton 1, 2 (50-461, 50-462)
Northern Indiana Public Service Company Bailly (50-367)
Northern States Power Company Prairie Island 1, 2 (50-2S2, 50-306)
Tyrone 1 (50-484)
Public Service of Indiana Marble Hill 1, 2 (50-546, 50-567)
Toledo Edison Company Davis-Besse 1 (50-346)
Union Electric Company Calla 7ay 1, 2 (50-483, 50-486)
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Jr C State of Illinois Wisconsin Electric Power Company Point Beach 1, 2 (50-266, 50-301)
Wisconsin Public Service Corporation Kewaunee (50-305) s b
A l $, < hhf42 V Helen Pappas, Chief Administrative Branch Attachnents:
1.
List of IE Bulletins Issued in 1978
- c w/encls:
D. W. Kane, Sargent and Lundy Central Files Reproduction Unit NRC 20b PDR Local PDR NSIC TIC
U.S. NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION A';D E::FORCEMENT REGION III December 19, 1975 IE Bulletin Nc. 75-14 ETORA!!ON OF BUNA-N COMPOSENTS IN ASCO SOLENDIDS
<scri.cion of Circu= stances:
Fellowing a reacter scra:
one contrcl red was deter:ined te havthe Monticelle Nu a:
July 27, 1975, inser:fer ti e.
(as required by Technical Specifications)'a'hile reasuring the ave e a siev s::a tires insertic failed te scrat.
Subsequen inves:1
, the sa:e contrcl red in the scra: pile:
Eatien revealed that pieces cf the Buna-N =aterial vedged between the corevalve sciencid Small valve pilot body.
(plunger), and thus prevented the valve fro:This prevented proper sevement asse.bly and the of the core assembly air frc: the scra: valves.
properly venting control testing en June 5, 1975.
A sitilar event occurred during scra:
during control red surveillance testing.On be:h occasions the control rod scra:
a scrat rods vould have inserted by action cf the backup scra: occurre
, the affected solencid valves.
The rea: tor was placed in cold shutdow scrat pile and inspected.selenoid valves and scra:
on July 15, 1978. All cf the Six additional fractured Buna-N discs were fcbackup valves w scra: pilo: selencid valves.
plunger Buna-N discs in all 242 scra: Northern Sta:es Fever Cc:pany replaced th und, all in scra: valves.
pilot valves and the 2 backup e
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In addition to the MonticeIIe failures reported fro: the Bd tvc fail..es were experienced in Octchg Rock Point and Pilgr
- Point, failure was found in July and two in December A Big Rock er while at Pilgris one were encountered during surveillance testi All of these failures ng.
General Electric had previously issued Servic SIL 128 (March 31,1975) 1, and SIL 128 Revisi e Informatien Le:ters, addressing the deterioration through naturalon 1 (January 30, 1976),
in CRO scra pilo valves.
aging of Buna-N cc penents These 3etters recon: ended that a =aintenance ptogra:
be adopted which replaced certain Buna N pilo:
valves on a regularly scheduled basis
- components in scra Nevever, the Buna-N discs
IE Bulletin No. 78-14 December 19, 1975 4.
Within 45 calendar days of the dite of issue cf this Bulletin, report in writing to the Director of the appropriate NRC Regional Office, the results ci ycur review, schedule and bases for replacement with regard te Items I through 3.
A cepy of your report should be sent to the United States Nuclear Regulatery Co=rission, Office cf Inspection and Enforcement, Divisien cf Feacter Operations Inspection, Washingten, D.C.
20555.
For all ?WK facilities with a construe:ic per:1t and all other power rea~ cr facilities with an operating license or construe:icn permit, this Bulletin is for information only and n: written respense is required.
Ap;reved by GAC B130:25 (R0072); clearan:e expires 7/31/S0. Appreval was given under a blanket clearance specifically fer iden:ified generic prchless.
Enclosure:
List cf IE Sulletins Issued in 1975 Y
IE Bulletin ::o. 78-14 December 19, 1978 LIS!!SG OF IE BULLETINS ISSUED IN 1975 Bulletin Subject Date Issced Issued Tc Nc.
75-01 Fla==able Contac: -
1/16/78 All Power Reae:c:
Ar: Retainers in G.E.
Facilities with an CR120A Rela:s OL cr CP 76-C:
Ter:inal Bicek 1/30/75 All Pcuer Reae:c:
Qualifica:icn Facili:ies with an OL cr CP 75-03 Potential Explosive 2/5/76 All B27 Pcver Cas Mixture Accu =ula-Reae:c: Facili:ies tiens Associated with with an OL er CP BWE Offgas Syste:
Opera:icns 75-04 Environmen:a1 Quali-2/21/78 All Pever Reae:c:
fication of Certain Facilities with an Ste: Mcunted Limit OL or CP Switches Inside Reacter Centain=ent 75-C5 Malfunctiening of 4/14/78 All Power Reae:c:
Circuit Breaker Facilities with an Auxiliary Contact OL or C?
Me ch a'si s:-Gen e ral Model CR105X 75-06 Defee:ive Cutler-5/31/78 All Power Reacter Han=er, Type M Relays Facilities with ar With DC Coils e
OL or C?
75-07 Protection afforded 6/12/78 All Power Reacter by Air-Line Respirators Facf11 ties with an and Supplied-Air Hoods OL, all class E and F Research Reactors ith an OL, all Fuel Cycle
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Tacilities with an CL, and all Priority 1 Material Licensees Page 1 of 2
o IE Bulletin No. 78-14 December 19, 1973 LISTING OF IE BULLETINS ISSUED 15 1975 Bulletin Subject Date Issued Issued Tc Sc.
75-05 Radiation Levels fro:
6/12/78 All Power and Fuel E:emen: Transfer Research Reacter Tubes Facilities with a Fuel Elenent transfer :ube and an GL.
78-09 3;R Drywell Leakage 6/14/78 All SWR Power Pa:hs Assceiated with Rea::c: Facili:ies Inadequate Drywell with an CL er CP Closures 78-10 Bergen-Patersen 6/27/76 All BWR Fever Hydraulic Sheck Reacter Facili:ies Suppresser Accumulator with an OL c: CP Spring Ceils 75-11 Exarinatien of Mark I 7/21/75 SWR Power Rea::cr Containoin: Terus Tacilities for Welds at:icn: Peach Botte: 2 and 3, Quad Cities 1 and 2, Hatch 1, Menti-celle and Vercen:
Yankee 78-12 A:ypical Weld Material 9/29/78 All Power Reacter in Reactor Pressure Facili des with an Vessel Welds OL or CP 78-12A A:ypical Weld Material 11/24/76 All Power Reae:c in Reactor Pressure Facilities with an Vessel Welds OL or CP 75-13 Fa11ures in Source Heads 10/27/76 All General and p
of Kay-Ray, Inc., Gauges Specific Licensees Models 7050, 7050E, 7051 with Kay-Ray causes 70515, 7060, 70603, 7061 and 70613 Page 2 of 2 i
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