ML20099H790
| ML20099H790 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 05/07/1984 |
| From: | Kemper J PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| OL-A-130, NUDOCS 8411280310 | |
| Download: ML20099H790 (6) | |
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a JUN 2 61981 Mr. Boyce Grier, Director United States Nuclear Regulatory Cosmission office cf Inspectio= and I: force===:, Region I 631 Part~ Avenue
, King;of ?:ussia, FA-19406'
SUBJECT:
USNRC II Regios Letter dated Ju=e 1, 19S1 KE:
Site Inspec: ion of April 1-30, 1981 Inspec:ios P.epc : ::o. 50-352/S1-06 & 50-353/31-05 Limerick Cenerating. Station - Units 1 and.:
N FII.E :
ct AL I-2-2 (352/21-06 & 353/S1-05)
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Des: Mr. Cricr:
.In respoese to the subjec: Ict:c ec:azdi :: 1:e=s iden:1fied
-m durin; the subject inspectics of construction cetivi:ics - authori=cd
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by UKC Liccus e !.cs. CP.'t-106 and. -107, vc tr:: sci: he.evi:t the
-3 felleving:
A::scheec: I - T.cspo sc c Ap pess'ix A 1.is o enclosed as required by_ the Notice of. Viols:icn, is an.
affidavi: rels:1:3_-to the respo:se.
fhould you hcve a 7 cues:Lo:s.ccacersi=
these itens, we vould hq q
he pleased to. discuss :he= wi:h you..
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M Sincerely,
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Copy :o:
Director of Inspection and :=forec=ent
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United S:stes Muclear Regulatory Co==ission l
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J. P. Durr, US:iKC Residen: Inspector b e::
' T.. E. Elias, Bech:e1 F.
R. Valters/ Local File L
E. E. F.lossin, 3echtel J. J. Clarey I
E.J. 3:adley K.
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Mulford (2)
C. '4h i t e J. M. Corcorse /
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C. T.is t= e r Project File (2) v.
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Loyer C. N. {eCousky S.
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4 JORN'S. K I M P I ?., b e ir.3 fir _st.fuly sworn,. deposes and'says:
'7 Tha: he is.Vice President of Philadelphia Ile::ri:
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..Co=pany
.the holder of Cons::uccion Per:i:s C??R-106-and C??R-107 for Li=arick' Genera:ing S:a: ion Uni:s 1 and 2; tha:
he has read the--foregoing Respense to Inspection Repor:-
No. 50-352/S1-06 and 50-353/81-05 and knows the con =ents thereof; and.ths: the s:a:e=en:s and =at:ers se: forth :he:ein are ::ue
-and2 correc: :o :he-has: of his knowledge, infor=a: ion and belief.
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ATTACF. MINT ~I
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violation
-'A 10 ECTR 50, Appendix 3,.Cricazion XVI, sea:es, in part,-tha::
" Measure's; shall be es:ablished'to assure : hat condi: ions adverse to quality....
are~ pro =p:1y identified and cc :ac:ed."'
The Limerick'?SAR,- paragraph D.4.12,1 states, in part:
~"The progra: shall.
provide input for the ini:iation of corrective actica and follevup as appropria:e."
The Limerick Quality Assurance Plan, Voluse 1,-Appendix S.
" Procedure for P : cessing-Tield Initiated Finding Reports", paragraph S-5.1.7, sea:es:
"The Responsible Organication shall take or have corrective action
.taken....".
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Con::ary to the above, velding inadequacies were no: properly corrected;.
in tha: Tield Finding Repor: N-173, issued on Nove=ber 1, 1979 for.corree-tive action on an NRC finding which resul:ed in the' January 11, 1930 forwarding of a citation for nonco=pliance with fire damper velding require =ents, was i=preperly closed out lar the architec:-engineer and chac closure was av.cepted by the licensee on February 6, 1930.
Closure was based on. con:: actor rework of fire damper ins:allations-to assure c'ospliance with the approved Field Change Reques: TCR-C6351 require =ent.
for al:ernate. interi= velding of fire da=per exterior velds which do.co:
(,_ meet accessibili y require =en:s and upcn future fire da=per installa: ion in accordsnee with FCRC6331 c -an al:ernate acceptable' =ethod.
NRC
., inspec: ion in April 1931 disclosed that fire protection da=pers ??D-202-3; 7?D-201-31,.and ??D-202-4' had ex:erior velds without s uf f icier.: access
.for inspec: ion.
'This is a Severi:y Level IV Violation (Supplemen: II.D.1) applicable :o
' I CPPR-105.
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Resoonse to Violation l
Correc:ive actices taken by the Licensee to ensure tha: iden:ified Ice =s of Nonco=pliance vill be co=pletely corrected'and will not recur were:
L 1.
A caviev was performed on the Licensee responses since 1979 toENRC Il7 I:e=s of Nonco=pliance.
Any response which co==it:ed to fu:urg
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actions was followed up to ensure tha: the accions vare sa:isfac:ori l:
accomplished.
i" 2.
Philadelphia Elec: ic Company Tinding Repore N-173 was ini: ally i
closed.ou; based on a co==ir=ent by the EVAC Subcon::ac:o
- o perfor= a reinspec:1on of all previously installed fire da pers.
i In the fu:ure, all finding reports generated as a resul: of NRC I:e=s of Nonco=pliance vi:h acceptable resolutions v.'11 not be closed ou until the correc:1ve ac: ions have been sa:is!s::orily f.
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a:complished and verified.
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._,s In addi: ion :o :he above ac:Lons, the EVAC Subcon::ac:o has inspe::ed
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all'145 installed'::ap-door fire da=pers :o de:er=ine if the velds
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i vare a c c e s s ib le for inspec: ion.
Any velds found to be ina: essible. f e inspee:icn were fixed-in 2:cordance uf:h :heLop:1on allowed by Drawing C-615.
Ileven (11) of the ineceassible velds were de:er=ined, due to size li=ita:1ons and existing interference proble=s, to be net:her accessible for inspec: ion nor fixable per :he allowed option of D cving C-616.
These eleven were evalua:ed and disposi:ioned'as acceptable "use-as-is" by 3echtel ? ofec: Ingineering' since hey will
. he ac:ual design require =ents.
=ee:
t The cc ective at:fons taken by the EVAC Subcon::ac:or to prevent recurrence were:
- 1) Quality Con:rol Inspec: ors have had ::aining courses in the require =en:s of-AWS D1.1 and Specifica: ion G-20, 2)
A special
- aininf session vas held for.the Quality Control Inspectors regarding 4
the ac: ions :o be aken when, and if, velds or-o:her a:::ibutes canno:
be adequa:ely inspec:ed because of accessibility, and 3)
- he Site Inspec: ion Procedure, ??M-5.3 was revised to include-a require =en: in the in-process inspection plan for checking velds for accessibility for inspection.
The above actions':aken by_ the F.VAC Subcontracco were ce=pleted by June 24, 1981.
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(, kh' 10 C?R 50, Appendix 3, criterion V, requires in ps : that:
" Activities
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af f ec:ing quality shall be... acco=plished in accordance vi h these ins::::: ions, procedures, or drawings."
The Li=erick ?SAR, Appendix D, paragraph 6.4, states in part:
"3ech:e1 is responsible for cons::u::1on of the Construe: ion Depar: en:
plan: :o app cved engineering specifica:Lons....".
Bach:e1 specification-8031-C-41A. parag,raph 4.4, s: aces in' par::
"All velding shall be in accordance vi:h thp "S::ue: ural Welding Code,"
AWS D1.1....".
The "S: uctural Welding Code", AUS D1'.1, requires in paragraph 3.6.4:
"?or buildings.... undercut shall not be core :han 0.01 inches deep when its di:ection is ::ansverse to primary tensile s: ess in the part
. _ : hat is undercu:, nor = ore,:han 1/32 inches for all other si:uations.
Con::ary to the above, on April 22, 1981, velding undercu in excess of 1/32 inches was observed on :he North Reacco: Building Exhaus: S:ack in velds on bea: =e=bers 2232 and 24D4R.
This is a severity Level V Violation (Sup;1enen: II), applicable :o C??R-106 and C??R-107.
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I 50-352/S1-06
. L; 30-353/gi-05,
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^ t e s ten s a ": e '. io la tien p'4 the Reac:or 3uilding 5:u:h D
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he velding deficiencias on shop velds'in
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' Exhaus: S:ack, iden:ified by,the NIO !nspe::er, were repor:ed on a Nonconf::=sace Reper: and evaluc:ed by 3ech:el ? ofec: Ingineeri.;
- o-be. acceptable to"us e-a s-is'* co ns ide ring :he actual design-requirenen:s.
'Since final delivery.on the s uctural steel was made,approxt=ately_:vo-years ago, co;;ec:ive ac:1on to p r eve:r: recurrence with Anerican 3:1dge is no longer f easible.-
F.o v e v e r, :o assure that no existing condi:1ons remain which would affect plan: safety, 100 inspec:1on on all shop valded connections vas perfor=ed-on one of'the four Reactor Building exhaus:-seacks.
Minor'velding discrepancies vere iden:ified si=ilar
- o : hose iden:1fied by the NEC Inspec:or.
These have-been evalua:ed
~by Project Engineering and were deter =ined to be acceptable "use-as-is"-
based on-the actual design requirenen:s.
As a result of the 100 -inspection on one of the stacks, the structural s: eel in~:he a:her s:acks was given a 50 inspec: ion on. shop velds.
Minor' veld deficiencies were also identified in these stacks and were disposi:1oned si=ilarly.
'In: addition, the 3echtel Quality Con:;o1 Receip: Inspec: ors have been ins::ue:ed to increase their inspec: ion of any fu:ure s::uctural steel which we nay receive f:o= a:her vendors.
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