ML20099G249
| ML20099G249 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 05/07/1984 |
| From: | Boyer V PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| OL-A-058, OL-A-58, NUDOCS 8411270184 | |
| Download: ML20099G249 (8) | |
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Cffice of Inspec:1o= and T.cforec=ce, Icgio: I 631 72:k Avenue Ii=; of Prussis, Ps. 19406 Subj ect :
USM7.C II:I Lc :cr dstad hventer 10, 1976 o f c c
' -- 'i 1;76 55-J33I/76-D, 19-22, Re:
51:c I: spec.cies 3
Inspec:ic: P.eport No.
11=erich Gescreting S t a t i o n
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QUAL I-2-27,2' (76-06)
(1 Keilly:
Lear Mr.
ile offer the f ollowing respens es to tho subj ec: la::e regarding 1:e=s idestified duris tha U2C visf: := L1:o:ich Uni: 2 c: cetober 17.,
19-20, 1"7*
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Cecera:ing S:ario:
inspectics of ccustrue:ic: activitics su hcrized bz n0 Lien =ac Sc. C??R-lG7.
Attach =est I - Eenpense to Ite= A of(Appauli: A
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of subject le::er.
Attach =ent II - Response to Itc= 3 of Appnedi: A of subjec: la :cr.
Attach =cs: !!! - 7.ceposse to T:e= C o f Ap p e::di. A of subjec: 1e::ar.
I "he due dc e fe this response was e=:e ded c tocc=he: 15, 1976 is a teleco. vi:h your susff on.,Dece=ber 2, 1975.
should you have any cues: ions concer=ing, h e s e,1 :'e n s, va vould be plassed te
,n ' discuss the= with you.
s Sincerely,
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J. 3:sdiev 8411270184 840507 DR ADOCK 05000352
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- 3. 'Jinitsky/ Local 711c x, A, Ieller, 3cch:c1 (303Yq J.
- 7. Clarey Projec: " file 4
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'Resoonse to Item A of Accendix A t
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=Defieiencv "10~CTR 50, Appendix 3, C:1:erion IX requires in par,
- hat special
" Measures shall be es:ablished to assure are con: rolled and including welding, processes, acco=plished by qualified per. sonne'l using qualified codes, standards, procedure-in.accordance wich applicable
-specifications, cri: aria and c:her special require =ents."
Con::ary to the above, :he established naasures were insuffician: to assure that welding of s::uctural steel on Sep:e=ber 22, 1976 was acco=plished in accordance with.the applicable AWS-D.l.l.
The fillac welds on elevation 253, struccural steel bea= connections at columns 23-G and R, did no: = eat the quality requiremen:s Code.
of.the,AWS Structural Welding electrode holders. ware used attached to extension Welding
" designed-or manufactured so as to sticks which were no:
to at:ain the results pre-enable qualified welders scribed" in the AWS code, nor were procedures alternatively-qualified to-establish that acceptable weld quality could he a::ained with such sticks.
Quality control surveillance identify and
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inspec: ions conducted and documented did not
-\\J effect co: ection of the condition."
"Although the applicable Code AWS Dl-1-72 does no: 'specifically address the-use of elec: rode holder excensions,vich respec:
it does in Part 3.1.2 to procedure / welder qualifications, require that equipment be designed and manufactured so.as.:o a=able qualified welders to attain the results prese 1 bed in the AWS Code."
Resconse 1.
The following cor:se:1ve measures have been taken:
a.
The fillet welds on s: uctural steel beam connec:fons at elevation 253, colu=ns 23-G and E, have been repairud.
b.
The inspector, who originally accepted thess two welds, is no longer employed by the con-trae:or'and a reinspec:1on of all other work
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. performed by him has been accomplished,
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Of approxi=stely-350 welds N
re-deficiencies'were noced.'and inspec:ed, :wo co::ee:ive ac:ics has been taken.
2.
. Action taken to prevent recurrence:
A training class vas conducted october 25, 1976 a.
- he for re-indoc::inc: ion and re-o:icutation in
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various' aspects of accep:ance of completed work, reviewing of inspec:1on criteria, and the respon-sibill:1es of welding inspec irs.
All OC and a::end' field welding personnel were required :o this training class.
b.
A Project control Memo andum, PCM-239, was issued prohibiting the use of unauthoricad exta=sions.
Effective December 16, 1976 cil, welds.that
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shall be require the use of weld extensions f.
identified and approved by the lead weld engineer.
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Reseense - to I:ee 3 of Ancendix A G_
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1 Deficiency-10Cp150, Appe: dix B, Cri:erien-X recuires in pc:c, "A p:cgra=
affec:in; quali:y shall be
- hat. inspection of activi:ies _
established and executed by or.for :he organiza:1on~ performing documen:ed the ac:ivity.:to verify conformance vi:h theshall be performed for each verk instru:: ions 3.
assure quali:y".
. where necessary to the inspectics of ac:iviites during Cc==:ary :o'the above, verify conformance vi:h Specifica: ion October-1976 did not A-26, Revision 2 requirecents f or p rotection of' =achined surfaces during sandblas:ing and painting opera:icss-en the containment done, and such protection-vas no: main:ained inadvertantly painted'and and the machined surfaces were possibly sandblasted.-
Resconse.
Corrective steps which have been taken and results
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' achieved:
The deficiency was documented by 3echtel NCR #1,981 a.
- dated October 22, 1976.
exposed surfaces of both the Uni: fl-and Uni: 'J 2
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dryvell heads were inspec:ed by Bech:e1 Quali:y e
Control vi:h the following findings:
1.
No evidence of surface damage due ce sand-blasting or rust.
Por: ions of both surfaces shov evidence of 2.
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dry overspray of Amercoat As coating of both dryvell heads is complete, they vill be _placed into proj ect storage mai= enance c.
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taken to avoid further ite=s of noncompli-2.
' Corrective steps of the dry-A periodic inspeccion of the machined surfaces well heads has been incorporated in:o the proj ec:'s I
The actica card was en:ered storage maintenance program.
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into this, program on' December 1, 1976.
Inspec: ion a:
thr e e-mo n:h. in:crvals is scheduled.-
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A procedure for applicacion of-2-nev rus: preventive
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ma erial will be incorporated in:o the program by December 22, 1976.
Duc-to a minimum ce=perature requirement of 50cF-for applicacion, removal of :he presen: preserva:1ve and overspray will no: he'comple:ed-until June 1, 1977.
Over his-six mon:h period, scorage of the drywell heads in hei ~presen: s:ste wfil'uo:
j eopardize the quali:y ~o f.thA, machined - surf aces.
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Resnonse :o Trem 'C of Ansendix A s.. ficienev De Cri:erion V requires in part, " Activities 10CTR50,-Appendix 3, documented ins: ue: ions quali:y shall be prescr.ibed by and shall be acco=plished in accordsact with these instruccians affecting Con::ary to che above, on October,20,,, 1976 the document control rule JR-G-5 were-not implemented for design of scrue: ural s: eel requirements of job decisions to place heles in the upper flange i
18 of the reac:c building.
eleva ion 253 of Area beams-a:
Reseense Corree:1ve s:aps which have been taken and results achieved:
1.
D'CN No. 2 to Revision 10 of drawing 8031-C-200 issued of holes in October 26, 1976 authorizes the drilling a.
Elevation 253'-0" in the the top flange of ben =s at Reactor Building in order to support camporary becms.
2 to Revision 13 of drawing 8031-C-193 issued November 24, 1976 authorizes, on a ganeric basis in b.-
DCN No.
the drilli the Reactor Building and Control Room Arsa, of holes in the top flange of beams and girder in orde 4
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to support ta=por,ary bes=s.
8031/C-2.10, s
Quality Control Instruction Project task'co inspec: for c.
Revision 4 has incorpora:ed a if installed, and tha:
the rs= oval of camporary beams, the per=anan: beams were not damaged.
Engineering via This activity was approved by Proj ec:
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a telephone discussion,vith the 3esiden:
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a telecon memorandum was prepared on 7ebruary 6.
How-procedures, no TCR was l-ever, contrary to projectapplicable design doeursn:-
l issued or change to the a Q-listed compo:
made as required for =odification of A review has bes= made of construe:Lon actions which
(:elecons) be:w-t resulted from telephone conversations the Residen: Engineer and Proj ect Engineering, and f Residen: Engine Memoranda. 'Where uncussary, FCRs the design documen:s.
have been initiated to revise i
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.2.
Corroc:1vo steps a.
- Engineering Internal Instrue:Lon, E!I-31, issued 11.-1976, requires a documented review cf
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~ November ~ Engineer Memorands by Projac: ' Fnginee rir.g- :o -
- v Ra'sident are iden:ified ensure.cha: any necessary'DCN's/?CP.'s and issued.
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