ML20099G249

Applicant Exhibit A-58,consisting of Forwarding Responses to Items A,B & C of App a to NRC Re Insp Rept 50-353/76-06

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)

Text

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U:1:sd S:stes Uuclear 2egula: cry Co=.=is sic:

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 1;76 Re: 51:c I: spec.cies o f c c ' -- 'i Inspec:ic: P.eport No. 55-J33I/76-3 D, 19-22, 11=erich Gescreting S t a t i o n . '.' .. - ."2 QUAL I-2-27,2' (76-06)

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Lear Mr. (1# Keilly:

ile offer the f ollowing respens es to tho subj ec: la::e ,

regarding 1:e=s idestified duris tha U2C 17.,

visf: := L1:o:ich 19-20, 1"7* f=

Cecera:ing S:ario: - Uni: 2 c: cetober 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

.l. 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 this response was e=:e ded c tocc=he: 15, "he due dc e fe 1975. should you 1976 is a teleco. vi:h your susff on.,Dece=ber 2, have any cues: ions concer=ing , h e s e ,1 :'e n s , va vould be plassed te

,ns ' discuss the= with you.

Sincerely, po* . $, il -

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8411270184 840507 C . 'Jhite G DR ADOCK 05000352 PDR

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ATTACMMENT I )

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'Resoonse to Item A of Accendix A .

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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 processes, including welding, 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=did connections no: = eat the at quality requiremen:s

• columns 23-G and R, of.the,AWS Structural Welding Code.

Welding electrode holders. ware used attached to extension sticks which were no:

" designed-or manufactured so as to enable qualified welders ... to at:ain the results pre-scribed" in the AWS code, nor were procedures alternatively-qualified to-establish that acceptable Quality weld quality control could surveillance

- [' he a::ained with such sticks. identify and

-\J inspec: ions conducted and documented did not 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:

to procedure / welder qualifications, it does in Part 3.1.2 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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[/N ' ', . performed by him has been accomplished, where' I

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\ accessible. Of approxi=stely-350 welds re-inspec:ed, :wo deficiencies'were noced.'and

- co::ee:ive ac:ics has been taken.

. 2. . Action taken to prevent recurrence:

a. A training class vas conducted october 25, 1976 :he

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for re-indoc::inc: ion various' aspects of accep:ance of completed work, and re-o:icutation in reviewing of inspec:1on criteria, and the respon-sibill:1es of welding inspec irs. All OC and field welding personnel were required :o a::end' this training class.

b. A Project control Memo andum, PCM-239, was .

issued prohibiting the use of unauthoricad ,

1 exta=sions.

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.c. Effective December 16, 1976 cil, welds.that require the use of weld extensions shall be identified and approved by the lead weld f.

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~ documen:ed performing the ac:ivity.:to verify conformance vi:h theshall be performed for each verk instru:: ions 3. , . *

. where necessary to assure quali:y".

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 inadvertantly protection-vas no: main:ained painted'and and the machined surfaces were sandblasted.-

possibly Resconse. .

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Corrective steps which have been taken and results

' achieved:

a.

The deficiency was documented by 3echtel NCR #1,981

- dated October 22, 1976.

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b. The exposed surfaces of both the Uni: fl-and Uni: 'J 2 k/- e dryvell heads were inspec:ed by Bech:e1 Quali:y Control vi:h the following findings:

1. No evidence of surface damage due ce sand-blasting or rust.

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2. Por: ions of both surfaces shov evidence of dry overspray of Amercoat 90.

c. As coating of both dryvell heads is complete, I

they vill be _placed into proj ect storage mai= enance program. .

2. ' Corrective steps taken to avoid further ite=s of noncompli-of the dry-A periodic inspeccion of the machined surfaces I well heads has been incorporated in:o the proj ec:'s storage maintenance program. The actica card was en:ered e

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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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Atenehment ITT Resnonse :o Trem 'C of Ansendix A ,

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. ficienev 10CTR50,-Appendix 3, Cri:erion V requires in part, " Activities affecting quali:y shall be prescr.ibed by documented ins: ue: ions .

and shall be acco=plished in accordsact with these instruccians Con::ary to che above, ruleonJR-G-5 October,20,,,

were-not 1976 the document implemented control for design requirements of job of scrue: ural s: eel i

decisions to place heles in the upper flange 18 of the reac:c building.

beams-a: eleva ion 253 of Area Reseense 1.

Corree:1ve s:aps which have been taken and results achieved:

a.

D'CN No. 2 to Revision 10 of drawing 8031-C-200 of holes issued in October 26, 1976 authorizes the drilling Elevation 253'-0" in the the top flange of ben =s at Reactor Building in order to support camporary becms. -

DCN No.

2 to Revision 13 of drawing 8031-C-193 issued b.-

November 24, 1976 authorizes, on a ganeric basis in the drilli 4 the Reactor Building and Control Room Arsa, of holes in the top flange of beams and girder in orde

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s to support ta=por,ary bes=s. .

8031/C-2.10,

c. Project Quality Control Instruction task'co inspec: for

- Revision 4 has incorpora:ed a if installed, and tha:

the rs= oval of camporary beams, the per=anan: beams were not damaged.

d.

This activity was approved by Proj ec: Engineering via Zr.g in ee r , anc

, a telephone discussion ,vith the 3esiden: How-(_ a telecon memorandum was prepared on 7ebruary 6.

l- procedures, no TCR was l

ever, issuedcontrary to projectapplicable or change to the design doeursn:-

made as required for =odification of a Q-listed compo:

t A reviewfrom resulted has telephone bes= made of construe:Lon conversations actionsbe:w-(:elecons) which 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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taken :o' avoid further-1: cms cf'noncomplian

.2. Corroc:1vo steps

a. - Engineering Internal Instrue:Lon, E!I-31, issued 11.-1976, requires a documented review cf

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v ~Ra'sident November ~ Engineer Memorands by Projac: ' Fnginee rir.g- :o -

are iden:ified

,- ensure.cha: any necessary'DCN's/?CP.'s

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and issued.

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