ML20099H523

Applicant Exhibit A-116,consisting of Forwarding Response to Violations Noted in Insp Repts 50-352/77-12 & 50-353/77-12 on 771018-20.Corrective Actions:Field Welds on 4 RHR HX Support Structures Reinsp

ML20099H523
Person / Time
Site:	Limerick
Issue date:	05/07/1984
From:	Boyer V PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
OL-A-116, NUDOCS 8411280177
Download: ML20099H523 (4)

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.T - s PHILADELPHIA ELECTP.lC COMPANY 1 . .

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'X .'3cyce Grier, Director //x __4 Uni:ed States Nuclear Regulatory C::=ission D ' / %i \

Office of Inspeccion and Enforce =en:, Region I -

631 Park Avenue

• King o f ? us sia, PA 19406 .

Subject:

USNEC II: I Letter dated Nove:bar 9, 1977 Re: Site I: spec:fon.of Oc:ober 1S-20, 1977 -

Inspection leper: Nos. 50 ,352/77-12, 50-353/77-12 .

Li=e'ric'd Genera:ing S t a:Lo=, Units 1& 2 .

'. QUAL 1-2-2-1 (77-12).

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OUAL ~1-2-2-2 -(7 7-12) .

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I response to the subjec: 1e::e: regarding a: 1:e= ide::ified g during the N?.C visi: to L1=erick Ge erating S a:Los - Units 1 '. 2 V on Oc:ober 1,8-20, 19 77 .f or . insp ection of ec=s::ue:1o= ac:1vi:ies .

au herized by NRC Lice =se Nos. C???.-106 and -107, ve :: ass =1: .

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herevi:h the fclieving:

A:hach=e=t I - ?.e s p o ns e t o A; p endi

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. Should you have a y' questions co:cerning i:hese 1:a=s, we'vould

. be pleased to discuss,the='vi:h you.

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10 C?R 50,, Appendix 3, Cri:eric V, states,,1: par:, tha:,

" Activities affecti=g quali:y shall be prescribed by docuse::ed ins::uccicas, procedures, c drawings, of a type appropriate to the circu=s:ances and shall be acce=plished is accordance vi:h these ins:::c: ions, procedures, or. drawings...".

Paragraph D6.4 of the Quality Assurance ? ogra: docuse::ed in the ?SAR sta:es, in part, that "3echtel Constructic:

. Depar:=es:. . .is respensible for cons::uctics of the' plan:

to approved engineering specifications, drawings, and .

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'3ech:el Specification C-63, Revision ~2,*an app' roved

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.- ' engineering s p e'cif i c a t io n , states tha: field velding and .

inspec:ics of s:: c: ural s: eel shall be in accordance vidh require =ents of the A=arica: Welding Socie:y 5::uctural

. (o, Welding Code D4;1-72.vi:h re. visions 1-73 and 1-74 Par:

w/ 6.5.1 of.this Code s:stes tha: all velds shall c:r f or= ,:=. the equire=es:s of the Ccde and to :he detail drawings.

Cos::ary to :he above, as of Oc:cher IS, 1977, s::ue:::al .

v'elding, an ac:ivi:y.affec:ing quali:y, was no: perfor:ed is

,. accordance wi:h approved instructions, procedures, or drawings

'- ' ~ vhich'resulted is the f ollowing conconf or 'ing .ields'.- .

q. s.- , Two upper bracke: bea= clip ~ angles'in Area 17 of Cai: 2

. . vere fasta=ad to'vall.e= beds with* fille velds he full thickness of the base =etal which e' ceeded the require -

. =est of Part 2.7.1.2(2) of AWS-D1.1 14=1:1:3 hese velds t

. to 1/16 inch less than the base =e:a1 chickness. . , .

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b. The upper bracke:. south brace 1: Area 17 of V:1: 2 was a:: ached to its gusse: pla:e with a flare. bevel. veld a: ,

,' . he rolled edge of .:he t ce i=s:aad of 1/4 inch

, fille: veld as,specified on 3ech:el de:411 dravings No.

. C41A-291-4. .

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c. Two lover supper: bea: clip angles in Area 16 cf the C:1: ,

, 1 were f as:esed to vall embeds vi-h 5/16 inch or less fille: velds instead of 3/8 inch fille: velds as .

g .specified on 3ech:e1 detail.dravi=g No. C41A-292-4. ,

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1. Corree:ive steps which have heen take: 'and resul:s -

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. . .a . All field velds e . . he f our .(4) -IER Eeat .excha=ger .-.

. suppor: s::ue:ures were reinspected and 3echtel NC?.

===bers 2970, 2971, 2972, and 2973 were issued ide :ifying deficiencies-found. It is anticipated tha: resolution of these findings will te-

.acco=plished by April 1, 1978.

b. The vaIds"in question vare initially inspec:ed by 3echtel~QC engineers dur1=g the period oc:che 2, 1975 to Ju== 10, 1976. Since that period,'s represen:acive sa=ple of inspectio:s perfor=ed -

,, by;.,rhe inspec:c:s. involved have been reinspected.

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2. Corrective steps take to av'oid further 1:e=s'of

.:osco=p , 1ance: .

,_g. a. The Le' ad Quality Co::rol k'elding Ingisse: .co ducted-A .

. - a class c=.Nove=ber 15, 19.77.to re-isstrue: -

'N~ . i=spectors in their ' responsibility-to. verify .

co=plia:ce v'ith specifica:Lo= a:d drawing require-

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