ML19317D302
| ML19317D302 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 09/10/1971 |
| From: | Jennifer Davis US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Thies A DUKE POWER CO. |
| Shared Package | |
| ML19317D299 | List: |
| References | |
| 710010, NUDOCS 7911270439 | |
| Download: ML19317D302 (4) | |
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20303 In Eeply Refer To:
Septenber 10, 1971 C0:...-,. : a::o 50-270/71-4 50-2ST/T1 4 0 he ?cver Cenpany Attn:
Mr. A. C. Thies, Senior Vice President Productica and Transmission Power Building L22 South Church Street Charlotte,:Icrth Carclina 26201 Gentlenen:
'"nis refers to the inspection conducted t-/ Messrs. Svcn and Varela of this office on June 29 to J1.ly 2,1971, cf activities authoriced by AEC Ccnstruction Permit : cs. CFPR.3L and 35 for Ccenee Units 2 and 3, and to the disc.:ssicn of our findings held by Messrs. Swan and Varela with Mescrs. Dick, Fogers, 3eam and Hunnicutt of your staff at *he conclusion of the inspection.
Areas examined during the inspection included:
1.
Correctiv? seasures identified in luke letters of April 22 and June 18, 1971, in response to AEC letters of April 7 and May 25, 1971.
2.
Field velded jcints and cc=penents of the reactor coolant syster, ccre
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heading operations en the tenden vires.
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liner of Unit 3.
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Installation of the feedvater ring headers for steam generator 23 in
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The condenser eccling vs.ter inta.ke structure s.nd systers.
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of equipment furnished by 3aiccch 3.i Wilecx Cc pany (3W).
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Luke Power Cc pany September 10, 1971 Within these areas, the inspectics censisted of selective examinations of precedures and representative records, interviews with personnel, and ob-servatiens by the inspectors.
Based en our review of the actions ycu have taken with respect to items identified in your letters Of April 22 and June 13, 1971, we have no further questions on the identified items ; hcVever, these ite s which were in the process of correction vill be given additional attentien during our next inspection.
During the inspection, it ves found that certain of your activities appear to be in nonce pliance with Appendix 3 to 10 CFR 50 of the AIC egulations,
" Quality Assurance Criteria for :Tuclea ?cver Plants." 2.e items and refer-ences to the pertinent requirements are listed in the enciesure to this letter. Please provide us within 30 days, in writing, with your cc ents ccncerning these iters, any steps which have been er vill be taken to ccrrect then, any steps which have been er vill be taken to prevent re-currence, and the date all ecrrective actions er preventive measures were or vill be ec=pleted. Your reply should emphasice, in particular, any appropriate changes that have teen or vill be made to i= prove the effec-tiveness of your quality assurance progren.
Frc: our discussions, it is our underster. ding that Duke vill (1) evaluate a pcssible flav in a Uni 2 pu=p casting, (2) 'urther evaluate radiographs of portiens of the Unit 2 core injection and core ficoding piping which
=cy not be in accordance with the applicable cede, and (3) replace the tenden button-head gauges which vere fcund to be inadequate.
hese items vill be examined during a subsecuent inspecticn.
Shculd you have any questions concerning thia letter, you =ay ec r.icate directly with this office.
,rlery truly yours,
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Description of Items of :icnce=pliance
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LCC m :iCS. 50-270, 2E Certain items appear to be in nence. plierce with 10 CFR Part 50, Appendix 3, " Quality Assurance Criteria fer :! clear Pcver Plants," as indicated belev:
Instructions, Procedures, and Drnvines Criterion V states, " Activities affecting quality shall be pre-scribed by doeurented instructions, procedures, or drawings, er a type appropriate to the circu: stances and shall be acec plished in accordance with these instructiens, procedures, er drawings..
2.e second paragraph of 3s*4 Precedure FS-1-2, " Procedures By Installing Centracter," states, "Frior to handling any B&*4 supplied equipment, the Erecting Centracter is requested to reviev the content of this manua' and to ma%e available to the B&'4 Site Representative for review, any written plans, drawings, etc., in-dicating hev reqairements of this manual vill be met."
Centrary to the above, the Duke censtruction department proceeded vith the installatien of the feedvater headers en steam generator 23 in Unit Zio. 2 without a vritten approved procedure, and without direct supervision ? d qualit;* centrol surveillance during critical operations.
2.e gas cutting o,erations as conducted on the header support lugs and the steam generatcr supperts did not adhere to a 3&*4 vaming en the stecs generator against cutting and are strikes on this coded pressure vessel.
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