ML19321A123
| ML19321A123 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 07/18/1980 |
| From: | Herbein J METROPOLITAN EDISON CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| IEB-80-08, IEB-80-8, TLL-351, NUDOCS 8007220492 | |
| Download: ML19321A123 (1) | |
Text
,p Metropolitan Edison Company
{ pg g;.w ga Post Office Box 480 (Jj Middletor. Pennsylvania 17057 E
g g ( ll.J.h a J V 717 944 % 41 Writer's Direct Dial Number July 18, 1980 TLL 351 Office of Inspecti>n and Enforcement Attn:
B. H. Griet, Directuc Region I 631 Park Avenue King of Prussia, PA 19406
Dear Sir:
Three Mile Island Nuclear Station, Unit I (TMI-1)
Operating License No. DPR-50 Docket No. 50-289 IE Bulletin No. 80-08 In response to the subject IE Bulletin, TMI-I containment penetrations are not either flued head design or other designs illustrated in Figure NE 1120-1, Winter 1975 Addenda to the 1974 and later editions of the ASME B&PV Code.
TMI-I containment penetrations were shop fabricated, examined and pressure tested prior to shipment to the site for installation. The containment pene-tration boundary welds are described as Category C, corner groove welds per Paragraph N-461,Section III, 1968 Edition. Corner groove welds were not considered radiographable. Weld acceptance was by surface examination in accord-ance with subparagraph N-1350(b),Section III.
The penetration m7 dales are Nuclear Class B Vessels accepted by pressure testing.
Sincerely, Signed 3. G. Herbein J. G. Herbein Vice President TMI-I JGH:DGM:CDC:1ma ce; J. T. Collins R. W. Reid D. D11 anni H. Silver H. Thornberg DO A
i 5
/D Metropohtan Edson Company is a Member of the General Pubhc Ut;ht:es Systern 800 7220N g