ML18011B067

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Forwards SE Which Authorizes Use of Code Case N-416-1,as Alternative to Required Hydrostatic Pressure Test,Per 10CFR50.55a(a)(3)(ii)
ML18011B067
Person / Time
Site: Harris Duke Energy icon.png
Issue date: 11/29/1995
From: Matthews D
NRC (Affiliation Not Assigned)
To: Robinson W
CAROLINA POWER & LIGHT CO.
Shared Package
ML18011B068 List:
References
TAC-M94101, NUDOCS 9512040028
Download: ML18011B067 (3)


Text

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November 29, 1995 Mr.

W.

R. Robinson, Vice President Shearon Harris Nuclear Power Plant Carolina Power

& Light Company Post Office Box 165 - Mail Code:

Zone 1

New Hill, North Carolina 27562-0165

SUBJECT:

APPROVAL OF CODE CASE N-416-1 AS AN ALTERNATIVE TO THE RE(UIRED HYDROSTATIC PRESSURE TEST -

SHEARON HARRIS NUCLEAR POWER PLANT, UNIT 1 (HNP-95-107)

(TAC NO. M94101)

Dear Mr. Robinson:

Use of Code Case N-416-1 is authorized pursuant to 10 CFR 50.55a(a)(3)(ii),

provided that additional surface examinations you proposed in your letter are performed on the root (pass) layer of butt and socket welds on the pressure retaining boundary of Class 3 components when the surface examination method is used in accordance with ASME Section III.

The use of ASME Code Case N-416-1 is authorized until such time as this Code case is published in a future revision of U.S.

NRC Regulatory Guide 1. 147.

At that time, if you intend to continue to implement this Code case, you must follow all provisions in Code Case N-416-1, with limitations issued in Regulatory Guide 1. 147, if any.

The NRC staff's evaluation and conclusions are contained in the attached Safety Evaluatiog.

Sincerely, (Original Signed By Bart Buckley For)

David B. Matthews, Director Project Directorate II-I

'ivision of Reactor Projects I/II Office of Nuclear Reactor Regulation I

Cl Distribution

~Docket:File; 'Shymlock, RII

PUBLIC, DTerao PDII-1 RF

, SVarga JZwolinski ACRS(4)

Docket No. 50-400

Enclosure:

Safety Evaluation cc w/enclosure:

See next page On November 22, 1995, the Carolina Power

& Light Company (CP&L) requested relief from the provisions of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel

Code,Section XI, "Rules for Inservice Inspection of Nuclear Power Plant Components,"

in accordance with 10 CFR 50.55a(a)(3) for the Shearon Harris Nuclear Power Plant, Unit 1

(SHNP).

Specifically, CP&L requested permission to use the alternative requirements of ASME Code Case N-416-1 for the alternative pressure testing of welded repairs or installation of replacement items by welding.

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Mr. W. R. Robinson Carolina Power

& Light Company Shearon Harris Nuclear Power Plant Unit 1

CC:

Mr. R.

E. Jones General Counsel Legal Department Carolina Power

& Light Company Post Office Box 1551

Raleigh, North Carolina 27602 Resident Inspector/Harris NPS c/o U.S. Nuclear Regulatory Commission 5421 Shearon Harris Road New Hill, North Carolina 27562-9998 Karen E.

Long Assistant Attorney General State of North Carolina Post Office Box 629

Raleigh, North Carolina 27602 Public Service Commission State of South Carolina Post Office Drawer 11649
Columbia, South Carolina 29211 Regional Administrator, Region II U.S. Nuclear Regulatory Commission 101 Marietta St.,

N.W. Suite 2900 Atlanta, Georgia 30323 Mr. Dayne H. Brown, Director Division of Radiation Protection N.C. Department of Environmental Division of Radiation Protection Commerce

& Natural Resources Post Office Box 27687

Raleigh, North Carolina 27611-7687 Mr. J.

Cowan Manager Nuclear Services and Environmental

, Support Department Carolina Power

& Light Company Post Office Box 1551 - Mail OHS7

Raleigh, North Carolina 27602 Mr. J.

W. Donahue Plant Manager Harris Plant Carolina Power

& Light Company Shearon Harris Nuclear Power Plant Post Office Box 165, MC: Zone 1

New Hill, North Carolina 27562-0165 Mr. Robert P.

Gruber Executive Director Public Staff NCUC Post Office Box 29520

Raleigh, North Carolina 27626 Chairman of the North Carolina Utilities Commission Post Office Box 29510 Raleigh, North Carolina 27626-0510 T.

D. Walt

Manager, Regulatory Affairs Carolina Power

& Light Company Shearon Harris Nuclear Power Plant P. 0.

Box 165, Mail Zone 1

New Hill, North Carol ina 27562-0165 Mr. Vernon Malone, Chairman Board of County Commissioners of Wake County P. 0.

Box 550

Raleigh, North Carolina 27602 Ms.

Uva Holland, Chairman Board of County Commissioners of Chatham County P. 0.

Box 87 Pittsboro, North Carolina 27312 Mr. Milton Shymlock

,U.S. Nuclear Regulatory Comm.

101 Marietta Street, N.W.

. Suite 2900 Atlanta, Georgia 30323-0199