ML20138E960
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March 14, 1996 MEMORANDUM T0:
David B. Matthews, Project Manager Project Directorate 11-1 Division of Reactor Projects I/II FROM:
Goutam Bagchi, Chief Civil Engineering and Geosciences Branch Division of Engineering Technology
SUBJECT:
ST. LUCIE UNITS 1 AND 2, REQUESTING APPROVAL OF CODE CASE N-416-1 AS AN ALTERNATIVE TO THE REQUIRED HYDROSTATIC PRESSURE TEST (TAC NOS.: M94246 AND M94247) l The Civil Engineering and Geosciences Branch of the Division of Engineering has reviewed the Florida Power and Light Company submittal of November 7, 1995, requesting approval to use ASME Code Case N-416-1 in lieu of performing the code required hydrostatic pressure test for welded repairs or installation of replacement items by welding.
In conjunction with the use of Code Case N-4 416-1, the licensee also proposed to perform additional surface examinations j
of the root (pass) layer of butt and socket welds on the pressure retaining boundary of Class 3 components, when the components are required to have only a surface examination performed in accordance with the 1992 Edition of ASME Code,Section III.
Pursuant to 10 CFR 50.55a(a)(3)(ii), use of Code Case N-416-1 in conjunction with the licensee's proposed additional surface examination and the system leakage test performed in accordance with IWA-5000 of the 1992 Edition of ASME Section XI at nominal operating pressure and temperature is authorized through the duration of the currently approved ISI program plan. The staff's evaluation and conclusions are contained in the attached safety evaluation.
l This submittal completes the technical review to be performed by the Civil Engineering and Geosciences Branch under TAC Nos. M94246 and M94247.
4 Docket Nos. 50-335 and 50-389
Attachment:
As stated
Contact:
John Huang, ECGB/DE/NRR 301 415-1417 Distribution:
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March 14, 1996 1
MEMORANDUM T0:
David B. Matthews, Project Manager Project Directorate II-l Division of Reactor Project
/II FROM:
Goutam Bagchi, Chief Civil Engineering Geos nces Branch Division of Engineering Technology
SUBJECT:
ST. LUCIE UNITS 1 AND 2, REQUESTING APPROVAL OF CODE CASE N-416-1 AS AN ALTERNATIVE TO THE REQUIRED HYDROSTATIC PRESSURE TEST (TAC NOS.: M94246 AND M94247)
The Civil Engineering and Geosciences Branch of the Division of Engineering has reviewed the Florida Power and Light Company submittal of November 7, 1995, requesting approvel to use ASME Code Case N-416-1 in lieu of performing the code required hydrostatic pressure test for welded repairs or installation of replacement items by welding.
In conjunction with the use of Code Case N-416-1, the licensee also proposed to p1rform additional surface examinations of the root (pass) layer of butt and tocket welds on the pressure retaining boundary of Class 3 components, when che components are required to have only a surface examination performed in accordance with the 1992 Edition of ASME Code,Section III.
with the licensee's propos(ed additional surface examination and t leakage test performed in accordance with IWA-5000 of the 1992 Edition of ASME
~
Section XI at nominal operating.nressure and temperature is authorized through the duration of the currently approved ISI program plan.
The staff's evaluation and conclusions are contained in the attached safety evaluation.
This submittal completes the technical review to be performed by the Civil Engineering and Geosciences Branch under TAC Nos. M94246 and M94247.
Docket Nos. 50-335 and 50-389
Attachment:
As stated
Contact:
John Huang, ECGB/DE/NRR 301 415-1417
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.