ML17277B065
| ML17277B065 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 11/17/1983 |
| From: | Sorensen G WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| GO2-83-1070, NUDOCS 8311220462 | |
| Download: ML17277B065 (6) | |
Text
REGULATORY IN ORMATION DISTRIBUTION SYSTFM (RIDS) 4, ACCESSION'BR:8311220462 D
~ DATE: 83/11/17 NOTARIZED NO DOCKET FACIL:50 397 NPPSS Nuclear Projects Unit 2~ Nashington Public Powe 05000397 AUTH'AMEi AUTHOR AFFILIATION SORENSEN~G ~ CD Nashington Public Power Supply System RECIP ~ NAME RECIPIENT AFFILIATION SCHHENCERgA ~
Licensing Branch 2
SUBJECT:
Forwards revised FSAR Section 3 '
to clarify analysis of leakage cracks in high energy sys
~ Tabulated stresses for remainder of pipe break 8 missile study analysis will be submitted by 831209 upon completing final analysis>>
DISTRIBUTION CODE:
B001S COPIES RECEIVED!LTR ENCL. J SIZE:
TITLE Licensing Submittal:
PSAR/FSAR Amdts 8 Related Correspondence'OTES:
RECIPIENT ID CODE/NAME NRR/DL/ADL NRR LB2 LA INTERNAL: ELD/HDS2 IE/DEPER/EPB 36 IE/DEQA/QAB 21 NRR/DE/CEB 11 NRR/DE/EQB 13 NRR/DE/MEB 18 NRA/DE/SAB 24 NRR/DHFS/HFEB40 NRR/DHFS/PSRB NRR/DSI/AEB 26 NRR/DSI/CPB 10 NRR/DSI/ICSB 16 NRR/DSI/PSB 19 NRR/DSI/RSB 23 RGN5 EXTERNALS ACRS 41 DMB/DSS (AMDTS)
LPDR OS NSIC 05 COPIES LTTR ENCL 1
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RECIPIENT ID CODE/NAME NRR LB2 BC AULUCKgR~
01 IE FILE IE/DEPER/IRB 35 NRR/DE/AEAB NRR/DE/EHEB NRR/DE/GB 28 NRR/DE/MTEB 17 NRR/DE/SGEB 25 NRR/DHFS/LQB 32 NRR/DL/SSPB NRR/DS I/ASB NRR/DS I/CSB 09 NRR/DSI/METB 12 N
AB 22 EG FII 04
/MIB BNL(AMDTS ONLY)
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Washington Public Power Supply System P.O. Box 968 3000 George Washington Way Richland, Washington 99352 (509) 372-5000 November 17, 1983 G02-83-1070 Docket No. 50-397 Director of Nuclear Reactor Regulation Attention:
Mr. A. Schwencer, Chief Licensing Branch No.
2 Division of Licensing U.S. Nuclear Regulatory Commission Washington, D.C.
20555
Dear Mr. Schwencer:
Subject:
Reference:
NUCLEAR PROJECT NO.
2 FSAR SECTION 3.6 NOTES ON STRESS TABULATIONS AND HIGH ENERGY LEAKAGE CRACKS Letter, G02-83-1031, G.
C. Sorensen (SS) to A.
Schwencer (NRC), same subject, dated November 7, 1983 As requested during a phone conversation on November 10,
- 1983, between Mr.
R. Auluck and Ms.
R. Li (NRC) and Messrs.
D. Bosi and P.
Powell (SS), the attached and revised FSAR section is provided to additionally clarify the analysis of leakage cracks in high energy systems.
This attachment supercedes Attachment 2 provided by the referenced letter.
Additionally, the reference provided a
"Summary of Postulated Pipe Break Locations" for the Low Pressure Core Spray System.
Tabulated stresses for the. remainder. of the pipe break and missile study analysis will be submitted, upon completion of the final as-built analysis, by December 9, 1983.
Should you have any questions, please contact Mr. P. L. Powell, Manager, WNP.-2 Licensing.
Yery truly yours, G..C.
S rensen, Manager Regulatory Programs PLP/tmh Attachment cc:
R Auluck -
NRC WS Chin
- BPA R
Li NRC AD Toth NRC Site B~i~ppoggg 831117 PDR ADOCH, 05000397 A
k I
i L
ATTACHMENT 2 FSAR Section 3.6.2.1.3 The first paragraph will be revised as follows:
"Cracks in high energy systems, regardless of ASME Code Classification, were evaluated at WNP-2 both inside and outside of containment.
A physical inspection of each high energy line was completed to determine locations where adjacent safety related equipment or systems may be susceptible to jet impingement from cracks in high energy lines.
Inside containment it was found that the circumferential or longitudinal high energy line breaks bounded the structural and environmental conse-quences produced by a leakage crack at any location in a high energy line.
Outside containment analyses were completed or protection was provided to ensure that critical plant systems are not harmed by leakage cracks in adjacent high energy systems."
II