ML20091N460
| ML20091N460 | |
| Person / Time | |
|---|---|
| Site: | Hope Creek  |
| Issue date: | 05/31/1984 |
| From: | Mittl R Public Service Enterprise Group |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| RTR-NUREG-0313, RTR-NUREG-313 GL-84-11, IEB-82-03, IEB-82-2, IEB-82-3, IEB-83-02, IEB-83-2, NUDOCS 8406120326 | |
| Download: ML20091N460 (5) | |
Text
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Pub!ic Service E!ectnc and Gas Company 80 Park Plaza, Newark, NJ 07101/ 201430 8217 MAILING ADDRESS / P.O. Box 570, Newark, NJ 07101 Robert L. Mitti General Manager Nuclear Assurance and Regulation May 31,1984 Director of Nuclear Reactor Rggulation U.S. Nuclear Regulatory Commission 7920 Norfolk Avenue Bethesda, MD 20814 Attention:
Mr. Albert Schwencer, Chief Licensing Branch 2 Division of Licensing Gentlemen:
HOPE CREEK GENERATING STATION DOCKET NO. 50-354 RESPONSE TO GENERIC LETTER 84-11; INSPECTIONS OF BWR STAINLESS STEEL PIPING, DATED APRIL 9, 1984 The following information is submitted in response to those sections of the NRC Generic Letter 84-11 pertinent to Hope Creek Generating Station (HCGS).
In accordance with 10CFR50.54(f), three (3) signed originals of the required affidavit are enclosed.
Our review of the generic letter indicates that Items 1 through 5 on pages 1 and 2 are not applicable to HCGS, as they pertain to operating plants.
Public Service Electric cond Gas Company's (PSE&G) current plans relative to inspections for intergranular stress cor-rosion cracking (IGSCC) and leak detection at HCGS are as follows:
Request:
Scope and schedule of planned inspections (Page 2, Item (a)).
Response
The Pre-Service Inspection (PSI) program for HCGS is being performed using the ASME Code 1977 Edition, Summer 1978 Addenda of Section XI.
All Nuclear Class I welds in the reactor recircula-tion piping system will be volumetrically inspected.
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5/31/84 PSEEG's.In-Service Inspection (ISI) program for HCGS Jincludes a volumetric examination of theii
-Nuclear Class I welds in the recirculation p p ng system.
ISI. inspections shall be in accordance
. with the ASME Code Section XI in effect twelve L-(12) months prior to commercial operation.
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-- PSEEG is currently engaged with EPRI and South-l-
west.Research Institute (SWRI), the PSI-ISI inspection agency at HCGS, in developing an
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acceptance program to ultrasonically examine fifty-one (51) corrosion resistant clad (CRC)
,F welds within this boundary.
. Techniques developed during the PSI inspection of the CRC welds will-be employed during ISI.
P-Requests Availability and qualification of examiners (Page 2,' Item (b)).
Examination' techniques', equipment and examination J
. Response personnel will be' qualified to the requirements l'
of: NRC Bulletins 82-03 and 83-02 using programs administered by EPRI at the.NDE Center,
. Charlotte, N.C.
- Requestr.
Description of any special surveillance measures in.effect or proposed, for primary system leak l
. detection, beyond those measures already required by' your Technical Specifications (Page 2, Item (c)).
Response:= The ECGS Technical Specification will commit to
)
the surveillance nee.3ures,. techniques and fre-1
_.quencies~of surveillance for leak detection.
Further, the -Technical-Specification will
~
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identify the unidentified leakage rate and the
' procedure for. dealing with the ' leakage rate.
Results of the Bulletin inspections not' previ -
-Requests.
ously submitted to NRC (Page 2, Item (d)).
~
4 Responses 'NotL applicable to HCGS.
Requ'st l Remedial. measures, if any, to'be taken.when e
cracks are discovered-(Page 2,_ Item-(e)).
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Responses. If cracks are uncovered during subsequent ISI at
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HCGS,.PSE&G will utilize the latest industry
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accepted techniques to accomplish repairs.
- PSEEG has been and is' currently an active member of the BWROG - Technical ~ Advisory Committee and the EPRI - Nuclear Systems and Materials Task Force.
This involvement has pro-vided PSE&G a forum to gather firsthand the results of research into those issues generic to BWRs.
It. is - significant that.PSE&G has completed the following activities =which were outlined in the HCGS response submittals to the NRC of September 28, 1979, (R. L.
- Mittl, PSEEG to. Director of Nuclear Reactor Regulation) and July 7,
- 1981,_-(R.'L. Mittl', PSE&G to D. G. Eisenhut, NRC), on NUREG-0313:
Measures were taken to minimize the possibility of IGSCC of austenitic stainless steel piping in accord-ance with NUREG-0313 Rev.1.
The RPV nozzle safe-ends and extensions were replaced.with corrosion resistant materials and redesigned to eliminate the thermal sleeves that were part of the pressure boundary and formed. crevices.. Corrosion resistant cladding was applied to : field weld connections of the type 304 stainless steel recirculation system piping and all
- shop welds were furnace solution heat treated before To.m n m ze the number of stagnant iii installation.
lincs, the recirculation system bypass line and control rod drive-return line were eliminated.
The stainless steel piping in the core spray system and residual heat
^
removal (RHR) ' system (low-pressure coolant injection line.and core spray line) was replaced with impact-l tested. carbon steel piping from the RPV to the outboard
' isolation valve of the containments The RHR shutdown cooling. suction and return lines contain type -316L
- stainless. steel transition pieces between the recircu-lation line connections and the impact-tested carbon steel pipe thatiextends to the containment outboard
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- isolation valve.
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-This information is scheduled to be incorporated into the
'FSAR at a future date.
Should you have any questions in
.this regard, please contact us.
Very truly yours, ff Enclosure - three (3) signed originals of affidavit
'C D.
H... Wagner USNRC Licensing Project Manager W.. H. Bateman USNRC - Sanior Resident Inspector DE06,1/4
(
r UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION DOCKET NO. 50-354 PUBLIC SERVICE ELECTRIC AND GAS COMPANY HOPE CREEK GENERATING STATION RESPONSE TO NRC GENERIC LETTER 84-11 INSPECTIONS OF BWR STAINLESS STEEL PIPING Public Service Electric and Gas Company hereby submits the response to NRC Generic Letter 84-11, Inspections of BWR Stainless Steel Piping, for the Hope Creek Generating Station.
The matters set forth in this response are true to the best of'my knowledge, information, and belief.
Respectfully submitted, Public Service Electric and Gas Company
(
By:
jftsse Tho:h5s J. Mftin Vice President -
Engineering and Construction
_ Sworn to and subscribed-before me, a Notary Public of 'New Jersey', this S/srday of May 1984.
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v DAYlD K. BURD
,MOTARYPUBLIC 0F NEW JERSf y s
[Ny Comm. Empires 10 23 35 _
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