View source for AECM-84-0250, Forwards Relief Request 00012 from ASME Code Section XI Requirements for Preservice Insp of Class I Valve Internal Surfaces,Per 10CFR50.55a(g)(5)(iv).Related Info Encl

{{Adams
| number = ML20084M300
| issue date = 05/11/1984
| title = Forwards Relief Request 00012 from ASME Code Section XI Requirements for Preservice Insp of Class I Valve Internal Surfaces,Per 10CFR50.55a(g)(5)(iv).Related Info Encl
| author name = Dale L
| author affiliation = MISSISSIPPI POWER &amp; LIGHT CO.
| addressee name = Denton H
| addressee affiliation = NRC OFFICE OF NUCLEAR REACTOR REGULATION (NRR)
| docket = 05000416
| license number = 
| contact person = 
| document report number = AECM-84-0250, AECM-84-250, TAC-52631, TAC-55523, TAC-55762, NUDOCS 8405150304
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| page count = 7
| project = TAC:52631, TAC:55523, TAC:55762
| stage = Request
}}

=Text=
{{#Wiki_filter:,    o E MISSISSIPP! POWER & LIGHT COMPANY Helping Build Mississippi P. O. B O X 16 4 0. J A C K S O N, MIS SIS SIP PI 3 9 2 0 5 May 11, 1984 NUCLEAR PRODUCTION DEPARTMENT U. S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation Washington, D. C. 20555 Attention:     Mr. Harold R. Denton, Director

==Dear Mr. Denton:==

==SUBJECT:==
Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416 and 50-417 License No. NPF-13 File:   0260/L-860.0/L-952.0/M-189.0 Preservice Inspection to ASME Section XI (Request No. 00012)
AECM-84/0250 This letter transmits a request for relief (No. 00012) from ASME Section XI Code requirements for the Preservice Inspection of the Class 1 valve internal surfaces for the Grand Gulf Nuclear Station (GGNS) Unit 1 in accordance with 10 CFR'50.55a(g)(5)(iv).
The attachment delineates the in.'ormation with regard to such a relief request for your review. Your expeditious review is requested to support the completion of MP&L's preservice inspection program.
If you have any questions or require further information, please contact this office.
Yours truly,
                                                          %                      ~
L.   . Dale anager of Nuclear Services CS/JGC:rg Attachment ec: See next page Bool 8405150304 040511 PDR ADOCK 05000416 G                     pyn                                                  I[/(
Member Middle South Utilities System

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* AECM-84/0250 MISSISSIPPI POWER O LI'lHT COMPANY     #E2 cc: -Mr. J. B. Richard (w/a)
Mr. R. B. McGehee (w/o)
Mr. N. S. Reynolds (w/o)                                              '
Mr. G. B. Taylor (w/o)
Mr. Richard C. DeYoung, Director (w/a)
Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Mr. J. P. O'Reilly, Regional Administrator (w/a)
U. S. Nuclear Regulatory Commission                                    F Region II 101 Marietta St., N.W., Suite 2900 Atlanta, Georgia 30303 Mr. Martin Hum (w/a)                                                   ,
i Materials Engineering Branch '
U. S. Nuclear Regulatory Commission                                    [
Office of Nuclear Reactor Regulation Washington, D. C. 20555 f
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Attachment to AECM-84/0250 i                                                                                      PAGE 1 of 3 GPRO GULF NijCLEAR STATION UNIT 1 REQUEST RELIEF #00012 PRESERVICE INsm;nON OF VALVE INTERNAL SURFACE I.       Cceponent:          Class 1 valves over 4" naninal pipe size.     (See attachment for a list of the applicable valves.)
II. Code:                    These valves were designed and fabricated to ASME Section III, Class I requirments. Applicable preservice inspections are to oe performed in accordance with the ASME Section XI, 1977 Edition through and including Sumer 1978 Addenda.
II. Code requirements: The internal surfaces of these valves are required to be visually examined (vr-1). The examinations are to be performed as a preservice inspection as required by ASME Section XI, Table IWB-2500-1, Examination Category B-M-2, Item B12.40.
IV.       Information to     In order to perform these inspections, the valves must be support the deter- disassm bled after arrival at the plant. The disassently of mination that the these valves may increase the probability of valve failure.
code requirertent is inpractical:
V.        Reasons why relief Request for exatption frcm preservice visual examination should be granted   (Vr-1) of valve internal surfaces.
: 1. The valve body and parts are designed, fabricated, inspected, and tested as required by the ASME Code, Section III. All valves have been volumetrically and surface examined in accordance with the requirements of ASME Section III, Subsection NB, Paragraph NB-2570. In addition, the valve materials, exclusive of seals and packing, are designed for a 40-year plant life under the environmental conditions applicable to the particular systen.
: 2. Valves have been fully cycled at the vendor's shop before delivery to substantiate the vendor's guarantee that they will operate under the design service conditions.
: 3. All valves have been subjected to shop hydrostatic tests, seal leakage tests, and performance tests, if applicable.

PNE 2 of 3
              ,     .               GRAPO GULF NUCLEAR STATION UNIT 1
                ~
RBQUEST RELIEF #00012 (Continued)
PRESERVICE INSPELTION OF VALVE INTISNAL SURTACE
: 4. Valves arrive at the plant ocupletely assabled and code stanped.
5.-   After the valves are installed in the Nuclear System, each valve is tested in accordance with the preoperational and starttp test s ucMares.
: 6. Valves are subject to a syste leakage test at each refueling outage and system hydrostatic test during each 10-year inspection interval, in.accordance with ASME Section XI, Class 1 requirenants.
: 7. All of the valves, with the exception of the safety relief valves Q1B21F041,-F047.and -F051, were tested in the system as part of the ASME Section III, class I hydrostatic test.
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: 8.    %e safety relief valves have been preservice bench tested and adjusted for proper actuation pressure in
: j.                                     accordance with ASME PIC 15.3-1976, as required by ASPE
'                                      Section XI, Article IW-3510. They will be inservice
!                                      tested in accordance with IW-3510.
: 9. Active valves are required to be operated periodically as specified in the GGNS Operating License Manual ('Iechnical Specifications) and the oms Pump and Valve Pre / Inservice '
Test Prrgram. W is surveillance program assures the ability of the valve to perform its intended function.
!                                 10. Class 1 valves are subject to a system leakage test at each refueling outage and a system hydrostatic test at each ten (10) year inspection interval in accordance I                                      with ASME Section XI, Table IWB-2500-1 Category B-P.
VI. Alternate Testing: Valves will be examined as a preservice inspection at the ti2ne of the first inservice. inspection in accordance with AstE Section XI, Table IWB-2500-1, Category B-M-2. Should any valve be required to be disassenbled for other reasons, consideration will be given to performing the visual' examination at that time, either as an alternate examination or as an additional examination. Other alternate examinations will be considered based on the operating and maintenance history of each valve.

PAGE 3 of 3                      '
              ., .                GRAND GULF NUCLEAR STATION UNIT 1 REQUEST RRriTFP #00012 (Continued)                                                    >
                     -                  PRESERVICE INSPECTION                                                .
                     ~
OF VALVE INI'ERNAL SURi9CE                                            !
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== VII. Conclusion:==
     'Because of the previously acceptable and more stringent                      '
radiographic and internal / external surface examinations                    .
performed per ASME Section III, paragraph NB-2570, it is                    !
expected that the delay in performing the required preservice visual / internal examination until the first inservice                     .
inspection will not affect plant safety.
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          '.*,'              ATTACHMENT TO REQUEST FCA RELIEF NO. 00012 CLASS 1 VALVES OVER 4" NPS GE ISOMETRIC      PIPE SIZE AND/OR VALVE #      SYSTEM             DRAWING NO.      LINE DESIGMATION
                    'F010A         B21                  FW-11-1               24" F010B                              FW-11-7               24"
                    .F011A                              FW-11-1,              24" F011B                              FW-11-7'              24" F032A'                             FW-8-2                24"          .
F0325                              FW-8-4                24" F041A                              RV-11-1                 8" F041B                              RV-11-5                 8" FO41C                              RV-11-11                8"         f F041D                              RV-11-16                8" F041E                              RV-11-1                 9"         l F041F                              RV-11-5                 8" F041G                              RV-11-11                8"         ,
F041K                              RV-11-K                 8" F047A                              RV-11-1                 8"         i F047C                              RV-11-11                8"         ,
F047D                              RV-11-16                8" F047G                              RV-11-11                8"         l F047H                              RV-11-16                8"         f F047L                        .    .RV-11-11                8"         t F051A                       .      RV-11-1                 8" F051B                           ~ RV-11-5                 '8 "
F051C                              RV-11-11                8" F051D                              RV-11-16                8"         ,
F051F                              RV-11-5                 8" F051K                              KV-11-5                 8"         '
F022A                              MS-11-3               28"          l F022B                              MS-11-6               28" F022C                              MS-11-9               28" F022D                              MS-11-12              28"          I F028A                              MS-8-1                28"          i
* F028B                              MS-8-2                28"          s
!                    F028C                              MS-8-3                28"          l l                    F028D                              MS-8-4                28" F023A         B33                  RR-11-1               24"      '
F023B                              RR-11-8               24" F060A                              RR-11-2               24" F060B                              RR-11-9               24"          -
F067A                              RR-11-3               24" F067B                              RR-11-10              24" F008          E12                  RH-11-1          20"DBA-64 F009                               RH-11-1          20"DBA-64 F010                               RH-11-1          20"DBA-64 F019                               RH-8-8            6"DBA-32         !
F023                               RH-8-8            6"DBA-32

        . g    's ATTACHMENT TO REQUEST FOR RELIEF NO. 00012           f CLASS 1 VALVES OVER 4" NPS VALVE #     SYSTEM                 GE/ ISO         LINE SIZE 4-F039A        E12                   RH-11-3         14"DBA-28 F039B                              RH-11-4         14"DBA-28 F039C                              RH-11-5         12"DBA-38 F041A                              RH-11-3         14"DBA-29 F041B                              RH-11-4         14"DBA-28 F041C                              RH-11-5         12"DBA-38 ;
F042A                              RH-11-9,        14"DBA-29 F042B                              RH-11-11        14"DBA-28 F042C                              RH-11-8         12"DBA-38 F005         E21                   LP-11-4         14"DBA-1 F006                               LP-11-2         14"DBA-1 F007                               LP-11-1         14"DBA-1
^
F005         E22                   HP-11-1         14"DBA F004                               HP-8-1          12"DBA-5  ,
F036                               HP-11-1         14"DBA-5  [
F063         E51         *
                                                  .       RI-11-2         10"DBA-24 F064                         ,
RI-8-1          10"DBA-24 ,
F066                               RI-11-4          6"DBA-30 F004         G33                   CU-8-5           6"DBA-9 F001                               CU-11-3          6"DBA-9 F102                               CU-11-2          6"DBA-9  ;
F250                               CU-11-10 F251                               CU-11-11         6"DBA-89
    ,                  F252                               CU-11-12         6"DBA-90
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