ML20086E847

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Rev 0 to Field Disposition Instruction (Fdi) HT2-0121-12900. Fdi Documents Design Requirements & Matl Required to Install Stabilizers for Shroud Horizontal Welds
ML20086E847
Person / Time
Site: Hatch Southern Nuclear icon.png
Issue date: 06/19/1995
From: Trovato J
GENERAL ELECTRIC CO.
To:
Shared Package
ML19325F570 List:
References
HT2-0121-12900, HT2-121-12900, NUDOCS 9507120288
Download: ML20086E847 (6)
v • d • e


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ATTACilMENT 9 GENE FDI NO. IIT2-0121-12900, REVISION O FIELD DISPOSITION INSTRUCTION IIATCII UNIT 2 SIIROUD REPAIR PROGRAM JUNE 1995 4

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9507120288 DR 950703 p ADOCK 05000366 PDR

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FDINo. HT2-0121-12900 ORIGINAL WHEN RevtSION O Field Disposition Instruction STAW2D !N RED SIIEET I OF 5 PROJECT }{atch UNIT 2 DATEOFISSUEg { g jgg EQUIPMENT Shroud Repair Prograrn J T OVA 7o~ M f d ECN/lR/DDRNDDK MPL NO. B } 1.A001 DESCRIPTION OF TASK I. Purpose This FDI documents the design, requirements and material required to install the stabilizers for the shroud horizontal welds.

II. Required Documents (Supplied by Engineering)

Document Numher Ruhian DescrJtitian A. 107E5734 0 Reactor Modification Drawing B. PL107E5734 0 Parts List, Reactor Modification Drawing C. 25A5720 0 Stabilizer Installation Specification D. 21A2040 1 Cleaning and Cleanliness Control E. 25A5718 0 Shroud Repair Hardware Design Specification F. 25A5717 1 Shroud Stabilizers Code Design Specification G. 25 A5719 0 Shroud Stabilizer Fabrication Specification H. GENE-B11-00637 005 0 Safety Evaluation for Hatch 2 Shroud Repair I. 25A5721 0 Shroud Stabilizers Code Stress Report J. GENE-B11-00637-002 0 Shroud and Repair Hardware Stress Analysis K. GENE B1100637 003 0 Seismic Analysis Report for Hatch 2 Shroud Repair L. QAM-001 4 GE Quality Assurance Manual l

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APPROVAL DATE APPROVALS DATE THi3 EQUIPMENT 15 5AFETY RELATED % YES O No gg S AFETY IUNCTION IS AFFECTED O YE3 M No Nekg/A$h!/7/$~ l (LLD WORK ORDLR NO. COMPLET105 RECORD

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, art,r DtsIRIHUT1oN CODE FDI TASK COMPLETED DATE 1

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Reference DRF Bl1006.17

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', s 4 FDI NO. HT2-0121-12900 ORIGINAL WHEN REVISION O FieldDisposition Instruction STAMPED lN RED SHEET 2 OF S III. Material Required (per Paragraph II.A and II.8) i Parts Document Document Parts List Number Revision Description Qty Revision A. I12D6693G001 0 Upper Stabilizer Assembly 4 0 B. I12D6694G001 0 Stabilizer Support Assembly 4 0 C. I12D6695G001 0 Tie Rod Assembly 4 0 D. I12D6696G001 0 Tie Rod / Spring A scembly 4 0 E. I12D6697G001 0 Core Plate Wedge Assembly 4 0 F. I12D6698G001 0 Mid Support Assembly 4 0 G. I12D6699G001 0 Lower Stabilizer Assembly 4 0 H. I12D6759G001 0 Collet Assembly 4 0 I. I12D6700P001 0 Rod, Tie 4 n/a J. I12D6701P001 0 Nut, Tie Rod 4 n/a K. I12D6702P001 0 Spring, Lower 4 n/a L. I12D6704P001 0 Bracket, Upper Spring 4 n/a M. I12D6705P001 0 Support, Upper 4 n/a N. I12D6705P002 0 Support, Upper 4 n/a O. I12D6706P001 0 Support 4 n/a P. I12D6707P001 0 Contact, Lower 4 n/a Q. I12D6709P001 0 Nut, Top Support & Pin Detail 16 n/a R. I12D6709P002 0 Nut, Top Support & Pin Detail 4 n/a S. I12D6709P003 0 Nut, Top Support & Pin Detail 32 n/a T. I12D6709P004 0 Nut, Top Support & Pin Detail 32 n/a U. I12D6709P005 0 Nut, Top Support & Pin Detail 4 n/a V. I12D6709P006 0 Nut, Top Support & Pin Detail 12 n/a W. I12D6710P001 0 Bolt, Top Support 8 n/a X. I12D6712P001 0 Retainer 4 n/a Y. I12D6713P001 0 Spring, Retainer 32 n/a 7.. I12D6714P001 0 Bolt, Jack 8 n/a AA. Il2D6714P002 0 Bolt, Jack 4 n/a BB. I12D6715P001 0 Sleeve, Jack Bolt 12 n/a CC. I12D6717P001 0 Spring, Retainer 4 n/a DD. I12D6718P001 0 Support, Mid 4 n/a EE. I12D6719P001 0 Ring, Mid Support 4 n/a

  • FF. I12D6720P001 0 Screw, Mid Support 4 n/a GG. I12D6721P001 0 Wedge, Core Plate 4 n/a

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, s FDI NO. HT2-0121-12900 ORIGINAL WHEN " ' ' "

FieldDisposition Instruction TAMPED IN RED SHEET 3 OF 5 Parts Document Document Parts List Munihtr Reusian Description Qty Revision HH. I12D6722P001 0 Clip, Core Plate 4 n/a II. I12D6723P001 0 Bolt, Wedge 4 n/a JJ. I12D6724P001 0 Screw, Top Support 16 n/a KK. I12D6725P001 0 Bracket, Top Support 4 n/a LL. I12D6726P001 0 Latch 12 n/a '

MM. I12D6726P002 0 Latch 4 n/a NN. I12D6753P001 0 Wedge, Upper Stabilizer 8 n/a

00. I12D6754P001 0 Block, Upper Stabilizer 4 n/a PP. I12D6754P002 0 Block, Upper Stabilizer 4 n/a QQ. I12D6756P001 0 Arm, Upper Stabilizer 4 n/a IUL 112D6757P001 0 Bolt, Upper Stabilizer 8 n/a SS. I12D6758P001 0 Nut, Upper Stabilizer 8 n/a TT. I12D6760P001 0 Collet 4 n/a UU. Il2D6761P001 0 Clevis Pin 4 n/a VV. I12D6762P001 0 Cruciform Spacer 4 n/a WW. I12D6763P001 0 Bolt 8 n/a XX. 112D6764P001 0 Torque Restraint, Part 1 4 n/a YY. I12D6765P001 0 Torque Restraint, Part 2 4 n/a ZZ. I12D6766P001 0 Cruciform Spacer, Part 2 4 n/a AAA. I12D6767P001 0 Cruciform Rod 4 n/a BBB. I12D6768P001 0 Nut 4 n/a CCC. I12D6773P001 0 Torque Restraint, Part 3 4 n/a DDD. I12D6774P001 0 Bolt, Torque Restraint 4 n/a IV. Repair Procedure Mt of the stabilizer installation shall be performed under water. All work shall be performed in accordance widi

!. i%craph II.A and ll.C.

1.0 Shroud Top Flange and Support Machine the required slots in the shroud top flange, and the required holes in the shroud support, per ll.A.

2.0 Repair Hardware Installation Install the four stabilizers in accordance with the requirements in Paragraph II.A and II.C.

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HT2-0121-12900 MW& FDINO.

ORIGINAL WHEN REVISION 0 [

FieldDisposition Instruction STAMPED IN RED S!!EET 4 OF 5 1

3.0 Repair Examination

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A visual examination of the completed repair shall be performed. The television camera shall be capable of resolving a .001 inch diameter wire on a neutral gray background.

a. Examine each clevis pin to assure that it is properly located and in correct contact with the bottom of the slot in the lower spring. ,
b. Examine the core plate wedge assemblies to assure that they are properly seated.
c. Examine the stabilizer assemblies for contact between the RPV wall and the upper stabilizers (2 contacts each), mid supports (2 contacts each), and lower contacts (1 contact each).
d. Examine the stabilizer assemblies for contact between the shroud and the upper support (1 contact each) and lower spring (1 contact each).  ;

V. Quality Requirements 1.0 GE Site Quality Control Representatives shall provide QC surveillance and document the field work performed, to insure that the requirements of this FDI have been met. All work is to be performed in accordance with GE Quality Assurance Manual QAM-001. '

2.0 The following shall be the minimum Quality Control Documentation Requirements: ,

a. Video tape of the completed repair.
b. Process documentation and inspection data sheets as applicable.
c. As-built dimensions per II.A.

3.0 The following procedures and supporting documentation shall be submitted to GE Site QA and Plant Owner (as applicable) for review, and approval obtained prior to use. Previously approved GENE procedures may be used in satisfying the requirements of this paragraph provided they are approve i by the Plant Owner.

a. Installation procedures, travelers, or sequence data sheets, drawings, skett,hes, instructions, etc. '

These procedures or travelers shall include cleaning and cleanliness, tool control, machining  ;

processes, and visual inspection methods.

b. Hardware certifications.

HT2-0121 12900 GE W ORIGIN AL WHEN FDINO.

STAMPED IN RED nsvissou o Field Disposition Instruction SHEET 5 OF 5 VI. Safety / Reliability Safety and reliability have been considered in the issue of the design documents for this project. The requirements for this design are contained in the Design Specifications 25A5718 and 25A5717. The seismic analysis of the repair is documented in GENE-B11-00637-003. The structural analysis of the repair is documented in GENE-B11-00637-002 and Specification 25A5721. The safety evaluation for the repair is contained in GENE-B11-00637-005. No new safety requirements, reviews or technical specifications are '

required by this FDI.

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