ML17059A888

Rev 0 to Field Disposition Instruction 0245-90800, Shroud.

ML17059A888
Person / Time
Site:	Nine Mile Point
Issue date:	01/18/1995
From:	Farrell W GENERAL ELECTRIC CO.
To:
Shared Package
ML17059A889	List: ML17059A888 ML18040A162 ML18040A237
References
0245-90800, 245-90800, NUDOCS 9508080034
Download: ML17059A888 (36)

Text

25A5585 ss xo. 8 REV. 2 'NAL

- Hl H2 H3 H4 H5 H6B H7 HB Figure 1: Shroud Horizontal Weld Nomenclature PDR P ,

9'508080034 950i23 ADOCK-' 05000220 PDR"

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FDI NO.

GE Nuclear Fielcf Disposition Instructio OF DATE OF S~S~~

PROJECT UNIT

~l ~C 00~~0  !

EOUIPMENT JW1a>895 ECN/IR/DDR/FDDR MPL NO. N/A DESCRIPTION OF TASK I. Purpose This FDI documents the design, requirements, and material required to install the stabilizers and H8 weld support brackets for the shroud horizontal welds.

II. Require'd Documents (supplied by Engineering)

A. 107E5679, Rev. 2, "Reactor Modification Drawing" B. PL107E5679, Rev. 1, "Modification Drawing Parts List" C. 25A5585, Rev. 1, "Installation Specification" D. 21A2040, Rev. 1, "Cleaning and Cleanliness Control" E. 25A5583, Rev.-2, "Shroud Repair. Hardware, Design Specification" F. 25A5586, Rev. 1, "Shroud Stabilizer Code, Design Specification" G. GE-NE-B13-01739-05, Rev. 1, "Safety Evaluation H, 24A6426, Rev. 1, "Reactor Pressure Vessel Stress Report" I. GE-NE-B13-01739-04, Rev. 0,."Shroud and Shroud Repair Hardware Stress Analysls J. GE-NE-B13-01739-03, Rev. 0, "Seismic Design Report of Shroud Repair" /

K. QAM-001, Rev. 4, "GE Quality Assurance Manual" L. 25A5584, Rev. 1, "Fabrication Specification" III. Material Required (per Paragraph II.A and II.B)

Rev. Qty.' PL A. 112D6573G1 Upper Support Assy. 2 Yes B. 112D6561P1 Upper Support 1 5 No C. 112D6561P2 Upper Support 1 5 No D. 112D6559P1 Pin, Top Support 1 5 No.

E. 112D6562P1 Support 1 5 No e One tie rod with all assemblies) unit will be used as a spare.

(

APPROVALS TNeEOUIPMENTeBAPETYREIATEO K YEB 0 NO

+AP rid~/W V FIBSCTION e AFFECTED D YEB g NO ts I IO 5 FIELD WORK ORDER NO. COMPLEllON RECORO e REOUIREO BY R. E FDI ORIGINATOR YES g NOES 888neu ~/is <s TL APPL EN FDI TASK COMPLETED DISTRIBUTlON CODE INTERNAL EKTERNAL

<-/8-0S SLE ENGR PROJECT MANAGER ncv ooa IREV iOtl

C'r GE Nuclear Field Disposition lnstruc-DESCRIPTION OF TASK III. Material Required (per Pamgraph II.Aand II.B) (cont.)

SHEEr OF ~

Rev. PL F. 112D6550P1 Retainer 1 5 No G. 112D6558P3 Soc. HD Cap Screw 1 20 No H; 112D6555P1 Spring, Retainer 1 5 No I. 112D6560P2 ' Latch 1 10 No 112D 655 8P4 Soc. HD. Cap Screw 1 10 No K. 112D6578P4 Pin, Locking 1 10 No L. 112D6578P1 Pin, Locking 1 20 No M. 112D6578P2 Pin, Locking 1 10 No N 112D6578P5 Pin, Locking 1 14 No O. 112D6574G1 Upper, Spring Assy. 2 5 Yes P 112D6563P1 Spring, Upper 1 5 No Q. 112D6564P1 Bracket, Upper Spring 2 5 No R. 112D6577P1 Upper Contact 1. 5 No S. 112D6565P1 Wedge, Upper 1 5 No T. 112D6552P1 Bolt, Jack 2 5 No U. 112D6554P1 Sleeve, Jack Bolt 3 5 No V. 112D6558P6 Screw, soc hd cap 1 30 No W. 112D6578P4 Pin, Locking 1 30 No X. 112D6551P1 Spring, Retainer 1 10 No Y. 112D6553P1 Washer, Jack Bolt 1 10 No Z. 112D 6575 G1 Mid, Support Assy. 1 5 Yes AA. 112D6560P2 Latch 1 5 No BB. 112D6576G1 Lower Support Assy. 2 5 Yes CC. 112D6580P1 Bolt, Toggle 1 10 No DD. 112D6586P1 Pedestal, Lower Support 1 5 No EE. 112D6586P2 Pedestal, Lower Support 1 5 No FF. 112D6582P1 Nut, Bolt Toggle 1 10 No GG.112D6579P1 Nut, Crimp 1 10 No HH.112D6558P6 Screw, soc hd cap 1 24 No II, 112 D6578P4 Pin, Locking 1 40 No JJ. 112D6581P1 Toggle 1 10 No KK. 112D6583P1 Pin, Toggle Bolt 1 10 No LL. 112D6600P1 Extension, Lt. Pedestal 2 5 No MM.112D6614P1 Extension, Rt. Pedestal 2 5 No NN. 112D6601P1 Plug, Pedestal 1 10 No OO. 112D6585P1 Lower Support 1 5 No PP. 112D6585P2 Lower Support 1 5 No

~ One tie rod(with 'all assemblies) unit will be used as a spare.

r NEO OL1A (IlEVItOI CONTINUATIONSHEET

GE Nuclear

~

FDI NO.

RENSION Field Disposition Instruc- SKEET OF DESCRIPTION OF TASK III. Material Required (per Paragraph II.Aand II.B) (cont.)

Rev. Qty.' PL QQ 112D6546G1 "

Tie Rod/Spring Assy. 2 Yes RR. 112D6568P1 Spring, Lower 1 5 No SS. 112D6567P1 "C" Spring 2 5 No

'IT. 112D6547P1 Rod, Tie 1 5 No UU. ,112D6549P1 Pin, Clevis 1 5 No'o VV. 112D6570P1 Wedge, Lower 1 5 WW. 112D6569P1 Wedge, Guide 1 5 No XX. 112D6571P1 Lower Contact 1 10 No YY. 112D6560P1 Latch 1 5 No zz. 112D6556P1 Ring, Mid Support 1 5 No AAA. 112D6557P1 Screw, Mid Support 1 10 No BBB. 112D6587P1 Plate, Support 1 5 No CCC. 112D 655 8P2 Screw, soc hd cap 1 5 No DDD. 112D6558Pl Screw, soc.hd cap 1. 5 No EEE. 112D6558P4 Screw, soc hd cap 1 10 ~ No FFF. 112D6558PS Screw, soc hd cap 1 5. No GGG. 112D6578P1 Pin, Locking 1 15 No HHH. 112D6578P6 Pin, Locking 1 5 No III. 112D6578P4 Pin, Locking 1 15 No JJJ. 112D 6578 P3 Pin, Locking 1 10 No KKK. 178B3747G1 Bracket Assy. 2 6 Yes LLL. 178B3732P1 Upper Bracket 3 6 No hS&f. 178B3732P2 Lower Bracket 3 6 No NNN. 178B3732P3 Bracket Keyblock 3 24 No 000. 178B3732P4 Bracket Pin 3 24 No PPP. 178B3732P14 Bracket Foot 3 6 No QQQ 178B3732P5 Bracket Shim 6 No RRR. 178B3732P6 'Bracket Shim 3 18 No

. SSS. 178B3732P7 Bracket Shim 3 18 No TTT. 178B3732P8 Bracket Shim 3 18 No UUU. 178B3732P9 Bracket Shim 3 24 No VVV, 178B3732P10 Bracket Shim 3 12 No VAVW, 178B3732P11 Bracket Shim 3 6 No XXX. 178B3732P12 Bracket Crimp Cup 3, 18 No zzz. 178B3732P13 Bracket So Hd Cap Sc rew 3 18 No 1A.. 178B3732P15 Bracket LiftLug 3 12 No 1B. 178B3732P16 Upper Bracket w/o sq. holes 3 6 No lc. 178B3732P17 Screw, soc hd cap. 3 48 No 1D. 1'12D6618G1 Clamp / Spacer Assy. 1 2 Yes 1E. 112D6617P1 Spacer 1 4 No 1F.. 112D6553P1 Washer, Jack bolt 1 4 No 1G. '12D6554P1 Sleeve, Jack Bolt 4 No

~ One tie rod with all assem

( blies) unit willbe used as a spare.

N EO II1A(ItEV MO) CONTINUATIONSHEET

GE Nuclear Field Disposition lnstruc-OESCRIPllON OF TASK III. Material Required (per Paragraph II.Aand II.B) (cont.)

OF ~

Rev. Qty Pl 1H. 112D6578P4 Pin, Locking 1 4 No 1I. 112D6551P1 Spring, Retainer 1 8 No 1J. 112D6552P2 Bolt, Jack 2 4 No 1K.. 112D6616P1 Clamp, Core Plate 1 4 No 1L. 178B3735G1 Upper Toggle Bolt Assy. 1 12 Yes 1M. 178B3733P1 Toggle Bolt, Upper 3 12 No 1N. 178B3733P2 Toggle Bolt, Toggle 3 12 No

10. 178B3733P3 Pin, Toggle Bolt 3 12 No 1P. 178B3736P1 Nut, Toggle Bolt Crimp 2 12 No lQ. 178B3736P2 Nut, Toggle Bolt 2 12 No 1R. 262B1284P1 Clamp Lip 0 2 No 1S. 262B1284P2 Clamp Lip 0 2 No 1T. 112D6618G2 Clamp/Spacer Assy. 1 2 Yes

<<One tie rod (with aH assemblies) unit willbe used as a spare.

IV. Repair Procedure AH of the stabilizer installation shall be performed underwater. AH work shall be performed in accordance with Paragraph II.A and II.C.

1.0 Perform a VT-1 examitiation of the accessible areas of the RPV wall and shroud support cone, adjacent to the attachment point for the shroud stabilizer lower support and H8 weld brackets.

2.0 Shroud Head, Shroud, and Shroud Support Cone Machine the required slots in the shroud head and the holes in the shroud and shroud support cone, per II.A.

Note: The lugs on the shroud head flange for the mounting of the shroud head bolts are welded to the shroud head with a double sided groove and fillet weld. Machining the holes in the shroud head may require machin-ing into the fillet weld on one side of any lug for a linear distance of approximately 1.3 inches. Ifmachining into the fillet weld(s) is necessary, measure the size of the filletweld before machining with filletweld gauges, and measure the extent of weld removal after machining is completed. Document these measurements on a FDDR.

3.0 Repair Installation Install four (4) stabilizers and six (6) H8 brackets in accordance with the requirements in Paragraph II.A 4.0 Repair Examhiation 1

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

NKO 44$ A IREV Oh0) CONTlNUATIONSHEET

Field Disposition Instruc-DESCRIPTlON OF TASK Note: 4a through 4e refer to the stabilizer assemblies and 4f through 4g refer to the HS weld bracket OF ~

assem-blies.

a. Examine each lower spring Clevis pin to assure that it is properly located and in contact with the top of the slot in the lower support assembly.

I

b. Examine the stabilizer assembly for contact between the RPVwall and the upper contact, mid support, and lower contacts.

'c. Examine the stabilizer assembly for contact between the shroud and the upper support and lower spring.

d. Examine all components for installation of retainer devices.

e. Examine the Jam Nut on each of eight toggle bolt assemblies, to verify that crimping has occurred (crimp depressions are fully formed).

f. Examine the foot of the upper bracket of the HS Weld Assembly to confirm that it is resting or contacting the lower bracket.

g. Examine the Jam Nut on each of the six upper bracket assemblies, to verify that crimping has occurred (crimp depressions are fully formed).

V. Quality Requirements 1.0 GE site Quality Control Representatives shall provide QC surveillance and document the field work per-formed, to insure that the requirements of this FDI have been met. Allwork is to be performed in accordance with GE Quality Assurance Manual QAM-001, Rev. 4.

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%.

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 approved by Plant Owner.

a Installation procedures, travelers, or sequence data sheets, measurement data sheets, drawings, sketches, instructions, etc. These procedures or travelers shall include'cleaning and cleanliness, tool control, machining process, and visual inspection methods.

b. Hardware certifications.

I F

NEO MSA IRKVNIOI CONTINUATlONSHEET

GE Nuclear Field Disposition Instruc-OESCRIPlION OF TASK SHEET OF ~

VI. Safety/Reliability Safety and reliability have been considered in the issue of the design documents this project. The requirements for this design are contained in the Design Specifications'25A5583 and 25A5586. The seismic analysis of the repair is documented in GE-NE-B13-01739-03. The structural analysis of the repair is docu-mented in GE-NE-B13-0173944 and 24A6426. The safety evaluation for the repair is conitained in GE-NE-B13-01739-05. No new safety requirements, reviews or technical specifications are required by this FDI..

F NEO MlA(ILEVCOO) CONTINUATIONSHEET

Nine Mile Point Unit 1 Revised Core Shroud Design Supporting Documentation GENE-B13-0173944 0 "Shroud Mechanical Repair Program" NMP1 Shroud and Shroud Repair Hardware Analysis GENE-B13-01739-05 Safety Evaluation for Installation of Stabilizers on the NMP1 Core Shroud 25A5583 Design Specification "Shroud Repair Hardware" FDI 0245-90800 0 Field Disposition Instruction GE Affidavit NA AffidavitExecuted by GE Detailing Reasons to Withhold Proprietary Information

Nine Mile Point Unit 1 Revised Core Shroud Design Drawings 107E5679, Sheets 1 -4 2 Modi6cation and Installation Drawings 112D6573 2 ~Assembly Drawing of Upper Support 112D 6574 2 ~Assembly Drawing of Upper Spring 112D 6576 2 ~Assembly Drawing of Lower Support 112D 6618 1 ~Assembly Drawing of Clamp/S pacer 178B3747 2 ~Assembly Drawing of Bracket GE Affidavit NA. AffidavitExecuted by GE Detailing Reasons to Withhold Proprietary Information

~

Detailed drawings for each component are available upon request.

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Page 1 of 1

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0 EIS IDENT: 178B3747 NOTES:

(2X) 005 1. COOL PINS (P005) lN UQUID NITROGEN PRIOR TO PREUMINARY ASSEMBLY. A ISSUE 004, 005) 2X) 004 2. DEFORM CRIMP CUP (P014) AS SHOWN IN

,B A A VIEW C-C FOLLOWING FINAL INSTALLATION OF SHIMS, (P007 THRU P013) AND BOLTS (P015). MOVED VIEWS AROUND I II IL 3. DEFORM UP OF BOLTS (P017) INTO .09 DEEP, FOR CORRECT VIEWING LI 1.12 HOLES, FOLLOWING ASSEMBLY OF LUG PER RM-01738

-II-LI (P016) TO BRACKET (P003). CHK BY: NA U V 0 ENGR: J.D.LAZARUS 2 OR 019 yO 0 (004) 6 DEC 1994 F RJA OO2)

SEE DETAIL B PART 2 ALSO CHNG n n SIDE VIEW AND CHNG 002 OR 019) r JLJL DETAIL B (016 PER RM-01749 P2 CHK BY: NA ENGR J.D.LAZARUS OO5)

Qi VIEW A-A CHK BY: M MONTOYA 2X) 016 6X) O17 003)

EOLIIPMEHT CLASS. CODE SAfETY RELATED IEEE CLASS 1E 1 ASSEMBLY TH6 ITELI IS OR COHThNS A SAfETY RELATED ITEII 0 YES O NO 0 YES I NUCLEAR SAfETY RELATED HD OO6) OO6)

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RM-01078 ET T C << I +F DIST TO

0 General Electric Company AFFIDAVIT I, David J. Robare, being duly sworn, depose and state as follows:

(1) I am Manager, ALMR Project Management, General Electric Company ("GE") and have been delegated the function of reviewing the information described in paragraph (2) which is sought to be withheld, and have been authorized to apply for its withholding, (2) The information sought to be withheld is contained in the GE proprietary Drawing No. 107E5679, Medi+cation and Installatt'on Drawings, Revision 2, Class III (GE Company Proprietary Information), dated December, 1994. The proprietary information is delineated by bars marked in the margin adjacent to the specific material.

(3) In making this application for withholding of proprietary information of which it is the owner, GE relies upon the exemption &om disclosure set forth in the Freedom of Information Act ("FOIA"), 5 USC Sec. 552(b)(4), and the Trade Secrets Act, 18 USC Sec. 1905, and NRC regulations 10 CFR 9.17(a)(4), 2.790(a)(4), and 2.790(d)(l) for "trade secrets and commercial or financial infoimation obtained &om a person and privileged or confidential" (Exemption 4). The material for which exemption &om disclosure is here sought is all "confidential commercial information",

and some portions also qualify under the narrower definition of "trade secret", within the meanings assigned to those terms for purposes of FOIA Exemption 4 in, respectively, ri 'cal M Ener Pr 'e v N clear Re la o ommi si 975F2d871 (DC Cir. 1992), and lic itiz n Heal h Re ch o v. FDA, 704F2dl280. (DC Cir. 1983).

(4) Some examples of categories of information which fit into the definition of proprietary information are:

a. Information that discloses a process, method, or apparatus, including supporting data and analyses, where prevention of its use by General Electric's competitors without license &om General Electric constitutes a competitive economic advantage over other companies;

b. Information which, if used by a competitor, would reduce his expenditure of resources or improve his competitive position in the design, manufacture, shipment, installation, assurance of quality, or licensing of a similar product; AfBdavit Page 1

c. Information which reveals cost or price information, production capacities, budget levels, or commercial strategies of General Electric, its customers, or its suppliers;

d. Information which reveals aspects of past, present, or future General Electric customer-funded development plans and programs, of potential commercial value to General Electric;

e. Information which discloses patentable subject matter for which it may be desirable to obtain patent protection.

The information sought to be withheld is considered to be proprietary for the reasons set forth in both paragraphs (4)a. and (4)b., above.

(5) The information sought to be withheld is being submitted to NRC in confidence. The information is of a sort customarily held in confidence by GE, and is in fact so held.

The information sought to be withheld has, to the best of my knowledge and belief, consistently been held in confidence by GE, no public disclosure has been made, and it is not available in public sources. All disclosures to third parties including any required transmittals to NRC, have been made, or must be made, pursuant to regulatory provisions or proprietary agreements which provide for maintenance of .

the information in confidence. Its initial designation as proprietary information, and the subsequent steps taken to prevent its unauthorized disclosure, are as set forth in paragraphs (6) and (7) foHowing.

(6) Initial approval of proprietary treatment of a document is made by the manager of the originating component, the person most likely to be acquainted with the value and sensitivity of the information in relation to industry knowledge. Access to such documents within GE is limited on a "need to know" basis.

(7) The procedure for approval of external release of such a document typically requires review by the staff manager, project manager, principal scientist or other equivalent authority, by the manager of the cognizant marketing function (or his delegate), and by the Legal Operation, for technical content, competitive effect, and determination of the accuracy of the proprietary designation. Disclosures outside GE are limited to regulatory bodies, customers, and potential customers, and their agents, suppliers, and licensees, and others with a legitimate need for the information, and then only in accordance with appropriate regulatory provisions or proprietary agreements.

(8) The information identified in paragraph (2), above, is classified as proprietary because it contains detailed design information which GE has developed, obtained NRC approval of, and applied to the core shroud repair for the BWR.

The development and approval of the BWR Shroud Repair Program was achieved at a significant cost, on the order of one million dollars, to GE.

Af6knritPage 2

The development of the evaluation process along with the interpretation and application of the analytical results is derived &om the extensive experience database that constitutes a major GE asset.

(9) Public disclosure of the information sought to be withheld is likely to cause substantial harm to GE's competitive position and foreclose or reduce the availability of pro6t-making opportunities. The information is part of GE's comprehensive BWR safety and technology base, and its commercial value extends beyond the original development cost. The value of the technology base goes beyond the extensive physical database and analytical methodology and includes development of the expertise to determine and apply the appropriate evaluation process. In addition, the technology base includes the value derived &om providing analyses done with NRC-approved methods.

The research, development, engineering, analytical and NRC review costs comprise a substantial investment of time and money by GE.

The precise value of the expertise to devise an evaluation process and apply the correct analytical methodology is difBcult to quantify, but it clearly is substantial.

GE's competitive advantage will be lost ifits competitors are able to use the results of the GE experience to normalize or verify their own process or if they are able to claim an equivalent understanding by demonstrating that they can arrive at the same or similar conclusions.

/

The value of this information to GE would be lost ifthe information were disclosed to the public. Making such information available to competitors without their having been required to undertake a similar expenditure of resources would unfairly provide competitors with a windfall, and deprive GE of the opportunity to exercise its competitive advantage to seek an adequate return on its large investment in developing these very valuable analytical tools.

AfBdavitPage 3

STATE OF CAL1FORNIA )

) ss:

COUNTY OF SANTA CLARA )

David J. Robare, being duly sworn, deposes and says:

That he has read the foregoing afBdavit and the matters stated therein are true and correct to the best of his knowledge, infbrmation, and belief.

Executed at San Jose, California, tbis 18 day of >tttJVN-'I 1995.

David J. Robare General Electric Company Subscribed and sworn before me tbis ~f day of 1995.

Notary Publi, State of California MARYL KENDALI.

t COMM, 987864 Notary Pubic CcNlfomlo SANTA CLARA COUNIY My Comm. Expires MAR 2d, I%97 AfMavitPage 4