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 9'508080034 950i23 PDR ADOCK- 05000220 P

PDR"

i 4

Er,c, GE Nuclear Fielcf Disposition Instructio o j FDI NO.

OF~

PROJECT EOUIPMENT MPL NO.

DESCRIPTION OF TASK I. Purpose UNIT DATEOFS~S~~

~l~C 00~~0 JW1a>895 ECN/IR/DDR/FDDR N/A 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) ysls

/

A.

107E5679, Rev. 2, "Reactor Modification Drawing" B.

PL107E5679, Rev. 1, "ModificationDrawing 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 Anal J.

GE-NE-B13-01739-03, Rev. 0, "Seismic Design Report ofShroud Repair" K.

QAM-001, Rev. 4, "GE Quality Assurance Manual" L.

25A5584, Rev. 1, "Fabrication Specification" III. Material Required (per Paragraph II.Aand II.B)

Rev.

A.

112D6573G1 Upper Support Assy.

2 B.

112D6561P1 Upper Support 1

C.

112D6561P2 Upper Support 1

D.

112D6559P1 Pin,Top Support 1

E.

112D6562P1 Support 1

e One tie rod ( with all assemblies) unit willbe used as a spare.

Qty.'

5 5

5 5

PL Yes No No No.

No APPROVALS

+AP rid~/W TNeEOUIPMENTeBAPETYREIATEO K YEB 0 NO V FIBSCTION e AFFECTED D

YEB g NO ts SLE ENGR PROJECT MANAGER ncv ooa IREViOtl

<-/8-0S I IO 5

FDI ORIGINATOR 888neu

~/is <s TLAPPL EN DISTRIBUTlONCODE INTERNAL EKTERNAL FIELDWORK ORDER NO.

FDI TASKCOMPLETED COMPLEllONRECORO e

REOUIREO BYR. E YES g NOES

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

SHEEr OF~

Retainer Soc. HD Cap Screw Spring, Retainer Latch Soc. HD. Cap Screw Pin, Locking Pin, Locking Pin, Locking Pin, Locking Upper, Spring Assy.

Spring, Upper Bracket, Upper Spring Upper Contact Wedge, Upper Bolt, Jack Sleeve, Jack Bolt Screw, soc hd cap Pin, Locking Spring, Retainer Washer, Jack Bolt Mid, Support Assy.

Latch Lower Support Assy.

Bolt, Toggle Pedestal, Lower Support Pedestal, Lower Support Nut, Bolt Toggle Nut, Crimp Screw, soc hd cap Pin, Locking Toggle Pin, Toggle Bolt Extension, Lt. Pedestal Extension, Rt. Pedestal Plug, Pedestal Lower Support Lower Support F.

112D6550P1 G.

112D6558P3 H;

112D6555P1 I.

112D6560P2 112D 655 8P4 K.

112D6578P4 L.

112D6578P1 M.

112D6578P2 N

112D6578P5 O.

112D6574G1 P

112D6563P1 Q.

112D6564P1 R.

112D6577P1 S.

112D6565P1 T.

112D6552P1 U.

112D6554P1 V.

112D6558P6 W.

112D6578P4 X.

112D6551P1 Y.

112D6553P1 Z.

112D 6575 G1 AA. 112D6560P2 BB. 112D6576G1 CC. 112D6580P1 DD. 112D6586P1 EE. 112D6586P2 FF.

112D6582P1 GG.112D6579P1 HH.112D6558P6 II, 112 D6578P4 JJ.

112D6581P1 KK. 112D6583P1 LL. 112D6600P1 MM.112D6614P1 NN. 112D6601P1 OO. 112D6585P1 PP.

112D6585P2

~ One tie rod(with r

'all assemblies) unit willbe used Rev.

1 1

1 1

1 1

1 1

1 2

1 2

1.

1 2

3 1

1 1

1 1

1 2

1 1

1 1

1 1

1 1

1 2

2 1

1 1

as a spare.

5 20 5

10 10 10 20 10 14 5

5 5

5 5

5 5

30 30 10 10 5

5 5

10 5

5 10 10 24 40 10 10 5

5 10 5

5 PL No No No No No No No No No Yes No No No No No No No No No No Yes No Yes No No No No No No No No No No No No No No NEO OL1A(IlEVItOI CONTINUATIONSHEET

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

FDI NO.

RENSION SKEET OF~

QQ RR.

SS.

'IT.

UU.

VV.

WW.

XX.

YY.

zz.

AAA.

BBB.

CCC.

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FFF.

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III.

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KKK.

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NNN.

000.

PPP.

QQQ RRR.

. SSS.

TTT.

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VVV, VAVW, XXX.

zzz.

1A..

1B.

lc.

1D.

1E.

1F..

1G.

~ One ti Rev.

2 1

2 1

1 1

1 1

1 1

1 1

1 1.

1 1

1 1

1 1

2 3

3 3

3 3

112D6546G1 112D6568P1 112D6567P1 112D6547P1

,112D6549P1 112D6570P1 112D6569P1 112D6571P1 112D6560P1 112D6556P1 112D6557P1 112D6587P1 112D 655 8P2 112D6558Pl 112D6558P4 112D6558PS 112D6578P1 112D6578P6 112D6578P4 112D6578 P3 178B3747G1 178B3732P1 178B3732P2 178B3732P3 178B3732P4 178B3732P14 178B3732P5 178B3732P6 178B3732P7 178B3732P8 178B3732P9 178B3732P10 178B3732P11 178B3732P12 178B3732P13 178B3732P15 178B3732P16 178B3732P17 1'12D6618G1 112D6617P1 112D6553P1

'12D6554P1 3

3 3

3 3

3 3,

3 3

3 3

1 1

1 rew holes e rod ( with all assem as a spare.

" Tie Rod/Spring Assy.

Spring, Lower "C" Spring Rod, Tie Pin, Clevis Wedge, Lower Wedge, Guide Lower Contact Latch Ring, Mid Support Screw, Mid Support Plate, Support Screw, soc hd cap Screw, soc.hd cap Screw, soc hd cap Screw, soc hd cap Pin, Locking Pin, Locking Pin, Locking Pin, Locking Bracket Assy.

Upper Bracket Lower Bracket Bracket Keyblock Bracket Pin Bracket Foot Bracket Shim

'Bracket Shim Bracket Shim Bracket Shim Bracket Shim Bracket Shim Bracket Shim Bracket Crimp Cup Bracket So Hd Cap Sc Bracket LiftLug Upper Bracket w/o sq.

Screw, soc hd cap.

Clamp / Spacer Assy.

Spacer Washer, Jack bolt Sleeve, Jack Bolt blies) unit willbe used Qty.'

5 5

5 5

5 5

10 5

5 10 5

5 5

10

~

5.

15 5

15 10 6

6 6

24 24 6

6 18 18 18 24 12 6

18 18 12 6

48 2

4 4

4 PL Yes No No No No'o No No No No No No No No No No No No No No Yes No No No No No No No No No No No No No No No No No Yes No No No NEO II1A(ItEVMO)

CONTINUATIONSHEET

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

Rev.

1 1

2 1

1 3

3 3

2 2

0 0

1 1H.

112D6578P4 1I.

112D6551P1 1J.

112D6552P2 1K..

112D6616P1 1L.

178B3735G1 1M.

178B3733P1 1N.

178B3733P2 10.

178B3733P3 1P.

178B3736P1 lQ.

178B3736P2 1R.

262B1284P1 1S.

262B1284P2 1T.

112D6618G2 Pin, Locking Spring, Retainer Bolt, Jack Clamp, Core Plate Upper Toggle Bolt Assy.

Toggle Bolt, Upper Toggle Bolt, Toggle Pin, Toggle Bolt Nut, Toggle Bolt Crimp Nut, Toggle Bolt Clamp Lip Clamp Lip Clamp/Spacer Assy.

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

Qty 4

8 4

4 12 12 12 12 12 12 2

2 2

Pl No No No No Yes No No No No No No No Yes OF~

IV. Repair Procedure AHofthe stabilizer installation shall be performed underwater.

AHwork shall be performed in accordance with Paragraph II.Aand II.C.

1.0 Perform a VT-1 examitiation ofthe accessible areas ofthe 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 ofthe shroud head bolts are welded to the shroud head with a double sided groove and filletweld. Machining the holes in the shroud head may require machin-ing into the filletweld on one side ofany lug for a linear distance ofapproximately 1.3 inches. Ifmachining into the filletweld(s) is necessary, measure the size ofthe filletweld before machining withfilletweld gauges, and measure the extent ofweld 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 ofthe completed repair shaH be performed. The television camera shaH be capable of resolving a.001 inch wire on a neutral gray background.

NKO44$A IREVOh0)

CONTlNUATIONSHEET

Field Disposition Instruc-OF~

DESCRIPTlON OF TASK Note: 4a through 4e refer to the stabilizer assemblies and 4fthrough 4g refer to the HS weld bracket assem-blies.

a. Examine each lower spring Clevis pin to assure that it is properly located and in contact with the top ofthe 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 ofretainer devices.

e. Examine the Jam Nut on each ofeight toggle bolt assemblies, to verifythat crimping has occurred (crimp depressions are fullyformed).

f. Examine the foot ofthe upper bracket ofthe HS Weld Assembly to confirm that itis resting or contacting the lower bracket.

g. Examine the Jam Nut on each ofthe six upper bracket assemblies, to verifythat crimping has occurred (crimp depressions are fullyformed).

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 ofthis FDI have been met. Allwork is to be performed in accordance with GE Quality Assurance Manual QAM-001, Rev. 4.

2.0 The followingshall be the minimum Quality Control Documentation requirements:

a. Video tape ofthe completed repair.

b. Process documentation and inspection data sheets as applicable.

c. As-builtdimensions per II%.

3.0 The followingprocedures 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 ofthis 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 reliabilityhave been considered in the issue ofthe design documents this project. The requirements for this design are contained in the Design Specifications'25A5583 and 25A5586. The seismic analysis ofthe repair is documented in GE-NE-B13-01739-03.

The structural analysis ofthe repair is docu-mented in GE-NE-B13-0173944 and 24A6426. The safety evaluation forthe 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 GENE-B13-01739-05 0

"Shroud Mechanical Repair Program" NMP1 Shroud and Shroud Repair Hardware Analysis Safety Evaluation for Installation of Stabilizers on the NMP1 Core Shroud 25A5583 FDI 0245-90800 GE Affidavit 0

NA Design Specification "Shroud Repair Hardware" Field Disposition Instruction 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 112D6574 112D6576 112D6618 178B3747 GE Affidavit 2

~Assembly Drawing of Upper Support 2

~Assembly Drawing of Upper Spring 2

~Assembly Drawing of Lower Support 1

~Assembly Drawing of Clamp/S pacer 2

~Assembly Drawing of Bracket NA.

AffidavitExecuted by GE Detailing Reasons to Withhold Proprietary Information Detailed drawings for each component are available upon request.

~

~

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NOTES:

1. COOL PINS (P005) lN UQUID NITROGEN PRIOR TO ASSEMBLY.

2. DEFORM CRIMP CUP (P014) AS SHOWN IN VIEW C-C FOLLOWING FINAL INSTALLATION OF SHIMS, (P007 THRU P013)

AND BOLTS (P015).

3. DEFORM UP OF BOLTS (P017) INTO.09 DEEP, 1.12 HOLES, FOLLOWING ASSEMBLY OF LUG (P016)

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(004)

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

(1) I am Manager, ALMRProject Management, General Electric Company ("GE") and have been delegated the function ofreviewing 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 ofits use by General Electric's competitors without license &om General Electric constitutes a competitive economic advantage over other companies; b.

Information which, ifused by a competitor, would reduce his expenditure of resources or improve his competitive position in the

design, manufacture, shipment, installation, assurance ofquality, or licensing ofa similar product; AfBdavitPage 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 ofmy 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 ofproprietary treatment ofa document is made by the manager ofthe 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 ofexternal release of such a document typically requires review by the staff manager, project manager, principal scientist or other equivalent authority, by the manager ofthe cognizant marketing function (or his delegate),

and by the Legal Operation, for technical content, competitive effect, and determination ofthe accuracy ofthe 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 ofthe BWR Shroud Repair Program was achieved at a significant cost, on the order ofone milliondollars, to GE.

Af6knritPage 2

The development of the evaluation process along with the interpretation and application ofthe 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 ofpro6t-making opportunities.

The information is part ofGE'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 oftime and money by GE.

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

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

/

The value ofthis 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 ofresources 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

)

)

COUNTYOF SANTACLARA

)

ss:

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 ofhis 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.

MARYL KENDALI.

COMM,t 987864 Notary Pubic CcNlfomlo SANTACLARACOUNIY MyComm. Expires MAR2d, I%97 Notary Publi, State ofCalifornia AfMavitPage 4