ML20129H627

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Addendum 1 to Rev 4 to Post-Accident Recovery Cost Study of Lacbwr
ML20129H627
Person / Time
Site: La Crosse File:Dairyland Power Cooperative icon.png
Issue date: 07/08/1985
From:
NUCLEAR ENERGY SERVICES, INC.
To:
Shared Package
ML20129H610 List:
References
81A1087-ADD-01, 81A1087-ADD-1, 81A1087-R04-ADD-01, 81A1087-R4-ADD-1, NUDOCS 8507190271
Download: ML20129H627 (24)


Text

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, " , 1 milF NUCt. EAR ENERGY SERVICES DOCUMENT NO. 81A1087 REV.4 11 = d 8"N ' ** PAGE I nF 105 POST-ACCIDENT RECOVERY COST STUDY OF THE LACROSSE BOILING WATER REACTOR l

Prepared for DAIRYLAND POWER COOPERATIVE LACROSSE, WI i

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APPROVALS TITLE / DEPT. - SIGN ATURE D ATE GENERAL PROJECT Q.A.

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- 81A1087 c"""T "o-REVISION LOG g gy NUCLEAR ENERGY SERVICES,INC. PAGE OF

"[g - DATE N DESCRIPTION APPROVAL 1 7/19/84 1-21 Added Supplement to Post-Accident gg Recovery Cost Study of the LACROSSE Boiling Water Reactor - A Comparison Of The Big Rock Point and LACRWR Post -

Accident Recovery Cost Studies CRA 4496 2 8/10/84 6, 25 , Document update for correction of p 83, 8 7 typographical errors and textual I consistency 3 12/20/84 All Customer comments - CRA 4955 [ Nh, 1, o i 105 4 7/3/85 .

d Addendum 1 - CRA 5479

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FORM e NES 2062'80 k -

81A1087 der _

4 11 NUCLEAR ENERGY SERVCES 105 TABLES Page 1-1

SUMMARY

OF POST-ACCIDENT RECOVERY COSTS 6 2-1

SUMMARY

OF ACCIDENT CONSEQUENCES 13 2-2 INITIAL INVENTORY OF RADIONUCLIDES IN THE 17 REACTOR CORE AT THE TIME OF THE LOCA 2-3 ESTIMATED CORE RELEASE FRACTIONS 21 2-4 ESTIMATED INVENTORY OF RADIOACTIVITY RELEASED 22 FROM DAMAGED REACTOR FUEL DURING THE ACCIDENT 4-1 LACBWR POST-ACCIDENT RECOVERY COSTS 67 4-2 COST OF DISPOSAL OF DAMAGED FUEL AND CORE 83 RUBBLE 4-3 IMPACTS OF DESIGN BASIS LOSS OF COOLANT 84 ACCIDENT ON DECOMMISSIONING COSTS 4-4 LACBWR POST-ACCIDENT RECOVERY COST STUDY 86 NOTES 7-1 COMPARISON OF CONTAINMENT DECONTAMINATION 95 SCHEDULES 7-2 COMPARISON OF REACTOR DEFUELING SCHEDULES 96 7-3 COMPARISON OF RECOVERY OPERATION MANPOWER 97 7-4 COMPARISON OF MAJOR COST ELEMENTS 99 APPENDICES APPENDIX A 104 ADDENDUM 1 A-1 b FORM s NES 205 2/80 m

81A1087 DOCUMENT NO.

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NUCLEAR ENERGY SERVICES eyfgf l

ADDENDUMi h TO POST-ACCIDENT RECOVERY COST STUDY OF THE LACROSSE BOILING WATER REACTOR ESTIMATED LOST IMPACT OF ADDING FUEL MELTING TO BASE STUDY ACCIDENT SCENARIO i

PREPARED FOR DAIRYLAND POWER COOPERATIVE LACROSSE, WI FORM # NES 205 2/80

q 81 A1087

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11 NUCLEAR ENERGY SERVICES GE M OF D TABLE OF CONTENTS Page

1.

SUMMARY

A3

2. EXPLANATION OF COST INCREASES TO BASE STUDY A5
3. COST ESTIMATE - EFFECTS OF FUEL MELTING UPON BASE STUDY A7 TABLES t

l l A-1

SUMMARY

OF POST-ACCIDENT RECOVERY COSTS A4 l

l A-2 LACBWR POST-ACCIDENT RECOVERY COSTS - A6 INCLUDING EFFECTS OF FUEL MELTING 1

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FCAM # NES 205 2/80 m

} l I A1087 DOCUMENT NO.

11 '2 NUCLEAR ENERGY SERVICES PAGE A3 OF A21 l

!.5UMMARY l i

This report is Addendum 1 to the report " Post-Accident Recovery Cost Study Of The l Lacrosse Boiling Water Reactor", NES Document 81A1087, Revision 3, pub!!shed on December 20,1984. The report (hereinaf ter referred to as the " base study") consisted of the analysis and cost estimate of a post-LOCA recovery project at the subject plant. The accident scenario involved a below-core complete break in the primary coolant piping system and included 100% tuel cladding failure without fuel melting.

This addendum report reflect the impact of adding a 50% fuel melt criterion to the accident scenario of the base study and estimates the resultant increased costs. All other criteria and the cost estimating methodology of the base study were maintained in the preparation of this report.

A comparison of post-accident recovery costs of the base study and the recovery cost estimate of this report is shown in Table A-1. These data show that the impact of 50%

fuel melting would add an estimated $27,282,950 to the costs estimated in the base study.

Thus, it is estimated that property damage insurance coverage of approximately $180 million would be adequate for the Lacrosse Bolling Water Reactor plant.

FOAM s NES 205 2/80 E

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DOCUMENT NO. 81A1087 4anarer O m::--

11 NUCLEAR ENERGY SERVCES GE M OF D TABLE A-1

SUMMARY

OF POST-ACCIDENT RECOVERY COSTS

  • COST OF RECOVERY ITEM BASE STUDY ADDENDUM 1 Plant Structures, $115,155,000 $142,437,950 Systems, and Components Cost increase $17,716,400 $17,716,400 For Disposal of Damaged Fuel increased Cost $19,170,800 $19,170,800 Of Reactor Decommissioning Total Recovery $152,042,200 $179,325,150 Cost TOTAL COST INCREASE = $27,282,950 DUE TO FUEL MELTING
  • COSTS INCLUDE A 25% CONTINGENCY AND ARE STATED IN 1984 DOLLARS FORM 8 NES 205 2/80 m

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11 NUCLEAR ENERGY SERVCES PAGE OF

2. EXPLANATION OF COST INCREASES TO THE BASE STUDY The base study attempted to accurately estimate the maximum reasonable costs of recovery from a LOCA at the LACBWR plant. Three scenarios of accident criteria were presented in NUREG/CR-2601. The NUREG study presents three accident scenarios. Of these scenarios, Scenario 2 and Scenario 3 equate to the accident scenario of the base study and this addendum, respectively.

The preparation of the base study incorporated many of the unit cost factors developed in the NUREG study. In order to provide of reasonable maximum cost estimate, many cost factors related to Scenario 3 of the NUREG study were used in the base study cost estimate. Thus, while the total recovery cost estimate presented in this addendum depict the total impact of a LOCA, with 50% fuel melting, the differential cost of $27,282,950 reflects only the difference in the cost estimate of this addendum and that of the base study - not the total differential costs of the two accident scenarios.

The cost estimate differential between the base study and this addendum are attributed primarily to five areas of the accident recovery plan.

2.1 RADIOLOGICAL CONSEQUENCES A major cost element in an accident recovery project results from the contamination of the containment structure. A comparison of the expected source term and contamination levels in the base study and this addendum is shown in Table A-2. The principle areas of added costs due to contamination are in Plant Structures, Systems and Components. Of the total added costs of $27.2 million, approximately $4.3 million is attributed to increased efforts in recovery plan development, preparation of activity specifications and detailed procedures, supplies, health physics and recovery plan implementation.

2.2 SPENT FUEL HANDLING EQUIPMENT The largest single cost increase to the base cost estimate is attributable to the

$12.5 million added costs for spent fuel handling equipment. This cost increase FORM a NES 205 2/80

A 087

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A6 A21 E OF NUCLEAR ENERGY SERVICES TABLE A-2 COMPARISON OF SOURCE TERM AND CONTAMINATION LEVELS BASE STUDY ADDENDUM 1 Activity Released 1.3 x 106 29.6 x 10 6 During Accident (Ci)

Activity Remaining 6.9 x 10" 64.4 x 10" Af ter Two Year Decay (Cl)

Average Area Dose 64 279 Rate in Containment Building After Two Year Decay (mr/hr) r 1

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l FORM a NES 205 2/80 l

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7 DOCUMENT NO.

81A1087

" 4anarer: S-11 NUCt. EAR ENERGY SERVCES PAGE A7 op G is the difference between the estimated equipment costs in Scenario 2 and Scenaric 3 of $1.0 million and $11.0 million, respectively, escalated to 1984 dollars.

2.3 WASTE DISPOSAL The second largest cost increase is due to the impact upon waste disposal. The estimated cost increase of $6.0 million is due largely to burial site charges for disposal of the 64 n .llon curies estimated in this addendum study as opposed to only 6.9 mi!!!on curie.t estimated in the base study.

2.4 REACTOR MOCK-UP An added cost of $2.5 million results from the need for more extensive use of more complex reactor mock-up equipment for training in spent fuel hand!!ng and packaging for off-site disposal.

2.5 SUPPLIES,liEALTH PHYSICS AND MISCELLANEOUS A cost increase of $1.9 million results from the need for additional supplies and expendable tools to support health physics coverage and contamination removal.

3. COST ESTIMATE - EFFECTS OF FUEL MELTING UPON BASE STUDY Detailed elements of the recovery cost estimate for Plant Structures, Systems and Components for this addendum accident scenario are shown in Table A-3. The total cost estimate shown in Table A-3 is $142,437,950.

Tha total recovery cost estimate for the accident scenario of this addendum report is obtained by adding the above costs to the $17,716,400 estimated cost increase for disposal of damaged fuel (Table 4-2) and the $19,170,800 estimated increased cost of reactor decommissioning (Table 4-3). Therefore, the total recovery cost estimate for this addendum accident scenario is $179,325,150.

FORM # NES 205 2/80

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81A2087 Aaswree M PAGE Ce NUCLEAR ENERGY SERVICES Thus, the impact of adding 50% fuel melting to the accident scenario of the base study results in a total increased cost of $27,282,950 or a 17.9% increase to the base study cost estimate.

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FORM 8 NES 205 2/80 J

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11 O E CF NUCt. EAR ENERGY SERVICES TABLE A-3 LACBWR POST-ACCIDENT RECOVERY

, COSTS -INCLUDING EFFECTS

OF FtJEL MELTING

! Maior Activities Cost ($)

i I. Phase ! - Recovery Planning

',  !. Post Accident Monitoring & Maintenance Note A

2. Interface with NRC Note A 2.1 Estab!!sh Accident Licensing Staff
3. Evaluate / Select Engineering Support Contractor $ 221,800 3.1 Write Specification 3.2 Answer Questions

! 3.3 Select Bidder i

4. Construct Temporary Offices $ 301,300 4.1 Turbine Building 4.2 Yard
5. Develop Recovery Conceptual Plan $ 312,520 5.1 Obtain & Review Plant Drawings 5.2 Prepare End Product Description 5.3 Calculate Containment Radioactive Inventory 5.4 Define Major Sequence of Work Activities

! 5.5 Develop Conceptual Plan

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DOCUMENT NO, 1A1037 Aanarer M -s-: --

11 NUCt. EAR ENERGY SERVICES PAGE A10 OF A21 TABLE A-3 (Continued)

, Major Activities Cost ($)

6. Develop Accident Recovery Reports $ 550,400 6.1 Safety Analysis Reports 6.2 Environmental Impact Sta.cment 6.3 Final Report
7. Prepare Integrated Recovery Sequence $ 78,650
8. Design Temporary Support Facilities $ 332,640
9. Design, Fabricate and/or Purchase Recovery Equipment / Systems 9.1 Containment Ventilation System $ 102,400 9.2 Containment Vent System Contamination $ 70,400 Control Envelope 9.3 Breathing Air Compressor (2 each) $ 70,000 9.4 Containment Water Processing System $ 330,600 9.5 Concrete Scabblers $ 58,000 9.6 HEPA Filter Attachments for Scabblers $ 100,200 9.7 High Pressure Water Wash Equipment $ 186,500 l 9.8 Hand Operated Pallet Trucks $ 1,400 l 9.9 Spider Work Platform $ 52,200 9.10 In-Containment Communication Systems $ 25,000 9.11 Containment Closed Circuit $ 258,500 TV Monitoring System 9.12 High Reach Scissors Platform $ 15,000 l

9.13 Application Equipment for Strippable $ 5,000 Paint 9.14 Strippable Paint $ 250,800 FORM 8 NES 205 2/80 L

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81A1087 a anwrev ~&

11 NUCLEAR ENERGY SERVICES GE OF TABLE A-3 (Continued)

Major Activities Cost ($)

9.15 Procure Containers & Cask Contracts $ 12,200 9.16 Remote Underwater Monitor end $ 125,000 Manipulator for Reactor Vessel 9.17 Hydraulic Shears for Core Spray Bundle $ 20,000 9.13 Remote Manual Manipulators $ 10,000 9.19 Steam Separator In-Vessel Retainer $ 65,300 9.20 Core Spray Bundle Segment Cans & Pit $ 23,000 Rigging 9.21 Reactor Water Clean-Up & Level Control $ 190,300 System 9.22 Contamination Control Envelope for $ 152,600 Internals Segmentation 9.23 Remote Manipulator & Torch for $1,290,500 Internals Segmentation 9.24 Internals Segment Storage Cans $ 65,000 9.25 Hydraulic Vacuum System $ 160,500 9.26 Equipment for Removal and Leading $13,772,000 of Damaged Fuel into Transport Containers 9.27 Damaged Fuel Storage Racks $ 388,100 9.28 Recirculation Nozzle Plugs & Installation $ 320,000 Equipment 9.29 Containment Silt Pumps & Piping $ 95,200 9.30 Shielding $ 450,000 9.31 Underwater Plasma Arc Torch $ 75,000 9.32 Portable Oxyacetylene Torches $ 5,000 9.33 Underwater Lights and Viewing Aids $ 50,000 9.34 Rigging Equipment $ 62,600 9.35 HEPA Filtered Vacuum $ 270,000 9.36 Supplied Air Plastic Suits $ 25,000 FORM # NES 205 2/80

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11 NUCLEAR ENERGY SERVICES PAGE OF TABLE A-3 (Continued)

Maior Activities Cost ($)

10. Develop Activity Specifications, Detailed Procedures & Radiation Work Permits 10.1 Installation of Containment Vent $ 181,400 10.2 Installation of Containment Access $ 302,400 Structure 10.3 Design of Temporary Laydown Areas $ 120,980 10.4 Containment Entry & Initial Survey $ 141,100 10.5 Containment Decontamination $ 544,300 10.6 Personnel Training $ 80,600 10.7 Service Equipment Repair / Maintenance $ 60,500 10.8 Repairs to Main Crane & Refueling $ 131,000 Equipment 10.9 Install Special Equipment at $ 120,980 Elevation 701' 10.10 Installation of Damaged Fuel Racks $ 120,920 10.11 Removal of Reactor Vessel Head $ 151,200 10.12 Fuel and Core Inspection $ 110,900 10.13 Reactor Water Clean-Up & Level Control $ 131,000 i

System Installation l 10.14' Segmentation of Core Spray Bundle $ 181,400 10.15 Removal of Damaged Fuel and Core $ 272,200 l Debris, Container Loading i 10.16 Segmentation and Removal of Internals $ 211,700 10.17 Installation of Recirculation $ 60,500 l Nozzle Plugs l

10.18 Containment Water Processing & Drainage $ 181,400 10.19 Decontamination / Repair of Main Air Lock $ 50,400 10.20 Solidification of Liquid Wastes $ 161,100 FORM # NES 205 2/00

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IA1087 DOCUMENT NO.

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11 NUCLEAR ENERGY SERVICES GE OF D TABLE A-3 (Continued)

Major Activities Cost ($)

10.21 Handling & Storage of Recovery Wastes $ 181,400 10.22 Disposal of Recovery Wastes $ 141,200 10.23 Waste Classification $ 100,800 10.24 Recirculation Pump Cubicle Area $ 136,100 Decontamination 10.25 Removal of Damaged Fuel Racks from $ 95,720 Fuel Pool 10.26 Transfer of Damaged Fuel and Core $ 241,960 Rubble into Shipping Casks 10.27 Installation of Breathing Air $ 10,100 Compressor 10.28 Installation of Temporary Shielding $ 120,980 10.29 Installation of Containment Utility Panel $ 80,600

11. Perform Plant Preparation / Construct Temporary Facilities 11.1 Install Reactor Mock-Up in Turbine Building $3,756,000 11.2 Construct Shielded & Unshielded Waste $1,020,700 Storage Facilities 11.3 Construct Containment Water Processing Building $ 626,000 j

11.4 Construct Temporary Laydown & Storage Areas $ 229,200 11.5 Install Augmented Laundry Facility $ 187,800 11.6 Construct Temporary Employee Processing $ 130,000

( and Training Center FORM 8 NES 205 2/80 t .

' 81A1087 DOCUMENT NO.

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11 A GRfr er AIN A21 PAGE OF NUCt. EAR ENERGY SERVICES TABLE A-3 (Continued)

Major Activiti_es Cost ($)

Undistributed Costs Utility Administrative and Operations Staff (through Activity 11) $6,320,300 Engineering Support Contractor (through Activity 11) $3,093,900 II. Phase 11 - Containment Recovery Activities

12. Install Containment Vent System Note B 12.1 Construct System on Skids 12.2 Remove Insulation from Containment Dome 12.3 Install Containment Contamination Control Envelope 12.4 Install Vent System 1

i 13. Install Containment Water Processing System 13.1 Install & Test Filtration / Evaporation / $ 250,000 Demineralization System l 13.2 Install Processed Water Storage Tanks $ 507,000 l 13.3 Install Waste Solidification System $ 500,000 l

14. Construct Containment Access Structure $ 439,300 14.1 Construct Support Structure & Elevator 14.2 Construct Contamination Control Envelope l & Open Containment 14.3 Insta!! Prefabricated Air Lock by Crane 14.4 Weld Air Lock to Support Tube FORM # NES 205 2/80

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Maior Activities Cost ($)

15. Enter Containment Note B 15.1 Perform Initial Radiological &

Plant Status Surveys 15.2 install Remote T.V. Monitor System 15.3 Install Containment Utility Panel s

16. Perform Manual Decontamination of Operating Note C Floor Elevation 701' Floor, Walls, & Dome 16.1 Scabble Concrete Floors & Walls 16.2 Vacuum Concrete Floors & Walls 16.3 Paint Scabbled Surfaces with Strippable Coatings 16.4 Decontaminate Containment Dome with High Pressure Water Hose 16.5 Paint Dome with Strippable Paint 16.6 Install Temporary Shielding 16.7 Decontaminate & Repair Polar Crane $ 250,000 and Fuel Service Equipment 16.8 Remove Reactor Pit Plug, Decon Reactor Pit
17. Deliver Special Equipment to El. 701' Note B Operating Floor 17.1 Damaged Fuel and Core Rubble Storage Racks 17.2 Shielding, Plastic, Small Tools, Misc. Equipment 17.3 Damaged Fuel and Core Rubble Canisters FORM 8NES 205 2/B0

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11 NUCLEAR ENERGY SERVICES GE A16 OF A21 TABLE A-3 (Continued)

Major Activities Cost ($)

17.te Reactor Water Clean-Up System 17.5 Underwater Remote T.V. Camera Equipment 17.6 Internals Segmentation Equipment 17.7 Contamination Control Envelope for Internals Segmentation 17.8 Core Rubble Containers 17.9 Decontamination Materials 17.10 Damaged Fuel Removal Tools & Equipment

18. Install Damaged Fuel Racks Note B
19. Remove Reactor Vessel Head Note B 19.1 Unbolt Head 19.2 Rig & Remove Head 19.3 Wrap in Plastic, Laydown & Shield
20. Inspect Core Note B 20.1 Install Closed Circuit T.V. Camera 20.2 Inspect Core
21. Install Reactor Water Clean-Up System Note B
22. Prepare for Segmentation of the Core Spray Bundle Note B 22.1 Install Segment Liners in Reactor Pit 22.2 Install Torch, Manipulators, Cameras, Clamps and Miscellaneous Equipment 22.3 Install Contamination Control Envelope FORM # NES 205 2/80

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DOCUMENT NO. 81A1087

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11 A 80wr 09 -

E OF NUCLEAR ENERGY SERVCES TABLE A-3 (Continued)

Major Activities Cost ($)

23. Segment Core Spray Bundle Note B 23.1 Rig & Lift Bundle from Core 23.2 Segment Bundle, Load Segments in Liners
24. Conduct Training & Practice on Reactor Note B Vessel Mock-Up for Defueling
25. Analyze Core, Reactor Coolant & Crud in Note B Accordance with 10 CFR 61,49 CFR & NRC Requests 25.1 Sample Coolant 25.2 Take Sample Coupons of RV Internals l 25.3 Take Debris Samples 25.4 Take Crud Scraping Samples
26. Remove Damaged Fuel Note B 26.1 Install Damaged Fuel Containers 26.2 Remove Assemblies & Install in Containers i

26.3 Transfer Damaged Fuel to Fuel Pool &

Store in Damaged Fuel Racks

27. Inspect Core & Perform Debris Removal Note B 27.1 Perform Inspections 27.2 Install Underwater Hydraulic Vacuum System & Collection Canisters 27.3 Vacuum Rubble from Internals into Rubble containers l 27.4 Install Rubble Canisters into Transport Containers l

FORM # NES 205 2/80

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A13 E OF NUCLEAR ENERGY SERVICES TABLE A-3 (Continued)

Major Activities Cost ($)

27.5 Install Long Reach Suction Hose on Reactor Water Clean-Up System. Vacuum internals to Remove Fines & Small Rubble

28. Prepare for Underwater Segmentation of Internals Note B 28.1 Install Steam Separator Storage Retainer in Reactor 28.2 Remove Steam Separators and Store on Top of Core 28.3 Install Underwater Torch Manipulator
29. Segment Internals Note B 29.1 Segment Steam Separator Plate Above Recirculation Nozzles, Remove Segments 29.2 Segment Steam Separator Support Plates Above Recirculation Nozzles 29.3 Cut Plenum Separator Plate, Inner Thermal Shield Support Ring and Core Support Skirt Support Ring above Inlet Nozzles. Remove Segments.

Install Recirculation Nozzle Plugs Note B

( 30.

30.1 Open Contamination Control Envelope, Remove Cutting Tools 30.2 Install Nozzle Plugs 30.3 Drain Containment

31. Drain Containment Note B 31.1 Process Containment Water & Release t

t FORM # NES 205 2/80

IA1087 DOCUMENT NO.

'"" A19 IIH O' A21 NUCLEAR ENERGY SERVICES TABLE A-3 (Continued)

Major Activities Cost ($)

32. Decon Containment Below El. 701' Note B 32.1 High Pressure Water Wash 32.2 Scabble Concrete 32.3 Vacuum Concrete 32.4 Paint Surfaces with Strippable Coating
33. Decontaminate Recirculation Pump Cubicles Note C 33.1 Remove Recirculation Pump Access Hatches 33.2 Install Remote Water Blasting Equipment 33.3 Manually Decontaminate Recirculation Pump Cubicles
34. Decontaminate Main Air Lock Note C 34.1 Decontaminate Exposed Surfaces 34.2 Open Air Lock & Decontaminate Sealing Surfaces as Necessary

' 34.3 Refurbish Air Lock

35. Turn Over Plant for Decommissioning Note B Undistributed Costs Utility Administrative and Operating Staff (Activities 12-35) $29,062,400 Engineering Support contractor (Activities 12-35) $17,006,400 l

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81A1087 DOCUMENT NO.

dNW 11 NUCLEAR ENERGY SERVICES MGE A20 OF A21 TABLE A-3 (Continued)

Major Activities Cost ($)

III. GENERAL UNDISTRIBUTED COSTS Supplies; Health Physics and Miscellaneous $ 6,290,700 Insurance $ 3,350,000 Heavy Equipment Rental $ 1,000,800 Lab Fees $ 100,000 Consulting $ 3,350,000 Energy $ 2,114,000 Recovery Waste Disposal $ 6,050,200 License Fees $ 586,300 Small Tools and Miscellaneous Supplies $ 419,400-Rigging, Handling Equipment $ 132,700 Environmental Surveillance $ 424,400 Laundry Services $ 1,377,200 Sub-Total $113,950,350 25% Contingency $ 28,487,588

{ Total Plant Structures Systems $142,437,950 and Components Cost FORM # NES 205 2/80

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81 A1087 DOCUMENT NO.

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A21 A21 PAGE OF NUCLEAR ENERGY SERVCES TABLE A-3 (Continued)

NOTES A- Work is performed by plant utility staff. Costs are included in Phase I utility staff costs.

B- Work is performed by augmented plant utility staff. Costs are included in Phase II utility staff costs.

C- Work is performed by augmented plant decontamination staff. Costs are included in Phase II utility staff costs and the adjustment to utility operations staff due to exposure limits of 10 CFR 20.

FORM 8 NES 205 2/80

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