ML21102A386

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Cutting Tools 2, Circumferential Hydraulically Operated Cutting Equipment (Chorce), Zion Rvis Project Technical Specification (C077-2000), Rev. 2
ML21102A386
Person / Time
Site: Zion  File:ZionSolutions icon.png
Issue date: 06/03/2011
From:
Siempelkamp Nuclear Services
To:
Office of Nuclear Material Safety and Safeguards
Shared Package
ML21103A229 List:
References
C-077, ZS-2021-0010
Download: ML21102A386 (21)


Text

Siempelkamp Nuclear Services, Inc.

Purchase Order Number: CO 17 C- I \

  • 00~ Quality Characteristics: _ ___,,B'--------- - -

Specification

Title:

Circumferential Hydraulically Operated Cutting Equipment (CHORCE)

Project Name: Zion RVIS Project Number:.---"C=07-'-'7_ _ __ _ _ __

Approved By:

Preparer: Date:~~/

Checker: Date: 6/3/;xJ~/f Date:~//

ESH&QA Manager: Date: G /3/ie>I/

Project Manager:

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Siempelkamp Nuclear Services Rev. 2 Zion RV/S Project 6/3/2011 Technical Specification (C077-2000) Page 2 of 21 Table of Contents 1.0 General Information ........................................................................................................................................ 4 1.1 Project Description .......................................................................................................................................... 4 1.2 Equipment Description ......................................................................................................................... .......... . 5 1.3 Operating Environment ................................................................................................................................... 7 1.4 Operability Requirements ............................................ .............. ......................... ................................. ........... 7 1.5 Remote Operations Requirements ............................................................. ....................... .. ............................. 7 1.6 Documentation Requirements ............................................... .......................................................................... 8 1.7 Environmental and Safety Requirements ............................................................ ............................................ 8 1.8 Documents included by reference .. ................ ........................................... ....................... ........ ....................... 8 1.9 Intellectual Property Rights ........................................................................................................................... 12 2.0 Technical Requirements ................................................................................................................................ 12

2. 1 Scope of Work .......................................................................................................................................... ..... 12 2.2 Functional Specifications ............................................... ............................................................................... 14 2.3 Surface Preparation, Painting and Coating .. ......................................................................... ......................... 14 2.4 Welding and Repair Welding ......... ................................................................................................................ 14 2.5 Special Tools ............................................................................................................................................ ..... 14 2.6 Spare parts .................................................................................. ................................................................... 14 3.0 Inspection and Testing ....... ...................................................................... .............................. ........................ 15 3.1 Notification and Hold Points ............................................ ............................................................................. 15 3.2 Component Operability (Runoff) and Integrated Mock-up Testing ............................... ............................... 15 4.0 Schedule of Deliverables ................................................................................ ... ............................................ 15 5.0 Terms and Conditions ................................................................................................................................... 16

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I Siempelkamp Nuclear Services Rev. 2 Zion RV/S Project 6/3/2011 Technical Specification (C0ll-2000) Page 3 of 21 Table of Figures Figure 1 CHORCE Cut Locations ................................................................................................................................. 4 Figure 2 - Previous CHORCE Applications .................................................................................................................. 5

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Nuclear Services

I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 4 of 21 1.0 General Infonnation Siempelkamp Nuclear Services, Inc. (SNS) has recently received a contract from ZionSolutions (ZS) to perform the segmentation and packaging of both Reactor Vessels (RV) at Zion Nuclear Power Station (ZNPS) located 45 miles North of Chicago, Illinois on the western shore of Lake Michigan. The ZNPS is a two (2) unit Pressurized Water Reactor (PWR) facility that has been shut down for approximately fourteen (14) years. All the reactor fuel has been removed from the reactor building (RB) to the fuel storage building and the fuel transfer route is now closed. The ZNPS is now licensed by ZS who has the responsibility for the ZNPS Decommissioning Fund in support of decommissioning the ZNPS by 2022.

During operation, parts of the RV and its RV Internal (RVl) components became irradiated and require segmentation by remote cutting; with the segmented components then loaded into waste containers. Due to the levels of radioactivity in the RV and RV!, this cutting is to be performed remotely under water. The RVI to be disposed of, from each unit, consist of the upper and lower internals assemblies.

1.1 Project Description The conceptual approach developed for the Zion RVI segmentation takes advantage of experience obtained on several reactor decommissioning projects. These projects include but are not limited to, Big Rock Point, Millstone, Rancho Seco, Parr and the Fenni Reactors. Each of these projects included the segmentation of activated 15*

components of varying complexities - -fl-- - - - - - - - - - -- - - CHORCE- 00 1 using primarily mechanical segmentation techniques.

What follows below is SNS' preferred approach to segment and package the RV I's at ZNPS using the Circumferential Hydraulically Operated Cutting Equipment (CHORCE) as 1r--i * * * * * * * ....... - 134~

- - CHORCE-003 defined in Section 1.2 below. SNS 1;;; **

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invites innovative and alternate approaches to support this work. Please :z ...... . ..... **=

note that while encouraging such =...... .

innovation the Vendor must understand ---1~=,...J.-.',_**l!-*-* .- 1--

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CHORCE-004 that the following approach is the basis of the successful submission that ~ ...... . ******* I::,

attracted the award of the Contract to SNS therefore should an alternate Q ...*.** ....... b;;

approach be preferred the Vendor must - l,lll--l--~ ----lf--- - - - ~~l-ll-+l-- - - CHO~~:~oos support SNS with soliciting ZS' C: . . . . . . . . . . . . . . . . . . . . ...... i::

agreement to such change.

Cut 10 OD Ele,,.

00 1 147 50 152 95 15 I. I.I Lower Internals 002 148.77 151 81 C 003f C8 147.62 152.32 134 Segments of the core barrel and thermal 003(TS) 152.00 163 68 134 OOfCB' 147.62 152 32 199 shield will be removed using the 004/JS\ 158 0< 163 6 8 199 CHORCE in elevations suitable for OOS(CB 147.68 152 Ja 2 64 005fTSl 15.3.00 163 6 ~ 2 64 further volume reduction. The CHORCE w ill be used to produce five (5) right cylindrical elements from the core barrel and two (2) right cylindrical Figure 1 CHORCE Cut Locations elements from the thermal shield. These

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Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 5 of 21 elements will be further reduced to segments suitable for packaging by a Volume Reduction Station (VRS) as specified elsewhere.

1.1.1.1. Upper Core Barrel The geometry of the Upper Core Barrel dictates its removal in 2 separate rings. The upper reinforced flange and the region above the fuel that included the reinforced outlet nozzles. The cuts performed to isolate these two bodies (CHORCE-001 and CHORCE-002) will be performed prior to removal of the baffle plates and baffle former plates. The clearance between the top of the baffie plates and the CHORCE-002 cut line is 17.6 inches.

1.1.1.2. Core Barrel and Thermal Shield Prior to execution of the next cut (CHORCE-003), the baffie plates and baffle formers will be removed by equipment specified elsewhere.

The Thermal Shield is supported via a combination of blocks and pins adjoining the Core Barrel to the Thermal Shield. Therefore, the Core Barrel cannot be removed without removing the combined sections of the two combined cylindrical sections together. CHORCE-003 will be performed just below the blocks and pins resulting in a combined body approximately 26 inches in height. Cutting depth must account for complete penetration through both the Core Barrel and Thermal Shield including localized additional depth accounting for the "Bumper Bars" welded to the exterior of the Thermal Shield.

Two (2) additional cuts (CHORCE-004 and CHORCE-005) are to be performed producing 65 inch tall right cylindrical bodies to be further volume reduced by the VRS specified elsewhere. CHORCE-005 must be performed 21.8 inch clearance above the top surface of the Lower Grid.

1.2 Equipment Description The CHORCE concept includes four (4) primary operating elements. A stationary frame used to provide the platform from which to deliver and deploy the cutter, a rotating table to position the cutter about the polar axis, a plunging s led used to control the depth of the cutter and a removable saw arbor and motor assembly.

Previous applications have included multi pass and single pass cutting as well as plunge cutting. The Zion approach may include a combination of any of these. However, the preferred approach is plunge cutting considering the depth of cut that needs to be achieved.

Figure 2 - Previous CHORCE Applications

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 6 of 21 1.2.1. Stationary Frame The CHORCE frame shall be designed to continuously support the CHORCE in the cutting position without load dependency from rigging above for extended periods of time (overnight from shift to shift) without operation of the supporting Hydraulic Power Unit.

The Frame shall include a maintenance stand which secures and elevates the tool no less that 18 inches above the floor to facilitate maintenance and complete operational and run-up testing prior to submersion into the filled Refueling Pool (Pool).

The frame must be convertible to account for the ability to ship to the jobsite with minimal disassembly.

Hydraulic, mechanical and structural members must be evaluated for buckling under full static and operational loads. Engineering evaluation must be submitted at scheduled design review meetings.

The frame shall incorporate mechanics to center the frame as close as practical to the center of the cylinder being cut.

Previous generations incorporated custom built circular "linear" guideways including matched bearings.

Spare and/or replacements are not available unless order with the original set. These components must be provided with one (I) replacement rail segment and two (2) bearings.

1.2.2. Rotating table The rotating table shall be designed for continuous revolution without concern relative to twisted hydraulic or electrical elements.

Rotational speed shall be adjustable to a degree suitable for the type of cutting chosen and shall be hydraulically independent from the dynamics produced by other hydraulic elements within the system.

Rotational control shall be sufficiently designed to resist reaction forces produced by the saw blade. This may be accomplished by properly sizing the rotational elements and/or pinning the table in position to the stationary frame while the saw blade is in contact with the work piece.

1.2.3. Plunge Sled The plunge sled shall control the depth of cut of the saw blade. This may include adjustments of several thousandths of an inch or a controlled complete plunge through the Core Barrel and Thermal Shield.

1.2.4. Saw Arbor and Motor Assembly It can be assured that during the execution of the prescribed cuts, the saw blade will require replacement.

In order to ensure that time invested in the ongoing cut is preserved; the saw blade must be replaced without interrupting the position of the CHORCE.

To this end, the blade must be able to be removed and replaced remotely or the CHORCE must be fitted with an assembly that ensures the blade is retuned to a repeatable position to complete the current cut.

Design of the CHORCE shall include any special tools required to execute saw blade replacement.

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 7 of 21 l.2.5. Hydraulic Power and Control Unit (HCU)

Vendor will provide a Hydraulic Power Unit with the following characteristics to be used to provide the hydraulic power for the CHORCE and BMT (Ref. C077-3000).

38GPM 21 GPM Vane Unit 17.9 GPM P/C Piston Pump w/Load Sense 40 HP Electric Motor 80 Gallon Reservoir (2) Suction Strainers (2) Pressure Gauges with Shutoff Valves Return Filter Assembly with Visual Clog Indicator Air I Oil Heat Exchanger Level/ Temperature Switch Temperature Transducer Electrical Control Panel 40 HP Motor 1/2 HP Starter Support Controls Forklift and Crane Lifting Provisions An independent Hydraulic Control Unit (HCU) shall be provided to utilize the hydraulic source and provide the local controls to facilitate the operation of the CHORCE.

l.3 Operating Environment Segmentation of the RVI components will be performed within the filled Pool. The overall Pool dimensions for the shallow area are approximately 54' long by 20' wide by 24' deep that includes the area above the RV and the area designated as the VI Lay-down Area. The deep end of the Pool extends an additional 17' and is 34' deep and is referred to as the Lower Internals Laydown Area.

The CHORCE will be operated within the Lower Internals while positioned within the deep end of the Pool.

1.4 Operability Requirements Unless driven by restrictions relative to the purchase of catalog items, all fasteners and fittings shall be of the English convention. Those joints not required to be disassembled for shipment shall be joined using a thread locking agent (e.g. Loctite)

NOTE: Vendors shall take precautions to ensure that no counterfeit components or fasteners are incorporated into the work.

Video monitoring systems will be provided by SNS for monitoring and positioning purposes. Any device dependent camera systems (i.e. drive-by-camera) are to be provided by the vendor.

1.5 Remote Operations Requirements Controls shall be designed for remote operation that allows operators to withdraw to low dose areas during cutting operations. Operators will be wearing multiple layers of personal protective equipment. Controls must be configured with large graduations, devices and displays. They must allow personnel wearing full face respirators and gloves to both read and operate them. '

Nuclear Services

I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 8 of 21 Significant length of control cables and hoses will be required (not less than 75'). Tool design must include for the continued tending of these cords including bundling and protection from chafing and cuts. Include labels or markings on each end of cables and hoses to aid in assembly as well as Tool trouble shooting.

Cables and hoses must be sized to maintain voltage and/or pressure drops within acceptable levels.

1.6 Documentation Requirements An Operation Manual shall be provided that includes a Bill-of-Materials, ballooned subassembly drawings, component drawings (fabricated items), electrical drawings, hydraulic drawings and a description of operation for each piece of equipment. Drawings shall have sufficient detail to allow venders to fabricate the components and assemblies without further direction.

Engineering drawings developed in support of this scope of work shall use a numbering sequence prefix using C077-2XXX. A drawing log shall be maintained indicating the current revision level for each drawing produced. This log shall be provided upon request with a final copy included upon submission of the completed Operation Manual.

For commercially procured items, sufficient information must be provided to enable procurement of correct replacement items.

Computer model of the equipment shall be provided at each design review meeting, concurrent with delivery and prior to acceptance of the work. All model files shall be submitted in the native Solidworks file format including part, assembly and drawing files.

Electronic and hard copies of all computer programs, including software capable of editing PLC Commands, and PLC ladder diagrams applicable to the equipment shall be provided.

Documentation of all tests, including hydrostatic tests, shall be provided to SNS.

1.7 Environmental and Safety Requirements The Vendor shall provide a secondary containment for any Vendor supplied equipment that contains potential environmental hazards. This includes hydraulic power units even if non-combustible hydraulic fluids are used. The secondary containment shall ensure that no spills occur to the environment and shall be subject to inspection and approval by Project Manager, prior to use.

No chrome, lead or other hazardous materials shall be incorporated into the design without written approval from the SNS Engineering Manager.

1.8 Documents included by reference Zion Drawinci Number Description Baffle and Former Assembly Drawin~s 686J261 173-15-000-160-PWR BARREL & BAFFLE ASS'Y(SEC-1) 686J261 2 173-15-000-160-PWR BARREL & BAFFLE ASS'Y(SEC-2) 686J261 3 173-15-000-160-PWR BARREL & BAFFLE ASS'Y(SEC-3) 541F167 4 173-15-193-160 PWR BAFFLE PLATE 541F168 3 173-15-193-160 PWR BAFFLE PLATE 541F169 6 173-15-193-160 PWR BAFFLE PLATE 686J117 173-15-193-000 PWR FORMERS(SEC-1) 686J117 2 173-15-193-000 PWR FORMERS(SEC-2)

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 9 of 21 686J123 173-00-000-160.50 PWR BAFFLE & FORMER ASS'Y(SEC-1) 686J123 2 173-00-000-160.50 PWR BAFFLE & FORMER ASS'Y(SEC-2) 8820805 3COM BAFFLE ANGLE 684J805 1 3 FORMER SEC 2 684J805 2 3 FORMER SEC 1 684J806 1 3 FORMER SEC 1 684J806 2 3 FORMER SEC 2 684J807 1 3 FORMER SEC 1 684J807 2 3 FORMER SEC 2 684J808 1 3 FORMER SEC 1 684J808 2 3 FORMER SEC 2 684J705 1 3 FORMERS SEC 1 684J705 2 3 FORMERS SEC 2 684J707 1 6 BAFFLE & FORMER ASS'Y SEC 1 684J707 2 6 BAFFLE & FORMER ASS'Y SEC 2 541F166 173-15-193-160 PWR BAFFLE PLATES General Assembly Drawings 686J374 CWE REACTOR GENERAL ASS'Y(SEC-1) 686J374 2 CWE REACTOR GENERAL ASS'Y(SEC-2) 686J374 3 CWE REACTOR GENERAL ASS'Y(SEC-3) 686J374 4 CWE REACTOR GENERAL ASS'Y(SEC-4) 686J374 5 CWE REACTOR GENERAL ASS'Y(SEC-5) 686J374 6 CWE REACTOR GENERAL ASS'Y(SEC-6) 686J374 7 CWE REACTOR GENERAL ASS'Y(SEC-7) 701J560 1 COM - REACTOR GENERAL ASSY SEC 1 701J560 2 COM - REACTOR GENERAL ASSY SEC 2 701J560 4 COM - REACTOR GENERAL ASSY SEC 4 701 J560 5 COM - REACTOR GENERAL ASSY SEC 5 701J560 6 COM - REACTOR GENERAL ASSY SEC 6 701J560 7 COM - REACTOR GENERAL ASSY SEC 7 5656080 CWE (AS BUilT 4 LOOP) REACTOR INTERNALS ON-SITE AS-BUILT 5656080 1 2 CWE REACTOR (INTERNALS) AS BUilT DRAWINGS FIGS 1 & 2 5656080 10 2 CWE (AS BUilT 4 LOOP) CORE BARREL BAFFLE ASS'Y AND FINAL FIT-UP 5656080 11 2 CWE (AS BUilT 4 LOOP) CORE BARREL BAFFLE ASS'Y AND FINAL FIT-UP 5656080 12 2 CWE (AS BUilT 4 LOOP) CORE BARREL BAFFLE ASS'Y AND FINAL FIT-UP 5656080 3 2 CWE REACTOR (INTERNALS) AS BUilT DRAWING FIGS 5 & 6 5656080 4 2 CWE REACTOR (INTERNALS) AS BUilT DRAWINGS FIGS 7 & 8 5656080 5 2 CWE REACTOR (INTERNALS) AS BUilT DRAWINGS FIGS 9 & 10 5656080 6 2 CWE REACTOR (INTERNALS) AS BUILT DRAWING FIGS 11 & 12 5656080 7 2 CWE REACTOR (INTERNALS) AS BUILT DRAWING FIGS 13 & 14 5656080 8 2 CWE REACTOR AS BUilT DRAWING FIG 15 5656080_9_2 CWE REACTOR (INTERNALS) AS BUILT DRAWINGS FIG 16 & 17 1080476 12 3 COM(AS BUilT 4 LOOP) REACTOR INTERNALS FINAL ASS'Y.

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C0ll-2000) Page 10 of 21 THERMAL SHIELD/CORE BARREL/SHT-12) 1080476 13 3 COM(AS BUilT 4 LOOP) REACTOR INTERNALS FINAL ASS'Y.

THERMAL SHIELD/CORE BARREL/SHT-13) 1080476 14 3 COM(AS BUilT 4 LOOP) REACTOR INTERNALS FINAL ASS'Y.

THERMAL SHIELD/CORE BARREL/SHT-14) 1080476 15 3 COM(AS BUILT 4 LOOP) REACTOR INTERNALS ON-SITE AS BUILT/SHT-15) 1080476 1 3 COM(AS BUILT 4 LOOP) REACTOR INTERNALS LOWER CORE BARREUSHT-1l 1080476 2 3 COM(AS BUilT 4 LOOP) REACTOR INTERNALS THERMAL SHIELD/SHT-2) 1080476 3 3 COM(AS BUilT 4 LOOP) REACTOR INTERNALS UPPER CORE BARREUSHT-3l 1080476 4 3 COM/AS BUILT 4 LOOP) REACTOR INTERNALS CORE BARREL WELDMENT/SHT-4) 1080476 5 3 COM(AS BUilT 4 LOOP) REACTOR INTERNALS UPPER SUPORT ASS'Y(SHT-5) 1080476 6 3 COM/AS BUilT 4 LOOP) REACTOR INTERNALS UPPER INTERNALS SUB-ASS'YISHT-6) 1080476 7 3 COM(AS BUilT 4 LOOP) CORE BARREL BAFFLE ASS'Y & FINAL FIT-UP/SHT-7\

1080476 8 3 COM(AS BUilT 4 LOOP) CORE BARREL BAFFLE ASS'Y & FINAL FIT-UPISHT-8) 1080476 9 3 COM(AS BUilT 4 LOOP) CORE BARREL BAFFLE ASS'Y & FINAL FIT-UP/SHT-9\

General Layout DrawinQs 701J691 1 REFUELING ARRGT - ELEVATION SEC 1 701J691 2 REFUELING ARRGT- ELEVATION SEC 2 701 J691 3 REFUELING ARRGT - ELEVATION SEC 3 701J692 1 REFUELING ARRGT - PLAN SEC 1 701J692 2 REFUELING ARRGT - PLAN SEC 2 701J692 3 REFUELING ARRGT - PLAN SEC 3 Lower Core Support Drawinas 685J224 1 173-15-193-000 PWR CORE SUPPORT SEC 1 685J224 1a 173-15-193-000 PWR CORE SUPPORT SEC 1 685J224 2 173-15-193-000 PWR CORE SUPPORT SEC 2 685J224 2a 173-15-193-000 PWR CORE SUPPORT SEC 2 685J224 3 173-15-193-000 PWR CORE SUPPORT SEC 3 685J224 3a 173-15-193-000 PWR CORE SUPPORT SEC 3 685J224 4 173-15-193-000 PWR CORE SUPPORT SEC 4 685J224 4a 173-15-193-000 PWR CORE SUPPORT SEC 4 8830189 2COM 173-00-000-000 PWR LOWER RADIAL SUPPORT KEY CUSTOMIZING 686J268 173-15-193-160 PWR BOTTOM INSTRUMENTATION PACKAGE &

SECONDARY CORE SUPPORT ASS'Y/SEC-1) 686J268 2 173-15-193-160 PWR BOTTOM INSTRUMENTATION PACKAGE &

SECONDARY CORE SUPPORT ASS'Y/SEC-2) 686J268 3 173-15-193-160 PWR BOTTOM INSTRUMENTATION PACKAGE &

SECONDARY CORE SUPPORT ASS'Y(SEC-3) 686J268 4 173-15-193-160 PWR BOTTOM INSTRUMENTATION PACKAGE &

SECONDARY CORE SUPPORT ASS'Y/SEC-4) 542F1 15 ASSEMBLY - SECONDARY CORE SUPPORT 8820825 2COM BASE PLATE - SECONDARY CORE SUPPORT 8820826 2 ENERGY ABSORBER SECONDARY CORE SUPPORT

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 11 of 21 8820826 2COM ENERGY ABSORBER SECONDARY CORE SUPPORT 8820827 3COM GUIDE POST - SECONDARY CORE SUPPORT Lower Internals Drawings 686J264 173-15-193-160 PWR CORE BARREL ASS'Y{SEC-1) 686J264 2 173-15-193-160 PWR CORE BARREL ASS'Y{SEC-2) 686J264 3 173-15-193-160 PWR CORE BARREL ASS'Y{SEC-3) 686J264 4 173-15-193-1 60 PWR CORE BARREL ASS'Y(SEC-4) 686J264 5 173-15-193-160 PWR CORE BARREL ASS'Y{SEC-5) 686J264 6 173-15-193-160 PWR CORE BARREL ASS'Y(SEC-6) 686J264 7 173-15-193-160 PWR CORE BARREL ASS'Y{SEC-7\

647J081 1 173-00-000-160 PWR CORE BARREL - LOWER /SEC-1 )

647J081 2 173-00-000-160 PWR CORE BARREL - LOWER {SEC-2\

647J081 3 173-00-000-160 PWR CORE BARREL - LOWER /SEC-3\

583F276 173-00-00-000-PWR LOWER CORE PLATE & GUIDE PIN ASSEMBLY 88301 96 5COM GUIDE PIN FUEL ASSEMBLY /LOWER CORE PLATE) 8820945 2COM 173-1193-000 PWR MANWAY COVER 685J574 1 173-15-193-000 PWR CORE PLATE - LOWER SEC 1 685J574 1a 173-15-193-000 PWR CORE PLATE - LOWER SEC 1 685J574 2 173-15-193-000 PWR CORE PLATE - LOWER SEC 2 685J574 2a 173-15-193-000 PWR CORE PLATE - LOWER SEC 2 685J574 3 173-15-193-000 PWR CORE PLATE - LOWER SEC 3 685J574 3a 173-15-193-000 PWR CORE PLATE - LOWER SEC 3 541F102 2 173-15-193-000 PWR FLOW DISTRIBUTION PLATE 5008465 3 LOWER CORE PLATE DOWEL PIN 4998452 1 CORE BARREL KEY 4998456 1 DOWEL PIN 675C180 0 1 STUD - SECONDARY CORE SUPPORT 617F593 0 1 CORE SUPPORT COLUMN ASS'Y 617F593 0 2 CORE SUPPORT COLUMN ASS'Y 617F595 0 4 UPPER END- OFFSET- INSTRUMENTATION GUIDE TUBE 618F155 0 2 173-000-00-000 PWR LOWER CORE PLAT AND GUIDE PIN ASS'Y 686J028 1 5 173-00--000-160 PWR CORE BARREL WELDMENT SEC 1 686J028 2 4 173-00--000-160 PWR CORE BARREL WELDMENT SEC 2 686J028 3 5 173-00--000-1 60 PWR CORE BARREL WELDMENT SEC 3 686J028 4 5 173-00--000-160 PWR CORE BARREL WELDMENT SEC 4 647J080 1 15 173-00-00-W DWA CORE BAREL - UPPER SEC 1 647J080 2 15 173-00-00-W DWA CORE BAREL - UPPER SEC 2 647J080 3 15 173-00-00-W DWA CORE BAREL - UPPER SEC 3 647J080_4 15 173-00-00-W DWA CORE BAREL- UPPER SEC 4 647J080 1 17 173-00-000-60 PWR CORE BARREL - UPPER SEC 1 647J080 2 17 173-00-000-60 PWR CORE BARREL - UPPER SEC 2 647J080 4 17 173-00-000-60 PWR CORE BARREL - UPPER SEC 4 Thermal Shield Drawings

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 12 of 21

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684J709 1 19 THERMAL SHIELD SEC 1 684J709 2 19 TH ERMAL SHIELD SEC 2 684J709 3 19 THERMAL SHIELD SEC 2 883D044 4COM INSERT* THERMAL SHIELD 686J030 1 7 173-00-000-160-PWR THERMAL SHIELD & BARREL FIT-UP SEC 1 686J030 2 7 173-00-000-160-PWR THERMAL SHIELD & BARREL FIT-UP SEC 2 686J030 3 7 173-00-000-160-PWR THERMAL SHIELD & BARREL FIT-UP SEC 3 686J030 4 7 173-00-000-160-PWR THERMAL SHIELD & BARREL FIT-UP SEC 4 686J030 5 7 173-00-000-160-PWR THERMAL SHIELD & BARREL FIT-UP SEC 5 685J341 1 LARGE PRESSURIZED WATER REACTOR IRRADIATION SAMPLE ASSY TYPE II SEC 1 685J341 2 LARGE PRESSURIZED WATER REACTOR IRRADIATION SAMPLE ASSY TYPE II SEC 2 1.9 Intellectual Property Rights Upon contract award, SNS shall solely o.wn all intellectual property rights associated with the concept, product or process, patentable or other-wise furnished or supplied to SNS by Vendor, its subcontractors, or its employees.

2.0 Technical Requirements The purpose of this specification is to establish the procurement requirements for the design, fabrication and testing of segmentation equipment to be deployed by SNS for the segmentation of the RVI associated with the ZNPS. It is understood, that this specification is for the "Design/Build" process. Many of the design parameters will be developed throughout the design process. This specification i<lentifies the performance and controlling parameters that must be incorporated into the design and fabrication of the tooling needed to accomplish the SNS scope of work.

Safety, Minimization of personnel exposure to rad iation, reliability and durability are of the utmost importance to the design of the tooling for this project. SNS encourages innovative and creative thought associated with the development of the conceptual approach presented herein. Vendors must be prepared to defend their recommendations with respect to these parameters.

2.1 Scope of Work One (I) CHORCE will be provided along with its complimentary HCU .

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (COll-2000) Page 13 of 21 2.1.1 Equipment and work to be provided by the Vendor during the design/build process.

Engineering required to further concepts presented herein to final design state required to authorize fabrication. This work shall be demonstrated to SNS via a series of design review meetings to include at a minimum conceptual, 30% complete and final design review meetings in accordance with the Schedule presented in Section 4.0 of this Specification.

An independent HCU for control functions of the CHORCE.

Vendor shall have sole responsibility for design fabrication, functionality, operability and delivery of the equipment required by this specification.

Coordination and expediting of the procurement of specified engineering and fabricated items in accordance with the schedule presented in Section 4.0 of this document.

Provision of documentation as specified in Section 1.6 of this specification.

Component Operability (Run-ofl) Testing. This testing, at the option of the bidder, may either be performed at the Vendor 's facility or SNS' facility.

Technical support and supervision of assembly and Integrated Mock-up Testing Eighty (80) Hours of on-Site Technical Support required during the deployment and operation of the specified equipment at the project site. The Vendor is also to include an addition allocation of forty (40)

Hours of time per Technician for on-Site General Employee and Radiological Worker Training.

2.1.2 Work by SNS Solidworks~ model of the RVI will be provided for use by the Vendor. However, the Vendor remains responsible for verifying all dimensions based upon the reference documents included by reference in Section 1.8 of this Specification.

Test pieces and facilities used for the Integrated Mock-up test. Design of the test pieces will be collaborated with the Vendor prior to execution of the testing.

SNS shall be responsible for the timely review and approval of vendor documents and for overseeing testing at the vendor's facility.

2.1.3 Codes, Standards and Regulations All equipment, controls and tools shall meet the applicable portions of the current versions of the following:

National Electric Code, NFPA-70 Occupational Safety and Health Administration (OSHA), 29 CFR, Part 1910 - Occupational Safety and Health Standards. Exceptions to Subpart 0, "Machinery and Machine Guarding" may be made if approved in writing by the SNS Engineering Manager.

ANSI B31.l Slings ANSUIEEE C2 (NESC)

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 14 of 21 2.2 Functional Specifications 2.2.1 Mechanical Systems Minimal production rate: 28 circumferential in./hr (Based on lnside Diameter).

Estimated Cutter Life: 130 cubic inches material removed Cost (Cutter): approximately$!, 145 Tool must be self-aligning and self-supporting within the following dimensions:

Minimum Component ID: 147.5-inches (ensure equipment clearance)

Maximum Component ID: 158.0-inches Maximum Depth of cut: 8.0-inches 2.2.2 Hydraulic Elements Hydraulic hose assembly installations shall comply with the hydraulic hose routing and plumbing standards per SAE Jl273 for the proper application of hose assemblies.

Hydraulic fluid to be used will be non-combustible and water soluble.

2.2.3 Instrumentation, Electrical and Control Systems All electrical control panels and electrical equipment provided with the Tools, including cables, connectors, motors and instrumentation must comply with all applicable codes and standards, whether referenced above or not, and labeled by UL or another organization currently recognized by OSHA as an Nationally Recognized Testing Laboratory. Note that electrical equipment bearing the European Union "CR" marking, Directive 93/68EEC, is acceptable. All enclosures, control panels and motors shall be no less than IP 54 rating or equivalent per the International Electro-technical Commission (!EC) Standard 60529 for enclosures.

2.3 Surface Preparation, Painting and Coating The minimum acceptable surface preparation for carbon steel components shall be as specified by Steel Structures Painting Council (SSPC) SP-2 "Hand Tool Cleaning" Paint system for carbon steel components shall be as specified by SSPC-PS 1.13, One-Coat Oil Base Slow Drying Maintenance Painting System.

Magnesium phosphate treatment in accordance MIL-DTL-16232 Type M is also acceptable for carbon steel components.

2.4 Welding and Repair Welding Structural steel welds shall conform to AWS DI. I. E70XX electrodes shall be used for "SMAW" type welds, or equivalent material for other approved welding processes.

2.5 Special Tools Special tools required during the assembly and/or operation of the equipment shall be provided by the Vendor.

2.6 Spare Parts At conclusion of design effort, a list of parts suspected of needing to be replaced within the anticipated duration of use shall be provided. These suggestions should include electrical components commonly

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C0ll-2000) Page 15 of 21 replaced during troubleshooting operations such as fuses and relays as well as common mechanical elements such as bearings, hubs and keyway material. The list shall identify the vendor from whom the original components were purchased.

3.0 Inspection and Testing 3.1 Notification and Hold Points Vendors shall comply with Notification and hold points established by SNS during the design review meetings.

Vendor shall provide unrestricted access to its and its subcontractor's facilities for SNS inspection, witness and verification as deemed necessary by SNS.

3.2 Component Operability (Runoff) and Integrated Mock-up Testing Operability/runoff tests will be performed at the Vendor's facility. All equipment including each tool and component shall be tested to demonstrate its ability to perform its design function. The purpose of these tests is to ensure that the equipment functions as designed and the control system responds as designed.

Successful completion of this testing is a requirement for acceptance of the equipment.

Mock-up testing will be performed at the Vendor's facility. The mockup will consist of a demonstration of saw cutting a replica of the components described herein. Successful completion of this testing is a requirement for acceptance of the equipment. The demonstration may be observed by SNS' clients.

4.0 Schedule of Deliverables Vendors shall incorporate the following schedule in their base bid plans, and price.

Equipment Design, Fabrication and Assembly Start Finish Conceptual Design Review (RFP Due Date) 01 / 13/ 1J 30 % Design Review 03/ 10/ 11 Final Design Review 04/21/11 Resolve Design Review Comments 05/20/ 11 Procure Catalog and Hardware Items 05/23/11 07/22/1 1 Fabricate Machined Parts 05/23/11 07/22/11 Assemble and Provide Design Data 09/05/11 10/19/ 11 Draft Operating Procedure 09/05/11 11/ 16/ 11 Assemble and Run-up Test 07/25/11 09/02/11 Mock-up Testing 09/07/11 09/22//11

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C0ll-2000) Page 16 of 21 5.0 Terms and Conditions 5.1 Definitions The following terms shall have the meanings set forth below:

"Owner" shall mean Siempelkamp Nuclear Services, lnc.

"Subcontract" means "Purchase Order" or "PO".

"Subcontractor" means Vendor.

5.2 Ownership Owner shall own all information, including but not limited to data, drawings, designs, software and specifications and all innovations contained therein, to the extent generated or developed under this Subcontract by Subcontractor at Contractor's expense. Contractor and Subcontractor shall have a license to use all information, including but not limited to data, drawings, designs, software and specifications and all innovations contained therein, to the extent generated or developed under this Subcontract by Subcontractor at Contractor's expense. Subcontractor shall deliver all such information to Contractor in accordance with the requirements of the Subcontract Documents, or if there is no specific requirement, promptly upon the earliest of (a) the termination or cancellation of the Subcontract, (b) completion of Subcontractor's Services, or (c) when Contractor so requests. Neither Subcontractor nor any of its lower-tier subcontractors or suppliers or their employees shall refer to Subcontractor's Services in the Subcontract in any advertising materials, presentations or speeches without the written approval of Owner and Contractor.

5.3 Progress and Completion TIME IS OF THE ESSENCE for the performance of all obligations herein. Subcontractor shall begin Subcontractor's Services immediate ly upon verbal or written notice by Contractor, and shall expediently carry out such services, without causing delay, disruption, or interference in the activities of Contractor, other subcontractors, and the Owner's own forces. If, in the opinion of Contractor, Subcontractor falls behind in the progress of Subcontractor's Services, Contractor may, upon forty-eight (48) hours written notice, direct Subcontractor to take such steps as Contractor deems necessary to improve the rate of progress, including requiring Subcontractor to increase the labor force, number of shifts, overtime operations, days of work, amount of plant or other remedies, and to submit for approval a schedule demonstrating the method under which the required rate of progress will be regained, without additional costs to Contractor. Contractor may, upon reasonable notice, require Subcontractor to prosecute in preference to other parts of Subcontractor's Services, such parts of the services as Contractor may require.

If Subcontractor deems this direction to be a change, Subcontractor shall provide notice to Contractor per Section 5.4, "Changes".

5.4 Changes This Subcontract may not be changed or modified except upon the prior written authorization of Contractor. Contractor may, by written Change Notice, make changes in the work covered by this Subcontract. Subcontractor shall comply with such Change Notices. Within ten (10) business days after it has received the C hange Notice, Subcontractor shall (1) sign the Change Notice and return a copy thereof to Contractor or (2) request a modification thereto. Subcontractor's failure to respond to a Change Notice within ten ( 10) business days shall be deemed to signify Subcontractor's acceptance of such Change Notice as if Subcontractor had signed the same without modification. If Subcontractor requests a modification of a Change Notice, Contractor shall have five (5) business days from receipt of such request to accept such modification in writing. If not so accepted, such request shall be deemed to be rejected and the Parties shall attempt to resolve the changed pending agreement on the Change Notice and shall not halt or delay QI/'

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 17 of 21 performance of Subcontractor's Services because of any failure to so agree. In such an event, Subcontractor shall keep accurate, detailed and itemized records of the actual costs incurred as a result of such change and shall report such costs to Contractor in the form and manner prescribed by Contractor. All accepted Change Notices shall be numbered and attached to the Subcontract. At Contractor's request, Subcontractor shall provide Contractor with a cost estimate of the services to be performed under the Change Notice. In the event of noncompliance with the foregoing, Subcontractor shall neither have nor make any claim for a price adjustment. Subcontractor shall, at Contractor's direction, proceed with the change pending resolution of any dispute. The term "Change Notice" as used herein is a written order to Subcontractor, issued and signed by Contractor authorizing a change in Subcontractor's Services and, where appropriate, an adjustment in schedule or Subcontractor's Price. Receipt by Contractor of payment from Owner for changed or extra work ordered or directed by Owner shall be a condition precedent to the right of Subcontractor to receive payment from Contractor for such change. Subcontractor shall promptly notify Contractor in the event that Owner directs Subcontractor to perform changes outside the presence of Contractor.

5.5 Termination for Cause Contractor shall have the right, by written notice to Subcontractor, to terminate the whole or any part of this Subcontract for default: (1) if Subcontractor fails to perform Subcontractor's Services within the time or in the manner provided under this Subcontract, (2) if reasonable grounds for insecurity arise with respect to Subcontractor's performance and Subcontractor fails to furnish adequate assurances within ten ( l 0) days after a written demand by Contractor for such assurance or (3) if Subcontractor becomes insolvent or makes an assignment for the benefit of creditors, commits an act of bankruptcy or files or has filed against it a petition in bankruptcy or reorganization proceedings. In such event, Subcontractor shall promptly comply with the directions contained in such notice and shall, subject to such direction, ( 1) take all necessary action to terminate or suspend Subcontractor's Services as provided in the notice, minimizing costs and liabilities, (2) protect and preserve Subcontractor's Services and deliver all property related to this Subcontract which is in Subcontractor's possession pursuant to Contractor's direction including all electronic design and data files; and (3) continue the performance of such part of the Work, if any, as may not have been terminated or suspended by the notice. In the event Contractor terminates this Subcontract, in whole or in part, for default, Contractor shall be entitled to all rights and remedies provided by law. In addition, Contractor may cure all such defaults and complete Subcontractor's performance by whatever method it deems appropriate. In the event of termination for cause, Contractor shall not be liable to Subcontractor for any amount otherwise due under the Subcontract, and Subcontractor shall pay Contractor, upon demand, for the cost to cure and complete Subcontractor's performance, and all damages incurred by Contractor and others claiming against or through Contractor. If it should be determined that Contractor has improperly terminated this contract for default, such termination shall be deemed a termination for convenience.

5.6 Suspension and Termination for Convenience Contractor may terminate or suspend this Subcontract for its convenience, in whole or in part, at any time by written notice. In such event, Subcontractor shall promptly comply with the directions contained in such notice and shall, subject to such direction, (I) take all necessary action to terminate or suspend Subcontractor's Services as provided in the notice, minimizing costs and liabilities, (2) protect and preserve Subcontractor's Services and deliver all property related to this Subcontract which is in Subcontractor's possession pursuant to Contractor's direction including all electronic design and data files; and (3) continue the performance of such part of the Work, if any, as may not have been terminated or suspended by the notice. In the event of termination or cancellation of this Subcontract by Contractor for convenience, Contractor shall promptly pay Subcontractor for the reasonable cost of all Subcontractor's Services performed through the date of termination or cancellation, and the reasonable cost to remove equipment, debris, waste and personnel from the site and cancel subcontracts and purchase order.

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Nuclear Setvlces

I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 18 of 21 5.7 Proprietary Information Subcontractor shall consider all information furnished by Contractor and not generally known to the public to be confidential and shall not disclose any such information to any other person or use such information itself for any purpose other than performing this Subcontract, unless Subcontractor obtains written petmission from Contractor to do so. This paragraph shall apply to drawings, specifications, or other documents prepared by or on behalf of Subcontractor for Contractor in connection with this Subcontract.

Subcontractor shall not advertise or publish the fact that Contractor has subcontracted with Subcontractor, nor shall any information relating to the Subcontract be disclosed without Contractor's prior written permission. Unless otherwise agreed in writing, no commercial, financial, or technical information disclosed in any manner or at any time by Subcontractor to Contractor shall be deemed secret or confidential and Subcontractor shall have no rights against Contractor with respect thereto except such rights as may exist under patent laws. Subcontractor recognizes that Contractor's employees have no authority to accept any information in confidence.

5.8 Permits, Licenses, and Compliance with Laws Subcontractor warrants that it has and will maintain the legally required contractor licensing. All other permits, licenses, registrations or other governmental approvals which may be required for its (Owners) performance under th is Subcontract shall be obtained by Owner. Subcontractor shall comply with all such permits and with all applicable executive orders and federal, state, municipal and local laws of the location in which the equipment, materials or Product will be produced or services performed as well as all rules, orders, requirements and regulations thereunder, including but not limited to, the Fair Labor Standards Act of 1933, the Occupational Safety and Health Act of 1970, and the Immigration Reform and Control Act of 1986, all as may be amended. Subcontractor shall comply with all applicable laws, codes and standards, including, but not limited to, ANSI, ASME, MEE, ASTM and NEMA. Any and all site rules and policies to be enforced have been provided to Subcontractor prior to the execution of this agreement. While upon the premises of Owner, Subcontractor shall comply with all applicable site rules and policies. Subcontractor shall indemnify and defend Contractor and Owner from all loss, liability, fines and expenses incurred as a result of Subcontractor's failure to comply with the requirements.

5.9 Insurance Subcontractor shall, at its cost and expense, furnish and maintain insurance coverage in the types and amounts of Standard & Reasonable Industry Limits (manufacturing), together with such other insurance as may be required by law. All insurance coverage shall be kept in force and effect at all times during the term of this Order from the date of commencement of Vendor's Services until expiration of the warranty period or such other date as may be established elsewhere in the Order, whichever is the later. All such coverage's shall be written by a company or companies satisfactory to Contractor. Prior to commencing work, Vendor shall provide Siempelkamp with evidence that the required insurance coverage's are in effect.

5.10 Indemnification Subcontractor shall defend, indemnify and hold harmless Contractor and Owner and the officers, agents, employees, successors and assigns of either of them from and against any and all liabilities, damages, costs, losses, claims, demands, actions, penalties, forfeitures, suits and the costs and expenses incident thereto (including cost of defense, settlement reasonable attorney fees) which any or all of them may hereafter incur, become responsible for or pay out arising out of the Work and resulting from the death of or injury to any person or damage to any property, contamination of or adverse effects on the environment, or violation of governmental laws, regulations or orders, to the extent caused by (i) Subcontractor's breach of any term or provision of the Subcontract; or (ii) any negligence or intentionally wrongful act or omission of Subcontractor, its employees or subcontractors in the performance of the Subcontract; or (iii) any violation of applicable laws, ordinances, regulations or orders of governmental or regulatory authorities; or (iv) any release or threat of release from Subcontractor's storage, decontamination, or processing facilities to the

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 19 of 21 environment that gives rise to a claim under the Comprehensive Environmental Response Liability and Compensation Act (CERCLA), the Resource Conservation and Recovery Act (RCRA) or similar state statutes, all as amended or interpreted at the time of the claim(s). The foregoing indemnity obligations of Subcontractor shall not apply to the extent of the negligent or intentionally wrongful acts or omissions of the indemnified person. This indemnification shall be in addition to the warranty and insurance obligations of Subcontractor. This obligation to indemnify shall survive the termination or completion of the Subcontract.

5. 1 1 Warranties Subcontractor warrants to Contractor, their successors and assigns, that all goods and services furnished under this Subcontract shall (1) conform to all Subcontract Documents, including drawings and specifications; manufacturer's instructions and guidelines; applicable laws, regulations, ordinances, and codes; and appropriate industry standards, (2) be new, and (3) be free from defects in material or workmanship and warrants that such goods or services will be fit for such particular purpose. Subcontractor further warrants to Contractor, their successors and assigns, that Subcontractor will promptly correct all defects in goods and services not conforming to the foregoing warranty, without expense to Contractor, when notified of such nonconformity by Contractor or Owner, provided Contractor or Owner elects, at their sole and absolute discretion, to provide Subcontractor with the opportunity to do so. In the event of any failure of Subcontractor to correct defects or to replace nonconforming goods or services promptly, Contractor or Owner (after reasonable notice to Subcontractor) may make such corrections or replace such goods and services and charge Subcontractor for the cost incurred in doing so. Subcontractor recognizes that Contractor's requirements may require immediate repairs or reworking of defective goods without notice to the Subcontractor. In such event, Subcontractor shall reimburse Contractor for the costs incurred.

Subcontractor shall provide Contractor with any and all Manufacture's warranties and product manuals at time of delivery. Such obligations shall in no way limit Subcontractor's warranty obligation hereunder.

5.12 Set Off All Subcontractor claims for money due, or to become due, from Contractor shall be subject to deduction or set off by the Contractor by reason of any counterclaim, credit, or back-charge arising out of this or any other transaction with Subcontractor.

5 .13 Intellectual Property Subcontractor represents and warrants that all goods, materials, equipment, software, devices, items, methods, articles, or services or any part thereof (hereafter referred to as Product) furnished pursuant to this Subcontract and the sale or use thereof do not infringe any third-party intellectual property rights, including but not limited to patent, trade secret, copyright or trademark rights, and that Subcontractor will at Subcontractor's expense, defend, indemnify and hold harmless Contractor and Owner and their customers from and against all claims, demands, actions and liability based on alleged or actual infringement thereof.

At their option, Contractor or Owner may require Subcontractor to (a) deliver non-infringing Products, (b) modify Subcontractor's Product so as to become non-infringing, but is substantially, functionally equivalent, or (c) procure for the right to continue using Subcontractor's infringing Product. Contractor may be represented by and actively participate through its own counsel in any such suit or proceeding if it so desires, and the costs of such representation shall be paid by Subcontractor.

Subcontractor hereby reliquinshishes all rights and claims of ownership and control of all intellectual property developed, embellished, and/or reduced to practice as a part of the work under this subcontract.

5.14 Limitation of Liability Neither Party, nor its suppliers or subcontractors, will be liable to the other Party whether in contract, in tort (including negligence or strict and absolute liability), under any warranty, or otherwise, for any special, indirect, incidental, or consequential loss or damage whatsoever; cost of capital, loss of profits or revenues

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I Siempelkamp Nuclear Services Rev. 2 Zion RVIS Project 6/3/2011 Technical Specification (C077-2000) Page 20 of 21 or claims of customers of either Party, arising out of the acceptance of radioactive material or its performance under this Subcontract. The remedies of the Parties set forth herein are cumulative to all remedies available at law or equity. The provisions of this Article shall apply notwithstanding any other provisions of this Subcontract or any other contract between the Parties. The provisions of this Article, and of other a1ticles of this Subcontract providing for limitation of or protection against liability of the Subcontractor and Contractor, shall apply to the full extent permitted by law, and shall survive either cancellation or termination of this Subcontract or any part thereof.

5.15 Applicable Law This Subcontract shall be governed by the laws of the State of South Carolina (SC), USA, excluding both its (SCs) rules and laws governing choice of laws and the United Nations Convention on Contracts for the

[nternational Sale of Goods. All disputes connected with, arising out of or relating to the subject matter of the Subcontract shall be subject to the procedure described herein, except that the Parties shall not be obligated to follow such procedure with regard to disputes relating to confidentiality obligations, restrictions on use of information or property, ownership of or rights in information, tangible property, or intellectual property, or compliance with laws, standards or site rules. If a dispute arises, a Party shall provide the other Party written notice thereof. During the thirty (30) day period following receipt of such notice, management level representatives of each Party shall meet at a mutually-acceptable time(s) and place(s) as often as they reasonably deem necessary to exchange relevant information and to attempt to resolve the dispute. If the dispute has not been resolved within thirty (30) days after receipt of the notice, or if the Party receiving said notice will not meet within such thirty (30) days, either Party may initiate arbitration of the dispute in accordance with the American Arbitration Association ("AAA") Commercial Arbitration Rules, as may be amended by the AAA, and all findings of fact by the arbitrator shall be conclusive and binding on both parties. The controversy or claim shall be submitted to the AAA through its Columbia, South Carolina office only, and the hearing of such dispute will be held in Columbia, South Carolina, unless the arbitration is consolidated with or joined to arbitration between Contractor and Owner in which event the arbitration shall be held in Illinois. The decision of the arbitrator will be final and binding on all parties to the arbitration and the decision may be filed as a final judgment in any court. Both Parties shall participate in good faith The Parties shall bear their own costs in the aforesaid dispute resolution and arbitration procedures, except that the arbitrator's fee shall be shared equally by the Parties.

Any services being performed or payments unrelated to the subject of arbitration proceedings under the Subcontract shall not be stopped or delayed in any way during arbitration proceedings, except by mutual written consent of the Parties to the Subcontract, which consent shall stipulate whether the time of completion of the project shall be extended.

Should any provision of this Order be determined by a court to be unenforceable, such a determination shall not affect the validity and enforceability of any other section or part hereof.

5.16 Invoicing Subcontractor is to invoice SNS on a milestone basis per the Schedule below:

INVOICE ESTIMATED INVOICE DATE Phase I 25% upon receipt of Order January 28, 20 11 Phase I[ 20% upon final design review April 21, 20 11 Phase III 20% upon procurement of Catalog & May 23, 201 1 Hardware Items Phase IV 20% upon assembly of Frame & Sled July 25, 2011 Phase V 15% upon operability, runoff, and mock-up September 22, 2011 test at Force Mfg's facility in Lake Villa, IL

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I Siempelkamp Nuclear Services Rev. 2 6/3/2011 Zion RVIS Project Technical Specification (C077-2000) Page 21 of 21 5.17 Payment Terms Payment Terms for Subcontractor's fnvoices will be Net, Forty-five (45) Days after receipt of the invoice.

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