ML031990332
| ML031990332 | |
| Person / Time | |
|---|---|
| Site: | Kewaunee, Point Beach  |
| Issue date: | 07/03/2003 |
| From: | Nuclear Management Co |
| To: | NRC/RGN-III |
| References | |
| Download: ML031990332 (40) | |
Text
1 Nuclear Management Companys Reactor Pressure Vessel Head Replacement Project July 2003 United States Nuclear Regulatory Commission Region III
2 Agenda
Project Organization
Project Status
Fabrication
Quality Oversight
Installation
Summary
3 Purpose Communicate to NRC Region III the scope and schedule of the NMC Reactor Pressure Vessel Head Replacement Project.
4 Objectives
Identify required NRC regulatory activities
Establish periodic updates to the NRC
5 Project Organization
6 Organization
Multi-site capital project for NMC
Common fabrication organization
Site specific installation organization
Background
7 Project Organization Mike Wadley Sr. VP Support Programs Ron Kuhn Project Manager Point Beach RVHR Tim Olson Project Manager Kewaunee RVHR Chuck Tomes Fleet Engineering Lead RVHR Steve Forsha Oversight Lead RVHR Project Management Japan Lewis McKenzie Hank Hoelscher Fleet Project Manager Leo Ganser Manager Supplier Assessment John Paul Cowan CNO Mano Nazar Sr VP Dave Jantosik Director Nuclear Oversight Gary Van Middlesworth VP Nuclear Assessment Programs Project Oversight Review Panel Dave Jantosik Mike Wadley Mano Nazar Tom Coutu Site VP Kewaunee Fred Cayia Site VP Point Beach Organization
8 Project Status
9 Contractors
Westinghouse is prime contractor providing new replacement reactor pressure vessel (RPV) heads
Mitsubishi Heavy Industries (MHI), Kobe Japan, subcontracted to design and fabricate RPV heads Project Status
10 Scope
Kewaunee - New RPV head and CRDM
No Head Assembly Upgrade Package (HAUP)
Point Beach - New RPV heads and CRDMs
HAUP
Control Rod Drive Mechanism (CRDM) coil stacks
Thermocouple cables
Rod Position Indicator (RPI) and CRDM cables Project Status
11 Scope (continued)
New heads and CRDMs will be made and fabricated in Japan under Mitsubishi Heavy Industries quality program
HAUP will be fabricated in Pittsburgh under Westinghouses quality program Project Status
12 Details of RPV Head Scope
Single Piece Forging
Electro-Slag Welded Strip cladding
Alloy 600 Prohibited
Use alloy 690 tubing versus alloy 600 tubing
Use alloy 690 weld material versus alloy 600 weld material
Use narrow J-groove weld bevel
One piece L-106A CRDMs (one butt weld on latch mechanism)
Eliminate vent on each CRDM
Eliminate all seal welds
Eliminate spare and part length penetrations
Vent and Reactor Vessel Level Indication System Taps
Core Exit Thermocouple Nozzle Assembly (CETNA)
Project Status
13 Details of Scope (continued)
Plant specific differences
Kewaunee has eliminated plutonium recycle ports and part length penetrations
Kewaunee will have four capped spare penetrations on the new RPV head Project Status
14 Project Schedule - Kewaunee
Reactor Vessel Head Forging Complete
Fabrication CRDM Head Adapter & Housing 12/13/03
Shrink Fitting of the head penetration tubing 12/15/03
Hydro Test 05/01/04
Site Delivery 09/01/04
Outage 09/25/04 Project Status
15 Project Schedule - Point Beach
Reactor Vessel Forging 8/23/03 1/15/04
Fabrication CRDM Head Adapter & Housing 4/10/04 9/25/04
Shrink Fitting of the head penetration tubing 4/15/04 9/30/04
Hydro Test 9/15/04 2/20/05
Site Delivery 2/01/05 7/01/05
Outage 4/02/05 10/08/05 Unit 2 Unit 1 Project Status
16 Fabrication
17 Overall Responsibilities RPV Head and CRDMs
Design Specification - Westinghouse
Material Procurement - Mitsubishi Heavy Industries
Design Review - Westinghouse
Technical and Quality Oversight - NMC Fabrication
18 Overall Responsibilities (continued)
Mitsubishi Heavy Industries
Fabrication
Certified Design Report
Stamping
Preservice Inspection
Packaging and Shipping
Installation - Westinghouse Fabrication
19 Overall Responsibilities (continued)
Head Assembly Upgrade Package
Fabrication-Westinghouse
Design-Westinghouse
Installation-Westinghouse
Technical and Quality Oversight - NMC Fabrication
20 Design Responsibilities
NMC - Scope and Technical Specification
Westinghouse (Original Equipment Manufacturer) - Design Specification
Mitsubishi Heavy Industries
Certified Design Report
ASME NPT Stamp Fabrication
21 Fabrication Status Kewaunee
Long Lead Time Items Delivered
Forging - Japan Steel Works
CRDM Alloy 690 Penetrations - Sumitomo
Design Specifications Issued
CRDM Stainless Steel Pressure Boundary - Hitachi
Fabrication in progress
Cladding
Latch housing & rod travel housing machining
Latch arm machining Fabrication
22 Fabrication Status Point Beach - Unit 2
Long Lead Time Items Ordered
Forging - Japan Steel Works
CRDM Alloy 690 Penetrations - Sumitomo
Design Specifications Issued Fabrication
23 Sub Vendor Fabrication Locations
Mitsubishi Heavy Industries
Futami Plant - Reactor Vessel Head
Kobe Shipyard & Machinery Works - CRDMs Fabrication
24 Sub Vendor Fabrication Locations (continued)
Sub Vendor Facilities
Japan Steel Works - Forging
Sumitomo - CRDM Alloy 690 Penetrations tubing
Hitachi - Stainless Steel CRDM Pressure Boundary Components
Kanaski Steel - Lifting Lugs
Kobe Steel LTD. - Weld Material
Nippon Welding Rod - Alloy 690 Weld Material
25 MHI Japan Steel Works Hitachi Sumitomo Fabrication Kawasaki NIPPON
26 Licensing Requirements
Planned to be done pursuant to 10CFR 50.59
Additional NRC reviews or prior approvals not expected Fabrication
27 Applicable ASME Codes and Standards ASME Boiler and Pressure Vessel Code
Section II,Section III, Section V,Section XI ASME 1998 Edition thru 2000 Addendum
Section IX, Latest Edition Code cases
ASME Code Case 2142-1, Ni-Cr-Fe (UNS N06052), November 25, 1992
ASME Code Case 2143-1, Ni-Cr-Fe (UNS W86152), November 25, 1992 Fabrication
28 Applicable ASME Codes and Standards (continued)
NRC Issued Flaw Evaluation Criteria for Examination of CRDM Tubing and J-groove Welds
US NRC Regulatory Guide 1.28, Rev 3 - Quality Assurance Program Requirements
US NRC Regulatory Guide 1.31, Rev 3 - Control of Ferrite Content in Stainless Steel Metal
US NRC Regulatory Guide 1.43, May 1973 - Control of Stainless Steel Weld Cladding of Low Alloy Steel and Components
US NRC Regulatory Guide 1.50, May 1973 - Control of Preheat Temperature for Welding of Low Alloy Steel Fabrication
29 Non Destructive Testing
Section XI, ASME 1998 Edition thru 2000 Addendum
Section III, ASME 1998 Edition thru 2000 Addendum
Additional NDE Requirements Imposed By NMC
NRC Developed Acceptance Criteria Used for Preservice Examination of Alloy 690 Tubing and J-groove Welds
Capability of Examining the Alloy 690 Tubing and J-groove Welds To Be Verified With NDE & Repair Mockups Fabrication
30 Quality Oversight
31 Quality Oversight
NMC Project Oversight Plan
Establishes the program oversight and responsibilities for the project Supplier qualification Stop Work Authority Inspections Nonconformances Personnel Qualification Reporting
32 Oversight Plan
Establishes an Oversight Review Panel
Purpose to provide an integrated review of the project oversight
Panel consists of:
- Director of Nuclear Oversight
- Senior Vice President of Support Programs
- One additional Vice President
Panel meets biannually or as conditions require Quality Oversight
33 Resident Oversight Personnel
Resident Oversight Personnel for NMC and Westinghouse
Monitor work activities
Verify critical attributes at witness and hold points
Follow-up on corrective actions
Resident inspector is bilingual Japanese national Quality Oversight
34 Communication and Issue Resolution Form (CIRF)
Project Specific Process
Documents and communicates issues found by NMC, Westinghouse and MHI
Reviewed each day in Kobe by NMC, Westinghouse and MHI Project Managers for cause determination, corrective action and resolution.
Quality issues tracked via MHI/W QA Programs.
Other issues tracked via project letter, as needed.
Quality Oversight
35 Installation
36 Installation
Westinghouse/ Mitsubishi Heavy Industries to arrange transportation of the new heads
Replacement RPV heads fit through equipment hatches at Point Beach and Kewaunee - No Integrated Leak Rate Testing required
Both sites will require interference removal
37 Installation Overview (continued)
Westinghouse to supervise old RPV head removal and new RPV head installation
NMC provide tools, craft labor and oversight
Head removal and reinstallation performed per standard outage requirements
38 Installation Overview (continued)
Westinghouse provides the Department of Transportation (DOT) shipping container for old RPV heads and CRDMs
NMC will select a disposal contractor for old RPV heads
39 Summary
40 Summary
Technical/quality oversight is in place
Fabrication of RPV heads is underway
Installation planning is just starting