Latest revision as of 08:08, 31 October 2019

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NRC000211 - MRP-227, Rev. 1 Presentation Slides, Westinghouse Figures Presented at Public Meeting on March 31, 2015 (Feb. 2015)
	ML15223A630
Person / Time
Site:	Indian Point
Issue date:	02/28/2015
From:	; NRC/OGC
To:	; Atomic Safety and Licensing Board Panel
	SECY RAS
References
	RAS 28143, ASLBP 07-858-03-LR-BD01, 50-247-LR, 50-286-LR
	Download: ML15223A630 (19)
	v • d • e

NRC000211 Submitted: August 10, 2015 2/2015 MRP-227 Revision 1 Updated Westinghouse Figures Westinghouse NSSS Combustion Engineering NSSS 2/2015

Westinghouse NSSS Reactor Internals Component Figures 2

1

2/2015 Overview of Westinghouse NSSS Internals (Figure 1)

Vessel Head Upper Support Plate Upper Support Column Hold Down Spring Control Rod Guide Tube Inlet Nozzle Outlet Nozzle Upper Core Plate Core Barrel Baffle Plate Thermal Shield Lower Core Plate Pressure Vessel Former Plate Lower Support Column Body Bottommounted Instrumentation Lower Core Support Plate 3

Primary 4

2

2/2015 Control Rod Guide Tube Assembly Guide plates (cards) (Figure 2)

Inspection Location Example (Plantspecific configuration dependent) 5

Control Rod Guide Tube Assembly Lower Flange Welds (Figure 3)

Inspection Location Example (Plantspecific configuration dependent) 6

3

2/2015 Core Barrel Assembly Core Barrel Welds (Figure 4)

Upper Flange Weld Upper Axial Weld Upper Girth Weld Middle Axial Weld Lower Girth Weld Core Barrel Lower Support Plate Lower Axial Weld Lower Flange Weld 7

Baffle-Former Assembly Baffle-edge bolts (Figure 5)

Core Barrel Example Baffleedge Bolt Locations Thermal Shield 8

4

2/2015 Baffle-Former Assembly Baffle-former bolts (Figure 6)

Core Barrel Example Baffleformer Bolt Location Thermal Shield 9

Baffle-Former Assembly Assembly (Figure 7) 10

5

2/2015 Alignment and Interfacing Components Internals Hold Down Spring (Figure 8)

Hold down Spring (shown in red) 270o 180o 0o Height 90o 11

Thermal Shield Assembly Thermal Shield Flexures (Figure 9)

Thermal Shield Thermal Shield Weld Example Flexure Weld Example Core Barrel Assembly Example Thermal Shield Flexure Example 12

6

2/2015 Expansion 13

Upper Internals Assembly Upper Core Plate (Figure 10) Control Rod Guide Tube Example Upper Core Support Plate Example Deep Beam Weldment Example Upper Core Plate Example Upper Support Column Example 14

7

2/2015 Lower Internals Assembly Lower Support Forging or Castings (Figure 11)

Core Barrel Lower Core Plate Example Lower Support Forging or Castings Example 15

Core Barrel Assembly Barrel-former Bolts (Figure 12)

Thermal Shield Core Barrel Barrel-former bolts (example shown includes thermal shield) 16

8

2/2015 Lower Support Assembly Lower Support Column Bolts (Figure 13)

Lower Core Plate Core Barrel Lower Support Columns Lower Internals Assembly Lower Support Column Bolts Location Example 17

Lower Support Assembly Lower Support Column Bodies (Cast/Non-cast) (Figure 14)

Head Lower Core Plate Diffuser Plate Core Barrel Sleeve Cylinder Lower Support Column Body Lower Internals Assembly Lower Core Support Plate 18

9

2/2015 Lower Support Assembly Bottom-mounted Instrumentation (BMI) Column Bodies (Figure 15)

Core Barrel Lower Core Support Plate Examples BMI Column Bodies Lower Internals Assembly 19

Combustion Engineering NSSS Reactor Internals Component Figures 20

10

2/2015 Overview of Combustion Engineering Internals (Figure 16)

InCore Instrument Assembly CEA Shroud and Instrument Tube Assembly Fuel Alignment Plate Core Support Barrel Core Support Plate Core Shroud Assembly Core Support Column Core Shroud Ribs/Rings Lower Support Assembly 21

Primary 22

11

2/2015 Core Shroud Assembly (Bolted)

Core shroud bolts (Figure 17)

Core Shroud Bolt Locations Core Shroud Assembly Core Support Barrel Core Shroud Assembly (roll out view) 23

Core Shroud Assembly (Welded)

Assembly and Core shroud plate-former plate weld (Figure 18)

Core Support Barrel Examples of locations of high fluence seams at reentrant corners Core Shroud Assembly 24

12

2/2015 Core Shroud Assembly (Welded)

Shroud plates (Figure 19)

Shroud Plates 25

Core Shroud Assembly (Bolted) Assembly (Figure 20)

Instrument Guide Tubes Control Rod Shroud Core Support Barrel Grid Assembly Upper Flange Control Rod Shroud Core Support Barrel Fuel Bundle Alignment Plate Core Shroud Assembly Core Support Plate Lower Support Structure 26

13

2/2015 Core Support Barrel Assembly - Welds, Upper cylinder (including welds), Upper core barrel flange, Core barrel assembly axial welds, Lower core barrel flange (Figure 21)

Upper Flange Weld (UFW)

Upper Flange Upper Axial Weld (UAW)

Upper Girth Weld (UGW)

Middle Axial Weld (MAW)

Middle Girth Weld (MGW)

Lower Axial Weld (LAW)

Lower Girth Weld (LGW) /

Lower Flange Weld (LFW)

Lower Core Barrel Flange 27

Core Support Barrel Assembly CSB Flexure Weld (CSBFW) (Figure 22)

Lower Girth Weld (LGW)

Flexure Weld (CSBFW) 28

14

2/2015 Lower Support Structure: Core support plate, Core support column welds, Core support beam (Figure 23)

Core Support Barrel Core Support Plate Lower Support Structure Core Support Columns 29

Upper Internals Assembly Fuel alignment plate (Figure 24)

Fuel alignment plate 30

15

2/2015 Control Element Assembly Instrument guide tubes (Figure 25)

Instrument Guide Tubes Guide Tube Supports 31

Lower Support Structure Deep beams (Figure 26)

Deep Beams 32

16

2/2015 Expansion 33

Core Shroud Assembly (Bolted)

Barrel-shroud bolts (Figure 27)

Barrelshroud bolt 34

17

2/2015 Lower Support Structure Lower core support beams (Figure 28)

Lower Core Support Beams 35

Core Shroud Assembly (Bolted)

Core support column bolts (Figure 29)

Bolt Location Example Multiple configurations Columns 36

18

2/2015 Core Shroud Assembly (Welded)

Remaining axial welds, Ribs and rings (Figure 30)

Ribs Rings 37

TogetherShaping the Future of Electricity 38

19

ML15223A630: Difference between revisions

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