ML020940504

Attachment to Letter Crystal River Unit 3 - Table for OTSG Post-Inspection Phone Call and Drawings

ML020940504
Person / Time
Site:	Crystal River
Issue date:	04/03/2002
From:	Goshen J NRC/NRR/DLPM/LPD2
To:	Young D Florida Power Corp
References
TAC MB3015
Download: ML020940504 (7)

Text

Tables for Crystal River Unit 3 OTSG Post-Inspection Phone Call

2. For each steam generator, provide a general description of areas examined, including the expansion criteria utilized and type of probe used in each area

- I _

Bobbin 7 100 %5165 14669 Bobbin NA I N/A based on bobbin 563 1055 l Plus Point, N/A NIA Special Interest Upper Roll 100% 15165 14669 Plus Point N/A N/A I Tranlsition _. Wl ~1IN~ ______

716 445 6 crack-like

("IwAmw' LowerTS 3% P Po indications (A) N/A 5"J'"X (Otx Creuce c4 Point. crack-likeN/

Creviceindications (B)indict___s 20% Lane & 20 20 011- Wedge /JVDo I One Tube 20% Plus Point 1 Crack-like N/A

'irJ4 C.IC4- - Boundary idcto Around Sleeved U4 il Tubes .

1-600 Plugs 100% 20 47 Plus Point N/A N/A 4

£ evfS Dents 02S-UTS 20% 105 38 Plus Point Cindcation N/A vpvi DenTs Adjacent 39 108 to Explosive 100% Plus PoinT N/A N/A Plugged Tubes 407 of B-OTSG 66 0 (alternating 1obi Crack-likeNA in / Sleeves sleeve indiCatikN r inspections) o 100% of B- 33 159 .P 1 Crack-like N/A Sleeves OTSG Plu P Poin t indicationN/

20% of A-OTSG rb L Y Non-Stress 2 tubes (100%) 2 2 Plus Point N/A N/A Relieved Roll Transitions _ - -~E D First Sp -in IGA (19tubes 0 PlouPina IN/^ r1VeV1u4D4Y I G4 fr(VwH; Q!! Plus Paint unidentified (4 15" 10 /%

IGA I indications I

\1 I --- I ._. I

\h 6o;. F - A1t LeL twb roll ?rfaLLs/b T1 PTrS i\1,3 t

P14 NL 1O¶RE 2

ONCE-THROUGH STEAM GENERATOR Primary Inlet Nozzle  ; -,

Manway Inspectlon Opening < .Z.\

Upper Hemispherical Head Upper Tubeeheel Vent & Level Sensing-Connection AFW Header C I Manway

& Nozzles (7) , i 1I Upper Cylindrical Baffle

__ Tube Support Plate Sleam Outlet Nozzle (2)

Handhole (2 to a)

Upper High Level Sensing Connection (2) Drain (2)

Main Feedweter Risers -Main Feedwater Nozzles (32)

Lower High Level Extemal Main Sensing Connection (2) Feedwater Header Downcomer Temperature Sensing Connection (2)

Tubes Shell Lower Cylindrical Baffle Upper Low Level Sensing Connectlon (2)

Flow Ports Orifice Plate Handholes (7)

Drain (2)

Lower Low Level Sensing Connection (2)  :< ~ Tempereture Sensing Connection Drain (4)

Lower Hemispherical Head - Lower Tubesheet Primary Outlet Nozzle (2) -

- _ Manway Support SkIrt F1

• Inspection Opening 96C12BG PrImary Drain - --

Figure 3:

Typical Tube End Crack in the Tube-to-Tubesheet Joint Axial Tube End Cracking Typical Seal Weld Herat Affected Zone /

Inconel Cladding ChLd Region Carbon Steel Tube Sheet (24" Thick)

Tubesheet-to-Clad Interface

Figure 2:

Typical OTSG Tube-to-Tubesheet Joint Tube-to-Tubesheec Weld, 0.051" minimum leg Primary Face of the Clad

. < - Cladding t 1I ShInterface Clad/Carbon

_ 1 I' Tubesheet 1 AL,. ,

AtTube

,1,,l,.1 t' Nominal Value. Actual clad thickness varies

EXHIBIT I OTSG STRUCTURAL DESIGN Tube Information Number of Tubes: 15,531

.. ,-- - -s-- UTE2 Number of Rows; 151 24,00" UTS Max Tubes/Row: 132 z = rI ll 11 15S Tube Material:

Nominal OD:

Inconel 600 0.625 inch Nominal ID: 0.551 inch 1:;

35 14S Nominal WT: 0.037 inch Minimum WT: 0.034 inch 30 13 S Tube Length: 673.375 inch 12S Tube Support Information 38 Tube Support Material: Carbon Steel Tube Support Thickness: 1.50 inch

_30 _ _is Tube Supports: All trefoil broached except the 15h TSP which is drilled in the periphery.

i tI

_ _ NOS Tubesheet Information i Tubesheet is carbon steel, 24 inch thick i 10 (Primary 5/16" inconel clad)

I- 08 S i 39 Tubes are open crevice with a minimum I 1.0 inch long roll in both the upper and lower M 07S i tubesheet W oes I

5ieeve Information 37 Sleeve Material: Incornel 690 OS Nominal OD: 0.525 inch 3_

Nominal ID: 0.431 inch 04S Nominal WT: 0.047 inch 30 Sleeve Length: 80 inch 03S Roll Length: 1.00 inch 38 Number of Rolls: 3 (1 Upper and 2 Lower) 02S Typical Operating Parameters 01S Design Pressure (Pri): 2,500 psig (TL 24.00

LTS Desi gn Pressure (Sec): 1,050 psig Design A P: 1,450 psig LTE Design Temperature: 650°F Eddy Current Data Analysis Guidelines For Crystal River Unit 3 Rev. 1 Page 43

EXHIBIT 2 OTSG TUBESIEET DESIGN W exiuf Onkt ~V~sw) 10--.- ' . .......... ... \. .4...A A9'.4...%X 130........ -

- *}

..-..... . -I 9. . 2.-

9 ,.

. . ' '. a , '.. ., , ,

(ea~~. so-.*rAW'/v. .

.j7VR{ 80- ... 35t t2 9....9

- Hi

'-'--......29 9... . .

70 . .................

... .. '. ~91 . ......-

R- ' '. -t- * '*tv'w=* 9.:'_

t4 - *-9 *.' 4 ,;,;

90 --. . ........

95~~~-........

......... .... .'w 1158~, *~*/

140 - ~..

.3

.- n-..ew 9.*

Eddy Current Data Analysis Guidelines For Crystal River Unit 3 Rev. 1 Page 44

TYPICAL REPAIR ROLL PLACEMENT ORIGINAL ROLL 2.25' 4"

1.625' OVERLAP DOUBLE REPAIR ROLL 1IL INFORMATION ONLY Figure 1: CR-3 OTSG Tube Repair Roll Process