ML020940504
| 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 Bobbin 7
100 %5165 14669 Bobbin NA I
N/A I
Special Interest based on bobbin 563 1055 l Plus Point, N/A NIA I
("IwAmw' 5"J'"X (Otx 011-I
'irJ4 C.IC4- -
U4 il
vpvi 4
£ evfS in
/
G4 fr(VwH; Upper Roll 100%
15165 14669 Plus Point N/A N/A Tranlsition Wl
~1IN~
716 445 6 crack-like LowerTS 3%
P Po indications (A)
N/A Creuce Point.
c4 crack-likeN/
Creviceindications (B)indict___s 20% Lane &
20 20 Wedge
/JVDo One Tube 20%
Plus Point 1 Crack-like N/A Boundary idcto Around Sleeved Tubes 1-600 Plugs 100%
20 47 Plus Point N/A N/A Dents 02S-UTS 20%
105 38 Plus Point Cindcation N/A 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 Sleeves sleeve indiCatikN r
inspections) o 100% of B-33 159
. P 1 Crack-like N/A Sleeves OTSG P
Plu 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
\\1
-in IGA (19tubes (4 15" 0
Q!!
PlouPin a Plus Paint 10 /%
IN/^
r1VeV1u4D4Y I
unidentified IGA I indications I
I I
I P14
\\h 6o;.
A1t F -
twb T1 PTrS t LeL roll ?r faLLs/b i\\1,3 NL1O¶RE 2
ONCE-THROUGH STEAM GENERATOR Primary Inlet Nozzle Inspectlon Opening
.Z.\\
Upper Hemispherical Head Vent & Level Sensing-Connection AFW Header C
I
& Nozzles (7) i 1I Upper Cylindrical Baffle Sleam Outlet Nozzle (2)
Upper High Level Sensing Connection (2)
Main Feedweter Risers Lower High Level Sensing Connection (2)
Downcomer Tubes Manway Upper Tubeeheel Manway
__ Tube Support Plate Handhole (2 to a)
Drain (2)
-Main Feedwater Nozzles (32)
Extemal Main Feedwater Header Temperature Sensing Connection (2)
Shell Lower Cylindrical Baffle Upper Low Level Sensing Connectlon (2)
Flow Ports Handholes (7)
Lower Low Level Sensing Connection (2)
Drain (4)
Lower Hemispherical Head Primary Outlet Nozzle (2) -
Support SkIrt Orifice Plate Drain (2)
- < ~
Tempereture Sensing Connection Lower Tubesheet Manway 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 Carbon Steel Tube Sheet (24" Thick)
ChLd Region Tubesheet-to-Clad Interface
Figure 2:
Typical OTSG Tube-to-Tubesheet Joint t
1I 1
I' 1
AL,.
Tube-to-Tubesheec Weld, 0.051" minimum leg Primary Face of the Clad Cladding Clad/Carbon S hInterface Tubesheet
,1,,l,.1 A tTube t' Nominal Value. Actual clad thickness varies
EXHIBIT I OTSG STRUCTURAL DESIGN 1:;
i tI i
i I-iI i
I z =
35 30 38 30 10 39 37 3_
30 38
rI ll 11 14S 13 S 12S
_is NOS 08 S 07S oes O S 04S 03S 02S
-s--
UTE2 24,00" UTS 15S Tube Information Number of Tubes: 15,531 Number of Rows; 151 Max Tubes/Row:
132 Tube Material:
Inconel 600 Nominal OD:
0.625 inch Nominal ID:
0.551 inch Nominal WT:
0.037 inch Minimum WT:
0.034 inch Tube Length:
673.375 inch Tube Support Information Tube Support Material:
Carbon Steel Tube Support Thickness:
1.50 inch Tube Supports: All trefoil broached except the 15h TSP which is drilled in the periphery.
Tubesheet Information Tubesheet is carbon steel, 24 inch thick (Primary 5/16" inconel clad)
Tubes are open crevice with a minimum 1.0 inch long roll in both the upper and lower tubesheet 5ieeve Information Sleeve Material:
Incornel 690 Nominal OD:
0.525 inch Nominal ID:
0.431 inch Nominal WT:
0.047 inch Sleeve Length:
80 inch Roll Length:
1.00 inch Number of Rolls: 3 (1 Upper and 2 Lower)
Typical Operating Parameters Design Pressure (Pri): 2,500 psig Desi gn Pressure (Sec): 1,050 psig Design A P:
1,450 psig Design Temperature: 650°F M
W (TL 01S 24.00
LTS LTE 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--.-
9
\\.
.4...A A9'.4...%X t2 -
Hi 29 130........
- }
R -
9.:'_
-t-
'*tv'w=*
t4
- -9 4,;,;
a
-I
- 9.
2.-
35t (ea~~.
so-.*rAW'/v.
.j7VR{
80-9....9 9...
70
~91 90 95 ~~~-........
.'w 115 8~,
- ~*/
140
~..
.3 9.*
n-..ew 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 1 IL INFORMATION ONLY Figure 1: CR-3 OTSG Tube Repair Roll Process