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=Text= | =Text= | ||
{{#Wiki_filter:_ | {{#Wiki_filter:_ | ||
. - 6thd~ef | . - 6thd~ef | ||
. O - | . O - | ||
i SAFETY EVALUATI0' . | i SAFETY EVALUATI0' . | ||
t V | |||
t | i | ||
* LEAKAGE Af0 CRITICAL AREA 1 | * LEAKAGE Af0 CRITICAL AREA 1 | ||
t | t 4 | ||
4 | |||
* TWEINTEGRIW ! | * TWEINTEGRIW ! | ||
l | |||
* CORROSIONRATE | * CORROSIONRATE | ||
* OPERATINGINTERVAL ; | * OPERATINGINTERVAL ; | ||
i 5 | i 5 | ||
* CONCLUSION | * CONCLUSION | ||
; 9 l ' | |||
; 9 | |||
l ' | |||
i 9 | i 9 | ||
. 80041gogaf | . 80041gogaf | ||
,# e O | |||
,# e | |||
O | |||
LEAKAGE AND CRITICAL AREA ' | LEAKAGE AND CRITICAL AREA ' | ||
t | t | ||
* DEFINITION OF LEAK l | * DEFINITION OF LEAK l l | ||
l | |||
NORMAL SHUTDOWN PROCEDURES l | NORMAL SHUTDOWN PROCEDURES l | ||
- No SAFEGUARDS ACTUATION | - No SAFEGUARDS ACTUATION N MINAL LEAK FLm AREA | ||
N MINAL LEAK FLm AREA | |||
. 3/8INCHDIAMETERHOLE | . 3/8INCHDIAMETERHOLE | ||
- . FLm AREA = .110 So, IN. l | - . FLm AREA = .110 So, IN. l NOMINALLEAKFLm | ||
NOMINALLEAKFLm | |||
. 125GFM ; | . 125GFM ; | ||
I e PROFILE OF CORRODED AREAS m PRAIRIE ISLAND 2 R34 C79 | |||
I | |||
e PROFILE OF CORRODED AREAS m PRAIRIE ISLAND 2 R34 C79 | |||
- TSP #2 AREA .060 x .1875 = .011 So, IN. | - TSP #2 AREA .060 x .1875 = .011 So, IN. | ||
TSP #1 AREA .24 x .1875 = .045 So. IN. | TSP #1 AREA .24 x .1875 = .045 So. IN. | ||
. e LEAK RATE VS. BURST PRESSURE e | |||
. e LEAK RATE VS. BURST PRESSURE | |||
e | |||
l | l | ||
. . .I, . -- | . . .I, . -- | ||
l e <= ( . | l e <= ( . | ||
g . | g . | ||
I & | I & | ||
. l | . l | ||
...p . . . . .. | ...p . . . . .. | ||
i 1 S.- , | |||
i 1 | |||
S.- , | |||
8 . | 8 . | ||
.. 3 | .. 3 | ||
. . . Hs$4 i . . | . . . Hs$4 i . . | ||
. . .;3,I. , . . . . - . . . . _ . . ._.. . .. . . . . - | . . .;3,I. , . . . . - . . . . _ . . ._.. . .. . . . . - | ||
l '. | l '. | ||
- .. c k' | - .. c k' | ||
. ) , | . ) , | ||
..- /) | ..- /) | ||
,e._.._ | ,e._.._ | ||
,m . | ,m . | ||
^ | ^ | ||
y | y | ||
~_- __ .__ - .. . . . - | ~_- __ .__ - .. . . . - | ||
.r.. ... . | .r.. ... . | ||
-__'6 .* k l | -__'6 .* k l | ||
p . | p . | ||
: g. . _ . . . . | : g. . _ . . . . | ||
J l e i | |||
J | |||
l e i | |||
.- .~. -- _. 1 | .- .~. -- _. 1 | ||
-. .. - ; +.... .n - - -- --- -. - | -. .. - ; +.... .n - - -- --- -. - | ||
. _ . = | . _ . = | ||
8.-qg* M l | 8.-qg* M l | ||
- -- _ .bb _-. _ ,-. ... .... -_ j., e \ ... -. ._ -. | - -- _ .bb _-. _ ,-. ... .... -_ j., e \ ... -. ._ -. | ||
... . . .. . . - .-. . i I s l_. s. --.. .... .. . ... .._ ...- .. | ... . . .. . . - .-. . i I s l_. s. --.. .... .. . ... .._ ...- .. | ||
_Ta | _Ta m | ||
m | |||
* 3-. .._-- .. . . . -.. .... . .. - . . . . . - . | * 3-. .._-- .. . . . -.. .... . .. - . . . . . - . | ||
;- N | ;- N | ||
Line 203: | Line 87: | ||
: g. . . . . .. ..-. --_ . . . | : g. . . . . .. ..-. --_ . . . | ||
p . . . | p . . . | ||
I | I | ||
\ | \ | ||
' / i | ' / i m %- . | ||
I l | |||
m %- . | |||
I | |||
l | |||
. _i _ _.. .. ..- ._ . . . __.. | . _i _ _.. .. ..- ._ . . . __.. | ||
~ at . . | ~ at . . | ||
- .e | - .e | ||
. s 1..' ~. | . s 1..' ~. | ||
..t.- - | ..t.- - | ||
y .. . . ... | y .. . . ... | ||
3_ . - .., . . . . . . | 3_ . - .., . . . . . . | ||
7_ . _ .. _.. _t ..-._.._....,a.. . . . ... ..., .- | 7_ . _ .. _.. _t ..-._.._....,a.. . . . ... ..., .- | ||
.y | .y | ||
..m._. ._. _i_p.'_. '.._i6. .W.* '... .. . . . . . .. ' | ..m._. ._. _i_p.'_. '.._i6. .W.* '... .. . . . . . .. ' | ||
I | I | ||
_ r - | _ r - | ||
s | s | ||
=. ..,4.-.. ..-- . _- | =. ..,4.-.. ..-- . _- | ||
_ _- E S_.P. __2/_./ _ __ __ ._. _._. ._ __. .. .._ . . . | _ _- E S_.P. __2/_./ _ __ __ ._. _._. ._ __. .. .._ . . . | ||
l- _ -- _. . . . .. | l- _ -- _. . . . .. | ||
- -- .. _._... . - . .. -. ... __ .P . . . . . . . . . . . . -_ __ .... . . . . . . . . | - -- .. _._... . - . .. -. ... __ .P . . . . . . . . . . . . -_ __ .... . . . . . . . . | ||
_... _ . . . -_. . . _.. 1 .. ___ . .. . . . . . . . . . . . .. .. .. | _... _ . . . -_. . . _.. 1 .. ___ . .. . . . . . . . . . . . .. .. .. | ||
E I | E I | ||
, 7 .. | , 7 .. | ||
n .- _ .. .. . ., . . . . . . . . . . . . . . | n .- _ .. .. . ., . . . . . . . . . . . . . . | ||
...., f ._' l_. . | ...., f ._' l_. . | ||
I | I | ||
.. , . mT'" L_ .._. a ..,_. | .. , . mT'" L_ .._. a ..,_. | ||
. -.... . j. ... . . . . .. .-. -. ._ | . -.... . j. ... . . . . .. .-. -. ._ | ||
Line 279: | Line 120: | ||
* I i | * I i | ||
_c . | _c . | ||
l l s | |||
l l | |||
s | |||
. k ; .. . .i. | . k ; .. . .i. | ||
__ .. . . .,k . . ' . . . . . _ . . .h . . . . . , . . . ._ . . f ._ . . . . . . . _ . . . . .o .. ... . . . . . .. L . . . . .... . . | __ .. . . .,k . . ' . . . . . _ . . .h . . . . . , . . . ._ . . f ._ . . . . . . . _ . . . . .o .. ... . . . . . .. L . . . . .... . . | ||
. . - . .. . ... .. - ._. . , _ . .. .. .. . .. .. . . .. . . . .. .. .. .L | . . - . .. . ... .. - ._. . , _ . .. .. .. . .. .. . . .. . . . .. .. .. .L | ||
..j . s | ..j . s | ||
_; .7_ | _; .7_ | ||
.j . .p . | .j . .p . | ||
a O 4 | a O 4 | ||
e t | e t | ||
D I | D I | ||
TUBE IN~EGRITY . | TUBE IN~EGRITY . | ||
i i | |||
i | f s | ||
s | |||
* TWE WAu. REQUIRED l 1 | * TWE WAu. REQUIRED l 1 | ||
NORMAL . M j i | NORMAL . M j i | ||
FAULTED . 0 13 i | FAULTED . 0 13 i | ||
I r | I r | ||
e TUBEBURSTDATA l, | e TUBEBURSTDATA l, r | ||
r | |||
CORROSIONPROFILES ! | CORROSIONPROFILES ! | ||
I TWEBURSTTESTS i t | |||
l l | |||
I | i e | ||
A l | |||
TWEBURSTTESTS i t | |||
l | |||
l | |||
I | I | ||
? | ? | ||
[ | [ | ||
* e 9 | * e 9 | ||
-.---- - r -n..,-. . . . - _.-..-..~e- . . - . - , - ,r, ,,, , , , , - . , , , - , , ,.v---,-. , -w ,-n- ---y | -.---- - r -n..,-. . . . - _.-..-..~e- . . - . - , - ,r, ,,, , , , , - . , , , - , , ,.v---,-. , -w ,-n- ---y | ||
GE0 METRY OF ELLIPTICAL WASTAGE SPECIMEN m | |||
I (a) l ; | |||
GE0 METRY OF | |||
ELLIPTICAL WASTAGE SPECIMEN | |||
[ . | [ . | ||
t O , | |||
t | |||
O , | |||
i l | i l | ||
\ | \ | ||
\ ' | \ ' | ||
N = | N = | ||
[ | [ | ||
RC | RC "W M bw mmg s | ||
m____________ | |||
{ ; | { ; | ||
~ l | ~ l | ||
~ | ~ | ||
e* | e* | ||
s | s 1 | ||
l l | |||
l l | |||
l | |||
l | l | ||
l BURST PRESSURES FOR THREE HEATS OF 0,875 IN, X 0,050 IN, SPECIMENS : | l BURST PRESSURES FOR THREE HEATS OF 0,875 IN, X 0,050 IN, SPECIMENS : | ||
P t | |||
P | |||
t | |||
HEATB, HEATE, HEATf, ! | HEATB, HEATE, HEATf, ! | ||
50 KSI YIEW 44 KSI YIELD 41 KSI YIELD DEFECTIYPE I t | |||
50 KSI YIEW 44 KSI YIELD 41 KSI YIELD DEFECTIYPE I | 9260 9460 9180 UNDEFECTED 9275 9665 9450 9440 9500 9240 i t | ||
i ELLIPTICALWASTAGE : | |||
5465 5550 5635 55 - 60% : | |||
i | |||
ELLIPTICALWASTAGE : | |||
5465 | |||
5550 5635 55 - 60% : | |||
5635 5280 5700 l Rc = 32" ., | 5635 5280 5700 l Rc = 32" ., | ||
LENGE = 1 h'' | LENGE = 1 h'' | ||
l 85-90% 2950 - | l 85-90% 2950 - | ||
2970 ; | 2970 ; | ||
Re = 6" i | Re = 6" i | ||
REF: MJREG/CR-0277, JULY 1978 l | |||
REF: MJREG/CR-0277, JULY 1978 | |||
l l | l l | ||
\ | \ | ||
l l | l l | ||
l | l | ||
t 12,531-40 l | |||
14, 00 8 - imiform Thinning i | |||
t | |||
l | |||
12,000 - | 12,000 - | ||
RANGE OF 50 10 58 WALL BURST PRcSSURE . )gg ggggo | RANGE OF 50 10 58 WALL BURST PRcSSURE . )gg ggggo | ||
- un e cded gj 10,000 - | - un e cded gj 10,000 - | ||
D | |||
/p E / o : | /p E / o : | ||
O | O | ||
# 40 TO 45% WAL E | # 40 TO 45% WAL E | ||
- 8,000 - | - 8,000 - | ||
REMAINI - | REMAINI - | ||
/ b "s' | / b "s' | ||
m O 2% 0 27.' WILL g , | |||
m | |||
O 2% 0 27.' WILL g , | |||
y/ REMAINING g | y/ REMAINING g | ||
E | E 6,000 c0 | ||
6,000 c0 | |||
,.- /g/ O ! | ,.- /g/ O ! | ||
/ 10 TO 15% WALL REMAINI /p : | / 10 TO 15% WALL REMAINI /p : | ||
O - t | O - t 4.000 ,- - -- - - --- -- ._. | ||
4.000 ,- - -- - - --- -- ._. | |||
0 - | 0 - | ||
g/ - | g/ - | ||
i (THROUGHWALL | |||
i | |||
(THROUGHWALL | |||
- i | - i | ||
/ ExectistnritcuRvcI l 1 : | / ExectistnritcuRvcI l 1 : | ||
- I I I ' I I - I I I o - | |||
- I I I ' I I - I I I | |||
o - | |||
2.0 2.2 | 2.0 2.2 | ||
~ | ~ | ||
Line 535: | Line 217: | ||
~ | ~ | ||
l | l | ||
-----, RECIPROCAL FLAW LENGTH ( 7 IN I) i Figure 5. Room Temperature Burst Pressure of 7/8''Tubeswith Machined Flats , | |||
-----, RECIPROCAL FLAW LENGTH ( 7 IN I) i | |||
Figure 5. Room Temperature Burst Pressure of 7/8''Tubeswith Machined Flats | |||
(Ref.WCAP-8429) * | (Ref.WCAP-8429) * | ||
- _ _ _ _ _ _ _ _ - _ _ _ _ . - _ _ _ _ _ _ .____l._ | - _ _ _ _ _ _ _ _ - _ _ _ _ . - _ _ _ _ _ _ .____l._ | ||
CORROSION RATE ; | CORROSION RATE ; | ||
e CNRODENTSOURCE RESININTRUSION CmDENSATE POLISHERS F | |||
e imEEXPOSURETOCORRODENT PbLISHER AVAILABILITY 12//7 24 ftNTHS OPERATIM . | |||
e Tme CmROSIm RATE INDIVIDUAL LOCATION CmROSIm RATE LARGEST ECT INDICATIm IN SERVICE IS 45% ; | |||
e CNRODENTSOURCE | |||
RESININTRUSION | |||
CmDENSATE POLISHERS F | |||
e imEEXPOSURETOCORRODENT | |||
PbLISHER AVAILABILITY 12//7 | |||
24 ftNTHS OPERATIM . | |||
e Tme CmROSIm RATE | |||
INDIVIDUAL LOCATION CmROSIm RATE | |||
LARGEST ECT INDICATIm IN SERVICE IS 45% ; | |||
i | i | ||
- CALCULATED CmROS!m RATE OF 1.8% / MONTH l t | - CALCULATED CmROS!m RATE OF 1.8% / MONTH l t | ||
l | l l | ||
l | |||
l i | l i | ||
M g e | M g e | ||
OPERATING INTERVAL | OPERATING INTERVAL | ||
* REQUIREDMINIMUMIUBEWALL 13 MILS = 26% | |||
* REQUIREDMINIMUMIUBEWALL | |||
13 MILS = 26% | |||
* LARGEST ECT INDICATim IN SERVICE I | * LARGEST ECT INDICATim IN SERVICE I | ||
E%=55%REMAININGWALL 4 | |||
E%=55%REMAININGWALL | |||
4 | |||
* CORROSim RATE 1.8% PER Mmm , | * CORROSim RATE 1.8% PER Mmm , | ||
PERMISSIBLE OPERATING INTERVAL FOR MINIMUM ILBE WALL i | PERMISSIBLE OPERATING INTERVAL FOR MINIMUM ILBE WALL i | ||
REMAINING WALL - REQUIRED WALL | REMAINING WALL - REQUIRED WALL | ||
= | = | ||
16 Mmms OF OPERATim | 16 Mmms OF OPERATim o | ||
E e | |||
o | |||
E | |||
e | |||
l | l | ||
CONCLUSIONS | CONCLUSIONS | ||
* AMQUATE BURST PRESSWE IS lh1NTAINED e C@ROSIONRATE1.8%PERMoNTH e &ERATING INTERVAL 16 IMS | |||
* AMQUATE BURST PRESSWE IS lh1NTAINED | |||
e C@ROSIONRATE1.8%PERMoNTH e &ERATING INTERVAL 16 IMS | |||
.D | .D | ||
\ | \ | ||
I | I | ||
, e' . | , e' . | ||
.}} | .}} |
Latest revision as of 23:57, 21 February 2020
ML19305D215 | |
Person / Time | |
---|---|
Site: | Prairie Island |
Issue date: | 02/12/1980 |
From: | Hirst C WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
To: | |
Shared Package | |
ML19305D213 | List: |
References | |
NUDOCS 8004140204 | |
Download: ML19305D215 (10) | |
Text
_
. - 6thd~ef
. O -
i SAFETY EVALUATI0' .
t V
i
- LEAKAGE Af0 CRITICAL AREA 1
t 4
- TWEINTEGRIW !
l
- CORROSIONRATE
- OPERATINGINTERVAL ;
i 5
- CONCLUSION
- 9 l '
i 9
. 80041gogaf
,# e O
LEAKAGE AND CRITICAL AREA '
t
- DEFINITION OF LEAK l l
NORMAL SHUTDOWN PROCEDURES l
- No SAFEGUARDS ACTUATION N MINAL LEAK FLm AREA
. 3/8INCHDIAMETERHOLE
- . FLm AREA = .110 So, IN. l NOMINALLEAKFLm
. 125GFM ;
I e PROFILE OF CORRODED AREAS m PRAIRIE ISLAND 2 R34 C79
- TSP #2 AREA .060 x .1875 = .011 So, IN.
TSP #1 AREA .24 x .1875 = .045 So. IN.
. e LEAK RATE VS. BURST PRESSURE e
l
. . .I, . --
l e <= ( .
g .
I &
. l
...p . . . . ..
i 1 S.- ,
8 .
.. 3
. . . Hs$4 i . .
. . .;3,I. , . . . . - . . . . _ . . ._.. . .. . . . . -
l '.
- .. c k'
. ) ,
..- /)
,e._.._
,m .
^
y
~_- __ .__ - .. . . . -
.r.. ... .
-__'6 .* k l
p .
- g. . _ . . . .
J l e i
.- .~. -- _. 1
-. .. - ; +.... .n - - -- --- -. -
. _ . =
8.-qg* M l
- -- _ .bb _-. _ ,-. ... .... -_ j., e \ ... -. ._ -.
... . . .. . . - .-. . i I s l_. s. --.. .... .. . ... .._ ...- ..
_Ta m
- 3-. .._-- .. . . . -.. .... . .. - . . . . . - .
- - N
- t. . ., g . , . . .
- g. . . . . .. ..-. --_ . . .
p . . .
I
\
' / i m %- .
I l
. _i _ _.. .. ..- ._ . . . __..
~ at . .
- .e
. s 1..' ~.
..t.- -
y .. . . ...
3_ . - .., . . . . . .
7_ . _ .. _.. _t ..-._.._....,a.. . . . ... ..., .-
.y
..m._. ._. _i_p.'_. '.._i6. .W.* '... .. . . . . . .. '
I
_ r -
s
=. ..,4.-.. ..-- . _-
_ _- E S_.P. __2/_./ _ __ __ ._. _._. ._ __. .. .._ . . .
l- _ -- _. . . . ..
- -- .. _._... . - . .. -. ... __ .P . . . . . . . . . . . . -_ __ .... . . . . . . . .
_... _ . . . -_. . . _.. 1 .. ___ . .. . . . . . . . . . . . .. .. ..
E I
, 7 ..
n .- _ .. .. . ., . . . . . . . . . . . . . .
...., f ._' l_. .
I
.. , . mT'" L_ .._. a ..,_.
. -.... . j. ... . . . . .. .-. -. ._
b, . . .-. . . . -
, I l .
- I i
_c .
l l s
. k ; .. . .i.
__ .. . . .,k . . ' . . . . . _ . . .h . . . . . , . . . ._ . . f ._ . . . . . . . _ . . . . .o .. ... . . . . . .. L . . . . .... . .
. . - . .. . ... .. - ._. . , _ . .. .. .. . .. .. . . .. . . . .. .. .. .L
..j . s
_; .7_
.j . .p .
a O 4
e t
D I
TUBE IN~EGRITY .
i i
f s
- TWE WAu. REQUIRED l 1
NORMAL . M j i
FAULTED . 0 13 i
I r
e TUBEBURSTDATA l, r
CORROSIONPROFILES !
I TWEBURSTTESTS i t
l l
i e
A l
I
?
[
- e 9
-.---- - r -n..,-. . . . - _.-..-..~e- . . - . - , - ,r, ,,, , , , , - . , , , - , , ,.v---,-. , -w ,-n- ---y
GE0 METRY OF ELLIPTICAL WASTAGE SPECIMEN m
I (a) l ;
[ .
t O ,
i l
\
\ '
N =
[
RC "W M bw mmg s
m____________
{ ;
~ l
~
e*
s 1
l l
l l
l
l BURST PRESSURES FOR THREE HEATS OF 0,875 IN, X 0,050 IN, SPECIMENS :
P t
HEATB, HEATE, HEATf, !
50 KSI YIEW 44 KSI YIELD 41 KSI YIELD DEFECTIYPE I t
9260 9460 9180 UNDEFECTED 9275 9665 9450 9440 9500 9240 i t
i ELLIPTICALWASTAGE :
5465 5550 5635 55 - 60% :
5635 5280 5700 l Rc = 32" .,
LENGE = 1 h
l 85-90% 2950 -
2970 ;
Re = 6" i
REF: MJREG/CR-0277, JULY 1978 l
l l
\
l l
l
t 12,531-40 l
14, 00 8 - imiform Thinning i
12,000 -
RANGE OF 50 10 58 WALL BURST PRcSSURE . )gg ggggo
- un e cded gj 10,000 -
D
/p E / o :
O
- 40 TO 45% WAL E
- 8,000 -
REMAINI -
/ b "s'
m O 2% 0 27.' WILL g ,
y/ REMAINING g
E 6,000 c0
,.- /g/ O !
/ 10 TO 15% WALL REMAINI /p :
O - t 4.000 ,- - -- - - --- -- ._.
0 -
g/ -
i (THROUGHWALL
- i
/ ExectistnritcuRvcI l 1 :
- I I I ' I I - I I I o -
2.0 2.2
~
O.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1. 6 l '. 8
~
l
, RECIPROCAL FLAW LENGTH ( 7 IN I) i Figure 5. Room Temperature Burst Pressure of 7/8Tubeswith Machined Flats ,
(Ref.WCAP-8429) *
- _ _ _ _ _ _ _ _ - _ _ _ _ . - _ _ _ _ _ _ .____l._
CORROSION RATE ;
e CNRODENTSOURCE RESININTRUSION CmDENSATE POLISHERS F
e imEEXPOSURETOCORRODENT PbLISHER AVAILABILITY 12//7 24 ftNTHS OPERATIM .
e Tme CmROSIm RATE INDIVIDUAL LOCATION CmROSIm RATE LARGEST ECT INDICATIm IN SERVICE IS 45% ;
i
- CALCULATED CmROS!m RATE OF 1.8% / MONTH l t
l l
l i
M g e
OPERATING INTERVAL
- REQUIREDMINIMUMIUBEWALL 13 MILS = 26%
- LARGEST ECT INDICATim IN SERVICE I
E%=55%REMAININGWALL 4
- CORROSim RATE 1.8% PER Mmm ,
PERMISSIBLE OPERATING INTERVAL FOR MINIMUM ILBE WALL i
REMAINING WALL - REQUIRED WALL
=
16 Mmms OF OPERATim o
E e
l
CONCLUSIONS
- AMQUATE BURST PRESSWE IS lh1NTAINED e C@ROSIONRATE1.8%PERMoNTH e &ERATING INTERVAL 16 IMS
.D
\
I
, e' .
.