ML17258A794
| ML17258A794 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 02/10/1981 |
| From: | Maier J ROCHESTER GAS & ELECTRIC CORP. |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8102180453 | |
| Download: ML17258A794 (43) | |
Text
REGULATORY I rORHATION DISTRIBUTION SYST (RIDS)
SUBJECT:
Forwards updated questionnaire respo'nse for steam generator info sys per NRC 771209 request
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TITLE': General Distribution for after Issuance of Operating License'OTES:
1 copy:SEP Sects Ldr.
05000244 ACCESSION NBR 8 1 021 80453 DOC ~ DATE 8 1 /02/ 1 0 NOTARIZED NO,,
DOCKEiT FACIL;50-244 Robert Emmet Ginna Nuclear Plantg Unit 1i Rochester G
05000244 AUTH'AME AUTHOR AFF ILIATION HAIERzJ ~ E ~
Rochester Gas L Electric Corp.
REC IP ~ NAHE RECIPIENT AFFILIATION Officeof Nuclear Reactor Regulationz Director RECIPIENT ID CODE/NAME'CTION:
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INTERNAL D/DIRzHUH FAC08
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ziuizrz um zu7Isz zszzsz ROCHESTER GAS AND ELECTRIC CORPORATION
,,'e A
SfAIC o
89 EAST AVENUE, ROCHESTER, N.Y. 14649 JOHN E.
MA IER VICE PRESIDENT TCLKPHONC ARCA CODE Tlb 546.2700 February 10, 1981 Director of Nuclear Regulation U.
S. Nuclear Regulatory Commission Washington, D. C.
20555
Dear Sir:
Enclosed herewith is our updating to your request of December 9,
1977 for guestonnaire response for your steam generator information system.
Very truly yours, John E. Maier Enc.
~
h
~
~
3 YI.
TURBINE STOP VALVE TESTING (applicable to Babcock 5 Nlcox (BN) S.G. only)
Fre uenc of Testin Actual:
~
~
I Manufacturer Recomnendation:
Power Level At Mhich Testin Is Conducted Actual:
Manufacturer Receanendation:
Testin Procedures (Stroke len th, stroke rate etc.
Actual:
Manufacturer Recoanendation:
YII.
STEAM GENERATOR TUBE DEGRADATION HISTORY (The following is to be repeated for each scheduled ISI) 0 Inservice Inspection (ISI) Date:
4/1-6/78 Number of EFP.Days of Operation Since Last Inspection:
(The following is to be repeated for each steam generator)
Steam Generator Number: ~ H<< ~ ~1< Les>
Percentage of, Tubes Inspected At This ISI:
63%/52%'ercentage of Tubes Inspected At This ISI That Had Been Inspected At The Previous Scheduled ISI:
100~/100~
Percentage of Tubes Plugged Prior to This ISI:
~-6>/1-~>
Percentage of Tubes Plugged At This ISI:
1q/.48~
'ercentage of Tubes Plugged That Did Not Exceed Degradation Limits:
Percentage of Tubes Plugged As A Result of Exceedance of Degradation Limits:
0/.46%
Sludge Layer Material Chemical Analysis Results:
Sludge Lancing (date):
4/1-6/78 Ave. Height of Sludge Before Lancing:
0-2" Ave. Height of Sludge After Lancing:
0 Replacement, Retubing or Other Remedial Action Considered:
(Briefly Specify Details)
None Support Plate Hourglassing:
None Support Plate Islanding:
None Tube Metalurgical Exam Results:
0 jv t
~
C ~,
IL h
Cl
/~
1 L
R A
P
I Fretting or Vibration in U-Bend Area (not applicable to BAM S.G.)
AS OF ~4 Percentage of Tubes Plugged Other Preventive Measures None.
No problems of this nature N/A
'asta e Cavitation Erosion AS OF ~4
~Hot:Le (Repeat this information for the cold leg (C.E.) and Westinghouse (M) S.G.)
0 0
I
- (I I
on Combustion Engineering A+ Hol and Cold Legs Area of Tube Bundle (1)
X of Tubes Affected by Mastage/Cavitation Erosion b
c d
e 0/0
% of Tubes Plugged Due to Exceedance of Allowable Limit (2)
X of Tubes Plugged That Did not Exceed Degradation Limit Location Above Tube Sheet (3)
'ax. Wastage/Cavitation Erosion Rate for Any Single Tube (Tube Circum. Ave) (Mills/Month)
Hax. Mastage/Cavitation Erosion in Any Single Unplugged Tube (Tube Circum. Ave) (Hills) 0/ 2 o/
.0 0/0 3
II 3 II n/0 0/0
~Crackin AS OF ~4 Caustic Stress Corrosion Induced in C.E.
and W S.G.
Flow Induced Vibration Caused in B&W S.G.
0 E*
I
'lI J
'I J
I I
'E
~
S I
~Crackfn (Con't)
~imt i.e:
(nepeat this infornation for the cold leg on C.E.
and > S.G.)
Area of Tube Bundle a
b c
d e
~
~
X of Tubes Affected By Cracking X of Tubes. Plugged Due to Cracking X of Tubes Plugged That Did Not Exceed Degradation L>mit Location Above (3)
Tube Sheet Rate of Leakage From Leaking Cracks (gpm)
O/27 t
0/27 0/oo-
'/o9
.'036 i/0 o/o
~Dentin (Not applicable to BN S.G.) AS OF ~4
~Hot Le:
(Repeat this inforeation for the cold leg on C.E.
and if S.G.)
I Area of Tube Bundle (1)
X of Tubes Affected by Denting
% of Tubes Plugged Due to Exceedance of Allowable Limit (Z)
X of Tubes Plugged That Did Not Exceed Degradation Limit Rate of'Leakage From Leaking Dents (gpm)
Max. Denting Rate for Any Single Tube (Tube Circum. Ave) (Mills/Month)
Max. Denting in Any Single Unplugged Tube (Tube Circum. Ave) (Mills)<"f 6.25
/2.8 0/0 O/0 O/0 app x,o/
'ppr 0
12/
13
4
~
I 8
h F
4
~
~
\\ '
Y v ~ c t
g C
II
)>
~ +
q~'J w 1
0b p
-e
~'b
Denting (Con't)
>>6-Support Plate Levels Max. Denting in Any Single Tube in Bundle Area (Tube Ave) (Mills) (1) 5 of Tubes Affected By Denting in Bundle Area c
d 10/10 a
d 2.S/2 2
3 4
5 6
7 8
9 10 ll 12 6/6 3/0 3/0 0 3 10 3 3/2
'50/0
.26/0 0.
16 4
s
~
L
- 0 A
~
Ef
~
V t
V I
I h
t
~ S 4
J, h
I
\\ I'
~ )
'I 4
'I e J
P I'
TABLE KEY NOTE:
All percentages refer to the percent of the tubes within a given area of the tube bundle.
Area of the Tube Bundle No. of Tubes Within the Area a.
Periphery of Bundle
{wi/20rows for BN; wi/10 rows for C.E.
and M) b.
Patch Plate (wi/4 rows) c.
Hissing Tube Lane (BUM only)
(wi/5 rows)
Flow Slot Areas (C.E.
and M only) wi/10 rows) d.
Wedge Regions (C.E.
and W only)
~ {wi/8 rows) e.
Interior of Bundle (rema in der of tubes )
(2)
Allowable Limit for Wastage/Cavitation Erosion:
40~:
Allowable Limit For Denting:
(3) 1.
Specifies area between the tube sheet and the first support plate 2.
Specifies in the following locations: (list the additional locations)
Wastage/Cavitation Erosion:
Cracking:
(4)
Specify the date of the inspection for which results'ave been tabulated.
4/j. 6/78
S
'I
~
~
4
~
l t
vt jr %
(
s( j
~ )
~ \\ ~
g t
~
~
3 YI.
TURBINE STOP VALVE TESTING (applicable to Babcock 8 Nlcox (BN) S.G. only)
Fre uenc of Testin Actual:
~
~
I
~
Manufacturer Recoomendation:
Power Level At Mhich Testin Is Conducted Actual:
Manufactu'rer Recaanendation:
Testin Procedures (Stroke len th, stroke rate etc.
Actual:
Manufacturer Recaanendation:
VII.
STEAM GENERATOR TUBE DEGRADATION HISTORY (The following is to be repeated for each scheduled ISI)
Inservice Inspection (ISI) Date:
2/16-23/79 Number of EFP,Days of Operation Since Last Inspection:
(The following is to be repeated for each steam generator)
~
~
s
~
II I
I
~
Steam Generator Number: ~ Hp< and gold Legs Percentage of Tubes Inspected At This ISI:
Percentage of Tubes Inspected At This ISI That Had Been Inspected At The Previous Scheduled ISI:
lppg/lppg Percentage of Tubes Plugged Prior to This ISI:
3.7s/1.78%'ercentage of Tubes Plugged At This ISI:
0/.18%
. Percentage of Tubes Plugged That Did Not Exceed Degradation Limits:
0/.03%
Percentage of Tubes Plugged As A Result of Exceedance of Degradation Limits:
0/-15>
l Sludge Layer Material Chemical Analysis Results:
Sludge Lancing (date):
2/16-23/79 Ave. Height of Sludge Before Lancing:
p 2 Ave. Height of Sludge After Lancing:
0 Replacement, Retubing or Other Remedial Action Considered:
(Briefly Specify Details) 'ne Support Plate Hourglassing:
<<>+
Support Plate Islanding:
~
Tube Metalurgical Exam Results:
None
Ih I
h P
I h
P
~
If
Fretting or Vibration in 0-Bend Area (not applicable to BAW S.G.)
AS OF ~4 Per centage of Tubes Plugged Other Preventive Measures None.
No problems of this mture.
N/A
'asta e Cavitation Erosion AS OF ~4
~Xot:Le (Repeat this Information for the caid (C.E.) and Westinghouse (W) S.G.)
Area of Tube Bundle (1)
X of Tubes Affected by Wastage/Cavitation Erosion l of Tubes Plugged Due to Exceedance of Allowable Limit (2)
X of Tubes Plugged That Did not Exceed Degradation Limit Location Above Tube Sheet (3)
. Max. Wastage/Cavitation Erosion Rate for Any Single Tube (Tube Circum. Ave) (Mills/Month)
Max. Wastage/Cavitation Erosion in Any Single Unplugged Tube (Tube Circum. Ave) (Mills).
II leg on Cori>bustion Engineering c
d e
~Crackin hs Pf ~4 Caustic Stress Corrosion Induced in C.E.
and W S.G.
Flow Induced Vibration Caused in BSW S.G.
II P
V
'I 1
J a
/
lf 0
~
n 4
k t
~Crack(a (Con')
~imam Le Lnepeat this infortnation for the Area of Tube Bundle X of Tubes Affected-By Cracking X of Tubes. Plugged Due to Cracking X of Tubes Plugged That Did Not Exceed Degradation Limit cold leg on C.E.
and ~ S.G.)
d e
0!>> 0/06
.12
.06 0/03 Location Above
( 3)
Tube Sheet Rate of Leakage From Leaking Cracks (gpm) o/
0-3r" o/
o/o I
center of support platw and Xespectively
~Dentin (Not applicable to Bhg S.G.) AS OF ~4
~Hot Le (Repeat this infoneation for the cold leg on C.E. and g S.G.)
Area of Tube Bundle (1)
% of Tubes Affected by Denting 5 of Tubes Plugged Due to Exceedance of Allowable Limit (S)
X of Tubes Plugged That Did Not Exceed Degradation Limit Rate of'Leakage From Leaking Dents (gpm)
Max. Denting Rate for Any Single Tube (Tube Circum. Ave) (Mills/Month)
Max. Denting in Any Single Unplugged Tube (Tube Circum. Ave) (Mills)<"s a
b c
d appr appr e
6.25
'2.8 o/o 0/0 0/0 x 0/
x 0
S a
m I
Denting (Con't) Support Plate Levels Max. Denting in Any Single Tube in Bundle Area (Tube Ave) (Mills) (1) 5 of Tubes Affected By Denting in Bundle Area 1
2 3
4 6
6 7
8 9
10 11 12 10/j.0 6/6 3/0 3 0 10 3 10/3 2.8/2 3/2
.50/0
.26/0 8/0.1
~
p I 0
~
7 V,
I'
+I c'
~ '\\
f
~
" 1, r
p' h
h I
l-t.
t II
7 TABLE KEY NOTE:
All percentages refer to the percent of the tubes within a given area of the tube bundle.
Area of the Tube Bundle No. of Tubes Within the Area a.
Periphery of Bundle (wi/20rows for B5W; wi/10 rows for C,E.
and M) b.
Patch Plate (wi/4 rows) c.
Missing Tube Lane (BN only)
{wi/5 rows) c.-
Flow Slot Areas (C.E.
and W only) wi/10 rows) d.
Wedge Regions (C.E.
and M only)
~ (wi/S rows) e.
Interior of Bundle (remainder of tubes)
(2)
'I Allowable Limit for Mastage/Cavitation Erosion:
'4pg Allowable Limit For Denting:
None R
l.
Specifies area between the tube sheet and the first support plate 2.
Specifies in the following locations: (list the additional locations)
Wastage/Cavitation Erosion:
Cracking:
(4)
Specify the'ate of the inspection for which results'have been tabulated.
2/16-23/79
~
~
Fre uenc of Te'stin Actual:
Manufacturer Recennendation:
Power Level At Which Testin Is Conducted Actual:
Manufactu'rer Recermendation:
Testin Procedures (Stroke len th, stroke rate etc.
Actual:
Manufacturer Recoomendation:
VII.
STEAM GENERATOR TUBE DEGRADATION HISTORY (The following is to be repeated for each scheduled ISI)
Inservice Inspection (ISI) Date:
4/j-9/80 Number of EFP.Days of Operation Since Last Inspection:
303'l3 (The following is to be repeated for each steam generator) r Steam Generator Number:
Percentage of Tubes Inspected At This ISI:
100%/100%
Percentage of Tubes Inspected At This ISI That Had Been Inspected At The Previous Scheduled ISI:
>o0>/>00>
Percentage of Tubes Plugged Prior to This ISI:
Percentage of Tubes Plugged At This ISI:
03$/7 04' Percentage of Tubes Plugged That Did Not Exceed Degradation Limits:
0/.64~
Percentage of Tubes Plugged As A Result of Exceedance of Degradation Limits:
.03/.39%
Sludge Layer Material Chemical Analysis Results:
Sludge Lancing (date):
4/1-9/80 Ave. Height of Sludge Before Lancing:
0-2" Ave. Height of Sludge After Lancing:
0" Replacement, Retubing or Other Remedial Action Considered:
(Briefly Specify Details)
Support Plate Hourglassing:
mone Support Plate Islanding:
None Tube Metalurgical Exam Results:
I
~
~
3 VI.
TURBINE STOP VALVE TESTING (applicable to Babcock 5 Milcox (BN) S.G. only)
I I4
~
I I I
C I
'I I
l1
'W f.l I
Fretting or Vibration in U-Bend Area (not applicable to BAW S.G.)
AS OF ~4 Percentage of Tubes Plugged Other Preventive Measures
'asta e Cavitation Erosion AS OF ~4
~Hot:Le (Repeat this information for the cold (C.E.) and Westinghouse (W) S.G.)
Area of Tube Bundle (1)
I 1 eg on Combustion Engineering 0
c d
X of Tubes Affected by Wastage/Cavitation Erosion X of Tubes Plugged Due to Exceedance of Allowable Limit (2)
X of Tubes Plugged That Did not Exceed Degradation Limit Location Above Tube Sheet (3)
', Max. Wastage/Cavitation Erosion Rate for Any Single Tube (Tube Circum. Ave) (Mills/Month)
Max. Wastage/Cavitation Erosion in Any Single Unplugged Tube (Tube Circum. Ave) (Mills)
".'03
.06
.03
.06 0/.
.03 2 la/
24 It
.*0/
.0 0/
.03 0/.
2 le 0/0 0/0
- Small Volume Pit
~Crackle AS OF ~A Caustic Stress Corrosion Induced in C.E.
and W S.G.
Flow Induced Vibration Caused in BIIW S.G.
~Crackin (Con't)
~Bot Ie:
Lnepeat this information for the cold
.Area of Tube Bundle a
b 5 of Tubes Affected By Cracking leg on C.E.
and M S.G.)
d e
0/03
~ 03/
.95 X of Tubes. Plugged Due to Cracking X of Tubes Plugged That Did Not Exceed Degradation Limit Location Above (3)
Tube Sheet Rate of Leakage From Leaking Cracks (gpm) 0!<<
0/03 2li/
24il 0/03.03/
.95
<<6.
~
0/y0 i 0/2" 0/0 I
~Dentin (Not applicable to BI!M S.G.) AS OF ~4
~Hot Le (Repeat this information for the cold leg on C.E. and ii S.G.)
Area of Tube Bundle (1) 5 of Tubes Affected by Denting 5 of Tubes Plugged Due to Exceedance of Allowable Limit (Z)
X of Tubes Plugged That Did Not Exceed Degradation Limit Rate of'Leakage From Leaking Dents (gpm)
Max. Denting Rate for Any Single Tube (Tube Circum. Ave) (Mills/Month)
Max. Denting in Any Single Unplugged Tube (Tube Circum. Ave) (Mills)<"i d
e 6.25 2.8, 0/0 0/0
, 0/0 appr x 0/
asap x 0 12$ S
4 4
~
P 4
I 4
~
a'4
~,*
I
~ 4 4
~ 4 t
Denting (Con't) Support Plate Levels Max. Denting in Any Single Tube in Bundle Area (Tube Ave) (Mills) (1) c d
5 of Tubes Affected By Denting in Bundle Area c'
2 3
4 5
6 7
8 9
10 ll 12 10/10 6/6 3/0 3/0 10/3 10/3
- 2. 8/2 3/2
.50/0
.26/0 S/O.l 16/4
I
- l.
t r
II k
J-I l
V TABLE KEY NOTE:
All percentages refer to the percent of the tubes within a given area of the tube bundle.
~..
(1)
Area of the Tube Bundle Ho. of Tubes Within the Area a.
Periphery of Bundle (wi/20rows for BKW; wi/10 rows for C,E.
and W) b.
Patch Plate (wi/4 rows) c.
Hissing Tube Lane (BRIM only)
(wi/5 rows}
Flow Slot Areas (C.E.
and M only) wi/10 rows) d.
Medge Regions (C.E.
and W only)
(wi/S rows) e.
Interior of Bundle (remainder of tubes)
(2)
Allowable Limit for Wasta e Cavitation Erosion:
4 g/
Allowable Limit For Denting:
NONE (3)
~
~
1.
Speclfses area between the tube sheet and the first support plate 2.
Specifies in the following locations: (list the additional locations)
Mastage/Cavitation Erosion:
Cracking:
(4)
Specify the 'ate of the inspection for which results have been tabulated.
I' I
v I h5 "1.
I II 4
I "n ~)p
'b ~
3 VI.
TURBINE STOP VALVE TESTING (applicable to Babcock 5 Wilcox (BN) S.G. only)
Fre uenc of Testin Actual:
Manufacturer Recoanendation:
Power Level At Which Testin Is Conducted Actual:
Nanufactu'rer Recaanendation:
Testin Procedures (Stroke len th, stroke rate etc.
Actual:
Manufacturer Reconmendation:
VII.
STEAN GENERATOR TUBE DEGRADATION HISTORY (The following is to be repeated for each scheduled ISI)
Inservice Inspection (ISI) Date:
ll/3-20/00 Number of EfP,Days of Operation Since Last Inspection:
(The following is to be repeated for each steam generator)
Steam Generator Number:
Ajh Hot Legs<only'..:;~.;
Percentage of Tubes Inspected At This ISI:
lppa/lpp~'ercentage of Tubes Inspected At This ISI That Had Been Inspected At The Previous Scheduled ISI:
100-o/100~
Percentage of Tubes Plugged Prior to This ISI:
3 73%/3%
Percentage of Tubes Plugged At This ISI: 0/0 Percentage of Tubes Plugged That Did Not Exceed Degradation Limits:
0/0 Percentage of Tubes Plugged As A Result of Exceedance of Degradation Limits: 0/0 Sludge Layer Haterial Chemical Analysis Results:
Sludge Lancing (date):
11/3-'20/80
~
~
~
S Ave. Height of Sludge Before Lancing:
0-2" Ave. Height of Sludge After Lancing:
0" Replacement, Retubing or Other Remedial Action Considered:
(Briefly Specify Details) 5 Test Sleeves
~
~i
~
Support Plate Hourglassing:
None Support Plate Islanding:
I>ne Tube Hetalurgical Exam Results:
0 fd 1
~
I t
L t
I h
'0 1l 4
a C'
+
t
4 Fretting or Vibration in 0-Bend Area (not applicable to 85W S.G.)
AS OF ~4 Percentage of Tubes Plugged None.
No problems of ~s nature.
Other Preventive Heasures N/A
'asta e Cavitation Erosion AS OF ~4
~Hot:Le:
(Repeat this information for the cold (C.E.)
and Westinghouse (W) S.G.)
Area of Tube Bundle (1)
X of Tubes Affected by Mastage/Cavitation Erosion X of Tubes Plugged Due to Exceedance of Allowable Limit (2) 5 of Tubes Plugged That Did not Exceed Degradation Limit Location Above Tube Sheet (3)
Hax. Wastage/Cavitation Erosion Rate for Any Single Tube (Tube Circum. Ave) (Hills/Honth)
Max. Wastage/Cavitation Erosion in Any Single Unplugged Tube (Tube Circum. Ave) (Hills)
II leg on Combustion Engineering 0
c d
e
~Crackin As np ~~
Caustic Stress Corrosion Induced in C.E.
and W S.G.
Flow Induced Vibration Caused in BUM S.G.
v V
'C lf a
I II.
l
~ )
~
I r
r
~Crack[ n (Con '
}
~mt Le:
Lnepeat this information for the cold leg Area of Tube Bundle 5 of Tubes Affected By Cracking X of Tubes Plugged Due to Cracking 5 of Tubes Plugged That Did Not Exceed Degradation Limit Location Above
( 3)
Tube Sheet Rate of Leakage From Leaking Cracks (gpm) on C.E. and < S.G.)
/09 e
0/0
,0/0 0/0 0/0
'I
~Dentin (Mot applicable to BKM S.G.} AS OF ~4
~Hot Le:
(Repeat this information for the cold leg on C.E. and M SaG.}
Area of Tube Bundle (1) i of Tubes Affected by Denting X of Tubes Plugged Due to Exceedance of Allowable Limit (2) 5 of Tubes Plugged That Did Not Exceed Degradation Limit Rate of'Leakage From Leaking Dents (gpm)
Max. Denting Rate for Any Single Tube (Tube Circum. Ave) (Mills/Month)
Max. Denting in Any Single Unplugged Tube (Tube Circum. Ave) (Mills)<"f e
6.25 2e8 0/0 O/0
/0 0/
0 12(3
4 t
I E
'L c
P Denting (Con't'upport Plate Levels c
d J
Hax. Denting in Any Single Tube in Bundle Area (Tube Ave) (Hills) (1) 5 of Tubes Affected By Denting in Bundle Area 1
2 3
5 6
7 8
9 10 ll 12 l0/l0 6/6 3/0 3/0 10/3 10/3 2.8/2 3/2
.50/0
.26/0 8/0.1 16/4
b r
I C
I
/
II
(
TABLE XEY NOTE:
All percentages refer to the percent of the tubes within a given area of the tube bundle.
(1)
Area of the Tube Bundle No. of Tubes Within the Area a.
Periphery of Bundle (wi/20rows for BatW; wi/10 rows for C.E.
and M)
- b. 'atch Plate (wi/4 rows) c.
Hissing Tube Lane (BN only)
(wi/5 rows}
Flow Slot Areas (C.E.
and M only) wi/10 rows) d.
Medge Regions (C.E.
and M only)
(wi/S rows) e.
Interior of Bundle (remainder of tubes)
~
1I (2)
Allowable Limit for Wastage/Cavitation Erosion:
40 fo::
Allowable Limit For Denting: NoNE J
(3)
~l 1.
Specifies area between the tube sheet and the first support plate 2.
Specifies in the following locations: (list the additional locations)
Wastage/Cavitation Erosion:
Cracking:
(4)
Specify the date of the inspection for which results'have been tabulated.
4 P
3 I
I I
ll II
~
a v
Q4!
i