ML18142B249: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
(Created page by program invented by StriderTol)
 
(One intermediate revision by the same user not shown)
Line 16: Line 16:


=Text=
=Text=
{{#Wiki_filter:II CONTROL BLOCK: LER 76-24/1T LICENSEE EVENT REPOR (PLMSE PRINT ALL REQUIRED INFORI'JPATIDN)
{{#Wiki_filter:LER     76-24/1T II LICENSEE EVENT REPOR CONTROL BLOCK:                                                            (PLMSE PRINT ALL REQUIRED INFORI'JPATIDN)
UCENSEE NAME~01 N Y R E 7 89 CATEGORY~01 CON'T~7 8 57 58 G 1 0 14 15 REPORT AEPOAT 59 60 LICENSE NUMBER 0-0 0 0 0 0-0 0 UCENSE TYPE EVENT TYPE 4 1 1 1 1~01 25 26 30 31 32 DOCKET NUMBER EVENT DATE AEPORT DATE 0 5 0-0 2 4 4 1 0 0 8 7 6 1 0'2 2 7 6 61 68 69 74 75 80 EVENT DESCRIPTION During normal operations an auxiliary operator found an accumulation of borated water 80 7 89~I Safety Injection Pumps.Further investigation revealed a leak in a section of 8" 7 8 9 80 m Schedule 10 stainless steel pipe between valves 826A and 826B.The PORC recommend-7 8 9 80 tOpg ed taking the unit to cold shutdown.Leaks were found (cont'd.on attached sheet)80 7 8 9 PA0ME SYSTEM CAUSE COMPONENT CODE CODE COMPONENT CODE VIOIATION~a~~SF Z I I I Z X X N 7 8 9 10 11 12 17 43 44 47 CAUSE DESCRIPTION Qgg As a result of metallurgical analysis and metallographic examinations, chloride stress COMPONENT MANUFACTURER K 0 5 5 48 7 8 9 80 Qpg corrosion cracking is believed to be the cause of the leaks.Since this investigation 80 7 8 9~10 is continuing, further information will be submitted in a supplemental report.7 8 9 80 m near a valve in the Safety Injection System piping between the Boric Acid Tanks and 7 8 7 8 Q~g 7 8~13 7 8 7 8 OTHEA STATUS AMOUNT OF ACTIVITY NA OFFSITE CONSEQUENCES 9 FACIUTY 9 10 12 13 FORM OF ACTIVITY COATENT RELEASED OF RELEASE~S H 9 10 11 PERSONNEL EXPOSURES 9 11 12 13 PERSONNEL INJURIES 9 11 12 METHOD OF DISCOVERY DISCOVERY DESCRIPTION b By operator 44 45 46 LOCATION OF RELEASE NA 44 45 80 80 80 80 80 Press release on October 8, 1976 ADDITIONAL FACTORS NA 7 89'g NA 7 89 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION L See Event Description 7 89 10 PU8LICITY 7 89 80 80 80 7 89 , NAME C.E.Platt A.E.Curtis, III 80 PHDNEI 7 16/546-2700, ext.29 1-250 cpa ee1-eev  
UCENSEE                                                                             UCENSE                  EVENT NAME                               LICENSE NUMBER                                  TYPE                  TYPE
~(/~io 4 Licensee Event Report Reportable Occurrence 50-244/76-24 Event Descri tion (cont'd.)in two sections of pipe, and liquid penetrant and ultrasonic examination of 75 welds and the piping associated with those welds revealed five other sections of pipe or fittings with indications.
    ~01     N Y R           E   G   1       0   0   0       0   0   0   0   0     0         4   1     1   1   1     ~01
All seven of these components of the piping system containing leaks or indications were replaced.
                    ~
gt~~'~4a  
7    89                              14    15                                            25     26                     30     31     32 REPORT  AEPOAT CATEGORY                                  DOCKET NUMBER                         EVENT DATE                       AEPORT DATE
'~~.2'.%O RRCHe~i GAS re@FC,EC'.TWC O'CRPCSZC:Ember C a (ra./Wi:/~~~~a 8t&AS':P'AVPHU~
    ~01 CON'T                                        0   5   0   0       2   4   4         1   0     0   8     7   6       1     0'2       2   7   6 7 8            57      58      59      60    61                                 68   69                         74   75                           80 EVENT DESCRIPTION During normal operations an auxiliary operator found an accumulation of borated water 7    8 9                                                                                                                                                80 7
8'QCHERM'O'.Ã.
m89        near a valve in the Safety Injection System piping between the Boric Acid Tanks and 80 Safety Injection Pumps.                   Further investigation revealed a leak in a section of 8"
lM44e 1 C 4'E+k D!V C Avc>>tbsp>E'>t, 5<&PVCQ Gonna M-rt&#xc3;nn: Qctobex 1X 19 so-<<'t Zanea P.O'eCXX.p'.
                                                                                                                                              ~I 7   8 9 m8        Schedule 10 stainless steel pipe between valves 826A and 826B. The PORC recommend-80 7       9 ed taking the unit to cold shutdown. Leaks were found (cont'd. on attached sheet)                                                           80 tOpg 7 8 9                                                               PA0ME                                                                             80 SYSTEM       CAUSE                                     COMPONENT            COMPONENT CODE         CODE           COMPONENT CODE                               MANUFACTURER            VIOIATION
  ~a~     ~SF               Z           I   I   I Z   X X                           K  0    5    5              N 7 8 9 10                 11       12                       17       43         44                 47         48 CAUSE DESCRIPTION Qgg       As a result of metallurgical analysis and metallographic examinations,                                           chloride stress 7   8 9                                                                                                                                               80 Qpg       corrosion cracking is believed to be the cause of the leaks. Since this investigation 7     8 9 is continuing, further information will be submitted in a supplemental report.                                                               80
  ~10 7     8 9                                                                                                                                               80 FACIUTY                                                        METHOD OF OTHEA STATUS          DISCOVERY                        DISCOVERY DESCRIPTION b                By    operator 7   8       9               10           12 13                         44    45      46                                                              80 FORM OF ACTIVITY       COATENT RELEASED       OF RELEASE          AMOUNT OF ACTIVITY                                            LOCATION OF RELEASE Q~g          ~S               H                 NA                                                    NA 7    8      9                 10     11                                 44      45                                                                    80 PERSONNEL EXPOSURES
  ~13 7    8 9               11     12     13                                                                                                               80 PERSONNEL INJURIES 7    8 9               11   12                                                                                                                         80
'g 7     89 OFFSITE CONSEQUENCES NA LOSS OR DAMAGE TO FACILITY TYPE         DESCRIPTION L                         See Event Description 7     89         10                                                                                                                                   80 PU8LICITY Press release on October 8, 1976 7     89                                                                                                                                               80 ADDITIONAL FACTORS NA 7    89                                                                                                                                                80 7     89                                                                                                                                               80
                    , NAME           C. E. Platt A. E. Curtis, III                                 PHDNEI 7 16/546-2700,               ext.     29 1-250 cpa   ee1- eev
 
    /~   io
~ (
4
 
Licensee Event Report Reportable Occurrence 50-244/76-24 Event Descri tion (cont'd.)
in two sections of pipe, and liquid penetrant and ultrasonic examination of 75 welds and the piping associated with those welds revealed five other sections of pipe or fittings with indications. All seven of these components of the piping system containing leaks or indications were replaced.
 
gt ~
    ~'
~
4a
 
C a (ra./ Wi:/~
                                    ~                      ~
                                                                                      ~            ~
                                                                                                              ~
          .2'.%
O RRCHe~i                     GAS re@ FC,EC'.TWC O'CRPCSZC:Ember a   8t &AS':P'AVPHU~ 8'QCHERM'O'.&#xc3;. lM44e tbsp>E'>t, 1 C 4 'E + k D!VC Avc>>                       5<&PVCQ Gonna M-rt&#xc3;nn:
Qctobex 1X                   19 so- << 't Zanea P .O'eCXX.p'.
K K huelenx Regs~'cry'omnf:aaSen'.
K K huelenx Regs~'cry'omnf:aaSen'.
Mvwc+s.OLD~~
Mvwc+s.OLD~~ CC                   Rc QU28icDEp Opal&~.
CC Rc QU28icDEp Opal&~.R~gxozr.X&ST P~"CR.A~nuP-'imm;
R~gxozr. X
<<rZ P'~maPennsyXvarria' X94QS!Rrcsge~" K~aansam Eveer Repack f'T6-XIXIX=
&ST P~"CR.
Keak Err,&#xc3;" ScYr XQ.StarimXess; Sec"eX.~pc bsrweerr,~Evans$2SA anR'268 Deem He-O'"Reft.X~-=
P'~maPennsyXvarria' A~nuP-'imm;
TFlge fe cv caxrFZax~" pIroxte c'aE1'.WM N=John: H'annan: M your: ofhce'xv oc~bm 81'976.cancmenLng:
        <<rZ                                             X94QS!
the sbova Licensee.P~~epar=e O'C X~'m 0'mc;ahem S5976 a XeaR.mac cftacouevect err.~.aucti'orr.
Rrcsge~"                   K~aansam Eveer Repack f'T6-XIXIX= Keak               Err, &#xc3;" ScYr     XQ. StarimXess; Sec"eX. ~pc bsrweerr, ~Evans $2SA anR'268 Deem   He- O'"Reft.X~-=
o K" 5'ejxad'-.
TFlge   fe   cv caxrFZax               ~" pIroxte c'aE1'. WM N= John: H'annan: M your:             ofhce'xv oc~bm 81'976.                     cancmenLng: the sbova Licensee. P~~epar=e O'C X~'m 0'mc;ahem                     S5976 a XeaR .mac cftacouevect err. ~. aucti'orr. o K" 5'ejxad'-.
uXe M'cmim3'em@,~~aT pL~a: Bete:carr.
uXe M'cmim3'em@,                     ~~aT pL~a: Bete:carr. va'Aves- 82&@ am% $266 . ll>fs: pipe. i;o part; cd     tFve''np.                 bene:zen. t%v ZeaSe     A+M'anha     ansR   che. Sammy. Xrrj'ecrxoxr Pumps       The Xeak>> was; spp=ozimawIy                     3''2.'" Xoxrg ancL: vas: s cfzc~Hmr.rrtia'7 Xmk'i.catxazc, ax@ top of tTre pipe approxfwateIy'/2!" dmmaaxeam oX'he= w+Xc%
va'Aves-82&@am%$266.ll>f s: pipe.i;o part;cd tFve''np.bene:zen.t%v ZeaSe A+M'anha ansR che.Sammy.Xrrj'ecrxoxr Pumps The Xeak>>was;spp=ozimawIy 3''2.'" Xoxrg ancL: vas: s cfzc~Hmr.rrtia'7 Xmk'i.catxazc, ax@top of tTre pipe approxfwateIy'/2!" dmmaaxeam oX'he=w+Xc%Stean.the: aami;orr.mK ape.arrd'."~~Erne 826k<<.Trre scnciorr.vaa shue: 8'orna at X7ZL em Ccteber SX976'nd:
Stean.       the: aami;orr. mK ape. arrd'."~~Erne 826k<<.
war xn: thm coXd'Butdrrwn condktf ox@et;0705'n: Qc<a&ax 9 X976 Zm~mstfgeeSon.
Trre scnciorr.                 vaa shue: 8'orna at X7ZL em Ccteber SX976'nd: war xn: thm condktf ox@ et; 0705'n: Qc<a&ax 9 X976 Zm~mstfgeeSon. into the                                     coXd'Butdrrwn cause of;, t%e lech. snN repai'ru thyrse &XX ba made ar.e cantIeui~p
into the cause of;, t%e lech.snN repai'ru thyrse&XX ba made ar.e cantIeui~p
                                                                                        ~
~~W58'a beXrrg xepprEad" aaa~d1ng~XeebntcaX.
                                                          ~
SpneeffXeaeI'are 6 9~'aey tnrXy".yourm Chaff.es;H P3.act SuperLat~nderrt:
                                                                                          ~
mF=Cab cc"-c S svaz'tlrout E D'hxmZm J 3:St'ta}}
W58'a beXrrg xepprEad" aaa~d1ng                               XeebntcaX. SpneeffXeaeI'are       6 9
                                                                                                        ~'aey tnrXy". yourm Chaff.es;   H   P3.act SuperLat~nderrt:
mF =Cab cc"- c     S               svaz'tlrout E     D'hxmZm J     3:St'ta}}

Latest revision as of 00:34, 3 February 2020

LER 1976-024-00 for R. E. Ginna, Unit 1, Accumulation of Borated Water Near Valve in Safety Injection System Piping Between Boric Acid Tanks and Safety Injection Pumps
ML18142B249
Person / Time
Site: Ginna Constellation icon.png
Issue date: 10/22/1976
From: Curtis A, Platt C
Rochester Gas & Electric Corp
To:
Office of Nuclear Reactor Regulation
References
LER 1976-024-00
Download: ML18142B249 (6)
v • d • e


Text

LER 76-24/1T II LICENSEE EVENT REPOR CONTROL BLOCK: (PLMSE PRINT ALL REQUIRED INFORI'JPATIDN)

UCENSEE UCENSE EVENT NAME LICENSE NUMBER TYPE TYPE

~01 N Y R E G 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 ~01

~

7 89 14 15 25 26 30 31 32 REPORT AEPOAT CATEGORY DOCKET NUMBER EVENT DATE AEPORT DATE

~01 CON'T 0 5 0 0 2 4 4 1 0 0 8 7 6 1 0'2 2 7 6 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION During normal operations an auxiliary operator found an accumulation of borated water 7 8 9 80 7

m89 near a valve in the Safety Injection System piping between the Boric Acid Tanks and 80 Safety Injection Pumps. Further investigation revealed a leak in a section of 8"

~I 7 8 9 m8 Schedule 10 stainless steel pipe between valves 826A and 826B. The PORC recommend-80 7 9 ed taking the unit to cold shutdown. Leaks were found (cont'd. on attached sheet) 80 tOpg 7 8 9 PA0ME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE MANUFACTURER VIOIATION

~a~ ~SF Z I I I Z X X K 0 5 5 N 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION Qgg As a result of metallurgical analysis and metallographic examinations, chloride stress 7 8 9 80 Qpg corrosion cracking is believed to be the cause of the leaks. Since this investigation 7 8 9 is continuing, further information will be submitted in a supplemental report. 80

~10 7 8 9 80 FACIUTY METHOD OF OTHEA STATUS DISCOVERY DISCOVERY DESCRIPTION b By operator 7 8 9 10 12 13 44 45 46 80 FORM OF ACTIVITY COATENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE Q~g ~S H NA NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES

~13 7 8 9 11 12 13 80 PERSONNEL INJURIES 7 8 9 11 12 80

'g 7 89 OFFSITE CONSEQUENCES NA LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION L See Event Description 7 89 10 80 PU8LICITY Press release on October 8, 1976 7 89 80 ADDITIONAL FACTORS NA 7 89 80 7 89 80

, NAME C. E. Platt A. E. Curtis, III PHDNEI 7 16/546-2700, ext. 29 1-250 cpa ee1- eev

/~ io

~ (

4

Licensee Event Report Reportable Occurrence 50-244/76-24 Event Descri tion (cont'd.)

in two sections of pipe, and liquid penetrant and ultrasonic examination of 75 welds and the piping associated with those welds revealed five other sections of pipe or fittings with indications. All seven of these components of the piping system containing leaks or indications were replaced.

gt ~

~'

~

4a

C a (ra./ Wi:/~

~ ~

~ ~

~

.2'.%

O RRCHe~i GAS re@ FC,EC'.TWC O'CRPCSZC:Ember a 8t &AS':P'AVPHU~ 8'QCHERM'O'.Ã. lM44e tbsp>E'>t, 1 C 4 'E + k D!VC Avc>> 5<&PVCQ Gonna M-rtÃnn:

Qctobex 1X 19 so- << 't Zanea P .O'eCXX.p'.

K K huelenx Regs~'cry'omnf:aaSen'.

Mvwc+s.OLD~~ CC Rc QU28icDEp Opal&~.

R~gxozr. X

&ST P~"CR.

P'~maPennsyXvarria' A~nuP-'imm;

<<rZ X94QS!

Rrcsge~" K~aansam Eveer Repack f'T6-XIXIX= Keak Err, Ã" ScYr XQ. StarimXess; Sec"eX. ~pc bsrweerr, ~Evans $2SA anR'268 Deem He- O'"Reft.X~-=

TFlge fe cv caxrFZax ~" pIroxte c'aE1'. WM N= John: H'annan: M your: ofhce'xv oc~bm 81'976. cancmenLng: the sbova Licensee. P~~epar=e O'C X~'m 0'mc;ahem S5976 a XeaR .mac cftacouevect err. ~. aucti'orr. o K" 5'ejxad'-.

uXe M'cmim3'em@, ~~aT pL~a: Bete:carr. va'Aves- 82&@ am% $266 . ll>fs: pipe. i;o part; cd tFvenp. bene:zen. t%v ZeaSe A+M'anha ansR che. Sammy. Xrrj'ecrxoxr Pumps The Xeak>> was; spp=ozimawIy 32.'" Xoxrg ancL: vas: s cfzc~Hmr.rrtia'7 Xmk'i.catxazc, ax@ top of tTre pipe approxfwateIy'/2!" dmmaaxeam oX'he= w+Xc%

Stean. the: aami;orr. mK ape. arrd'."~~Erne 826k<<.

Trre scnciorr. vaa shue: 8'orna at X7ZL em Ccteber SX976'nd: war xn: thm condktf ox@ et; 0705'n: Qc<a&ax 9 X976 Zm~mstfgeeSon. into the coXd'Butdrrwn cause of;, t%e lech. snN repai'ru thyrse &XX ba made ar.e cantIeui~p

~

~

~

W58'a beXrrg xepprEad" aaa~d1ng XeebntcaX. SpneeffXeaeI'are 6 9

~'aey tnrXy". yourm Chaff.es; H P3.act SuperLat~nderrt:

mF =Cab cc"- c S svaz'tlrout E D'hxmZm J 3:St'ta

Retrieved from "https://kanterella.com/w/index.php?title=ML18142B249&oldid=2404476"