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{{#Wiki_filter:b'Unit 2 LICLNSLL LVi N 4 it Ll'Ull I Re po r t. | {{#Wiki_filter:b ' | ||
No.CONTHot utoCK. l | Unit 2 LICLNSLL LVi N 4 it Ll'Ull I Re po r t. No. | ||
CONTHot utoCK. l l l l l l l ii.LE ASE PHINT oR T YPE ALL REQUlHED INFORMATIONI i ,, | |||
b a s PlAlPlB lSl2l@!0lOI-l0 l Ol O! 0 uCENsEE CooE 14 is uCEwE Nu .mv. | |||
0 I - l 0 l 0nl@la,4 l 1ucENsE l1 1IIl@Iu'^rw T vat es I l@ | |||
* | *s'T i-l 7,TS l Ll@l0 I s I O 0 1 O!2 17 1_j@l 7 1 11 IO 11 71 9 l@l 11 11 11 617 i 9 l@ | ||
I b 9#$YST E M C A UL E CAME CGMP VALVE CODE Co0E SudCCOE CO'.1PONtNT CODE huuCODE SubCOOL[ <>lR l Bl @ lB [ @ [A l @ | EVENT DESC IPTION A 'O pro 0AB E C S NCES I :r l As tart of the inspecticn progran being performed in respcnse to IE Bul- 1 | ||
S Ul P l 0 l R lT l@ l Aj@ l zl @ | ,3 l letin 79-02, an engineering review of vendor design revealed that four ] | ||
8 0 10 11 17 13 id 19 20' ( UUf N1l A L OCCuh Ht M:t ntPOR1 HIV'SION | 4 i seismic supports associated with the 1" control rod drive piping had l | ||
'TTl I anchor bolts with design safety factors less than 2. Four of the six l c I anchcr bolts on each support were found to have safety factors less than l i 1 2. Failure of the supported piping would not have prevented the control | |||
* | * l FG 1 rods from scrm Ng. I b 9 # | ||
$YST E M C A UL E CAME CGMP VALVE CODE Co0E SudCCOE CO'.1PONtNT CODE huuCODE SubCOOL | |||
[ <> lR l Bl @ lB [ @ [A l @ S Ul P l 0 l R lT l@ l Aj@ l zl @ | |||
Pat iMtit H IvPL bl LLleil' l H 3'4 II l 010 l Oj@l Z @l | 8 0 10 11 17 13 id 19 20 | ||
'W | ' ( UUf N1l A L | ||
. OCCuh Ht M:t ntPOR1 HIV'SION | |||
I vPt O(L(pierigag m izle!n 3 w9% . | _ EVENT YE AR RLPQHT NO CODE TYPE NO. | ||
@ ,"LE i"g nsnQI 71 o l l-l l 01 hl 91 l/l lo 11 l l Tl l-l l ol | |||
_ 21 22 23 V4 4G /# /H .''l 30 Ji 32 ACTION rotunt EFFECT $HU I DOWN A T1 ACHYE NT P.Pn O 4 PnlME COvP COYPONENT TAKEN ACTION CN PLAP4 T METHCO HOVHS ./ SbuMITTED FOHMbuH SU PP LI E n MANUFACTunER lF!@lFl@ lZl@ | |||
33 34 35 lz@ | |||
3 r. 31 Ol01Ol0l ao | |||
[Y @ | |||
41 lU @ | |||
42 43 Al@ 44 3 2l O l 91@41 CAUSE oESCRIPTioN AND CORRECTIVE ACTIONS O lN, von-censerntive cendition was caused by an engineering design l Ii Ideficiency. A redesien was terforced and corrective actions implemented I i> l within 7 days. The anchor bolt safety factors of the above support s new I | |||
, ! l exceed ''. Future rework will be nerformed to bring the safety factors up 1 iB l to 5 1 0 9 80 | |||
.FA(H11V q VI IHt 3P ilF * , e ST/M UN 9 OTHEnLIATV5 l)1Lf QVi llY Ut'sCOV EHY DESCHiPfiUN -> | |||
"!9 l ^ @ lo .PGAkHl9l9@lNA lDl@lReviewofVendordesign. l | |||
" JTiv. , Y '' " " " '"- | |||
coLNT '"' | |||
nEum.En nr m u m LonO~0,REuAsE@ | |||
AMc,uNT o AC1 virv @ l NA A 1zl@Izl@l 8 9 10 ?I NA 44 l | |||
45 80 l | |||
PI H'.or.t4( < l s PO'.uf t E r. | |||
Pat iMtit H IvPL bl LLleil' l H 3'4 II i> l 010 l Oj@l Z @l NA l l't H hQP.N L INJUtIES | |||
' | |||
W b) f3 P.HYtlE R 'f 11 | |||
'I l I O 10 10 l@CE5CHIPTION d 'A 11 l | |||
12 NA J u A b A /N. a l Up t O% Or OH isAMAoE TO F ACiLITY . | |||
I vPt O(L(pierigag m izle! | |||
Il 9 10 n 3 w9 % . | |||
p | |||
* o IN I".5Ull[@ltSLHtPflON NA l l l l tll11lt il ll 44 'J 183 c.C se9 c0 & | |||
* | |||
* NAME OF PREPAHEH P*lON E-}} |
Revision as of 12:33, 19 October 2019
ML19210D625 | |
Person / Time | |
---|---|
Site: | Peach Bottom |
Issue date: | 11/16/1979 |
From: | Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
Shared Package | |
ML19210D618 | List: |
References | |
LER-79-049-01T, LER-79-49-1T, NUDOCS 7911270405 | |
Download: ML19210D625 (1) | |
Text
b '
Unit 2 LICLNSLL LVi N 4 it Ll'Ull I Re po r t. No.
CONTHot utoCK. l l l l l l l ii.LE ASE PHINT oR T YPE ALL REQUlHED INFORMATIONI i ,,
b a s PlAlPlB lSl2l@!0lOI-l0 l Ol O! 0 uCENsEE CooE 14 is uCEwE Nu .mv.
0 I - l 0 l 0nl@la,4 l 1ucENsE l1 1IIl@Iu'^rw T vat es I l@
- s'T i-l 7,TS l Ll@l0 I s I O 0 1 O!2 17 1_j@l 7 1 11 IO 11 71 9 l@l 11 11 11 617 i 9 l@
EVENT DESC IPTION A 'O pro 0AB E C S NCES I :r l As tart of the inspecticn progran being performed in respcnse to IE Bul- 1
,3 l letin 79-02, an engineering review of vendor design revealed that four ]
4 i seismic supports associated with the 1" control rod drive piping had l
'TTl I anchor bolts with design safety factors less than 2. Four of the six l c I anchcr bolts on each support were found to have safety factors less than l i 1 2. Failure of the supported piping would not have prevented the control
- l FG 1 rods from scrm Ng. I b 9 #
$YST E M C A UL E CAME CGMP VALVE CODE Co0E SudCCOE CO'.1PONtNT CODE huuCODE SubCOOL
[ <> lR l Bl @ lB [ @ [A l @ S Ul P l 0 l R lT l@ l Aj@ l zl @
8 0 10 11 17 13 id 19 20
' ( UUf N1l A L
. OCCuh Ht M:t ntPOR1 HIV'SION
_ EVENT YE AR RLPQHT NO CODE TYPE NO.
@ ,"LE i"g nsnQI 71 o l l-l l 01 hl 91 l/l lo 11 l l Tl l-l l ol
_ 21 22 23 V4 4G /# /H .l 30 Ji 32 ACTION rotunt EFFECT $HU I DOWN A T1 ACHYE NT P.Pn O 4 PnlME COvP COYPONENT TAKEN ACTION CN PLAP4 T METHCO HOVHS ./ SbuMITTED FOHMbuH SU PP LI E n MANUFACTunER lF!@lFl@ lZl@
33 34 35 lz@
3 r. 31 Ol01Ol0l ao
[Y @
41 lU @
42 43 Al@ 44 3 2l O l 91@41 CAUSE oESCRIPTioN AND CORRECTIVE ACTIONS O lN, von-censerntive cendition was caused by an engineering design l Ii Ideficiency. A redesien was terforced and corrective actions implemented I i> l within 7 days. The anchor bolt safety factors of the above support s new I
, ! l exceed . Future rework will be nerformed to bring the safety factors up 1 iB l to 5 1 0 9 80
.FA(H11V q VI IHt 3P ilF * , e ST/M UN 9 OTHEnLIATV5 l)1Lf QVi llY Ut'sCOV EHY DESCHiPfiUN ->
"!9 l ^ @ lo .PGAkHl9l9@lNA lDl@lReviewofVendordesign. l
" JTiv. , Y " " " '"-
coLNT '"'
nEum.En nr m u m LonO~0,REuAsE@
AMc,uNT o AC1 virv @ l NA A 1zl@Izl@l 8 9 10 ?I NA 44 l
45 80 l
PI H'.or.t4( < l s PO'.uf t E r.
Pat iMtit H IvPL bl LLleil' l H 3'4 II i> l 010 l Oj@l Z @l NA l l't H hQP.N L INJUtIES
'
W b) f3 P.HYtlE R 'f 11
'I l I O 10 10 l@CE5CHIPTION d 'A 11 l
12 NA J u A b A /N. a l Up t O% Or OH isAMAoE TO F ACiLITY .
I vPt O(L(pierigag m izle!
Il 9 10 n 3 w9 % .
p
- o IN I".5Ull[@ltSLHtPflON NA l l l l tll11lt il ll 44 'J 183 c.C se9 c0 &
- NAME OF PREPAHEH P*lON E-