ML19322A380: Difference between revisions

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| contact person =  
| contact person =  
| document report number = NUDOCS 7910150478
| document report number = NUDOCS 7910150478
| document type = REPORTABLE OCCURRENCE REPORT (SEE ALSO AO,LER), TEXT-SAFETY REPORT
| document type = REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER), TEXT-SAFETY REPORT
| page count = 2
| page count = 2
}}
}}
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=Text=
=Text=
{{#Wiki_filter:..
{{#Wiki_filter:..
PttII.ADET.PitI A ELECTRTC' .'.OMPANY Psech Bottom Atourie Power Statiew Delta, Pennsylvania 17314 October 5, 1979' Mr. Beyce M. Grier Office of Inspection and Enforcement Region i United Statee Foclear Regwiatory Commission 631. Purk Avenue Eing of Frussia,, PA.       194%                         *
PttII.ADET.PitI A ELECTRTC'.'.OMPANY Psech Bottom Atourie Power Statiew Delta, Pennsylvania 17314 October 5, 1979' Mr. Beyce M.
Grier Office of Inspection and Enforcement Region i United Statee Foclear Regwiatory Commission 631. Purk Avenue Eing of Frussia,, PA.
194%


==SUBJECT:==
==SUBJECT:==
NEFORTABLE OCCURRENCE - Ph TMPT NOTI.IICATION:
NEFORTABLE OCCURRENCE - Ph TMPT NOTI.IICATION:
Confi rwirrg W. T. 5Htrich's conYerSMC19n With Mr.-
Confi rwirrg W.
Megion 1 United States Nuclear Reguistory Coanission on G r *
T. 5Htrich's conYerSMC19n With Mr.-
* P't a n ,
G r *
October 3,. 1977.
* P't a n,
Roferen ce-   Becket No. 50-778-Peach Bett.on Uni e 3 Technicv1 Specification Ref erwnees:.         6. 9 . 2 . = ( 9 ) ,, 3 5 F.3 Report N1>. J-79-32/1F Occurrence Date:-     Octuber     5,, 1979 Iden tific ation of Occurrence:.
Megion 1 United States Nuclear Reguistory Coanission on October 3,. 1977.
The   continuing seiswie anciver inspection program being perf >rmmi in response ta     t.E. h11et in 79-07 has identi fi ad a- Nilure in one suppo.rt associated with the hit 3 emergency seevica. water roturn line Erom the room coolers enst t h e oil cocFars fer the AEC core sprzy pumps.
Roferen ce-Becket No. 50-778-Peach Bett.on Uni e 3 Technicv1 Specification Ref erwnees:.
: 6. 9. 2. = ( 9 ),, 3 5 F.3 Report N1>.
J-79-32/1F Occurrence Date:-
Octuber 5,,
1979 Iden tific ation of Occurrence:.
The continuing seiswie anciver inspection program being perf >rmmi in response ta t.E. h11et in 79-07 has identi fi ad Nilure in a-one suppo.rt associated with the hit 3 emergency seevica. water roturn line Erom the room coolers enst t h e oil cocFars fer the AEC core sprzy pumps.
Apparent Cause of Occtrrrence :
Apparent Cause of Occtrrrence :
Icproper installation of enchet helt.
Icproper installation of enchet helt.
Analys is of Occurrence :
Analys is of Occurrence :
During the in stree t ion of ancher 3-31 HR-4 04           two haits fa.i1-d to nehieve torque r=amirements cansing the infety Ese m to d r at.
During the in stree t ion of ancher 3-31 HR-4 04 two haits fa.i1-d to nehieve torque r=amirements cansing the infety Ese m to d r at.
below 2. The s a fe ty significance is minimal he c sors e Unit 3 react or is in the cold shutdown etmd t tion during refueling e n d-therefore the eere spray system is not re9wiv=4 tw he overshle.
below 2.
The s a fe ty significance is minimal he c sors e Unit 3 react or is in the cold shutdown etmd t tion during refueling e n d-therefore the eere spray system is not re9wiv=4 tw he overshle.
Corrective Actlen:
Corrective Actlen:
Seismic swpport 3 . MR-S19M is. =w anchm- with on e             4 tm l e b:rw.
Seismic swpport 3. MR-S19M is. =w anchm-with on e 4 tm l e b:rw.
plate. Rep isc e=m t vf the 2 f ailed hot ts with C nitti wwik halts will be initd eted.       Plate washer = wilt be in.+tatlad w ay tha h e l.t.s t re campty with the b o l t- hoile zmp erlesrinn if nwces==rv..             Tha attainment o f an accep tab te- safety factor is antici:>ated witlen howys.                                                                             "'4q p
plate.
1 TWS DOCUMENT CONTAINS P00R QUAUTY PAGES                         7910150 4-9 7 I
Rep isc e=m t vf the 2 f ailed hot ts with C nitti wwik halts will be initd eted.
Plate washer = wilt be in.+tatlad w ay tha h e l.t.s t re campty with the b o l t-hoile zmp erlesrinn if nwces==rv..
Tha attainment o f an accep tab te-safety factor is antici:>ated witlen howys.
"'4q p
1 TWS DOCUMENT CONTAINS P00R QUAUTY PAGES 7910150 4-9 7 I


_ .          . _ .. .. _ . _ . _ . -                    ..                                                                                  .w     _
.w
                                                                                                                    - . . - - _        --    -  .e.-                _ ..                . . - - --
.e.-
4 Previous Tailures:
4 Previous Tailures:
1 2-79-37/17                                                                                                                                                                                               l 2-79-35/IP                                                 ..          - . . .      . .                    --. .
2-79-37/17 2-79-35/IP 3-T?-19/IP 3-TS-73/1P 3--T9-25/IP 3-79-26/1P 2-79 Md1P 3-T9-30/1F 3-79-31/17 7ery truly yeurs,
1 1
3-T?-19/IP                                                                                                                                                                                               l 3-TS-73/1P 3--T9-25/IP 3-79-26/1P                                                                                 - - - -
2-79 Md1P 3-T9-30/1F 3-79-31/17 7ery truly yeurs,
: v. T, U urieb Statien Superintenderrt
: v. T, U urieb Statien Superintenderrt
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Latest revision as of 02:00, 1 January 2025

RO-3-79-32/1P:on 791005,insp Performed Re IE Bulletin 79-02 Revealed Failure of Supports in Emergency Svc Water Return Line.Caused by Improper Installation of Anchor Bolts.Plate Washers Will Be Installed Over Bolts
ML19322A380
Person / Time
Site: Peach Bottom 
Issue date: 10/05/1979
From: Ullrich W
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
References
NUDOCS 7910150478
Download: ML19322A380 (2)
v • d • e


Text

..

PttII.ADET.PitI A ELECTRTC'.'.OMPANY Psech Bottom Atourie Power Statiew Delta, Pennsylvania 17314 October 5, 1979' Mr. Beyce M.

Grier Office of Inspection and Enforcement Region i United Statee Foclear Regwiatory Commission 631. Purk Avenue Eing of Frussia,, PA.

194%

SUBJECT:

NEFORTABLE OCCURRENCE - Ph TMPT NOTI.IICATION:

Confi rwirrg W.

T. 5Htrich's conYerSMC19n With Mr.-

G r *

  • P't a n,

Megion 1 United States Nuclear Reguistory Coanission on October 3,. 1977.

Roferen ce-Becket No. 50-778-Peach Bett.on Uni e 3 Technicv1 Specification Ref erwnees:.

6. 9. 2. = ( 9 ),, 3 5 F.3 Report N1>.

J-79-32/1F Occurrence Date:-

Octuber 5,,

1979 Iden tific ation of Occurrence:.

The continuing seiswie anciver inspection program being perf >rmmi in response ta t.E. h11et in 79-07 has identi fi ad Nilure in a-one suppo.rt associated with the hit 3 emergency seevica. water roturn line Erom the room coolers enst t h e oil cocFars fer the AEC core sprzy pumps.

Apparent Cause of Occtrrrence :

Icproper installation of enchet helt.

Analys is of Occurrence :

During the in stree t ion of ancher 3-31 HR-4 04 two haits fa.i1-d to nehieve torque r=amirements cansing the infety Ese m to d r at.

below 2.

The s a fe ty significance is minimal he c sors e Unit 3 react or is in the cold shutdown etmd t tion during refueling e n d-therefore the eere spray system is not re9wiv=4 tw he overshle.

Corrective Actlen:

Seismic swpport 3. MR-S19M is. =w anchm-with on e 4 tm l e b:rw.

plate.

Rep isc e=m t vf the 2 f ailed hot ts with C nitti wwik halts will be initd eted.

Plate washer = wilt be in.+tatlad w ay tha h e l.t.s t re campty with the b o l t-hoile zmp erlesrinn if nwces==rv..

Tha attainment o f an accep tab te-safety factor is antici:>ated witlen howys.

"'4q p

1 TWS DOCUMENT CONTAINS P00R QUAUTY PAGES 7910150 4-9 7 I

.w

.e.-

4 Previous Tailures:

2-79-37/17 2-79-35/IP 3-T?-19/IP 3-TS-73/1P 3--T9-25/IP 3-79-26/1P 2-79 Md1P 3-T9-30/1F 3-79-31/17 7ery truly yeurs,

v. T, U urieb Statien Superintenderrt
  • 3dIT:1Jh W W

'W

  • W 4'W FW"m=

' '= ' w wW ye we me '

y y eyw w g qq - y,,, 9g,

,,p e

A A A A 4 A 4 4 4 e a A r. e e es a e 4 4 4.,

a geeg,ggggagggaggggggggeeggggggggggggggggg,gggggg3 g,ggg,,

,g g,ggggggg,

?

4

ioe,

. O e

em

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