ML19270H384
| ML19270H384 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 04/07/1979 |
| From: | Ashenden M, Cottle W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML19270H381 | List: |
| References | |
| FOIA-79-98 TI-2595-2, NUDOCS 7906290288 | |
| Download: ML19270H384 (3) | |
Text
.
~
yy3; g g~
~*
,s P.er.e'l of 2 Ci FICE OF ' NM.E'.1.' ON AND tr t F.cr"':-
36W M " 1. I N.C' Fr* *.:R PA T I '*.:F~ r: 4 7 4/7/79 nte Oconee 1, 2, 3
- .w h ),_B.
Cottle
_h _Ashenden
- i. enc e.s ! Pl.s n l.
- e. l. i t. w '
Uni _t,s 1 and_,3 1002:,, Unit 2 at 90': During.. Condenser Tube Leak Repairs 4.
h view of S[ mil,ir Trancients (1 tem 2 of ;" '9-0 Ws:
Completed review of Oconee events involving loss of feedwater transients, ESF actuation, and quinch tank problem.
Selected events have been reviewed by RI.
F.e v i.. w,.in ! Res i.u o 1 o f s'.per e. r i n g an<8 ? !. ' n t.,.w.
2 I'-"c...t u r t s fit;ms,3, 4, 5, 7, 3, 9, 10 of ICS79-05A):
Item 3 - Procedures have been reviewed by the station.
Some changes have been implemented, and other recommendations are being considered.
Item 4 - Operating procedures and training instruction have been reviewed.
Management has reviewed with station personnel the circumstances under which auto actuation of ESF may be over riden.
Procedures implemented to require SI remain on line as prescribed by IEB 79-05A. (Para. 4)
Item 5 - Required valve positions for ESP equipment have been reviewed on flow diagrams.
Valve lineups have been physically checked against procedures (outside containment) for all 3 units for:
Reactor Building Spray 2325 231 High Pressure Injection Low Pressure Injection Emergency Feedwater
- I.ow Pressure Service Water (only portion that support ESF)
Related procedures have been reviewed to provide assurance vlaves are returned to the proper posftion.
Item 7 - Valves in Auxiliary Fecdwater that require locking have been identified, locks ordered, and are being verified once per shif t.
Item 8 - Only one auxiliary feedwater system available on each unit.
Instruction issued to shutdown within one hour if this system become degraded.
7906290M NS 9g a
a c
1.b CONTINUED
^
I_ tem 9 - Review of procedures for transfer of radioactive gases and liquids out of containment is complete - revised to add caution and only permit manual transfer.
_ Item 10 - Maintenance and test procedures are being reviewed to assura equipnent is properly returned to normal.
Review and Implementation of Changes in containment Isolation c.
(Item 6 IEB 79-054A):
Being reviewed - no changes have been i=plemented.
d.
Training of Plant Personnel (Items 1, 4, 11 and plant / procedures changes):
No Report 2325 232 O
'e e
. ~
1 TI ?T35/2
~
Att.schment 1 Para ? of 2 SUM."ARY Cr NRC I'3?ECTON AC f!V !n lit;:.:1, r :',, : i!. April 6, 8 AM to April 7, 8 AM
"~
(Addresa items 1.a thin 2.d
.ib..,c,
- ,li e.un...
Ini!. pendent /signif f eant effort, i'd e n t i f y
.4 h i f t a. o
- vhic h.< e t ! v : * * *.t a d.ne during past 24 houts)
Reviewed the status of licensce's response to IES79-05A, including inplementation of Pr'ocedure Changes required by Item 4b and 4c.
Verified Item 8.
Responded to requests for information.
3.
!! ATt'e or !N5PCCTCi; !;i.v'n P;e.;i 'H "rx. "
- n. l!..
n 34 of 51 licensed person >si briefed by the RI.
Additional briefing will be completed as ot'aer crews report for work (4/10/79).
4 DESCRIPTlCN OF '!CNERA1. n. ANT S1.V"5 t' f. c.,
.y.r r v.i ne povc r l evel, planne.d c n.utges. 5ehc.tuled Outage. ISF not o f -e rv i i. iz, re lor naintenance, reportabic uceurrence?, etc.)
Unit 1 100%
Unit 3 100 Unit 2 90%
Testing to determine source of condenser leak in Unit 2.
No ESF out of service; no reportable occurrence; and no najor maintenance scheduled. Unit scheduled for refueling outage beginning 5/18/79.
2325 233 D**D D ~TM &
J L O hl a
1
,e
.