05000348/LER-1979-009-03, /03L-0 on 790216:during Plant Startup W/Reactor & Steam Generator Controls Manual & Steam Dumps in Automatic, Steam Dumps Occurred.Temp Average Reduced to 538 F.Personnel Reinstructed

From kanterella
(Redirected from ML19283B774)
Jump to navigation Jump to search
/03L-0 on 790216:during Plant Startup W/Reactor & Steam Generator Controls Manual & Steam Dumps in Automatic, Steam Dumps Occurred.Temp Average Reduced to 538 F.Personnel Reinstructed
ML19283B774
Person / Time
Site: Farley Southern Nuclear icon.png
Issue date: 03/14/1979
From: Hairston W
ALABAMA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19283B767 List:
References
LER-79-009-03L, LER-79-9-3L, NUDOCS 7903190286
Download: ML19283B774 (1)
v • d • e


LER-1979-009, /03L-0 on 790216:during Plant Startup W/Reactor & Steam Generator Controls Manual & Steam Dumps in Automatic, Steam Dumps Occurred.Temp Average Reduced to 538 F.Personnel Reinstructed
Event date:
Report date:
3481979009R03 - NRC Website
v • d • e

text

u. a. nuws. san n auwa.n s un e wu..

..u.u.,

NRC FORM 36G (7-77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l lh (PLEASE PRINT OR TYPE alt. REQUIRED INFORMATION) 6 l0 l1l l A lL lJ lM lF l1 l@l 0l 0l - 0l0l0l0l0l-l0l0l@l4 1l1l1l1l@l l

lg 7

8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 40 57 CAT $3 CON'T L @l0 l 5 l0 l0 l013 l4 l8 l@l 0] 21 1l 6l 7l 9l@l013 l1 l 4 l 7 l 9 l@

0 1

SOURCE 7

8 60 61 OOCKET NUMB ER 68 69 EVENT OATE 74 75 REPORT DAT E 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h l C l 2 l l At 2303.on 2-16-79 while conducting a plant S/U with ret tor and steam generator l

10l3ll controls in manual and the steam dumps in auto on the pressure controller, excessive l

1014 l l0Pening of the steam dumps occurred causing a reduction in Tavg to 538 F.

Tech. Spec.[

1015 l3.1.1.5 requires RCS temp. to be 541 F or greater.

Steam dumps were turned off and j

t I avg was restored to greater than 541 F at 2308 on 2-16-79.

Action statement require-l T

FO 6

l 0 l 7 l lments of Tech. Spec. 3.1.1.5 were met.

Health / safety of public not affected.

[

O 8 l 80 DE CO E S BC E COMPONENT CODE StsCOO'E S

E lc lc l@ I A @ LAJ @ l v l A l L l V l E l X lh l X lh [B_l h O

9 7

8 9

10 11 12 IJ 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER EVENT YEAR REPORT NO.

CODE TYPE N O.

@ sgg/Ro 17 19 l l--J l 0l 0l 9l (f_.l loI1l l_I,_j l-l l,9j a

25 22 23 24 26 27 28 29 30 31 32 KN AC 0 ON PL NT MET HOURS SB i FOR1 9.

SUPPLIE

  • MAN FA URER (X__j@l Hl@

LzJ@

I._zJ@

l 01010l 01 i Nl@

lNI@

l Al@

l Fl Il 3 l Ol@

33 34 35 M

J/

40 46 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l t l 0 l lTavg decrease occurred because excessive valve opening resulted from incorrect setpointl jon the steam dump pressure controller. Steam dumps were turned off and Tavg was t

i i

l i 12 I Irestored to greater than 541 F at 2308 on 2-16-79.

Operations personnel will be l

,, ; 3 g l instructed regarding the potential for reoccurrence with pressure controller setpoints i,,4ggless than 1005 psig. Also, a design change has been requested to prevent controller l

~

so 7

8 9 winoup.

'ST2ES sPowER OTHER STATUS 015 O RY DISCOVERY DESCRIPTION NA l

l,_Aj@loperatorobservation l

l i l 5 l (_CJh l Ol 0l 8 l@l A DVITY CO TENT RELEASED OF RELE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE l

I3I6I d h d h NA l

l NA 7

8 9 10 11 44 45 80 PERSONNEL EXPOSURES l 0 l 0 l 0 l@l Z l@ DESCRIPTION

.^

NUMBER TYPE l

NA 1

7

,E RSON~ d'l~2u'4 E S DESCniPTiONh NuveER li IR I lo I o l o l@l NA 7

8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE

DESCRIPTION

l 1 TR l.2.J@l N^

7 8 9 to 80 ISSUE @L"SCRiPnO~@

7903190276 NRC USE ONW dl i

11llllLillfil; 2

O m

7 8 9 10 69 69 BJ ;

o NO W-91%

t NAME OF PREPARERW. G. Hairston. IIT pu o E:

Retrieved from "https://kanterella.com/w/index.php?title=05000348/LER-1979-009-03,_/03L-0_on_790216:during_Plant_Startup_W/Reactor_%26_Steam_Generator_Controls_Manual_%26_Steam_Dumps_in_Automatic,_Steam_Dumps_Occurred.Temp_Average_Reduced_to_538_F.Personnel_Reinstructed&oldid=4837634"