05000255/LER-1981-032-01, /01T-0:on 810821,during Resin Sluicing,Abnormally High Pressure Exceeded Setpoint of Relief Valve Rv 1111, Which Opened Momentarily & Released Waste Gas to Stack. Caused by Inadequate Procedure

From kanterella
(Redirected from ML20010F930)
Jump to navigation Jump to search
/01T-0:on 810821,during Resin Sluicing,Abnormally High Pressure Exceeded Setpoint of Relief Valve Rv 1111, Which Opened Momentarily & Released Waste Gas to Stack. Caused by Inadequate Procedure
ML20010F930
Person / Time
Site: Palisades Entergy icon.png
Issue date: 09/04/1981
From:
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20010F922 List:
References
LER-81-032-01T, LER-81-32-1T, NUDOCS 8109150123
Download: ML20010F930 (1)


LER-1981-032, /01T-0:on 810821,during Resin Sluicing,Abnormally High Pressure Exceeded Setpoint of Relief Valve Rv 1111, Which Opened Momentarily & Released Waste Gas to Stack. Caused by Inadequate Procedure
Event date:
Report date:
2551981032R01 - NRC Website

text

NRC FORM 386 U.S. NUCLEAR REOULATORY COMMIS$10N

(*-77) uCENSEE EVENT REPORT CONTROL BLOCS 0 l l

l l l l lh (PLEASE PRINT OP '_YPE ALL REQUIRED INFORMATION)

I 6

foTil 1 MII I P I AIL i 11@itl010 I -1010 I olo 101 - 1010 l@l hili 111 111@ @s @

1 4 9 LICENSEE CODE 14 UCENSE NwW$ER JS 26 uCENSE TYPE JO

=A 66 CON'T Iol1I Z? ICE gl 0 l 5 l0 l 0 l Ol2 l 5 l 5 l@l 0 l 8 l2 l1 ] 8 l 1]@l 0 l9 l 0 l L l8 l1 j@

?

8 SG

$1 DOCKET NyusEm GS 69 5WENT DATE 74 76 mEPORT DATE 63 EVENT Of SCRIPTION AND PR08 A8LE CONSEQUENCES h t o # 2 i-l During resin sluicing per SOP 2 B 6.2.5 on the T52 deminerali zer, an alar =

l m 1 was received from RIA 2316 (gross gas monitor on the stack).

Inspection of l Io 141 ! the BIA 2318 tracing indieeted a release had occurred through the stack.

l l c i s t I Abnormally 1 'gh pressure resultine from the sluicine operation exceeded thej l

io i6 i i set point of relief valve RV1111 which opened momentarily and released some I jog,;lvaste gas to the stack.

This was in violation of TS 3.9.17 and is reporta-l ioisi;ble under rs 6.9.2.a(2).

.2 C DE CC E sLBC E CDUPONENT CCDE sL8COOE 5

OCE RTs1 IM 13 l@ LDJ@ l Zl@ lZ ] ZjZ ]Z l Zl Zl@ @@ W @

1 e

e 10 11 12 is is 19 2&,

st outNTtAL OCCUR

  • E NCE nteomT REviss0N 4

,,, EVENT vt As mE* OAT C CODE TYPE No.

@,"LE a nolv0 l 1]

b l 0 l 3l,

lpl l 0 [1 l W

W y

jl,jg n

22 2

a.

v 2,

2, a

v n

ov s Q22's' tie'vi""EU,E!uSUs "s'u"*'*LiSI vaNUIOST'2a$na CN 'ETYo"N' oEe' LINT sp,g,N a

W@y@

l Z [@

y@

l010 ] Olu l W@

W@

W@ l Z l 919 l 9 l@

u 2<

n 26 si

.a as sa an u

a, CAUSE CESCRIPTION AND CORRECrivE ACTtCNS @

F l o I, An inndecuate procedure was determined to be the root cause. Procedure SCP I m I9 B 6.P.6 is to be chanrad to include ronitnrine of tha rveta-7" essure I

m 1durinr tha si':i ci ar crern+ 1 cn.

Modi ficat iens su s as installation nf a l

1,i3, l pressure regulator are being considered to prevent reocci'rrence.

I mI l

7 8 9 89 h

'sT A 5

% Powt CT=En status sO Rv Dis 00vtRY DEsCRiPTroN W U @ l0l9lSl@l NA l W@l Crerator Observation l

8 ACTiveTv CO TE%r LOCATION 08 AELEASE h mELEAsE AMOUNT C8 ACTIVITY y W @D 08 ptLEAsEW @l h.36 Curies I

l Stsck l

.. 5344L E,,es3Es Nuw3Ep Tvpf DESCRi' TION ITT71 ! 01010 l@W@l NA l

...soNd'INav'lt:

oisC=i.fieN@

N,. E.

fit 11010 I o l@]

NA l

7 8 9 11 12 80

'rS*E Ms'C7."T o'N '" @

l ' I e 1 [Z j@l UA l

so

.s

@DE CmitTION is$s l

NA l llllllltItt!l

o 7

8 9 10 68 69 80 8109150123 5110Q4

/ $ < PDR ADOCK OSJ00255 S

PDR