05000336/LER-1980-017-04, /04T-0:on 800424,during Routine Discharge of Waste Gas Decay Tank B,Discharge Flow Recorder Found Inoperable. Discharge Was Stopped.Caused by Dirty Clutch Drive Assembly. Clutch Drive Assembly Cleaned

/04T-0:on 800424,during Routine Discharge of Waste Gas Decay Tank B,Discharge Flow Recorder Found Inoperable. Discharge Was Stopped.Caused by Dirty Clutch Drive Assembly. Clutch Drive Assembly Cleaned

ML19309H200
Person / Time
Site:	Millstone
Issue date:	05/05/1980
From:	Bates R NORTHEAST NUCLEAR ENERGY CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19309H197	List: 05000336/LER-1980-017, Forwards LER 80-017/04T-0 05000336/LER-1980-017-04, /04T-0:on 800424,during Routine Discharge of Waste Gas Decay Tank B,Discharge Flow Recorder Found Inoperable. Discharge Was Stopped.Caused by Dirty Clutch Drive Assembly. Clutch Drive Assembly Cleaned
References
LER-80-017-04T, LER-80-17-4T, NUDOCS 8005090341
Download: ML19309H200 (1)

LER-1980-017, /04T-0:on 800424,during Routine Discharge of Waste Gas Decay Tank B,Discharge Flow Recorder Found Inoperable. Discharge Was Stopped.Caused by Dirty Clutch Drive Assembly. Clutch Drive Assembly Cleaned

Event date:
Report date:
3361980017R04 - NRC Website

text

._

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSLON LICENSEE EVENT REPORT 800509034/

COP' TROL BLOCK: l l

l l

l l

lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI i

6 lo lil l Cl Tl Ml Nl Sl 21@l 0101 - 1010101010 l-l 01 Ol@l 4l 1 l 1 l l l 1 l@l I

l@

7 8 9 LICEN5EE CODE 14 15 LICENSE r.UMdER 25 26 LICENSE TYPE Jo 57 CAT 68 CON'T s$R$ l Ll@l 0l 5 l 01010 l 3 l 3 l6 l@i 014l 2l 418l Ol@l 0151015 l 8 l 0 l@

o i 7

8 60 61 ooCKET NUMBER 68 69 EVENT oATE 74 75 REPORT oATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 1012 l 1 D' ring a routine discharge of the "B" Waste Gas Decay Tank, the discharae flow

- I u

o 3 i recorder was observed to be inoperable and the discharge was stopped.

The discharoe I

l o 14 I l was subsequently resumed and completed within the limits of the discharge permit usino I i

Io is l I an alternate flow rate monitoring method, after verifying no flow or radiation limits I

l had been exceeded. There are no consequences of this event because the discharge l

o s l o l 7 l l was made and completed in accordance with Environmental Technical Specifications, l

Section 2.4.2.3.A.

I

,oi3, i

• ^"$ECo ' su'eC$oE su'eEdE sSEE

' o'o'E CovPoNENT CocE C

joggl l Ml B j@ Q@ l Xl@ l Il N l S l T l R l U l@ ]@ @ @

7 8

9 to 11 12 1J 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVistoN LER EVENTYEAR REPORT No.

CooE TYPE No.

@,ag/Ro l 8l 0l

[ _j i 01 11 71 1/l 1014 l W

[---j [0j.

_ 21 22 23 24 26 27 28 29 30 31 J2 N AC o oNP T

M HoVRs 22 s8 IT o PoR 8.

SUPPLIER MANUPACTURER l 4@l 4@

l Zl@

l_Zj@

l 0 l 0 l ~0 l l

[NJ@

[fij@

[_Lj@

l Gl 0 l 8 l Oj@

33 34

.M 36 37 40 41 42 43 44 47 CAUSE DESCRIPTloN AND CORRECTIVE ACTIONS h li lo j l The recorder was declared inoperable due to erratic flow rate indication which was I

li ii i I due to a dirty clutch drive assembly.

The clutch drive was cleaned, the recorder I

i,,7, l calibration checked and the unit was returned to service. The recorder is a General I

r-g1 l Electric, Model 530.

l u_L4_j l l

oTwER status @ EisEo 18v' oiscovERv oEsCRirnoN @

"sTAEY C'

vower

[_Ej@ l 11 0l 0l@l NA l

l N@l Operator Observation

[

i s

'JuviTy Co'2TE NT 1.056E5 microcur@ies l LoCanoN oP REtEAsE @

REtEAsEo oP RELEASE AuoVNT op ACnviTv ITTs 1 LG_j @ l NI@l l

Unit 1 Stack l

7 8 9 10 44 45 30 PERSONNEL EMPosUREs TYPE @loEsCRIPTioN l

NUM8ER y l 0l 0 l 0 l@l 4

PERsoNNEt imu%Es l

oEsCRiPno~@

I 01~uM0ER101@l NA l

i R 7

8 9 11 12 80 WPE Es'CR Pr'o'N '' " @

i gl NA

[

l i 9 7

8 9 10 30 PUB LICITY NRC UsE ONLY [3 pq ]@['"'"t7e"ws release through Public Relations Department l

l l l l ll l l l l l l [j 7

a 9 to 68 69 80 3 R. W. Bates 203-447-1791 o