ML20085F515
| ML20085F515 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 01/28/1975 |
| From: | Dewitt R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20085F516 | List: |
| References | |
| AO-75-2, NUDOCS 8308220164 | |
| Download: ML20085F515 (5) | |
Text
,
- 545 M
~
Telegram {
mestern union w
VEE 107( 1235) ( 1-014 019CO2 8) PD 01/28/75 1223 TLX CONSPOWER JKN ZCZC 002 DL Y JACKSON MICH 11 375 PMS ATOMIC ENERGY COMMISSION c P a. 1:3. ___mM ATT J G KEPPLER f
,.y,,...
[
gg_.MpO_
REG ION III
,, ' g,
,_7b/d
.yyt _ //h.
799 R00SEVELT R0AD a <j T:ve CLEN ELLYN, IL L 0137 f,,ggg 7# r rLivi:,
CONFIRMATION OF TELEPHONE CONVERSATION WITH K BAKER ON 1/26/75 AT 1600 q
SUBJECT-ABh0RMAL OCCURRENCE 75-2 8308220164 750120 i
PDR ADOCK 05000255 4
sr.',w,inIJNE 1116 AM S
.R&B M '
Tele rem mestern union w
FILE A075-2 REPORT NO. 75 - 2 REPORT DATE JAN UARY 2 7, 1975 0CCURRENCE DATE JANUARY 26, 19 75 FACILITY - PALISADES PLANT f
IDENTIFICATION OF OCCURRENCE -
f i
f ar.noi gLDES OF VOLUME CONTROL T ANK GAS TO THE AUXILIARY BUILDING.
W K'
- Tele ram M.
western union vv t
i DESCRIPTION OF OCCURRENCE -
AT 0907 ON 1/26/75 A CONTROL OPERATOR STARTED VENTING THE VOLUME CONTROL TANK TO THE WASTE G AS SURGE TANK - WGST.
THE AUXILIARY OPERATOR STATIONED AT THE GAS CONTROL PANEL C NOTED THAT THERE l
WAS NO INCREASE IN THE WGST PRESSURE.
AT THE SAME TIME THE AUXILIARY l
OPERATOR STATIONED AT THE EVAPORATOR CONTROL PANEL OBSERVED A SEVERE
~
l VACUUM UPSET.
VENTING WAS STOPPED TO DETERMINE WHERE THE GAS WAS l
G O ING.
ANALYSIS OF OCCURRENCE -
(
\\
\\,
4 I
d.noi mIk WAS DETERMINED THAT BY CLOSING THE EVAPORATOR VACUUM PUMP DIS-
. LEJ M
- Tele ram i
' western union
)
/
CHARGE VALVE THE WGST W0tLD INCREASE PRESSURE.
THE BACK PRESSURE CAUSED BY THE VCT VENT HAD BLOWN THE LOOP SZAL ON THE VACUUM PUMP AIR-WATER SEPARATOR TANK AND WAS VENTING TO THE AUXILIARY BUILDING.
THE ORIFICED RECIRC LINE FROM THE VACUUM PUMP DISCHARGED BACK TO THE EVAP IS WHAT CAUSED THE ERRATIC OPERATION IN THE EVAPORATOR.
THE AMOUNT OF GAS RELEASED FROM THE VCT TO THE AUXILIARY BUILDING WAS DETERMINED TO BE 2.7 E PLUS 06 CUBIC CENTIMETERS.
THE TOTAL ACTIVITY RELEASED WAS 1.06 E-05 MILL ICUR IES.
CORRECTION ACT ION -
t J
PROCEDURES SHALL BE CHANGED TO VALVE THE EVAPORATOR VACUUM PUMP DIS-(
sr.,$i enc #ARGE LINE TO THE WASTE GGS COLLE@TR@D
I l
l i
. &E M Telegram l
E Westem uman vv OF THE VCT.
DURING PERIODS OTHER THAN VENTING THE VCT THE EVAPORATOR VACUUM PUMP DISCHARGES SHALL BE ROUTED NORMALLY TO THE WGST.
R B DEWITT CONSUMERS POWER COMPANY CBW 1
MESSAGE 2
'i
'f i
i t
1 SF-1201 (RS-69) l t
l l
l i
. - - - - -