ML20085F532
| ML20085F532 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 10/21/1974 |
| From: | De Witt R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | Cook R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20085F531 | List: |
| References | |
| NUDOCS 8308220411 | |
| Download: ML20085F532 (4) | |
Text
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VEC235(17t t)(1-832885C294)PD 18/21/74 1654 19MOCT21 PM 1,: M
,gg TLX CONS 0WER_JXN USPECTED DUPL 3 M D
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s THIS'IS A FOLLOW-UP OF THE PHONE CONVERSATION WITH MR FISHER ON 10 74 CONCERNING A0-74-24 THE GREATER THAN 8.5 PH UNITS DIFFERENCE NETWEEN THE LAME INLET AND LAXE OUTLET CIRCULATING
- WATER, 8308220411 74tiig I'DR ADOCK 05000255 PDR ON 18 74 THE OUTLET ENVIRONMENTAL WATER. - PLANT OUTLET -
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SAMPLE ANALYSIS HAD A PH OF 7.65.
THE INLET ENVIRONMENTAL WATER -
p SF.1201 (R5-69)
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- Tele ra'm M,
' western union PLANT LAKE INLET - SAMPLE SHOWED A PH OF 8.38.
INDICATING A DIF-FERENCE OF 0.7 PH UNITS.
THIS IS GREATER THAN THE 4.5 PH UNITS ALLOWED BY TECH SPEC 3.9.9 IN THE WATER PRIOR TO RELEASE To LAXE MICHIG AN.
THE CAUSE OF THE VARIATION WAS AS FOLLOWS ON 10-18-74 AT 1938 HOURS THE "A" COOLING TOWER CIRCULATING PUMP-E-384-WAS SHUT OFF.
THE "A" COOLING T0WER ACID INJECTION SYSTEM
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WAS LEFT ON.
THE BLOWDOWN FROM THIS TOWER RESULTED IN DEPRESSING THE PH IN THE DISCHARGE EFFLIENTS 8.7 PH UNITS BELOW THE LAKE IN-
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FLUENT PM.
THE TOWER ACID SYSTEM WAS SHUT OFF ON 10-19-74 AT 8915.
THE COOLING TOWER BLOWDOWN WAS SECIRED.
2598 POUNDS OF s
LIME WAS ADDED TO THE "A" COOLING TOWER BASIN TO RAISE THE PH.
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- Tele ra'm western union TO PREVENT A REOCCURRENCE TE COOLING T0WER ACID INJECTION i
SYSTEMS WILL BE INTERLOCMED WITH THE C00 LING' TOWER CIRCULATING WATER PMPS S0 THAT THE ACID SYSTEM FOR EACH TOWER CANOT BE OPERATED WHILE ITS CIRCULATING PUMP IS OFF.
THIS ACTION WILL BE T AMEN AFTER APPROPRIATE REVIEWS AND APPROVALS HAVE BEEN MADE.
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R R DE WITY PALISADES PLANT
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CONSUMERS POWER COMPANY ALL H0 CC R L HAUETER
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R 3 SEWELL er-initu o
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