ML20084K602
| ML20084K602 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 09/27/1974 |
| From: | Stephenson B COMMONWEALTH EDISON CO. |
| To: | Oleary J US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML20084K585 | List: |
| References | |
| NUDOCS 8305190493 | |
| Download: ML20084K602 (1) | |
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J F O' LEARY DIRECTOR DIRECTORATE OF LICENSINS U S ATCHic ENERGY COMMIS$!ON WASHINGTON DC 205G5 O
THE SUBJECT !$ DPR19 DRESDEN NUCLEAR POWER STATION UN!T'2 THIS WILL CCNFIRM A CONVERSATION WITH F PAURA 0F YOUR OFFICE AT 1320 HDURS THIS D ATE CONCERND G DEGR ADATION OF LIQUID WASTE PIPING IN THE RADWASTE SYSTEM DUE TO THE FAILURE OF 2 1/4 INCH PRESSURE.SW!TCH Vs
!NSTRUMENT LINES ON,"B" WitSTE COLLECTOR FIL TER.
MAINTENANCE IN THE CROWDED WORK AREA WHEri THESE PRESSURE SWITCHES ARE. LOCATED INADVERTENTLY CAUSE THE 5 1TCHES To BE BUNPED AND JARRED ENOUGH O
SO THAT DURING THE OPERAT,0N OF THE FILTER BACKWASH CYCLE, IHE.
DOME VENT AND DOME DRAIN PRESSURE SWITCHES BROKE LOOSE AND SPILLED
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CONTAMINATED WATER TO THE FLOOR.
B0TH FA! LURES WERE. LOCATED AND ISOLATED IMMEDIATELY AND THE SP!LLED WATER WA3 CONTAINED IN THE RADWASTE FLOOP DRAIN SYSTEM.
THIS NOT!F! CAT!ON WILL DE FOLLOWED BY f
A 10 DAY REPORT.
B B 5TEPHENSON SUPER!NTE40ENT DRESDEN NUCLEAR POWER STAT!0N' COMMONWEA TH EDISON CO ROUTE 1 MORRIS IL 60u50 16i36 EDT U
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