ML20084A976
| ML20084A976 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 07/28/1972 |
| From: | Stephenson B COMMONWEALTH EDISON CO. |
| To: | Jorden E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20084A946 | List: |
| References | |
| NUDOCS 8304060049 | |
| Download: ML20084A976 (1) | |
Text
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SSD238 DE CCC135 (SF 210CC3 23135)PD WU TSDEPT MOLI 025 P ED 37/2S/7 2 2CZC 44 DC PD TDMS CORD 0VA ILL 28 107? Cb5LEPHON k
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E JORDEN, REGION 3 COMPLIANCE US ATOMIC RL'Ef?NOMED TO 4747 T
799 ROOSEVELT RD GLEN ELLYN ILL 6(/J7tlME DELIVERED ~ M C
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REFEREtJCE QU AD CITIES NUCLEAR POWER STATION DPR-30 A ENDIL A l
SECTIONS 1.0.A.2 AND 5.6.A.3 l
DURIN A REACTOR STARTUP ON QUAD CITIES UNIT TWO THE REACTOR CORE ISOLATION COOLING SYSTEM INBOARD STEAM SUPPLY VALVE 1301-15 FiILED IN THE OPEN POSITION AND COULD NOT BE CLOSED FROM THE CONTROL ROOM FOR A TEST. THE MALFUNCTION OCCURRED AT h
APM ON JULY 27 1972 WITH THE REACTOR IN THE STARTUP MODE AT
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230 PSI. THE SYSTEM WAS CAPABLE OF PERFORMING ITS INTENDED 2 1150 g
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6 SAFETY FUNCTION BUT THE CAPABILITY TO ISOLATE ON AN RCIC LINL \\
"IET* SICf1AL WAS DEGRADED. THE OUTBOARD ISOLATION VALVE WAS 8
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CLOSED AND THE REACTOR WAS SHUT DOWN TO DEPRESSURIZE BELOW i
150 PSI B B STEPHENSON QUAD CITIES NUCLEAR POUER STATION 1
CORDOVA ILL I
DPR-3 0 A 1.0. A. 2 6.5. A.3 1307-15 4 PM 27 197 2 200 PSI 150 PS I i
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