ML20084K040

Ro:On 720304,during RHR Sys Surveillance Testing,Water Hammer Occured,Rendering One Loop of Containment Spray Sys Inoperable & Damaging Pipe Hangers & Restraints.Reactor Will Remain Shut Down Until Repairs Completed

ML20084K040
Person / Time
Site:	Quad Cities
Issue date:	04/05/1972
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	Morris P US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084K002	List: ML20084K022 ML20084K040
References
NUDOCS 8305190127
Download: ML20084K040 (1)

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D1 HECTOR DIVN OF REACTOR LICENS!!& ATTN OR P HORRIS U S ATOMIC ENERGY COMM WASHOC i

,REFERENCC GUAD-CITY NUCLEAR poser STATION UN( T ONE - OPR-99 APPEN0!X A SECTION t.0A4

- DURING SURVE1 LANCE TESTING OF THE RHR SYSTEM AT QUAD-CITIES NUCLEAR POWER STATION UNIT O l

4-3-72 A WATER HAMttEH OCCURED THAT RENDERED ONE ' LOOP THE CONTAINHENT SPRAY SYSTEM INOPERABLE ANO DAMAGE 0 HANGERS AND RESTRAINTS. THE DAMAGE WAS 01SCOVER50 4-4-72 AT R00PM.

DURING THE PERIOD THE REACTOR WAS IN A SHUT 00WN HODE AND WILL REMAIN SO UNTIL RPA1RSXXX REPA1RS ARE MADE AND THE SYSTEM TESTED.

THIS ABNORMAL OCCURANCE IS REPORTED AS INCIDENT NBR l-7hf COHMONWEALTH EDISON CO QUAD-CITY NUCLEAR POWER STA

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