ML20204J849

Rev 1 to Emergency Operating Procedure ECA-1.2, LOCA Outside Containment

ML20204J849
Person / Time
Site:	Millstone, Haddam Neck, 05000000
Issue date:	06/03/1988
From:	CONNECTICUT YANKEE ATOMIC POWER CO.
To:
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ML20204H467	List: A07413, Forwards Specific Emergency Operating Procedures for Use During Incident Response Ctr Activation ML20204H704 ML20204H734 ML20204H868 ML20204H928 ML20204H963 ML20204J027 ML20204J039 ML20204J092 ML20204J109 ML20204J115 ML20204J120 ML20204J128 ML20204J133 ML20204J139 ML20204J147 ML20204J497 ML20204J543 ML20204J565 ML20204J627 ML20204J633 ML20204J638 ML20204J642 ML20204J659 ML20204J669 ML20204J685 ML20204J707 ML20204J733 ML20204J739 ML20204J746 ML20204J767 ML20204J781 ML20204J786 ML20204J814 ML20204J824 ML20204J849 ML20204J853 ML20204J865 ML20204J878 ML20204J902 ML20204J914 ML20204J920 ML20204J939 ML20204J947 ML20204J954 ML20204J958 ML20204J965 ML20204J975 ML20204J982 ML20204J994 ... further results
References
ECA-1.2, NUDOCS 8810250265
Download: ML20204J849 (2)

Text

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4 NUMBER mu REV. ISSUE /DAE EC A.1.2 LOCA OUTSIDE CONTAINMENT Rev. 1 i

i 1

A.

PURPOSE nis procedure provides actions to identify and isolate a * CA outside of containment.

B.

SYMPTOMS OR ENTRY CONDIT!ONS This procedure is entered form E 0, REACTOR TRIP OR SAFETY INJECTION, Step 29, J

on abnormal radiation in the auxiliary building due to a loss of RCS inventory outside containment.

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8810250265 001007 PDR ADOCK 05000213

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NUMBER TIT 12 REY. ISSUE /DATE ECA 1.2 LOCA OUTSIDE CONTAINMENT Rev.I S1Y.P ACT10N/EXPEC1ED RESPONSE RESPONSE NOT OBTAINED l

1 VERIFY PROPER VALVE ALIGNMENTS:

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a. Check RHR loop 1 suction valves

a. Manually close valves.

RH MOV 780 and RH MOV 781 E valves HQIclosed, CLOSED DEN locally close valves.

b. Check RHR loop 2 discharge valves

b. Manually close valves.

RH MOV 803 and RH MOV 804 E valves NQIclosed, CLOSED DEN locally close valves.

c. Cycle core deluge valves SI MOV 871 A and SI MOV 871B i

AND monitor foran RCS pressure increase

d. Check the other fluid paths outside

d. Manually OR locally align valves containment as necessary, i

o leidownlines o Drainheader o CCW return line from RCP thermal barriers o CCW from drain cooler o RCP seal water return line i

o Charging systemlines l

o Valve stem leak off header o Sample systemlines o Relief valves on RHR, charging and leidown s/ stems I

3 TRY TO IDENEFY AND ISOLAH i

BREAK:

a. Visually, inspect all fluid lines in PAB and outsde pipe trenches for leakage.

b. Isolate any line with leakage evident.

4 CHECK IF BREAK IS ISOLARD:

a. Check RCS pressure INCREASING

a. QQ.TQ ECA 1,1,

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LOSS OF EMERGENCY COOLANT t

RECIRCULATION, Step 1,

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b. QQIQ E 1, i

LOSS OF REAC1DR OR SECONDAP.Y COOLANT, Step 1 l

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