ML19323A897

Emergency Procedure 2-AP-22.8, Removing Firemain or Svc Water from Auxiliary Feedwater Supply.

ML19323A897
Person / Time
Site:	North Anna
Issue date:	11/29/1979
From:	Harvey S VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML19323A861	List: ML19323A860 ML19323A863 ML19323A865 ML19323A871 ML19323A874 ML19323A878 ML19323A883 ML19323A896 ML19323A897
References
2-AP-22.8, NUDOCS 8005060186
Download: ML19323A897 (4)

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11-29-79 L. ... ;N VIRGINIA ELECTRIC AND POWER COMPANT NORTH ANNA POWER STATION UNIT NO. 2 REMOVING FIREMAIN OR SERVICE WATER FROM AUXILIARY FEEDWATER SLTPLY

REFERENCES:

1. T.S. 3.7.1.2, 3.7.1.3 Specifications

2. Stone and Webster Drawing 12050-FM-74A -

3. Stone and Webster Logic Diagrams 12050-LSK-5-13A, B and C 4 Stone and Webster Elementary Diagrams 12050-ESK-5AA, SAS, 6PR, and 6CL

5. Final Safety Analysis Report h

REV. PAGE DATE

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CHAIRMA.SSTATION NUCLEAR SAFEri AN'u CPEFATING CC!DIITTEE

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2-AP-22.3 Page 2 of 4 11-29-79 1.0 Purnose 1.1 This procedure provides immediate and long term operator actions to be taken in Removing Firemain or service water from Supplying nuxiliary feed water.

2.0 Indications 2.1 None 3.0 Probable Cause 3.1 Auxiliary feed water system is in an abc.ormal lineup to an unpreferred source of water.

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2-AP-22.8 Page 3 of 4 11-29-79 4.0 Immediate Operator Actions 4.1 None f

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2-AP-22.8 Page 4 of 4 11-29-79 Initials 5.0 Long Term Operator Action NOTE: When level in emergency condensate storage tank reaches 9 feet (37.3% as read on LI-CN-200 in control room) or when suction pressure to aux feed water pumps reaches 4 psi . , commence filling the emergency condensate storage tank.

5.1 Open and lock open the following valves 2-FW-145 (Normal Suction for 2-FW-P-2).

2-FW-162 (Normal Suction for 2-FW-P-3A).

2-FW-180 (Normal Suction for 2-FW-P-3B).

5.2 Close or verify closed and lock 2-FW-202.

5.3 Close or verify closed and lock 2-FW-175.

5.4 Close and lock the following valves:

2-FW-147 2-FW-164 2-FW-182 5.5 Open 2-FW-176.

_ _ _ _ _ , 5.6 Open 2-FW-203. -

5.7 Close 1-FP-84 (Post Indicator Valve).

NOTE: If firemain or service water was used as makeup for the auxiliary feedwater system arrangements will have to be made through chemisty for cleanup or the affected systems with makeup grade water.

Completed By: f; Date: I NOTE: Independent verification is required when returning the system to normal.

Independent Verification of Valve Lineup By:

Date:

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