ML20054J999

Offnormal Event Procedure 05-1-02-IV-6, Loss of Rod Position Indication Sys,Safety-Related, Revision 11

ML20054J999
Person / Time
Site:	Grand Gulf
Issue date:	06/12/1982
From:	MISSISSIPPI POWER & LIGHT CO.
To:
Shared Package
ML20054J949	List: AECM-82-280, Forwards 37 Offnormal Event Procedures in Response to ACRS Subcommittee Request at 810917-18 Meeting ML20054J952 ML20054J953 ML20054J963 ML20054J965 ML20054J968 ML20054J971 ML20054J972 ML20054J974 ML20054J975 ML20054J979 ML20054J980 ML20054J982 ML20054J983 ML20054J986 ML20054J990 ML20054J992 ML20054J993 ML20054J996 ML20054J998 ML20054J999 ML20054K001 ML20054K004 ML20054K008 ML20054K009 ML20054K012 ML20054K013 ML20054K016 ML20054K019 ML20054K021 ML20054K024 ML20054K026 ML20054K030 ML20054K031 ML20054K033 ML20054K034 ML20054K036 ML20054K039 ML20054K040
References
05-1-02-IV-6, 5-1-2-IV-6, NUDOCS 8206300286
Download: ML20054J999 (2)

Text

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PLANT OPERATIONS MANUAL

..a Volume 5 0 5-1 IV-6 Section 02 Revision:

11 Date: 6-12-82 0FF-NORMAL EVENT PROCEDURE LOSS OF RPIS SAFETY RELATED

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- W 3 Reviewed:

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Nuclear Plant 0uality"Superint4ndent V i Technical Review

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p Approved:

'Operagons perintend nt Concurrence:

4fa'n ag'e r' ss Vgt' ant P 'a d //B 2_

PSRC:

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List of Effective Pages:

Page:

1 l

List of TCN's Incorporated:

Revision TCN No.

10 None 11 None t

8206300286 820625 l

PDR ADOCK 05000416 P

PDR

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diD CULF NUCLEAR STATION OFF-NORMAL EVENT PROCEDURE r

Title:

Los s of RPIS No.:

05-1-02-IV-6 Revision:

11 Page:

1 1.0 PURPOSE / DISCUSSION 1.1 The purpose of this procedure is to provide instructions for the operator during the loss of the RPIS.

1.2 This procedure will not interf ace with the Emergency Plan or Emergency Procedures.

1.3 RPIS supplies the operator with control rod position information which is required for all modes of operation.

The RPIS also supplies inputs to the computer and RWL and RPC Sys tem.

2.0 SYMPTOMS 2.1 Loss of one or more rod position indicators 2.2 Loss of the full core display.

2.3 Double image on rod position indicator 2.4 iC61S7 NOP alarm on 1H13 P'680 7

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t 2.5 Control Rod Withdrawal Block alarm on lH13-P680 2.6 INSERT INHIBIT and/or WITHDRAWAL INHIBIT status lights ON.

2.7 " Data fault.

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2.0 AUTOMATIC ACTIONS 3.1 Control rod withdrawal block and/or rod insert block.

4.0 IMMEDIATE OPERATOR ' ACTIONS 4.1 Obtain rod position data from computer or the alternate RPIS channel.

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4.2 If possible, insert the control rod to a position with a operable position indication.

4.3 If all rod position indication is lost - rod motion is prohibited except by scram.

4.4 Notify the Shift Supervisor and if necessary to move rods, the Reactor Engineer.

5.0 SUBSEQUENT ACTIONS 5.1 Refer to Tech. Specs. section 3.1.3.5.

5.2 Initiate necessary action 'to have ;ne malfunction corrected.