ML20083E146

Proposed Tech Specs Modifying Reactor Protection Sys Electrical Protective Assemblies Channel Functional Test Surveillance Interval in Tech Spec Surveillance Requirement 4.8.4.4.a

ML20083E146
Person / Time
Site:	Fermi
Issue date:	09/25/1991
From:	DETROIT EDISON CO.
To:
Shared Package
ML20083E133	List: ML20083E146 NRC-91-0115, Application for Amend to License NPF-43,incorporating Changes to Tech Specs to Modify Reactor Protection Sys Electrical Protective Assemblies Channel Functional Test Surveillance Interval
References
NUDOCS 9110020182
Download: ML20083E146 (5)

Text

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PROPOSED TECHNICAL SPECIFICATION CilANGE 9110020182 910925 PDR ADOCK 05000'341 P PDR

. 1 ELECTRICAL POWER SYSTEMS REACTOR PROTECTION SYSTEM ELECTRICAL POWER MONITORING LIMITING CONDITION FOR CPERATION 3.8.4.4 Two RPS electric power monitoring assemslies for each inservice RPS MG set or alternate power supply shall be OPERABLE.

APPLICABILITY: At all times.

ACTION:

a. With one RPS electric power monitoring assembly for an inservice RPS MG set or alternate power supply inoperable, restore the inoperable power monitoring assembly to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or remove the associated RPS MG set or alternatu power supply from service.

b. With both RPS electric power monitoring assemblies for an inservice RPS MG set or alternate power supply inoperable, restore at least one electric power monitoring assembly to OPERABLE status within 30 minutes or remove the associated RPS MG set or alternate power supply from service.

SURVEILLANCE REQUIREMENTS 4.8.4.4 The above specified RPS electric power monitoring assemblies shall be determined OPERABLE: pg g g,, 7 m,,, nev .. , ... ___ _ _ pnc.E m --____ g ro r, w y nu i ,

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b. At least once per 18 months by demonstrating the OPERABILITY of -

overvoltage, undervoltage, and underfrequency protective instrumentation by performance of a CHANNEL CALIBRATION focluding simulated automatic actuation of the protective relays, tripping logic and output circuit breakers and verifying the following setpoints.

1. Overvoltage < 132 VAC,

2. Undervoltage > 108 VAC,

3. Underfrequency > 57 Hz.

FERMI - UNIT 2 3/4 8-25

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a. By performance of a CHANNEL FUNCTIONAL TEST each time the plant is in COLD SiiUTDOWN for a period of more than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, unless performed in the previous 6 months.

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PROPOSED TECIIMICAL SPECIFICATION CHANGE PAGE

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ELECTRICAL POWER SYSTEMS BLACJSR PROTECTION SYSTEM ELECTRICAL POWER MONITORING tlMITING CONDITION FOR OPERATION 3.8.4.4 Two RPS electric power monitoring assemblies for each inservice RPS MG set or alternate power supply shall be OPERABLE.

APPLICABILITY: At all-times.

ACTION:

a. With one RPS electric power monitoring assembly for an inservice RPS MG set or alternate power supply inoperable, restore the inoperable power monitoring assembly to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or remove the associated RPS MG set or alternate power supply from service,

b. With both RPS electric power monitoring assemblies for an inservice RPS MG set or alternate power supply inoperable, restore at least one electric power monitoring assembly to OPERABLE status within 30 minutes or remove the associated RPS MG set or alternate power supply from service.

SURVEILLANCE REQUIREMENTS 4.8.4.4 The above specified RPS electric power monitoring assemblies shall be determined OPERABLE:

By performance of a CHANNEL FUNCTIONAL TEST each time the plant is '

a.

in COLD SHUTDOWN for a period of more than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, unless I l_

performed in the previous 6 months.  !

b. At least once per 18 months by demonstrating the OPERABILITY of overvoltage, undervoltage, and underfrequency protective instrumentation by performance of a CHANNEL CAllBRATION including simulated automatic actuation of the protective relays, tripping logic.and output circuit breakers and verifying the following

_setpoints.

L 1. Overvoltage s 132 VAC,

2. Undervoltage 2 108 VAC,

3. Underfrequency 2 57 Hz.

l _ FERMI - UNIT 2 3/4 8-25 Amendment No.

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