ML18053A487

Proposed Tech Specs Modifying Permissible Bypass Condition for Subcooling Margin Monitor & Adding Operation & Surveillance Requirements for Reactor Vessel Level Monitoring Sys

ML18053A487
Person / Time
Site:	Palisades
Issue date:	08/04/1988
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML18053A486	List: ML18053A485 ML18053A487
References
NUDOCS 8808160357
Download: ML18053A487 (4)

Text

' .

ATTACHMENT Consumers Power Company P,,,/,s~ **@ 7 1

I Plant DocketS~

August 4, 1988

( 8808160357 880804 PDR ADOCK 05000255 1 3 Pages P PDC ',

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MI0788-0075-NL02

Table 3.17.4 (Cont'd)

Minimum Minimum Permissible Operable Degree of Bypass No Functional Unit Channels Redundancy Conditions

8. Pressurizer Water 2 1 Not required in Level (LI-0102) Cold or Refuel-ing Shutdown

9. Pressurizer Code 1 per None Not Required Safety Relief Valves Valve below 325°F Position Indication (Acoustic Monitor or Temperature Indication)

10. Power Operated Relief 1 per None Not required when Valves (Acoustic Valve PORV isolation valve.

Monitor or Temperature is closed and its Indication)_ indication system is operable

11. PORV Isolation Valves 1 per None Not required when Position Indication Valve reactor is depressurized and vented through a vent 2:1. 3 sq. in.

12. Subcooling Margin 1 None Not required Monitor below 325°F I

13. Auxiliary Feed Flow 1 per flow(h) None Not required Rate Indication Control below 325°F Valve

14. Auxiliary Feedwater 2 per stefm 1 Not required Actuation System generator e) below 325°F Sensor Channels

15. Auxiliary Feedwater 1 Not required Actuation System below 325 °F _

Actuation Channels

16. Excore Detector None None

( ) Reactor Vessel 2(i,j,k,l) None Not required I Water Level below 325°F I 3-Bla Amendment No. ~7.~S. 9~.

MI0788-0075-NL02

Table 3.17.4 (Cont'd)

(e) Auxiliary Feedwater System Actuation System Sensor Channels contain pump auto initiation circuitry. If two sensor channels for one steam generator are inoperable, one-of the steam generator low level bistable modules in one of the inoperable channels must be in the tripped condition.

(f) With one Auxiliary Feedwater Actuation System Actuation Channel inoperable, in lieu of the requirement of 3.17.2, provide a second licensed operator in the control room within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />. With both inoperable, in lieu of following the requirements of 3.17.2, start and maintain in operation the turbine driven auxiliary feed pump.

(g) Calculate the Quadrant Power Tilt using the excore readings at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> when the excore detectors deviation alarms are inoperable.

(h) With two flow rate indicators inoperable for a given control valve, the co~trol valve shall be considered inoperable and the requirements of 3.5.2(e) apply.

(i) A level channel consists of eight sensors in a probe. A channel I is OPERABLE if four or more sensors, two or more of the upp~r four I and two or more of the lower four, are OPERABLE. There are two I channels. I (j) With the number of OPERABLE Channels one less than the minimum I channels operable requirement, in lieu of the requirement of I 3.17.2, either restore the system to OPERABLE status within 7 I days, if repairs are feasible without shutting down, or prepare I and submit a Special Report to the Connnission within 30 days, I following the event, outlining the action taken, the cause of the I inoperability and the plans and schedule _for restoring the systems I to OPERABLE status. I (k) With both channels inoperable, in lieu of the requirement of I 3.17.2, either restore the inoperable channel(s) to OPERABLE I status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> if repairs are feasible without shutting I down or: I

1. Initiate an alternate method of monitoring the reactor vessel I inventory; and I

2. Prepare and submit a Special Report to the Connnission within I 30 days following the event outlining the action taken, the I cause of the inoperability and the plans and schedule for I restoring the system to OPERABLE status; and I

3. Restore the system to OPERABLE status at the next scheduled I refueling. I (1) The provisions of Specification 3.0.4 are not applicable. I 3-8lb Amendment No. ~~. 9$,

MI0788-0075-NL02

TABLE 4.1.3 (Contd)

Surveillance Channel Description

• Function Frequency Surveillance-Method

15. Auxiliary Feed Pump a. Calibrate R a. Known Differential Pressure Applied to Flow Indication Sensors

16. Auxiliary Feed Pump a. Test M (3)(5) a. Switch Start b. Calibrate R b. Known Differential Pressure Applied to Sensors

17. Power Operated Relief Valves and Pressurizer Code Safety Relief Valve.s Position Indication

a. Temperature a. Calibrate R a~ Known Resistance Substitute for RTD

b. Check s b. Comparison of Channels

b. Acoustic Monitor a. Calibrate R a. Inject Calibrated Test Signal

18. Subcooling Margin a. Check s a. Comparison of Channels Monitor b. Calibrate R b. Known Resistance Substituted for RTD Coincident With Known Pressure Input (4)

( ) Reactor Vessel a. Check M a. Comparison of readings from redundant channels I Water Level b. Calibrate R b. Substitute known voltage for thermocouples, and I increase heater current to heated junction ,,,,,J..

thermocouples and observe proper response. ~

(3) Test method to be alternated to include starting auxiliary f eedwater pump from the control room hand switch, from the breaker (or alternate steam supply) and from the pump test-key switch in a three month period.

(4) In conjunction with item 4(b), Table 4.1.1.

(5) It is not necessary to perform the specified testing during the cold shutdown condition.

Amendment No. ~7, 9~

4-lla MI0788-0075-NL02