ML19157A307

Markup of TS Bases Page

ML19157A307
Person / Time
Site:	Callaway
Issue date:	06/06/2019
From:	Ameren Missouri, Union Electric Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML19157A303	List: ML19157A305 ML19157A306 ML19157A307 ULNRC-06510, Supplement to License Amendment Request to Revise Technical Specifications for Testing of Main Turbine Control Slave Relay (LDCN 18-0025)
References
ULNRC-06510
Download: ML19157A307 (2)

Text

Attachment 3 to ULNRC-06510 Page 1 of 2 ATTACHMENT 3 Markup ofT$ Bases Page (for information only)

uacnment to ULNRC-0651 0 Page2 of 2 ESFAS Instrumentation B 3.3.2 BASES Su RVEI LLANCE 3.3.2.13 (continued)

REQUIREMENTS Frequency Control Program and prior to entering MODE 4 for Functions I .b, 3.a.(2), and 7.a whenever the unit has been in MODE 5 or 6 for

> 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, if not performed within the previous 92 days (Reference 12).

The Surveillance Frequency is based on operating experience, equipment reliability, and plant risk and is controlled under the Surveillance Frequency Control Program.

Replace lined through text with the following: SR 3.3.2.14 only to slave relay K750. SR 3.3.2.14 is the performance of a SLAVE RELAY TEST as described in The slave relay is tested R33. .6 e ce ttha SR3.3.2.l4hasaNotes ecu in thatita lies with a Frequency I to ci ye re a K 2 a d 7 0. 1 e el yc or tect d it a specified in the Frequency cpeciflethn the Surveillance FreqienoyGontroI Program-and Surveillance Frequency prior to entering MODE 3 for Functionc 5.a and 9.a whenever the unit has Control Program and been in MODE 5 or 6 for > 24 houre, if not performed within the previouc prior to entering MODE 02 dayc. The SLAVE RELAY TEST of relay K620 doec not includethe 3 for Function 9.a oircuitry-accociated with the main feedw er ump tn c lenoidc since hat whenever the unit has cir ui ry erve n r q re c fe 1 n ti . e u e a c q e c s been in MODE 5 or 6 for based on operating experience, equipment reliability, and plant risk and is

> 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, if not controlled under the Surveillance Frequency Control Program. Testing performed within the slave relay K750 at power would result in opening the PORVs and previous 92 days. depressurizing the RCS. If the PORV block valves are closed, there is not enough pressure to open the PORVs.

REFERENCES I . FSAR, Chapter 6.

2. FSAR,Chapterf.

3. FSAR, Chapter 15.

4. IEEE-279-197 1.

5. 10 CFR 50.49.

6. Callaway Setpoint Methodology Report (NSSS), SNP (UE)-565 dated May I I 984, and Callaway Instrument Loop Uncertainty Estimates (BOP), J-U-GEN.

7. Not used.

(continued)

CALLAWAY PLANT B 3.3.2-69 Revision 14b