ML17348B201

Proposed TS 3/4.2.1 Re Axial Flux Difference & TS Table 4.3-1, Reactor Trip Sys Instrumentation Surveillance Requirements.

ML17348B201
Person / Time
Site:	Turkey Point
Issue date:	10/31/1991
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17348B200	List: ML17348B199 ML17348B201
References
NUDOCS 9111060222
Download: ML17348B201 (6)

Text

ATTA HMENT PROPOSED TECHNICAL SPECIFICATION Marked-up Technical Specification Page, 3/4 2-1 Table 4.3-1 (pages 3/4 3-8 and 3/4 3-11 (reference only))

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3/4. 2 POWER OISTRIBUTION LIMITS 3/4. 2. 1 AXIAL FLUX DIFFERENCE LIMITING CONDITION FOR OPERATION 3.2.1 The indicated AXIAL FLUX DIFFERENCE (AFD) shall be maintained within a + SX target band (flux difference units) about the target flux difference.

The indicated AFD may deviate outside the above required target band at greater than or equal to 50K but less than 90K of RATED THERMAL POWER provided the indi-cated AFD is within the Acceptable Operation Limits of Figure 3.2-1 and the cumu-lative penalty deviation time does not exceed 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> during the previous 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

The indicated AFD may deviate outside the above required target band at greater than 15K but less than SO% of RATED THERMAL POWER provided the cumulative penalty deviation time does not exceed 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> during the previous 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

APPLICABILITY: MODE 1, above 15X of RATED THERMAL POWER.*

ACTION: ~Also>

a. With the indicated AFD outside of the above required target band and with THERMAL POWER greater than or equal to 90K of RATED THERMAL POWER, within 15 minutes either:

1. Restore the indicated AFD to within the target band limits, or

2. Reduce THERMAL POWER to less than 90X of RATED THERM'AL POWER.

b. With the indicated AFD outside of the above required target band for more than 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> of cumulative penalty deviation time during the previous 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or outside the Acceptable Operation Limits of Figure 3,2-1 and with THERMAL POWER less than 90K but equal to or greater than SO% of RATED THERMAL POWER:

Reduce THERMAL POWER te less than 50K of RATED THERMAL POWER within 30 minutes, and >j'LYRIC

2. Reduce the Power Range Neutron Flux" "" - High Trip Setpoints to less than or equal to SSX of RATED THERMAL POWER within the next 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

c. With the indicated AFD outside of the above required target band for more than 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> of cumulative penalty deviation time during the previous 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and with THERMAL POWER less than 50K but reater "See Special Test Exceptions Specification 3.10.

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Qfurveillanoe testing of the Power Range Neutron Flux Channels may e per orms pursuant to Specification 4.3. 1. 1 provided the indicated AFD is maintained within

• the Acceptable Operation Limits of Figure 3.2-1. A total of 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> operation may be accumulated with the AFO outside of the above required target band during testing without penalty deviation.

TURKEY POINT - UNITS 3 5 4 3/4 2-1 AMENDMENT NOS.]37AND 132

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TABLE 4.3-1 C

Ã5 PC REACTOR TRIP SYSTEM INSTRUMENTATION SURVEILLANCE RE UIREMENTS m

TRIP ANALOG ACTUATING MODES FOR CHANNEL DEVICE WHICH CHANNEL CHANNEL OPERATIONAL OPERATIONAL ACTUATION SURVEILLANCE C: FUNCTIONAL UNIT CHECK CALIBRATION TEST TEST LOGIC TEST IS RE UIRED M

Trip N.A. N.A. N.A. R(11) N.A. 3A 4* 5A

1. Hanual Reactor Qo 2. Power Range, Neutron Flux

a. High Setpoint D(2, 4), N.A. N.A. 1, 2 H(3, 4),

Q(4, 6),

R(4)

N.A. N.A. 1*4*

b. Low Setpoint R(4)

3. Intermediate Range, R(4) S/U(1),H =

N.A. N.A.

I Neutron Flux CO N.A. 2III* 3 4

4. Source Range, Neutron Flux S R(4) S/U(l ),H(9) N.A. 5

5. Overteiperature hT S N.A. N.A. 1 2

6. Overpower hT S N.A. N.A. 1 2

7. Pressurizer Pressure--Low S N.A. N.A.

8. Pressurizer Pressure High S N.A. N.A. 1 2

9. Pressurizer Mater Level High S N.A. N.A.

10. Reactor Coolant Flow Low S N.A. N.A.

11. Steam Generator Mater Level S N.A. N.A. 1, 2 Low-Low

TABLE 4. 3-1 Continued TABLE NOTATIONS "When the Reactor Trip System breakers are closed and the Control Rod Drive System is capable of rod withdrawal.

""Below P"6 (Intermediate Range Neutron Flux Interlock) Setpoint.

"""Below P-10 (Low Setpoint Power Range Neutron Flux Interlock) Setpoint.

(1) If not performed in previous 7 days.

(2) Comparison of calorimetric to excore power indication above 15K of RATED THERMAL POWER. Adjust excore channel gains consistent with calorimetric power if absolute difference is greater than 2X. The provisions of Specification 4.0.4 are not applicable to entry into MODE 2 or 1.

(3) Single point comparison of incore to excore AXIAL FLUX DIFFERENCE above 15K of RATED THERMAL POWER. Recalibrate if the absolute difference is greater than or equal to 3X. The provisions of Specification 4.0.4 are not applicable for entry into MODE 2 or 1.

(4) Neutron detectors may be excluded from CHANNEL CALIBRATION.

(5) This table Notation number is not used.

(6) Incore-Excore Calibration, above 75K of RATED THERMAL POWER (RTP). If the quarterly surveillance requirement coincides with sustained operation between 30K and 75K of RTP, calibration shall be performed at this lower, power level. The provisions of Specification 4.0.4 are not applicable for entry into MODE 2 or l.

(7) Each train shall be tested at least every 62 days on a STAGGERED TEST BASIS.

(8) With power greater than or equal to the Interlock Setpoint the required ANALOG CHANNEL OPERATIONAL TEST shall consist of verifying that the interlock is in the required state by observing the permissive annunciator window.

(9) Monthly surveillance in MODES 3", 4", and 5" shall also include verifica-tion that permissive P-6 and P-10 are in their required state for exist-ing plant conditions by observation of the permissive annunciator window.

Monthly surveillance shall include verification of the High Flux at Shut-down Alarm Setpoint of 1/2 decade above the existing count rate.

1 (10) Se tp oint veri fi cati on is not app 1 i cab 1 e.

(11) The TRIP ACTUATING DEVICE OPERATIONAL TEST shall include independent verification of the OPERABILITY of the undervoltage and shunt trip attachment of the Reactor Trip Breakers.

TURKEY POINT," UNITS 3 8 4 3/4 3" 11 AMENDMENT NOS.137 AND 132