ML20210R709

Revised Proposed Tech Specs for LAR 98-010,proposing Rev to TS Table 3.3.1-1, Rt Sys Instrumentation & TS Table B 3.3.1-1, Rt Sys Setpoints

ML20210R709
Person / Time
Site:	Comanche Peak
Issue date:	08/13/1999
From:	TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20210R693	List: ML20210R688 ML20210R709
References
NUDOCS 9908170196
Download: ML20210R709 (3)

Text

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RTS Instrumentation l 3.3.1 l  ;

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Table 3.3.1-1 (page 2 Of 6)

Reactor Trip System Instrumentation i APPLICABLE I MODES OR OTHER SPECIFIED REQUIRED SURVEILLANCE ALLOWABLE FUNCTION CONDITIONS CilANNELS CONDITIONS REQUIREMENTS VALUE(a)

1. Manual Reactor Trip 1,2 2 B SR 3.3.1.14 NA l

( 3(b),4(b),5(b) 2 C SR 3.3.1.14 NA l

l 2. Power Range Neutron Flux

a. High 1,2 4 D SR 3.3.1.1 s 111.7% RTP t

SR 3.3.1.2 (Unit 1) l SR 3.3.1.7 s 111.1% RTP l SR 3.3.1.11 (Unit 2)

SR 3.3.1.16

b. Low 1(C)2, 4 E SR 3.3.1.1 i SR 3.3.1.8

(

SR 3.3.1.11 SR 3.3.1.16 s 27.7% RTP

3. Power Range 1,2 4 E SR 3.3.1.7 s 6.3 % RTP Neutron Flux Rate SR 3.3.1.1 I with time High Positive Rate constant a 2 sec l 4. Intermediate Range 1(c),2(d) 2 F,G SR 3.3.1.1 s 31.5% RTP l Neutron Flux SR 3.3.1.8 SR 3.3.1.1I l S. Source Range 2(*) 2 1.1 SR 3.3.1.1 s 1.4 E5 cps Neutron Flux SR 3.3.1.8 SR 3.3.1.11 3(b),4(b),5(b) 2 J.K. SR 3.3.1.1 s 1.4 E5 cps SR 3.3.l.7 SR 3.3.1.ll (continued)

(a) The Allowable Value defines the limiting safety system setting. See the Bases fo; the Trip Setpoints.

(b) With Rod Control System capable of rod withdrawal or one or more rods not fully inserted.

(c) Below the F-10 (Power Range Neutron Flux) interlock.

(d) Above the P-6 (Intermediate Range Neutron Flux) interlock.

(e) Below the P-6 (Intermediate Range Neutron Flux) interlock.

COMANCHE PEAK- UNITS 1 AND 2 3.3-15 9908170196 990813 PDR ADOCK 05000445 P PDR

m RTS Instrumentation 3.3.1 l

Table 3.3.1-1 (page 2 of 6) l

• Reactor Trip System Instrumentation APPLICABLE MODES OR OTHER SPECIFIED REQUIRED SURVEILLANCE ALLOWABLE FUNCTION CONDITIONS CHANNELS CONDITIONS REQUIREMENTS VALUE(a)

6. Overtemperature ' 1,2 4 E SR 3.3.1.1 Refer to Note 1 l N-16 SR 3.3.1.2 i SR 3.3.1.3 SR 3.3.1.6 SR 3.3.1.7 SR 3.3.1.10 SR 3.3.1.16

7. Overpower 1,2 4 E SR 3.3.1.1 s114.5% RTP N-16 E R 3.3.1.2 (Unit 1)

SR 3.3.1.7 s113.4% RTP SR 3.3.1.10 (Unit 2)

SR 3.3.1.16

8. Pressurizer l Pressure

a. Low 1(9) 4 M SR 3.3.1.1 a 1863.6 psig SR 3.3.1.7 (Unit 1)

SR 3.3.1.10 a 1865.2 psig SR 3.3.1.16 (Unit 2)

b. High 1,2 4 E s 2400.8 psig SR 3.3.1.1 (Unit 1) ,

SR 3.3.1.7 s 2401.4 psig I SR 3.3.1.10 (Unit 2)  ;

SR 3.3.1.16

9. Pressurizer Water 1(9) 3 M SR 3.3.1.1 s 93.9% of Level- High SR 3.3.1.7 instrument span SR 3.3.1.10 (continued)

(a) The Allowable Value defines the limiting safety system setting. See the Bases for the Trip Setpoints.

(g) Above the P-7 (Low Power Reactor Trips Block) Interlock.

COMANCHE PEAK - UNITS 1 AND 2 3.3-16

t RTS Instrumentation l B 3.3.1 l

Table B 3.3.1-1 (page 1 of 2)

Reactor Trip System Setpoints Function Trip Setpoint

1. Manual Reactor Trip N/A l

2. a. Power Range Neutron Fiux, High s 109% RTP

2. b. Power Range Neutron Flux, Low s 25% RTP

3. Power Range Neutron Flux Rate, High Positive Rate s 5% RTP with a time constant 2 2 seconds

4. Intermediate Range Neutron Flux, High s 25% RTP ,

1 l  !

5. Source Range Neutron Flux, High - s 1 05 cps

6. Overtemperature N-16 See Note 1, Table 3.3.1-1

7. Overpower N-16 s 112% RTP (Unit 1) s 110% RTP (Unit 2)  ;

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8. a. Pressurizer Pressure, Low a 1880 psig

8. b. Pressurizer Pressure, High s 2385 psig

. 9. Pressurizer Water Level- High r. 92% span

10. Reactor Coolant Flow- Low a 90% tif nominal flow

11. Not Used.

12. Undervoltage RCPs a 4830 volts 1

13. Underfrequency RCPs a 57.2 Hz j i-t-

(continued) i f,

l COMANCHE PEAK- UNITS 1 AND 2 B 3.3-64 i