ML081120149

Corrected Technical Specification Pages, Amendment No. 177 Revision to Technical Specification 3.7.3, Main Feedwater Isolation Valves, to Add Main Feedwater Regulating Valves and MFRV Bypass Valves

ML081120149
Person / Time
Site:	Wolf Creek
Issue date:	04/29/2008
From:	Donohew J NRC/NRR/ADRO/DORL/LPLIV
To:
Donohew J N, NRR/DORL/LPL4, 415-1307
Shared Package
ML081120143	List: ML081120149
References
TAC MD4840
Download: ML081120149 (4)

Text

ESFAS Instrumentation 3.3.2 Table 3.3.2-1 (page 3 of 5)

Engineered Safety Feature Actuation System Instrumentation' APPLICABLE MODES OR OTHER SPECIFIED REQUIRED SURVEILLANCE ALLOWABLE FUNCTION CONDITIONS CHANNELS CONDITIONS REQUIREMENTS VALUE (a)

4. Steam Line Isolation (continued)

e. Steam Line Pressure (1 ) Low 1,2(i),3(b)(i) 3 per steam 0 SR 3.3.2.1 ~ 571 psig(c) line SR 3.3.2.5 SR 3.3.2.9 SR 3.3.2.10 (2) Negative Rate 3(g)(i) 3 per steam 0 SR 3.3.21 s 125(h) psi High line SR 3.3.2.5 SR 3.3.2.9 SR 3.3.2.10

5. Turbine Trip and FeedWaler Isolation

a. Automatic Actuation 1,20),3(j) 2 trains G SR 3.3.22 NA Logic and Actuation SR 3.3.2.4 Relays (SSPS) SR 3.3.2.6 SR 3.3.214

b. Automatic Actuation I.Z(k),3(k) 2 trains G SR 3.3.26 NA Logic (MSFIS)

c. SG Water Level -High 1,2(j) 4 per SG SR 3.3.2.1 ~79.7% of High (P.14) SR 3.3.2.5 Narrow Range SR 3.3.2.9 Instrument Span SR 3.3.2.10

d. Safety Injection Refer to Function 1 (Safety Injection) for all initiation functions and requiremenlS.

(continued)

(a) The Allowable Value defines Ihe Limiling Safely System Setting. See Ihe Bases for the Trip Setpoints.

(b) Above the P-ll (Pressurizer Pressure) Inlerlock and below P-ll unless the Function is blocked.

(c) Time constants used in tt1e lead/lag controller are \, ~ 50 seconds and t2 s 5 seconds.

(g) Below the p." (Pressurizer Pressure) Interlock; however, may be blocked below P-l1 when safety injection on low steam line pnessune is not blocked.

(h) Time constant utilized in the rate/lag controller is ?: 50 seconds.

(i) Except when all MS1Vs are closed.

(j) Except when all MFIVs are closed and de-activated; and all MFRVs are closed and de-activated or closed and isolated by a closed manual valve; and all MFRV bypass valves are closed and de*activated, or closed and isolated by a closed manual valve, or isolated. by two closed manual valves.

(k) Except when all MFIVs are closed and de-activated.

Wolf Creek - Unit 1 3.3-34 Amendment No. 12J, 132, 175, 177

ESFAS Instrumentation 3.3.2 Table 3.3.2-1 (Page 4 of 5)

Engineered Safety Feature Actuation System Inslrumentalion APPLICABLE MODES OR OTHER SPECIFIED REQUIRED SURVEILLANCE ALLOWABLE FUNCTION CONDITIONS CHANNELS CONDITIONS REQUIREMENTS VALUE (a)

6. Auxiliary Feedwater

a. Manual Initiation 1,2,3 1 per pump 0 SR 3.3.2.8 NA

b. Automatic Actuation 1.2,3 2 trains G SR 3.322 NA Logic and Actuation SR 3.3.2.4 Relays (Solid State SR 3.32.6 Protection System)

c. Aulomatic Actuation 1,2.3 2 trains N SR 3.3.23 NA Logic and Actuation Relays (Balance 01 Plant ESFAS)

d. SG Water Level Low* 1,2,3 4 per SG 0 SR 3.321 ~ 22.3% of Low SR 3.3.2.5 Narrow Range SR 3,32.9 Instrument Span SR 3.3210

e. Safety Injection Refer to Function 1 (Safety Injection) for all initiation functions and requirements.

f. Loss of Offslle Power 1.2.3 2 trains P SR 3.3.27 NA SR 3.32.10

g. Trip of all Main 2 per pump J SR 33,2,8 NA Feedweler Pumps

h. Auxiliary Feedwater 1,2.3 3 M SR 33,2.1 2: 20.53 pSia Pump Suction SR 3.3.2.9 Transfer on Suction SR 3.3.2.10 Pressure* Low SR 3.3.2.12 (continued)

(a) The Allowable Value defines the Limiting Safety System Setling. See the Bases for the Trip Selpoints, Wolf Creek - Unit 1 3.3-35 Amendment No. ~, 136

MFIVs and MFRVs and MFRV Bypass Valves I 3.7.3 3.7 PLANT SYSTEMS 3.7.3 Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulating Valves (MFRVs) and MFRV Bypass Valves LCO 3.7.3 Each MFIV and its associated actuator trains, MFRV and MFRV bypass valve for the four main feedwater lines shall be OPERABLE.

APPLICABILITY: MODE 1 MODES 2 and 3, except for each affected main feedwater line when:

a. The MFIV is closed and deactivated; or

b. The MFRV is closed and deactivated or closed and isolated by a closed manual valve; and the MFRV bypass valve is either closed and deactivated, closed and isolated by a closed manual valve, or isolated by two closed manual valves.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One MFIV actuator train A.1 Restore MFIV actuator 7 days inoperable. train to OPERABLE status.

B. Two MFIV actuator trains B.1 Restore one MFIV 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> inoperable for different actuator train to MFIVs when the inoperable OPERABLE status.

actuator trains are not in the same separation group.

C. Two MFIV actuator trains C.1 Restore one MFIV 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> inoperable when the actuator train to inoperable actuator trains OPERABLE status.

are in the same separation group.

(continued)

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MFIVs and MFRVs and MFRV Bypass Valves 3.7.3 SURVEILLANCE REQUIRMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.7.3.2 --------------------NOTE----------------------

Only required to be performed in MODES 1 and 2.

Verify each actuator train actuates the MFIV to the 18 months isolation position on an actual or simulated actuation signal.

SR 3.7.3.3 ------------------------NOTE-----------------------

Only required to be performed in MODES 1 and 2.

Verify each MFRV and MFRV bypass valve actuates 18 months to the isolation position on an actual or simulated actuation signal.

Wolf Creek - Unit 1 3.7-11 Amendment No. 123, 171, 177

ARVs 3.7.4 3.7 PLANT SYSTEMS 3.7.4 Atmospheric Relief Valves (ARVs)

LCO 3.7.4 Four ARV lines shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One ARV line inoperable A.1 Restore required ARV line 7 days

~

for reasons other than to OPERABLE status.

excessive leakage.

B. Two ARV lines inoperable B.1 Restore all but one 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> for reasons other than required ARV line to excessive leakage. OPERABLE status.

C Three or more ARV lines C.1 Restore all but two ARV 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> inoperable for reasons lines to OPERABLE other than excessive status.

leakage.

(continued)

Wolf Creek - Unit 1 3.7-12 Amendment No. 123, 127, 155, 171, 177 I