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 N 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' FUNCTION APPLICABLE MODES OR OTHER SPECIFIED CONDITIONS REQUIRED CHANNELS CONDITIONS SURVEILLANCE REQUIREMENTS ALLOWABLE VALUE (a) 4. Steam Line Isolation (continued)

e. Steam Line Pressure (1 ) Low 1,2(i),3(b)(i) 3 per steam line 0 SR 3.3.2.1 SR 3.3.2.5 SR 3.3.2.9 SR 3.3.2.10 571 psig(c) (2) Negative Rate High 3(g)(i) 3 per steam line 0 SR 3.3.21 SR 3.3.2.5 SR 3.3.2.9 SR 3.3.2.10 s 125(h) psi 5. Turbine Trip and FeedWaler Isolation

a. Automatic Actuation Logic and Actuation Relays (SSPS) 1,20),3(j) 2 trains G SR 3.3.22 SR 3.3.2.4 SR 3.3.2.6 SR 3.3.214 NA b. Automatic Actuation Logic (MSFIS) I.Z(k),3(k) 2 trains G SR 3.3.26 NA c. SG Water Level -High High (P.14) 1,2(j) 4 per SG SR 3.3.2.1 SR 3.3.2.5 SR 3.3.2.9 SR 3.3.2.10 of Narrow Range Instrument Span 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. 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. 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 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 FUNCTION APPLICABLE MODES OR OTHER SPECIFIED CONDITIONS REQUIRED CHANNELS CONDITIONS SURVEILLANCE REQUIREMENTS ALLOWABLE VALUE (a) 6. Auxiliary Feedwater

a. Manual Initiation 1,2,3 1 per pump 0 SR 3.3.2.8 NA b. Automatic Actuation Logic and Actuation Relays (Solid State Protection System) 1.2,3 2 trains G SR 3.322 SR 3.3.2.4 SR 3.32.6 NA c. Aulomatic Actuation Logic and Actuation Relays (Balance 01 Plant ESFAS) 1,2.3 2 trains N SR 3.3.23 NA d. SG Water Level Low* Low 1,2,3 4 per SG 0 SR 3.321 SR 3.3.2.5 SR 3,32.9 SR 3.3210 22.3% of Narrow Range Instrument Span 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 SR 3.32.10 NA g. Trip of all Main Feedweler Pumps 2 per pump J SR 33,2,8 NA h. Auxiliary Feedwater Pump Suction Transfer on Suction Pressure*

Low 1,2.3 3 M SR 33,2.1 SR 3.3.2.9 SR 3.3.2.10 SR 3.3.2.12 2: 20.53 pSia (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 Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulating Valves (MFRVs) and MFRV Bypass Valves LCO Each MFIV and its associated actuator trains, MFRV and MFRV bypass valve for the four main feedwater lines shall be OPERABLE.

MODE 1 MODES 2 and 3, except for each affected main feedwater line when: The MFIV is closed and deactivated; or 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 inoperable.

A.1 Restore MFIV actuator train to OPERABLE status. 7 days B. Two MFIV actuator trains inoperable for different MFIVs when the inoperable actuator trains are not in the same separation group. B.1 Restore one MFIV actuator train to OPERABLE status. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> C. Two MFIV actuator trains inoperable when the inoperable actuator trains are in the same separation group. C.1 Restore one MFIV actuator train to OPERABLE status. 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (continued)

\

3.7.3 MFIVs

and MFRVs and MFRV Bypass Valves SURVEILLANCE REQUIRMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.7.3.2 Only required to be performed in MODES 1 and 2. Verify each actuator train actuates the MFIV to the isolation position on an actual or simulated actuation signal. 18 months SR 3.7.3.3 ------------------------N Only required to be performed in MODES 1 and 2. Verify each MFRV and MFRV bypass valve actuates to the isolation position on an actual or simulated actuation signal. 18 months Wolf Creek -Unit 1 3.7-11 Amendment No. 123, 171, 177 ARVs 3.7.4 3.7 PLANT 3.7.4 Atmospheric Relief Valves LCO 3.7.4 Four ARV lines shall be APPLICABILITY:

MODES 1, 2, and 3. ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One ARV line inoperable for reasons other than excessive leakage. A.1 Restore required ARV line to OPERABLE status. 7 days B. Two ARV lines inoperable for reasons other than excessive leakage. B.1 Restore all but one required ARV line to OPERABLE status. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> C Three or more ARV lines inoperable for reasons other than excessive leakage. C.1 Restore all but two ARV lines to OPERABLE status. 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (continued)

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