ML071300022

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Technical Specifications, Issuance of Amendment Nos. 212 and 204 to Revise TS 3.7.1, Main Steam Safety Valves Requirements and Actions
ML071300022
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 06/05/2007
From:
NRC/NRR/ADRO/DORL/LPLIV
To:
Kalyanam N, NRR/DORL/LP4, 415-1480
Shared Package
ML071300015 List:
References
TAC MD3854, TAC MD3855
Download: ML071300022 (6)


Text

MSSVs 3.7.1 3.7 PLANT SYSTEMS 3.7.1 Main Steam Safety Valves (MSSVs)

LCO 3.7.1 The MSSVs shall be OPERABLE as specified in Table 3.7.1-1 and Table 3.7.1-2.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS


NOTE-------------------------------------

Separate Condition entry is allowed for each MSSV.

CONDITION REQUIRED ACTION COMPLETION TIME A. Two to seven required A.1 Reduce power to less 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> l MSSVs per SG than or equal to the l inoperable. applicable % RTP listed in Table 3.7.1-1.

AND A.2 Reduce the Linear 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> l Power Level High trip setpoint in accordance with Table 3.7.1-1.

SAN ONOFRE--UNIT 2 3.7-1 Amendment No. 212

MSSVs 3.7.1 CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time not met. AND OR B.2 Be in MODE 4. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> Eight or more required l MSSVs per SG l inoperable. l SAN ONOFRE--UNIT 2 3.7-2 Amendment No. 212

MSSVs 3.7.1 Table 3.7.1-1 (page 1 of 1)

Maximum Allowable Power Level l versus Inoperable MSSVs l MAXIMUM ALLOWABLE MAXIMUM l NUMBER OF INOPERABLE LINEAR POWER l ALLOWABLE POWER l MSSVs PER STEAM GENERATOR LEVEL HIGH TRIP l

(% RTP) l

(% RTP) 2 95 95 l l

3 56 56 l l

4 46 46 l l

5 to 7 MODE 3 Not applicable l SAN ONOFRE--UNIT 2 3.7-3 Amendment No. 212

MSSVs 3.7.1 Table 3.7.1-2 (page 1 of 1)

Main Steam Safety Valves (Lift Settings)

VALVE NUMBER LIFT SETTING*

Steam Generator Steam Generator (psig)

  1. 1 #2 2PSV-8401 2PSV-8410 1085 2PSV-8402 2PSV-8411 1092 2PSV-8403 2PSV-8412 1099 2PSV-8404 2PSV-8413 1106 2PSV-8405 2PSV-8414 1113 2PSV-8406 2PSV-8415 1120 2PSV-8407 2PSV-8416 1127 2PSV-8408 2PSV-8417 1134 2PSV-8409 2PSV-8418 1140
  • The lift setting pressure shall correspond to ambient conditions of the valve at nominal operating temperature and pressure. Each MSSV has an as-found tolerance of +2%/-3%. Following testing according to Technical l Specification 5.5.2.10, MSSVs will be set within +/-1% of the specified l lift setpoint.

SAN ONOFRE--UNIT 2 3.7-4 Amendment No. 212

MSSVs 3.7.1 3.7 PLANT SYSTEMS 3.7.1 Main Steam Safety Valves (MSSVs)

LCO 3.7.1 The MSSVs shall be OPERABLE as specified in Table 3.7.1-1 and Table 3.7.1-2.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS


NOTE-------------------------------------

Separate Condition entry is allowed for each MSSV.

CONDITION REQUIRED ACTION COMPLETION TIME A. Two to seven required A.1 Reduce power to less 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> l MSSVs per SG than or equal to the l inoperable. applicable % RTP listed in Table 3.7.1-1.

AND A.2 Reduce the Linear 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> l Power Level High trip setpoint in accordance with Table 3.7.1-1.

SAN ONOFRE--UNIT 3 3.7-1 Amendment No. 204

MSSVs 3.7.1 CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time not met. AND OR B.2 Be in MODE 4. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> Eight or more required l MSSVs per SG l inoperable. l SAN ONOFRE--UNIT 3 3.7-2 Amendment No. 204

MSSVs 3.7.1 Table 3.7.1-1 (page 1 of 1)

Maximum Allowable Power Level l versus Inoperable MSSVs l MAXIMUM ALLOWABLE MAXIMUM l NUMBER OF INOPERABLE LINEAR POWER l ALLOWABLE POWER l MSSVs PER STEAM GENERATOR LEVEL HIGH TRIP l

(% RTP) l

(% RTP) 2 95 95 l l

3 56 56 l l

4 46 46 l l

5 to 7 MODE 3 Not applicable l SAN ONOFRE--UNIT 3 3.7-3 Amendment No. 204

MSSVs 3.7.1 Table 3.7.1-2 (page 1 of 1)

Main Steam Safety Valves (Lift Settings)

VALVE NUMBER LIFT SETTING*

Steam Generator Steam Generator (psig)

  1. 1 #2 3PSV-8401 3PSV-8410 1085 3PSV-8402 3PSV-8411 1092 3PSV-8403 3PSV-8412 1099 3PSV-8404 3PSV-8413 1106 3PSV-8405 3PSV-8414 1113 3PSV-8406 3PSV-8415 1120 3PSV-8407 3PSV-8416 1127 3PSV-8408 3PSV-8417 1134 3PSV-8409 3PSV-8418 1140
  • The lift setting pressure shall correspond to ambient conditions of the valve at nominal operating temperature and pressure. Each MSSV has an as-found tolerance of +2%/-3%. Following testing according to Technical l Specification 5.5.2.10, MSSVs will be set within +/-1% of the specified l lift setpoint.

SAN ONOFRE--UNIT 3 3.7-4 Amendment No. 204