ML051890237

Tech Spec Pages for License Amendments 155, 155 and 155 Main Steam Safety Valves

ML051890237
Person / Time
Site:	Palo Verde
Issue date:	07/07/2005
From:	NRC/NRR/DLPM
To:
Fields M B ,NRR/DLPM,415-3062
Shared Package
ML051880505	List: ML051890237
References
TAC MC1933, TAC MC1934, TAC MC1935
Download: ML051890237 (5)

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. One to four 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 /> MSSVs per steam than or equal to the generator inoperable applicable % RTP in MODES 1 or 2. listed in Table 3.7.1-1.

AND A.2 Reduce the variable 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> I overpower trip - high setpoint in accordance with Table 3.7.1-1.

B. Required Actions 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 Times of Condition A not met.

OR Five to eight required MSSVs per steam generator inoperable in MODES 1 or 2.

(Continued)

PALO VERDE UNITS 1,2.3 3.7.1-1 AMENDMENT NO. Ago-7 155

MSSVs 3.7.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME C. Required Action and C.1 Be in MODE 4. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time of Condition B not met.

D. More than eight D.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 /> required MSSVs per steam generator inoperable. AND D.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 /> PALO VERDE UNITS 1,2,3 3.7.1-2 AMENDMENT NO. 447., 155

MSSVs 3.7.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY

.9.

SR 3.7.1.1 ------------------- NOTE--------------------

Not required to be performed prior to entry into MODE 3.

Verify each required MSSV lift setpoint per In accordance Table 3.7.1-2 in accordance with the with the Inservice Testing Program. Following Inservice testing, lift settings shall be within Testing Program

+/- 1%.

PALO VERDE UNITS 1.2.3 3.7.1-3 AMENDMENT NO. Aid1, i55

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

Variable Overpower Trip Setpoint versus OPERABLE Main Steam Safety Valves MINIMUM NUMBER NUMBER OF MAXIMUM POWER MAXIMUM ALLOWABLE OF MSSVs PER INOPERABLE (% RTP) VARIABLE OVERPOWER TRIP STEAM GENERATOR MSSVs PER or HIGHEST MODE SETPOINT'^a REQUIRED STEAM (Z RTP)

OPERABLE GENERATOR Units Units 1 and 3 Unit 2 1 and 3 Unit 2 10 0 100.0 100.0 111.0 111.0 9 1 98.2 90.0 108.0 99.7 8 2 87.3 80.0 97.1 89.7 7 3 76.4 68.0 86.2 77.7 6 4 65.5 56.0 75.3 65.7 5 5 MODE 3 MODE 3 NA NA 4 6 MODE 3 MODE 3 NA NA 3 7 MODE 3 MODE 3 NA NA 2 8 MODE 3 MODE 3 NA NA (a)The VOPT setpoint is not required to be reset in MODE 3.

PALO VERDE UNITS 1, 2 AND 3 AMENDMENT 155 PALO VERDE UNITS 1 AND 3 AMENDMENT NO. 44A PALO VERDE UNIT 2 3.7.1-4 AMENDMENT NO. 449

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

Main Steam Safety Valve Lift Settings VALVE NUMBER

_____ ____LIFT

____ ____ SETTING Steam Generator #1 Steam Generator #2 (psig +/- 3X)

SGE PSV 572 SGE PSV 554 1250 SGE PSV 579 SGE PSV 561 1250 SGE PSV 573 SGE PSV 555 1290 SGE PSV 578 SGE PSV 560 1290 SGE PSV 574 SGE PSV 556 1315 SGE PSV 575 SGE PSV 557 1315 SGE PSV 576 SGE PSV 558 1315 SGE PSV 577 SGE PSV 559 1315 SGE PSV 691 SGE PSV 694 1315 SGE PSV 692 SGE PSV 695 1315 PALO VERDE UNITS 1.2.3 3 3.7.1-5 AMENDMENT NO. Add1,155