ML032300021

Tech Spec Pages for Amendments Revising Limiting Conditions for Operation, the Associated Conditions and Required Actions of Technical Specification 3.7.1 and Values in Table 3.7.1-1

ML032300021
Person / Time
Site:	Byron, Braidwood
Issue date:	08/12/2003
From:	NRC/NRR/DLPM
To:
References
TAC MB6077, TAC MB6078, TAC MB6079, TAC MB6080
Download: ML032300021 (6)

Text

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

LCO 3.7.1 Five MSSVs per steam generator shall be OPERABLE. I APPLICABILITY: MODES 1, 2, and 3.

ACTIONS

---

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

Separate Condition entry is allowed for each MSSV.

CONDITION REQUIRED ACTION COMPLETION TIME A. One or more steam A.1 Reduce THERMAL POWER 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> generators with one or to less than or equal more MSSVs inoperable. to the Maximum Allowable % RTP specified in Table 3.7.1-1 for the number of OPERABLE MSSVs.

AND A.2 - ----NOTE--

Only required in Mode 1.

Reduce the Power 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> Range Neutron Flux-High reactor trip setpoint to less than or equal to the Maximum Allowable X RTP specified in Table 3.7.1-1 for the number of OPERABLE MSSVs.

BYRON - UNITS 1 & 2 3.7.1 - 1 Amendment 133

MSSVs 3.7.1 ACTIONS (continued)

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. ANLD 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 /> One or more steam generators with > 4 MSSVs inoperable. I SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.1.1 ------------------- NOTE-------------

Only required to be performed in MODES 1 and 2.

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 setting shall be within +/- 1%. Testing Program BYRON - UNITS I & 2 3.7.1 - 2 Amendment 133

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

OPERABLE Main Steam Safety Valves versus Maximum Allowable Power I NUMBER OF OPERABLE -MAXIMUM ALLOWABLE MSSVs PER STEAM POWER (% RTP)

GENERATOR 4 < 56 3 < 39 2 < 23 BYRON - UNITS 1 & 2 3.7.1 - 3 Amendment 133

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

LCO 3.7.1 Five MSSVs per steam generator shall be OPERABLE. I APPLICABILITY: MODES 1, 2, and 3.

ACTIONS

---

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

Separate Condition entry is allowed for each MSSV.

CONDITION REQUIRED ACTION COMPLETION TIME A. One or more steam A.1 Reduce THERMAL POWER 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> generators with one or to less than or equal more MSSVs inoperable. to the Maximum Allowable % RTP specified in Table 3.7.1-1 for the number of OPERABLE MSSVs.

AND A.2 ------- NOTE---

Only required in Mode 1.

Reduce the Power 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> Range Neutron Flux -

High reactor trip setpoint to less than or equal to the Maximum Allowable

% RTP specified in Table 3.7.1-1 for the number of OPERABLE MSS~s.

BRAIDWOOD - UNITS 1 & 2 3.7.1 - 1 Amendment 128

MSSVs 3.7.1 ACTIONS (continued)

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 /> One or more steam generators with Ž 4 MSSVs inoperable. I SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.1.1 --------------- NOTE--------------------

Only required to be performed in MODES 1 and 2.

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 setting shall be within +/- 1X. Testing Program BRAIDWOOD - UNITS 1 & 2 3.7.1 - 2 Amendment 128

MSSVs 3.7.1

. 'Table 3.7.1-1 (page 1 of 1)

OPERABLE Main Steam Safety Valves Versus Maximum Allowable Power I NUMBER OF OPERABLE MAXIMUM ALLOWABLE MSSVs PER STEAM POWER (% RTP)

GENERATOR I

4

• 56 I 3 < 39 I 2

• 23 I BRAIDWOOD - UNITS 1 & 2 3.7.1 - 3 Amendment 128