ML18291A628

Request for License Amendment - Technical Specification 3.3.8.1, Loss of Power (LOP) Instrumentation

ML18291A628
Person / Time
Site:	Brunswick
Issue date:	10/18/2018
From:	Gideon W R Duke Energy Progress
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RA-18-0148
Download: ML18291A628 (55)

Text

Loss of Power (LOP) Instrumentation Loss of Power (LOP) Instrumentation, Loss of Power Instrumentation4.16 kV Emergency Bus (Loss of Voltage) Undervoltage and Time Delay Uncertainty and Setpoint Calculation (For 4kV 1-E1(E2)-AE7(AG5)-27/59E and 2-E3(E4)-AI3(AK0)-27/59E)

U.S. Nuclear Regulatory Commission Page 2 of 3 I declare, under penalty of perjury, that the foregoing is true and correct. Executed on October 18, 2018. Sincerely, William R. Gideon MAT/mat

Enclosure:

Description and Assessment of the Proposed Change Attachment 1: Proposed Technical Specification Changes (Mark-Up)

-Unit 1 Attachment 2: Proposed Technical Specification Changes (Mark-Up)

-Unit 2 Attachment 3: Revised (Typed) Technical Specification Pages -Unit 1 Attachment 4: Revised (Typed) Technical Specification Pages -Unit 2 Attachment 5: Calculation 04KV-0001, 4.16 kV Emergency Bus (Loss of Voltage) Undervoltage and Time Delay Uncertainty and Setpoint Calculation (For 4kV 1-E1 (E2)-AE7(AG5)-27/59E and 2-E3(E4)-Al3(AK0)-27/59E)

Loss of Power (LOP) Instrumentation

4.16 kV Emergency Bus (Loss of Voltage) Undervoltage and Time Delay Uncertainty and Setpoint Calculation (For 4kV 1-E1(E2)-

AE7(AG5)-27/59E and 2-E3(E4)-AI3(AK0)-27/59E)

Loss of Power (LOP) Instrumentation, Loss of Power Instrumentation Loss of Power InstrumentationLoss of Power Instrumentation 4.16 kV Emergency Bus (Loss of Voltage) Undervoltage and Time Delay Uncertainty and Setpoint Calculation (For 4kV 1-E1(E2)-AE7(AG5)-27/59E and 2-E3(E4)-AI3(AK0)-27/59E)

Technical specifications Loss of Power InstrumentationGeneral Design Criteria for Nuclear Power Plant Construction Electric power systemsInspection and testing of electric power systemsLoss of Power (LOP) Instrumentation,Loss of Power InstrumentationIssuance of amendment

LOP Instrumentation 3.3.8.1 Brunswick Unit 1 3.3-71 Amendment No. 239 Table 3.3.8.1-1 (page 1 of 1) Loss of Power Instrumentation FUNCTION REQUIRED CHANNELS PER BUS SURVEILLANCE REQUIREMENTS ALLOWABLE VALUE

1. 4.16 kV Emergency Bus Undervoltage (Loss of Voltage)

a. Bus Undervoltage

1

SR 3.3.8.1.2 SR 3.3.8.1.4

3115 V and 3400 V b. Time Delay 1 SR 3.3.8.1.2 SR 3.3.8.1.4

0.5 seconds

and 2.0 seconds 2. 4.16 kV Emergency Bus Undervoltage (Degraded Voltage)

a. Bus Undervoltage

3 SR 3.3.8.1.1 SR 3.3.8.1.3 SR 3.3.8.1.4

3706 V and 3748 V b. Time Delay 3 SR 3.3.8.1.1 SR 3.3.8.1.3 SR 3.3.8.1.4

9.0 seconds

and 11.0 seconds

LOP Instrumentation 3.3.8.1 Brunswick Unit 2 3.3-71 Amendment No. 267 Table 3.3.8.1-1 (page 1 of 1) Loss of Power Instrumentation FUNCTION REQUIRED CHANNELS PER BUS SURVEILLANCE REQUIREMENTS ALLOWABLE VALUE

1. 4.16 kV Emergency Bus Undervoltage (Loss of Voltage)

a. Bus Undervoltage

1

SR 3.3.8.1.2 SR 3.3.8.1.4

3115 V and 3400 V b. Time Delay 1 SR 3.3.8.1.2 SR 3.3.8.1.4

0.5 seconds

and 2.0 seconds 2. 4.16 kV Emergency Bus Undervoltage (Degraded Voltage)

a. Bus Undervoltage

3 SR 3.3.8.1.1 SR 3.3.8.1.3 SR 3.3.8.1.4

3706 V and 3748 V b. Time Delay 3 SR 3.3.8.1.1 SR 3.3.8.1.3 SR 3.3.8.1.4

9.0 seconds

and 11.0 seconds

Rev. # Pages Revised Pages Deleted Pages Added Rev. # Type Pages Revised Pages Deleted Pages Added