ML18283B578
| ML18283B578 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry |
| Issue date: | 10/10/2018 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML18283B578 (1) | |
Text
BFNP Table 7.12-7
SUMMARY
OF OPERATIONALNUCLEAR SAFETY REQUIREMENTS BWR OPERATING STATES APPLICABILITYCONDITIONS UNISOLATED LINES SYSTEM EQUIPMENT
- 1. Reactor building ventilation high radiation chan-nels, refueling zone.
NOMINAL TRIP SETTING 100 mr/hr MAJOR APPLICABILITY CONDITION Equipment sus-pended over the fuel pool.
C D
E X
X X
REACTOR BUILDING VENTILATION DRYWELL PURGE INLET DRYWELL MAIN EXHAUST X
DRYWELL EXHAUST VALVE BYPASS SUPP.
CHAMBER PURGE INLET SUPP.
SUPP.
CHAMBER CHAMBER EXHAUST MAIN
'ALVE
- EXHAUST, BYPASS TIP GUIDE TUBES DRYWELLAND SUPP.
CHAMBER EXHAUST TO STANDBY GAS TREAT.
CONDITION I if 2 channels continuously or 1 for allowable repair time.
CONDITION II" 2 channels continuously or 1 for allowable repair time.
REQUIRED NUMBER OF OPERABLE COMPONENTS ALLOWABLE REPAIR TIME FOR CONDITION II I month ACTION REQUIRED WHEN OPERABILITY NOT ASSURED (See Notes)
OI b, c Sr d SURVEILLANCE TEST FREQUENCY 3 months
- 2. Reactor building ventilation high radiation chan-nels, reactor zone.
100 mr/hr System Leakage X
X X
I channel operable 1 channel operable Not applicable OI c 3 months Notes:
a.
Isolate the reactor building and start the Standby Gas Treatment System
- b. Do not suspend equipment over the fuel pool c.
Isolate all affected lines
- d. Do not suspend equipment over the reactor core "Condition I:
One trip system of the isolation control system (subsection 7.3) inoperable.
""Condition II:
Both trip systems of the isolation control system (subsection 7.3) operable.
7.12 19/7.12 20