ML20210P513
| ML20210P513 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 09/22/1986 |
| From: | SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML20210P451 | List: |
| References | |
| TAC-63080, NUDOCS 8610060787 | |
| Download: ML20210P513 (2) | |
Text
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t RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Table 3.5.1-1 (Continued)
INSTRUMENTS OPERATING CONDITIONS (c)
(A)
(B)
Operator Action if Functional Unit Total Number of Minimum Channels Conditions of Columns A Channels Operable and B Cannot be Met 9.
Reactor Building Purge Isolation 2
1 Operation may continue provided the purge on high radiation inlet & outlet valves of the inoperable i
channel (s) are closed & their respective breakers de-energized or comply with 3.5.1.2.
At cold shutdown or refueling, each of the purge inlet and outlet valves will be closed.
f Auxiliary feedwater 1.
Low Main feedwater Pressure:
See Section 3.5.1.2 i
I Start Motor Driven Pump and Turbine Driven Pump 2
1 150><2.
Undercurrent RCP:
Start Motor Driven and Turbine Driven Pumps 2
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i Proposed Amendment No. 150 3-30a 861006d3787 8605N22 PDR ADOCK ODOCH3312 1
p POR i
RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Sureelliance Standards Table 4.1-1 (Continued)
INSTRUMENT SURVEILLANCE REQUIREMENTS s'
Channel Description Check Test Calibrate Remarks 42.
Reactor Building drain accumulation tank level NA NA R
43.
Incore neutron detectors M(1)
NA NA (1) Check functioning, including f unctioning of computer read-out and/or recorder reJdout.
44, a.
Process and area radt-ation neonitoring system W
M Q
b.
Containment Area Moni tors W
NA R
45.
Emergency plant radiation Instruments M(1)
NA R
(1) Battery check 46.
Environmental air monitors M(1)
NA R
(1) Check functioning 47.
Strong motion accelerometer Q(1)
NA R
(1) Battery check 48.
Auxiliary Feedwater Start Circuit 150 4 a.
Undercurrent RCP S
NA R
b.
Low Main Feedwater Pressure NA M
R 49.
Pressurizer Water Level M
NA R
50.
Auxiliary Feedwater Flow Rate M
NA R
51.
Reactor Coolant System Sub-cooling Margin Monitor M
NA R
52.
EMOV Power Position Indicator (Primary Detector)
M NA R
53.
EMOV Position Indicator (Backup Detector)
M NA R
T/C or Acoustic 54.
EMOV Block Valve Position ^
Indicator M
NA R
55.
Safety Valve Position In-dicator (Primary Detector)
M NA R
T/C 56 Safety Valve Position In-dicator (Backup Detector)
Acoustic M
NA R
Proposed Amendment No. 150 4-7b