ML20217F965
| ML20217F965 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 04/21/1998 |
| From: | NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO) |
| To: | |
| Shared Package | |
| ML20217F964 | List: |
| References | |
| NUDOCS 9804280326 | |
| Download: ML20217F965 (1) | |
Text
1 l
EMERGENCY CORE COOLING SYSTEMS 1
T SURVEILLANCE REQUIREMENTS 4.6.2 Each ECCS subsystem shall be demonstrated OPERABLE:
1 a.
At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying that the following valves are in l
the indicated positions with power to the valve operators removed:
Valve Number Valve Function Valve Position SI-V-3 Accumulator Isolation Open*
)
SI-V-17 Accumulator Isolation Open*
l SI-V-32 Accumulator Isolation Open*
l SI-V-47 Accumulator Isolation Open*
SI-V-114 SI Pump to Cold-Leg Isolation Open RH-V-14 RHR Pump to Cold-Leg Isolation Open RH-V-26 RHR Pump to Cold-Leg Isolation Open RH-V-32 RHR to Hot-Leg Isolation Closed RH-V-70 RHR to Hot-Leg Isolation Closed SI-V-77 SI to Hot-Leg Isolation Closed SI-V-102 SI to Hot-Leg Isolation Closed b.
At least once per 31 days by:
1)
Verifying that the ECCS piping is full of water by venting the ECCS pump casings (excluding the operating centrifugal charging pump) and accessible discharge piping high points, and l
2)
Verifying that each valve (manual, power-operated, or automatic) in the flow path that is not locked, sealed or otherwise secured l
in position is in its correct position.
c.
By a visual inspection which verifies that no loose debris (rags, trash, clothing, etc.) is present in the containment which could be transported l
to the containment sump and cause restriction of the pump suctions during i
LOCA conditions. This visual inspection shall be performed:
1)
For all accessible areas of the containment prior to establishing j
primary CONTAINMENT INTEGRITY, and 2)
At least once daily of the areas affected within containment by containment entry and during the final entry when primary CONTAINMENT INTEGRITY is established.
- Pressurizer pressure above 1000 psig.
(
SEABROOK - UNIT 1 3/4 5-5 Amendment No. M
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