ML20136H748
| ML20136H748 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 11/19/1985 |
| From: | BOSTON EDISON CO. |
| To: | |
| Shared Package | |
| ML20136H698 | List: |
| References | |
| NUDOCS 8511250189 | |
| Download: ML20136H748 (3) | |
Text
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,s LIMITING CONDITION FOR OPERATION SURVEILLANCE REQUIREMENT 3.3.C Scram Insertion Time 4.3.C. Scram Insertion Time 2.
The average of the scram 2.
Within each 120 days of insertion times for the three operation, a minimum of 10%
fastest control rods of all of the control rod drives, groups of four control rods on a rotating basis, shall in a two by two array shall be scram tested as in 4.3.C.I.
be no greater than:
An evaluation shall be completed every 120 days
% Inserted Avg. Scram of operation to provide From Fully Insertion reasonable assurance that Withdrawn Time Sec.
proper performance is being maintained.
10
.58 30 1.35 50 2.12 90 5.30 3.
The maximum scram insertion time for 90% insertion of any operable control rod shall not exceed 7.00 seconds.
D.
-At all reactor operating Once a shift, check the status of pressures, a rod accumulator may the pressure and level alarms for be inoperable provided that no each accumulator.
other control rod in the nine-rod square array around this rod has a:
1.
2.
Directional control valve
. electrically disarmed while in a.non-fully inserted position.
3.
Scram insertion time greater than the maximum permissible insertion time.
If a control rod with an inoperable accumulator is inserted " full-in" and its directional control valves are electrically disarmed, it shall not be considered to-have an inoperable accumulator.
hhh DO K O
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P
~ Amendment No.
84
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