ML20153B254
| ML20153B254 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 07/08/1988 |
| From: | SYSTEM ENERGY RESOURCES, INC. |
| To: | |
| Shared Package | |
| ML20153B253 | List: |
| References | |
| NUDOCS 8807130020 | |
| Download: ML20153B254 (2) | |
Text
'
NL 86-o5 REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM ACCUMULATORS LIMITING CONDITION FOR OPERATION 3.1.3.3 All control rod scram accumulators shall be OPERABLE:
APPLICABILITY: OPERATIONAL CONDITIONS 1, 2 and 5*.
ACTION:
a.
In OPERATIONAL CONDITIONS 1 an~d 2:
1.
With one control rod scram accumulator inoperable, within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />; a)
Restore the inoperable accumulator to OPERABLE status, or b)
Declare the control rod associated with the inoperable accumulator inoperable.
Othervise, be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
2'.
With more than one control rod scram accumulator inoperable, declare the associated control rods inoperable and:
a)
If the control rod associated with any inoperable scram accumulator is withdrawn, immediately verify that at least one control rod drive pump is operating by inserting at least one withdrawn control rod at least one notch or place the reactor mode switch in the Shutdown position, b)
Insert the inoperable control rods and disarm the associated directional control valves either:
1)
Electrically, or 2)
Hydraulically by closing the drive water and exhaust water isolation valves.
M Otherwise, be in at least HOT SHUTD0b'N within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
mez R@u-b.
In OPERATIONAL CONDITION 5*:
08 1.
With one withdrawn control rod with its associated scram accumulator inoperable, insert the affected control rod and 20 disarm the associated directional control valves within one og SS hour, either:
Q<
a)
Electrically, or Sa-b)
Hydraulically by closing the drive water and exhaust water isolation valves.
@h 2.
With more than one withdrawn control rod with the associated scram accumulator inoperable or with no control rod drive pump operating, immediately place the reactor mode switch in the
]NSERT c,d j Shutdown position, g.
The provisions of Specification 3.0.4 are not applicable.
Not "At least the accumulator associated with each withdrawn control rod.
applicable to control rods removed per Specification 3.9.10.1 or 3.9.10.2.
GRAND GULF-UNIT'1 3/4 1-8 AwJmt _
INSERT c.
With.one or more accumulator pressure detector.or alarm inoperable, verify accur.1ulator pressure to be > 1520 psig at least once per-24 hours.
d.
With one or more accumulator l'eak detector inoperable, verify accumulated water drained at least one per 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />.
4 J14 MISC 880707 - 1 l
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