AECM-90-0154, Proposed Tech Spec 3/4.5.2 Re Alternate DHR Sys
| ML20056B353 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 08/20/1990 |
| From: | ENTERGY OPERATIONS, INC. |
| To: | |
| Shared Package | |
| ML20056B352 | List: |
| References | |
| AECM-90-0154, AECM-90-154, NUDOCS 9008280169 | |
| Download: ML20056B353 (3) | |
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PROPOSED TECHNICAL SPECIFICATION 3/4.5.2 1
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EMERGENCY CORE COOLING SYSTEMS i.
3/4 5.2 ECCS - $ NUT 00WN
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LIMITING CON 0! TION FOR OPERATION 3.5.2 At least t a following shall be OPERABLE M The low pressure core spray (LPCS) system with a flow path capable a.
i of taking suction from the suppression pool and transferring the water through the spray sparger to the reactor vessel.
b.
Lowpressurecoolantinjection(LPCI)subsysten"A"oftheRNRsystem with a flow path capable of taking suction from the suporessfon pool
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a reactor vessel.
Lowpressurecoolantinjection(LPCI)subsysten"B"oftheRNRsystem c.
with a flow path capable of taking suction from the suppression pool
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reactor vessel..
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Lowpressurecoolantinjection(LPCI with a flow path capable of taking su)ction from the suppression
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reactor vessel.
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The high pressure core spray (HPCS) system with a flow path capable-e.
of taking suction from one of the following water sources and trans-ferring the water through the spray sparger to the reactor vessel:
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From the suppression pool, or 2.
When the suppression pool level is less than the limit or is drained, from the condensate storage tank containing at least 170,000 available gallons of water, equivalent to a level of 18 feet.
APPLICA8ILITY:
OPERATIONAL CONDITION 4 and 58 ACTION:
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With both of the above required subsystems / systems inoperable, suspend CORE ALTERATIONS and all operations that have a potential for draining the reactor vessel.
Restore at least one subsystas/ system to 0PEMBLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or establish SECONDARY CONTAIPMENT INTEGRITY within the next 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.
The ECCS is not required to be OPERA 8LE provided that the reactor vessel head is removed, the cavity is flooded, the rcactor cavity and transfer canal gates in the upper containment pool are removed, and water level is maintained within the Itaits of Specifications 3.9.8 and 3.9.9.
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C4& EFT GRAND GULF-UNIT 1 3/4 5-6 Amendment No. 58 3
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INSER1 1 TO TS 3/4.5.2 Page 3/4 5-6 With one of the above required subsystenis/ systems inoperable, provided an automatic subsystem / system is OPERABLE, restore at least two subsystems / systems to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or suspend all operations that have a potential for draining the reactor vessel. Otherwise, with no automati:
subsystem / system OPERABLE, suspend all operations that have a potential for draining the reactor vessel INSERT 2 TO TS 3/4.5.2 Page 3/4 5-6 One of the two required ECCS subsystems / systems : hall have an OPERABLE associated diesel generator.
One of the two required ECCS subsystems / systems may require manual realignment prior to initiation and injection.
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