ML18051A945

Proposed Tech Specs,Limiting Use of Containment Purge & Ventilation Sys to Cold Shutdown Condition

ML18051A945
Person / Time
Site:	Palisades
Issue date:	06/13/1984
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML18051A944	List: ML18051A942 ML18051A945
References
NUDOCS 8406210386
Download: ML18051A945 (3)

Text

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CONSUMERS POWER COMPANY PALISADES PLANT - DOCKET 50-255 - LICENSE DPR-20 PROPOSED TECHNICAL SPECIFICATIONS CHANGE REQUEST PROPOSED PAGES 8406210386 8406.13

• 2 Pages PDR ADOCK 05000255 . .

P. * .*** PDR OC0384-0015C-NL02

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3.6.4 Two independent containment hydrogen recombiners shall be operable Vl when the reactor is at power or at hot s~andby. With one hydrogen -~

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.i::-c recombiner system inoperable, restore the inoperable system to -'1::

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operable status within 30 days or be in at least hot shutdown within o~

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the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />. f:.

3.6.5 Containment Purge and Ventilation Systems

a. . The containment purge and ventilation isolation valves shall be electrically locked closed whenever the reactor is in a HOT SHUTDOWN, HOT STANDBY, or POWER OPERATION condition.

b. With one containment purge or one ventilation valve open, close the open valve within one hour or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

BASIS The containment purge and ventilation isolation valves are required to be closed during normal plant operations, conditions other than COLD SHUTDOWN, until it canbe demonstrat;ed that the valves meet the requirements of Standard Review_ Plan 6.2.4 and Branch Technical Position CSB 6-4. To ensure that the valves are closed and that the seals have not degraded, a between the valves leak rate test will be performed. Maintaining these valves closed during plant operations ensures that excessive quantities of radioactive materials will not be released via the containment purge or ventilation system.

3-40a PROPOSED TS0384-0013A-NL02

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Table 4.2.2 (Continued) e Minimum Frequencies for Equipment Tests

12. Iodine Removal System The Iodine Removal System shall be demonstrated operable:

a. At least once per 31 days by verifying that each valve (manual, power operated or automatic) in the flow path that is not locked, sealed or otherwise secured in position, is in its correct position.

b. At least once per 6 months by:

1. Verifying that tanks T-102 and T-103 contain the minimum required volumes.

2. Verifying the concentration of hydrazine in T-102 and sodium hydroxide in T-103.

c. At least once per refueling cycle, during shutdown, by verifying that each automatic valve in the flow path actuates to its correct position.

13. Primary Coolant Gas Vent System At least one vent path from the reactor vessel and pressurizer to

'i:J containment shall be demonstrated operable: 'i 0

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a. Prior to start-up and at least once very 31 days by verifying en

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emergency power is available.

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b. At least once every refueling cycle by verifying each power- w 0

operated valve can be positioned from the control room and each CP manual valve is in its correct po_sition. [\)

14. Containment Purge and Ventilation Isolation Valves The Containment Purge and Ventilation Isolation Valves shall be determined closed:

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 checking the valve position indicator in the control room

b. At least once every 6 months by performing a leak rate test between the valves.

4-15b PROPOSED TS0384-0014A-NL02