ML20236R478

Proposed Tech Specs 3/4.7.5 Revising UHS by Adding Temporary New Action Statement

ML20236R478
Person / Time
Site:	Wolf Creek
Issue date:	07/17/1998
From:	WOLF CREEK NUCLEAR OPERATING CORP.
To:
Shared Package
ML20236R473	List: ML20236R471 ML20236R478
References
NUDOCS 9807220061
Download: ML20236R478 (2)

Text

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e Attachrgent I'V to WM 98-0091

• Page-1 of 2

1. 4 AITACHMENT IV PROPOSED TECHNICAL SPECIFICATION CHANGES CUIUCNT TECHNICAL SPECIFICATIONS I

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Attachment IV to WM 98-0091 Page 2 of 2 a

PLANT SYSTEMS 3/4.7.5 ULTIMATE HEAT SINK LIMITING CONDITION FOR OPERATION 3.7.5 The ultima;e heat sink (UHS) shall be OPERABLE with:

a. The crest of the UHS dam below the rip rap cover and corresponding water level at or above elevation 1070 Mean Sea Level, USGS datum and

b. The nk *. :.dm water temperature oiless than or equal to 90'F.

APPLICABILITY: MODES 1,2,3. and 4.

, ACTION:

With the requirements of the above specification not satisfied, 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 />.

NOTE: Until September 30,1998, the folicwing ACTIONS supercede the above ACTION:

a. With the plant inlet water temperature >90 F but <95'F:

1. within one hour verify two trains of residual heat removal, two trains of j component cooling water, and two trains of essential service water are OPERABLE, j l

2. verify at least once per hour that the plant inlet water temperature is <95 F, and i

3. within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> restors the plant inlet water temperature to 90*F or less.

4. With any of the above requirements not satisfied, 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 />.

b. With the UHS inoperable for any reason other than temperature, 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 />.

SURVEILLANCE REQUIREMENTS 4.7.5 The UHG shall be determined OPERABLE:

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 the above required water temperature and water level to be within their limits, and

b. At least once per 12 months by verifying that the crest of the UHS dam below the rip rap cover is at or above elevation 1070 Mean

. Sea Level, USGS datum. l WOLF CREEK - UNIT 1 3/4 7-13 ,

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