ML20236Q169

Proposed Tech Spec Surveillance Requirement 4.7.1.2,revising Conditions for UHS Water Temp

ML20236Q169
Person / Time
Site:	River Bend
Issue date:	11/13/1987
From:	GULF STATES UTILITIES CO.
To:
Shared Package
ML20236Q156	List: ML20236Q169 RBG-26988, Application for Amend to License NPF-47,revising Tech Spec Surveillance Requirements for Standby Svc Water Sys UHS Instrumentation.Justification & NSHC Encl
References
NUDOCS 8711190221
Download: ML20236Q169 (1)

Text

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PLANT SYSTEMS y.

SURVEILLANCE REQUIREMENTS 4.7.1.2 The standby cooling tower and water storage basin 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 basin water level to be at least elevation 111'10".

arithmetical-

b. By verifying thegaverage# water temperature to be less than or equal to 82*F:

1. and At least once The per 24 room control hours,a larm is inoperable and i l

2. At least once per 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> when3 the last recorded basin water tem-t and perature is The greater controlthan roomoralarm equalistoinopera 75'F, ble and

3. At'least once per 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> when4the last recorded basin water tem-perature is greater than or equal to 80*F. ,

c. At least once per 31 days by starting the cooling tower fans in each cell from the control room a~nd operating each fan cell for at least 15 minutes.

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8'711190221 071113 PDR ADOCK 05000458 P PDR

• The average shall' include at least 4 operable sensors of which at least half shall be located above elevation 94'-0".

RIVER BEND - UNIT 1 3/4 7-4

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