ML20155A192

Proposed Tech Specs,Providing Addl Action Requirements to Tech Spec 3.1.3.1 to Be Met in Event Scram Discharge Vol Vent &/Or Drain Valves Become Inoperable

ML20155A192
Person / Time
Site:	River Bend
Issue date:	05/31/1988
From:	GULF STATES UTILITIES CO.
To:
Shared Package
ML20155A190	List: ML20155A192 RBG-27999, Application for Amend to License NPF-47,providing Addl Action Requirements to Tech Spec 3.1.3.1 to Be Met in Event Scram Discharge Vol Vent &/Or Drain Valves Become Inoperable.Fee Paid
References
NUDOCS 8806090277
Download: ML20155A192 (2)

Text

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REACTIVITY CONTROL SYSTEMS, LIMITING CONDITION FOR OPERATION (Continued)

ACTION (Continued)

Otherwise, insert the inoperable withdrawn control rod (s) and disarm the associated directional control valves

• either:

a) El'actrically, or b) Hydraulically by closing the drive water and exhaust water isolation valves.

2. If the inoperable control rod (s) is inserted, within one hour disarm the associated directional control valves" either:

a) Electrically, or b) Hydraulically by closing the drive water and exhaust water isolation valves.

Otherwise, be in at least HOT SHUT 00WN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

3. The provisions of Specification 3.0.4 are not applicable.

c. With more than 8 control rods inoperable, be in at least HOT SHUTDOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

"INSERT v SURVEILLANCE REQUIREMENTS 4.1.3.1.1 The scram discharge volume drain and vent valves shall be ,

demonstrated OPERABLE by:

a. At least once per 31 days verifying each valve to be open,** and

b. At least once per 92 days cycling each valve through at least one i complete cycle of full travel, t

4.1.3.1.2 When above the low power setpoint of the RPCS, all withdrawn control I rods not required to have their dire:tional control valves disarmed electrically or hydraulically shall be demonstrated OPERABLE by moving each control rod at least one notch:

a. At least once per 7 days, and

b. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when any control rod is immovable as a result of excessive friction or mechanical interference.

"May be rearned intermittently, under administrative control, to permit testing associated with restoring the control rod to OPERABLE status, a*These valves may be closed intermittently for testing under administrative controls.

RIVER BEND - UNIT 1 3/4 1-4 8806090277 880531 PDR ADOCK 05000458 P _ _ _ _ DCD . _ _ _ _ _ _ _ _ _ _ _ _ _ ____ ____ _

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INSERT for page 3/4 1-4

d. With one scram discharge volume vent valve and/or one scram discharge volume drain valve inoperable and open, restore the

' inoperable valve (s) to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or 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 />.

e. With two-Jcram discharge volume vent valves and/of 1mm scram discharge volume draln valves inoperable and oper., restore one valve in the vent line and one valve in 'ne drLin line to OPERABLE status within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> and restore all valves to OPERABLE status within the r. ext 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> or'close at least one vent velve and ons drain valve and be in at lebsi 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 />,

f. With any scram discharge volume vent valve (s) and/or any scram discharge volume drain valve (s) inoperable and closed except when required.by ACTION statement e above. restore all valves to OPERABLE status within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or 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 />.

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