ML20087A118

Proposed TS 3/4 5-1 Re Verification That Each Safety Injection Tank Isolation Valve Open Will Not Be Required Due to Valve Being Mechanically Secured in Open Position

ML20087A118
Person / Time
Site:	Calvert Cliffs
Issue date:	12/31/1991
From:	BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML20087A116	List: ML20087A113 ML20087A118
References
NUDOCS 9201080196
Download: ML20087A118 (2)

Text

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UNIT I TECllNICAL SI'ECIFICATION REVISED PAGES 3/451 l

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1/jLS EMERGENCY CORE (q0 LING SYSTEMS (ECCS)

SAFETY INJECTION TANKS 11MITINGlWiDJT10N FOR OPERATION 3.5.1 Each reactor coolant system safety injection tank shall be OPERABLE with:

a.

The isolation valve open, b.

A contained borated water volume of between 1113 and 1179 cubic feet of borated water (equivalent to tank levels of between 187 and 199 incnes, respectively),

c.

A boron concentration of bttween 2300 and 2700 ppm, and d.

A nitrogen cover pressure of between 200 and 250 psig.

APPLICABillJTl: H0 DES 1, 2 and 3.

k ACTION:

a.

With one safety injection tank inoperable, except as a result of a closed isolation valve, restore the inopernble tank to OPERABLE status within one hour or be in H01 SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />, b.

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With one safety injection tank inoperable due to the isolation valve being closed, either immediately open the isolation valve or be in HOT STANDBY within one hour and be in HOT SHU1DOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

SURVU1LAltCllLEUJAQiLNTS 4.5.1 Each safety injection tank shall be demonstrated OPERABLE:

a.

At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by:

1.

Verifying the contained borated water volume and nitrogen cover-pressure in the tanks, and 2.

Verifying hat each safety injection tank isolation valve is open pmWnW"AM E(Tec H w % h4 M e) + p i,c c h w k & q n h ie 3 Gern Rd<ely chge iD LSps;ny 199d %Qs,'eciC.cGhn is mb Regained M J-w1-4+/ because. h valx h46 been.mechar'icall secure 2 M de crea poslym t

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CALVERT CLIFFS UNIT 1 3/4 5 1 Amendment No. /E/EE.)T6 153

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