ML17229A748

Proposed Tech Specs Section 3.5.1,removing Requirement for SITs to Be Operable in Mode 4,which Will Minimize Potential for Inadvertent SIT Discharge During RCS Cooldown/ Depressurization Evolutions

ML17229A748
Person / Time
Site:	Saint Lucie
Issue date:	05/27/1998
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17229A747	List: ML17229A746 ML17229A748
References
NUDOCS 9806030220
Download: ML17229A748 (2)

Text

St. Lucie Unit 2 Dock'et No. 50-389 Proposed License Amendment Safet In'ection Tanks-MODE 4 ATTACHMENT3 to L-98-115 ST. LUCIE UNIT 2 MARKED-UP TECHNICAL SPECIFICATION PAGE Page 3/4 5-1 9806030220 '80527 PDR ADOCK 05000389 P PDR

3/4.5 EMERGENCY CORE COOLING SYSTEMS ECCS) 3/4. 5. 1 SAFETY INJECTION TANKS LIMITING CONDITION FOR OPERATION 3.5.1'ach Reactor Coolant System safety injection tank shall be OPERABLE with:

a. The isolation valve .open,

b. A contained borated water volume of between 1420 and 1556 cubic feet,

c. A boron concentration of between 1720 and 2100 ppm of boron, and

d. A nitrogen cover-pressure of between 500 and 650 psig.

APPLICABILITY: MODES 1, 2., 3" n ACTEON: md ao With one safety injection tank inoperable, except as a result of a closed isolation valve, restore the inoperable tank to OPERABLE status within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> 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 HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

b. Mith one safety injection tank inoperable due to the isolation valve being closed, either immediately open the isolation valve or be in at least HOT STANDBY within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and be in 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 />.

SURVEILLANCE RE UIREMENTS 4.5. 1.1 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:

Verifying (by tge absence of alarms) the contained borated water volume and nitrogen cover-pressure in the tanks, and I

2. Verifying that each safety injection tank isolation valve is open.

ith pressurizer pressure greater than or equal to 1750 psia. When pressur izer pressure is less than 1750 psia, at least three safety injection tanks shall be OPERABLE, each with a minimum pressure of 235 psig and a maximum pressure of 650 psig and a contained water volume of between 1250 and 1556 cubic feet with a boron concentration of between 1720 and 2100 ppm of boron.

kith all four safety injection tanks OPERABLE, each tank shall have a minimum pressure of 235 psig and a maximum pressure of 650 psig and a contained water volume of between 833 and 1556 cubic feet with a boron concentration of between 17 0 and 2100 pm of boron. an ec ~n-tanks-may-be iaol~d ST. LUCIE " UNIT 2 3/4 s-l. Amendment Nn.NN,PE(