ML20011E647

Proposed Tech Spec 3/4.5.1, Accumulators, Revising Action Statement D Re Declaring Accumulators Inoperable

ML20011E647
Person / Time
Site:	Seabrook
Issue date:	02/09/1990
From:	PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:
Shared Package
ML20011E645	List: ML20011E644 ML20011E647
References
NUDOCS 9002220087
Download: ML20011E647 (1)

Text

7 3 ,3.,g-3/4.5 EMERGENCY CORE COOLING SYSTEMS-3/4.5.1 ACCUMULATORS HOT STAND 8Y, STARTUP, AND POWER OPERATION

_ LIMITING CONDITION FOR OPERATION L:

3.5.1.1 Each Reactor Coolant System (RCS) accumulator shall be OPERA a.

The isolation valve open and power removed, b.

A contained borated water volume of between 6121 and 6596 gallon ,

c.

A boron concentration of between 1900 and 2100 ppm, and d.

A nitrogen cover-pressure of between $85 and 664 psig.

_ APPLICABILITY: MODES 1, 2, and 3*,

ACTION:- ,

a.

With one accumulator inoperable, except as a result of a closed isola "

tion valve, restore the inoperable accumulator to OPERABLE status within and reduce 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or be pressurizer in at least pressure to less HOT STAND than 1000 8Y the psig within within th following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, b.

With one accumulator inoperable due to the isolation valve being HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and reduce press than 1000 psig within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

c, With one pressure or water level channel inoperable per accumulator ,

be in at least HOT STANDSY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> SHU100dN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

d. With  ?

~?."M..W~ *'LV. ?_C..b.

w. - - 5. Y:'*.LT?:?T?"?TT o,s accumulator,_immediately inoperable. declare the affected accumulator (s)ii Inopera SURVEILLANCE REQUIREMENTS 4.5.1.1.1 Each accumulator shall be demonstrated 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:

1)

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

• Pressurizer pressure above 1000 psig.

SEABROOK - UNIT 1 3/4 6-1 k: h0k P

$b0b 0 7 c