ML20196J283

Proposed Tech Specs 3.5.1.e,increasing Nitrogen Supply Pressure to Safety Injection Accumulator to 488 Pounds Per Square Inch Gauge

ML20196J283
Person / Time
Site:	Yankee Rowe
Issue date:	06/27/1988
From:	YANKEE ATOMIC ELECTRIC CO.
To:
Shared Package
ML20196J266	List: ML20196J261 ML20196J283
References
NUDOCS 8807060352
Download: ML20196J283 (1)

Text

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c 3/4.5 EMERGENCY CORE, COOLING SYSTEMS (ECCS)

ACCUMULATOR LIMITING CONDITION FOR OPERATION 3.5.1 The low pressure safety injection accumulator shall be OPERABLE with:

a.

Isolation valves SI-MOV-1 and SI-TV-608 open, b.

A minimum useable contained borated water volume of 700 cubic feet of borated water, equivalent to an indicated level of 261" in the accumulator.

c.

A minimum boron concentration of 2200 PPM, d.

An accumulator nitrogen cover-pressure of less than 15

psig, The nitrogen supply system with three supply pressure regulat e.

valvss set at 488 25 psig and at least:

1 1.

Sixteen 48 cubic foot nitrogen bottles t 1390 psig, or 2.

Seventeen 48 cubic foot nitrogen bottles t 1340 psig, or 3.

Eighteen 48 cubic foot nitrogen bottles t 1294 psig, f.

Two OPERABLE low level venting system, and g.

Timers set to operate between,11.8510.23 seconds.

APPLIC?BILITY: H0 DES 1, 2, 3* 4* and 5*.

ACTION:

With the accumulatr inoperable, except as a result of a o.

closed isolation ulve or as a result of one inoperable o-N@

pressure regulating valve or one inoper.able low level venting system, restore the inoperable accumulator to OPERABLE status n-within 15 minutes cr be in at least HOT SHUTDOWN with main coolant pressure < 1000 psig within the next 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

me M

b.

With the acct.mulator inoperable due to one isolation valve i

@k being closed, either immediately open the isolation valve or

(

be in at least HOT STANDBY w'. thin one hour and be in at least 84 HOT SHUTDOWN with main coolt.nt pressure < 1000 psig.within the b-

{o next 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

• Main coolant pressure t 000 psig.

1 YAtEEE-R0WE 3/4 o-1 Amendnent No, ff, M

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