ML20236D028

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Proposed marked-up Tech Specs,Reflecting Exceptions to Tech Spec 3.0.4 to Avoid Unnecessary Extension of Second Refueling Outage
ML20236D028
Person / Time
Site: Grand Gulf Entergy icon.png
Issue date: 10/23/1987
From:
SYSTEM ENERGY RESOURCES, INC.
To:
Shared Package
ML20236D026 List:
References
NUDOCS 8710270450
Download: ML20236D028 (6)
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Text

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REACTOR COOLANT SYSTEM

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' COLD SHUTDOWN-k!

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  1. -LIMITING CONDITION FOR OPERATION-

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2h Twobshutdown. cooling mode loops of the. residual heat removal (RHR)

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' l 3'.'4. 9.7 system'shall?be OPERABLE and, unless:at least one recirculation pump ~ is,in opehationf at.least one: shutdown cooling mode loop.shallibe in operatiob**##

with each loop; consisting of at least:

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c a.' :.One, OPERABLE'RHRpump,;and.

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One: OPERABLE.RHR' heat' exchanger.-

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APPLICABILITY: E0PERATIONAL' CONDITION'4.

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' CTION:

a.

WithLlessLthan-the above required RHR: shutdown cooling mode; loops OPERABLE,

within one hour and.at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> thereafter, demonstrate-the operability of at.least one alternate' method capable.of decay heat; f

removal for each inoperable RHR shutdown cooling mode. loop.

b.

With no RHR1 shutdown cooling mode loop in operation, within one hour establish reactor coolant circulation by an. alternate method and monitor reactor coolant temperature and pressure'at least once.per hour.

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' SURVEILLANCE REQUIREMENTS 4.4.9.2 At'least one. shutdown cooling mode loop of the residual heat removal system or' alternate method shall be~ determined to be in operation and 7,

circulating reactor coolant at least' once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

h.

  1. ne RHR shutdown cooling mode loop may be inoperable for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for 0

' surveillance testing provided the other loop is OPERABLE and in operation, q

  • The shutdown cooling pump may be removed from operation for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> j

per 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> period provided the other loop is OPERABLE.

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    1. The shutdown cooling mode loop may be removed from' operation during 4

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. hydrostatic testing.-

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. EMERGENCY CORE COOLING SYSTEMS

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LIMITING CONDITION FOR OPERATION

-3.5.2 At 11tast tWe of the following shall' be OPERABLE:

The low pressure. core spray (LPCS) system with a flow path capable a.

.of taking suction from the suppression pool and transferring the water through'the spray sparger to the reactor vessel.

l b.

Low-pressure coolant injection '(LPCI) subsystem "A of the RHR system with a flow path capable of taking suction from the suppression pool:

upon being manually realigned and transferring the water to the reactor vessel.

Low pressure coolant injection (LPCI) subsystem "B" of the RHR system

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with a flow path capable of taking suction from the suppression pool upon being manually realigned and transferring the water to the reactor vessel.

d.

Low pressure coolant injection (LPCI) subsystem "C" of the RHR system with a flow path capable of taking suction from the suppression pool 1

1 upon being manually realigned and transferring the water to the reactor vessel, i

~The high pressure core spray (HPCS) system with a flow path capable e.

of taking suction from one 'of the following water sources and trans-i ferring the water through the spray sparger to the reactor vessel:

1.

From the suppression pool, or 2.

When the suppression pool level is less than the limit or is drained, from the condensate storage tank containing at least 170,000 available gallons of water, equivalent to a level of 18 feet.

APPLICABILITY: OPERATIONAL CONDITION 4 and 5*.

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ACTION:

With one of the above required subsystems / systems inoperable, restore a.

at least two subsystems / systems to'0PERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or suspend all operations that have a potential for draining the reactor vessel. Th prov; dons & specihtlen 5,o 4 m. nor plicabla M

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With both of the above required subsystems / systems inoperable, suspend CORE ALTERATIONS and all operations that have a potential for draining 4

the reactor vessel.

Restore at least one subsystem / system to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or establish SECONDARY CONTAINMENT INTEGRITY Within the next 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

"The ECCS is not required to be OPERABLE provided that the reactor vessel head is removed, the cavity is flooded, the upper containment fuel pool gates are removed, the spent fuel pool gates are removed, and water level is maintained within the limits of Specifications 3.9.8 and 3.9.9.

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STANDBY: SERVICE WATER SYSTEM

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LIMITING CONDITION FOR OPERATION 3.7.1.1. Leach of the following independent' standby service water (SSW) system subsystems shall be OPERABLE with each subsystem comprised of:

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One OPERABLE SSW pump, and

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An OPERABLE flow path capable'of taking suction from the associated 4-SSW cooling tower basin and transferring the water through the RHR heat exchangers and to associated plant equipment, as required, shall y

4 be' OPERABLE as follows:

'1.

In OPERATIONAL CONDITIONS'1,'2, and 3: two subsystems; and I

2.

In OPERATIONAL' CONDITIOFS 4, S, and *: the subsystems associated with the systems'and components required to be OPERABLE by

' Specifications 3.4.9.2, 3.5.2, 3.8.1.2, 3.9.11.1 or 3.9.11.2.

APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, 3, 4, 5 and *.-

ACTION:

a.

In OPERATIONAL CONDITION 1, 2 or 3:

1.'

With one SSW subsystem inoperable, restore the inoperable sub-.

1 system to OPERABLE ' status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 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 /> and in' COLD SHUTDOWN within 1

the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

2.

,With both SSW subsystems inoperable, 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 /> and in C01.0 SHUTDOWN ** within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

I b.-

In OPERATIONAL CONDITION 3 or 4 with the !.SW subsystem, which is asso-ciated with an RHR loop required OPERABLE by Specification 3.4.9.1:

or 3.4.9.2, inoperable, declare the associated RHR loop inoperable i

and take the ACTION required by Specification 3.4.9.1 or 3.4.9.2, as l!

applicabie. % provisjonseineAt$0NAL.

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. In OPERATIONAL CONDITION 4 or 5 with the SSW subsystem, which is asso-ciated with an ECCS pump required OPERABLE by Specification 3.5.2, inoperable, declare the associated ECCS pump inoperable and take the ACTION required by Specification 3.5.2. TA.a. grov/ston s of Spacilicanon 3.04 crr e-not affllc sb 12 Y When handling irradiated fuel in the primary or secondary containment.

nn Whenever both SSW subsystems are inoperable, if unable to attain COLD SHUTDOWN j

as required by this' ACTION, maintain reactor coolant temperature as low as practical by use of alternate heat removal methods.

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In OPERATIONAL CONDITION 5 with the SSW subsystem, which is associated

. ith an RHR system required OPERABLE by Specification 3.9.11.1 or w

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-3.9.11.2, inoperable, declare the associated RHR system inoperable',

and take the ACTION required by Specification 3.9.11.1 or 3.9.11.2, as app 11 cable. Tks provisions o-J 5p* dF,Lt!*n 1.0M ea. ure. pl:abh.?

y In OPERATIONAL CONDITION *, with the SSW subsystem, which is associated e.

with a diesel. generator required OPERABLE by Specification 3.8.1.2, inoperable, declare the associated diesel generator inoperable and l

take the ACTION required by Specification 3.8.1.2.

The provisions of Specification 3.0.3 are not appitcable.

i f.1 In OPERATIONAL CONDITIONS 1, 2, 3, 4, or S with the SSV subsystem, I

which is associated with a' diesel generator required OPERABLE by-Specification 3.8.1.1 or 3.8.1.2, inoperable, declare the associated diesel generator inoperable and take the ACTION required by Specification 3.8.1.1 or 3.8.1.2 as applicable..

l SURVEILLANCE REQUIREMENTS 4.7.1.1 At-least the above required standby service water system subsystem (s) shall. be. demonstrated OPERABLE:

i At' least once per 31 days by verifying that each valve in the flow a. -.

path that is-not locked, sealed or otherwise secured in position, is in its correct position.

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At least once per 18 months during shutdown by verifying that each f

automatic valve servicing safety related equipment actuates to its correct position on an actuation test signal.

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' 3/4.9.11 RESIDUAL HEAT ' REMOVAL AN0' COOLANT CIRCULATION j

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'LIMITIP'G ' CONDITION FOR' OPERATION

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3.9.11.1 At least;one-shutdown cooling mode train'of the residual heat removal 4"

-(RHR) system'shall'be.0PERABLE'and in operation

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One OPERABLE RHR pump, and.

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One' OPERABLE RHR heat-exchanger train.

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.s APPLICA8ILITY': OPERATIONAL CONDITION 5, when irradiated fuel'is'in the. reactor.

vessel and the water: level'is greater than or equal lto 22 feet 8' inches-above the top of the reactor pressure vessel flange.

ACTION:

l a.

With no RHR! shutdown cooling mode train OPERABLE, within one hour and at

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Lleast once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.thereafter, demonstrate-the OPERABILITY of at least; j

Jone alternate method capable of decay; heat removal' Otherwise,-suspend-l all operations involving'an increase in the reactor' decay heat load:and establish SECONDARY CONTAINMENT INTEGRITY within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

b.

With no RHR shutdown cooling mode train in operation, within one hour a

establish reactor coolant circulation by:an alternate method and monitor I

e reactor coolant temperature at least once per hour.

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SURVEILLANCE REQUIREMENTS'

.ty 4.9.11.1 At least one shutdown cooling mode train of the residual heat removal system or alternate method shall.be verified to be in operation and circulating reactor coolant at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

The. shutdown-cooling pump may be removed from operation for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> per 8-hour period,

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LOW WATER LEVEL-I hsf LIMITINGLCONDITION'FORLOPERATION llif

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'3!9.1122: Two^sh'tdown' cooling mode trains:of the. residual heat removal (RHR) u system sha11L be OPERABLE and at least:one train shall.be'in operation,* with -

each train consisting of at least

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One'0PERABLE.RHR, pump, and' l

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dneOPERABLERHRheatexchangertrain.

APPLICABILITY:

0PERATIONAL. CONDITION 5, when irradiated fuel is in the reactor.

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vessel and the' water-level is less.than 22 feet-8 inches above the top of the

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reactor pressure: vessel flange.

ACTION:

With'less than the.above required shutdown' cooling: mode trains of the~RHR'-

a.

, system OPERABLE, within-one hour and at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> thereafter, q

-demonstrate the:0PERABILITY of at least one alternate method capable of decay heat removal for each inoperable RHR shutdown cooling mode ~ train.

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b.-

With no,RHR shutdown cooling. mode-train lin operation within one hour i

7 establish reactor coolant circulation.by an alternate method and monitor.

. reactor. coolant temperature at least once:per hour.

syy/jed l.a.f c. Asb predslon.s : p f ' fp *<) P es %'o n 1,0. 4 are not SURVEILLANCE REQUIREMENTS- -4.9.11.2-AtLleast one shutdown cooling mode train of the residual heat removal

. system ~or alternate method shall be verified to be in operation and circulating g

reactor coolant at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

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i IThe shutdown cooling pump may be removed from operation for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />

-_ er 8-hour period.

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