ML18059B098

Proposed Tech Specs Re Shutdown Cooling

ML18059B098
Person / Time
Site:	Palisades
Issue date:	07/07/1994
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML18059B097	List: ML18059B096 ML18059B098
References
NUDOCS 9407180237
Download: ML18059B098 (8)

Text

ATTACHMENT 1 Consumers Power Company Palisades Plant Docket 50-255 SHUTDOWN COOLING TECHNICAL SPECIFICATIONS CHANGE REQUEST 9407180237 940707 PDR ADOCK 05000255 P

PDR Revis~d Proposed Pages

' /

July 7, 1994 3 Pages

3.1.9 SHUTDOWN COOLING~Cl Specification 3.1.9.2 One PCS loop or SDC train shall be in operation providing ~2810 gpm flow through the reactor core, and at least two of the means of decay heat removal listed below shall be OPERABLE:

1.

SDC train A consisting of an OPERABLE SDC pump and an OPERABLE heat flow path to Lake Michigan.

2.

SDC train B consisting of an OPERABLE SDC pump and an OPERABLE heat flow path to Lake Michigan.

3.

PCS loops 1 and 2, each with an OPERABLE steam generator and secondary level ~-84%.

Applicability Specification 3.1.9.2 applies when there is fuel in the reactor, with PCS Temperature is <200°F and the PCS loops filled.

Exceptions Action

1.

All flow through the reactor core may be intentionally stopped for up to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> provided:

a.

b.

c.

No operations are permitted that would cause reduction of the PCS boron concentration or PCS inventory, and Core outlet temperature stays ~200°F, and Two SDC trains are OPERABLE.

2.

One or both SDC trains may be intentionally rendered inoperable for testing or maintenance for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> provided:

1.

2.

a..

One PCS loop or SDC train is providing flow through the reactor core, and

b.

Core outlet temperature stays ~200°F, and

c.

Each steam generator secondary water level is ~-84%.

With fewer OPERABLE means of decay heat removal than required:

a.

Immediately initiate corrective action to loop or train to OPERABLE status, and return a second

b.

Maintain PCS temperature as low as practical with available equipment.

With less flow through the core than required:

a.

Immediately suspend all operations involving a reduction in PCS boron concentration, and

b.

Immediately initiate corrective action to return a loop or train to operation providing flow through the core.

3-25i

-*ndmen.t tu>.

3.1.9 SHUTDOWN COOLING~DC)

Speci fi cation 3.1.9.3 One SOC train shall be in operation providing ~1000 gpm flow through the reactor core, and at least two of the means of decay heat removal listed below shall be OPERABLE:

1.

SOC train A consisting of an OPERABLE SOC pump and an OPERABLE heat flow path to Lake Michigan.

2.

SOC train B consisting of an OPERABLE SOC pump and an OPERABLE heat flow path to Lake Michigan.

Applicability Specification 3.1.9.3 applies when there is fuel in the reactor, with PCS Temperature is <200°F and the PCS loops NOT filled.

Exceptions

1.

All flow through the reactor core may be intentionally stopped for up to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> provided:

Action

a.

b.

c.

No operations are permitted that would cause reduction of the PCS boron concentration or PCS inventory, and Core outlet temperature stays ~200°F, and Two SOC trains are OPERABLE.

2.

One or both SOC trains may be intentionally rendered inoperable for testing or maintenance for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> provided:

a.

One SOC train is providing flow through the reactor core, and

b.

Core outlet temperature stays ~200°F, and

c.

The refueling cavity water level is ~647'.

1.

With fewer OPERABLE means of decay heat removal than required:

a.

Immediately initiate corrective action to return a second train to OPERABLE status, and

b.

Maintain PCS temperature as low as practical with available equipment.

2.

With less flow through the core than required:

a.

Immediately suspend all operations involving a reduction in PCS boron concentration, and

b.

Immediately initiate corrective action to return a train to operation providing flow through the core.

3-25j

3.7 3.7.3 ELECTRICAL ~TEMS (Continued)

SHUTDOWN COOLING ELECTRICAL REQUIREMENTS With the primary coolant system at ~300°F, and with fuel in the reactor, the shutdown cooling train(s) shall be electrically powered as follows:

a.

One engineered safeguards bus (IC or ID) shall be operable and capable of being supplied by offsite power and an operable diesel generator.

OR

b.

If two trains of shutdown cooling are required to meet specification 3.I.9, one engineered safeguards bus (IC or ID) shall be operable and supplied by offsite power while the other engineered safeguards bus (ID or IC) is operable and capable of being supplied by offsite power and an operable diesel generator.

ACTION With less than the required electrical sources operable:

A.

Immediately initiate action to suspend REFUELING OPERATIONS, AND B.

Immediately initiate action to suspend movement of irradiated

fuel, C.

Immediately suspend crane operations over irradiated fuel, D.

Immediately suspend operations with a potential for draining the PCS or fuel pool, AND E.

Immediately initiate action to restore the required electrical sources to operable status.

3-45a Amendment No.

ATTACHMENT 2 Consumers Power Company Pa 1 i sades Pl ant Docket 50-255 SHUTDOWN COOLING TECHNICAL SPECIFICATIONS CHANGE REQUEST Marked Up Proposed Pages July 7, 1994 3 Pages

3.1.9 SHUTDOWN COOLING~DC)

Specification 3.1.9.2

1.

SDC train A consisting of an OPERABLE SDC heat flow path to Lake Michigan.

pump and an OPERABLE

2.

SDC train B consisting of an OPERABLE SDC pump and an OPERABLE heat flow path to Lake Michigan.

3.

PCS loops 1 and secondary level 2, each with

~-84%.

an OPERABLE steam generator and Applicability Specification 3.1.9.2 applies when there is fuel in the reactor, with PCS Temperature is <200°F and the PCS loops filled.

Exceptions Action

1.

All flow through the reactor core may be intentionally stopped for up to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> provided:

a.

No operations are permitted that would cause reduction of the PCS boron concentration or PCS inventory, and

b.

Core outlet temperature stays ~200°F, and

c.

Two SDC trains are OPERABLE.

2.

One or both SDC trains may.P.~........tn.t..~J!..1..i...9...r.J..!:!JJ.Y...... rendered inoperable for testing or maintenance i]~!il]~iR!]~pfajjJ]::m:gqpj§j provided:

a.

One PCS loop or SDC train is providing flow through the reactor core, and

b.

Core outlet temperature stays ~200°F, and

c.

Each steam generator secondary water level is ~-84%.

1.

With fewer OPERABLE means of decay heat removal than required:

a.

Immediately initiate corrective action to return a second loop or train to OPERABLE status, and

b.

Maintain PCS temperature as low as practical with available equipment.

2.

With less flow through the core than required:

a.

Immediately suspend all operations involving a reduction in PCS boron concentration, and

b.

Immediately initiate corrective action to return a loop or train to operation providing flow through the core.

3-25i Amendment No.

.. 3.1.9.SHUTOOWN COOLING~OC)

Specification 3.1.9.3 One SOC train shall be in operation Rroviding ~1000 gpm flow through the reactor core, and at least two of the means of decay heat removal listed below shall be OPERABLE:

1.

SOC train A consisting of an OPERABLE SOC pump and an OPERABLE heat flow path to Lake Michigan.

2.

SOC train B consisting of an OPERABLE SOC pump and an OPERABLE heat flow path to Lake Michigan.

Applicability Specification 3.1.9.3 applies when there is fuel in the reactor, with PCS Temperature is <200°F and the PCS loops NOT filled.

Exceptions

1.

All flow throu~h the reactor core may be intentionally stopped for up to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> provided:

Action

a.

b.

c.

No operations are permitted that would cause reduction of the PCS boron concentration or PCS inventory, and Core outlet temperature stays ~200°F, and Two SOC trains are OPERABLE.

2.

One or both SOC trains may.b..g_......J.

.n.t..~.n.t.J.qn.~JJ.Y...... rendered inoperable for testing or maintenance !ilnll!iet:J:~tJl:IP.:i!!i!i provided:

1.

2.

a.

One SOC train is providing flow through the and reactor core,

b.

Core outlet temperature stays ~200°F, and

c.

The refueling cavity water level is ~647'.

With fewer OPERABLE means of decay heat removal than required:

a.

Immediately initiate corrective action to return a second train to OPERABLE status, and

b.

Maintain PCS temperature as low as practical available equipment.

with With less flow through the core than required:

a.

Immediately suspend all operations involving a reduction in PCS boron concentration, and

b.

Immediately initiate corrective action to return a train to operation providing flow through the core.

3-25j Amendment No.

-~._

.~,~*

3.7 3.7.3 ELECTRICAL.TEMS (Continued)

SHUTDOWN COOLING ELECTRICAL REQUIREMENTS With the primary coolant system at ~300°F, and with fuel in the reactor, the shutdown cooling train(s) shall be electrically powered as follows:

a. If eAe traiA ef shHtclewA ceeliAg is reqHirecl te meet specificatieA 3.1.9:

1.

The appre,riate {I@ engineered safeguards bus (IC or ID) shall be operab e and *c-ifllable of being supplied by offsite power and an operable diesel generator.

OR

2.

Have t~Je trai AS ef strntcle*1iA ceel i Ag eperabl e, aAcl meet al 1 the reqHiremeAts ef 3.7.3.b belew.

b.

If two trains of shutdown cooling are required to meet specification 3.I.9, one engineered safeguards bus (IC or ID) shall be operable and supplied by offsite power while the other engineered safeguards bus (ID or IC) is operable and capable of being supplied by offsite power and an operable diesel generator.

ACTION With less than the required electrical sources operable:

A.

Immediately initiate action to suspend REFUELING OPERATIONS, AND B.

Immediately initiate action to suspend movement of irradiated

fuel, AND C.

Immediately suspend crane operations over irradiated fuel, AND D.

Immediately suspend operations with a potential for draining the PCS or fuel pool, AND E.

Immediately initiate action to restore the required electrical sources to operable status.

3-45a Amendment No.