ML20154N649

Proposed Tech Spec,Deleting Proposed Action Item 39 & Adding Item 37 Re ECCS Actuation Instrumentation

ML20154N649
Person / Time
Site:	LaSalle
Issue date:	03/10/1986
From:	COMMONWEALTH EDISON CO.
To:
Shared Package
ML20154N647	List: ML20154N643 ML20154N649
References
1383K, NUDOCS 8603170399
Download: ML20154N649 (7)

Text

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ATTACHMENT A SUPPLEMENT TO PROPOSED CHANGE TO APPENDIX A TECHNICAL SPECIFICATION TO OPERATING LICENSES NPF-11 AND NPF-18 REVISED PAGES:

NPF-11 NTF-18 3/4 3-26 3/4 3-26 3/4 3-27(a) 3/4 3-27(a)

E603170399 860310 PDR ADOCK 05000373 P

PDR 1383K

TABLE 3.3.3-1 (Continued)

EMFRGENCY CORE COOLING SYSTEM ACTUATION INSTRUMENTATION u,

N G

HINIMUM OPERABLE APPLICABLE CHANNELS PER TRIP OPERATIONAL E TRIP FUNCTION FUNCTION (a)

CONDITIONS ACTION O

C.

DIVISION 3 TRIP SYSTEM 1.

HPCS SYSTEM a.

Reactor Vessel Water Level - Low, Low, Level 2 4

1, 2, 3, 4*, 5*

35 b.

Drywell Pressure - High 4

1,2,3 35 g

c.

Reactor Vessel Water Level-High, level 8 2(d) 1, 2, 3, 4*, 5*

32 d.

Condensate Storage Tank Level-Low 2

1, 2, 3, 4 *, 5

• 36 e.

Suppression Pool Water Level-High 2(d) 1, 2, 3, 4*, 5*

36 f.

Pump Discharge Pressure-High (Bypass) 1 1, 2, 3, 4*, 5*

31 w

g.

HPCS System Flow Rate-Low (Permissive) 1 1, 2, 3, 4 *, 5*

31 h.

Manual Initiation

(.

1/ division 1, 2, 3, 4*, 5*

34 4

D.

LOSS OF POWER MINIMUM APPLICABLE TOTAL NO.

C;;A;;;K L.,

OPERABLE OPERATIONAL O F ti:A ;;C LS TO TRIP J:""ILS N CONDITIONS ACTION 1.

4.16 kv Emergency Bus Undervoltage N bus W bus N bus 1, 2, 3, 4**, 5**

37 (Loss of Voltaae)

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(a) A channel %ay be placed in an inoperable sta for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> during periods of required surveillance without placing the trip syste in the tripped condition provided at least one m_

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~~ W other OPERABLE channel +in the same trip system is monitoring that parameter.

(b) Also actuates the associated division diesel generator.

(c) Provides signal to close HPCS pump discharge valve only on 2-out-of-2 logic.

1 (d) Provides signal to HPCS pump suction valves nnly.

Applicable when the system is required to be OPERABLE per Specification 3.5.2 or 3.5.3.

Required when ESF equipment is required to be OPERABLE.

Not required to be OPERABLE when reactor steam dome pressure is 5 122 psig.

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TABLE 3.3.3-1 (Continued)

EMERGENCY CORE COOLING SYSTEM ACTUATION INSTRUMENTATION ACTION ACTION 38 With the number of OPERABLE channels > 'ss than required by the Misimum OPERABLE Channels per trip function requirements:

With one channel inoperable, remove the inoperable channel I"

a.

within one hour; restore the inoperable channel to OPERABLE status within 7 days or declare the associated ECCS systems

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inoperable.

b.

With both channels inoperable, restore at least one channel to OPERABLE status within one hour or declare the associated ECCS systems inoperable.

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LA SALLE - UNIT 1 3/4 3-27(a)

Amendment 10

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wMA5 ACTION 37 With the number of OPERAELE instruments less than the Minimum Operable Instruments, place the inoperable instrument (s) in the tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />

• or declare the associated emergency diesel generator inoperable and take the ACTION required by Specification 3.8.1.1. or 3.8.1.2 as appropriate.

f'ICTION39 With the nutber of OPERABLE instruments one less than the Minimum Operable instrument, place the inoperable instrument.in the tripped condition within one hour *.

With both the instruments inoperable, verify that the remaining civisions' degraded voltage instruments are operable and restore at least one instrument to operable status within 7 days, or declare the associated emergency diesel generator inoperable and take the action reauired by Specification 3.8.1.1 or 3.8.1.2 as appropriate.

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TABLE 3.3.3-1 (Continued) 9 l

EMERGENCY CORE COOLING SYSTEM ACTUATION INSTRUMENTATION m.

2 k

HINIMUM OPERABLE APPLICABLE CilANNELS PER TRIP OPERATIONAL FUNCTION (*)

CONDITIONS ACTION g

TRIP FUNCTION Q

C.

DIVISION 3 TRIP SYSTEM u

1.

IIPCS SYSTEM a.

Reactor Vessel Water Level - Low, Low, Level 2 4

1, 2, 3, 4*, 5*

35 b.

Drywell Pressure - liioh 4(c) 1, 2, 3 35 l

c.

Reactor Vessel Water Level-liigh, Level 8 2(d) 1, 2, 3, P, 5*

32 d.

Condensate Stora0e Tank Level-Low 2(d) 1, 2, 3, 4*, 5*

36

)

e.

Suppression Pool Water Level-High 2

1,2,3,4*,5*

36 f.

Pump Discharge Pressure-liigh (Bypass) 1 1,2,3,4*,5*

31 R

g.

IIPCS System Flow Rate-Low (Permissive) 1 1,2,3,4*,5*

31

{g

]

1/ division 1, 2, 3, 4 *, 5*

34 h.

Manual Initiatian

]

h D.

1055 0F POWER MINIMUM APPLICABLE

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TOTAL NO.g 8 OPERABLE OPERATIONAL

/

OF C::"? EL, TO TRIP J:Atit:ELS (.N CONDITIONS ACTION

/

1.

4.,16 kV Emergency Bus Undervoltage h/ bus h/ bus b/ bus 1, 2, 3, 4 * *, 5*

• 37 (Loss of Voltage) t 2.

4.16 kV Emergency Bus Undervolta0e h/ bus h/ bus

// bus 1, 2, 3, 4**, 5**

(Degraded Voltage) (Oivision 3)

Nj (VEd% 2.M TABLE NOTAi_,D R - C

.~2"J M/W

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(a) A channel may be placed in an inoperable status for up to z nomincin0 periods of required

[

((6MWN surveillance without placing the trip syste in the tripped condition provided at least one d other OPERABLE channe bin the same trip system is monitoring that parameter.

i (b) Also actuates the associated division diesel generator.

(c) Provides signal to close HPCS pump discharge valve qnly on 2-out-of-2 logic.

(d) Provides signal to.HPCS pump suction valves only.

Applicable when the system is required to be OPERABLE per Specification 3.5.2 or 3.5.3.

Required when ESF equipment is required to be OPERABLE.

Not required to be OPERABLE when reactor steam dome pressure is < 122 psig.

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% A m-ACTION 37

1. 1th the number of OPERABLE instruments J ess than the Minimum Operable Instruments, oloce the inoper uble instrument (s) in the tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />' or declare the associated emerqency diesel generat.or inoperable and take the ACTION requireo by Specification 3.8.1.1. or 3.8.1.2 as appropriate.

ACTION 7,9 hith the number of OPERABLE instruments one less than ]

j the Minimum Operable instrument, place the inupetbble instrument in the tripped condition within one hour *.

With both the instruments inoperable, v e t L t',

that the remaining civisions' degraded voltage instruments are operable and restore at least one instrument to operable status within 7 days, or ceclare the associateo emerger.cy dies.el generatut inoperable and take the action required by Specification 3.8.1.1 or 3.8.1.2 as appropriate.

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TABLE 3.3.3-1 (Continued)

EMERGENCY CORE COOLING SYSTEM ACTUATION INSTRUMcNTATION ACTION ACTION 38 With the number of OPERABLE channels less than required by the Minimum OPERABLE Channels ter trip function requirements:

a.

With one channel inoperable, remove the inoperable channel within one hour; restore the inoperable channel to OPERABLE status within 7 days or declare the associated ECCS systems inoperable.

b.

With both channels inoperable, restore at least one channel to OPERABLE status within one hour or declare the associated ECCS system inoperable.

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LA SALLE - UNIT 2 3/4 3-27(a)

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