ML20210G297

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Proposed Tech Specs LCO 3.1.7 Re Standby Liquid Control Sys
ML20210G297
Person / Time
Site: Hatch  Southern Nuclear icon.png
Issue date: 07/29/1999
From:
SOUTHERN NUCLEAR OPERATING CO.
To:
Shared Package
ML20210G292 List:
References
NUDOCS 9908030051
Download: ML20210G297 (9)
v • d • e


Text

r

. . Enclosure 3 Edwin I. Hatch Nuclear Plant Request to Revise Technical Specifications:

l Standby Liquid Control Technical Specifications Page Change Instructions Unit i Eiiss Instruction 3.1-21 Replace Unit 2 fagg Instruction 3.1-21 Replace i

1 9908030051 990729 PDR ADOCK 05000321 p PM HL-5811 E3-1

i- .

SLC System l 3.1.7 3.l REACTIVITY CONTROL SYSTEMS I 3.1.7 Standby Liquid Cont'olr (SLC) System I

LCO 3.1.7 Two SLC subsystems shall be OPERABLE.

)

I

\

APPLICABILITY: MODES 1 and 2. l ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Sodium pentaborate A.1 Restore sodium 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> solution not within pentabori',e solution Region A limits of to withii, Region A M Figure 3.1.7-1 or limits.

3.1.7-2, but within 10 days from the Region B limits, l discovery of failure to meet the LC0 B. .One SLC subsystem B.1 Restore SLC subsystem 7 days inoperable for reasons to OPERABLE status, other than M Condition A.

10 days from discovery of i failure to {

meet the LC0 1

C. Two SLC subsystems C.1 Restore one SLC 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> inoperable'for reasons subsystem to OPERABLE other than status.

Condition A.

D. Required Action and D.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time not met.

HATCH UNIT 1 3.1-21 SLCS/3.1.7 i

i . ,

SLC System' 3.1.7 3'.1'~ REACTIVITY CONTROL SYSTEMS

3.1.7>. Standby Liquid Control.(SLC) System LCO .3.I'7. Two SLC subsystems shall be OPERABLE.

APPLICABILITY: MODES 1 and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Sodium pentaborate A.1 Restore sodium 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> solution not within pentaborate solution Region A limits of to within Region A E Figure 3.1.7-1 or limits.

3.1.7-2, but within 10 days from

'the Region B limits. l discovery of failure to meet the LC0 B. One SLC subsystem. B.1 Restore SLC subsystem 7 days inoperable for reasons to OPERABLE status, other than M-Condition A..

10 days from discovery of' failure to meet the LC0 C. Two SLC subsystems C.1 Restore one SLC 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> inoperable for reasons subsystem to OPERABLE other than status.

Condition-A'.

D. Required. Action and D.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated' Completion Time not met.-

-HATCH UNIT 2- 3.1-21 SLCS/3.1.7

r-Enclosure 4 l

Edwin 1. Hatch Nuclear Plant Request to Revise Technical Specifications:

Standby Liquid Control Hand-Marked Pages 11L-5811 E4-1

SLC System 3.1.7 3..'1 REACTIVITY CONTROL SYSTEMS 3.1.7. Standby Liquid Control (SLC) System LCO 3.1.7 Two SLC subsystems shall be OPERABLE.

APPLICABILITY: MODES I and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Sodium pentaborate A.1 Restore sodium 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> solution not within pentaborate . solution Region A limits of to within Region A ANj}

N Figure 3.1.7-1 or limits.

3.1.7-2, but 1;r:Wr 10 days from g,%h -een the Region B discovery of limits. failure to meet the LCO

-t B. One SLC subsystem B.1 Restore SLC subsystem 7 days inoperable for reasons to OPERABLE status, other than

  • 8NQ Condition A.

10 days from discovery of failure to meet the LCO C. Two SLC subsystems C.1 Restore one SLC 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> inoperable for reasons subsystem to OPERABLE other-than status.

Condition A.

I D. Required Action and D.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time not met.

4

, HATCH UNIT 1 3.1-21 ' ...ne..nt .t . ! ?5_

SLc5

SLC System 3.1.7 3.1 . REACTIVITY CONTROL SYSTEMS 3.1.7 Standby Liquid Control (SLC) System LCO 3.1.7 Two SLC subsystems shall be OPERABLE.

APPLICABILITY: MODES 1 and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Sodium pentaborate A.1 Restore sodium 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> solution not within pentaborate solution Region A limits of to within Region A Figure 3.1.7-1 or limits.

ANQ 3.1.7-2, but gr::t:r 10 days from co - 4tc, g dbben the Region B limits, discovery of failure to meet the LC0 B. One SLC subsystem B.1 Restore SLC subsystem inoperable for reasons 7 days to OPERABLE status, other than AND Condition A.

10 days from discovery of failure to meet the LC0 C. Two SLC subsystems C.1 Restore one SLC inoperable for reasons 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> subsystem to OPERABLE other than status.

Condition A.

D. Required Action and D.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion

. Time not met.

HATCH UNIT 2 3.1-21 Amendment No. 135

r..

l Attachment 1

Sodium Pentaborate Concentration Technical Specifications Figures 3.1.7-1 and 3.1.7-2 Provided for information only.

No changes are proposed to these figures.

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SLC System 3.1.7 (1681 gal,13%)

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Figure 3.1.7-1 (page 1 of 1)

Sodium Pentaborate Sclution Volume Versus Concentration Requirements i

HATCH Ori1T 2 3.1-25 Amendment No. 135

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Figure 3.1.7-2 (page 1 of 1)

Sodium Pentaborate Solution Temperature Versus Concentration Requirements 1

HATCH UNIT 2 3.1-26 Amendment No. 135 i

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