ML19319E017

Proposed Tech Specs 3.5 Re Rod Position Limits,Amended to Include LOCA Operational Limits

ML19319E017
Person / Time
Site:	Rancho Seco
Issue date:	10/04/1976
From:	SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19319E015	List: ML19319E014 ML19319E017
References
NUDOCS 8003270780
Download: ML19319E017 (2)

Text

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182.4, 102 197.8, 100 4:!:

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• POWER LEVEL 180.2, C

197.8, CUTOFF 92 92 174.1, 82

'200, 82 80 4:i:

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RESTRICTED REGION 70 4!:i :

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50 w::: !" S!!!

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122.3, 43 PERMISSIBLE

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s OPERATING REGION s

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80, 15 10 g:i:

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0 20 40 60 80 100 120 140 160 180 200 ROD INDEX, % WITHDRAWN O

25 50 75 100 i

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i OUP 6 & 7 0

25 50 75 100 I

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GROUP 5

1. Rod index is the percentage sum of the withdrawl of control rod groups 5, 6 and 7.

2. The restrictions on rod position are in effect after 240 EFPD.

3. Reactor shall not be critical for group 5 index below 49%.

ROD POSITION LIMITS 9

Figure 3.5.2-1 8003270 78D

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110 i

-15.3,102 E'

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+8.0,102 100 l

7

-15.6,92

+6.5,92

-23 0,82 80 Permissible

+ 14.5,73

E Operating Range

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60 r

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-34.4,43 40

+19.8,40 1

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0

-40

-30

-20

-10 0

10 20 Core imbalance, %

1.

THE LlHITS ARE IN EFFECT OPERATIONAL POWER IM3ALANCE EN'IELOPE

'AFTER 240 EFPD.

Figure 3.5.2-2 RANCHO SECO UNIT I TECHNICAL SPECIFICATIONS Proposed Amendment No. 44 1

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