ML19354E491

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Corrected Tech Spec Figures 4.1(a),(b) & (C) Re Reactor Vessel Pressure/Temp Limits
ML19354E491
Person / Time
Site: Big Rock Point File:Consumers Energy icon.png
Issue date: 01/23/1990
From:
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML19354E487 List:
References
NUDOCS 9001310276
Download: ML19354E491 (4)


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k PROPOSED TECHNICAL SPECIFICATION. CHANGES TO-FIGURES l4.1(a). 4.1(b) and 4.1(c)-

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Figura 4.1(a)-

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BIG ROCK POINT NUCLEAR PLANT:

PRESSURE-TEMPERATURE LIMITS EFFECTIVE TO 18 EFFECTIVE FULL POWER YEARS FLANGE RTNDT = 40'F HYDROSTATIC TEST CONDITION 1800 -

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DURING A NS$$ HYDROSTATIC TEST THE PRIMARY SYSTEM g

WATER TEMPERATURE CAN EXCEED 212T WITHOUT ENTERING THE TECHNICAL 5PECIFICATION POWER OPERATION DEFINITION 800 -

FOUND IN SECTION 1.2.1. HYDROSTATIC TESTS ARE PERM 455lSLE ONLY WITH THE RE ACTOR SUSCRITICAL.

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425 400 -

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0 60 100 150 200 250 300 350 400 REACTOR VESSEL METAL TEMPERATURE,* F Proposed

2 Figure 4.1(b).

14c-BIG ROCK POINT NUCLEAR PLANT:

PRESSURE-TEMPERATURE LIMITS EFFECTIVE TO 18 EFFECTIVE FULL POWER YEARS 1

FLANGE RTNDT = 40'F COOLDOWN CONDITION SOLID LINES ARE NON-CRITICAL CONDITION DASHED LINES ARE CRITICAL CONDITION 1500 -

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NON CRITICAL

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LIMITING COOLDOWN 3 I

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ALL RATES

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ALL RATES.

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1 C LOWER LIMIT OF CRITICALITY, l

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Figure 4.1(c)

'14d' BIG ROCK POINT NUCLEAR PLANT:

PRESSURE-TEMPERATURE LIMITS EFFECTIVE-TO 18 EFFECTIVE FULL POWER YEARS-FLANGE RT OT = 40'F.- HEATUP CONDITION N

SOLID LINES ARE NON-CRITICAL CONDITION DASHED LINES ARE CRITICAL CONDITION-

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1600 -

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0 1500 -

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i 1400 -

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1300 -

NON CRITICAL f

LIMITING HEATUP. g f

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$ 1200 -

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400 -

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~ l LOWER LIMIT OF CRITICALITY I

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REACTOR VESSEL METAL TEMPERATURE,'F Proposed-

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