ML20062E183

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Proposed Tech Specs Revising TS 5.3.1.1 to Allow Use of Stainless Steel Rod in Place of Fuel Rod in Cycle 10 Recaged Fuel Assembly
ML20062E183
Person / Time
Site: Arkansas Nuclear Entergy icon.png
Issue date: 11/14/1990
From:
ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20062E182 List:
References
NUDOCS 9011190329
Download: ML20062E183 (3)


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PROPOSED : TECHNICAL SPECIFICATION:

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9011190329 901114ADOCK 05000313 PDR PDC a.

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= 5.3 REACTOR S ecification J

e 5.3.1 Reactor Core 5.3.1.1 The reactor core contains approximately 93 metric tons of slightly enriched uranium dioxide pellets.

The pellets are encapsulated in Zircaloy-4 tubing to form fuel. rods. The reactor core is made up of 177 fuel assemblies.

Eu.h fuel assembly is fabricated with 208 fuel rods.

(1,2) Starting with Batch 11, a reconstitutable fuel assemb_1y design is implemented.

This design allows the replacement of up to 208 fuel rods in the assembly.

For Cycle 10 operation only,-fuel assembly NJ0539 will.contain one stainless steel filler rod in place of-one fuel rod. (Note 1) 5.3.1.2 The reactor core approximates a right circular cylinder with an equivalent diameter of 128.9 inches and an active height of 144 inches. LThefactive fuel length is approximately 142 inches.(2) 5.3.1.3 The average enrichment of the initial core is a nominal 2.62 weight percent of-235U _ Three fuel enrichments are used in the

-initial: core; The' highest. enrichment is less than 3.5 weight

_ percent 235U.

=5.3.1.4

.There-are 60 full. length control rod-assemblies-(CRA) and 8 axial. power shaping rod; assemblies (APSRA) distributed in the reactor core as1shown in FSAR Figure 3-60.

The full-length CRA contain'a 134-inch length of silver-indium-cadminum alloy clad-with stainless-steel.

Each'APSRA contains a 63-inch length of-Inconel-600 alloy.(3)

5.3.1.5 The initial. core has 68 burnable poison spider. assemblies with.

similar dimensions as the full-length control. r_ods.' LThe cladding is Zircaloy-4 filled with alumina-boron and placed-in the' core as' shown in FSAR Figure 3-2.

5.3.1.6 Reload fuel assemblies and rods chall conform.to-the des'ign and' evaluation described in FSAR and shall-not exceed an enrichment of 3.5 percent-of 235U.

5.3.2 Reactor Coolant System

.5.3.2.1

'The reactor ' coolant system is designed and const'ructed in accordance with code requirements.(4):

Amendment _No. 408, 448 114 f

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5.3.2.2

-The reactor coolant system and any connected auxiliary systems X-exposed to the reactor coolant conditions of temperature and 4

pressure, are designed for a pressure of 2500 psig and a temperature of 650 F.

The pressurizer-and pressurizer surge line are designed for a temperature of_670 F.(5)'

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5.3.2.3 The reactor coolant system volume is less than 12,200 cubic feet.

REFERENCES:

'(1)

FSAR, Section 3.2.1 (2)

FSAR, Section 3.2.2 (3)=

_FSAR,.Section 3.2.4.2

-(4)

FSAR, Section 4.1.3

-(5)'

FSAR, Section.4.1.2-0 NOTES-Note 1:?LTheeffectsoftheisteelrodontheassemblyand$heCycleJ10 core O'

will.be evaluated prior to startup to determine _that existing design' limits'and safety criteria are met, a

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--Amendment No.

115

........... _