ML20086N764

Proposed Tech Spec 5.3.2, Control Rod Assemblies

ML20086N764
Person / Time
Site:	Perry
Issue date:	12/18/1991
From:	CENTERIOR ENERGY
To:
Shared Package
ML20086N761	List: ML20086N764 PY-CEI-NRR-1419, Application for Amend to License NPF-58,changing Tech Spec 5.3.2, Control Rod Assemblies to Allow Use of Control Rod Design Which Contains Hafnium Metal in Addition to Boron Carbide Powder
References
NUDOCS 9112240281
Download: ML20086N764 (2)

Text

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PY-CEI/NRR- 1419 L i .M

Attachment:

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DESIGN' FEATURES

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DESIGN TEMPERATURE AND PRESSURE (Continued)

. b. Maximum internal temperature:

1. Drywe11 !330*F.  :

2. Suppression.- pool 185'F.'

c. Maximum external to internal ~ differential pressure:

1. Drywell 21 psid.

2.. Containment 0.8 psid.

I-SECONDARY CONTAINMENT 5.2.3 j The secondary containment consists of the annulus between the shield -- >

building and' the primary containment and has a sinimus free volume of 392,548 '

cubic riet.-

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5.3 ' REACTOR--CORE '

' FUEL ASSEMBLIES =

5.3.1- The reactor shall- contain 748 fuel assemblies. Each assembly shall consist of a tr. atrix of Zircaloy clad fuel rods with an initial composition of slignely enriched uranium dioxide (UO = as fuel material. Fuel assenblies -

- I--ec. .- ;shall, be-limited to those fuel designs ahp) roved by the NRC Staff for use in -

-BWR's. -

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' CONTROL R00 A;35EM8 LIES

.15.3.21 The reactor consi st4ee-of: core shall a - cruciform array contain ofI-*2i-:: 177 control red' assembliesI kach y mo.W skal

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5.4 REACTOR C00l. ANT SYSTEM neutron absorbing material'. Thecontrolmaterial-3 shall be boron carbide powder (5 4 c) and/or hafnius metal and have a nominal absorber length of 143.7 w (~

!OESIGN PRESSURE AND TEMPERATURE -

M 5.4.1 ' The reactor' coolant system is designed and shall be maintain'id:.

a. In accordance with the code requirements specified in Section'5'.2' of the FSAR with allowance for-normal degradation pursuant to. the applicable Surveillanca Requirements, - ~

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b. For a pressure of:

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1. 1250 psig on the suction side of the et 4 rculation pump.

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PERRY - UNIT 1 5-4 *mencem ': . 33 h

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. PY-CEI/NRR-1419 L Attachment 2 Page 2 of 2 CONTROL R0D ASSEMBLIES 5.3.2 The reactor core shall contain 177 control rod assemblies. Each assembl'; shall consist of a cruciform array of neutron absorbing material.

The control material shall be boron carbide powder (B40) and/or hafnium metal and have a nominal absorber length of 143.7 inches.

LCS/ CODED /5213

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