ML20202E937

Application for Amend to License DPR-34,changing Tech Specs to Incorporate Helium Flow & Max Core Region Temp Rise Surveillance Requirements

ML20202E937
Person / Time
Site:	Fort Saint Vrain
Issue date:	07/09/1986
From:	PUBLIC SERVICE CO. OF COLORADO
To:
Shared Package
ML20202E930	List: ML20202E926 ML20202E937 ML20202E952
References
TAC-52634, NUDOCS 8607150048
Download: ML20202E937 (4)

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e BEFORE THE UNITED STATES NUCLEAR REGULATORY COMMISSION In the Matter of the Facility Operating License)

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PUBLIC SERVICE COMPANY OF COLORADO )

Application for Amendment to Appendix A of Facility Operating License License No. DPR-34 t

l j OF THE

} PUBLIC SERVICE COMPANY OF COLORADO i

i FOR THE FORT ST. VRAIN NUCLEAR GENERATING STATION

! This application for Amendment to Appendix A of Facility Operating License, License No. OPR-34, is submitted for NRC review and approval.

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4 Respectfully submitted, PUBLIC SERVICE COMPANY OF COLORADO i

l By R. O. Williams, Jr.

Vice President

Nuclear Operations i

KELLY, STANSFIELD & 0'DONNELL Bryant O'Donnell 1

Robert E. Thompson Public Service Company Building Denver, Colorado 80202 Attorneys for Applicant 1

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l Attachment 1 Summary of Proposed Changes i

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Summary of Proposed Changes Section Description Definition 2.23 1. Added definition of CALCULATED BULK CORE TEMPERATURE Definition 2.24 1. Added definition of CORE AVERAGE INLET TEMPERATURE LCO 4.1.9 1. Entire Specification has been rewritten to correct and clarify the requirements.

! 2. Table 4.1.9-1 added to identify the requirements and operational conditions when they are applicable.

3. Format changed to clearly identify the limiting conditions for operation, the applicability, and the actions to be taken if the LCO i is not met. This format is consistent with that used in the

'l Technical Specification Upgrade Program.

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Figure 4.1.9-1 1. Replaced by Figures 4.1.9-1

, and 4.1.9-2 for helium density between 60% and 107.5% and Figures 4.1.9-3 and 4.1.9-4 for helium density below 60%. Added curves to allow operation with up to 10 regions with the orifice valves further open.

Figure 4.1.9-2 1. Replaced by Figure 4.1.9-5.

Added curves with no orifice valve less than either 6% or 1

8% open.

Basis for LC0 4.1.9 1. Revised and expanded to clarify the basis and assumptions inherent in the Specifications.

SR 5.1.8 1. Entirely new Specification l added to implement the surveillances required by LCO 4.1.9.

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