ML20216H722

Application for Amend to License DPR-34,changing Tech Spec Limiting Condition for Operation 4.1.9 to Reduce Potential for Flow Stagnation & Prevent Excessive Fuel Temps in Core & Spec 5.1.8 to Incorporate Associated Requirements

ML20216H722
Person / Time
Site:	Fort Saint Vrain
Issue date:	06/25/1987
From:	Robert Williams KELLY, STANSFIELD & O'DONNELL, PUBLIC SERVICE CO. OF COLORADO
To:
Shared Package
ML20216H727	List: ML20216H722 ML20216H730 ML20216J473
References
TAC-52634, NUDOCS 8707010537
Download: ML20216H722 (4)

Text

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.O BEFORE THE UNITED STATES NUCLEAR REGULAYORY 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 j License No. DPR-34 0F THE PUBLIC SERVICE COMPANY OF COLORADO FOR THE FORT ST. VRAIN NUCLEAR GENERATING STATION This application for Amendment to Appendix A of Facility Operating License, License No. DPR-34, is submitted for NRC review and approval.

Respectfully submitted, PUBLIC SERVICE COMPANY OF COLORADO By R. O. Williams, Jr.

Vice President Nuclear Operations KELLY, STANSFIELD & 0'DONNELL Bryant O'Donnell James K. Tarpey Public Service Company Building Denver, Colorado 80202 Attorneys for Applicant 8707010537 DR e70625 ADOCK 05000267 PDR

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ATTACHMENT 1 3 1

SUMMARY

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PROPOSED' CHANGES 1

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.c 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 LC0 4.0 and BASIS 1. Separated this into three ,

sections and added a Specification to address requirements for determining the CALCULATED BULK CORE 1 TEMPERATURE. Figures to determine this temperature and the appropriate time interval are provided. A time limit for interrupting i forced circulation is specified and a BASIS has been added to discuss and justify this concept.

1 LC0 4.1.9 1. Entire Specification has been rewritten to correct I 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 is not met. Thir ,srmat is consistent with chtt used in the 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 i and 4.1.9-4 for helium i 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.

l Basis for LCO 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 added to implement the surveillances required by i LCO 4.1.9.

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