TXX-8858, Provides Description of Encl Amend 73 to FSAR for Comanche Peak Steam Electric Station,Including Rev to Section 2.1 Re Deleting Visitor Overlook Access Road Which No Longer Exists

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Provides Description of Encl Amend 73 to FSAR for Comanche Peak Steam Electric Station,Including Rev to Section 2.1 Re Deleting Visitor Overlook Access Road Which No Longer Exists
ML20151P237
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 08/05/1988
From: Counsil W
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
Shared Package
ML20151P230 List:
References
TXX-88584, NUDOCS 8808090274
Download: ML20151P237 (2)


Text

.

EG Log # TXX-88584

llll:' M File # 10010 Ref.#10CFR50.34(b) r =

ltlELECTRIC yly,G;ca , ,

August 5, 1988 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D. C. 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET N03. 50-445 AND 50-446 FSAR AMENDMENT 73 DESCRIPTION Gentlemen:

Amendment 73 of the CPSES FSAR was transmitted to you under a separate cover letter, TXX-88583, dated August 5, 1988.

Amendment 73 provides updates, revisions, additions, clarifications and editorial chenges. The following is a summary of the detailed description of this amendment:

1) Revises Section 2.1 to delete the visitor's overlook access road which no longer exists.
2) Revises Section 2.4 to correct the SSI Probable Maximum Flood elevation.
3) Provides editorial corrections to Section 2.5 text and tables.
4) Clarifies and revises Section 3.68 to expand the definition of break exclusion area (BEA) boundary and include a description of the method for detennining the jet cone shape for Category 11 jets.
5) Clarifies Section 3.9N to provide ASME pressure test code requirements for Class 1 applications.
6) Revises Section 3.9N to provide new rod drop times which are sonsistent for Unit 1 and Unit 2.
7) Adds to Section 7.6 a description of a redundant IIELB pressure switch and alann for the CVCS letdown line and corrects the reference to the applicable edition of IEEE-308 1974 to provide consistancy with other FSAR Chapters.
8) Clarifies and revises Section 8.2 discussion of normal, maximum and minimum grid voltages for CPSES.

8808090274 880805 DR ADOCK0500g45 400 Nonh Olns Strert LB 81 Dallas. Tem 13201

TXX-88584 August 5, 1968 Page 2 of 2

9) Adds Section 9.4C.9 for Battery ar.d Charger Room HVAC system.
10) Corrects the Initial Startup Test Schedule (Figure 14.2-4) to reflect previous FSAR revisions.
11) Revises Figure 15.0-1 to accommodate previous .wnges 1a nominal reactor coolant Ti n, increased error allowance associated with N-16 core protection instrumentation and an increase in the low pressure core safety limit.
12) Revisrs the analysis in Sections 15.2.6 to 15.2.8 for the Loss of Honemergency AC Power, Loss of Normal Feedwater Flow and Feedwater System Pipe Break events utilizing a more conservative single failure.
13) Provides in Section 15.6.2, a revised radiation dose at the EAB for the event involving a break in the 3 in. letdown line located outside the Containment.

A page-by-page description of the changes is attached. The number in parenthesis following each description (e.g., (88-399)) is the identification number for the FSAP. Change Request (if any) that was used to process that portion of tnis amendment. The group number after each FSAR Change Request identification number assigns a level of significance for each change made to the FSAR as discue.2ed in TV Electric letter (TXX-88467) of June 1,1988.

Pages which do .iot have changes but are included in the amendment (either because the, are on the opposite side of the sheet from a page that was }

changed, because a change shifted the existing material to another page or [

because only editorial changes were made on these pages) are not discussed in the attachment.

Very truly yours,

/ $

W. G. Counsil RSB/amb Attachment c - Mr. R. D. !!artin, Region IV Resident Inspectors, CPSES (3) ,

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