ST-HL-AE-1379, Forwards Amend 2 to Fire Hazards Analysis Rept for South Texas Project Units 1 & 2,incorporating Listed Changes, Including Addition of Fixed Overhead Full Area Coverage Sprinklers to Cable Spreading Rooms & Power Cable Vault

Forwards Amend 2 to Fire Hazards Analysis Rept for South Texas Project Units 1 & 2,incorporating Listed Changes, Including Addition of Fixed Overhead Full Area Coverage Sprinklers to Cable Spreading Rooms & Power Cable Vault

ML20133K792
Person / Time
Site:	South Texas
Issue date:	10/18/1985
From:	Goldberg J HOUSTON LIGHTING & POWER CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
Shared Package
ML20133K794	List: ML20133K805 ST-HL-AE-1379, Forwards Amend 2 to Fire Hazards Analysis Rept for South Texas Project Units 1 & 2,incorporating Listed Changes, Including Addition of Fixed Overhead Full Area Coverage Sprinklers to Cable Spreading Rooms & Power Cable Vault
References
CON-#485-921 OL, ST-HL-AE-1379, NUDOCS 8510220302
Download: ML20133K792 (5)

Text

The Light NE f flouston Lighting & l'ower itO. Ilox 1700 Ifouston, Texas 77001 (713) 228-9"I1 October 18, 1985 ST-HL-AE-1379 File No.: G9.7 Mr. Harold R. Denton Office of Nuclear Reactor Regulation Nuclear Regulatory Commission Washington, D.C. 20555 South Texas Project Units 1 & 2 Docket Nos. STN 50-498, STN 50-499 Fire Hazards Analysis Report Amendment 2

Dear Mr. Denton:

Enclosed for your review is Amendment 2 to the South Texas Project (STP) Units 1 and 2 Fire Hazards Analysis Report (FHAR).

A copy of this transmittal is attached to each~ amendment copy.

Amendment 2 revises the FHAR to incorporate the following:

1.

Fixed overhead full area coverage sprinklers (non-NFPA and non-Seismic) were added to the STP cable spreading rooms and power cable vault. This change is reflected throughout the FHAR.

2.

Revision to Section 1.3.2 to provide STP's criteria for fire protection of areas with concentrated cable outside of the cable spreading rooms and power cable vault.

3.

Revision to Chapter 2 to provide the methodology which will be i

used to perform the associated circuit / spurious actuation analysis.

4.

Additions and clarifications were added (primarily to Chapter 4) to provide resolution of the STP Fire Protection Draft Safety Evaluation Report (DSER) open items.

5.

Revisions to Table 2-2 and Zone Tables in Chapter 3 to update the safe shutdown functions and equipment.

6.

Revision to Section 4.1, Item III.A to reflect actual capacity of Fire Water Storage Tanks.

7.

Miscellaneous additions and clarifications for both technical and editorial information.

8510220302 851018 A

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liouston Lighting & Power Company ST-HL-AE-1379 File No.: G9.7 Page 2 This amendment provides resolution of all but one of the remaining unresolved DSER Fire Protection open items.

STP's criteria for providing fixed automatic suppression for concentrated cabling outside the cable spreading rooms and outside the power cable vault (see item 2 above) will be evaluated by the NRC to close this item as agreed to in the HL&P meeting with the NRC on September 17, 1985.

A separate letter with specific references to resolution of open items will be provided by October 17, 1985.

If you'should have any questions on this matter, please contact Mr. M. E. Powell at (713) 993-1328.

Jery truly yours,

~Y. )

A'

.. H. Goldberg Group Vice President, Nuclear CAA/yd

Attachment:

FHAR Amendment 2 W6B/NRC/t

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October 18, 1985 ST-HL-AE-1379 File No.: G9.7 Mr. Harold R. Denton Office of Nuclear Reactor Regulation Nuclear Regulatory Commission Washington, D.C. 20555 South Texas Project Units 1 & 2 Docket Nos. STN 50-498, STN 50-499 Fire Hazards Analysis Report Anendment 2

Dear Mr. Denton:

Enclosed for your review is Amendment 2 to the South Texas Project (STP) Units 1 and 2 Fire Hazards Analysis Report (FHAD.).

A copy of this fw transmittal is attached to each amendment copy.

/

a U

Amendment 2 revises the FHAR to incorporate the following:

1.

Fixed overhead full area coverage sprinklers (non-NFPA and non-Seismic) were added to the STP cable spreading rooms and power cable vault. This change is reflected throughout the FHAR.

2.

Revision to Section 1.3.2 to provide STP's criteria for fire protection of areas with concentrated cable outside of the cable spreadirg rooms and power cable vault.

3.

Revision to Chapter 2 to provide the methodology which will be used to perform the associated circuit / spurious actuation l

analysis.

I 4.

Additions and clarifications were added (primarily to Chapter 4) to provide resolution of the STP Fire Protection Draft Safety Evaluation Report (DSER) open items.

5.

Revisions to Table 2-2 and Zone Tables in Chapter 3 to update the safe shutdown functions and equipment.

6.

Revision to Section 4.1, Item III.A to reflect actual capacity of Fire Water Storage Tanks.

h1 7.

Miscellaneous additions and clarifications for both technical and editorial information.

W68/NRC/t

i Houston Lighting & Power Company ST-HL-AE-1379 O

File No.: G9.7 Page 2 l-This amendment provides resolution of all but one of the remaining i

unresolved DSER Fire Protection open items.

STP's criteria for providing fixed automatic. suppression for concentrated cabling outside the cable spreading rooms and outside the power cable vault (see item 2 above) will be evaluated by the NRC to close this item as agreed to in the HL&P meeting with the NRC on September 17, 1985.

A separate letter with specific 1

references to resolution of open items will be provided by October 17, 1985.

If you should have any questions on this matter, please contact -

Mr. M. E. Powell at (713) 993-1328.

ery truly yours,

2. $1

)

. H. Goldberg.

Group Vice President, Nuclear CAA/yd n

~U

Attachment:

FHAR Amendment 2 I

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ST-HL-AE-1379 File No: G9.7 Houston Lighting & Power Company Page 3 l

cc:

k Hugh L. Thompson, Jr., Director Brian E. Berwick, Esquire Division of Licensing Assistant Attorney General for Office of Nuclear Reactor Regulation the State of Texas U.S. Nuclear Regulatory Comission P. O. Box 12548, Capitol Station Washington, DC 20555 Austin, TX 78711 j

Robert D. Martin Lanny A. Sinkin Regional Administrator, Region IV 3022 Porter Street, N.W. #304 Nuclear Regulatory Comission Washington, D. C.

20008 611 Ryan Plaza Drive, Suite 1000 Arlington, TX 76011 Oreste R. Pirfo, Esquire Hearing Attorney I

N. Prasad Kadambi, Project Manager Office of the Executive Legal Director U.S. Nuclear Regulatory Commission U.S. Nuclear Regulatory Commission i

7920 Norfolk Avenue Washington, DC 20555 Bethesda, MD 20814 Charles Bechhoefer, Esquire Claude E. Johnson Chairman, Atomic Safety & Licensing Board Senior Resident Inspector /STP U.S. Nuclear Regulatory Commission i

c/o U.S. Nuclear Regulatory Comission Washington, DC 20555 P. O. Box 910 Bay City, TX 77414 Dr. James C. Lamb, III 313 Woodhaven Road M, D. Schwarz, Jr., Esquire Chapel Hill, NC 27514 Baker & Botts One Shell Plaza Judge Frederick J. Shon Houston, TX 77002 Atomic Safety and Licensing Board U.S. Nuclear Regulatory Comission J. R. Newman, Esquire Washington, D. C.

20555 Newman & Holtzinger, P.C.

3 1615 L Street, N.W.

Mr. Ray Goldstein, Esquire Washington, DC 20036 1001 Vaughn Building 807 Brazos l

Director, Office of Inspection Austin, TX 78701 and Enforcement U.S. Nuclear Regulatory Commissfor Citizens for Equitable Utilities, Inc.

Washington, DC 20555 c/o Ms. Peggy Buchorn Route 1, Box 1684 E. R. Brooks /R. L. Range Brazoria, TX 77422 Central Power & Light Company P. O. Box 2121 Docketing & Service Section Corpus Christi, TX 78403 Office of the Secretary U.S. Nuclear Regulatory Commission H. L. Peterson/G. Pokorr:y City of Auttin Advisory Committee on Reactor Safeguards P. O. Box 1088 U. S. Nuclear Regulatory Commission Austin, TX 78767 1717 H. Street Washington, DC 20555-t J. B. Poston/A. vonRosenberg City Public Service Board P. O. Box 1771 San Antonio, TX 78296 l

W6B/NRC/t Revised 9/25/85 l

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