ML20236V476
| ML20236V476 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/24/1987 |
| From: | Gridley R TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| Shared Package | |
| ML20236V477 | List: |
| References | |
| NUDOCS 8712040324 | |
| Download: ML20236V476 (2) | |
Text
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TENNESSEE VALLEY AUTHORITY CH ATTANOOGA. TENNESSEE 37401 SN 1578 Lookout Place NOV 241987 U.S. Nuclear Regulatory Commission j
ATTN: Document Control Desk I
Washington, D.C.
20555 Gentlemen:
In the Matter of
)
Docket Nos. 50-327 Tennessee Valley Authority
)
50-328 SEQUOYAH NUCLEAR PLANT (SQN) UNITS 1 AND 2 - WYLE LABORATORIES TEST REPORT FOR SILICONE RUBBER-INSULATED CABLES
Reference:
Letter to NRC dated November 20, 1987, "Sequoyah Nuclear Plant (SQN) Units 1 and 2 - Cable Test Program Procedures, Data, and Results" Enclosed is the " Qualification Test Program for Silicone Rubber Cables with Reduced Insulation Thicknesses for Use in Tennessee Valley Authority's Sequoyah Nuclear Plant, Unit 2" that was recently completed at Wyle Laboratories, Huntsville, Alabama. Although the report is marked proprietary, TVA does not consider this information exempt from disclosure, based on the criteria in 10 CFR 2.790.
This qualification test program was performed to verify that these silicone rubber cables, which cordained reduced wall thicknesses and ir.duced impact damage, would perform their intended function during the specified design basis event (loss of coolant accident simulation). The test program also fulfilled the intent of the Institute cf Electronic and Electrical Engineers (IEEE) Standards 323-1974 and 383-1974.
TVA's assessment of the Hyle test program and its results will be presented to NRC at the November 24, 1987 meeting in Bethesda, Maryland.
Very truly yours, TENNESSEE VA LEY AUTHORITY 8712040324 871124' PDR ADOCK 05000327 P
PDR R. Gridley, rector Nuclear Licensing and Regulatory Affairs Enclosure cc:
See page 2
()N An Equal Opportunity Employer
,1-16'$ ' U.S. Nuclear Regulatory Commission NOV 241987 cc: Mr. G. G. Zech,' Assistant Director for Inspection Programs
/ Office'of Special, Projects--
U.S. Nuclear Regulatory Commission 101 Marietta Street, NW, Suite 2900 Atlanta,. Georgia 30323 Mr. J.'A.
Zwolinski, Assistant Director for Projects Division'of TVA Projects Office of Special Projects U.S. Nuclear Regulatory Commission 4350 East-West Highway-
.EWW 322 Bethesda, Maryland 20814 Sequoyah Resident Inspector Sequoyah Nuclear Plant 2600 Igou_ Ferry Road Soddy Daisy,' Tennessee 37379-
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