ML20052F342
| ML20052F342 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 05/03/1982 |
| From: | Schroeder C COMMONWEALTH EDISON CO. |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| 4025N, NUDOCS 8205120363 | |
| Download: ML20052F342 (2) | |
Text
o' CN) one First National Ptara. Chicago. Ilhnois Commonwealth E:~ son
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'Q Chicago, Illinois 60690 co May 3, 1982 9
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Licensing Branch #2 e
JP Division o f Licensing U. S. Nuclear Regulatory Commission i" ' '"'IT'.5
,0 Washington, DC 20555
Subject:
LaSalle County Station Units 1 & 2 Fire Protection Program Fire Stops for Non-Segregated Phase Bus Duct Penetrations NRC Docket Nos. 50-373 and 50-374 Re ferences (a):
C.
E. Sargent's letter to A. Schwencer dated December 18, 1981.
(b):
C.
W. Schroeder's leter to A. Schwencer dated February 25, 1982.
Dear Mr. Schwencer:
The purpose of this letter is to provide you with the results of the test which was scheduled per References (a) and (b).
On April 14, 1982, Tech-Sil successfully performed the fire test on a non-segregated phase bus duct penetration fire seal at Portland Cement Associated in Skokie, Illinois.
Representatives of S&L and CECO witnessed the test.
Tech-Sil submitted a preliminary fire test ' report to us on April 16, 1982.
Tech Sil conducted the fire test according to the ASTM E-119 time and temperature curve for three hours.
During the 3-hour test, fire did not penetrate through the penetration seal, and fire did not occur on the unexposed surf, : ef the penetration.
Immedi-ately following the fire test, Te.0 5 -5 2 performed two hose-stream tests in accordance with ANI am. IE' 634-1978 test requirements.
Water did not penetrate the sta;
,9
, q the hose-s tream tests.
Since Tech Sil has successfully performed a fire test on a bus duct fire seal and has submitted a report, we have fulfilled our commitment to the NRC with regards to this item.
oO) s 0>
j 8205120363 020503 DR ADOCK 05000373 PDR
A. Schwencer May 3, 1982 If there are any further questions in this matter, please contact this of fice.
One (1) signed original and thirty-nine (39) cop.
'f this letter are enclosed for your use.
Ve ry truly yours, S/3/82 C.
W. Schroeder Nuclear Licensing Administrator 1m cc:
NRC Resident Inspector 4025N