ML20049K169
| ML20049K169 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood, 05000000 |
| Issue date: | 03/22/1982 |
| From: | Tramm T COMMONWEALTH EDISON CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8203290479 | |
| Download: ML20049K169 (1) | |
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Su bje c t :- Byron Station Units f and 2
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Braidwood Statlon Un'it s "I "andK" d ~ M t'h * ' "".".
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'Na n'hol e# Covers
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NRC Dock'e t No s. 454, 50-455,
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Dea"r Mr. Denton:
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/,Thistis to prov'ide information regarding revisio'ns t ethe "
s-7 designpof manhole covers to protEc t aga. inst penetration by. tornado,-
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missiles.
Prompt -review o f eth to.ry Issue 2 'o f the Byron. SEFi,. (s inforrfiation should[close Confi'rii5-m -
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Category' I manhd'1e coyers.have.tieens de!Iigned in 'accordance
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.t with SRP 3.5.3afor tornado,, missiles.
Ductile' iron with 100 ksi~ ~
strength is providedrin these 4nanhole covers,
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One (1) signed origipal an'
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d fif teen (15) \\c'opies o f this i
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Please add.ress -quest,lons regardilig tNissinatter to 'this 0ffice.
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