ML20234D535
| ML20234D535 | |
| Person / Time | |
|---|---|
| Site: | 05000000, Quad Cities |
| Issue date: | 11/20/1972 |
| From: | Skovholt D US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Seiss C Advisory Committee on Reactor Safeguards |
| Shared Package | |
| ML20234A777 | List:
|
| References | |
| FOIA-87-40 NUDOCS 8707070248 | |
| Download: ML20234D535 (2) | |
Text
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UNITED STATES
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ATOMIC ENERGY COMMISSION l1 4 /.
F' WASHINGTON. D.C. 205A5 g7
%,3 e November 20, 1972 2
Docket Nos. 50-254 and 50-265
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Dr. Chester P. Siess Chairman, Advisory Conraittee on Reactor Safeguards U. S. Atomic Ehergy Conrnission Washington, D. C.
20545 Daar Dr. S$ess:
Sixteen (16) copies of the following are transmitted for the Conrnittee's information:
TWX f rom Commonwealth Edison Company dated November 16, 1972, reporting that with Quad-Cities Units 1 and 2 at 90% power MSIV 1-203-2D would not check properly.
t Sincerely, t
i: ?Y / W, /l(/
Donald J. o.ovflolt Assistant Director for Operating Beactors Directorate of Licensing Ehclosures:
As stated F, <' f'.
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![1 8707070248 870610 PDR FOIA PDR THOMAS 87-40.,
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.4 SUpFLEMENT NO. 160 CATBOORT 3 gg -
l emed cities November 29, 1972 g -
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BE Condensate pump Room ModificatiSas 4
6 l
ACRS Coussonwealth Edison Coseany letter dated November 10. 1972 submits l
Special Report 3A, " Condensate pump Room Modifications" which presents the permanent condensate pump room modifications to prevent flooding of the MUL service water pumps and the diesel generator cooling water pumps.
No ACES action is recommended. h enclosed material should be retained as part of the permanent record.
l (JCM) 19 91 Technical Specifications ACRS ABC totter dated November 14. 1972 advises Caumsomunalth that tio Technical Specifications proposed for full power operation are deficient in the following areas 1.
Limits and surveillance requirements for drywell vacuum breakers.
2.
Limits and surveillance required to permit bypassing the main steen line isolation valve closure scram at reactor pressures l
below 600 psig.
I 3.
Limits and surveillance required for water level evitehes in
'l the condenser room.
j No ACES action is recommended. The enclosed meterial may be discarded af ter your review.
(JCK)
NMH Post LOCA Hydromen contr31 b
ACES AEC letter dated November 14. 1972 requests additional information on the proposed containment atmosphere dilution system (CAD).
I No ACES ection is recomunended. The enclosed material may be i
discarded after your review, i
(JCM)
)
NMH Main Steam Isolation Valve Malfunction b
ACES C--
. - alth Edison Company TWI dated November 16. 1972 reports that one Main Steam Is lation Yalve would ndclose. The redoodsat o
valve in that line was closed and operation at reduced power la continuing with three main steen lines in use. A more detailed report is expected later.
No ACRS action is recommmanded.
ACRS orncr>
The enclosed material may be discarved after yoor review.
JCM:b} h ar>
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Form At C.318 gKev. 9.$3) AICM 0240 OFptCIAt.- 99t"MTm
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