ML20010G723
| ML20010G723 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 09/14/1981 |
| From: | Delgeorge L COMMONWEALTH EDISON CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8109220455 | |
| Download: ML20010G723 (2) | |
Text
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Commonwealth Edison one First National PU12. Chic'go, lihnois O~
Address Reply to: Post Office Box 767 Chicago, Illinois 60690 September 14, 1961 Mr. Harold R.
Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555 k
Subject:
Byron Station Units 1 and 2
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Construction Completion Schedule 5%%
NRC Docket Nos. 50-454 and 50-455.~
t T H. R.
Denton to J. J. O'Connor.
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i Reference (a):
May 29, 1981, letter from n
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Dear Mr. Denton:
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This letter is the second in a series of quarterly reports to you regarding the construction con.pletion date for Byron Unit 1.
The Byron 1 construction and testing schedule is still keyed to fuel loading in April, 1983.
The schedule identifies a large number of specific events which must occur prior to fuel load.
Attachment A to this letter indicates the status of Byron 1 as of September 1, 1981, in terms of the scheduled events.
No critical dates have been passed in completing the construction and testing necessary to support the April, 1983, fuel load date.
Please address further questions regarding the Byron 1 schedule to this office.
Very truly yours, L. O. DelGeorge Director of Nuclear Licensing im 3ool
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.,gr ATTACHMENT A BYRON STATUS AS OF SEPTEMBER 1, 1981 TOTAL SCHEDULE EVENTS ACTUAL EARLY Lt.TE Construction Comple e for Flush 82 37 44 0
Flush Complete 111 27 42 0
Construction Complete for Test 172 23 47 0
Systems Accepted for Test 172 21 32 0
Test Complete 176 30 33 0
TOTAL Column: The total number of each event required for Unit 1 Startup; e.g. 82 systems have been scheduled for turnover for flush.
ACTUAL Column: The number of events completed; e.g. 37 systems have been turned over for flush.
SCHEDULE - EARLY Colunn: The number required by the early target schedule; e.g. 44 construction turnovers are scheduled by September 1, 1981.
SCHEDULE - LATE Column: The number of critical events. As of September 1, 1981, no late dates have been passed.
CONSTRUCTION COMPLETE FOR FLUSH: The system has been completed to the level necessary for acceptance flushing.
FLUSH COMPLETT: The acceptance flush is complete.
CONSTRUCTION COMPLETE FOR TEST: The system is completed for testing.
SYSTEM ACCEPTED FOR TEST: The Station has inspected the system, and any aecessary work has been done to allow the station to accept the system for testing.
TEST COMPLETE: The pre-operational test or system demonstration has been complete d.