ML20155C260

Monthly Operating Repts for Sept 1998 for Braidwood Generating Station,Units 1 & 2

ML20155C260
Person / Time
Site:	Braidwood
Issue date:	09/30/1998
From:	Hildebrant D COMMONWEALTH EDISON CO.
To:
Shared Package
ML20155C242	List: BW980057, Forwards MOR for Sept 1998 for Units 1 & 2.Original Sent & Not Available.Distribution Methods to Ascertain Difficulty Being Reviewed ML20155C247 ML20155C260
References
NUDOCS 9811020165
Download: ML20155C260 (7)

Text

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• BRAIDWOOD NUCLEAR GENERATING STATION UNIT 1 AND UNIT 2 MONTHLY OPERATING REPORT Comed NRC DOCKET NO 050-456, LICENSE NO. NPF-72 NRC DOCKET NO. 050-457, LICENSE NO. NPF-77 4

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A. OPERATING DATA REPORT Docket No' 50-456 Unit: Braidwood 1 Date' 10/05/98 Completed by: Don Hildebrant Telephone: 815-458-2801s2173 REPORTING PERIOD: September 1998

1) Design Electrical Rating (Mwe Net) 1120

2) Maximum Dependable Capacity (Mwe Net) 1100 Month Year To Date Cumulative

3) Hours Reactor Critical (Hours) 96.4 5928.4 71,330.5

4) Hours Generator on Line (Hours) 96.0 5928.0 70,470.4

5) Unit Reserve Shutdown Hours (Hours) 0.0 0.0 0.0

6) Net Electncal Energy (Mwh) 65,628 6,470,278 72,619,246 Note:

Unit 1 entered the month in Coast Down due to fuel depletion. As a result, an expected decline in generation occured for the first 4 days of the month. On 9/5/98 at 0001 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> the Generator wat tripped to begin the scheduled A1R07 outage.

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B. UNIT SHUTDOWNS -

Docket No.: 50 -456 Unit: Braidwood 1 Date: 10/05/98 - ..

Completed by: Don Hildebrant Telephone: 815-458-2801x2173 REPORT PERIOD: September 1998 NA Date Type Duration Reason Method Cause and Corrective Actions Hours and Comments 1 980905 S 624 C 1 Unit removed from service to begin scheduled refueling outage A1R07. This outage wi!! also be used to replace the Steam Generators.

SUMMARY

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Unit 1 entered the month in Coast Down due to fuel depletion. As a result, an expected decline in generation occured for the first 4 days of the month.

On 915/98 at 0001 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> the Generator was tripped to begin the scheduled A1R07 outage.

TYPE REASON METHOD F - Forced A - Equipment Failure (explain) 1 - Manual ,

S - Scheduled B - Maintenance or Test 2 - Manual Trip 1 Scram C - Refueling 3 - Automatic Trip t Scram D - Regulatory Restriction 4 - Continuation E - Operator Training I Licensee Examination 5 - Other (explain)

F - Administrative G - Operator Errrir (explain)

H - Other (explain) ,

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n C. SAFETY t RELIEF VALVE OPERATIONS Docket No.: 50 -456 Unit: Braidwood 1 Date: 10/05/98 ' .

Completed by: Don Hildebrant .

Telephone: 815-458-2801x2173 ,

Valves No. & Type Plant i Date Actuated Actuation Condition Description of Event None t

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1 A. OPERATING DATA REPORT Docket No'. 50-457 Unit: Braidwood 2 Date: 10/05/98 Completed by: Don Hildebrant Telephone: 815--158-280lx2173 l

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REPORTING PERIOD: September 1998 i

1) Design Electrical Rating (Mwe Net) 1120

2) Maximum Dependable Capacity (Mwe Net) 1100 l

Mofg Year To Date Cumulatjve

3) Hours Reactor Critical (Hours) 72t 0 6,353.2 74,734.3 ,

4) Hours Generator on Line (Hours) 720.0 6,345.4 74,284.5 l

5) Unit Reserve Shutdown Hours (Hours) 0.0 0.0 0.0

6) Net Electncal Energy (Mwh) 820,775 7,159,904 77,032,730 e

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B. UNIT SHUTDOWNS -

Docket No.: 50'-457 Unit: Braidwood 2 Date: 10/05/98- ..

Completed by: Don Hildebrant Telephone: 815-458-2801x2173  !

REPORT PERIOD. September 1998 NA Date -Type Duration Reason Method Cause and Corrective Actions Hours and Comments

• None

SUMMARY

Unit 2 entered the month at 100% capability and operated routinely for the entire month.

TYPE REASON METHOD F - Forced A - Equipment Failure (explain) 1 - Manual S - Scheduled B - Maintenance or Test 2 - Manual Trip / Scram C - Refueling 3 - Automatic Trip i Scram D - Regulatory Restriction 4 - Continuation E - Operator Training i Licensee Examination 5 - Other (explain)

F - Administrative G - Operator Error (explain)

H - Other (explain)

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C. SAFETY / RELIEF VALVE OPERATIONS -

Docket No.: 50 -457 Unit: Braidwood 2 Date: 10/05/98' .

Completed by: Don Hildebrant Telephone: 815-458-2801x2173 Valves 840. & Type Plant Date Actuated - -Jtuation Condition Description of Event None p

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