ML17326A087

Monthly Operating Rept for July 1999 for DC Cook Nuclear Plant,Unit 1.With 990812 Ltr

ML17326A087
Person / Time
Site:	Cook
Issue date:	07/31/1999
From:	Bakken A, Pratt M, Richardson S AMERICAN ELECTRIC POWER CO., INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9908240073
Download: ML17326A087 (8)

Text

CATEGORY 1 RE L'ORY INFORMATION DISTRI~i SYSTEM (RIDS)ACCESSION NBR:9908240073 DOC.DATE: 99/07/31 NOTARIZED:

NO FACIL:50-315.Donald C.Cook Nuclear Power Plant, Unit 1, Xndiana M AUTH.jlAME AUTHOR AFFILIATION PRATT,M.M.

American Electric Power Co., Inc.RICHARDSON,S.A.

American Electric Power Co.', Inc.BAKKEN,A.C.

American Electric Power Co., Inc.RECIP.NAME RECIPIENT AFFILIATION DOCKET¹05000315

SUBJECT:

Monthly operating rept for July 1999 for DC Cook Nuclear Plant, Unit 1.With 990812 ltr.DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR ENCL SIZE: TITLE: Monthly Operating Report (per Tech Specs)NOTES: RECIPIENT, ID CODE/NAME STANG,J COPIES LTTR ENCL 1 1 RECIPIENT ID CODE/NAME COPIES LTTR ENCL 0 INTERNAL: E CENTER 0 1 1 RES DRAA/QRRXB 1 1 EXTERNAL: LMXTCO MARSHALL 1 1 NRC PDR 1 1 OC/DBA/PAD RGN3 NOAC 1 1 1 1 1 1 Y'C'M,lNOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE.TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD)ON EXTENSION 415-2083'I TOTAL NUMBER OF COPIES REQUIRED: LTTR 8 ENCL 8 American El ric P~er Cook Nude t One Cook Pla Bridgman, MI49106 6164655901 August 12, 1999 United States Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Document Control Manager: Pursuant to the requirements of Donald C.Cook Nuclear Plant Unit 1 Technical Specification 6.9.1.8, the attached Monthly Operating Report for July 1999 is submitted.

Sincerely, A.Christopher Bakken, III Site Vice President ACB/bwo Attachment c: NRC Region III NRC Project Manager-NRR NRC Resident Inspector ANI Nuclear Engineering Department INPO Records Center R.C.Godley G.T.Gaffney-Canton D.R.Hahn-Department of Health S.Hamming-Department of Labor G.John B.Lewis-McGraw-Hill Companies D.H.Malin T.P.Noonan D.W.Paul-Lancaster J.E.Pollock R.P.Powers Regulatory Licensing Manager M.W.Rencheck W.H.Schalk D.G.Turner 9908240073 99073k PDRii ADOCK 050003%5 R PDR N.R.C.OPERATING DATA R DOCKET NO.DATE COMPLETED BY TELEPHONE 50-315 August 2, 1999 M.M.Pratt 616-'465-5901 D.C.Cook Unit1 July-99 3250 1152 1020 MWe)1056)1000 OPERATING STATUS 1.Unit Name 2.Reporting Period 3.Licensed Thermal Power (MWt)4.Name Plate Rating (Gross MWe)5.Design Electrical Rating (Net MWe)6.Maximum Dependable Capacity (GROSS 7.Maximum Dependable Capacity (Net MWe Notes: 8.If Changes Occur in Capacity Ratings (Items no.3 through 7)Since Last Report Give Reasons: 9.Power Level to Which Restricted, If Any (Net MWe): 10.Reasons For Restrictions, If Any: 11.Hours in Reporting Period 12.No.of Hrs.Reactor Was Critical 13.Reactor Reserve Shutdown Hours 14.Hours Generator on Line 15.Unit Reserve Shutdown Hours 16.Gross Thermal Energy Gen.(MWH)17.Gross Electrical Energy Gen.(MWH)18.Net Electrical Energy Gen.(MWH)19.Unit Service Factor 20.Unit Availability Factor 21.Unit Capacity Factor (MDC Net)22.Unit Capacity Factor (DER Net)23.Unit Forced Outage Rate This Month 744.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 Year-to-Date 5832.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 Cumulative 216216.0 151285.3 463.0 148821.1 321.0 440194814.0 143013940.0 137597640.0 69.4 69.4 63.3 61.7 15.3 24.Shutdowns Scheduled over Next Six Months (Type, Date, and Duration):

None 25.If Shut Down At End of Report Period, Estimated Date of Startup: Se tember 2000 26.Units in Test Status (Prior to Commercial Operation):

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION Forecast Achieved DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE 50-315 D.C.Cook Unit1 August 2, 1999 M.M.Pratt 616-465-5901 AVERAGE DAILY POWER LEVEL (MWe-Net)July 1999 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 7/1/99 7/2/99 7/3/99 7/4/99 7/5/99 7/6/99 7/7/99 7/8/99 7/9/99 7/1 0/99 7/1 1/99 7/12/99 7/1 3/99 7/14/99 7/1 5/99 7/16/99 7/17/99 7/18/99 7/19/99 7/20/99 7/21/99 7/22/99 7/23/99 7/24/99 7/25/99 7/26/99 7/27/99 7/28/99 7/29/99 7/30/99 7/31/99

~0~0~C I l DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE PAGE 50-315 D.C.Cook Unit 1 August 5, 1999 S.A.Richardson 616-465-5901 1 of1 MONTHLY OPERATING ACTIVITIES

-July 1999 HIGHLIGHTS The unit entered this reporting period in Mode 5 at 0%RTP.The unit exited this reporting period in Mode 5 at 0%RTP.There were no challenges to the pressurizer safety valves or power operated relief valves.Gross electrical generation for the month of July was 0 MWh.DETAILS 07/05/99 07/27/99 From 0527 to 1326 hours0.0153 days <br />0.368 hours <br />0.00219 weeks <br />5.04543e-4 months <br />, placed Train A 4kV Electrical Safeguards Buses on the 69 kV offsite emergency power source to support repair activity on the 12 kV reserve power source in the station switchyard.

At 1845 hours0.0214 days <br />0.513 hours <br />0.00305 weeks <br />7.020225e-4 months <br />, both Train A and Train B Emergency Diesel Generators were declared inoperable for Modes 5 and 6 due to inability to meet design basis.The combustion air intake, combustion exhaust, ventilation intake and ventilation exhaust structures were deemed inadequate in regard to tornado generated missiles.All times are in Eastern Standard Time (EST).

~0 1 I 4 DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE PAGE 50-315 D.C.Cook Unit1 August 5, 1999 S.A.Richardson 616-465-'5901 1 of1 UNIT SHUTDOWNS AND POWER REDUCTIONS

-July 1999 METHOD OF SHUTTING LICENSEE DURATION DOWN EVENT SYSTEM COMPONENT NO.DATE TYPE HOURS REASON REACTOR REPORT NO.CODE CODE CAUSE AND CORRECTIVE ACTION TO PREVENT RECURRENCE 333 090897 F 744.0 97-010 97-011 97-012 97-013 97-014 97-016 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A The unit remained shutdown to resolve design basis questions discovered during the NRC Architect and Engineering (AE)Inspection.

1 TYPE: F: Forced S: Scheduled 2 REASON: A: Equipment Failure (Explain)8: Maintenance or Test C: Refueling D: Regulatory Restriction E: Operator Training and License Examination F: Administrative G: Operational Error (Explain)H: Other (Explain)3 METHOD;1: Manual 2: Manual Scram 3: Automatic Scram 4: Other (Explain)4 SYSTEM: Exhibit G-Instructions for preparation of data entry sheets for Licensee Event Report (LER)File (NUREG 0161)5 COMPONENT:

Exhibit I: Same Source