ML20087G147

Monthly Operating Rept for Feb 1984

ML20087G147
Person / Time
Site:	Fort Saint Vrain
Issue date:	02/29/1984
From:	Fuller C, Warembourg D PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
P-84080, NUDOCS 8403190344
Download: ML20087G147 (9)

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PUBLIC SERVICE COMPANY OF COLORADO FORT ST. VRAIN NUCLEAR GENERATING STATION b i MONTHLY OPERATIONS REPORT NO. 121 February, 1984 i

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This report contains the highlights of the Fort St.-Vrain, Unit No. 1, activities operated under the . provisions of the Nuclear Regulatory Commission Operating-License DPR-34. This report is for the month of February, 1986 i 1.0 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE AND MAJOR SAFETY RUTED EfNTENANCE February began with the reactor shutdown for refueling, turbine generator overhaul, major electrical modifications, and various routine corrective and preventive maintenance items.

Refueling activities began on February 3,1984. Fuel handling was completed on February 29, 1984. Control rod drive work will ,

be completed in early March.

The main turbine work is presently close to the original schedule. The low pressure rotor was sent to General Electric

for installation of rotor blades and will be installed after the number 3 and number 4 bearings are received and installed.

"A" circulator is being removed as a result of an inspection of its internal piping. The inlet screen on the piping was not in place and was found to be in the piping. Considerable damage was also found on the inlet steam nozzles to the "A" circulator steam turbine. The damage appears to be caused by ingestion of

- some foreign object. This is believed to be the cause of speed valve discrepancies noted during plant operation. The thermal '

shield had broken up and caused internal piping removal problems. The spare circulator will be shipsed from GA Technologies and should be on site during the fi .'st part of March.

Other preventive and corrective maintenance activities, including work on feedwater heaters number 5 and 6, all three boiler feed pumps, and marmon flange work on the steam t

generators, is slightly behind schedule. With the unexpected L requirement of having to replace "A" helium circulator, the overall outage has been extended by two (2) weeks.

2.0 SINGLE RELEASES OF RADIOACTIVITY OR RADIATION EXPOSURE IN EXCESS OF 10% OF THE ALLOWABLE ANNUAL VALUE None. .

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'J, i 3.0 INDICATION OF FAILED FUEL RESULTING FRGM 1RRADIATED FUEL EXAMINATIONS None.

4.0 MONTHLY OPERATING OATA REPORT Attached.

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• Attscheent-33 Issue 2 cPrtA-INO DcA REPO M DOC m NO. 50-267 DAT: March 12. 1984 Coret.rTrD T Chuck Faller Tr:.trs0xr (303)783-2224 _

ort 2AT*x stets soTEs

1. Vei: Fame: Fort St. Vrain

2. asporting Period; _

840201 throuch 840229

3. Licensed Thermal Power Oeit): 842

4. Nameplate Ratins (Gross We): 342

5. Desisa nectrical natins Olet me): 330

6. W= Dependable Capacity (Gross me): 342

7. .Lh Dependable capacity (met we): 330

s. If Chages occur in Capacity Battage (Items Bamber 3 Through 7) Since Last Report, Give Beasons:

None

9. Power Level To ilhich Eastricted. If Amy (Not We): 280

10. mensons for nostrictions, If any: NRC autherization for long term operation above 85% reactor power is pending completion of B-0 Startup Testing.

This Month Tear to Date Cumailative

11. ,ours in neportins Period 696.0 1.440.0 40,921.0

12. m ober of sours teactor was Critical 0.0 468.0 26,295.3 ,'

0.0 0.0 0.0

13. nosetor neeerve shutdown soure

14. nevre cenerstar On-Line 0.0 446.6 18.249.8 0.0 0.0 0.0

15. Datt asserve shutdown uoure 0.0 240,818.8 9,762,136.4

16. Gross Thermal zuersy Generated osa)

17. Grose Electrical Inergy Generated 083E) 0 77,412 3,230.862

-1.952 69,350 2,940,880 1s, not nectrical smersy Genstated (MWE) 0.0 31.0 44.6

19. Unit s'rvice e rector

20. Unit availability raetor 0.0 31.0 44.6

21. unic Capacity rector (usins MDC net) 0.0 14.6 21.8 0.0 14.6 21.8

22. Unit Capacity rector (using Det me)

23. Unit Forced Ostase 1st. 0.0 1.5 38.9

24. shutdowns Scheduled Over Next 6 haths (Type Date, and Duration of Zach): Refueling _3-1-84/0000 (

through 5-2-84/2130, 1077.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />

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25. If Shut Down at Ind of Report Period. Estimated Date of Startup: 5-2-84

26. Units in Test Status (Prior to Commercial Operation): forecast Achieved m TIAL CRITICALITT N/A N /A INITIAI ELECTRIC m N/A N/A N/A N/A COMMERCIAL OPERATION

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. . + - Attach:nent-3A AVERAGE DAILY UNIT POWER LEVEL Inoue 2 Page 1 of 1 Docket No. 50-267 Unit _ Fort St. Vrain Date March 12. 1984 completed By Chuck Fuller Telephone (303)785-2224 Nonth Februarv, 1984 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (Nie-Net) (NWe-Net) 1 0.0 17 0.0

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2 0.0 38 0.0 3 0.0 19 0.0 4 0.0 20 0.0 5 0.0 21 0.0

.i 6 0.0 22 0.0 7 0.0 '23 0.0 8 0.0 24 0.0 l '

9 0.0 25 0.0 l

10 0.0 26 0.0 11 0.0 27 0.0 12 0.0 28 0.0 13- 0.0 29 0.0 14 0.0 30 N/A 15 0.0 31 N/A r

16 0.0 i

• Generator on line but no net generation.

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n REFUELING INFORMATION I l l l 1. Name of Facility l Fort St. Vrain Unit No. 1 l l l l l l 2. Scheduled date for next l 3rd Refueling: l 4th Refueling:l l refueling shutdown. I currently underwayl Feb.1,1986 l l l l l l 3. Scheduled date for restart l May 2, 1984, l May 1, 1986 l l following refueling. I 2130 hours0.0247 days <br />0.592 hours <br />0.00352 weeks <br />8.10465e-4 months <br /> l l l l l l l 4. Will refueling or resumption ofl l l l operation thereafter require a l Yes l None Expected l l technical specification change l l l l or other license amendment? l l l l l l l l If answer is yes, what, in l Use of type H-451 l ------------ l l general, will these be? I graphite. l l l l l l l If answer is no, has the reloadj l l l fuel design and core configura-l l l l tion o'een reviewed by your l l l l Planc Safety Review Committee l ---------------- l No l l to determine whether any unre- l l l l viewed safety questions are l l l l associated with the core reload l l l l (Reference 10 CFR Section l l l l 50.59)? l I l l l l l l If no such review has taken l---------------- l 1985 l

-l place, when is it scheduled? l l l l l l l l 5. Scheduled date(s) for submit- l Submitted to NRC l l l ting proposed . licensing action l December 2, 1983. l ------------ l l and supporting information. l l l l l l l l 6. Important licensing considera- l l l l tions associated with refuel- l l l l ing, e.g., new or different l l l l fuel design or supplier, unre- l ---------------- l ------------ l l viewed design or performance l l l l analysis methods, significant l l l l changes in fuel design, new l l l l operating procedures. l l l 1 l l l 7. The number of fuel assemblies l l l (a) in the core and (b) in the l 1482 HTGR fuel elements l l spent fuel storage pool. I 251 spent HTGR fuel elements l t

aus - REFUELING INFORMATION (CONTINUED)

.I I l l 8. The present licensed spent fuell l l l pool storage capacity and the l l l size of any increase in l Capacity is limited in size to l l licensed storage capacity that l about one-third of core l l has been requested or is j (approximately 500 HTGR elements).l l planned, in number of fuel l No change is planned. l l assemblies. t l l 1 l l 9. The projected date of the last l 1992 under Agreements AT(04-3)-633l l refueling that can be dis- l and DE-SC07-79ID01370 between l l charged to the spent fuel pool l Public Service Company of l l assuming the present licensed l Colorado, and General Atomic l l capacity. l Company, and 00E.* l

• The 1992 estimated date is based on the understanding that spent fuel discharged during the term of the Agreements will be stored by DOE at the Idaho Chemical Processing Plant. The storage capacity has evidently been sized to accomodate eight fuel segments. It is estimated that.the eighth fuel segment will be discharged in 1992.

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public Servlee Company ce2 Ork ndo

., 16805 Road 19 1/2, Platteville, Colorado 80651-9298 March 13, 1984 Fort St. Vrain Unit No. 1 P-84080 Office of Inspection and Enforcement ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, D.C. 20555

Reference:

Facility Operating License No. DPR-34 Docket No. 50-267

Dear Sir:

Enclosed please find our Monthly Operations Report for the month of February, 1984.

Very truly yours, A0~ 1Yw Don Warembourg Manager, Nuclear P oduction DW/djm Enclosure cc: Mr. John T. Collins i

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