ML20127J098

Monthly Operating Rept for May 1985

ML20127J098
Person / Time
Site:	Fort Saint Vrain
Issue date:	05/31/1985
From:	Gahm J, Novachek F PUBLIC SERVICE CO. OF COLORADO
To:
References
P-85200, NUDOCS 8506260451
Download: ML20127J098 (9)

Text

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W- e PUBLIC SERVICE COMPANY OF COLORADO FORT ST. VRAIN NUCLEAR GENERATING STATION MONTHLY OPERATIONS REPORT NO 136 May, 1985 g6

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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 May, 1985.

1.0 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE AND MAJOR SAFETY RELATED MAINTENANCE Fourteen control rod drive and orifice assemblies were refurbished in May. Three were reworked to install the slack cable bushing retainer. One of these (Control Rod Drive #21 -

the first unit worked), was completely disassembled to relubricate gears and install new bearings. If the present rate of refurbishment is maintained, thirty-seven operable rods will be available by June 19, 1985.

Helium Circulator "1A" was returned to operation on April 27, 1985. The electronic controls and the digital valve on the main drain of this circulator are functioning very well at this time.

The electronic controls have been installed on the four helium circulator main drain systems. Helium Circulator "1A" was the first circulator operated with the new controls.

The steam outlet block valve on Helium Circulator "1B" was dismantled. Visual inspection revealed valve internal problems.

The valve is being repaired at the present time.

Helium Circulator "1D" has been returned to the reactor vessel.

The circulator bolts were changed. The process of installation requires several checks and many hours of welding. The circulator is presently scheduled for completion on June 8, 1985.

The Loop I reheat stop check valve x-ray indicated that a portion of the weld buildup was not successful. A portion of the valve was removed and the area was rewelded. Heat treating and x-raying are scheduled for the first week in June.

Condenser vacuum and feedwater cleanup will be established after the previous items are complete.

The flywheel for P-45015 has been changed out, and is ready for the June 24, 1985 American Nuclear Insurers inspection.

The annual requalification examinations administered by the Training Department for licensed operators are completed. All personnel passed the test. The Nuclear Regulatory Commission

! administered their examination to eight license holders during May, l

i Training for the anticipated startup is in progress for plant operators.

2-2.0 SINGLE RELEASES OF RADIOACTIVITY OR RADIATION EXPOSURE IN EXCESS OF 10*4 0F THE ALLOWABLE ANNUAL VALUE None 3.0 INDICATION OF FAILED FUEL RESULTING FROM IRRADIATED FUEL EXAMINATIONS None

! 4.0 MONTHLY OPERATING DATA REPORT Attached 5

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. orruTIwoum Rzron nocxtT no. 50-267 nm June 10, 1985 court.rTrp :T Frank Novachek m .zruozz (303) 785-2224 or RATING STATt'5 norrs Fort St. Vrain

1. cait u  : .

2. a.porties period: 850501 through 850531

3. 1.icensed Thermal Power Oedt):

• 842

4. Nameplate Ratins (Gross We): 342

5. Desise ziectrical natias (pet We): 330

6. Maximus Dependable capacity (Groes We): 342

7. Maximum Dependable Capacity (Net We): 330

. If chanses Occur in capacity natias. (Items Nuber 3 Through 7) since last Repert, cive Reasons:

None

s. Power f.evel To which Restricted. If Amy (pet We): 280

10. maasons for anscristiens, If any: Per commitment to the NRC. lona term ooeration above 85% power is pending completion of B-0 startup testing, nia nseth T u r te nace cumule 1,e

11. u sre to a ,orttas Perted 744 3,623 51,888

12. pueber of wee me.cter ses crittul 0.0 0.0 27,151.4 ,

13. a eter n erve shutdeva se.re 0.0 0.0 0.0

14. news ce=reter 0 t.t 0.0 0.0 18,468.0

15. cast amerve shutdeva Eeure 0.0 0.0 0.0

16. cron aermal smersy mer.t.d (ient) 0.0 0.0 9,861,714.4 0.0 0.0 3,248,594

17. crou nectriest saarer c norated (Mus) is. not u.e rie 1 smesy cener ced (Wu) -2,199 -10,247 2.917,711 is, vait s'arvice raster 0.0 0.0 35.6

20. unit Av.116111ty rector 0.0 0.0 35.6 21, unit capact y ruter (usins Hoc net) 0.0 0.0 17.0

12. unit cepeesty rutor (usies sR o net) 0.0 0.0 17.0

23. unit Forced Outage Rate 100.0 100.0 51.9

24. shutdeves scheduled over West 6 Months (Type, Dete, and Durasien of sach): 850601 to A50701.

720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> July 1. 1985 e

25. If shut Down at End of Report Period, tetinated Date of startup

26. Unite la Test status (Prior to commere141 Operation): Forecast Aehieved InTIA1. entscA!!TT N/A N/A InnA1, C:.Ec!RICITT N/A N/A comzRCIA! OPERATION N/A N/A

. Ahchment-3A AVERAGE MILY UNIT POWER LEVEL us 2 p y Docket No. 50-267 Unit Fort St. Vrain Date June 10, 1985 Completed By Frank Novachek Telephone (303)785-2224

& nth May. 1985 -

MY AVERAGE MILY POWER LEVEL MY AVERAGE MILY POWER LEVEL (We-Net) (We-Net) 1 0.0 17 0.0 2 0. 0' 13 0.0 3 0.0 19 0.0 4 0.0 20 0.0 .--.

5 0.0 21 0.0 6 0.0 22 0.0 7 0.0 23 0.0 g 0.0 24 0.0 9 0.0 25 0.0 10 0.0 26 0.0 11 0.0 27 0.0 12 0.0 23 0.0

. 13 0.0 29 0.0 , , , .

14 0.0 30 0.0 ,

15 0.0 31 0.0 16 0.0

• Generator on line but no not generation.

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REFUELING INFORMATION 1

I I I l 1. Name of Facility l Fort St. Vrain Unit No. 1 l

- 1 I I l 2. Scheduled date for next l l l refueling shutdown. I January 1. 1987 l l l l l 3. Scheduled date for restart l February 1, 1987 l l following refueling. l l l l ll l 4. Will refueling or resumption ofl No ,1 l operation thereafter require a l l technical specification change l l or other license amendment? I ll l l 11 l If answer is yes, what, in l ---------------- , 1 ;

l general, will these be? l ll l l ll l If answer is no, has the reload l l fuel design and core configura-l l tion been reviewed by your l ll l Plant Safety Review Committee l No l l to determine whether any unre- l l viewed safety questions are l ll associated with the core reload l I (Reference 10 CFR Section l' l ll 50.59)? l ll l If no such review has taken 'I 1985 l place, when is it scheduled? 1 l

ll l l

5. Scheduleddate(s)forsubmit- l l ting proposed licensing action ----------------

l and supporting information.

l

6. Irportant licensing considera- l tions associated with refuel- '

1.

l ing, e.g., new or different l ll fuel design or supplier, unre- ----------------

ll viewed design or performance analysis methods, significant l changes in fuel design, new l l operating procedures. I:

ll

! 7. The number of fuel assemblies l (a)inthecoreand(b)inthela)1482HTGRfuelelements spent fuel storaae_ pool. I b) 137 spent _ fuel elements

REFUELING INFORMATION (CONTINUED) l 1 l l 8. The present licensed spent fuell 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 l (approximately 500 HTGR elements).l l planned, in number of fuel  ! No change is planned. l l assemblies. l l

1: l l

9. The projected date of the last 1992 under Agreements AT(04-3)-633l refueling that can be dis- I and DE-SC07-791001370 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.

PublicService . ...

Company of Colorado 16805 WCR 19 1/2, Platteville, Colorado 80651 June 14, 1985 Fort St. Vrain Unit No. 1 P-85200 Office of Inspection and Enforcement ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, D.C. 20555 Docket No. 50-267

SUBJECT:

Monthly Operations Report - May, 1985

REFERENCE:

Facility Operating License No. DPR-34

Dear Sir:

Enclosed, please find our Monthly Operations Report for the month of May, 1985.

Sincerely,

' J. W. Gahm Manager, Nuclear Production Fort St. Vrain Nucicar Gonorating Station Enclosure cc: Mr. John T. Collins JWG:djm

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