ML14030A289

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Monthly Report on the Meteorological Monitoring Program at the Braidwood Nuclear Generating Station
ML14030A289
Person / Time
Site: Braidwood  Constellation icon.png
Issue date: 03/31/2012
From:
Murray & Trettel
To:
Exelon Nuclear, Office of Nuclear Reactor Regulation
Shared Package
ML14030A308 List:
References
RS-14-029
Download: ML14030A289 (18)
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Text

a .WMonthly Reporton theMeteorological Monitodng Programat theBraidwood Nuclear Generating StationMarch 2012prepared forExelon NuclarWarrenville, Illinois 60555byMurray and Tret.J, Incorporated 600 First Bank Drive, Suite APalatine, Illinois 60067(847) 963-9000e-mail: mtfeathercommand.com web: httpA/www.weathemommand.com For Eeo pReviewed By:FDate: 5-/0 Z--Z.Murray & Trettel, Inc. 600 Fiat Bank Drive Suite A Palaine, IUinals 60067 (847) 963.9000 wTable of ContentsSection Description PaeI Station Action Items ..........................................................

12 Equipment Maintenance

........

.........................

I3 Data Recovery Summary .............................................

24 Summary of Billings

.....................................................

35 Data Analysis

...............................................................

46 Computer Processing

......................

47 Annual Report Preparation

..........................................

4Murray & Trette, Inc. 600 Fiat Bank Driw, Std- A Palatne, llinob 60067 (847) 963.9000 1. Braidwood Station Action ItemsPendina Action Items Problem Recommended Solution Raw-none-date Exelon was notified of problem or date of Monthly Report where problem was first reported2. Equipment Maintenance at Braidwood A regular scheduled visit to inspect the equipment was made on the 140 of March. TheRoutine Site Visitation Log, a record of existing onsite conditions, was completed during thevisiL A copy of this log is included in this reportOn the 14th, a calibration of the meteorological tower was performed.

A copy of the log isincluded in this report.On the 28h, 2 wind direction sensors were repaired, calibrated and given new bearings.

On the 29', the 34 ft. wind direction sensor was replaced due to high readings.

No other problems were encountered with the equipment during March, and at the end ofthe month, no problems were evident at the site.Murray & Trettel, Inc. 600 Rat Bank Dq, SuitkA Paladag linois 60067 (847) 963-9000 3. Data RecoveryThe record of data recovery year-to-date is summarized In Table 1.Table IBraidwood Nuclear StationData Recovery SummaryMarch 2012Hours in Month = 744 Hours to date = 2184 Hours in year = 8784This Month Year to DateMeasurement Valid Lost Edits Valid Lost EditsHrs % Hrs % Hrs % Hrs %34Ft Wind Speed203Ft Wind Speed34Ft Wind Direction 203Ft Wind Direction 30Ft Temperature 199Ft-30Ft Delta-T30Ft Dew Point3Ft Precipitation 741 99.6741 99.6740 99.5741 99.6741 99.6741 99.6741 99.6330.7 2181 99.9 3 0.70.0 2181 99.9 3 0.04 19.8 2179 99.8 53 0.0 2181 99.9 33 0.0 2181 99.9 33 0.0 2181 99.9 33 0.1 2181 99.9 37.40.00.00.00.7743 99.9 1 0.5 2183 100.01 0.A V E R A G E

  • 99.6 99.8* average of priority parameters (all except dew point and precipitation)

Joint Recovery of Speed, Direction and Stability ThisLevel ValidhrsLower 740Upper 741MonthLost Recoveryhrs %4 99.53 99.6Year to DateValid Lost Recoveryhrs hrs %2179 5 99.82181 3 99.9Data Recovery Scores SummaryMarchYear to DateBraidwood Nuclear StationAll Exelon Sites012040Mvrmy & 'flrtte4 Ic. 600 Pint Bank Driti, Suite A Minat 60067 (847) 963.9000 4. Summary of Billings for EQuipment Repairs.

Replacement Parts. and OtherWork not Included in Fixed-Cost Maintenance Aoqreement

-March 2012Braidwood Descriotion Meteorological equipment maintenance Meteorological parts, materials

& contractor servicesMeteorological System Storage$$$Cost453.00319.37100.00Total for Month:Year to Date Total:$ 872.37$' 2,781.30.urray& & 4,ttel .m. 600 FhRs B=mk Dnvue Suite A UI=iis 60067 (847) 963.9000 5. Data Analysis (Data Reduction and Processing)

The Microtel was routinely interrogated to obtain hourly average data of wind speed,wind direction, ambient temperature, differential temperature, and dew pointtemperature.

Wind sigma (standard deviation of wind direction) and precipitation datawere also obtained.

Missing Microtel values were replaced with recorder data, whenavailable.

A professional meteorologist then reviewed the data, calibration

findings, maintenance
reports, computerized quality control checks, and other information anddetermined which data were valid. Only valid data were retained in the data base.6. ComDuter Processina Computer programs were run to generate summary tables of the hourly averages ofthe meteorological data as well as other statistics based on the monthly data record.A table of means and extremes of the measurements recorded during the month isincluded in this report. Wind direction shears (variance of wind direction betweenlevels) are also included in the table. Relative humidity was calculated using ambientand dew point temperature measurements.
7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and willbe included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well asthe joint frequencies of occurrence of the wind direction, wind speed, and stability classes.Murray & Trettel, Inc. 600 Fm B=k Drve, Site A Palaan, lne ,is 60067 (847)963.9000 Braidwood Generating Station March2012Niss ValidMean Max Min Hrs HrsParameter 3Re54.3 84.6 21.040.7 63.9 8.161.4 100.0 26.79.3 29.2 Calm15.6 42.8 3.0-0.5 5.6 -2.3-1.2 36.0 -111. 03 7413 7413 74134Ft W203Ft -W33741741199Ft -.ýy203 -34 FT Dire3 74111 73334Ft Sigma Theta (deg)203Ft Sigma Theta (deg)3 FT Precipitation INMonthly Total ....Max 24 Hour TotalMax 1 Hour Total .16.3 48.0 6.010.2 49.0 1.0437407411 7431.310.310.18There were 744 hours0.00861 days <br />0.207 hours <br />0.00123 weeks <br />2.83092e-4 months <br /> in MarchTable prepared on 5/ 1/2012 at 10:25 Braidwood StationDifferential Temperature Distribution (degC/100m) 3/2012199-30 ft-7.5-7.0-6.5-6.0-5.5-5.0-4.5-4.0-3.5-3.0-2.5-2.0-1.5-1.0-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.5GEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEGEDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTDTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLTLT-7.5-7.0-6.5-6.0 *o-5.5-5.0--4.5-4.0-3.5-3.0-2.5-2.0-1.5-1.0-0.5Q.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.5000000000003090117185138802532151034432201000NRC Stability ClassesUnstableNeutralStableTOTAL NO. HOURS143309289741TABLE PRODUCED 05/01/12 10:26:11 Exelon Contract Number 455465E27/10R-28Bmidwood SiteRoutine Site Visitation LogDate: 3 -1I4 z.-Begin: 2 7c.6 CSTEnd: 11:3J 0 CSTOperation of digital recorder 0 OKMicrotel light blinking 03 YES00Heater System Operational (Oct-Apr)

J; YES E0_Air Cond. System Operational (May-Sep)

[3 YES P MDigital Recorder Readings (Taken at O0'141 CST)SPEED DIRECTION TEMP30ft. (D- b -°F34 ft.I Qg f.ý'I _mph 14*5I .2 mph DýAT-01 aFDP5'17 -61"F:o Speed and Direction values agree with visual indications?

0 Yes 03 UTD 0r-BRain gauge check made at b 3<' CS" 1 No rain gauge check made due to precipitation Tips Poured ._ __ Tips Recorded

._ _'sychrometer Measurement Readings (Taken at C 0o) CST)Dry bulb: ( I F Wet bulb: ___, F Dew Point (calculated):

5(4P -F"ower Lights O.OK 0 UTD 0 _-.,OMMENTS:

Technician:

I AM-:. H-lb-J,MuMwa &f Trel, Inc.

  • 600 Ftm Bmk Drive, Ssdr, A. Pnad/ne/

irwis .60067 2 (847) 963.-9000 Exelon Contract Number 455465Braidwood Meteorological Calibration Date: 3Iq-2_E47/10R-28Page 1 of 7POWER SUPPLIES+15.OOOV+/-t 0.150VA:+15. 07 1VB: + 1%4l. q(ot V-1 5.OOOV 10 O1560VA:5~IZ VB:- QM VSignal Conditioners I Digital Recorder.

Sional Conditioner Voltage OutDiaital recorderSpecifications AF ALPRCPLO ,OOD VPRCPHI !L-,1 VV-VAL EQUIV AF AL3 ft.O .8 " ..b " " "I.oc,' /0 ii -- 6WS ZERO ,aJtLV*"SPAN vZERO VWD SPAN VT LO ,+/-/>VT HI 51- OýVTHI-LO L'9259VDPLO..i/b VDPHI I, _qvDP HI-LO -t-, 9o V34 ft .VO2-6 mph O0Z -mph -=-mph(,0-J v '2- a-mph 'iq,'i mph -= mphV /.4 ,- a a___v "-2jo * -aV" V -.2 1 .G 7 -- "- 2 ) .0 ' o"-A3 -2.-22 -a-vV4tt&,

° 7.G,{a * -- o"" V lZ(,..3 ° /i 400o -" °v- vSignal CoTnd.0.000v

  • 0.050v5.0OOV +/- 0.050V0.015V +/- 0.025V5.OOOV
  • 0.025V0.0O0V +/- 0.1 00V5.00OV +/- 0.1IOOV5.OOOV +/- 0.050V5.OOOV
  • 0.050V0.015V
  • 0.025V5.OOOV +/- 0.025V0.OOOV* 0.IOOV5.0O0V +/- 0.I1OOV5.OOOV
  • 0.200VAL EQUIV +/- 0.01"AL EQUIV 0.01"AL EQUIV+/- 0.1mphAL EQUIV +/- 0.1mphAL EQUIV +/- 10AL EQUIV + 1°AL EQUIV +/-0.1OFAL EQUIV +/- 0.1OFAL EQUIV +/- 0.1°FAL EQUIV +/- 0.1°F203 ft.WSZERO,.

015 V -V -P.. 3.mph 0,3 mph -= mphWS SPAN _$, (,- V -L V Zb6. c) mph 99,* mph -.mphWDZERO, 017 V -V/I, a 7. 0 -WDSPAN 5 .01 V -V S542./ 0 _____ °ATLO 7 0(7 V -V-ae a -/6,34) ° 0ATHI t'-j V -V I),g a 9.80 o --AT HI -LO S 07-t V -VAL EQUIV + 0.1mphAL EQUIV +/- 0.1mphAL EQUIV+/- 11AL EQUIV + 10AL EQUIV +/- 0.1°FAL EQUIV +/- 0.1"FTveuA 1nc.

  • 600 Fint Bank Duv, SuiteA
  • Palade, NiRnis .60067 it (847) 963.9000 Exelon Contract Number 455465E57110Braidwood Meteorological Calibration R-28Page 2 of 7Date: 3TOWER MEASUREMENTS Ambient 0] Ice BathTemperatures 30 ft. Amb,. 199 ft. ATAF AL AF ALMeasured 71, OF -F -Z7 OOF OFRecorded

-?0.7e OF _- "F -IJ,°5F " OFDifference

, 21 -F O F -'I D F -- OFSpecification 0.5F *0.18OFWinds30 ft. dew pointAF AL

'- °F.°7-7 F °F*2.7oFWS stallForw. WDRevr. WDTracking/wear 3 4 ft,AF AL-O_3 mph 0mph0A<.203 ft.AF ALO.L2 mph 03 _mphX3 3& %5'155 *Specificaton 0.3mph

  • 0.45mph30/3630
  • 50183 +/- 5Comments:

3q105~~~~~~~

Jt11hUC 1v 't9 E:j~lti~

wZL rb; .&Q-7Oa~4 Q .^ot).eiM',

0 1,7~3Mw,'a & Tutsel, Inct -600 AMt Bank Ddv4 Sidta A -Paltzina IO~noab 600673I (847) 963.9000 Exelon Contract Number 455465E67110)n R-28Page 3 of 7Braidwood Meteorological Calibratic Date: 3.-L-t. lZDates of Last Wind Sensor Bearing Replacements:

34 fLW3I(6 ros.) Wind Speed: "I Z- "- 1 *,4(12 mos.) Wind Direction:

4B77 "' " iM-12..

30 It 19,91IAspirators:

." 0/COperation of De-ce Heat Lamp System (Aug-Mar):

b).._Operation of Rain Gauge: A r- Tips Poured -Tips Recorded___

Debris screen: In 609) Installed RemovedUPS Check; O.VTower Lighting Good Fair Poor Tower Condition Good Fair PoorBeacon 03 E0 0] Paint 0 0 0Side lights E0 0:3Wiring E] 0 IDFlasher 0 1 Shelter condition Note: Calibration Instruments:

"* q f.f Next Cal DueAF = As Found Psychrometer

-S/N -A 'AI.u- .,ej 7-AL = As Left Digital multimeter

-S/N -lb "3-AP-eJ

/ 1tV_ Z&i v--=- no change (AF=AL) Digital4wtImeter

-S/N -41r o2-Vo Oer' -FS = Full Scalerechniclans:

A 141kr Mop ,Y-Comments:

Signature:

__MwM, r Tr¢etzc, Inc. 600 Fiat Bank Drve, Sadz ,A .Pakndne Illnois .60067 2 (847) 963.9000 Exelon Contract Number 455465ET7/10R-28Page 4 of 7System Response CheckSite: Braidwood System: MicrotelLow sChek 34! WS 203' WS 34' WD 203' WD 30' T 199' AT 30' DPChpeckeExpected 10.0 -0.4 10.0 *0.4 54+/-2 54 t2 -7.50 *0.5 -8.00 -0.18 -7.60 +/-0.5ResponseAs FoundResponse qq9.59- .*o_ _ _As Left ..... -ResponseMid Scale 34' WS 203' WS 34' WD 203' WD 30' T 199' AT 30' DPEheckteExpected 50.0 +0.4 50.0 +/-0.4 270:2 270+/-2 50.00 +/-0.5 0.00 +/-0.15 50.00 *0.5ResponseAs Found qqqRsponse __ _ __ _ _ q~O.AsLeft -.. --Response

.... .Full Scale 34' WS .203' WS 34' WD 203' WD 30' T 199' AT 30' DPCheck ________l__

REpeoned 90.0+/-0-.4 488+/-12. 488+/-12 8.00:1:0.18 107.60+/-30.5 ResponseAs Found gq aResponse

/07_ 7.As Left -----Response

_ _ _Date:Murray & Tmeir, I=. -600 FiR Bank Dnrit Sui A. Palatne, iuis -.60067 W (847) 963-9000 Exelon Contract Number 455465E87110R-28Page 5 of 7System Response CheckDate- S -I q / -.7Site: Braidwood System: Process Computer-English UnitsLowScale Y4011 Y4012 Y4013 Y4014 Y4015 Y4016 Y4017 Y4019Check 34' WS 34' WD 203' WS 203' WD 30' T 199' AT 30' DP Precipitation Expected 10.0 +0.4 54t2 10.0 +/-0.4 54*2 -7.60 +/-0.5 -8.00,0.18

-7.60+/-0.5 0.10+/-0.01 Response

....As FoundResponse

_ _ _ 55., C --.,.S" -1.98 -7./, 64,1As Left -.. -. .-ResponseMid Scale Y4011 Y4012 Y4013 Y4014 Y4016 Y4016 Y4017 Y4019Chec 34' WS 34' WD 203' WS 203' WD 30' T 199' AT 30' DP Precipitation Expected 50.0+/-0.4 270*2 50.0 0.4 270+/-2 50.0 +/-0.5 0.00+/-0.18 50.0 ,0.5 0.50 +/-0.01Response

..As FoundResponse 70 -. a <i4 tq.7o 7 o.o0 PL._o __As Left --, -ResponseFull Scale Y4011 Y4012 Y4013 Y4014 Y4015 Y4016 Y4017 Y4019Check 34' WS 34' WD 203' WS 203' WD 30' T 199' AT* 30' DP Precipitation Expected 90.0+/-0.4 486 +/-2 90.0+/-0.4 486 +/-2 107.60 +/-0.5 8.00 +/-0.18 107.60 +/-0.5 0.90+/-0.01 Res.p~onse

..Response q.73 /o7.30 79(, -j.c c.9oAs Left- ---- -----ResponseMuvray & T=~4 Inc.- 600 FIrns Bar& Dthw, Swdce A.- Palatine Iflrnoiz

-60067 V(847) 963-9000 Exelon Contract Number 455465Eg7/10R-28System Response Check Page 6 of 7Daw 3-1 L) Site: Braidwood System: Process Computer-Metric UnitsLow Scale Y4000 Y4001 Y4002 Y4003 Y4004 Y4005 Y4006Check 34' WD 34' WS 30' T 199' AT 30' DP 203' WD 203' WSExpected 54 +/-2 4.5 +/-0.2 -22.00 t0.3 -8.50+/-0.1

-22.00 +/-0.3 54 *2 4.5 0.2Response

.......As FoundRespo..s.

-l -q. '4]- z,oT 13 Z 1,9(oL4 -zi ,' , ,-5"As Left -' ----ResponseMid Scale Y4000 Y4001 Y4002 Y4003 Y4004 Y4005 Y4006Check 34' WD 34'WS 30'T 199'AT 30'DP 203'WD) 203'WSExpected 270:+/-2 22.35*0.2 10.00 *0.3 0.00 +/-0.1 10.00 +0.3 270 *2 22.35 +/-0.2ResponseAs FoundResponse 22,5 7 q./ 0.00 /L.o5 :&., --As Left ....-.ResponseFull Scale Y4000 Y4001 Man Y4002 Y4003 Y4004 Y4005 Y4006Mti'/

Check 34'WD 34' WS2(' 'e 30'T 199' AT 30'DP 203'WD 203'WS "S y-I/Response 486 +/-2 AGXP-4Of+/-0.2 42.00 +0.3 8.50+/-0.1 42.00+0.3 488+/-:2 0.2As Found 12-. ____Response

-.OAs Left ....ResponseA&L W-)ý'ýl ý-Muray & Tr=4gJ Inc.- 600 Fiat BwAn Ddiw_ SwatA TLC JM hb -J~ .60067 2(847) 963-9000 Exelon Contract Number 455465E107/10R-28Page 7 of 7System Response CheckDate:_3-i q-IsSite: Braidwood System: Control Room Indicators Low IclChLoe 34' WS 203' WS '.34' WD. 203' WD 34' T 199',&T 30' DPExpected 10 *1.0 10 *1.0 54+/-2 5442 -7.60 .1.0 -8.00 +1.0 -7.6:1.0Resp.onse As FoundResponse 1 b -- 6.As LeftResponseMlid Scal_M Sck 34' WS 203' WS 34' WD 203' WD 34' T 199' LsT 30' DPExpected 50+/-1.0 50 +1.0 270 +/-2 270+/-2 50.00 *1.0 0.00 *1.0 50.0 +1.0Response

_As FoundResponseAs Left , -_ --ResponseFull c 34' WS 203' WS 34' WD 203' WD 34' T 199' tAT 30' DPCheck ....__ _ _ __ _ _ ___ _ __ _ _ExpectedResponse 90 +/-1.0 90 *1.0 486+/-2 486+/-2 107.60+/-1.0 8.00 +/-1.0 107.6:1.0 As Foundq_Response

_____ go___ _____ 108___As Left -* -,Response

.,_ _Mwura & Tr"ttcl Inc. -600 Fiut Bank Driu, Suite A .Palztine.

Ilinis .60067 9 (847) 963-9000 Equipment Maintenance Log-8 In-house work" Field workExelon Contract Number 455465Al7/10R-28IDate(s):

-2,,2Weekday 03 Weekend / HolidayPage _ of iSite:9,wReason for work I/ Nature of Problem:

e " -M , I 9. v I m to .j-.rA5AI %S&T bb 0 (~ &;A hT "IT he A *IT&( IM -6(IS es so&ot fl6tj57 Ne)f-354

!hL bac4~r.on Work Performed

/ Action taken: / jS -A II 4 eA4 ) .I +/- 5, -W K lIt SeAWSOR A1T 002..CpA I SO I t~s7qIII ca Arý j/~eqýs +'1A6-it ~6Po-rof lu. Ve.~~ 17"rsceo

4 &a. Seeor'Unit S/N _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _Work Completed?

f' Yes 03 No Calibrated?

2 Yes 0 No 0 NA*_ Meteorological Date Technician Rea Hours OT Hours E3 Micmtel2.2 a 9, 17.. M T A 0 1: Visibility monitor/fog warning signs03 OtherLabor 3 r otTravel: ml $ tollsMisc:,a 3.-90Muwray &Tretttelnc~

600 Rins Bank Dviv, SwrtA -Pa~aztne fi~nais -60067 9 (847) 963.9000 Equipment Maintenance Logo In-house work,' Field workExelon Contract Number 455465Al7/10R-28jDate(s): -Z VL--2 Weekday0l Weekend /HolidayPage I ofLSite: ?-ý.wReason for work/ Nature of Problem:

TIXh. -; Fr TWO L-xA c if% S C, I Aj OteWork Performed/Action taken: .-fl ACrc VU 3-I 4T WO .5i,\A.Y)A.tT 6\T1% ou S bMeasudng Test Equipment UsedUnit SINWork Completed?

Pf Yes 01 No Calibrated?

R2'Yes E No I NA__ Meteorological Date Technician Rea Hours OT Hours 3 Microtel3-.2 q-.. I I M .M Visibility monitor/fog warning signs_-5 ____ 2- 0Other____ ____ ___ __ _ ___ ____ __ ____ ___ Billable uLabor rag _ tTravel: bQ m, s toissMisc:Mwmy & Trettne Inc. 600 FiRnt Bank Drw, SuiteA. Palatine, Ilinois 60067 2 (847) 963.9000

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