ML20216F243

Rev 1 to Estimation of Spent Fuel Pit Heat-Up Rate Incorporating Actual Plant Data & Thermal Losses

ML20216F243
Person / Time
Site:	Yankee Rowe, Maine Yankee
Issue date:	04/15/1994
From:	DUKE ENGINEERING & SERVICES
To:
Shared Package
ML20216F193	List: ML20216F189 ML20216F196 ML20216F222 ML20216F234 ML20216F243
References
YRC-991, YRC-991-R01, NUDOCS 9909210222
Download: ML20216F243 (97)

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i YRC 991 Page.1 of as Pages G IMSNO.M02.0k05 RECORDTYPE09.C16.b04 W.O./P.O. NO. 3790 YANKEE ATOMIC ELECTRIC COMPANY ' ANALYSIS / CALCULATION FOR TITLE ESTIMATION OF SPENT.. FUEL. PIT HEAT-UP RATE INCORPORATING ACTUAL PLANT DATA AND THERMAL LOSSES PLANP YANKEE ROWE CYCLE CALCULATION NUMBER YRC-991 i

O PREPARED BY./ REVIEWED pY / APPROVED BY /

DATS D_ ATE ,J . DATE\-

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KEYMORDS SPENT FUEL PIT. LOSS OP COOLTNG. DATA ANALYSIS se r.D f . s 'y s. ) 2 Q . :l 9909210222 990826 - 7.? ~ ;O ' ' r l' REVGP ERGNUMRC. .J.:4, y ...e.:. . , . . .

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YRC 991 Page.1 of St Pagen IMSNO.M02.Oik05 RECORDTYPE09.C16.b04 W.O./P.O. NO. 3790 YANKEE ATOMIC ELECTRIC COMPANY ' ANALYSIS / CALCULATION FOR TITLE ESTIMATION OF SPENT FUEL PIT HEAT-UP RATE INCORPORATING ACTUAL PLANT DATA AND THERMAL LOSSES PLANT YANKEE ROWE CYCLE CALCULATION NUMBER YRC-991 O

PREPARED BY / REVIEWED pY / APPROVED BY /

DATS DATE J , DATEg-ORIGINAL [d! g[/h II (M M (t)6b4 Y3/'W REVISION 1 bM[N //k,k/ -

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REVISION 3 KEYWORDS SPENT FUEL PIT. LOSS OF COOLING. DATA ANALYSIS i

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Estimation of SFP Heat Up Rate incorporating Adual Plant Data & Therme! Losses YRC491. Rev.1 g e- ., a Revi .,

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Estimation of SFP Heat Up Rate incorporatin0 Adual Plant Data & Thermal Lasses

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YMC 991. Rev.1 1993 Prepared Bf N Reviewed By January 14,3 Pa0s 2.0 Table of Dontente m 3.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.1 Analysis Ot$ecthe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.2 intended solution Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.0 Detals of Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 4.1 Assurmtions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.2 Calculation / Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 I 4.2.1 Assumed SFP Water Volume and Mass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 l l

4.2.2 Comparison of Measured and Calculated Evaporation Rates . . . . . . . . . . . . . . . 11 4.2.3 Estimation of Decay Heat L.evel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 4.2.4 Comparison of Predided and Actual Decay Heat Levois . . . . . . . . . . . . . . . . . . 68 5.0 Results/ Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 6.0 Refereces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 7.0 Attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 7.1 Reviewer's Comments and Resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 7.2 Cornputer Code Use Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. - 63 7.3 Copies of Selected References . . . . . . . . . . . . . . . . . . . . .. .................... 64 7.3.1 SFP Heatup and @&i Rate Test Procedure (OP-4293)~ . . . . . . . . . . . . . . 64 7.3.2 SFP Test Data Transmittal Memo (RE 92 43) . . . . . . . . . . . . . . . . . . . . . . . . . . 72

. 7.3.3 SFP Heatup and Evaporation Rate Test Data Sheet (OPF-4?93.8) . . . . . . . . . . . 97 G

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I I l Estimation of SFP Heat Up Rate locorporating Actual Plant Data & Thermallosses YRC 991. Rev.1 January 14, 903 PreparsaBy 4 Reviewed By Page 2.1 List of Floures Eggt Floure 1 Water Property Table Used for AN Spreadsheet Irterpolations . . . . . . . . . . . . . . . . . . . 10 Floure 2 Measured w. Caloulated Eveporation' Rates - Spreadsheet EVAP.WK1 . . . . . . . . . . . . 13 Floure 3 SFP Level vs. Time (Test 1 at 135 Y) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2t>

Floure 4 SFP Level vs. Time (Test 2 at 130 T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Floure 5 SFP Level vs. Time (Test 3 at 120 T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 6 8FP Level vs. Time (Test 4 at 110 Y) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 7 SFP Level vs. Time (Test 5 at 100 Y) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 8 Measured Evaporation Rates vs. Temperature (aN tests) . . . . . . . . . . . . . . . . . . . . . . . 31 Floure 9 . Calculated Evaporation Rates vs. Temperature (au tests) . . . . . . . . . . . . . . . . . . . . . . . 32 Flours 10 Cormatison of Measured and Calculated Evaporation Rates . . . . . . . . . . . . . . . . . . 33 i

F10ure 11 Evaporation Rates with Suspect Data Removed Spreadsheet EVAPCHK.WK1 . . . . . 36 Figure 12 Corrected 8FP Level vs. Time (Test 1 at 135 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 F10ure 13 Corrected Measured Evaporation Rates vs. Temperature (at tests) . . . . . . . . . . . . . . . 38 Figure 14 - Corrected Calculated Eysporation Rates vs. Temperature (ag tests) . . . . . . . . . . . . . . 30 Figure 15 Cormertson of Corrected Ev.sei4ien Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Flours 16 SFP Heatup Termerature Conectione Spreadsheet HEATUP.WK1. . . . . . . . . . . . . 42 l

i Figure 17 Estimation of Decay Heat Spreadsheet HEATUP2.WK1. . . . . . . . . . . . . . . . . .. . . . . 43 j 51 {

Figure 18 Typical Measured SFP Hestup Rate (TC 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 19 SFP Heatup Rate vs. Tergerature (au TC's,84 100 T) . .'. . . . . . . . . . . . . . . . . . . 52 57 Figure 20 Corfected SFP Healup Rate vs. Toniperalute (aN TC's,84 100 T) . . . . . . . . . . . i. .

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Esumation of SFP Heat-Up Rate incorporating Actual Plant Data & Thermal L.osses YRC 991, Rev.1 3 Prepared By A. Reviewed By a0e

3.0 Introdu

tion i YRC-991. Rev. 0 (Ref.1), estimated the actual decay heat power in the Yankee Rowe Spent Fuel Pit (SFP) based on the heatup rate observed durin0 testing between Aprg 7* and 11",1992. Durin0 this test, SFP 000000 was secured and the SFP was anowed to heat up from approximately 80 V to 140 Y under the influence of decay heat. YRC 991. Rev. O, used the obsuved heatup rate to estimate the decay heat level at the time, accounting for thermallosses from evaporation, conduction, and convection. The decay heat level estimated in YRC 991, Rev. O, was 1.2 x 10' BTU /hr. The estimated decay heat was then used to determine the time required to reach 150 Y and 180 T, assuming a loss of SFP cootn0 A second SFP heatup test was performed between July 30" and August 4*,1992, to investigate the decrease in decay heat. The test was performed using procedure OP 4293 (Ref. 2). This test was identical to the first, with SFP cootn0 sexted while the SFP heated up from approximately 80 Y lo 140 ,

T. The SFP water temperature at t number of locations was recorded vs. time, as wel as the SFP l ambient temperature and relative h,midity, j Another series of tests were performed between August 4* and 18*,1992, fotowin0 the SFP heatup test.

l These tests investl0 ated the SFP evaporation rate and were also conduded us'90 OP 4293. SFP

' temperature was held appioximately constant at five drferent temperatures (135 T.130 Y,120 T,110  ;

Y and 100 Y) whis the SFP water level, SFP water temperature, SFP an1 blent temperature, outside temperehre, SFP relative humidly, and outside relative humidity were reconded vs. time.

. 3.1 Analveis Obloctive The objective ci this calculation is to evaluate the data from the SFP testing performed between July 30" and August 18*,1992, and use the test data to:

1. Determine the observed evaporation rates and cormare these to the rates predided using the calculational method in YRC491, Rev. 0, to va5date the caloutation ci evaporation rate and evaporanve losses,

2. Esumate the decay heat level at the time of tesung, accounung for thermal losses, and

3. Conpare the reauting deosy heat levol to the future decay heat levels predicted in YRC491, Rev. 0,

. to vandais the previously assumed decrease in decay heat over time.

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.me-on -od The majorky of the test data redudion and calculations wiu t>s accomplished using 1.otus 12 3 (Releaso 2.2) spreadsheets.

1 Prior to estimating the decay heat level from the new test data, the evaporation rates observed durin0 the evaporation tests wiu be compared to the evaporation rates calculated usin0 the evaporation equation from

, RC 991 Rev. 0 (equation 18 from Append!x A). This wiu be done to validate the enhMan of, Y

I evaporation losses. The measured evaporation rate at each of the 5 test temperatures (135,'130,120.

110, and 100 T) wiu be determined from the measured level change (corrected for changes in SFP water temperature) vs. time. The measured evaporation rates wid then be compared to the calculated rates over the entire temperature range.

The SFP heatup test data wlO be evaluated and the decay heat level wi8 be estimated following the same methods used in YRC 991. Rev. 0 (Ref.1). The steps involved in the process are:

1 Determine the measured heatup rates from the test data using the obsesved temperatur6 changes vs.

time.

2. Determirn the average heatup rate from the test data between 84 and 100 T.

- 3. Determine the thermallosses vs. temperature from evaporation, conduction, and convection. l

4. Determine the overal heatup rate from the avera0e observed rate correded 'for thermal losses.

Increase the oversu heatup rate for 10% uncertainty and 99% confidence interval.

5. Usin0 the coneded heatup rate, determine the decay heat level. l The estimated decay heat level during the test period wil be compared to the decay heat estimated fmm YRC+91, Rev. 0, for the time of the second SFP heatup test.

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Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal Losses YRC-991. Rev.1 January 141993 Prepared By E Reviewed By Pa0e 4,0 Detaffe of Ansivels The following sections provide the details of the analyses. Copies of all spreadsheets used are included and fully explained in the following text.

4.1 Assumptione The following assurnptions are used in this calculation:

1. The avera0e SFP water ternperature for aN calculations is determined from the avera0e of the 11 thermocouples under the water (from Table 4 of Memo RE 92 43, Ref. 3). SFP water terrporatures between times when data is directly avaNable are interpolated (i.e. the SFP avera0e temperature vs.

time is assumed to vary unearty between data points).

2. The average SFP air ternperature for aN calculations is taken from TC 15, which monhored the ambient temperature in the SFP building (from Table 4 of Memo RE 92 43, Ref. 3). SFP air terrporatures y between times when data is directly available are interpolated (i.e., the SFP air temperature is assumed to vary Enearly between data points).

3. The outside air temperature foret iikk conduction i losses dudng the 8FP healup test is assumed to vary Enearly between data points. The outside ternperature for times where data was not droctly available were determined by interpolation of the avalable data.

4. The atmosphede pressure for aR evaporation rate calculations is assumed to be 14.21 psia (26.93 in HO). This conosponds to the average atmospheric pressure at the plant detennined in YRC 966.

5. The wind speed inside the SFP buildin0 is assumed to be zero for al evaporation rate calculations.

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Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal Losses YRC-991 Rev.1 January 14,1993 Prepared By Y Reviewed By Page Y u ceicvietion/Anetvels The foliowing sections correspond to the three areas to be investloated in this analysis, comparison of the observed and calculated evaporation rates, estimation of the decay heat level durin0 the second SFP heatup test, and comparison of the estimated decay heat Mrtng the second test to the decay heat predicted from the previous test. A sectiori discussin0 the SFP water volume and mass'used Iri the calculation is also provided. I l

4.2.1 Assumed SFP Water Volume and Mass The SFP water volume and mass assumed in the subsequent sections of this calculation wW be discussed here. The water mass has 'a direct impact on the decay heat level determined from the observed heatup rate, which is calculated using:

Cm = rn c, Af  :-

As can be seen from the above equation, as the assumed water mass increases for a given heatup rate, i the estimated decay heat also increases. In determining the actual decay heat level, a larger water mass  !

Is, therefore, conservative. However, in YRC 991. Rev. 0, an observed decay heat level was determined frorn the measured SFP heatup rates and an assumed SFP water mass. This observed decay heat level was then used to determine the minimum time to heat up to 150 T and 180 T totowin0 a loss of SFP coolin0. Since the heatup times were calculated usin0 the observed decay heat level, in corjundion with the same SFP water mass assumed in determining the observed decay heat, the assumed water mass wE have no impact on the calculated heatup times.

YRC 991 Rev. O, used a SFP water mass of 1,213,000 Exn. (Pg. 8,80 Y with water level at -12 inches),

assuming that ad of the mass below the water surface is water. As incRested above, the assumed mass wig have no Irgact on the enhdaHM of heatup times, as lon0 as the same mess used to determine the observed decay heat is used in the heatup anw eaw %. Aino, as indicated in YRC-e91, Rev. 0 (paGe s), accountin0 tot the structurai coniponents below the water level would s00htly decrease the actual decay heat deternened from a Olven Iwatup rate, since the volumetric heat capacity of the structural coniponents is less than thetist water.

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Estimation of SFP Heat Up Rate incorporatino Adual Plant Data & Thermal Losses .YRC 991 Rev.1 January 14.J993 Prepared Dy N Reviewed By Page 4, wl# be the same as that assumed in YRC 991, Rev. 0 (1,213,000 lbm at 80 T, with the level at .12 inches).

AN of the calculations are based on the water volume with level at 0 inches. This volume is then corroded for the adual level, and is converted to mass by dMdin0 the correded volume by the spectic volume at tne water temperature. Fmm page 16 of YRC 966:

SFP 1.ength = 33.6667 ft SFP Width = 16.50 ft Thus, the surface area at the top of the SFP is:

SFP Surface Area - (16.5 6667M = 46.2917 = 555.5ft' JE The SFP water volume at 0 inches is then:

SpecNic Volume (at 60 T) = 0.016072 ft'/bm i

Volume at 0 inches - (1,213,000 lbm)(0.016072 ft'/btn) + (12 in)(46.2917 ft'/in) = 20,050A ft' in the spreadsheet calculallons in subsequent seclions, the spectic volumes and other water properties are determined by interpolating from a table of water properties vs. temperature, The water property table contained in the spreadsheets is shown in Figure 1 on page 10. The data for this table were taken from the ASME saturated steam tables, except for the specNic heat values, which were taken imm the ASME apectic heat table for a pressure of 14 pela. The formula to determine the water properties at a Olven SFP temperature is a standard Encer interpolation equaten and uses spreadsheet lable lookup tunctions to find each value in the equation.

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FIGURE 1 yater Procerty Table Used for All Spreadsheet' fnteroolations (14 psia)

Temp P-sat H-fg v-f c-p 50.00 0.17796 1065.30 0.01602 1.00150 52.00 0.19165 1064.20 0.01602 1.00120 54.00 0.20625 1063.10 0.01603 1.00090 56.99 0.22183 1061.90 0.01603 1.00060 48.00 0.23843 1060.00 0.01603 1.00030 40.40 0.25611 1059.70 0.01603 1.00000 ,

62.00 0.27494 1058.50 0.01604 0.99970 {

64.00 0.29497 1057.40 0.01604 0.99940 66.00 0.31626 1056.30 0.01604 0.99910 68.00 0.33889 1055.20 0.01605 0.99880 1 70.00 0.36292 1054.00 0.01605 0.99850 l 72.00 0.38844 1052.90 0.01605 0.99840 l 74.00 0.41550 1051.80 0.01606 0.99830 1 76.00 0.44420 1050.70 0.01606 0.99820 l 78.00 0.47461 1049.50 0.01607 0.99810 l 80.00 0.50683 1045.40 0.01607 0.99800 82.00 0.54093 1047.30 0.01608 0.99600 84.00 ~0.57702 1046.10 0.01608 0.99800 86.00 0.61518 1045.00 0.01609 0.99800 48.00 0.65551 1043.90 0.01609 0.99800 9 90.00 0.69813 1042.70 0.01610 0.99800 92.00 0.74313 1041.60 0.01611 0.99800 94.00 0.79062 1040.50 0.01611 0.99800 96.00 0.84072 -1039.30 0.01612 0.99800 98.00 0.89356 1038.20 0.01612 0.99800

'00.00 0.94924 1037.10 0.01613 0.99800 102.00 1.00789 1035.90 0.01614 0.99810 )

104.00. 1.06965 1034.80 0.01614 0.99820 106.00 1.13470 1033.60 0.01615 0.99830.

108.00 1.20300 1032.50 0.01616 0.99840 110.00 1.27500 1031.40 0.01617 0.99850 112.00 1.35050 1030.20 0.01617 0.99860 ,

114.00 1.42990 1029.10 0.01618 0.99870 -

116.00 1.51330 1027.90 0.01619 0.99380

• 118.00 1.60090 1026.80 0.01620 0.99090

• 120.00 1.69270 1025.60 0.01620 0.99900 122.00 1.78910 1024.50 0.01621 0.99900 '

124.00 1.89010 1023.30 0.01622 0.99900' ,

-225.00 "1.99590 1022.20 0.01623 0.99900 '

128.00 2.10600 1021.00 0.01624 '0.99900 *

.130.00 2.22300 1019.80 0.01625 0.99900 132.00 2.34450 1018.70 0.01626 0.99910

• 134.00 2.47170 1017.50 0.01627 0.99920 136.00 2.60470 1016.40 0.01627 0.99930 138.00 2.74380 1015.20 0.01628 0.99940 140.00 2.88920 1014.00 0.01629 0.99950

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Estimation W SFP Heat Up Rate incorporating Actual Plant Data & Thermal 1.osses YRC 991, Rev. I l Prepared By W Reviewed By. January 1993 Page 14,I f

4.2.2 Comoarison of Measured and Calculated Evenoration Retes During testin0 between August 4* and 18*,1992, SFP level vs. time data was Oathered at five different SFP temperatures (at approximately 13'5,130,1/0,110, and 100 'F). This data will be evaluated to determine the measured evapotstion rates vs. SFP temperature. The measured evaporation rates will then be compared lo the rates calculated using equation 18 from Appendix A of YRC 991. Rev. 0. The objective is to determine the validlly of the evaporation rate calculational method.

The data for all 5 evaporation rate tests was evaluated in Lotus spreadsheet EVAP.WK1. A copy of the spreadsheet results is included as Figure 2, startino on page 13. The spreadsheet contains a set of 4' tables for each of the 5 evaporation tests. The first 2 columns of each table Olves the date and elapsed time from the beginning of each test. The start and end times of each test are shown below (taken from Table 2 of Ref. 3).

Test Number Test Temperature ('F) Test Start Test End 1 135 8/4/92,11:30 8/5/92, 08:00 2 130 8/6/92, 00:01 8/8/92, 00 'O 3 120 8/8/92,18:15 8/10/92,18:05 4 110 8/11/92, 08:05 8/13/92, 05:45 5 100 8/18/92, 07:30 8/18/92,07:30 The first table W each of the five sets contains the SFP water temperature readin0s for the 11 underwater thermocouples durin0 the lost period. The last 3 columns in the first table pmvide the maximum, minimum, and average SFP water temperature for each' data point.

The second table of each W the five sets contains the ambient temperature readin0s inside the SFP bundino during the test period. These temperatures include 3 thermocouples suspended 1 foot above the SFP water surface and another thermocouple monitoring the room ienperature. The minimum, maximum,

. and aversos of the ambient temperatures are also pmvided for each data point.

8: *

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Estirnation of SFP Heat Up Rate locorporating Actual Plant Data & Thermal L.osses YRC-091, Rev.1 January 14. 993 Prepared By Y Reviewed By Pa0e L The third table of each of the five seis contains the calculated evaporation rate at each time forwhich SFP

. level and inside humidity data is available from Table 2 of Ref. 3. The evaporation rates are determined using equation 18 in YRC 991, Rev. O. Appendix A:

Euaporunon Rafe = 0.771 ( 1.465 - 0.0186 P,.,){ O.44 +0.118 W)( VP - VP,,,)

Where. Evaporation Rate is in units of Inches / day P,,, = Atmospheric Pressure (inches Hg)

W = Wind Velocity (MPH) =.0 for this calculation VP, = Water Vapor Pressure at SFP Water Temperature (inches HO)

VP ,. = Water Vapor Pressure at SFP Air Ternperature and Humidity (inches Hg) l VP_ = VP Re& HM '

r

_ s Where, VPw = Water Vapor Pressure at SFP Air Temperature (Inches Hg)

Column 3 of the thini table Nsts the SFP inside humidity taken from Table 2 of Ref. 3. Column 4 gives the avera0e SFP water temperature interpolated from the first table. Column 5 gives the SFP sir temperature Interpolated from the TC 16 (room temperature) readin0s in the spcond table. Column 6 assumes a constant atmospheric pressure of 28.93 inches Hg (14.21 pela). This represents an average atmospheric pressure at the plant and was taken from pa0e 58 of YRC 986.

Columns 7 and 8 of the third table represent the variables VP,, and VP,,,in the above equations. Both vehes are Interpolated from the water properties table discussed in section 4.2.1 (shown in Figure 1 on pe0e 10), using the SFP avera0e water temporalutea' nd the SFP sir temperature, respecovely. Cobmn 9 provides the water vapor pressure at the SFP ulr temperature, corrected for the SFP reladve humidky as shown in th2 above equation. L.astly, column 10 glws the evaporation rate calculated using the above equation (equation 18 fem Appendix A of YRC491, Rev. 0). Note that the wind speed is assumed to be aero for the evaporation rate calculation.

The fourth table of each of the five sets centains the evaporation rates determined imm the SFP level vs.

time data. Column 3 Ests the SFP level measurements taken from Table 2 of Ref. 3 (the negative levels .

. sl0/

nt level below the top of the SFP), and column 4 repeats the average SFP water temperatures from the thinf table. The Alth ochmn repeats the atmospherlo pressure from the fourth table,

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Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal Losses YRC 991, Rev.1 January 14,1993 PreparedBy W Reviewed By Pa0e IT

/

FIGURE 2 Measured vs. Calculated Evaooration Rates - Soreadsheet EVAP.WK1 Test 1 - Spent ruel Pool Temrature at 13 5 *r Opent ruel Pit Evaporetton - art Water Temperature (ri Clepeed Date meurs 15-2 TC-3 TC-S TC-6 TC-? TC-9 TC-10 TC-11 TC-12 TC-13 TC-14 Maalaus Aversee Maatsum 4/4/92 -0.90 133.6 132.7 133.9 ~ 133.9 133.9 133.4 133.6 133.0 133.6 0.65 134 134.2 134.5 134.4 134.0 134.4 133.4 133.001 134.0 134.2 133.9 134 134.3 134 13S.2 134.9 133.9 134.327 13S.2 2.29 134.2 134.4 134.9 134.0 135 134.4 134.4 134.1 3.9 134.S 134.1 135 133 135 135.9 135.6 134.2 134.043 135.9 135 134.6 134.4 135 134.0 136 333.5 134.S 134.912 136 S.54 1 34.4 134.6 125.1 135.1 135.1 134.6 134.0 131.2 134.9 136.2 7.19 134.5 134.? SJS.1 13$.1 135.0 134.4 135.012 136.2 13S.1 134.6 834.0 133.3 135 136.4 135.9 134.S 135.834 136.4 0.02 134.4 1 34.6 135 135.1 136 134.4 1 34.? 135.1 10.45 834.2 134.6 133 135 136.3 139.9 134.4 135.063 136.3 13S 134.9 134.5 134.0 139.3 135.1 136.5 134.1 134.2 135.001 136.5 0/S/92 12.15 13.79 1 34 .3 134.5 154.9 134.9 134.9 134.5 134.6 135.2 134.9 134.3 135.9 134.3 134.901 136.3 134 134.3 134.0 134.0 134.7 134.4 134.6 139.1 134.0 836.2 135.0 19.42 134.1 134.3 134.1 134.7 134.7 134.3 134 134.043 134.2

!? 12 134.5 135 134.1 1 34 135.1 134.1 134.190 134 833.9 134.1 1 34.1 134.7 134.1 134.3 134.5 114.9 134.0 134.2 135.7 10.78 134 134.2 134.6 134.7 134.4 134.3 133.9 134.??2 136.3 134.5 134.9 134.1 136 138.6 134 1 J4.734 134 spent fuel Fit Eveporetten - trP Air Toeperature (r) Aversee Water Temp - 134.011 Elapsed 1.-- Above Water --I Air Date Neurs TC-1 TC-4 TC-4 TC-1S Miniaun AveraSe Maalaus 8/4/92 -0.90 97.5 98.3 92.4 09.9 09.9 94.525 98.3 0.46 98.4 09.8 94 92.2 92.2 94.8 $9.0 2.29 101 102 02.S 92.1 02.5 94.4 102 3.9 98.3 100.8 93.0 91.6 91.6 94.05 100.3 S.54 99.3 99.2 92.3 92.9 92.3 93.92S 99.3 7.19 90.6 98.1 09.7 90.7 09.7 94.27S 90.6 0.02 90.2 97 08.0 09.3 08.0 93.325 90.2 10.49 97 93.0 08.9 te.S St.S 92.03 97 12.15 95 93.3 06.6 40 06.6 91.225 95.3 8/8/92 13.19 94.1 91.7 01 07.2 07 90.15 94.7 15.42 94.4 92.5 07.1 87 01 90.4 94.4 11.12 95.3 91.9 O7 86.6 06.6 90.2 9 S.3 10.15 94.4 92.3 44.4 86.9 06.4 90 94.4 ,

Speat fuel Fit Evaporation - Compartece of Actus14 Calcolated Evaporatlee Setes (41 Elapsed Iselde Water (rl (r) (la nel (in Nel (la Nel 0FF Air vapor Cateelated Dete Neurs ihmaldity Temp Air Ata Vapr Freae at vapor press at Press - Numidity Evaporettee feap Press SrF Weter Temp trP Air Temp Corrested Aete 4/4/92 0 92 134.18 91.20 20.9316 S.0521 1.4000 1.3616 6 05 138.09 1.1606 92.20 20.9316' S.1000 1.6270 1.2900 1.2206 12.42 04 134.94 07.07 20.9316 .S.1624 1.3293 1.1166 0/8/92

• 10.5 94 134.74 1.3721 06.05 20.9316 S.1326 1.2074 1.0014 1.2730 Averste. 1.2310 (tal (ftal . (tal Elapsed tri (petal (ft3/1bl art (tal Invet (tal Sete moura arr Water 34,e1 Ata Water sp Weter level corrected from Caloulated temp Press Volume Vetune for Teap Cheste metreastem f.evel 0/6/92 0 -12.625 134.15 14.2100 0.01627 19464.4 -12.628 -12.4S4 -12.62S 6 -13.643 135.09 14.3100 0.01621 19471.4 -t2.953 -13.059 -tv.923 8/8/02 12.43 -13.900 134.96 14.2100 0.01637 19470.7 -13.406 -13.701 -13.sS4 se.S ,14.625 134.16 14.2:00 0.04427 19449.s -13.919

. -14.SS6 .14.320 .

Messered svaperetten mate - 2.4201 laen/ day Celestated Evaporatica mete - 1.2301 inch / der

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Estimation of SFP Heat-Up Rate locorporatin0 Actual Pfart Data & Thermal Losses YRC 991 Rev.1 January 14,1993 Prepared By " TIS Reviewed By Pa0e N FIGURE 2 (continued)

Measured vs. Calculated Evaporation Rates - Screadsheet EVAP.lfK1 23gt 2 - Soent F'uel Pool Temperature at L 3 0 'f' epeat reel rit sveperettes = sr0 water Temperature irl tiepeed Date Nevre TC-3 TC-3 TC-S. TC-6 TC-1 TC-9 TC-10 TC-11 TC-St TC-13 1C-14 Minimum Average sanalmus 0/S/93 -1.3S 134.3 124.6 til.1 til.2 125.S 124.1 121 125.8 125.3 126.6 134.2 134.3 138.343 136.4 8/6/92 8. M 184.4 184.1 183.1 188.3 136.3 134.9 138.1 128.4 129.4 126.1 186.4 124.4 125. 3 M 186.1 2.02 134.6 124.9 128.4 12S.S til.S IIS 128.4 129.0 12$.1 127 136.7 124.6 128.990 181 3.64 l#4.9 IRS.3 139.6 185.6 129.6 131.2  !!S.S 136 133.9 187.8 134.9 184.9 lat.?st 131.3 S.3 128.1 839.4 ~ 12 9. 9 186 126 139.9 188.1 136.1 lit.C 127.3 124.0 129.8 189.963 137.3 6.93 138.3 .126.5 128.9 124 136.8 125.6 139.0 136.3 124.1 131.2 . 136.9 125.8 126.454 181.3 0.65 128.2 lit.S 126 124.1 126 125.4 12$.9 126.3 124 127.1 126.0 lit.2 126.04S 127.1 10.20 125.3 128.4 126 126.1 136.1 125.0 126 126.4 134.2 121.4 126.9 131.2 126.1H 121.4 11.92 125.5 125.0 124.3 136.3 126.2 126 126.1 126.4 126.3 121.4 131 125.5 136.3 121.4 13.62 129.? 126 126.5 136.6  !!6.8 136.3 126.S 127 126.0 127.9 121.8 129.1 126.690 137.9 IS.29 126 116.2 136.0 136.9 126.9 126.5 124.0 137.2 137 136.2 127.0 116 136.994 120.3 16.07 124.1 124.4 126.9 127 131 126.1 126.9 127.3 127.2 146.4  !!G 136.1 137.001 130.4 10.H 126.4 126.1 137.2 127.3 127.2 124.0 127 127.4 137.6 180.8 188.1 136.4 111.381 188.8 30.3 126.6 134.9 127.4 127.8 121.4 127.1 131.3 137.0 131.5 120.0 128.8 126.6 187.621 130.9 21.03 136.0 - 121.1 127.6 137.6 127.6 127.2 121.5 127.9 121.1 129 128.4 126.0 127.690 139 23.83 126.0 187.1 137.? 137.0 127.0 127.3 127.6 120.1 127.9 129.3 120.0 136.0 121.941 129e3 0/7/92 35.11 121 121.1 137.1 121.9 121.9 137.4 137.1 130.3 128 129.4 129 127 131.936 129.4 26.0 127 127.3 121.0 124 127.0 127.5 121.0 120.3 120.1 129.4 129 121 121.990 129.4 30.61 121.3 137.5 110.2 128.3 128  !!?.7 127.9 128.3 120.1 129.4 139 127.3 Ste.14S 139.4 30.13 131.2 127.5 124.1 128.2 120.1 121.1 127.9 120.3 128.2 129.4 129 137.2 120.14S 129.4 31.17 181 3 127.4 139.1 134.3 120.3 127.7 127.9 130.3 28.1 129.3 130.9 137.3 120.154 139.3

- - 33.41 -181 2 - 127.4 lde . 180.8 lis 527.8 - 124 lie.4 30.8 189.4 889 137.9 Ste.lle 189.4 35.1 127.3 131.6 lie 120.1 120.3 127.0 120 120.5 20.3 129.4 129 127.3 128.190 !!9.4 36.73 127.6 127.0 120.3 130.3 130.4 121.9 128.1 128.8 128.3 139.4 139 127.6 120.321 129.4 38.37 137.7 las 128.4 120.8 128.7 120.1 128.4 128.0 128.6 129.0 129.4 127.7 lie. Set 139.0 40 121.9 128.1 120.6 130.8 120.7 120.3 138.5 104.9 120.0 134 129.6 160.9 136.927 130 41.41 138.1 130.4 120.4 124.9 120.8 120.5 124.1 139 128.9 130.2 129.0 128.1 120.918 130.2 9 8/0/93 43.3 44.93 46.63 40.31 124.3' 120.6 lie.S 130.6 180.4 tit.?

120.0 130.9 129 129.3 139.3 129 129.4 lit.S Spent ruel rit sweperetloa - Sfr Air Temperature (N 139 129.3 129.4 139.5 139.9 139.8 139.1 120.6 120.0 139 120.0 129.3 129.1 129.1 129.3 129.4 130 129.4 129.0 130.4 129.6 129.4 1 30.1 130.4 129.8 131.1 129.9 120.3 129.941 130.4 120.3 139.313 130.1 130.9 130.6 120.6 129.527 130.9 130.7 lie.6 129.64S 134.1 Averete Water Temp = 121.440 E16 peed l - Above Water --l Air Date meurs TC-1 TC-4 TC=0 TC-15 Mialaus Averste M6slaua 0/S/93 =1.38 90.4 124.0 St.1 05.6 84.1 96.37S 124.8 t/6/93 0.30 09.1 124.9 03.4 St.? 03.4 93.618 184.9 3.02 04 ISS St.6 03.6 02.6 94.718 185 3.60 07.1 til.4 08.4 82.0 01.4 94.115 12$.4 S.3 80.9 125.5 19.3 .81.9 19.3 93.9 138.5 . J

,6.93 07.4 128.4 19.7 02.1 79.7 93.1 125.6 .

8.68 07.6 135.6 01.9 04.4 81.9 94.878 135.6 l 14.30 91.3 138.6 85.0 06.0 85.0 97.376 128.6 .  !

11.92 93.4 128.9 89.7 89.6 09.6 99.66 125.9 .

13.62 94.6 136.2 04.0 90.9 88.8 100.12S 136.3 ,

15.25 95.3 134.3 09.3 91.8 09.3 390.816 126.3 -

16.87 96.3 '

86.6 90 91.6 90 100 076 136.4 ,

18 50 98.0 ,26.0 .03 90.0 69 the.6 134.0 98.3 36.9 87.6 09.4 07.6 09.0 136.9 SE.8 ,

31.83 98.7 181.2 05.1 07.5 05.1 98.375 137.3

• 23.83 91.9 137.3' 03.8 06.1 03.5 97.3 131.3 0/1/92 39.17 91.9 137.4 02.9 94.1 02.9 96.726 137.4 26.1 90.9 121.3 02.9 ' 03.9 St.9 96.328 187.3 38.61 01.9 137.6 St.t 93.0 01.3 98.128 131.6

• 30.13 04.0 131.6 St.2 03 81.3 96.15 127.6 M.?? 07.0 131.1 01.6 03.1 01.6 98.05 121.1 33.47 00.9 137.6 04.S 84.1 80.9 94.175 137.6 36.1 93.1 137.1 07.0 09.1 01.0 99.816 181.7 36.13 06.5 121.9 90.9 92.4 06.5 99.425 137.9 30.37 97.9 120 91.6 93.4 91.6 102.726 118 40 94.0 130.3 93.3 93.8 93.2 103.36 120.3 41.67 91.8 130.4 98.8 93.0 $1.8 102.875 138.4 49.3 97.9 130.8 91.1 92.4 91.1 103.478 Ste.S 44.93 96.S 180.8 St.S 90.0 00.6 101.18 - 180.0 44.48 94.8 180.8 04.9 09.1 to.9 99.828 130.0 0/8/93 40.31 93.1 120.9 08.4 87.3 08.4 94.08 130.9

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Estimation of SFP Head Up Rate timorporatino Actual Plant Data & Thermal Losses YRC 99f. Rev.1 1993 Prepared By M Flevleised By January Pa0e / 14,f FIGUlts 2 (continued)

Hessured vs. Calculated Evaporation Rates - Screadsheet EVAP.14K1 feet 2 - Spent ruel Pool Temperature et 130 *r (continued) spent ruel Pit tveperstleg - Ceepertson of Actual 6 Calculated Evaporation mates (la Ngl lin/ day)

(t) (r) (r) (la nel (in ugl (in Nel srP Air vapor Calculated 51apsed lealde meter Alt Ata vapor Frees at vapor Press et Press - Nue161ty tvaporettee case meure Numidity Temp Temp press are water Temp arr Air Temp Corrected mate 9/6/92 0 77 125.32 A4.98 28.9336 3.9904 1.2l02 0.9380 0.9617 S.90 84 136 19.47 30.9316 4.0637 1.014$ 0.0S22 1.0090 St.9e 4 *. 126.31 09.69 M .9316 4.9947 1.4042 0.0039 1.0102 17.90 63 127.21 91.00 30.9316 4.2003 8.4709 0.9561 1.0201 23.40 00 127.07 04.14 30.9316 4.2140 1.2603 1.0066 1.0276 8/7/92 29.40 83 119.1 S T1.36 10.9316 4.3072 1.1513 4.9556 1.0339 35.6S 83 128.24 00.M S.0 316 4.3170 1.4310 1.1977 0.9042 41.02 71 120.93 93.6a 40.9314 4.3995 1.5937 1.1316 1.0275 0/0/02 40.15 70 129.64 07.34 30.9316 4.4034 1.307S 1.0199 1.0091 Averste 1.0204  !

(ftal . (1al

+

(tal trl (pata) (ft 3/1bl art (in) 1.evel (tal Elapsed art water Ata Water sp Water 8,evel Corrected free calculated Date Neurs &mvel Temp Frees Volume Volume for Temp Change Aegreestoa 5,evel 8/6/92 0 =9.500 125.32 14.2100 0.01623 19611.0 =9.500 =9.'376 -9.500

. 60 - 9.7 50 ite 14 -9.679 -9.500 -9.746 li.90 =9.n lu.3i 14:22000.06n 00 0.0i62319.i4.3 9.ie.0 -9.6u -9.ut =9.990 8/7/92 11:: -':fi'l 111$ 11:118:I:ll111 lim:I 29.40 -10.75 120.15 14.2100 0.01624 194I4.0

-72:188.ti:m

=10.426 -10.379

ll:l!!

=10.747 35.65 -11 120.24 14.2100 0.01624 19424.5 -10.666 -10.509 -11.009 41.02 -11.25 120.93 14.2100 0.01624 19630.3 -10.035 -30.199 -11.267 40.15 -11.3 129.64 14.2100 0.0162S 19634.1 -11.001 -11.014 -11.544 0 0/0/92 84easured Evaporation Rate

• 9.9143 inch / day Calculated Evaporation pate = 1.0200 !ach/ day 4

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Estimation of SFP Heat-up Rate incorporating Adual Plant Data & Thermal Lossea YRC-991. Rev.1 Prepared By *DfT - 1993 Reviewed By January 14,G Pa0e I FZOURE 2 (continued)

Measured vs. Calculated Evaporation Rates' - Spreadsheet EVAP MfK1 Test 3 - Soent ruel Pool Temperature at : 20 'r spect rues pit toeperation - srr water Temperature trl rispeed i

Date Weare 15-2 SC-3 TCal TC-6 ?C-1 TC-9 TC-10 l TC-11 TC-12 T0-13 TC-14 Mintaus Aversee Maatama 4/8/92 -l.45 111.2 111.5 118 lit 111.0 111.7 117.9 118.2 110.3 l 4.33 114.9 447.3 117.7 111.0 119.6 119.3 117.3 110.136 119.8 111.6 187.4 117.1 837.9  !!O 119.3 116.9 &lf.063 119.3 3.0c 'sl6.7 Ilf 117.6 187.1 117.S 181.3 187.6 117.8 117.9

!!8.9 3.82 886.4 117.1 111.6 111.7 119.2 118.8 186.7 137.13e 119.2 117.0 111.3 111.S 111.0 111.9 119.3 118.9 186.0 187.190 119.3 S.lt 147.1 317.4 117.0 180 110.3 117.S 117.? 110.1 118.1 119.4 6.70 181.3 117.6 110.2 110.3 110.4 lif.9 119.4 117.5 180.048 119.4 4.43 118.2 110.6 lit.6 119.9 119.6 117.3 110.410 149.9 tt?.1 441.9 119.4 116.6 118.5 lit.2 lit.S 110.0 118.0 120.8 119.1 i

10.07 488.1 444.1 118.1 130.0 118.6 118.3 118.1 111.1 110.454 120.1 I i

11.1 111.0 tie.1 119.2 119 120.3 129 141.7 110.894 120.3 118.7 118.9 110.1 180.8 114.0 119.2 119.1 120.4 120 13.4 114 114.2 118.8 til 119 118.5 110.0 117.0 110.921 120.4 119.1 18.03 119.1 120.5 120.1 114 119.009 lie.S lit lis.3 118.9 til 119.1 110.6 118.9 119.2 119.2 120.5 120.1 i

16.61 110.8 1As.A 118.9 119.1 119.1 110.6 110.9 110 119.072 Ste.S j 10.37 112.2 114.4 119.3 119.3 120.5 120.1 '118.1 119.109 120.5 119.1 119.1 119.1 110.8 119 119.3 119.3 120.6 120.3 i

20 118.3 118.6 119.1 119.2 119.2 .118.8 110.2 819.210 120.6 28.63 118.4 119 119.4 119.3 120.6 120.3 118.3 119.343 120.5-Itt.1 119.3 119.3 119.S- 118.9 119.2 lit.S 119.4 120.7 120.3 118.4 119.341 23.33 tie.S 134.0 819.3 189.4 119.S 119 119.3 119.6 119.5 120.8 120.5 lle.S 119.412 128.8 128.7 24.97 118.1 110.9 119.5 119.3 119.4 119 119.3 119.? 119.6 26.6 114.7 119 119.5 119.6 120.0 1 20. 5 110.1 119.936 120.4 119.9 119.1 119.4 119.3 119.1 121 120.0 118.1 !!9.641 til.

3.20.3 tie.1 119,8 119 119. 119.0 119.3 119.5 119.8 819.0 121.1 120.7 110

. 0,1.i92 .93 n .S, ist 9 lit. lit. 6 119.,1 ill. tit.S 139.5 S, n 9.4 n 9. 6 119.9 119.0 323.i i20.. ii. 7.9 119.,?36.

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139.7 119.6 120.0 20.8 1 it..e 41.52 til 119.3 119.9 ut.1 in.i ut.3 ni n .39 .9:i9.7e9 utan ni.3 120 120 119.6 119.9 120.2 120.2 121.9 0 43.15 44.10 46.45 44.07 119.1 119.4 139.1 119.2 tit.S 189.4 120.1 119.4 119.1 120.3 120.2 120 120.1 120 Spent fuel Pit Evaporettee - Srp Air Temperature (r) 120.2 120.3 120.1 120.1 120.4 119.0 119.8 119.9 120 120.1 120.3 120 119.9 ' 120.2 120.3 120.5 120.6 120.1 120.3 120.5 120.5 119.9 121.8 121.4 121.1 121.0 128.1 121.2 119.1 120.172 121.6 121.3 121.4 121.7 119 120.063 121.9 119.1 120.245 128.7 119.2 820.3S4 121.0 119.4 120.290 121.8 Average' Heter Temp = 119.296 tiepeeJ I- Above Water --I Air Date pours TC-1 TC-4 TC-8 TC-IS M!ntaus Avere.ge Mastaus 8/8/92. *1.45 83.8 117.8 87.9 90.4 83.8 94.9 117.6 4.28 93.4 111.3 40 90 88 97.178 117.3 1.44 92.1 117.2 86.8 89.4 06.8 96.375 117.2 3.52 90.1 111.2 83.6 07.8 05.6 98.325 137.2

• S.18 90.1 187.8 84.3 06.4 84 3 94.578 117.8 6.14 09.2 117.0 02.1 SS 82.7 93.678 0.43 07.8 110 82.1 84.4 02 1 93.078 -117.0 110 le Of 87.2 'lle.1 01.9 83.6 81 9 92 ?

lI.? 01 litet Sle? 08.6 01'? 92.6IS ?.10

. 110 2 1

13.4 06.5 188.4 81 3 83 08.3 92.3 118.4 16.03 46.3 118.3 et 6 83.6 81.6 92.42S 110.3 16.61 86.4 118.4 82.1 84.3 02.7 92.95 118.4 18.37 07.5 lit.? 03.2 04.1 42.2 93.125 110.7 20 te.6 T 03.4 05.2 83.4 93.975 118.?

21.63 49.4 @las.1 83.2 08.6 83.2 94.225 110.7 23.33 09.7 119 0 83.0 06 03.0 94.575 110.0 24.91 99.4 MD 93.8 85.6 83.8 94.45 119 26.6 09.2 819 84.3 05.7 04 3 94.55 119 20.3 89 119.2 03.6 SS. 3 03.6 94.215 119.2 0/10/92 29.93 St.S. Ste 03.9 08.2 83.9 94.428 119.1 31.87 44.0 119 31 03.5 OS.2 83.5 94.2 119.3 1 33.21 St.S 119.2 82.1 SS St.? 93.05 119.2 34.9 04.0 119.3 93.8 04.8 83.5 94.1 119.3 34.42 89.5 119.4 02.7 84,9 82.7 94.025 119.4 34.28 89.3 149.2 03.4 08.2 83.4 94.275 119.2 39.08 94.4 189.3 85.3 07.4 e5.3 98.5 119.3 41.83 01.6 119.3 86.6 08.4 41.6 93.975 149.3 43.15 92.8 ne.2 07.8 89.5 '47.0 97.325 119.2 44.14 92.4 119.4 04.0 90.6 44.0 07.8 116.4 46.48 92.0 lit.2 08.8 91.1 88.0 97.975 119.2 40.97 93.8 319 St.S 90.7 08.5 97.828 119 l

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Estimation of SFP Heat Up Rate incorporating Actual Platt Data & Tiwrmal Losses YRC-991. Rev.1 January 14,1993 Prepared By W Reviewed By Page M FIGURE 2 (continued) hured vs. Calculated Evaporatien Rates - Spreadsheet EVAP.9fM1 Test 3 - Soent ruel Pool Temperature at 120 'r teontinued:

spent reet rit swaporation - compartoon et Actual a calculated tospesation mates (in wel tin / days (48 slapsed Inalda Water trl trl (le teel fin nel tia met ert Air veper calculated Air Ata Vapor press at Vapor Frees at Press - Numidity Evaporettee case meure uvaletty temp temp Frees are water temp err Air Temp corteeted mate e/e/92 0 42 lif 9 94.64 24.9356 3.254 s 1.4241 e.0e30 e.1444 e/9/92 6 la

?! lle.It 83.67 24.9386 3.2449 1.2397 0.0002 0.1952 16 81s.94 e3.49 28.9316 3.3473 1.1541 0.6674 0.??99 le 19 849.2 54.14 28.9314 3.3186 8.1003 0.9324 0.1410 23.06 16 819.49 01.87 28.9316 3.3601 1.2479 0.9401 0.1104 e/le/92 29.03  ?$ 819.16 09.21 30.9314 3.4230 1.221e 0.9530 0.1166 35.e3 80 119.97 e4.06 28.9316 3.4435 1.2002 0.9444 0.7140 41.03 91 820.0e 84.61 20.9314 3.4542 1.3411 1.2344 0.6947 41.e3 67 120.3 90.16 20.9316 3.4 7S e 1.4542 0.9737 0.?t41 Average- 0.7417 tit 3) (tal (tal tri (patal tits /lba str- -(tal tevet tins tiapsed srr water Ata water sp water tevet corrected from canestated case mouse Level Temp prese volume volume for Temp Change Begreeston tevet ste/92 e -10.62s 117.9 14.2100 0.01420 19359.0 -10.429 -10.592 -10.423 e/9/92 4 -10.025 tie.2414.210e e.0162019560.6 -10.s90 -80.731 -te.ett 83 -80.e19 tie.e4 .2lso e.elete 9564.e -10.146 -te. set -11.004 le els.eee see.e . pleo e e:6ee sese.e .ss -neente is.es -tt.316 110.49 . flee e.elete 9464.4 -11..109 tid -11.142

..i.aev -11.346 s/10/93 29.03 -18.626 119.15 84.2100 0.01620 19547.9 -11.432 -11.219 -11.61e al.e3 -11.750 819.97 14.2100 0.01620 19569.0 -!!.534 -11.4te -11.172 41.e3 -11.625 130.00 14.3100 0.91620 19569.S -11.396 -11.554 -11.957 9 41.0 3 -11.e15 120.3 14.2100 0.01621 19570.7 Measured tvaporation Aste = 0.8520 inch / day Cateuteted Evaporettaa Mate a 0.7647 tach / day

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FIGURE 2 (contialsed)

Measured vs. Calculated Evaporation Rates - Soreadsheet EVAP ark 1 Test 4 - Soent Fuel Pool Temocrature at llo *r 6peni reel ett sveperetten - sre water Temperature Irl Stapeed Oate meets 1C-2 TC-3 TC-S TC-6 TC-1 TC-9 TC-10 TC-Il TC-12 TC-13 1C-14 M8minum Average Manimum 8/18/92 -0.3 106.1' 106.9 107.5 101.4. 197.4 101.3 107.5 107.0' let 109.3 100.9 104.1 101.? u 809.3 l.S ^107.1 107.3 100 100.3 100.1 107.1 100 1 00. 3 200.e 100.0 109.4 101.1 800.3 109.0 3.13 107.8 101.7 100.3 100.6 100.1 100.3 100.5 100.0 104.9 110.2 109.0 107.8 200.643 110.3 S.97 107.0 100.1 100.1 100.0 100.0 100.1 109 109.1 109.2 110.5 110.3 107.0 let 110.S 6.41 107.S 107.1 100.3 190.4 100.3 100.2 100.S 100.4 100.7 110.1 109.9 101.S 100.S63 tie.1 0.1 107 807.3 107.0 107.0 107.9 107.7 107.9 100 100.2 109.6 109.4 at 10e.064 109.6 9.73 104.6 104.0 107.4 Ref.S 101.6 107.3 101.6 107.1 ~197.9 109.3 109.1 106.4 101.?tt 109.3 11.43 106.3 104.5 107.3 101.3 107.4 107 107.3 107.6 107.1 109 100.0 106.3 107.463 109 13.07 104 106.4 104.9 107.1 107.5 104.0 107.1 101.3 107.S 800.9 104.5 106 101.334 100.9 14.1 109.0 106.1 104.0 106.9 106.7 106.5 106.0 107.1 101.3 100.7 100.9 109.0 107.009 100.7 16.32 105.6 105.0 104.6 105.1 104.4 104.3 104.4 106.0 106.9 104.4 tot 105.6 106.14S 100.4 4/12/92 11.95 105.S 105.0 106.4 104.5 104.6 106.3 106.4 107 106.9 100.3 100.1 109.S 104.109 100.3 19.6 104.1 106.4 107 101.2 107.3 106.? 107 107.4 107.S 100.9 190.6 104.1 107.272 100.9 21.23 104.6 106.9 107.6 107.0 107.1 107.3 107.4 101.0 101.9 109.8 109 106.6 101.134 109.3 32.01 107.3 101.S 100.3 100.1 100.1 101.1 107.9 100.3 104.4 109.0 109.5 101.1 800.327 109.0 34.S? 107.5 107.0 100.4 100.4 104.7 100.2 100.4 100.0 100.0 110.2 109.9 101.8 100.643 Ste.2 26.2 10?.0 100.1 100.7 160.0 100.9 100.5 100.1 let 109.1 la.4 110.1 101.0 100.950 110.4 27.03 100.2 100.5 109.1 109.2 109 100.0 109 109.6 109.4 116.7 110.3 100.2 109.254 119.7 29.53 100.6 100.9 n.a lu.0 at.2 u 109 t.,S 109.5 at.9 109.0 309.9 a9.4 109.2 109.4 at.?

109.1 109.0 ne us.: in.3 . w.9 ti* 110.6 160.4 109.436 in.0 a9.9 111 in.3 n.0 get ut.: u p.9 no.i ne.i ut.? ut.9 ne., no.3 ni.. in ne.u? i..

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4 30 .i 4 304.4 107 10.S.. 301 iO6.1 301 it?., 101.4 200.0 1 0.4 106.i 307.3 300.0 47.60 106 106.1 104.9 107 101 106.4 106.1 106.9 107 200.4 100.2 106 106.643 100.4 Spent Fuel Pit graporation - OFF Air Temperature fr) Average 9 Ester Temp = 107.136 81apsed l- Above W4ter =l Air Date lleura 5t-1 TC-4 TC-8 TC-15 Mlaimus Average Mealaua

=-m 0/11/92 -0.2 '93.S 03.9 09.4 02.4 00,4 02.55 03.9 1.5 03.0 04.9 00.4 02.6 00.4 02.928 04.9 3.13 05.4 05.9 03 04.1 63 04.18 08.9 5.91 00.1 09.1 06.9 80 06.9 00.026 09.8 4.47 09.9 90.6 08.4 09.6 08.4 09.485 90.4 0.1 91.1 91.5 09.1 90.0 09.1 94.625 91.5 0.73 91.3 98.0 06.9 91.4 09.9 91.1 91.8 l 11.43 91.9 91.4 09.3 91.1 09.3 90.926 '91.9 t 13.07 09.9 90.1 07.9 09.1 07.9 09.4 90.1 14.1 07.9 80.1 05.3 07.4 08.3 07.15 08.1 14.33 04.4 06.3 03.4 05.318 03.4 05.4 86.4 1 0/12/92 17.98 04.9 04.9 St.3 04 01.3 03.??S 04.9 . I 19.4 03.0 03.0 St.S 02.0 08.5 02.725 03.0 '

21.33 08.5 33.8 09.1 08.1 .00.1 03.375 83.0 32.01 03.1 03.1 10.9 01.1 10.9 01.1 33.7 34.57 03 08.8 10.6 30.3 10.6 St.?S 02.3 36.3 03.3 03.2 08.3 01.4 60.3 01.715 03.3 21.03 05.2 SS.G. 92.4 04.1 03.4 04.4 05.9 29.83 07.1 08.3 04 05.7 04 06.215 08.3 31.17 80 St.S 08.2 07 08.3 01.118 St.S 32.0 01.9 00.6 GS.S Of.S Gl.S 41.3?S 08.6 34.S 87.0 40.1 05.0 07.6 08.0 07.325 08.1 34.13 07.6 08.1 05.4 07.3 05.4 07.1 00.1 31.?? 04.6 04.6 03.4 08.6 03.8 08.976 06.4 39 47 St.? 04.7 01.1 03.1 08.1 03.4 04.7 4I.1 03.3 03.6 19.0 01.3 79.0 01.975 03.6 0/13/93 43.12 01.6 08.4  ??.9 19.7 11.9 09.4 03.4 44.48 00.3 90.0 16.3 19.3 76.3 10.018 00.0 46.09 70.0 19.0 ?S 11.3 16  ??.? 19.0 47.= 70.8 79.3 14.9 14.1 14.9  ??.35 19.3 3 1 . ., . i. j, :t A, gR Q- y Q.a;'.u. .d 6' QN4 R,g.hV yp %.we A Qw. ..$v.te.j w s% d.e%'59A;& &e .7J.J.h.w.v..h .m.

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Estirnation of SFP

• Heat Up Rate incorporating Actual Plant Data & Thermal Losses YRC 991 Rev.1

. January 14,1993 Prepared By %_ Reviewed By' Pa0e IT FIGURr 2 (continued)

Heasured vs Calculated Evsooration Rates - Screadsheet EVAP.WK1 Test 4 - Spent Fuel Pool Temperature at 110 *r (continuedt Opent ruel Pit swaporetten - Comparteen et Actual 4 Cattuteted sweporation Rates (in het tin /dayl (tl Elepeed inelde Water trl trl (la nel (in ust sin ugl err Air waper Celeuteted Air Ata vapor Frees at vapor Press et Frees = Num:$lty Evaporetton Date Nowre Nue191ty Temp Temp Frees 6tr Water Temp err Air Temp Corrected mate 9/11/92 0 10 107.79 02.42 20.9316 2.4547 1.1160 0.1017 0.5197 6 64 190.97 09.1 20.9336 2.8204 1.3390 0.0549 0.5210 81.03 SG 107.41 90.16 20.9346 2.4003 1.4S42 0.0446 0.4987 87.67 62 106.72 04.24 20.9316 2.3603 1.104% 0.7342 0.5113 0/12/92 23.67 66 109.43 00.60 20.9336 2.400e 1.05S5 0.6946 0.5410 29.92 46 109.7 04.01 20.9316 2.5739 1.2S29 0.5763 0.6261 35.75 $1 110.36 07.37 20.9316 2.1236 1.3000 0.7460 0 . S 90 4 41.75 e4 100.15 00.66 20.9346 2.5043 1.0540 0.6962 0.560S

. 8/13/92 47.67 67 104.96 76.7 20.9346 3.3770 0.9241 0.6205 0.5523 Averste. 0.S496 3 ting tit 38 tiel til (petal (2t3/lbl tre fini Level lint Elepeed err Water Ata Water Op Water Level Corrected from Calculated Date Newre Level Temp Press Volume volume for Temp Chenee petroselon Level 0/lbt5 "O =13 525 107 b 14 2$00 0 0$6$$ S M50 3 8335f=$$M$~ 5332 6 =13.62$ 100.91 14.2100 0.01616 19425.0 =13.510 =13,710 =13.185 11.03 =13.078 107.41 14.2100 0.01614 19418.9 -13.910 =13.661 =12.879 17.67 =14.250 106.72 14.2100 0.01618 19415.6 -14.347 -14.012 -14.001 0/12/92 23.57 =14.250 100.43 14.2100 0.01616 19422.0 =14.192 =14.160 -14.135 29.92 =14.375 109.1 14.2100 0.01616 19420.1 =14.201 -14.330 -14.299 35.75 =14.375 110.36 84.2100 0.01617 19438.1 -14.137 -14.401 -14.437 41.75 -14.500 100.75 14.2100 0.01616 19424.1 -14.413 =14.636 =14.502 47.67 -15.125 106.96 14.2100 0.01615 19416.4 -15.800 =14.190 -14.721 00/11/92 04easured Evaporetton Rate = 0.6218 Inch / day Calculated Eveparation Rate = 0.5345 inch / day

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Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal Losses YRC 991. Rev.1 January 14,1993 Prepared By O Reviewed By .

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Measured vs. Calculated Evaporation Rates - Boreadsheet EVAP.WX1 Test 5 - spent ruel Pool temperature et 100 *r spent ruel rit Evaporetten - SrP Water Tempeteture (r)

.1.

Oate Neuss TC-2 TC-3 TC-8 TC-4 TC-7 TC-9 TC-10 TC-11 7C-12 7C-13 1C-14 Mintaum Avetate MaalaHan 4/16/92 =1.10 99.0 100.1 100.7 100.0 100.0 100.3 100.5 200.0 0.4% 100 100.4 100.8 101.1 101 102.3 101.9 99.0 100.009 102.2 108.2 100.5 100.7 101 101.1 102.4 103 100 142.4 2.15 104.2 SDO.S 101 101.3 100.7 100.9 102.4 3.70 104.4 100.1 let.1 101.2 101.3 102.6 102.2 100.3 102.6 102.4 105.3 103.3 101.5 100.9 101 101.3 101.4 102.7 102.3 100.4 S.42 100.4 100.7 101.2 101.3 101.2 100.8 101 102.7 102.1 7.12 800 100.2 101.2 101.3 102.4 102.3 109.4 102.6 102.6 800.0 100.9 let 100.6 100.0 106.9 101 802.5 193.3 100 0.75 99.6 99.0 100.9 100.5 ICO.S 100.2 100.4 102.5 103.8 10.30 90.9 99.1 99.8 100.9 100.6 102.1 101.9 09.6 102*1 102.1 99.4 99.7 99.4 99.6 99.1 99.0 101.3 101 1 94.9 141 $

12.00 98.1 98.4 99 99 98.0 70.4 98.9 101.3 13.72 98.2 St.S 94.9 99 100.4 100.3 70.4 100.6 Jte.6 99.1 99.3 98.1 94.8 99 99.3 99.3 100.6 500.3 94.2 15.39 90.4 98.7 99.3 99.4 99.4 99 99.1 99.4 99.9 104.6 ate.6 g/17/92 17.0S H.S 94.9 99.4 99.4 100.9 100.6 94.4 190.9 100.9 99.2 99 99.2 99.4 99.5 100.9 100.8 90.5 100.9. 100.9 10.64 H .4 94.6 99.2 99.2 99.1 10.8 99 99.2 99.4 30.32 98.2 94.4 99 99.1 100.1 100.4 10.0 100.1 100.7 99 98.7 99 99.1 99.3 100.6 100.2 98.2 100.6 100.4 22.02 94.3 98.5 99 99.2 90.9 98.7 H.9 99.1 99.3 23.45 98.2 94.5 99.1 .99.2 100.6 100.1 94. 3 100.6 100.6 94.9 98.1 94.9 99.1 99.3 104.6 100.3 98.3 100.6 100.6 28.37 98.1 90.4 99 99.1 99 98.1 90.9 99.1 99.3 36.9 94.2 96.8 99.1 100.5 100.1 98.1 100.9 100.8 99.2 99.1 98.7 98.9 99.1 99.2 100.5 100.1 98.2 28.83 98 .2 94.5 99.1 99.2 99 94.4 100.S 100.6 30.18 98.9 99.1 99.2 100.6 100.2 94.2 100.6 100.4 H.2 98.5 99 99.1 99 H7 98.9 99.1 99.2 100.S 100.1 38.02 94.3 H.4 99.1 99.2 99.4 98.7 98.2 100.5 100.8 33.45 96.9 99.1 99.2 100.8 100.1 H.3 100.4 100.5 H.3 94.6 99.1 99.2 99.2 98.0 99 99.2 99.4 100.4 160.2 H.3 38.15 94.3 98.7 99.2 99 3 99.3 98.8 99.8 100.6 100.6 34.18 94.4 99.3 99.9 100.0 800.4 99.3 800.0 804.0 94 .1 99.2 99.4 99.2 90.0 99.1 99.2 99.4 100.1 104.3 H.4 34.48 94.4 94.6 99.3 99.3 99.1 90.0 100.1 100.1 99.1 99.2 99.4 100.7 100.3 98.4 200.7 100.7 40.12 H.3 94.6 99.1 99.2 99.3 H.S 99 99.2 99.3 100.3 0/10/92 41.78 98.3 90.8 99 99.1 100.1 90.3 100.7 100.7 99.4 98.1 96.9 99.3 99.3 100.6 200.3 94.3 800.6 100.6 43.30 98.3 98.S 99.1 99.2 98.9 H.7 99 99.1 99.3

45.00 H.3 94.5 99.1 100.6 104.2 94.2 100 6 100.6 99.2 99 94.1 94.9 99.1 99.3 100.6 100.2 H.3 181.6 46.72 H.2 90.4 99 99.1 99.2 98.7 100.6 H.9 99.1 99.3 100.6 100.2 94.2 100.6 140.6 Spent Fuel Fit tveparat104 = arr Air Temperature (F) Average Water Temp = 101.033 Elepeed l - Above Water -l Air Date Neute TC-1 TC-4 TC-4 TC-15 Minisua Averece Healaue 9/16/92 al.10 10.0 100.2 78.3 77.8 18.3 83.02S '100.2 9.45 14.4 ' 100.5 18.9 77.7 75.9 83.125 100.S 3.19 19.2 1 00. 6 to Te to 03.45 100.6 3.78 79 104.9 16.3 77.7 76.2 83.45 100.9 8.42 19.0 100.7 76.6 14.4 76.6 83.016 100.7 7.12 79.5 100.4 71.4 19.1 17.4 84.1 100.4 8.16 19.9 99.0 11.1 78.9  ??.1 83.924 99.4 10.38 19.2 99.1 16.9 ft 16.9 83.88 99.1 12.94 19.6 H.4 76.5 18.4 16.8 83.338 98.4 13.12  ?$.9 H.6 16.6 78.6 74.6 03.175

• 94.5 15.35 19.4 H.S 76.1 16.3 16.1 02.65 90.8

'4/11/92 11.05 10.4 90.8 18.7 77.7 75.7 82.65 90.8 it.H 17.8 94.S 78.8 77.5 75.5 82.35 94.5 1 20.32 11.9 94.4 75.5 11.6 18.5 82.38 98.4 4

22.02 18.3 98.5 15.6 77.5 75.6 02.475 98.5 i 23.65 77.8 98.5 78.1 17.6 13.1 25.31 42.25 98.5 14.3 94.1 78.0 77.0 75.0 02.8 94.1 24.9 19.2 94.4 16.6 14.5 16.6 83.115 94.4

. 20.53 79.6 98.6 77.9 19.5 17.9 83.875 98.5 34.10 80.6 H.S 10.9 01 10.9 84.15 98.5 31.42 01.4 DS. 6 19.4 81.6 19.4 89.3 94.6 =

33.45 08.5 H.6 19.8 81.3 19.5 05.225 94.6 35.15 01.0 64. 6 78.9 01.2 78.9 05.128 98.6 36.14 81.8 98.6 10.8 01 18.5 84.975 98.6

• 30.42 .01.1 H.6 10.3 80.5 70.3 64.62S 94.6 40.12 St.S H.3 18.4 40.3 70.4 84.318 99.3 8/10/92 41.15 80.2 94.3 18 79.s to 04.015 94.3 43.H 00.3 98.3 77.8 79.6 77.E 83.925 90.3 48.00 19.7 90.4  ??.3 79.3 '??.3 83.678 98.4 46.12 79.5 94.1 17.3 19.3 17.3 08.58 94.1 Ei e

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Estimation of SFP Heat Up Rate incorporatin0 Actual Plant Data & Thermallosses YRC-991. Rev.1 Prepared By ~DYIk Reviewed By - January 14.1993 Pa0s J FIGURE 2 (continued)

Measured Test 5 -vs. Calculated spent __ INel Pool Evaporation

'r Rates - Screadsheet EVAP.WK1 emr>erature at 100 *r teontinuedt 6 peat reet Fit Evaporation = comparisen of Actual 6 Calculated troperatten mates 891 tri Elapsed saalde Water (rt Air (la Mel tia ugl (1a. Ngl (la kgl err Air vapor tta/ day)

Dete sovre avelsity temp Ata vapor prese at vapor press et prese - Numletty canceleted sweperettea Tome Prese err Meter Temp err Air Temp cerroeted

's/16/92 e 66 101.96 mate 6 66 102.S1 11.13 20.9335 2.e497 0.9319 70.64 as.9316 2.0e19 e.4 322 0.4451 le 46 109.63 e.9413 e.6316 s/lf/92 le to too.te To.el 20.938 6 s . eves e.9929 c.45t6 24 11.44 so.9386 1.9792 0.9532 0.6ss3 e.al:S 69 See.Se 77.64 20.9336 1.9673 0.6646 e.atti l

30 10 300.31 e.9%S2 36 00.e4 20.9356 1.D631 0.6398 0.4113 il 100.75 1.0418 0.e274 0/leh2 42 78 100.6 01.5 20.9315 1.9714 1.0101 0.311e

.0.31 Jo.938t 1.96e$ 0.759e 0.3029 te  ?? 100.6 1.0427 0.0833 19.3 28.9336 1.9645 1.0049 0.3632 0.1169 0.3747 Average 0.4013 llal tr) (f t 3) Gal Clepsed (petal (ft3/lbl are STP Water (tal Date Mouse 1,evel Ata Water op unter 1,evel Corrected Level from (tal Temp Press Volume Volume for Temp Change negreestea Calculated l e/16/02 1,evel e att.315 101.96 14.2100 0.08614 19S24.2 -11.375 -11.316 126 -18.625

=tt.013 102.S? 14.2100 0.01614 19524.4 -11.375

-11.569 -11.444 e/ls/92 le . 100.63 14.2100 0.01613 19510.4 is 2 00 e -11.934 -18.089 -11.407

2. .lf.ece 2, 43 e ..e 44:3 e e:hi413 e3 .ue 2 -11.565 3e.12. foe lee.o.te 95i9:4 i

.Si 4.2eee.olell 95is.i .-l2.

e. lee-12:1Isl ee - -lI69f

- ee elle/92 36 =12.375

-12.375 400.75 14.2100 0.01613 19519.1

-12.i -tl.99:

42 *12.4.20 -12.224 6 =12.426 -11.990 46 -12.500 200.4 14.2100 0.01483 19519.S =12.499 *12.570 100.6 14.2100 e.01613 19$1s.S -12.624 *13.130 -12.003 i

-12.116 -

Measured traporstlea Mata = 0.6049 inch / day l Calculated tvaporation pate = 0.3946 lach/ day Summary Tables of All Five Tests opent ruel fit tvaporaties = overalt mesulta (411 e testal Irl fla/dayl (in/ day)

Avg 'wasured (ta/ day) (ta/dayl str traporstlos Sete free C&1eu14ted steasured Evaporation Rate from Temp aate calculated segree61ea sate pogreeston L 134.14 2.4201 1.1003 127.52 0.0163 1.2341 1.20303 1.3965 1.020e

' 19.32 0.5520 - 3.0514 1.02S2 10s.34 6.6219 0.5095 9.7641 0.43329 108.04 8.6069 9.6543 0.65294 0.2003 4.3946 0.31200

. ,,) 8 on, pent rest Pit eveporettea - 954 C'afidence laterval on steasured Evaporatten Aug 8eseeere., ,1.,d.Fl d page frem srr evaporatlea lesessted variasee of Temp SS4 954 9H hate segreselos Begreseten (Y=yl*2 ts-aberl*2 Data relate Cea11dence r Lower 134.74 2.4241 1.1043 laterval t Limit 127.93 0.4163 1.3e65 S.Ste2 273.94 9.2373 119.33 0.862 e.3361 07.16 1.1205 2.e207 8.5194 104.34 4.6219 l.0614 0.2406 4.1214 s. ele?

e. Sets 1,29 0.0414 2.2353 e.85 101.00 0.6049 9.4011 . 95.01 0.132 0.6706 1.7228 9.30.14 8 8.2003 04661 390.32 0.4554 0.234.5 1.1483 1.4460 -0.2661 no.r . lee v.vg A ,1.a fes.pee. .11014 1.42 4 ~4.8680

.4 n a

)

- Qrmy ;s&JA* dh. ? '~

y

( gi- g jg, y&

&hIhQh)$d}k rff '

n

Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal t.oseee YMC 991. Rev.1 January 14,1993 Prepared By "T/TR. Reviewed By Page &

converted to pala. Column 6 gives the specific volume of the SFP water at the avera00 tenperature Noted in column 4. The specific volumes are interpolated from the water properties table as discussed la section 4.2.1. The seventh column provides the expected SFP water volume due only to the chan0e in avers 0e SFP temporalure between data points (i.e., without evaporation). This is determined based on a volume of 20,060.8 ft* at d Inches, se discussed in section 4.2.1. The inlUal water volu'me at time reto is determined by:-

r

• Vdume,,,,, = 20.050.8,/18 + ( LeueL) 48.2917 r s Subsequent water volumes in column 7 are determined based on a constant water mass and the chan0e in specific volume with t'enperature between successive data points:

r ,

Vdume, a Volume,., y!

, V .: ,

s Column 8 in the fourth table gives the SFP level corrected for the change in temperature from the initial temperature. The corrected level represents the level chan0e over time due only to evaporation, and is determined by:

e s

- Vdume,-Volumem Correded levet, o Measurut uvel,+

46.2917 #

TiiE s Column 9 presents the coneded level chan0e over time, due only to evaporation, determined from a Enear regression of the conected level vs. time data. The slope of this Ine is the measured evaporation rate for '

. the test, wNeh is,shown below the fourth table.

Column 10 of the fourth table gives the level vs. time that would occur using the calculated evaporation rates from the thinf table, et comperleon with the corrected measured level vs. time. The inNiel calculated

, levelis the measured level at time zero. Subsequent cakulated levels are determirr1 from the average calculated evaporation rate over the time interval by: '

r ..

8*

• • U.3 f s yl? , , . , , N',p ,9 '; m f$2;. , j .

~

M# -

,1 h % k o,w.. ..n._ w,, ,. ,..,.y+.

. g.e . . .

.'.l.,,.-,,,.,.., n .. .

.c .

Ehh.tk AVN  ;

M g w& h! X }ls 4. w.G :.s.O Myn.m.., r.a.s . lox aj.]i:;45k _f ' is& 2,.r OQVW~ ' $;

w w s n.f.

4 n..m.

7 f19 4 N N wm

,e .w.ww.mh2 ', &;;p.?h v.m.n '.m s; . . .u.o.ws,m :. e y '-at

,./ >

~-

wum.Mg

. . r. w ; 1::.s ."

woL %,, .p . .. ,

- .n

.- _r. .~.a.  :. n, . ..

. - g > .. 9 t.

Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal 1.osses YRC 991. Rev.1 January 14,1993 Prepared By N Reviewed By Pa0e J'l The calculated evaporation rate for each test is determined the same as the measured evaporation, by the slope of the Enear regression Ine throu0h the calculated level vs. time data pWits. The calculated

' evaporation rate for each test is shown below the fourth table, along with the measured evaporation rate.

The final tw'o tables in spreadsheet EVAP.WK1 (shown on page 2 f) give the overaN results for the 5 test '

temperatures. The first overaN results table summartzes the measured and calculated evaporation rates for each of the 6 test temperatures. The first table also includes the measured and calculated evaporation i

rates determined from Incar regressiond of the rnessured and calculated rates vs. temperature. The linear regression equations determined from this data are -

l Measurect Evgporuuan Rafe - (0.04208 88h' )(SFPhrnperature)-3.9704 I"#N 8" #

Calculated Eugporuffon Rate = (0.02463~d2iF~F)(SFPhtqperature)-2.1158~diiE i

The second overall results table determines the 95% confidence intervalon the measured evaporation rates determined from the Incar regression. Column 4 of the second table is the square of the difference

( J between the linear regression rate and the measured rate, determined by:  !

( Y, - u,l*

where. Y, = Evaporation rate prodloted from the unear re0ression  !

I yi= Measured evaporation rate j

1

~ i The fifth column ls the square of the difference between the SFP temperature and the overal avera0s SFP l

temperature, determined by:

- (x, - %f '

where, M = Individual SFP temperatu;e for each test x., = Avera0e of the 5 SFP lost termeratures 1

The sixth column is the vertence of each evaporation rate predicted from the linear regression equation, determined by (equation a4e on pg. 97 of Reference 6):

l

.^i .

_ .; *n s . ,p .,e .p.,+. .m , , a ,.y ,_ g

'. lOlt y hlb 5 h $Gs, * *

• b ,.q+^.Q.2 & d5fi k,.s;\fhN;UV,;{I[ & Tl"1&fn. ,n% t?.eW,Y.* , J t A. ac 4v % e,. W y?

w i'.%m..yaimwa,w.

9.a  %.sJewnm s v w.s,nh +:a. h;,4 a+ u v.~ w :. ..y

.e nlk a %m m295l'.D 4.,ma. a.:+.4&

%. ,p\.*3

, , a. apn g;, .,  : r.ge; .,g_ gu w_ a .

_m; _. . . . . . _ ; -  ;

i 4

Estimation of SFP Heat-Up Rate incorporating Actual Plant Data & Thermal Losses YRC-991, Rev.1 January 14,1 m3 Prepared By M Reviewed By Pa0e A

~

s* ( Y,) = s* ( y,) 1+

n

(.g - xg)8 where, s'(Y) = Variance of the Individual evaporation rates predicted from the Enear regression n = Number of data points in the Enear regression = 6

.; - Individual SFP terrporature for each test  ;

% = Ave %e of(he 5 SFP test temperatures I and (equation 2 91 on pg. 96 of Reference 5),

I a8 (y,i = { ( Y, - y,)*

n-2 where, s'(y) = Variance of the measured evaporation rates relative to the regression une Y, = Evaporation rate predicted from the linear re0ression G y,= Measured evaporation rate The 95% confidence Hmits are determined in column 7 of the second overan resuts table by (equation 2-97 on pg.97 of Reference 5):

95% Coq /ldence IJrnEs . (a()/s*(Y,)

8 where, s (Y) = Variance of the Individual evapord.;on rmes predided from the unear regression t - Student "t" test fador for n 2 data poltts = 2.35 (from Table 6 on p0. A33 of Reference 6)

The measured and calculated evaporaton rates for eam of the 5 tests are summertred in the table below.

The table also shows the measured and calculated evaporation rates at sad temperature, determined from

. the Incar regroselon equations above. The evaporation ref.e from the measured regroselon also includes the 95% confidence interval

\

W w

y, 2 ,

.. e o c.

'-4

. , 7 4 <= . .

...g.,. ,

>. . ~ '

tgp',La . , v.~ ,st.yi w., cia 4 p ay.'U w %.' o m - 'ws

. & - ",e - w. . ,

gpr.,ep ,. .:dc 'a'>. %n.c.Q4Limw;&u

. u &:..e+$pf,, . . .pgg,'p,gvggva.. :.3,m.,-pyg.p,mqq.aage w . ' 4.nw * -

~

e Estimation of SFP Heat-Up Rate incorporating Actual Plant Data & Thermal L.ossee YRC-est, Rev.1 Prepared 8y Y Reviewed By -

a0e Test Avg SFP Measured Calculated Evaporation Rate Evaporation Rate Temp Evaporation . Evaporation Rate from Measured from Calmisted (V) Rate (inchMay) (incWday) "ag:::':5, Regresalon (InchMay) (irdMay) 1 134.74 2.4201 1.23a1 1.7003 & 1.1206 1.2030 2 127.62 0.8163 1.0206 1.3906 i 0A387 1.0263 3 119.32 0.6628 0.7647 1.0614 i 0.6706 0.8233 4 106.34 0.6219 0.5545 0.5895 i 0.8556 0.5529 6 '101.00 0.6069 0.3966 0.2003 i 1.1483 0.3720 F10urse 3 througti 7, on pa0es 26 throu0h 30, show the measured lowl W. time data points, the linear regression line though these data points, and the calculated level vs. time (determined from the calculated evaporation rates) for each of the five evaporation tests (at 136 T,130 T.120 T,110 T, and 100 T).

Flouros 8 and 9 (on pages 31 and 82) cornpare the measured and calculated evaporation rates W.

O temperature with the linear regression Enes through the data points. 0 F1 ure 10 (on pa0e 33) comparce the Incar regression Enos of the measured and calculated evaporation rates vs. temperature. The 95%

confidence interval is indicated by the enor bars on the measured evaporation rate in Flours 10. Note that the osiculated evaporation rate is Generapy less than the nwasured waporstbn rate. TNs suo0ests that usin0 tre calculated rate would be conservatte in appications where creditin0 evaporation Gives tweler results, and non conservative la appNestions where worse reauts are achieved when sooounting for evaporstbn. However, since the calculated evaporation rate fais within the 96% confidence interval of the measured evaporation rate, the calculated evaporation rate is'providin0 a reasonable estimate of the actual evaporation rate.

Inspection of the results of the individual evaporation tests in Figures 3 through 7 (pages 26 through 30) and the table above imicates that the measured evaporation rates (slope of the level w. time ilne) match the coloulated rates fairly wee sor tests 2,3,4, and 5 (i.e., within to.2 incheaMay at 130 T.120 T.110 T, and 100 T respectively). For test 1 at 135 T, the last data point at 184 hours0.00213 days <br />0.0511 hours <br />3.042328e-4 weeks <br />7.0012e-5 months <br /> appears to si0nticuitly skew its siops of itw unear re0rnelon ene (which is its evaporanon rate). since this essa point seems to tw sl 0nricantly tulow the expected level extrapolated fem the 3 previous data points, tem reconsed ievel measumment ser its anni data point may tw in enor. Ttw impact of this single data pow on the onras resuas we to innstl0sted tulow.

~ .

~.

Nb .,ij m s< ' es f

.'Q+.a ww .w.<;. , w. .+f..w w l_

s m m .,g, .n .

.n ,

_.~..<..

.i 9

Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal Losses YRC491. Rev.1 January 14 993 Prepared By Y Reviewed By Pa0e Figure 3 SFP Evaporation Test (August 1992)

SFP Level ve. Time - Test 1 et 9 5 F

\

=12.8 , N

.se.. Nk-

,g Nm

-13.3 ( 3 V N  ;;

N *

=13.4 N ,

O t

=13.8

\

N h

N *

- o .. s\

=14 N

=14.R

\

4

=14.4 0

=14.5

=14 0 0 3 4 5 0 10 it 14 18 10 Elepeed Ties Chows) .

O Meee r ed Level + Mmeered Regresolen e Calculated Level r

8$b.'Q I.' ' l, i

, .' . i.,

s., l' -

t .

E

i I

i Estimation of SFP Heat-Up Rate incorporatino Actual Plant Data & Thermal Losses YRC-991, Rev.1 -

January 14.1993 Prepared By M Reviewed By Pa0e 47 F10ure 4 SFP Evaporation Test CAugust 1992)

WP Lavei su Time.T t.3.t130F

.. 4 A

NN =

{c .. \\

....a \ \

$ j ..... A N N N i

t . ...

N- ox - i 1, -

41.a

\ j 44.4 I N  :

a j

...a j

. m a  ;

Eiep d Time Ctars)

. .. .. m i

)

. . mi . ,

j 6

6 '

e i

l b;;h

.P/; -

W4, .

4

%p N # -

.- . ., .., ;4: ~ y.. ; -

h

4 Estimation of 8FP Heat Up Rate incorporating Mual Platt Data & Thermal Losses YRC401, Rev.1 January 141993 Prepared By I Reviewed By Pa0s N Figure 5 -

SFP Evaporation Test CAugust 1992)

SPP Level vs. ftmo - Test 3 et wo P

-10.5

-10.7

-to.e \\,

10.8 f

E

.u 11.1'

\ \-

U 11.3 , -

O -11 3

-11A

.l 11.s y 11.5 -

=11.7 N N 11.s

\

11.8

.. A

.it.1 11.E

.it S D E .

Elapsed Tsee Chouro) o Meeered Level + laseewed Regreselon + Uniculated Level

,9 , .

. . . . . .s.. ,

,k.k .k'._ ,p 7,' s -p , ? l} ,i <

. _. \ s~ y: ..,y.....,y...)h

, , >. . , . p 4 . . -  ;. r ,, ,. , jf. . 's -

l-

.sj ,yr.,a....,q ,g.. p . ,~, ,

y ig y ,,g. ,.,,s. c, . ...,,. ,,q ( p,

$, , ,4 9 g l

1 Estimation of SFP Heat-Up Rate incorporatin0 Adual Plant Data & Thermal Losses YRC 991. Rev.1 January 14,1993 Prepared By "bfil- Reviewed By Pa00 A Figure 6

- SFP Evaporation Test CAugust 1992)

SPP Level vs. Time - Test 4 et 110 P

-13.5 u

-13.8 \

-13.7 \\

18.8 ,

n -13.9 =

j -*

-14.1 ,

-14.5 -

G j -14 s

=14.4 a g w 3 -14.5

-14.5 NN ,

-14.7

-14 .S '

'14.5

-a

=15.1

-15.a  ;

-15 3 0 30 40 Elepoed Tino Chows)

O laomered Level + Menewed Recreestea

• Osiculated Level 9 g

• g

.f i, J . , . . , , ... .

ar. * , :(,,'<

g ,,sp,, ;, . ;g,,.; ,,

, a. . .  :

,,.37 .

eh . '< 4 : . , , ,

.p t s ,os. t i. Fa n ;ly ,3 4.pl,y, ,,, , . ;g. ,y yy

, - i <. L.i%J.,s.. ,. 4 , .

~ v

Estimation of SFP Heat Up Rate incorporatin0 Actual Plant Data & Thermal Losses YRC 991. Rev.1

'g Prepared By '"tEL. ' Reviewed By January 144993 Pa0e l

l Figure 7 SFP Evaporation Test (August 1992)

.PP Level vs. Ylee - Test 5 at 100 P 11.4

-is.s .

,:,::, x x 1 N N o

.,i. x x g j .k

"\

N N

x

.u.

~

h N 1

. u .,

i i

-u.4

-u.s k \

-u ..

-u.r N",

-u a , ,

.lepeed Ties CluMre)

O Insecured Level + lauseered fleOreselee

• Csiculated Level e

f.?? . . .. . -

.. ~ ;,

9

I

, . . _ . - . _ l

\

Estirnation of SFP Heat Up Rate incorporating Actual PfarW Data & Thermal Losses YRC-991 Rev.1 January 14.1993 Prepared By M Reviewed By Page 3i Figure 8 i

SFP Evaporation Test CAugust 1992)

Meeswed Antes vs. Temp Call teste)

R.4 '

E.8 4..

y e ,.. /

O 1.4 -#

/

8 1.s / l

~

s /

/

0.8 "

0.. = -' [

0.4 #

[ O ,

OS 900 110 180 130 SPP Avere0s tunter Temperature CP) ,

a uneew ed notes + useswee negreeston 4

.s 4 -

% ',l, g A, e

.l ,*_t * ~ A .'tc, t

• 1.?

,. ; ra . s , , u .e ,, 7. ~,. : = L,, .' f*,-ln. ,c 4

<-,w . R?4.u,-

V4l"Y t +- *>

9

L - .

Estirnation of SFP Heat Up Rate incorporating Actual Platt Data & hnnal Losses YRC 991. Rev.1 PreparedBy M O Reviewed By- January 14 1993 Page b >

f Figure 9 SFP Evaporation Test CAugust 1992)

Calculated Instes vs. Temp Call teste) 1.3 1.5 t 1.1 1

O f

/

e 0.9 /

0.s /

/

g h 0.1 l l ... /

0.5 e 0.4 -

r as 1# 110 *l30 qm 8PP AMrece StrLar Temperatere CP)

O Calculated Instee + Csic. flagreselm 4

4 f, ,,

. . .+. . , fa ?. , .

? ;. ., i ,. ,

- weeuw. u , ,

.,4 9 ,

,,,,g.., e ,,3s ,g , -

M-4T/, b. I i us Mla I Q b" l

.m- l r

1

\ R I

. . H i ,

?) 8 x-i

^ I . e g

o  ;

l.a& -

1 hE g i

-}

h3 -

Il , ..

l .

\.v .

l 4

a OO

! b. l

.. . .... .. . .... .... ... .... .... 8 E E- N 5. ,S 2 3 $ $

Mwouo mu uor.cadma

, , e ,)..

1. 1. 9"ge s iV t 'y 6 y *

, #$O *t f .f

'f

.g. .

. - . 3,.. . ,P

] . .

l .

Estirnation of SFP Heat Up Rate incorporatin0 Adual Plant Data & Thermal t.osses YRC 991, Rev.1

.lanusty 14, 993 Prepared By M _ Reviewed By Pace 3 A second evaporation rate spreadsheet (EVAPCHK.WK1) was created from EVAP.WK1 to check the l

comparison of the measured and calculated evaporation rates wth the single suspect data point removed from test 1. The last data point in test 1 (at 18.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />) was rernoved. Figure 11 on peGe 35 shows the

^

portions of the orf0inal spreadsheet (EVAP.WK1) that chan0ed in the revised spreadsheet (EVAPCHK.WK1). A new Incar re0ression was performed for test 1 usin0 the remaining data points to determine new measured and calculated evaporation rates. A new Inesr regression was also performed usino the revised measured and calculated evaporation rates vs. temperature. The resulting equations are:

Measurect Eugpornidon Raid = (0.02214 O daU - F)(SFPL., i.iure) - 1.7952 day Cakulated Evqporaffan Rafe = (0.02423@)(SFPterrtperature)-2.0721 day The results of the revised analysis, wth the sin 0le suspect data point removed, are shown in the table t>elow.

J Test Av0 SFP Measured . Calculated Evaporation Rate Evaporation Rate Temp Evaporation Evaporation Rate from Measured from Calculated 3

)

(T) Rate (inchMay) (inrNday) ReGroselon Regression l

- (ineday) (inchMay) i 1 134.73 1.5109 1.2197 1.1882 i 03225 1.1926 2 127.62 0.8163 1.0208 1.0285 i 0.3912 1.0179 f 3 119.32 0.5528 0.7847 0.8470

• 0.3128 0.8192 4 10834, 0.8219 0.5545 0.0038

• 0.3991 0J532 5 101.00 0.8089 0.3000 0.4413

• 0.5356 0.3753 A revised plot of the measured and calallated level vs. time for 16st 1 is shown in Figure 12. Comparisons of the revised incar segreselons for the measured and calculated evaporation rates vs. temperature am I

~

shown in Flouros 13 and 14. Floure 15 compares the measured and celaulated evaporation rates vs.

tenperature with the suspr;t data point removed, including the 96% confidence interval on the measured evaporanon rate,.

Inspedlon of the fl0ures and the table above Indicate that the removal of the suspect data point groepy 9

g 9 4

. ' . d y ew

• I

,,,. ~ .e 9. ~ y<f fj&p,y vw

. ,o. ,

- ;9&.' g.,g%g.,p,-;g,q pyf' . .,f.*gm q.g ..j }., .l

,,. . . . ,,.. ... %., f'.

. . c . yQ.*

. , 3,. . s g.,

,..... 3..

V.h &%'A l1 s. - .'. ..w, y&,ei t s

. l. , ,.,l

t Estimatbn of SFP Heat Up Rate incorporatin0 Adual Plant Data & Thermal Losses YRC 901, Rev.1 Prepared By Y January 14, Reviewed By Pa0e 3 Improves the a0reement between the measured and calculated evaporation rates, in fact, the measured and calculated evaporation rates are almost identical with the suspect data point removed. As before, the calculated evaporation rate falls within the 95% confidence interval on the measured evaporation rate, indloatin0 that the calculated rates provide a Good appro x imation of the adual evaporation rate. These results validate the calculation of evaporation rates as discussed in Appendix A of YRC-001, Rev. O.

l l

I 8

e 8 9 9

e g

• pf P

, hb. s n* E

(, . k, u.

sh 4'e s

r. , -;7- .

i Estimation of SFP Heat-Up Rate inootporatin0 Actual Platt Data & Thermal 1.osses YAC-991. Rev.1 January 14 993 I

g em w R.~ ~ n e.0

! FIGURE 11 Evaooration Rates with Susoect Data Point Removed - Soreadsheet EVAPCHK.WK1 Test i at 135're opent rues . tit sveperetten = cesperlesa et Astuet 6 cateuteted sveporetten setes (in nel sta/de Elepeed las!de Water its irl (FI (la met gia not sin met art Air waper calcute[ed Air Ata Vapor Presa et Vapor Prese et frees = Numidity Evaporetten este Nours Nualetty Temp Terp Prese err Water Temp arf Air Temp Correstee Mete e/4/92 e 92 134.15 91.2e 24.9336 S.eS27 1.4e04 1.3416 1.1606 6 el 135.e9 92.29 24.9316 5.1800 1.5270 1.2940 1.22e6 12.42 04 134.94 07.et ie.9316 S.1624 1.3293 1.1166 1.2121 Avere,e= 1.217e Eft 3) (tal Elepoed (la) (r) 19814) (ft3/1bl err fini level ital art Water Ata Water op Water Level Corrected from Celeuteted Date Nowre Level Temp Press Volume Velmas for Temp Chenee meeseestes Level e/4/92 e =12.828 134.15 14.21e4 e.elett 19466.4 12.625 =13.604 =13.626 4 =13.063 135.e9 14.8100 0,01627 19471.4 =13.953 =12.986 =13.923 82.43 =13.See 144.96 St. ales e.8142719478.7 =13.406 =13.3ee *13.356

\

Measured Eveporetten Rate = 1 cateviates aveposettaa mate = t 91 9 tach e49# / der ineh/ser

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Summarv of All Five Testet opeat fuel fit 8vaporetlea a Overall Resulte tall 3 teste) tra lin/ days (ta/ days tin /ders (in/ days Avg Messered aste tres celeuteted sete gram err svaperettee teneeered Eveperetten Celeuteted fema este meeression pote meeressten

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134.73 1.51 9 1.1e42 1.2197 1.1938 1 127.82 e.e863 1.elet 1.elee 1.et?9 119.32 e.6Ste e ette e.1641 e.,etti tee.H e.4219 e.6038 e.S$4$ O.5532 tol.ee 0.6049 e.4413 0.39e6 0.3833 ,

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Estimation of 8FP Heat Up Flate incorporatin0 Adual Plant Dats & Thermal Losses YRC 901, Rev.1 January 14 1993 Prepared By I Reviewed By ' Pa0e ')

Figure 12 SFP Evaporation Test CAugust 1992)

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I Estimation of SFP Heal-Up Rate incorporating Adual Platt Data & Thennal Losses YRC001 Rev.1 l 1993 Prepared By E Reviewed By January 14, Pa0e S Y

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Estimation of SFP Heat Up Rate incorporating Adual Plant Data & Thermal Losses .YRC-991 Rev.1 January 14,1993 Prepared By I Reviewed By Pa0e 39 Figure 14 SFP Evaporation Test CAugust 1992)

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l Estimstion of SFP Heat-Up Rate incorporatino Adual Plant Data & ThermalI.osses YRC 991, Rev.1 January 14,1993 Prepared By ~ DEL Reviewed By Pa0e 4/

4.2,3 Estimation of Decay Host Level Now that the evaporation rate' calculational method has been verified by experimental data, the decay heat level durin0 the SFP heatup test from July 30* to Au0ust 4*,1992, wNl be estirnated. The decay heat wbl be settmated using the same method as YRC 991, Rev. O. The temperature vs. time data during the heatup wel first be examined for removal of questionable data points. The heatup rates durin0 the test wls then be determined. The avera0e heatup rate between 84 and 100 *F wlR be correded for thermallosses due lo evaporation. conduction, and convection. This avera0e heatup rate wil then be used to estimate the decay heat durin0 the test period.

The first spreadsheet used for the decay heat determination, HEATUP.WK1, is shown in Figure 16. This spreadsheet contains the SFP water temperature data taken during the test (from Table 4 of Ret 3). The first two colurnns give the'date and elapsed time from the beginnin0.of the heatup (at 11:04 AM on July 30,1992). Columns 3 throu0h 13 contain the temperature readinOs from the 11 thermocouples under the SFP water surfsos. The last two columr.s provide the avera0e and maximum temperatures et the thermocouples at each point in time.

The temperature vs. time data in HEATUP.WK1 was examined for questionable data points usin0 Lotus plots of each thermocouple vs. time (plot names TCxxTEMP, where xx is the thermocouple nurnber). E10ht data points were found that exhbited a drop in temperature or no increase in tarnperature as the heatup progressed. These data points aN occur between.23.25 and 30.23 elapsed hours and are underlined'and shown in bold type.in Floure '16. .

Inspection of the strip charts containin0 the recorded temperatures during the healup test showed that five of the data points exhbitin0 no increase of a drop in temperature were actualy tranec@tlon enors made in creating Table 4 of Reference 3. These data points were replaced with the corred values from the strip charts in spreadsheet HEATUP2 WK1 (see the bold undertned data points in Fleure 17). The remaining 3 questionable temperatures aE occur at 28A7 hours, inspedion of the strip charts indicates that there may have beren a problem with the recorder at that time. Therefore, aR of the data at 28.47 hours5.439815e-4 days <br />0.0131 hours <br />7.771164e-5 weeks <br />1.78835e-5 months <br /> was deleted in HEATUP2.WK1.

The first table of the second spreadsheet, HEATr.JP2.WK1 (Figure 17), is identlost to the temperature vs.

time table in HEATUP.WK1 (Figure 16), except that the questionable tavnperatures have been corrected h orremovedasdismosedabove.

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Estirnation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal 1.osses YRC-991 Rev.1

~ January 14.1993 Prepared By N.- Reviewed By - Pa0e O FIGURE 16 SFP Heatuo T===rature correctiona - Screadaheet HEAttfP .lfM1 Speat fuel fit leestup = tre tietes Temperatisse (t)

Slapsed .

Date 18eute 1C-2 TC-3 TC-S TC-4 M-? TC-9 ,TC-10 TC-11 TC-13 .TC-13 TC-14 Averste Maalaum 1/ H/92 0.00  ??.50  ??.S0  ??.90 77.90  ??.90  ??.40  ??.40 n. 30 77. H 10.80  ??.90  ??.60 10.50 1.60 11.90 10.00 10.20 10.10 10.20  ??.60 17.10  ??.60  ??.60 10.00 10.40 10.01 10.00 S.tS 19.70 19.30 19.50 19.40 19.30 10.90 10.90 19.20 19.00 30.30 00.20 19.30 00.34 4.10 00.40 80. 60 00.00 40.10 00.40 30.80 00.10 00.40 00.20 01.40 81.30 80.56 08.40 0.40 St.SG 01.00 08.50 01.90 02.80 08.30 01.80 01.90 31.60 02.90 02.60 el.9S 08.90 10.32 02.60 02.70 03.10 03.00 03.10 02.10 02.00 03.10 02.90 04.30 04.10 03.13 04.30 18.78 03.*9 03.10 04.10 04.30 04.10 03.60 03.00 04.10 03.90 85.30 05.10 04.12 03.30 t/31/93 13.49 04.10 94.90 95.30 08.30 09.30 04.00 05.00 08.30 09.30 06.80 06.30 08.33 06.84 19.00 03.60 OS.90 00.30 06.30 46.40 09.00 06.00 06.30 06.10 07.60 07.30 06.31 81.66 16.10 06.60 64.00 07.40 81.30 07.30 06.90 07.00 07.40 07.20 08.50 08.40 07.34 08.50 30.33 01.60 01.00 00.30 08.30 08.40 07.00 00.10 08.40 00.30 09.50 09.40 30.36 09.60 19.91 08.40 40.90 09.30 09.30 09.30 00.00 08.00 09.30 09.80 90.u 90.30 09.32 90.50 31.92 09.00 09.90 90.30 90.30 90.30 00.90 90.00 90.40 94.30 . 91.40 91.30 90.35 91.40 33.38 90.00 91.00 91.40 91.40 91.40 91.00 91.30 91.40 91.30 92.50 90.55 92.80 u.00 91.90 92.10 98.10 '93.30 92.60 98.30 . 93.60 09,17 93.60 26.60 92.00 93.00 . . . 93.10 93.20 93.60 93.40 94.10 94.60 93.52 94.10 20.41 93.00 94.00 94.00 94.00 93.90 93.60 93.70 93.00 9 40 93.90 94.40 30.23 94.90 95.60 95.60 SS.S0 95.30 93.40 95.10 . . . 95.31 96.00 34.01 96.00 . 96.50 96;60 94.60 98.30 96.40 94.00 94.60 97.00 97.70 94.66 97.00

. u.Si 97.00 97.20 97.50 97.60 97.10 97.20 91.30 97.60 97.80 90.70 98.60 91.03 99.10 39.20 90.00 90.10 90.60 90.60 90.60 98.30 90.40 90.00 98.60 99.00 99.60 90.68 99.00 36.03 90.90 99.30 99.90 99.50 99.70 99.10 99.30 99.70 99.60 160.70 100.80 99.99 100.7 uun u.n no.n, in. 0 40.n 99.90in.a in.= us.a we.40 n.o n.40 ue.u - 300.a in.iGgei.00 iOO.a u0.u at.o ut.a in.a in.n ui.a uin.i i . o. u 11:!! lil:n lii:n !!!:n lii:n lu.oit:nl00.00 i!:n 111:8181:!! 181:18181:18181:18 45.33 103. 0 303.00 304.20 304.,0 304.20 103.00 303.90 304.30 104.30 105.30 309.30 304.25 305.30

lil.l1 t:18leI.n 46.17 104.60 104.90 105.20 105.20 105.40 104.70 104.00 105.20 105.00 106.30 106.10 105.21 106.20 40.4? tes.60 ses.00 ses.30 306.30 300.30 tes.10 tes.00 tes.te 30s 90 301.10 10?.00 106.33 101.38 S0.10 106.60 106.70 106.90 106.90 106.f0 106.50 106.60 106.90 106.70 101.90 107.10 106.94 107.90 31.73 107.60 101.60 101.90 107.90 107.00 101.40 107.50 107.00 101.60 100.70 100.60 107.05 104.10 83.43 100.30 100.60 100,10 400.10 100.70 100.30 100.40 104.10 100.80 109.70 109.80 104.78 109.10 53.01 109.30 109.40 109.19 109.70 109.00 109.30 100.60 109.80 109.40 110.80 110. H 100.08 lit.a 86.64 110.M 110.30 110.10 110.60 110.50 110.30 110.30 110.40 110.M 111.80 111.30 110.87 111.60 St.32 880.90 111.10 111.50 118.40 111.60 111.00 111.10 111.40 111.30 112.80 112.30 111.43 113.60 69.98 148.10 111.00 118.30 118.30 112.30 111.90 113.00 112.40 118.30 113.40 113.30 113.30 813.40 0/2/92 61.63 182.40 lit.80 113.00 883.00 113.00 H 2.70 112.90 113.H 113.10 114.30 114.30, 113.13 114. H 63.25 u3.30 113.40 113.00 113.00 113.00 113.40 113.70 114.30 113.90 118.10 114.90 113.95 118.10 64.00 113.90 114.10 114.60 114.60 114.60 114.30 114.80 114.90 134.10 115.90 115.70 114.10 115.90 66.H 114.00 114.90 115.40 115.40 115. H 115.10 118.40 115.10 118.84 116.40 116.80 116.51 114.60 40.33 115.60 115.10 116.10 116.10 116.10 116.00 115.90 114.30 116.10 117.30 117.00 116.16 517.30 69.05 116.40 116.90 116.00 116.00 116.00 116.60 116.40 116.n 114.60 117.70 111.80 116.03 117.70 11.55 117.30 117.40 117.00 117.10 117.70 111.40 117.40 $17.64 111.40 118.40 }10.20 1$1.64 180.40 13.10 118.50 118.50 110.00 110.70 110.$0 110.20 110.30 110.60 110.20 119.M ste.90 110.60 119.30 14.08 .119.50 119.30 ut.8 119.40 119.40 119.00 119.40 119.10 1M.20 119 119.40 120.30 a.u ut.u ut.n in. 0 tu.a in.= ut.n l19.10u.a ut.n ut.00 us.u u0.90 in.u ni.it n:H !!!:n !!!:n lil:n til:n !!!:n !!!:n !!!:n Hl:8 !!!:n 111:8 IH:n u.a n,.a u u u3.a in.

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Estimation c( SFP Heat-Up Rate incorporating Adual Plant Data & Thermal Losses '

YRC 991. Rev.1 January 14.1993 Prepared By ~bE Reviewed By Pa0e 8/3 FIGURE 17 Estimation of Decay Heat - Spreadsheet HEATUP2.lfMJ, speet rest Ht tiestep - str Wetw Temperature tr)

Blapeee Date Iseure TC=2 TC-3 7C-5 7C-6 7C-1 TC-9 TC-10 TC-11 TC=13 1C=13 TC-14 Average Ileatawn 7/30/93 0.00  ??.80  ??.50  ??.90  ??.90  ??.90  ??.40  ??.40  ??.30  ??.30 10.80  ??.90  ??.68 70.80 3.68  ??.90 74.44 14.30 10.10 18.30  ??.00  ??.78.  ? ?. 60  ??.64 10.00 70.40 10.01 18.00 S.lt  ?$.#e 19.34 19.60 79.40 79.30 18.90 78.94 19.30 10.00 40.30 30.30 19.3e 80.30 8.7e 80.49 Go.S4 80.00 09.10 06.44 40.10 e8.40 04.40 00.30 41.40 08.30 40.84 e8.40 0.40 08.50 el.e4 08.10 el.90 82.30 $1.30 81.50 31.90 01.60 02.90 88.00 e1.98 03.90 10.13 02.60 e2.70 03.10 83.90 - 03.10 02.10 et.e4 e3.10 02.90 04.30 44.10 e 3.13 04.30 ll.?S 83.S0 83.10 04.10 e4.30 84.10 03.40 03.00 04.10 0 3. D0 85.30 88.10 e4.13 e5.30 1/31/93 13.4S 84.10 84.90 85.30 81.20 '05.30 04.00 05.00 es.30 85.30 86.50 0 6. = el.33 ed.50 15.00 el.60 08.90 e4.30 04.20 e6.40 45.00 e6.00 06.30 e6.10 s?.50 . e ?.= e6.31 e?.50 16.10 04.60 06.00 07.40 41.30 07.30 06.90 07.00 07.40 31.20 08.50 09.40 07.34 04.30 10.33 81.60 e?.90 se.30 es.30 es.40 87.90 so.te e4.4e es.30 09.80 so.44 se.36 s o. 84 19.97 80.60 00.90 09.30 09.30 09.30 88.90 89.80 09.30 89.30 90.80 90. = 89.33 90.50 28.43 09.00 09.90 90.30 90.30 90.30 09.90 90.00 90.40 90.20 91.40 91.30 90.38 91.40 33.83 90.00 91.00 91.40 91.40 91.40 91.90 91.30 91.40 91.30 92.80 91.4 92.60 34.00 91.94 98.10 98.10 98.30 92.60 98. H . 93.80 93. 8 93.00 26.Se 92.00 93.00 . . . 53.10 93.39 93.80 93.40 94.10 94.64 93.88 94.70 30.33 94.90 8 98.60 95.60 95.80 9S. H 95.40 95.10 95.60 96.00 96.50 95.65 94.04 31.01 96.60 . . 96.50 94.60 96.50 96.20 96.40 96.00 94.60 97.s0 97.70 94.64 97.se 33.81 97.00 97.30 81.= 97.60 97.70 97.30 91.30 91.60 97.50 98.18 98.60 ' 97.83 90.10 36.99 94.00 98.50 te.40 es.se 90.60 08.30 94.44 94.40 se.se 99.09 99 90.66 99.00 34.83 08.90 99.80 96.Se 99.60 99.10 99.49 te.se 99.16 09.64 lese te l a.64 ste 99 108.70 8/8/02 30.83 99. H 800.10 100.40 100.50 100.50 100.10 100.34 100.50 100.40 101.60 101.40 1008269 let.64 40.17 100.90 101.10 101.40 101.40 101.40 100.90 101.00 101.40 101.20 102.30 102.10 if . 31 102.30 41.00 101.00 102.00 102.40 102.80 103.30 102.00 102.10 102.50 102.30 103.50 103.40 103.44 103.50 43.50 102.10 102.90 103.40 103.30 103.30 182.90 103.00 103.40 103.30 104.50 184.30 103.35 104.80 43.13 103.60 103.00 104.30 104.30 104.30 103.00 103.90 164.30 104.18 105.30 145.30 104.39 105.30 46.?? 104.40 104.90 105.30 105.20 105.40 104.70 104.00 10$.20 105.00 104.20 106 105.21 106.30 a .o u t. a i n .a a 6. a t u .i0 a6.a in.n us.a in.a al.a af.a ut.10 in.a ut.a if:11 lit:t! !!!:n lit:11  !!!:18 it!:n it!:n s.= 18t:18181:18 lif:n !!!:l!at..

lii:n in.u ill:li lii:41 G n.n ut.= i n.

u.n u.n u . at.a u.a u.t.= ne n0.a .

lu:a n..,n iet us.n n us.80

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.alu = =111.u .a lu.=a.=ll0.n w9.n i.a11u..= n u.n in.n ui.a ns.n ns.a ut.n in.= ut. 0 ut.a in.n us.a u3.= in.= u3.a O/2/92 61.62 112.40 lit.H 113.00 u 3.00 113.00 112.70 112.90 u 3. = 113.10 114 = 114.30 lu.13 114.=

63.25 113.30 113.40 113.00 113.00 113.00 113.64 113.10 114.30 113.90 115.10 114.00 113.98 118.10 44.04 113.90 114.10 114.90 114.60 114.60 114.= 114.80 114.90 114.10 118.90 118.70 lu.10 118.90 64.54 114.00 114.90 118.40 115.40 118.30 118.10 118.40 113.70 118.50 116.40 116.80 115.11 116.40 H.32 118.60 116.70 116.10 116.10 116.10 113.00 118.90 114.30 116.10 111.30 117.00 110.16 117.30 49.0S 116.40 116.50 116.00 116.00 116.00 til.H 116.60 u 6.90 116.60 117.10 117.90 116.03 117.70 11.88 117.30 111.40 117.00 117.70 117.10 117.40 117.40 117.00 117.40 118.40 110.89 117.64 140.40 73.10 118.90 114.60 11e.80 110.70 110.80 118.30 110.34 118.a 118.30 119.30 11e.00 110.00 119.=

14.02 119.10 119.30 119.80 119.40 119.40 119.00 119.18 119.40 119.10 130.34 ut.M 119.40 130.38 16.82 S H.10 830.39 134.40 139.40 130.30 119.90 130.10 138.30 130.00 131.10 130.H 1H.H 131.18 78.16 131.00 141.34 131.44 131.40 131.30 129.10 13e.84 131.10 130.90 132.00 131.78 131.33 132.00 19.u 131.60 131.70 132.00 122.00 121.90 121.50 291.40 121.90 121.70 123.00 122.10 131.96 123.00 e1.48 183.40 188.Se 188.00 133.e4 132.10 123.40 132.se 132.90 133.70 133.90 Sta.co 133.e5 133.9e 83.10 123.30 133.40 133.10 123.60 123.80 133.10 133.30 123.80 133.40 124.10 134.80 183.62 134.78 04.13 133.90 1M.10 124.40 124.30 124.30 123.00 123.90 124.30 124.10 128.30 125.00 124.39 125.30 0/3/93 86.43 134.60 134 88.07 128.34 138 10135.70

.40 135.00 125.00 138.70 135.00 138.60 188.30134.50 138.40 134.60 138.70 134.M134.80134.10 136.00126.00 136.60 138.00 130.13124.M 124.40136.00 49.70 125 124.00 136.40 126.30 126.00 126.10 124.40 126.30 137.80 137.M 136.41 121.90 n.n u. 90 in. u 6. = 126. 40uu6.=

. . u6.n in.n u?.= ut..e us a Sn... u? n tu.a H:n u,.n lii:n in:l.!

in..

9 .a ut.= ut.= ne.9 In:n iu.u lii:n.

ut.. lii:n u t.. lii:n.

u.. in.:.n u . Sn.

n.. u t.. ut.= ut.= ut.= ut.. in..= io.=n. 1=.

in:n. lii:n. in:n ut.. in:n Iu.lii:n in:n ut.nn. in.=

n.= in.= in. 1=.a 1=.. in.a ui.= in. in.a in.a in.n in.. in.= in.a su.=in.= i n.a u i. . i n. a i n.=

in.. no..in.n us.a ui.=in.in.. ni. in.n in.a in.=in.n ni.=ue.= in.a in.a in.=in.Sn.a in.= in.n in.a in... in.= an. in.a in.u iu.a n.n in..

in.a. in.=

in in.. in.=

in.a in.a in.a n.= in.n u3.a in.n in.

in.a.in.n. in.w in.=

n. n.ain.nin.aSn. win.nJu.alu.=IH.ain.nlu.o 8/4/92109.H 1H.10 1H.H L34.50 1H.40 1H.M IM.00 1H.10 134.80 J4.40 133.40 13S.40 1H.90 1H.60 n..e n.n u.= H.= n.n H.=

18.18 ' H.Se S H.te sat.ee tat.se 138.00 t H.6e 1H.se 138.se I M.se 134.30 1 H.ee 138.es 13e.se it.?e ' 38.10 133.30

,34.90 136.19 135.64 138.60134.10 136.H 134.30 135.90139.79 135.30135.80 138.40136.08138.101H.90138.80137.H 1=.sea37.00

} M.40136.00 135.64137.39

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Estimation of SFP Heat-Up Rate inocrporating Actual Plant Data & Thermallosses YRC-991, Rev.1 Prepared By Y Reviewed tJy a0e FIGURE 17 (contiataedT Estimation of Decav Heat - Screadsheet HEATUP2.WK1 Average Temperature Over Time Interval Elepeed Date Noere TC-f TC-3 TC-S TC-6 1C-7 1C-9 1C-10 TC-11 TC-13 TC-13 TC-l4 7/30/93 f.00 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.60  ??.10  ??.75 10.05 10.00 10.05 11.80 17.85 11.45  ??.45 10.45 10.15 i S.ll 18.SS 78.48 70.05 10.1S 70.75 78.25 10.30 70.40 18.30 19.S$ 19.30 j 6.18 79.80 19.90 80.1$ 00.0$ 19.85 19.50 19.80 19.00 79.60 80.05 00.10 '

.o a.n u.a n.n n.a n.= u.= 00.a n.a .. n.n u.a 1 10.17 82.03 02.33 82.60 02.43 82.45 82.00 82.15 82.50 82.25 03.40 03.45 11.18 03.05 83.30 83.60 83.60 83.60 53.18 03.30 83.60 03.40 84.72 e4.60 1/31/92 13.45 04.10 04. 30 84,10 04.10 84.10 84.30 04.40 84.10 04.SS OS.05 88.10 15.00 08.18 05.40 05.80 85.70 08.85 85.30 05.60 08.80 48.6S 01.00 46.00 16.10 04.10 es.35 84.0S 84.18 06.06 86.39 46.30 e6.05 46.68 04.00 07.06 10.33 01.10 et.38 st.s3 st.80 st.e4 31.40 07.85 47.90 01.70 e9.00 88.90 10.91 Seelt 90.40 04.00 80.00 84.00 44.40 08.8S 80.05 08.10 90.00 49.86 31.62 89.30 09.40 89.00 09.00 88.16 89.60 86.80 et.05 08.10 90.99 fe.se i n.n 90.30 m.o n.n 90.n u.n n.n u.a 90. n u.n 92.00 91.00

n. 0 93.10

n. 90 93.00 1

24.00 98.35 91.85 91.90 91. 90 91.90 91.55 91.10 26.88 92.39 92.55 92.90 92.95 92.90 92.60 92.10 93.19 93.05 94.15 94.08 30.23 93.05 94.0S 94.50 94.55 94.45 94.20 94.30 94.55 94.50 95.15 95.60 31.01 95.45 5 95.90 96 97 97.15 an.S, 9. 80 95.,65 90 . 0 96,.05 9 .00 96,.10 9 .10 96,.00 9 .ie 95.1,0 9.. 9...S 9,6.25 9.0 9,.10 0S 90.,30 9 9 .15 I n

.m n u.n n:n n:n n:n n:n n:n H:n n:n n:n n.:n n:n n:n la:n u.a 99.n 99.n a0.00 100.n 99. a 99.n a .a 99.n in.a 98 I a.n ae.a ut.60 as. . 300.98 at.n a0.# in.o at.n a0. in,.n in.n )

in.= In. 0 us.a in.o in.n in.n a .,00 ei. 0 10s.38 ici.SS ici. 0 303.9 301..S 301.48 ici.SS iti..S 101 6 10 . 90 103.18 .

u.a in.n in.n .n in.00 n3.n 48.13 10J.15 103.35 103.00 103.15 103.15 103.38 103.45 103.06 103.68 104.90 104.00 44.17 toe.le te4.3s 304.70 1e4.10 led.s0 104.38 104.35 tot.?S 104.55 148.18 10s.10 40.47 105.10 105.35 105.65 105.65 105.75 105.30 105.30 108.65 109.45 106.65 106.35 38 >

0 50.10 St.73 107.10 106.10 101.15 106.35 101.40 106.80 101.40 104.60 10".35 10f.50 104.93 S3.43 101.95 100.03 104.30 100.30 1C0.35 107.05 107.95 108.25 108.05 109.20 109.05 58.01 100.00 104.95 109.30 109.M 109.*5 104.13 100.05 109.10 100,95 110.10 199.90 84.60 109.00 109.03 110.30 110.18 110.05 109.10 109.18 109.98 109.05 111.00 110.00 u.32 110.60 110.10 111.10 111.00 111.00 110.60 110.45 110.90 110.18 112.00 111.80 106.10 107.05 104.30 107.35 104.80 107.15 106.)0 107.80 108. = 100.101'15 l l

)

l 89.95 111.30 111.45 111.05 111.00 111.05 111.48 111.88 111.90 111.70 113.98 113.00 8/2/92 61.62 112.9S lu.18 113.60 112.60 113.60 112.30 112.45 112.05 112.48 113.88 113.75 63.35 113.05 112.95 113.40 113.40 113.40 113.15 113.30 113.75 113.50 116.10 114~55 .

64.00 113.40 113.= 114.15 114.20 114.30 113.95 114.10 114.55 114.= 118.50 118.30 64.88 114.35 514.50 114.95 115.00 114.95 114.10 114.95 118.30 u S.19 116.35 116.18 64.32 118.30 118.30 116.18 118.75 116.70 MS.45 118.65 118.95 115.00 116.90 116.15 60.05 116.86 146.00146.08 114,10117.30 116.45 116.45 116.481111l 114.35 116 $$ 116.38 111.49 $11 SS 11.86 111.35 117.28 98 15 111.00 tu tl ',11.00 ut.06 11T SS 13.18 111.90 118.00 110.30 118.10 111.00 1 110.10 ',11.00 1 u.n ut.a in. n t u.a l10.30u.n ut.n lu.a 117.080.n ut.= uu.n l10.05u.n 118 9.n SS n:n in:n in:n in:n in:n in:n in:n in:n in:n in:n !!!:n lit:n

n. 4.n. in..n i .0 in,..n 1 .it iiin.n

.40 in..n.

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Sn..= 3.45tu.n.S 13.

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4.40 1:3.68 i 5.4 04.4,3 u.0 134. ud.. in.

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ns.a n6.nSn ut.. Sn.a . in.n in.a. no.n St.n n.9 in.

u.n in.n in. 0 in o60n.u.

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&$4.SS 131.90 132.00 132.30 132.38 132.10 131.70 131.75 132.0S 131.90 133.18 138.80 104.10 133 = 132.60 132.98 132.90 132.= 132.40 132.85 138.06 133.19 133. a 133.68 .

lat.03 133.18 133.30 133.64 us.80 133.40 133.05 133.30 133.= 133.49 134.88 13'.38 l 833.18 in.88 luett lu.te 134.90 133.79 133.00 1H.st 134.05 138.35 138.06 I S/4/93i99.88n.a i=.= Su.a su.= iu.= in.= in.= Su.a in.n tu.a in.90 ut.n ,

in:n Ln:n in:n in:n ciln ,w:n til:n in.a ,n.n ,n.= n.= .u.a .n.n .n.*

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O

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Estimation of SFP Heat-Up Rate Gnoorporating Actual Platt Data & Thermal Losses YRC-991 Rev.1 January 14.1993

. Prepared By "M._ Reviewed By Pa08 'M FIGUM 17 (continued)

Estimation of Decay Hett - Screedsheet HEATUP2.W 1 spent real rat Neetup - Ort Neetup mates (t/hrt slepeed Date Nevre TC-2 TC-3 TC-S. TC 4 TC-1 TC-9 TC-10 TC-11 TC-13 TC=13 TC-14 Ave Temp 1/30/92 0.00 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 77.64 1.60 0.24 0.30 0.10 0.12 0.10 0.12 0.16 0.10 0.10 0.10 0.30 10.01 Selt 9.37 0.37 0.37 0.37 0.32 0.31 0.35 9.46 0.40 0.43 0.52 19.30 6.70 0.74 0.14 0.00 0.00 0.67 0.14 0.14 0.14 0.74 0.07 0.01 00.66 0.40 0.8* 0.16 0.76 0.11 - 1.04 0.11 0.02 0.00 0.02 1.00 0.94 01.95 10.12 v.61 0.38 0.61 0.67 0.88 0.05 0.?9 0.73 0.79 0.05 0.19 03.13 11.18 0.99 0.61 0.61 0.14 0.61 0.95 0.41 0.41 0.61 0.88 8.61 04.12 7/31/92 13.fi 0.f' O.71 0.?! 0.59 0.11 0.71 0.11 0.71 0.16 0.16 0.11 08.32 15.C0 P.e5 0.61 0.41 0.61 0.67 0.61 0.61 0.01 0.SS 0.01 0.61 00.31 16.70 0.42 0.54 0.60 0.66 0.49 0.60 0.42 0.60 0.64 0.62 0.60 07.34 10.33 0.61 0.67 0.55 0.41 0.14 0.61 0.67 0.61 0.61 0.41 0.61 00.36 10.07 0.61 0.61 0.61 0.61 0.49 0.41 0.55 0.SS 0.61 ' O.61 0.85 09.32 31.42 0.73 0.61 0.61 0.01 0.67 0.61 0.01 0.07 0.61 0.08 0.01 90.38 23.25 0.61 0.61 0.67 0.67 0.67 0.67 0.14 0.61 0.67 0.74 0.74 91.45 24.00 0.67 0.67 0.68 0.61 0.41 0.67 0.61 0.14 0.61 0.61 0.61 92.50 26.50 0.53 0.83 0.59 0.65 0.$9 0.89 0.59 0.59 0.65 0.45 0.65 93.52 30.23 0.50 0.50 0.60 0.50 0.80 0.60 0.60 0.80 0.60 0.80 0.55 95.65 31.01 0.67 0.47 0.SS 0.61 .0.61 0.45 0.61 0.67 0.61 0.61 0.67 94.66 33.S? 0.59 0.59 0.19 0.59 0.71 0.59 0.33 0.47 0.83 0.33 0.33 97.43 38.20 0.61 0.85 0.67 0.61 0.49 0.61 0.67 0.14 0.67 0.67 0.61 94.65 34.03 0.85 0.67 0.SS 0.SS 0.74 0.SS 0.49 0.85 0.95 0.SS 8.85 09.59 0/1/92 30.83 0.89 0.83 0.83 0.89 0.47 0.49 8.65 0.47 0.83 0.53 0.83 100.82

40. 8 el 0 61 0.61 0.59 0.88 0.49 9.43 0.85 9.49 9.43 0.43 1 01.37 41.}?

we 8 SS S SS Seel 9.69 0.00 9.47 0.07 0.01 0.67 0.14 0 90 9 43.50 0.83 0.83 0.89 0.41 0.89 0.83 0.83 0.83 0.63 0.89 0 m3 : S{s.38 44 45.13 0.SS 0.55 0.49 0.95 0.SS 0.55 0.SS 0.S$ 0.SS 0.49 0 61 184.25 46.?? 4.41 0.61 0.61 0.13 0.58 0.Se 0 0.86 0.86 0.49 tes.st 40.41 . 0.89 0l07 0 63 0.83 0.53 0.41 0.59 0.59 0 84 83 0.83 0.83 0.83 100.12 S0,10 0.41 0.14 0.49 0.49 0.49 0.49 0.49 8.49 9.49 0.49 0.43 106.94 O St.13 53.43 SS.07

$6.60 St.32 0.61 0.41 0.61 0.02 0.37 0.SS 0.83 0.58 0.66 0.49 0.61 0.47 0.61 0.62 0.49 0.61 0.47 0.61 0.84' 0.49 0.58 0.83 0.88 O.54 C.61 0.66 0.83 0.85 0.62 0.49 0.54 0.83 0.55 0.36 0.65 0.88 0.83 0.49 0.56 0.61 0.8S 0.53 0.85 0.86 0.64 0.49 0.89 0.49 0.62 0.61 0.88 107.08 0.83 100,13 0.49 109.03 0.62 110.S?

0.61 111.45 89.98 0.49 0.43 0.43 0.49 0.63 0.85 0.56 0.61 0.61 0.68 0.61 112.30 0/2/93 61.62 0.42 0.42 0.40 0.40 0.48 0.40 0.64 0.64 0.84 0.64 0.84 113.13 63.2S 0.85 0.55 '0.49 0.49 0.49 0.55 0.49 0.55 0.49 0.49 0.43 113.9S

• 64.00 0.37 0.43 0.43 0.49 0.49 0.43 0.49 - 0.4% 0.49 0.49 0.49 114.10 64.50 0.83 0.41 0.53 0.47 0.41 0.47 0.53 0.47 0.47 0.41 0.47 115.51 40.22 0.49 0.49 0.43 0.43 0.49 0.43 0.H 0.30 0.31 0.37 0.30 116.16 69.0% 0.49 0.49 0.43 0.43 0.43 0.43 0.43 4 43 0.31 0.31 0.31 116.03 11.85 0.53' 0.53 0.89 0.53 0.83 0.53 0.47 '0.41 0.41 0.41 0.41 111.66 13.10 0.14 0.14 0.61 0.61 0.49 0.49 0.SS 0.61 -0.49 0.85 0.43 110.60 14.02 0.37 0.43 0.43 0.43. 0.85 0.49 0.49 0.49 0.85 0.68- 0.01 119.40 14.52 0.59 0.83 J.66 0.69 0.83 0.63 0.50 0.47 0.83 83 0,88 8.83 1 90.34 10.18 0.88 0.01 0.49 0.61 0.SS 0.49 0.43 0.88 0.48 0. 0.66 121.33 19.?? 8.31 0.31 0.37 0.37 0.43 0.49 0.49 0.49 0.49 0.62 0.63 121.94 01.40 0.41 0.47 0.41 0.47 0.47 0.53 0.53 0.60 0.50 0.63 0.64 122.05 03.10 0.49 0.56 66 0.40 9.49 0.43 0.43 0.37 9.43 0.49 0.43 123.62 04.13 4.43 0.43 0'43 0 0.43 0.43 0.43 0.43 0.43 0.43 0.37 0.31 184.29 0/3/92 06.43 0.41 - 0.35 0.35 '0.41 0.47 0.41 0.41 0.41 0.35 9.41 0.41 134.00 08.07 0.43 0.43 0.43 0.43 0.37 0.43 0.49 0.49 0.49 0.49 0.49 125.72 09.70 0.37 0.37 0.43 0.43 0.43 0.49 0.43 0.43 0.43 0.43 0.43 126.41 91.33

• 9.25 0.31 0.31 0.31 0.31 0.43 0.49 0.49 0.49 0.37 0.31 127.03 92.90 0.42 0.36 0.36 0.34 0.42 0.34 0.30 0.30 0.30 0.30 0.30 127.60 94.0 3 0.59 0.01 0.45 0.40 0.30 0.30 0.34 0.24 0.24 0.10 0.12 128.11 94.29 0.86 0.49 0.49 0.49 0.S6 0.49 0.49 0.49 0.43 0.49 0.49 120.90 97.90 0.45 0.49 4.43 0.43 0.43 0.43 0.43 0.43 0.43 0.43 0.31 129.60 99.60 0.4? 9.38 0.47 0.41 0.41 0.41 0.41 0.41 0.41 0.67 0.53 130.44 101.32 0.31 0.49 0.37 0.43 0.43 0.43 0.37 0.49 0.49 0.49 0.43. 131.18 102.08 0.43 0.31 0.43 -0.43 0.43 0.31 0.37 0.31 0.31 0.37 0.43 131.70 104.85 0.35 0.35 0.3S 0.41 0.35 9.41 0.53 4.83 0.41 0.69 0.89 132.86 104.10 0.37 8.31 0.43 0.37 0.43 0.37 0.43 0.43 0.49 0.31 0.43 133.22 107.02 0.31 0.37 0.37 0.87 0.31 0.43 0.31 0.37 0.37 0.43 0.43 133.05 8/4/92}00.82 9.41 0.41 0.35 0.35 0.35 0.35 0.35 6.41 0.41 0.41 0.41 134.90 a11.18 0.25 0.31 0.31 0.37 0.43 0.31 0.43 0.43 0.31 0.31 0.37 135.00 112.10 0.31 0.31 0.37 0.31 0.31 0.43 0.31 0.31 0.37 0.37 8.37 135.66 114.40 0.83 0.83 0.41 0.3% 0.38 0.24 0.34 0.10 =0.89 0.24 0.24 1M.00 e '

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Estimation of SFP Heat Up Rate incorporatino Adual Platt Data & Thermal Losses YRC-991, Rev.1 '

January 14 903 Prepared By 'DE Reviewed By Pa0e 1

FIGUM 17 (continued)  !

l Estim.tiori of Dec.y He.t - Spre.d.heet HEATUP2.WX1 {

I spect ruel Fit hatup = Neetup Sete Statistica (F/ht)

Slapse. Hos e me.teesloa Date Noers Minimus Averste Mesimum St. Dev 2 01.ma Av. Temp pate 7/30/92 .... M/A N/A N/A N/A 11.44 i.60 0.12 .N/A 0.30 0.04 0.41 18..

8.16 0.33 . .44 19 . 83 0.06 0.63 19. M 6.10 0.61 0.13 0.00 0.08 0.90 0.54 0.40 . 65 .82 1.04 .li 2.29 e1.95

1. 13 0.55 0.12 68 . 11 1.01 es.is 11.75 0.S5 0.61 0.74 0.0$ 0.03 04.12 0.65 1/31/92 13.4S 0.59 0.11 0.76 0.04 0.05 05.32 0.64 18.00 0.S$ 0.61 0.67 0.03 0.74 06.3% 0.64 16.10 . 49 0.43 0.60 0.06 .. 0 St.34 0.64 10.33 0.SS 0.63 0.74 0.05 0.03 08.36 0.63 it.97 0.49 0.88 .61 0.04 0.69 09.32 0.63

. 21.42 0.SS 0.62 0.73 0.CS M.35 0.62 23.25 0.68 . 60 0.74 0.04 . 0202 91.4 0.62 24.00 . 41 64 0.14 0.04 0.02 92.5.3 26.68 .83 .6 . 48 0.04 93.82 . .6 61 30.33 0.H 0.6 . 02 . .64 13 98.66 0.6.1 31.07 . 65 0.62 0.61 . 04 . 16 H.64 . 60 33.87 . .47 85 0.57 ..?: 0.06 0.03 91.63 0.S9 35.30 0.49 0.63 0.14 0.06 0.07 M.65 0.59 36 e. 14 e.et 90.00 e.se .

n:ll 41.00 0.48::n 0.55

ht

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Estimetion of Deety Heet -

Screedoheet HamTtfP2.WK1 09ent ruel Dit meetut = fr9 Ambient temper 0tutet (rl Elepted - Above W0ter ==. Room Date house TC=1 TC-4 Oet0100 1T*G TC-IS M1 steam Averete Mestava Temp 1/30/92 0.00 ' T2.90 12.90 71.30 12.10 11.30 73.30 72.90 1.60  ??.20 78.20 73.30 14.50 73.30 75.05 17.20 S.15 16.90 16.10 78.10 16.50 75.10 16.30 0.10  ??.10 76.90 76.90 TS.20 76.80 15.20 14.43  ??.10 0.40 7S.10 15.80 13.60 15.40 73.40 75.05 18.70 10.12 73.70 73.50 11.40 73.30 71.40 12.95 73.70 11.15 13.60 13.40 10.50 11.90 ' 70.60 71.08 73.60 7/31/92 13.48 11.40 11.40 69.10 SS.??

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70. 90 53.90 10.10 50.70 70.33 71.50 84.04 31.61 12.00 12.20 09.50 71.10 49.50 11.30 72.20 23.25 72.70 12.00 SS.02 10.20 71.10 10.20 71.05 72.00 84.44 34.00 12.90 73.37 09.90 11.00 69.30 TJ.00 13.30 26.30  ?).30 13.50 10.30 08.90 11.70 10.30 12.33 73.60 87.05 30.33 14.00 14.00 11.60 12.50 11.60 73.33 31.07 14.00 ?S.10 74.00 50.00 12.00 12.90 12.00 13.10 18.10 80.00 33.51 79.60 76.30 Tf.10 93'.50 12.10 79.3S 93.00 35.30 15.70 14.50 72.00 St.00 73.60 12.00 14.65 76.00 80.0S 34.03 16.20 14.90 13.90 73.60 73.60 75.18 76.90 0/1/92 30.53  ??.50 70.10 59.93 73.60 74.10 73.60 75.03 10.10 61.07 40.17  ??.00 70.00 74.30 14.10 14.10 76.25 70.00 44 00 17.60 70.90 13.60 74 00 73.50 79 19 48 40 10.70 10.70 14.00 Ts.00 78.90 45 la  ??.30 19.20 13 90 70.04 te.f4 14.20 74.10 14.10 76.20 79.30 46.??  ??.00 04.30 74.90 74.60 14.60 ??.70 04.30 40.47 10.80 90.90 75.40 74.00 14.00 "$1.90 94.90 9 50 10

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I Estimation of 8FP Heat.Up Rate Incorporatin0 Actual Plant Data & Thermal Losses YRC401, Rev.1 January 14 993 Prepared By ~hE Reviewed By - , Pa0e-FIGURE 17 (coat;iased)

Ettimation of Decay Heat -

Screadsheet HEATUP2.WK1 Opent fuel pit Noetup

• Messered Neetup Rates (94

• 100 rp Elepeed Date Mours Ave Temp TC-3 TC-3 TC-S TC-4 W-? TC-9 TC-10 TC-11 TC-13 TC-13 TC-14 11.?S 84.12 0.59 0.61 0.61 0.14 0.61 0.88 0.61 0.61 0.61 0.8S 0.61 7/31/94 13.45 05.32 - 0.11 0.?! 8.?! 0.59 0.71 0.11 0.71 0.71 0.14 0.16 0.?!

13.00 06.31 0.55 0.61 0.51 0.61 0.47 0.61 0.61 0.61 0.53 16.70 07.34 0.02 0.36 0.61 0.61 0.60 0.60 0.49 0.50 0.62 0.60 0.60 0.62 0.64 10.33 06.36 0.61 0.47 0.nl 0.6h 8.14 0.61 0.61 0.61 0.41 19.97 09.38 0.61 0.01 0.81 0.61 0.49 0.6% 0.61 31.68 0.01 0.50 0.84 0.61 0.61 0.88 90.38 0.13 0.01 0.48 0.61 0.67 0.41 0.61 0.87 0.61 0.96 0.61 33.36 91.48 0.01 0.67 0.61 0.41 0.67 0.67 0.14 0.41 0.67 0.14 l

. 34.60 $3.50 0.41 0,07 0.01 0.14 l 0.41 0.61 0.67 0.61 0.14 0.61 0.61 0.61 l u.n 83.52 0.83 0.n 0.u 8.45 0.u 8.te 0.50 0.00 0.6s 0.n 0.n 30.33 SS.65 0.50 0.50 0.60 0.50 0.80 0.60 0.60 0.80 0.60 0.50 1

31.01 96.66 0.67 0.67 0.55 1 0.55 0.61 0.61 0.55 0.61 0.67 0.61 0.61 0.41 31.S1 97.63 0.59 0.59 0.69 0.59 0.11 0.89 0.S3 0.47 0.83 0.83 0.S3 33.30 90.65 0.41 0.S$ 0.67 0.68 0.49 0.61 0.67 0.14 0.67 0.67 36.03 29.59 0.SS 0.61 0.61 0.55 0.SS 0.?4 0.55 0.49 0.55 0.SS 0.55 0.55 0/1/98 30.33 100.52 0.59 0.33 0.83 0.39 0.41 0.39 0.65 9.41 0.93 0.83 0.43 Avetete Meetup potes e 0.01 0.08 0.01 Sett Self 0.01 Sett 0.08 0.01 0.04 0.01 Overall Averete = 0.4148 r/hr Stenderd Deviation = 0.0420 r/hr spent ruel pit meetup - Thornet 1,essee (84 - 100 r3 fra (fl err (in Nel (in NO l (STU/ art (STU/hr) . (MU/ (r/hrt veper vapor (in/ der) Cond cond (STU/hrt (STU/h:3 lb-rl meetup tlapsed Water Air t%) Dreet Drees Swap (BTU /lb) (STU/hr)

Date Mours Av0 Temp Temp Naldity (weter) (alt)

Evap Lesses 84eees Cent Total Speell10 Sete hte 5-fg Lossee Above 8010w I,000e8 Iestes teet. Cert.

G 1/31/92 11.75 13.45 15.00 04.12 05.32 06.31 11.90 10.90 69.70 89.52 1.1794 0.4692 C.72331046.03 20014.S 7214.9 9070.0 4707.3 510H.6 0.9900 0.0482 60.93 1.2240 0.4645 0.2395 1945.30 30016.0 7924.1 9337.2 0009.3 85207.8 0.9He 0.0487 i

84,10 07.34 49.00 42.29 1.36S2 9.4557 0.3545 1944.03 31004.1 0$04.3 9899.8 9226.4 89214.6 0.9900 0.0409 10.38 08.36 09.60 04.16 1.3074 0.4700 0.3630 1944.37 33021.3 0034.4 9010.0 9741.8 61387.0 0.9900 0.0807 19.97 09.32 10.10 04.60 1.3804 0.4084 0.8110 1943.40 34012.3 GH4.3 19142.4 19488.3 63422.3 0.M00 0.0684 21.62 90.35 11.10 60.04 1.3910 0.6131 0.3164 1943.11 34614.3 0042.0 10394.1 194?S.? 64407.6 0.9000 0.0833-23.38 ' 91.48 11.70 71.H 1.4372 0.6491 0.2193 1942.81 34070.0 0040.1 19466.3 19490.9 08094.8 0.9M0 0.0630 34.80 93.50 11,90 12.00 1.4014 0.8630 0.3908 1841.91 36280.0 0903.3 19947.1 19940.6 47189.0 0.9MS 0.0688 26.H 93.83 11.90 13.00 1.8314 0.8616 0.3050 1041.32 30020.4 9116.811237.1 11448.0 GM27.9 0.9900 0.0S??

34.33 95.65 72.30 12.00 1.M64 0.86M 0.3318 1946.Se 40061.6 9830.3 11S06.1 18130.0 72923.0 0.9903 0.0408 31.01 94.44 13.90 12.M 13.6e1.49361.14740.S$24 0.3494 10 u.21 43470.6 M 60.0 1204?.S 13057.3 70054.3 0.9900 0.0648 33.87 97.63 93.90 0. Sea? 8.se31 te30.94 40130.4 9ess.1 13834.7 13:00.7 00S00.9 0.9000 0.0444 33.30 M.66 13.50 12.M 1.?t92 1.194S 0.3021 1030.41 $$100.1 10169.312591.8 3203.7 S0141.6 0.9900 0.0414 36 99.99 73.60 14.40 1.0564 0.6210 0.3002 1937.04 40100.3 19214.0 12063.0 13917.0 06104.0 0.9900 0.0704 16.H en/n u 03 n lu.n u.10 n .n 1 9095 0.63?? 0.3999 1937.33 49606.1 10170.0 13110 6 14430.0 07332.6 0.99M 0.0721 nu s.un 0.att an.n Seu6.0 Inn.4 Suu 1 Sun.3 n?n.3 0.nSe S.nu O

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Estimation.of SFP Heat Up Rate incorporating Actual Ptart Data & Thermal Losses YRC 991. Rev.1 January 14,1993

' Prepared By. M Reviewed By Pa0e _ W FIGURE 17 (cositinued)

Es t 4 ma tieft of Decay Heat - Screadsheet HEATUP2.WK1 Opeet rest rat meetw - seetur mates Correstee for 14eees (64 - 100 r3 stapeee 0.grees Date Inours Avg Temp TC-2 TC-3 TC-S TC-4 TC-? TC-9 TC-10 TC-Il TC-13 TC-13 TC-14 Average Sete 11.18 84.12 0.59 0.66 0.64 0.78 0.66 0.89 0.66 0.66 0.64 0.89 0.64 0.68 0.49 l T/31/92 13.48 88.32 0.18 0.78 0.15 0.63 0.1S 0.18 0.15 0.75 0.01 0.01' O.?S 0.15 0.69 l 18.00 46.34 0.60 0.66 0.46 0.56 0.12 0.66 0.65 0.66 0.60 0.66 0.66 0.64 0.69 16.10 07.34 0.67 0.68 0.73 0.13 0.54 0.13 0.47 0.73 0.73 0.61 0.73 0.64 0.64 '

18.33 80.36 0.61 0.13 0.60 0.67 0.19 0.61 0.73 0.61 0.61 0.61 0.67 0.68 0.64 l 19.97 89.32 0.66 0.66 0.66 0.66 0.84 0.64 0.60 0.60 0.46 0.66 0.60 0.64 0.64 21.62 90.35 0.10 0.64 0.46 0.66 0.72 0.64 0.46 0.72 0.66 0.60 0.64 0.64 0.60 l 23.25 91.45 0.61 0.13 0.73 0.13 0.13 0.73 0.19 0.61 0.13 0.19 0.19 0.14 0.61 l 24.40 92.50 0.13 0.73 0.41 0.61 0.67 0.13 0.67 0.19 0.67 0.61 0.67 0.10 0.67 1 26.50 93.82 0.89 0.59 0.65 0.11 0.65 0.65 0.45 0.65 0.71 0.71 0.11 0.64 0.61

_ 30.23 95.49 8.64 0.64 0.41 0.we 0.64 0.61 0.67 0.64 0.67 0.64 0.61 0.48 0.66 J1.01 96.66 0.14 0.14 0.62 0.68 0.68 0.62 0.68 0.14 0.44 0.68 0.14 0.69 0.46 33.31 97.63 0.63 0.63 0.63 0.63 0.18 0.63 0.87 0.S4 0.47 0.67 0.81 0.61 0.66 35.20 98.65 0.60 0.62 0.18 0.60 0.86 0.60 0.18 0.01 0.18 0.75 0.68 0.10 0.68 34.83 99.89 0.62 0.78 4.62 0.62 0.01 0.62 0.S6 0.62 0.62 0.62 0.62 0.68 0.68 O/1/02 30.83 100.82 0.48 0.60 0.60 0.66 0.84 0.66 0.12 0.84 0.60 0.60 0. 60 0.62 0.68 Average Neetup Setes = 0.61 0.67 0.67 0.68 0.67 0.67 0.61 0.67 0.67 0.67 0.61 Overal! Average = 0.6113 r/hr overall std. Dev.

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e Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal 1.osses YRC491 Rev.1 January 14 993 PreparedBy n Reviewed By Pa0s The second table of HEATUP2.WK1 lists the averaDe Indicated SFP water tenperatures between each pair et successive data points. The third table Olves the heatup rates between each successive pair of data points, determined by:

Terrpemture,-Lv. siure,.,

'" EW Time,-siqpsed Time .

J i

A typical plot of the resutin0 heatup rates vs. temperature is shown in Flours 18 (l.otus pict name = 1 j

TC2 RATE). Figure 18 shows that the heatup rats initially increases rapidly as the SFP transtlons from forced convection to natural convection after the SFP cooling is secured. As was the case in YRC-901, Rev. 0, the heatup rate is relatively constant between approximately 85 and 100 Y, decreasin0 at hl0her temperatures as the thermal losses due to evaporation, conduction, and convection become signincant.

The fourth table in HEATUP2.WK1 contains statistics on the heatup rates determined in the third table.

These include the minimum, avera0s, and maximum heatup rates at each point in time, alon0 wth the standard deviation and the maximum heatup rate plus 2 standard deviations. The table also Ests the avera0e SFP water temperature at each point. The last column in the table contains the heatup rates determined from the folowin0 Incar regression eqJation, based on the avera0e hestup rates between 84 )

. and 100 V (the same ternperature ranes considersd in YRC401, Rev. 0):

- Heatyp Rafe s -0.0042( Aperupe SFP Trnyemture) + 1.0010 F10ure 10 shows at of the calculated heatup rate vs. termperature data points as wel as the linear repression Inc. The healup rates are seen to decrease suchtly with incrossing tenperature, which is due lo increasing thermal losses as tenperature Incmases.

The Irth table in HEATUP2.WK1 gives the ambient temperatures durin0 the healup test. These indude the temperature inside the SFP (taken imm Table 4 of Ref. 3),3 thermocouples located 1 foot above the water surface (TC 1,4, and 8) and the SFP bulding ambient tenperature (TC 15). The minimum, average, and maximum inside temperse ves are also provided. The last column of the trth table provides the outelde i temperature during the test (with SFP temperature between 84 pnd 100 T), interpolated from the data in OPF 4293.3.

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Estimation of SFP Heat Up Rate incorporating Adual Plant Data & Thermal Losses YRC-991 Rev.1 Prepared By "hS.- Reviewed By JanuaryIg31993 '

Pa0e i

The healup rules calculated in the thirti table of HEATUP2.WK1 were then corrected for the tfwanellosses i due to evaporation, condudica, and convection using the sarne methods desert >ed in Appendix A of YRC . i 991. Rev. 0. The sixth table is a subset of the heatup rates determined in the third table, containin0 only the data points between 64 and 100 Y, the temperature ran0e of interest. The seventh table provides the thermalloeses and the heatup rate corrections vs. temperature, between 64 and 100 Y.

The first two columns of the seventh t-24e in HEATUP2.WK1 provide the date and elapsed time from the start of the test. Column 3 contains the average SFP terrporature, taken from the first table. Colurnn 4 provides the SFP bu8dnD ambient temperature, taken from TC 15 in the fifth table. The fifth column gives the relative humidly inside the SFP, interpolated from tho' data in OPF 4293.3. The sixth column determines the vapor pressure at the SFP avera0e temperature by interpolating from the table of water proporties as docussed in section 411. Cotamn 7 determines the vapor pressure at the SFP sir temperature, correoled for humidity, by first interpelsen0 the vapor pressure at the SFP air temperature isom the water properties table and then correcting it for humicSty try:

Comecfaf Yqpor Press (at air ferrqp) = YP,,,, NN s

100 s

Where. VP,,,,

• Waler Vapor Pressure at SFP Air Ternperature (inches Hip The evaporation rate is then calculated in column 8 using the same ecpation as h season 412, assuming atmospheric pressure is 14.21 pela (28.93 in Hg) and the wind speed is zero:

Eugporuffort Rate = 0.771(1.465 -0.0186P.)(0.44 +0.118 W)(YP ,,,- YP,,,)

Where, Evaporation Rate is in units of InchesAlay P. = /dmospheric Pressure (Inches HO)

W = Wind Velocity (MPH) = 0 for this ash W VPen, = Water Vapor Pressure at SFP Water Temperature (Inches HO)

VP. = Water Vapor Pressure at 8FP Air Temperature and Humisty (Inches Hg)

Column 9 contains the latent heat of vaportzation at the SFP water tenperature interpolated from lhe water properties table as discussed in secdon 411 The tenth column of the seventh table in HEATUP2.WK1 determines the thermal losses due to evaporation using equation 17 of Appendix A in YRC 991 Rey,0:

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Estimation of SFP Heat Up Rate incorporatino Adual Plant Data & Thermal Loosee YRC-991. Rev.1 January 14,1993

. Prepared By Y Reviewed By Pa0e SV g ,

(Evap Rafe)(555.5f)(H3 )

(vj )(12 T ")(24 dau)

Where the specific volume (v) of the 8FP Water le Interpolated from the water properties table and 565.5 8

ft'is the surface area of the SFP (=,46.2017 ft / inch x 12 inchat).

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Columns 11 and 12 calculate the conduction losses from the SFP above and below the Ground level, usin0 l equations 22 and 21 and the appropriate values from Appendix A of YRC-991, Rev. 0:

(0.75 WN~B - F) ( 2063)t") ( 7,,- Tm)

Q ..

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(0.75 W-B -F)(2115f)(7,,- 50F) op Where. 0.75 BTU /hr ft T = therma! conductivity cf concrete 2063 ft' = SFP surface area above Ground level 2116 ft' SFP aufface area below Ofound level 6 ft = Wilokness of SFP concrete T., = Avera0e SFP water temperature (T)

T. = outside air termerature (7) 60 Y = assumed groundlargerature (T)

The convection losses are determined in column 13 usino equation 20 from Appendk A in YRC 991. Rev.

O. and the appropriate values:

N-G.,, = ( 1 -tr-p -r)(555.5,ft8)(7,,-TE)

. Where, 1 BTLkhr ft' Y = convective heat transfer coefficient T . . an61ont' sir ternperature inside the SFP The total thermal loosee fem evaporation, conduction, and conveedon are summed in column 14, column

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I Estimation of SFP Heat-Up Rate incorporatine Adual Plant Data & Thermal Losses YAC991 Rev.1 January 14,1993 Prepared By ,M Reviewed By .Pa0e W 16 contains the specific heat interpolated from the water properties table, and column 16 determines the correction to the heatup rate 'due lo the total thermal losses by:

J Heatup Rate Correctiort = *"

( l.213.000 Ibrn)( c,)

Where, 1,213,000 brn = SFP water mass at 12 inches (determined in section 4.2.1)

The elohth table in HEATUP2.WK1 contains the heatup rates corrected for the thermal losses. This table is composed of the calculated heatup rates listed in the sixth table between 84 and 100 T plus the appropriate correction determined in the last column of the seventh table. The ei0 hth table also includes the average corrected Seatup rate at each temperature, as wel as the avere0e corroded heatup rates for each thermocouple over the entire temperature renee. The last colunut of the table presente the heatup rates determined from a Incar re0ression of the avera0e corrected healup rate vs. temperature dats usinD the regression equation:

Corrected Heatup Rate = -0.0027(SFPWaterLp,ulure) + 0.9204 The overat avera0e corrected heatup rate was found to be 0.6713 T/hr, with a standard deviation of 0.0007 T/hr. The corrected heatup rates vs. lemperWure, alon0 with the Enear regression Ine, are shown in Flours 20. As conpared to the calculated heatup rates wthout any conodion for thermalloeses (shown in Fleurs 19), the conodion for losses removed some of the decreasin0 trend of heatup rate with increasing 8FP water temperature.

A4usting the overas average corrected heatup rate for a 99% conndence interval and 10% unowtainty:

(2.3s)(0.0007 #)

Corrected Noafup Rata = (1.10) 0.6713 + = 0.750 Where, 176 = total number'of corrected heatup rate data points Using the same SFP water mass as YRC 991 Rev. O, to determine the decay heat level (1,213,000 km):

. Decap Nest = (1,213,000lben)(0.996

)(0.750[] = 907.931 .

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Estimation of SFP Heat-Up Rate incorporating Adual Platit Data & Thermal L.osses YRC 991 Rev.1 January 14 993 PreparedBy M Reviewed By Pa0s .

The decay heat settmated in YRC 991 Rev. O, during the April 7 to 11,1992, 8FP healup test was 1,200,000 STU/hr. Thus, the decay heat during the eeoond heatup test (July 30 to August 4,1992) is approximately 76% of the decay heat in Aprg.

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s e Estimation of SFP Heat-Up Rate incorporating Adual Plant Data & Thermal Losses YRC491, Rev.1 January 14 993 Prepared By M Reviewed By Pa0e-4.2,4 Comnar1Mn of Predicted and Actual Decey Heat Levole

,YRC491', Rev. 0, contained a predidion of futum decay heat lov'els based on the decay heat estimated for the first SFP heatup test and the decrosse in decay heat vs. time determined in YRC466. That is, the decay ratio was assumed to be the same as predicted in YRC-966, evon though a lower decay heat based on the test data was used. The validity of this assurnption wul be checked here to assist in prodlotions of

. decay heat at future times.'

From pape 12 of YRC 991 Rev. 0:

6/15/92 Decay Heat = 1 x 108BTU /hr 9/15/92 Decay Heat = 0.85 x 10' BTU /hr Interpolatin0 between these two flouros for the decay heat on July 31,1992., yloids a prediction of 0.925'-

8 x 10 BTU /hr during the time of the second SFP heatup test. The actual decay heat estimated from the eeoond test, based on the SFP water mass in YRC-991 Rev. O, is 0.906 x 10' BTtJ/hr. The predicted G decay heat during the second test is approximately 1.9% greater t'han estimated from the test data.

Since the prodleted decay heat dJring the time of the second test is h excellent a0reement with the estimated vain using the test data, the method of predialn0 suture decay heat pruented h YRC.991, Rev. 1 0, is vald. That is, the decrease in decay heat over time prodoted in YRC466 stE apples own though the SFP heatup lest data demonstrates a significantly lower deosy heat than was calculated in YRC406.

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1 Estlenstion of SFP Heat-Up Rate incorporatino Adual Plant Data & ThermalI.osses YRC 991, Rev.1 January 14,1993 PreparedBy M Reviewed By I

Pa0e SY s.0 Meeultsconofuelone This calculation has examined the data from the second SFP heatup test and the SFP evaporation rate i tests conducted between July 30 and August 18,1992. Three areas were evaluated:

1. The validity of the method to calou%te evaporation rates used in YRC 991, Rev. O,

2. The decay heat level during the second heatup test, and

3. The validity of the rnethod used to prodlot future deoey heat levels used in YRC e91, Rev. O.

This cah% used the same SFP water mass as assurned in YRC-991, Rev. 0 (1,213,000 tam at 80 Y with level at 12 inches). As indicated in section 4.2.1, the mass assumed wul not affed the enhdadan of the SFP heatup times fonowing a loss of coolin0 if the same SFP mass used to determine the observed decay heat lowl is used in the heatup time calculation in addition, the SFP mass assumed in YRC 991, Rev. O, is conservauve for determining the actual decay heat level. The assumed mass does not account for components under the water surface, which have a lower volumetric heat capacty than water.

Accounting for the components under the water rufface would, therefore, sil0htly lower the solual decay heat calasisted from 8FP heatup rate data.

Comparisonsof themeasuredandcalculatedevaporationrates(usingtheoslaulationalmethodin'Appendk A of YRC 091, Rev. 0) vs. 8FP teniperature are provided in Figures 10 and 15 on pages 33 and 42.

Figure 10 shows that the calculated evaporation rate is generaby less than the measured rate. This suggests that using the calculated rate would be conservative in app 5 cations where credung evaporation Olms betar roeuts, and nonconservaan in appsoanons whwe worse neues are obtained when accounung for evaporallon. However, Fleuro 16 shows that the measured and osiculated evaporadon rates are almost identloal after removing a single susped data point, in both cases, the comparfeon demonstrates that the calmisted evaporation rates fan wthin the 95% confidence Interval on the measured evaporation rates at each of the #ve SFP water temperatures Irweedosted (from 100 Y to 135 T).

Therefore,the method of calculating evaporation rates documented in Appendk A of YRC491, Rev. 0, has been vandated.

The average heatup rate between 84 Y and 100 Y has been determined and is shown in 'FIOures 1.9 and at on pages 54 and 59. The overas awrage healup raw, conochd for thamallosses due lo evapomson, c conducson, and convecuen, is 0.6713 ymr. Increasing'this for 10% uncertainty and a 90% confidence

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Estimation of SFP Heal 4Jp Rate incorporating Actual Piart Data & Thermal Losses YRC491, Rev.1 January 14,1993 Prepared By Y Reviewed By Pa0e 66 Intervalyields an average heatup rate of 0.750 V/hr. Based on an average heatup rate of 0.750 tar and a SFP water mass of 1,213,000 brn, the decay heat level is estimated to be 907,931 BTU /hr.

Lastly, the decay heat predicted from YRC 991. Rev. O, for the time of.the second SFP heatup test is 995,000 8Tuhr. This prodletion is based on the estimated decay heat frem the first SFP heatup test, assuming the same decrease in decay heat over ti.mo as predicted in YRC 966, using the ANS decay heat standant The paedcteddecay heat is seen to tw only.1.9% greater than the decay heat estimated frorn -

the test data for the second SFP heatup test. Therefore, predicting future decay heat assuming the decrease in decay heat over time determined in YRC 966 is seen to be valid.

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I Estimation of SFP Heat Up Rate incorporating Actual Plant Data & Thermal t.osses YRC-991, Rev.1 January 14,1993 Prepared By M Reviewed By Page bl 0.0 Fleferences .

1. YRC-991, Rev. O, K.J. Helder," Estimation of Spent Fuel Pit Heat Up Rate' Incorporating Actual Plant Data and Thermal Losses *, June 3,1992.

2. Plant Procedure,OP 4293, Rev. 0,* Spent Fuel PR Heat-Up and Evaporation Rate Measurements", July 1992 (copy attached).

3.' Memo, W. E. Lyon to K. J. Helder, RE 92-43,"Results of the Spent Fuel Pt Heat Up and Evaporation Rate Measurements Test *, August 26,1992 (copy attached).

4. YRC-966, Rev. O D. A. Rice and A. L Robertshaw," Loss of Spent Fuel PR Cooling for Permanent Shutdown *, May 8,1992.

5. " Applied Mathematics in Chemical Engineering", second edtion H. S. Middey, T. K. Shemood, and I

C. E. Reed, M*Graw Hill Book Cormany,1957. l l

1 l

6. *Elemertary Statistics", second edition, Robert Johnson, Duxbury Press,1976. l l

7. 'ASME Steam Tables". Fifth Edition, C. A. Meyer, et. al.,1983.

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IflY .I FORM WE-103-1 ,y

% Revision 3 CA14U!ATION REVIEW FORM CAICUIATION No. _ Nb REVISION NO.

RESOLUTION COPfENTS

$ L.;.=M1L M YA Cr~-s un m .~m-n. L e=m

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Comments Continued on Page "

Melas The review of mechanical or structural analyses shall be

- performed using Table I in WE-103.

" NM

/ / Reviewer /Date 1 WE-103-18 WPP19/100 49 .

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llM f3 FORM WE-103-1 .d3 Revision 0 EVALUATION OF COMPUTER CODE USE N-N/ REVISION NO. I CALCUIATION NO.

List the cosPuter codes used, and complete the followings Outstan6ing Appropriateness SPRs Approved per WE-108 Verified Evaluated Isa Na IRE NA ISA N pode Name l

l If a computer code was not verified por WE-108, or if there are outstanding SPRs. state below why it is appropriate.

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Proc. No. OP 4293 Rev. No. Orto' nai

" Dill Issue Date mio2 e Expir. Date 07/94 9 ggg SPtNT FUEL PIT HEAT UP AND EVAPORATION RATE MEASUREMENTS (gt/ W/, b,/

achio To measure the spent fuel pit (SFP) heat-up rate with no SFP cooling 7. M N pumps in operation. and mes:;ure the evaporation rate at selected f 44/

I elevated temperatures.

ENCLOSURES OP 4293 Pgs. 1 5 OPF 4293.1 - Pg. 1 CPF 4293.2 - Pg. 1 OPF 4293.3 Pg. 1 REFERENCES l

1. OP 1164. ' Operation of the Spent Fuel Pit Cooling and Purification System". l

2. OP 2157 " Spent Fuel Pit Cooling - Alternate Method"

3. Technical Specification Amendment 75 (Propesed Change 158)

4. FSAR Section 218. " Fuel Handling Equipment System" DISCUSSION This procedure shall be used to measure the heat up rate of the SFP when no SFP cooling pumps are in operation. The data will be used to calculate the decay heat load produced by the spent fuel. The result of the telculatite will determine future emergency equipment operability requirements.

The procedure shall also be used to measure the SFP evaporation rate at several elevated temperatures, io perform the measurement, a SFP cooling pump shall be started and the component cooling / service water flow for the SFP will be throttled and SFP level vs. time will be measured.

The SFP cooling system is designed to maintain the water temperature below 150*F. To preclude exceeding this Itatt spent fuel pit cooling shall be reinitiated when any thermocouple or , installed temperature indicator reaches 140"F.

l For this test, the duty Shift Supervisor will be the test supervisor.

The test may be terminated at any time if the test supervisor determines

, that SFP cooling is inadequate and should be re-establ.ished.

LIMITATION

1. Do not allow the SFP temperature to exceed 150*F [3).

2. There must be at least,14 feet of water over the top of irradiated fuel assemblies in the storage racks. 3. 3.9.11.1) This level is e SFP.quivalent to a level of minus c31 in(hes from the top of the 4

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• OP-4293 Original PRECAUTIONS W-fil,k. I

1. During this test the SFP Water will heat up to 140*F. and some /#/ flD condensationwiliaccumulateonthewalkwayaroundtheSFP. To assure personnel safety, at SFP temperatures greater than 100'F. pI' anyone walking up to or around the SFP shall be accompanied by another individual. If work around the SFP is required. then l

. safety belts and lifelines shall be worn.

2. Do not add water to the SFP while this test is in pregress.

3. If power is lost to the TC recorder, then the recorder must be restarted by I&C before continuing with the-test.

4 During evaporation portion of the test, any operation of the Waste Disposal Evaporator may affect Spent Fuel Pit temperature.

PRERE0VISITES

1. The SFP temperature indicators SF TI.228 and SF TI-229 are l calibrated. '

Cal due: Cal due:

SF-TI 228 SF TI-229 ,

2. The SFP temperature is less than 90'F as indicated by l SF TI-228 and SF TI 229. l

3. A calibrated Leeds & Northrup (L & N) Model 25000 recorder is available.

4. Fifteen thermocouples are available.

5. A psychrometer is availabic to measure relative humidity.

6. The SFP is being . cooled per Reference 1.

7. A two foot ruler is available to measure SFP level.

I

8. An RWP is available for installing and removing the thermocouples.

9. SFP level is 10 14 inches from the top.

10. The SFP building exhaust fan is operating.

11. The MET Tower (primary) lower temperature indicator is operable.

12. The Shutdown Cooling System (SCS) is capable of being operated per OP 2157, if required.

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13. The Shift Supervisor has given permission to conduct the softlo

. measurement. "?.84 f

0 Shift Supervisor Date I

Time A

(4

14. The backup SFP cooling pump has been verified to be I operational by running for a minimum of five minutes. i I

15. The shift operating personnel have reviewed the requirements and test termination criteria of the procedure. l I

fBOCE00RE l

1.

Assemble the thermocouples (TC) into three strings as shown on OPF 4293.1.

j

!&C

2. Attach a rope to each TC string near the upper TC.

!&C

3. l.ower the TCs into the SFP and position as shown on OPF-4293.2.

4 l&C

Attach the fifteen TCs'to the t. & N recorder. Maintain the-TC number vs. SFP po.sition as indicated on OPF 4293.2. I' l

0

- I S. Start the recorder al.a collect data with a SFP pump running for a minimum of two hours.

W

6. Trip the operating SFP cooling pump. j

7. Record initial data on OPF 4293.3.

8. Collect the followinc data every six hours during the test and record on OPF 4293.3.

Outside air temperature (from Met tower lower temp)

. Outside Inside airairhumidity hualdity(in SFP annex)(near south door to SFP)

SFP water level (from water surface to edge of SFP)

9. Continue with the test while recording TC data until either.

of the following conditions exist: (N/A where not applicable)

. Any TC exceeds 140*F -

OR SF TI 228 or SF TI-229 exceed 140*F.

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10. Restart a SFP cooling pump. w/sI1.3 g

O 11. If a SFP cooling pump cannot be restarted SFPalternatecoolingflowperReferenceE.thenestablish applicable) (N/A if not Atn l Gi

12. Adjust component cooling / service water flow to maintain the '

SFP a t 137-139'F.

13. Continue collecting data every 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> on OPF-4293.3. untti SFP level decreases 2 inches or 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> has elapsed.

whichever occurs first.

14 Readjust' component cooling / service water flow to maintain the SFP at 128-132*F.

15. Continue collecting data every 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> on OPF-4293.3 untti SFP level decreases 2 inches or 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> has elapsed, whichever occurs first.

16. Readjust component cooling / service water flow to maintain the SFP at 118-122*F.

• 17. Continue collecting data every 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> on OPF 4293.3 until SFP level decreases 2 inches or 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> has elapsed, whichever occurs first.

18. Readjust component cooling / service water flow to maintain the SFP at 108 112*F.

19. Continue collecting data every 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> on OPF 4293.3 untti G SFP level decreases 2 inches or 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> has elapsed, whichever occurs first.

20. Readjust component coolin's/ service water flow to maintain the SFP at 98102*F. .

21. Continue collecting data every 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> on OPF 4293.3 until SFP level decreases 2 inches or 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> has elapsed, whichever occurs first.

~

22. Adjust component cooling / service water flow to cooldown the SFP to less than 90*F.

23. Stop the L.& N recorder.

W

24. Olsconnect the TCs from the recorder.

W

25. Remove the TCs from the SFP and store per RP instructions.

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-S- OP a293 Y Original Mll-Kl ACCEPTANCE CRITERfA I** I Iolfkh f,0.TI: There is no qualitative accceptance criteria for this procedure. If

1. The results have been compared to the previous (last) test.

FINAL CONDITIONS

1. The SFP cooling system has been returned to normal operation.

i Performed by:

Operator Date Reviewed by:

Operations Management Date l

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nG 'fM-SYI DATA SHEET FOR SPENT FUEL PIT 'HEATUP AND EVAPORATION RATE TEST b/

solfl1.L

. Outside Outside Inside SFP

- M Date Time Air Temp Humidity Humidity Level Comments 7l 1

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I5 f HEMORANDUM To: K- J Heidar Date: Aument 26 1992 From: W 'E- Lvon File: RE 92-43 Sub.iect: .Hesu l ts o f. _the Soent Fuel Pit Heat-un and Evnooratinn Rate Mennuvements Test F.eferen< e

)

1. OP44293. " Spent Fuel Pit Heat-up and Evaporation Rate Heasurements"

2. OP-7000.046, " Spent Fuel Pit Heat-up Rate Measurement" Rar karound A heat-up rate test of the Spent Fuel Pit (SFP) was conducted during the period July 30-August 4, 1992 in accordance with the G referenced procedure. Following the heat-up test of the SFP, the temperature of the pool was controlled by starting up a SFP cooling pump and throttling the component cooling / service water flow. The referenced procedure called for maintaining the temperature within a predetermined elevated temperature band for five different individual evaporation experiments. These experiments were performed from August 4 to August 18, 1992.

There were fifteen thermocouples (TCs) installed at locations detailed in Figure 1. The TCs were connected to a Leeds &

Northrup recorder which produced a plot of temperature vs time and also printed digital values for each TC approximately every 98 minutes. A ruler was used to measure the SFP level at six hour intervals during the evaporation tests. The SFP level was maintained between 9 and 16 inches from the top of the pool during the tests. . Indoor and outdoor humidities were recorded with outdoor temreratures for each SFP level measurement.

Discussion .

As in an earlier experiment conducted in April 1992 (Ref. 2), the operating SFP cocI 4 g pump was secured at 1455 hours0.0168 days <br />0.404 hours <br />0.00241 weeks <br />5.536275e-4 months <br /> on July 30, 1992 ant ...e heat-up test was initiated with the average l

temperature of tws dFP at= approximately 79.5 degrees. The. 1

.. attached Figute 2.1u a plot of temperature vs. time for the

,. duratio'n of the heat-up test. A ' comparison of the slope of the -

v, original heat-up experiment (Ref. 2) with an average value of

m. _

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.71*F/hr.the slope of this heat-up experiment with an average f value of .52*F/hr. demonstrates the decrease in decay heat for the contained fuel assemblies. Table i attached lists the data used to generate the plot in Figure 2. The heat-up experiment was terminated prior to reaching 140*F which was the maximum target temperature. as detailed in the procedure.

Tables 2 and 3 detail the data collected in the five evaporation rate tests conducted in accordance with +.he first referenced procedure above. There were five temperature ranges calling for evaporation rate measurements and only four were carried out within the ranges spe.cified by the procedure. The highest temperature range was not achieved in that the operators demonstrated conservatism by terminating the heat-up before it reached 140*F. In four of the five evaporation rate tests the temperature was just outside the lower value of the target ranges specified. The margin of Table 2 has been marked to indicate the start and stop times for the evaporation experiments. There is also a data point in question for the evaporation test for the range 108-112*F. The point in question is the last recorded level measurement for the test for this range. This data point has been circled in red on the attached Table 2.

One additional table has been attached that details each thermocouple value for each recorded time for the entire test duration.

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97 Table i Date Time SFP Temp 'F Ambient *F 7/30/92 1613 79.5 76.5 1751 80.0 76.5 1933 8 2 .,... 75.4 2111 83.1 73.2 2249 84.1 71.9 7/31/91 0031 85.3 70.9 0209 86.3 69.7 0346 87.4 69.8 0524 88.3 69.6 0702 39.3 70.1 0841 90.3 71.1 1019 91.4 71.7 .

1157 92.4 71.9 1339 93.5 71.7 1532 94.0 71.4 1718 95.6 72.5

, 1856 96.6 72.9 2038 97.6 73.5 2216 98.6 73.6 2354 99.5 73.6 8/1/92 0136 100.5 74.1 0314 101.4 74.1 0452 -102.5 74.6 0634 103.4 73.8 0812 104.2 74.1 0950 105.2 74.6 1132 106.1 74.3 ,

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0219 113.8 75.3 0357 114.6 75.3 )

0539 115.4 75.7 1

0717 116.1 75.0 f 0855 116.8 78.2 1037 117.8 81.8 1215 118.8 83.6 1353 119.5 85.5 1535 120.6 86.1 1713 121.4 86.6 1850 122.0 86.3 l'

2033 122.8 85.2 2210 123.7 83.2 2348 124.4 82.0 8/3/92 0130 125.0 81.4 0308 125.7 80.8 0446 126.4 80.7 L 0624 126.9 80.4 0803 127.5

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1755 132.0 90.5 i i

1937 132.6 90.4 2115 133.3 89.0  :

2253 133.9 88.7 l 8/4/92 0035 134.5 87.8 0213 135.0 87.6 j 0351 135.6 87.5 0533 136.3 86.5

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G RECORDED SPP TEMPERATURES AND TIMES FOR EAcH EVAPORATION RATE TEST 7.Mf f)

W (

Table 3 Test Temp. Range *F Date Time SFP Temp. 'F Using Hottest TC Min 133.9 8/4/92 1031 133,9 Max 135.1 1209 134.5  !

l 1347 135.0 1 1524 135.0 1702 135.1 1841 135.1 2019 ,

135.1 2157 138.0 2339 134.9 8/5/92 0117 134.8 0255 134.7 0437 134.9 0615 134.9 0753 .134.8 0935 134.6 1113 134.8 l 1251 134.6 1433 134.3

. . Min 125.5 8/5/92 2246 125.5 Max 130.0 -

8/6/92 0024 125.6 0202 125.8 0342 126.0 0519 126.1 0657 126.2 6840 126.3 1018' -

126.4 1156 126.4 I%!+ ***

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Test Temp. Range *F Date Time SFP Temp. 'F Using Hottest TC Min 125.5 Cont. 8/6/92 Cont. 1338 127.0 Max 130.0 Cont. j 1516 127.2 1653 127.3 1836 127.4 2013 127.8 2151 127.9 2333 127.9 8/7/92 0111 128.2 0249 128.2 0431 228.3 0609 128.3 0747 128.3 0929 128.4 1107 128.5 1245 128.5 1423 128.7 1601 128.9 1741 129.0 1919 129.2 2057 129.6 2239 129.8 8/8/92 0017 130.0 Min 117.8 1648 118.3 Max 120.6 1830 117.9 2008 117.9 2146 117.8 2324 118.1 8/9/92 0102 118.6 -

[,. 0241 118.3

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to/r/52 Table 3 cent.

g Test Temp. Range *F Date l Time Ss'P Temp. *F Using Hottest TC Min 117.8 Cont. 8/9/92 Cont. 0419 119.2 Max 120.6 Cont. .

0557 119.2

+

0739 119.1 0917 119.2 1055 119.3 1237 119.3 1415 119.4 1553 119.5 1735 119.6 1913 119.7 2051 119.9 2233 119.8 8/10/92 0011 119.9 9 0149 120.0 0331 120.1 0509 120.1 0646 120.1 0830 119.7 l 1008 120.1 1

1146 120.2 i 1324 120.3 1502 120.5 1642 120.6 1819 120.3 Min 106.6 8/11/92 0553 '108.0 Max 110.8 0735 108.4 0913 108.9 1051 109.2 g4 *y,[ ",g  % v e g 9q * ' -

p.e s -

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( Test Temp. Ranga 'F Date Time SFP Temp. *F Using Hottest TC Min 106.6 Cont. 8/11/92 1233 108.7 Max. 110.8 Cont. Cont.

1411 108.2 1549 107.9 1731 107.7 1909 107.5 2047 107.2 2224 106.9 8/12/92 0002 107.0 0141 107.5 0319 107.9 0457 108.4 0639 108.8 i

' 0817 109.1 G 0955 109'.6 i

1137 109.8 1315 110.1 1453 116.3 1635 110.6 1813 116.7 1951 110.8 2133 110.0 2311 109.1 8/13/92 0048 108.3 023 107.6 0408 107.4 0546 107.0 Min 99.1~' 8/16/92 0619 101.0 Max 101.5 0757 101.1 i

d 4 4 8 ' ' #

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Table 3 cont.  ?,A f

Test Temp. Range 'F Date Time SFP Temp. 'F Using Hottest TC Min 99.1 Cont. 8/16/92 0939 101.3 Max 101.5 Cont. Cont.

1117 101.5 1255 101.3 1437 101.0 1615 100.6 1753 99.8 1935 99.0 2113 99.3 2251 99.6 8/17/92 0033 99.5

. . 0211 99.4 . _ , ,

0349 99.3 0531 99.2 0709 99.3 0846 99.2 1024 99.2 1202 99.2 1341 99.1 1519 99.4 ,

1657 99.4 1839 99.5 2017 99.4 2155 99.4 2337 99.3 8/18/92 0115 99.3 l

0253 99.3 1

- l 0435 99.3 0613 99.3

99c-991,% i Agg;hJ' pale ulos.ed % 6r-90 tattlu

aj. 9 DATA SHEET FOR SPENT FUEL PIT HEATUP AND EVAPORATION RATE TEST 4 9+ Date Time _

Outside Air Temp Outside Humidity inside Humidity SFP level Comments 8tffA /[90 70 3 8 '70 4 2. 2r */3 Ydi' fierh1/ /?f/

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n. . .a m 4m b S*d M'& -11 %

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