ML20011E716
| ML20011E716 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 02/06/1990 |
| From: | COMMONWEALTH EDISON CO. |
| To: | |
| Shared Package | |
| ML20011E714 | List: |
| References | |
| NUDOCS 9002220285 | |
| Download: ML20011E716 (81) | |
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r 6 i REACTOR CONTAINMENT BUILDING INTEGRATED LEAK RATE TEST l f i QUAD-CITIES NUCLEAR POWER STATION UNIT ONE .? NOVEMBER 14-15, 1989 1 i
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0483H/0214Z jgR-o2220285 900206 e i p ADOCK 05000254 jb PDC tf L
c Y '- TABLE'OF CONTENTS p' ' ' PAGE TABLE AND FIGURES INDEX. . . . . . ... . . . . . . . . . . . . . . 2 ' -- INTRODUCTION ... . . . ... . . . . . . . . . . . . . ... . . . . . . 5-A. TEST PREPARATIONS i A.1 Type A Test Procedures . . . . . . . . . . . . . . . . . . . 5'
~A.2 Type A Test Instrumentation. . . . . . . . ... . . . . . . . 5
" Temperature . . . . . . . . , . . . . . . . . . . .
.- A. 2. a . 9
-A.2.b. Pressure. ....................9 A.2.c. Vapor Pressure. . .-. . . . . . . . . . . . . . . -
10 A.2.d. Flow. . . . . . . . . . . . . . . . . . . . . . . 10
.A.3 Type A Test Measurements . . . . . . . . . . . . . . . . . 10 A.4 Type A. Test Pressurization . . . . . . . . . . . . . . . . 11 B. TEST METHOD i
+ B .1 Bas i c LTe c hn i q ue . . . . . . . . . . . . . . . . . . . . . . . 13
-B.2 Supplemental Verification Test . ... . . . . . . . ... . . 14 B.3 Instrument Error Analysis. . . . . . . . . . . . . . . . .
14 ; C. SE0UENCE OF EVENTS
'C.1 Test Preparation Chronology. . . . . . . . . . . . . . . . 15 .
C.2 Test Preparation and Stabilization Chronology. . . . . . . 16
~C.3 Measured Leak Rate. Phase Chronology. . . . . . . . . . . . 17 C.4 Induced Leakage Phase Chronology . . . . . . . . . . . . . 17 C.5 Depressurization Phase Chronology. . . . . . . . . . . . . 17 0483H/0214Z _ _ _ _ - _ _ _ - - - _ _ - _ _ _ - _ _ _ _ _ _ _ - - _
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;<i s ! -i s . 1-E TABLE OF CONTENTS E k (CONTINUED).
C, H h PAGE l N , <
^ 0; TYPE A TEST DATA'-
g , s D.1 Measured Leak Rate Phase Data . . . . . . . . . . . . . . 18 3 0.2 Induced Leakage Phase! D ata. ... . . . . . , . . . . . . . 18 u E. TEST CALCULATIONS . . . . . . . . . . . . . . . . . . . . . . 33- ' 9 q F. ' TYPE A TEST RESULTS - F.1-Measured Leak Rate Test.Results . . . . . . . . . . . . . 34 K 4 F.2 Induced Leakage Test Results. . . . . . . . . . . . . . . 35 F.3 Pre-Operational Results vs. Test Results. . . . . . . . . 36 F.4 Type A Test Penalties . . . . . . . . . . . . . . . . . . 36 F.5 Evaluation of Instrument Failures . . . . . . . . ... . . . 37 F.6 As-Found-Type A' Test:Results. . . . . . . . . . . . . . . 38 APPENDIX A- .TYPELB AND C TESTS . . . . ..........39' l
-i APPENDIX.B ~ TEST CORRECTION FOR SUMP LEVEL CHANGES . . . . . 48
~ APPENDIX C COMPUTATIONAL PROCEDURES . . . . . . . . . . . . 54 -
s APPENDIX D INSTRUMENT ERROR ANALYSIS . . . . . . . . . . . 66
- ADPENDIX E BN-TOP-1. REV. 1 ERRATA . ...........72 l
' APPENDIX F. TYPE A TEST RESULTS USING MASS-PLOT. . .....77 METHOD (ANS/ ANSI 56.8) lr 0483H/0214Z p
q q7 ,, -l A ~' TABLES AND FIGURES INDEX PAGE- q
' TABLE 1 Instrument Specifications. . . . . . . . . . . . ... . . 6 i'
, TABLE 2- Sensor Physical Locations. . . . . . . . . . . . . ... . 7
, . TABLE 3' Measured.i.eak Rate Phase Test Results'. . . . . . . . . 19 q TABLE 4 Induced Leakage Phase-Test Results . . . . . . . . . . . 20 1 FIGURE 1:- . Idealized View of Drywell-and Torus. . . . . . . . . . . 8 l Used to Calculate Free Air Volumes
+
FIGURE 2 Measurement System Schematic Arrangement . . . . .' . . 12
- FIGUR'E 3 Measured Leak Rate Phase - Graph of' Calculated . . . . 21
-Leak Rate and Upper Confidence Limit FIGURE 4 Measured Leak Rate Phase - Graph of Total. . . . . . . 22 Time Measure Leak Rate and Regression Line FIGURE 5 Measured Leak-Rate Phase - Graph of .. . ... . . . . . 23 .
Dry Air Pressure , FIGURE 6 Measured Leak Rate Phase.- Graph of Volume . . . . . . 24 Heighted Average Containment Vapor' Pressure- -
, - FIGURE.7~ Measured Leak Rate. Phase - Graph of Volume . . . . . . 25 Heighted Average Containment Temperature
- FIGURE 8 Induc'ed Leakage Phase - Graph of Calculated. . . . . . .-26 Leak Rate ,
FIGURE 9- cInduced Leakage Phase - Graph of Total Time. . . . . . 27 Measured Leak Rate and Regression Line .; FIGURE 410 Induced Leakage Phase - Graph of Volume. . . . . . . . . 28 Heighted Average Containment Temperature .
- Induced Leakage Phase - Graph of Volume. . . . . . . .
FIGURE-11 29 Heighted Average Containment Vapor Pressure-FIGURE 12: Induced Leakage Phase - Graph of e ... . . . . . . . 30 Dry Air Pressure FIGURE 13 Graph of Reactor Water Level . . . . . . . . . . . . . 31 Through Testing Period 4 FIGURE 14- Graph of Torus Hater Level . . . . . . . . . . . . . 32 Through Testing Period FIGURE F-1 Statistically Average- Leak Rate and Upper. . . . . . . 80 , Confidence Limit (ANS/ ANSI 56.8 Method)
- FIGURE F-2 ' Statistically Averaged Leak-rate and Target. . . . . . 81 Leak-rate (ANS/ ANSI 56.8 Method) 0483H/0214Z ,
INTRODUCTION v This report presents the test method and results of the Integrated Primary Containment Leak Rate Test (IPCLRT) successfully performed on November 14-15, 1989 at Quad-Cities Nuclear Power Station, Unit One. The test was performed in ! accordance with 10 CFR 50, Appendix J, and the Quad-Cities Unit One Technical Specifications. For the fifth time at Quad-Cities a short duration test (less than 24 hours) was conducted using the general test method outlined in BN-TOP-1, Revision 1 (Bechtel Corporation Topical Report) dated November 1, 1972. The first short duration test was conducted on Unit One in December, 1982.
)
Using the above test method, the total primary containment integrated leak rate was calculated to be 0.3786 wt %/ day at a test pressure greater than 48 PSIG. The calculated leak rate was within the 0.750 wt %/ day acceptance criteria (75% of
-LA ). The associated upper 95% confidence limit was 0.4480 wt %/ day.
The supplemental induced leakage test result was calculated to be 1.3502 wt
%/ day. This value should compare with the sum of the measured leak rate phase result (0.3786 wt %/ day) and the inducted leak of 8.26 SCFM (1.0123 wt %/ day). The calculated leak rate of 1.3502 wt %/ day lies within the allowable tolerance band of i 1.3909 wt %/ day 1 0.250 wt %/ day.
SECTION A - TEST PREPARATIONS A.1 Type A Test Procedure The IPCLRT was performed In accordance with Quad-Cities Procedure QTS 150-1 Rev.16, including checklists QTS 150-S2 through S8, S10 through S13, 517 through S23, and subsections T2, T6, T8, T10, T11, T12, T13, T14, TIS, and T16. Approved Temporary Procedures 5962, 5963, and 5964 were written in conjunction withg the test. Procedure 5962 was written to revise the pretest operations checklist for the IPCLRT. Procedure 5963 was written to revise the Instrument Maintenance Department pretest checklist to correct the equipment piece number of the Reactor
' Water level Transmitter. Procedure 5964 was written to revise the pre-test valve line-up of valve checklist QTS 150-SS.
These procedures were written to comply with 10 CFR 50 Appendix J, ANS/ ANSI N45.4-1972., and Quad-Cities Unit One Technical Specifications, and to reflect the Commission's approval of a short duration test using the BN-TOP-1, Rev, 1 Topical Report as a general test method. A.2 Type A Test Instrumentation Table One shows the specifications for the instrumentation utilized in the IPCLRT. Table Two lists the physical locations of the temperature and humidity sensors within the primary containment. Figure 1 is an idealized view of the drywell and suppression chamber used to calculate the primary containment free air subvolumes. Plant personnel performed instrumentation calibrations using NBS traceable standards. Quad Cities procedure QTS 150-9 was used to perform the calibration. ! 0483H/0214Z 1e i.. . .:. LTABLE ONE- ~ INSTRUMENT SPECIFICATIONS INSTRUMENT MANUFACTURER MODEL NO. ~ SERIAL NO. RANGE ACCURACY REPEATABILITY Precision
. Pressure 10141-1 .. .
10015% Rdg Gages (2) Volumetrics PPM-1000 10141-2 0.4 - 150' PSIA. 10005% F.S. 10001%'F.S. 10602-1 to~ 10602-35 Thermistors (30) Volumetrics 418905000 inclusive 50* - 135'F 0.25*F 0.01*F-2809-1 to. Lithium 2809-10' Dewcells (10) Volumetrics Chloride inclusive 40-100*F 1.5'F 0.003*F l Pall Trinity ~ Thermocouple Micro 14-T-2H 0-600*F 12 0*F 1 1*F Fischer Flowmeter & Porter 10A3555S 8405A0348A1 1.15-11.10 sefm i.111 scfm-Level Indicator 555111BCAA. LT 1-6468 GEMAC 3AAA 0-60" H 2O 0497H/0217Z _ , ._. _ 2. ,_ . . . ._ __ .. , . . _ . .. . . . . . . __ _. __
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{ ,. L TABLE TWO SENSOR PHYSICAL LOCATIONS RTD NUMBER SERIAL NUMBER SUBVOLUME ELEVATION AZIMUTH
- 1 44233 1 670'0" 180*
2- 44210 1 670'0" 0* 3 44211 2 657'0" 20' 4 44212 2 657'0" 197* 5' 44123 3 -639'0" 70* 6 44214 3 639'0" 255' 7 44215 4(Annular Ring) 643'0" 55' 8 44216 4 615'0" 225' g 9 44217 5 620'0" 5* Li > 10' 44218' 5 620'0" 100* 11 44219 5 620'0" 220' ; 12 44220 6 608'0" 40* 13 44221 6 608'0" 130* 14 '44222 6 608'0" 220* 15 -44223 6 608'0" 310'
.16 44224 7 598'0" 70*
-17 44225 7 598'0" 160*
18 44226 7 598'0" 250* 19 44227 7 598'0" 340* 20 44228 8 587'0" 10' 21 44230 8 587'0" 100* 22 44232 8 587'0" 190* . 23- 44233 8 587'0" 280* ! 24 44234 9(CRD Space) 595'0" 170* 25 44235 9(CRD Space)) 580'0" 170* 26 '44236- 10(Torus) 578'0" 70* 27 44237 10(Torus) 578'0" 140* 28 44238 10(Torus) 578'0" 210' l 29 44229 10(Torus) 578'0" 280*
-30 44231 10(Torus) 578'0" 350*
Thermocouple (inlet to 11(Rx Vessel) clean-up HX) r DENCELL NO. SERIAL NUMBER SUBVOLUME ELEVATION AZIMUT'H 1 5835-1 1 670'0" 180* -l 2 5835-2 2,3,4 653'0" 90* ! 3 5835-3 2,3,4 653'0" 270* i 4 6084-4 5 620'0" 0*' { 5 6084 6 605'0" 45' ! 6- 5835-6 7 600'0" 220* t 7 6084-7 8,9 591'0" 0* ) 8 6084-8 8,9 591'0" 202* i 9 5835-9 10 578'0' 90* l 10 5835-10 10 578'0" 270* Thermocouple (Saturated) 11 --- --- ' 0483H/0214Z ! l
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\v FIGURE 1 0483N/0214Z -'<i?'
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' A.2.a. Temperature
.The location of the 30 thermistor's was chosen to avoid conflict with local temperature variations and-thermal influence from metal structures. A temperature survey of the containment was previously performed to verify that the sensor locations were representative of average subvolune conditions. '
The Thermistors ae hermitcally sealed, glass encapsulated units manufactured by YSI Inc. These sensors have a recommended operating range between -110 and 390 degrees F. A stability of better than 0.018 degrees F per ten months can be expected when the units are stored at or below 212 degrees F. Interchangeable Thermistors, model 46043 were chosen. YSI certifies each sensor to follow the same Resistance verses Temperature curve within 0.1 degrees F over the range of 50 to 135 degrees F, Each~ sensor is connected to a signal conditioning card. The Thermistor resistance is converted by this card to a known voltage. The voltage output from the cards is a function of the resistance in. As seen in Table 1, the Thermistor's change in resistance with temperature is very nonlinear. Therefore, the variation of output voltage with temperature is nonlinear. In order to allow direct reading of temperature values from the DAS, two sixth order polynominal curve fits are programmed into the DAS's EPROMs. As recommended in ANS 56.8, the DAS output and display has a resolution of 0.01 degrees F. A.2.b. Pressure Two volumetrics PPM-1000 Precision Pressure Monitors were utilized to measure total containment pressure. Each precision pressure gauge was calibrated from 62.8-65.8 PSIA in approximately 0.5 PSI increments. Primary containment pressure was sensed by the pressure gauges in parallel through a . 3/8" tygon tube connected to a special one inch pipe penetration to the containment. Each instrument contains a pressure-sensing element that delivers an electrical frequency (in relation to the applied pressure) to a microprocessor circuit. The microprocessor corrects the signal for nonlinearity' offset, scaling, and temperature effects and displays the corrected pressure value on a 5-1/2 digit LED readout. 0483H/02142 l ; The sensor is the_ vibrating cylinder type. The cylinder is a vibrating mechanical system.. A vacuum reference in maintained on the outside of the 2 cylinder. The pressure differential across the wall creates stress on the ,
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wall-varying the natural resonant frequency of vibration. The resonant frequency depends upon the physical properties of the element such as mast, stress, elasticity, dimensions and temperature. The cylinder is made from a special nickel tron alloy, and closely controlled manaufacturing techniques 1 eliminate mass, dimension, and elasticity effects. Temperature is measu'ed- ! using a' calibrated diode and corrected by the microprocessor. The sensor's electronic-ciruict conditions the frequency wave and seno; it
~
to the pulse rate converter board which counts the period. The period is sent in a 16-bit word to the microprocessor controlled panel meter (NPM). The sensor's temperature sensing diode voltage _is converted to a 15-bit digital signal using the analog-to-digital converter-in the MPM. The pressure is calculated by the MPM and displayed in appropriate units on the 5-1/2 digit seven-segment LED display. Each PPM-1000 was calibrated from 62.8 - 65.0 PSIA in approximately 0.5 PSI increments by volumetrics on October 12, 1989. A.2.c. Vapor Pressure Ten lithium chloride dewcells were used to determine the partial pressure due to water vapor in the containment. The dewcells were calibrated by volumetrics on October 11., 1989. A.2.d. Flow
.A rotameter flowmeter, Fischer-Porter serial number 8405A0348A1, was used for the~ flow measurement during the induced leakage phase of the IPCLRT. The :
flowmeter was. calibrated by Fischer-Porter on October 16, 1989, to within f,11. of full scale (0.9 - 11.4 SCFM) using NBS traceable standards, to standard atmospheric conditions. Plant personnel continuously monitored the flow during the induced leakage phase and corrected.any minor deviations from the induced flow rate of 8.26 SCFM by adjusting a 3/8" needle valve on'the flowmeter inlet. The flow meter outlet was unrestricted and vented to the atmosphere. A.3 T_ype A Test Measurement The IPCLRT was performed utilizing a direct interface with the station prime computer. This system consists of a Data Acquisition ' System (OAS) and a-multiplexer in containment. Upon initiation of data acquisition cycle, the DAS reads the selected OPERATE mode of single, continuous, or interval, and either block or sequential scan. Once the system has determined which channels to scan (user-defined), it addresses the analog scanner to select the first channel for sampling. This address information (three BCD digits from the Printer / Scanner Interface Card) is transmitted at RS-232C voltage levels. 0483H/02142 1 C F The scanner selects the channel and routes the analog signal to the Analog - to Digital Converter (ADC) housed in the DAS. After a relay stabilizing time 1 Lof approximately ten milliseconds, the Central Processing Card (CPU) initiates the ADC. Although the ADC is capable of 20 conversions per second, the actual scan rate _is 10 per second because the CPU has numerous other functions to ' perform. I Upon conversion request, the ADC resets and selects a 0.1V or 1.0V full scale conversion factor as designated by the CPU. The CPU is then interrupted by the ADC to read the converted data and the ADC status word. The status work indicates the polarity of the input voltage and if it was an overrange. The data is stored in a buffer in RAM. The CPU addresses the scanner for data from the next channel, and the acquisition process continues untti all the data from the channels programmed to be scanned is stored in the buffer, j
.Numerica' calculation of the raw data may now begin. The CPU selects the most recent data entry from the buffer and divides it by 65536, the full scale count value of the ADC, to obtain the voltage value. The CPU checks the channel's format byte to determine the channel's assigned engineering unit (0-15). That unit's associated slope and intercept values (m and b) are user-accessible in CMOS RAM). The slope (m) is multiplied by the voltage value (x), then added to the intercept (b) to obtain the final data value (y). l The final daca value is printed out on all enabled outputs. The printout includes the channel number, the final data, the assigned engineering unit,-
and the channel header. Digital input data, headers, date, and time are also printed out. The PRIME computer was used to compute and print the leak rate data using either the ANSI /ANS mass plot method (ANSI /ANS 56.8), a total time method based on ANSI /ANS n45.4, or the BN-TOP-1 method. Key parameters, such as i total time measure leak rate, volume weighted dry air pressure and temperature, and absolute pressure were monitored using a Tektronix 4208 terminal and a Tektronix plotter. Plant personnel also plotted a large number of other parameters, including reactor water level and temperature, dry air mass, volume weighted partial pressures and temperature, total time leak rate, statistically averaged leak rate and UCL, and all sensor outputs in
' engineering units. In all cases, data was plotted hourly and computer sommaries were obtained at 10 minute time intervals. The plotting of data and the computer printed summaries of data allowed rapid identification of any problems as they might develop. Figure 2 shows a schematic of the data ,
acqu'sition system. A.4 Type A Test Pressurization 1500 and 1200 SCFM diesel ortven oil-free air compressors were used to pressurize the primary containment. The compressors were physically' located outside the Reactor Building. The compressed air was piped using flexible metal hose to the Reactor Building, through an existing four inch fire header penetration, and piped to a temporary spool piece that, when installed, allowed the pressurization of the drywell through the "A" containment spray header. The inboare., containment spray isolation valve, M0-1-1001-26A was open during pressurization. Once the containment was pressurized, the M0-1-1001-26A valve was closed and the spool piece was removed and replaced with a blind flange. 0483H/02142 n . ; Keasurement $yttem Schematic Arrangement
.r i (30) THERMISTORS l i
f i (10) DEWCELLS C i i
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- MULTIPLEXER :
n_n v , MI FLOWETER ' ColRAIWtENT FRE55URE INSTRUME:n , Q . RACK
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_ d DAS . ORYWELL PERSONNEL : INTERLOCR SULluitAS : RfD 6 DEWCELL llGNAL C0helfl00llNG CARDS PRttluRE GAUGE 5 l & l L Il0V PRIME COMPUTER l- FIGURE 2 l 0483H/0214Z ,
- ~ _ _ __. ._._- .__ ____ -
i SECTION B - TEST METHOD B.1 Basic Technique The absolute method of leak rate determination was used. The absolute method uses the ideal gas laws to calculate the measured leak rate, as defined l in ANSI N45.4-1972. The inputs to the measured leak rate calculation include subvolume weighted containment temperature, subvolume weighted vapor pressure, and total absolute air pressure. i As required by the Commission in order to perform a short duration test t (measured leak rate phase of less then 24 hours), the measured leak rate was i statistically analyze 6 using the principles outilned in BN-TOP-1, Rev. 1. A least squares regression line for the measured total time leak rate versus time since the start of the test is calculated after each new data set is - scanned. The calculated leak rate at a point in time, tj, is the leak rate on the regrestion line at the time tg. The use of a regression line in the BN-TOP-1, Rev. I report is different from the way it is used in the ANSI /ANS 56.8 standard. The latter standard
- uses the slope of the regression line for dry air mass as a function of time to derive a statistically averaged leak rate. In contrast, BN-TOP-1, Rev. I calculates a regression line for the measured leak late, which is a function ,
of the change in dry air mass. For the ANSI /ANS calculations one would expect to always see a negative slope for the regression line, because the dry air mass is decreasing over time due to leakage from the containment. For the regression line computed in the BN-TOP-1, Rev.1 method the ideal slope is zero, since you presume that the leakage from the containment is constant over time. Since it is impossible to instantaneously and perfectly measure the containment leakage, the slope of the regression line will be positive or negative depending on the scatter in the measured leak rate values obtained early in the test. Since the measured leak rate is a total time calculation, , the values computed early in the test will scatter much more than the values computed after a few hours of testing. The computer printouts titled " Leak Rate Based on Total Time Calculations" attached to the BN-TOP-1, Rev. I topical report are misleading in that the column titled " Calculated Leak Rate" actually has printed out the regression line values (based on all the measured leak rate data cc,mputed from the data sets received up until the last time listed on the printout). The calculated leak rate as a function of time (t ) can only be calculated from data available up until that po'nt in t'me, t i . This is significant in that the calculated leak rate may be decreasing over time, despite a substantial positive slope in the last computed regression line. Extrapolation of the regression line is not required by the BN-TOP-1, Rev. I criteria to terminate a short duration test. What is required is that the calculated leak rate be decreasing over time or that an increasing calculated leak rate be extrapolated to 24 hours. The distinction between the regression line values and the calculated leak rate as a function of time is made in Section 6.4 of BN-TOP-1, Rev. 1. Calculated leak rates, as a function of time, are correctly printed out in the " Trends Based on Total Time Calculations" computer printouts in Appendix B of BN-10P-1, Rev. 1. L l- 0483H/0214Z l
l Associated with each calculated leak rate is a statistically derived upper confidence limit. Just as the calculated leak rate in BN-TOP-1, Rev. I and the statistically averaged leak rate in the ANS!/ANS standards are not the same (and do not necessarily yield nearly equal values), the upper confidence limit calculations are greatly different. In the BN-TOP-1 Rev. I topical report the upper confidence limit is defined as the calculated leak rate plus the product of the two sided 97.5% T-distribution value (as opposed to the one-sided 95% T-distribution used in the ANS/ ANSI standard) and the standard deviation of the measured leak rate data about the computed regression line (which has no relationship to the value computed in the ANSI /ANS standards). There are two important con.clusions that can be derived from data analyzed using the BN-TOP-1, Rev. I method: 1) the upper confidence limit for the same measured leak rate data can be substantially greater than the value calculated using the ANSI /ANS method, and 2) the upper confidence limit does not converge to the calculated leak rate nearly as quickly as usually observed in the latter method as the number of data sets becomes large. With this in mind, the upper confidence limit can become the critical parameter for concluding a short duration test, even when the measured leak rate seems to be well under the max 1M m allowable leak rate. A graphical comparison of the two methods can be made by referring to Figure 3 for the BN-TOP-1, Rev. I calculated leak rate and upper confidence limit and to Figure F-1 in Appendix F for the statistically averaged leak rate and upper confidence limit based on ANSI /ANS 56.8-1981. This data supports the contention of many that BN-TOP-1, while it may not give the best estimate of containment leakage, is a conservative method of testing. The ANSI /ANS 56.8 data contained in Appendix F is provided for information only. The reported test results are based on BN-TOP-1, only. B.2 Supplemental Verification Test The supplemental verification test superimposes a known leak of approxi-mately the same magnitude as LA (8.16 SCFM or 1.0 wt %/ day as defined in Technical Specifications). The degree of detectability of the combined leak rate (containment calculated leak rate plus the superimposed, induced leak rate) provides a basis for rn olving any uncertainty associated with measured leak rate phase of the test. The allowed error band is i 25% of LA-There are no references to the use of upper confidence limits to evaluate the acceptability of the induced leakage phase of the IPCLRT in the ANS/ ANSI standards or in BN-TOP-1, Rev. 1. B.3 instrument Error Analysis An instrument error analysis was performed prior to the test in accordance with BN-TOP-1, Rev. 1 Section 4.5. The instrument system error was calculated in two parts. The first was to determine the system accuracy uncertainty. The second and more important calculation (since the leak rate is impacted most by changes in the containment parameters) was performed to determine the system repeatability uncertainty. The results were 0.1447 wt %/ day and 0.0191 wt %/ day for a 6-hour test, respectively. These values are inversely proportional to the test duration. The instrumentation uncertainty is used only to illustrate the system's ability to measure the required parameters to calculate the primary containment leak rate. The mathematical derivation of the above values can be found in Appendix 0. The method of calculating the equipment uncertainty is in conformance with the method outlined in BN-TOP-1. 0483H/0214Z It is extremely important during a short duration test to quickly identify a failed sensor and in real time back the spurious data out of the calculated !- volume weighted containment temperature and vapor pressure. Failure to do so can cause the upper confidence limit value to place a short duration test in jeopardy. It has been the stations experience that sensor failures should be removed from all data collected, not just subsequent to the apparent failure, in order to minimize the discontinuity in computed values that are related to the sensor failure (not any real change in containment conditions). For this test, no instrument failures were encountered before or after the start of the test. SECTION C - SEOUENCE OF EVENTS C.1 Test Preparation Chronology The pretest preparation phase and containment inspection was completed on November 14, 1989 with no apparent structural deterioration being observed. Major preliminary steps included:
- 1) Blocking open three pttrs of drywell to suppression chamber vacuum breakers.
- 2) Installation of all !PCLRT test equipment in the suppression chamber.
- 3) Completion of all repairs and installations in the drywell affecting primary containment.
- 4) Venting of the reactor vessel to the drywell by opening the manual head vent line to the drywell equipment drain sump.
- 5) Installation of the IPCLRT data acquisition system including computer programs, instrument console, locating instruments in the drywell, and associated wiring.
- 6) Completion of the pre-test valve line-up, This tett was conducted at the end of the refuel outage to test the containment in an "As Left" condition with repairs and adjustments. The Station has an exemtplon to 10CFR50, Appendix J requirements to allow performing the test at the end of the refuel outage.
0483H/0214Z a - ; C.2 Test Pressurization and Stabilization Chroulogy ; l E TIME EVENT
]
11-14-89 1304 Began pressurtzing containment. 1530 Snooped all accessible penetrations in Reactor
, Building. No leaks observed. ,
1530 Snooped top of torus. No major leaks observed. 1700 Snopped personnel interlock and CR bank. No leakage. l 1800 Torus water level leakage is approximately 0.1 in/hr. i
! 1848 Containment pressurized to 65 PSIA. ! 1903 Containment fully pressurized and the compressor is isolated. Beginning containment stabilization phase.
2200 Operating tightened the 1402-34B valve torus leakage appears to have stopped. i l l l l l- 0483H/02142 l u m_ ]
{ . j; . ;
*
- C.3 Measured Leak Rate Phase Chronology '
}. DATE TIME , EVENT
. 11-15-89 0035 Containment temperature stable below 0.5'F/hr. for the k last 4.0 hr. Rx water level stable below 1.25 in/hr for the last I hour. Rx water temperature stable below :
2*F/hr fo r the last I hour. 0035 Began measured phase base data set #56 of buffile ! 0300 Rx level from process computer failed. Configuration file will no longer compensate for changes in Rx Vessel Level. , 0645 Terminated measured leak rate phase at 6 hour 10 min, point, base data set #93 of bufflie. Calculated leak ' rate was 0.3786 wt%/ day and decreasing over time. The ,
; average measured leak rate over the last five hours was : ; 0.3836 wt%/ day. The upper confidence limit was 0.4480 ! wt%/ day all other BN-TOP-1. - C4 Induced leakage Phase Chronology !
DATE TIME EVENT 11-15-89 0715 Valved in flowmeter at 8.26 SCFM (75.7% scele reading) began induced stabilization base data set #96 of buffile. , 0725 Radiation Protection is collecting a sample 0825 Began induced phase of the test base data set #103 of l buffile the 1-hour stabilization required by BN-TOP-1 l was complete. 1145 Terminated induced phase. Base data set #123 of buffile calculated leak rate of 1.3502 wt%/ day. C.5 D_eDressurization Phase Chronology DATE TIME EVENT 11-15-89 1215 Began depressurization using procedure for venting through the standby gas treatment system. 1630 Containment depressurized. ; 1 0483H/0214Z -
t .; a' * -
DATE TIME EVENT .l l
i 11-15-89 1700 Technical Staff personnel entered drywell. No apparent ; structural damage and instruments are still in place. ! Checked sump levels in Drywell. Sumps were not pumped ; during the test. Over the duration of the test, Drywell i Floor Drain Sump level increased from 17.0" to 20.0". ! The Drywell Equipment Drain Sump increased from 7.0" to i 19.0". 1700 Made initial entry to suppression chamber. No apparent I damage and all instruments still in place. 3 SECTION D - TYPE A TEST DATA , D.1 Measured Leak Rate enase Data A summary of the computed data using the BN-TOP-1, Rev. I test method for a. . short duration test can be found-in Table 3. Graphic results of the test are found in Figures 3-7. For comparison purposes only, the statistically averaged leak rate and upper confidence limit using the ANS/ ANSI 56.8-1981 standard are graphed in Figure F-1. A summary of the computed data using the ANS/ ANSI standard is found in Appendix F. D.2 Induced Leakaae Phase Data i A summary of the computed data for the Induced Leakage Phase of the IPCLRT is found in Table 4. The calculated leak rate and upper confidence limit using the BN-TOP-1, Rev. I method are shown in Figure 8. The measured leak rate and last computed regression line are shown in Figure 9. Containment conditions during the Induced Leakage Phase are presented graphically in figures 10-12. l 0483H/0214Z &
r- i I LA Heasured Leak Rate Test Results i TABLE 3 HEAS. CALC. UPPER DATA TEST AVE. DRY AIR LEAK LEAK CONF. l SET TIME DURATION TEMP. PRESS. RATE RATE LIMIT l 56 00:35:48 0.000 93.6 64.2778 --- --- --- 57 00:45:48 0.161 93.6 64.2738 0.2299 --- --- i 58 00:55:48 0.333 93.6 64.2697 0.3740 --- --- 59 01:05:48 0.500 93.6 64.2659 0.2585 0.3017 1.3293 60 01:15:48 0.667 93.5 64.2606 0.3876 0.3661 0.7677 61 01:25:48 0.833 93.5 64.2567 0.3953 0.3979 0.6510 62 01:35:48 1.000 93.5 64.2534 0.3681 0.3987 0.6034 63 01:45:48 1.167 93.5 64.2494 0.3520 0.3906 0.5731 64 01:55:48 1.333 93.5 64.2456 0.3488 0.3834 0.5488 . 65 02:05:48 1.500 93.4 64.2412 0.3816 0.3906 0.5374 ! 66 02:15:48 1.667 93.4 64.2379 0.3764 0.3933 0.5272 ; 67 02:25:48 1.833 93.4 64.2340 0.3723 0.3936 0.5183 68 02:35:48 2.000 93.4 64.2308 0.3707 0.3931 0.5106 69 02:45:48 2.167 93.4 64.2268 0.3811 0.3953 0.5058 70 02:55:48 2.333 93.4 64.2232 0.3677 0.3933 0.4995 71 03:05:48 2.500 93.3 64.2199 0.3679 0.3917 0.4939 1 72 03:15:48 2.667 93.3 64.2169 0.3778 0.3925 0.4903 ; 73 03:25:48 2.833 93.3 64.2136 0.3701 0.3914 0.4860 74 03:35:48 3.000 93.3 64.2103 0.3644 0.3893 0.4813 75 03:45:48 3.167 93.3 64.2071 0.3730 0.3891 0.4782 76 03:55:48 3.333 93.3 64.2043 0.3658 0.3875 0.4743 77 04:05:48 3.500 93.3 64.2010 0.3556 0.3843 0.4698 78 04:15:48 3.667 93.2 64.1986 0.3507 0.3807 0.4652 79 04:25:48 3.833 93.2 64.1949 0.3617 0.3793 0.4618 - 80 04:35:48 4.000 93.2 64.1919 0.3678 0.3791 0.4595 81 04:45:48 4.167 93.2 64.1889 0.3609 0.3778 0.4565 82 04:55:48 4.333 93.2 64.1857 0.3548 0.3758 0.4531 83 05:05:48 4.500 93.2 64.1833 0.3616 0.3750 0.4507 84 05:15:48 4.667 93.2 64.1803 0.3561 0.3735 0.4479 85 05:25:48 4.833 93.2 64.1764 0.3657 0.3734 0.4462 86 05:35:48 5.000 93.1 64.1747 0.3511 0.3714 0.4432 87 05:45:48 5.167 93.2 64.1686 0.4127 0.3773 0.4492 88 05:55:48 5.333 93.1 64.1692 0.3557 0.3757 0.4467 89 06:05:48 5.500 93.2 64.1617 0.4242 0.3822 0.4539 90 06:15:48 5.667 93.1 64.1643 0.3594 0.3807 0.4517 91 06:25:48 5.833 93.1 64.1619 0.3476 0.3780 0.4488 92 06:35:48 6.000 93.1 64.1595 0.3495 0.3758 0.4461 93 06:45:48 6.167 93.1 64.1518 0.3954 0.3786 0.4480 0483H/02142 b
o Induced Leakage Phase Test Results TABLE 4 MEAS. CALC. UPPER DATA TEST AVE. DRY AIR LEAK LEAK CONF. SET TIME DURATION TEMP. PRESS. RATE RATE LIMIT 103 08:25:48 0.000 93.0 64.0966 --- --- --- 104 08:35:48 0.167 93.0 64.0900 1.2358 --- --- 105 08:45:48 0.334 93.0 64.0833 1.2154 --- --- 106 08:55:48 0.500 93.0 64.0772 1.2699 1.2573 1.5541 107 09:05:48 0.667 93.0 64.0707 1.2786 1.2773 1.3865 108 09:15:48 0.834 93.0 64.0641 1.2675 1.2788 1.3583 109 09:25:48 1.000 92.9 64.0571 1.2882 1.2897 1.3497 110 09:35:48 1.167 92.9 64.0516 1.2452 1.2756 1.3510 111 09:45:48 1.334 92.9 64.0436 1.2886 1.2846 1.3495
, 112 09:55:48 1.500 92.9 64.0379 1.2533 1.2769 1.3423 113 10:05:48 1.667 92.9 64.0314 1.2752 1.2791 1.3382 114 10:15:48 1.834 92.9 64.0252 1.2655 1.2774 1.3330 115 10:25:48 2.000 92.9 64.0192 1.2632 1.2753 1.3282 116 10:35:48 2.167 92.9 64.0127 1.2550 1.2715 1.3229 117 10:45:48 2.334 92.9 64.0066 1.2621 1.2703 1.3192 118 10:55:48 2.500 92.9 63.9967 1.3850 1.2990 1.3796 119 11:05:48 2.667 92.9 63.9902 1.3834 1.3215 1.4102 120 11:15:48 2.834 92.9 63.9842 1.3700 1.3366 1.4244 121 11:25:48 3.000 92.9 63.9783 1.3461 1.3439 1.4281 l 122 11:35:48 3.167 92.9 63.9729 1.3405 1.3487 1.4299 123 11:45:48 3.334 92.9 63.9662 1.3272 1.3502 1.4296 l
i 0483H/0214Z l
i j MEASURED LEAK RATE PHASE GRAPN OF CALCULATED LEAK RATE l AND UPPER CONFIDENCE LIMIT ! n , BN -TOP- 1 LEmKRATES VS TIME i.e : : : : : I r.. tJ6 - J i ... - -- E ; 6. __________.naum g -_ M 0.00 ' est urren courzoswer tzurr { 0.* - p - 0.30 - o4o . : : : : : 0.11 : i.3J L33 3.33 4.33 5.33 8.33 7.33 HOURS ! SOFTWARE ID NUMBER: GNO1405-0.0 b FIGURE 3 0483H/0214Z f e , _- -. _. .~ . . _ _ . . . . . _ _ . . . _ _
-MEASURED LEAK RATE PHAR- ,
GRAPH Of TOTAL TIME NEASURED ; LEAK RATE AND REGRES$10N LINE i I i TOTAL TIME LEAkRATES VS TIME l i i 1.30 : , ; i i.03 - 0.04 - 0.75 La LIMIT E 0. -- -- 5 M - 0.81 -- WFAL f!ME MEASURED LEAKRATE 044 - [ RacREssioN LINE 0.17 -- o.co : : , : : : 0.33 1.32 1.33 a.33 +.3 3 s.33 a.33 7,p t HOURS SOFTWARE ID NUMBER: G N O 1405-0.0 l t FIGURE 4 4 0483H/02142 ..
MEASUREf t.EAK RATE PHASE e GRAPH OF DRY AIR PRESSURE l i CONTAINMENT DRY AIR PRESSURE VS TIME - 64.3000 l l ; ; ; ; i 6; . 1500 < - ., 64.200, <- .. i 64.1800
'64.1000
64.0500 <- 64.0000 ** 63.9500 ; ; ; ; , g. om 1.00 1.00 3.00 6.00 s.co a.oo 7.oo , HOURS j SOFTWARE ID NUMBER: GNO1405-0.0 i i r l I l FIGURE 5 0483H/0214Z i _ I
f
- k. ., ..
j
- MEASURED LEAR, RATE PHASE GRAPH OF VOLUME WEIGHTED !
-AVERAGE CONTAINMENT VAPOR PRESSURE !
e i' j t
' CONTAINMENT VAPOR PRESSURE VS TIME o.612o : : : : : :
[ g o.61oo < l o.6oso -- .- f . i 0.6060 ' h t 0.6040 ' 0.6020 -- [
'i 0.6000 a-O.soso : , : ,
0.00 1.00 1.00 s.00 + 00 a.co s.oo 7.0o
' HCA)Rs SOFTWARE ID NUMBER: GNO 1405-0.0 .
t FIGURE 6
'0483H/0214Z
.,r.. ?l. j ; l i
MEASURED LEAR RATE PHASE l GRAPH OF VOLUME , WEIGHTED AVERAGE CONTAINMENT TEMPERATURE i t i CONTAINMENT AIR TEMPERATURE VS TIME ! i es.ao : : : : : : , ss.co . i i ss.4e <- w ,s.go -- u W ,
+
ss.oo .- sg go --
;i t
9 .0o <- sr.4e : : : : : : p o.co 1.00 2.00 3.oo +.co s.co s.co 7.oo L', HOURS () SOFTWARE ID NUMBER: GNO1405-0.0 " L k 1 t,
- { \:
W e
.-i:
TABLE 7 0483H/0214Z '
l INDUCED LEAKAGE PHASE . GRAPH OF CALCULATED I LEAK RATE 1 i l l
)
B N -TOP- 1 LEAKRATES VS TIME ! I 1.76 ; ; ; ; ; ; UPPER ACCEPTANCE LIMIT 1.s 0 - 1.80 --
.. TARGET LEAK 1.40 _ . _ _ _ _ _ _ _ RATE _ _ _ _ _ _ _ _
f H
~
e 1.30 _ CALCULATED LEAKRATE 1.30 ' l 1DWER ACCEPTANCE LIMIT 1.10 " ' 1.00 ; ; ; ; ; ; 0.33 0.7J * .13 1.63 1.93 f.33 2,73 3.13 HOURS SOFTWARE ID NUMBER: GNO1405-0.0 FIGURE 8 0483H/02142 , _ _ -
a INDUCED LEAKAGE PHASE GRAPH OF TOTAL TIME 1 MEASURED LEAK RATE AND REGRESSION LINE ] TOTAL TIME LEAKRATES VS TIME ; i.n : ; ; ; ; ; UPPER ACCEPTANCE LIM.T , t.so - 130 -- a 1,4g - T_ARG__ ____ ET_ LEAKRATE_ _ _ .. _ _ _ _ _ _ ,. _ _ _. _ _ ; g _ - - _ - - - - - - - - - - - ee RE3RESSION LINE , TOTAL TIME MEASURED LEAKRATE e 1.30 .. IM ER ACCEPTANCE LIMIT 1.10 .. 1,00 : : , 0 33 9.7J 1.13 1.63 1.g$ t 3i 3,13 3,13 ( HOURS SOFTWARE ID NUMBER: G N O 1405-0.0 I FIGURE 9 0483H/02142 4 1
i
? '~ INDUCED LEAKAGE PHASE !
GRAPH OF VOLUME [ WEIGHTED AVERAGE CONTAINMENT TEMPERATURE ; CONTAINMENT AIR TEMPERATURE VS TIME i i
$3.MH 93.6cH. '-
42.6800 <-
" er.tosa --
es.a.a -- 42.0o00 * - 42.7800 ' er,7oog : . . : : : o.co o.no 1.00 1.60 a.co t.no 3.00 a.so HOURS SOFTWARE ID NUMBER: GNO1405-0.0 ; I l l l i FIGURE 10 0483H/0214Z ,
i i INDUCED LEAKAGE PHASE GRAPH OF VOLlME ! WEIGHTED AVERAGE CONTAINMENT VAPOR PRESSURE j l CONTAINMENT VAPOR PRESSURE VS TIME
.i o.4640 : : -
i e.s6te -- 04630 -- o.. . 0.4006 - o.seso .. 0.8800' .. r esem : : . : : - o.00 0.60 1.00 1.60 t.oo 3.50-3.00 3.so HOURS SOFTWARE ID NUMBER: G N O 1405-0.0 4 FIGURE 11 0483H/02142 .
F
.o o INDUCED LEAKAGE PHASE GRAPH OF DRY Alk PRESSURE CONTAINMENT ORY AIR PRESSURE VS TIME i'
- 64.1500 l l ,
- 64.1000 a 64.0600 -
64.0000 '-
<=
63.9500 ** 63.9000 '- 63.8600 a-63.8000 ; , ; ; ; e.co o.a . t.oo 1.se t.oo a.so 3.00 3.so HOURS SOFTWARE 10 NUMBER: G N O 1405-0.0 i FIGURE 12 0483H/0214Z L L
- 1. . ___--_=___ _ __ _ _:_ _ _ _ __ - _ _..- - - _- - - - - - -
?
I GRAPH OF REACTOR WATER LEVEL THROUGH TESTING PERIOD RX VESSEL LEVEL VS TIME 106.6e ; , so.se .. .. 40.00 -- <- 40.00 -- go.go .. .. 0.00 -- l
.go,oo . .
-40.00 0 ; ; ; ; u ;
o.00 1.70 3.40 s.to s.co a.no 10.so 11.so HOURS SOFTWARE ID NUMBER: GNO1405-0,0-1: i FIGURE 13 l i 0483H/02142 - . . - . .-. _ -. . . _ . _ _ _ _ _ _ _ _ _ - _ _ _ . ..
l
. l GRAPH OF TORUS WATER LEVEL THROUGH TESTING PERIOD i
i
' ~~
Q AJ C ES N ON : ; IPCLRT TORUS LEVEL ! t Q,6 1 1 I l i l i i i l i i 1 i i i i i i 1 i I I I I I I I I I I I I I I I I I I I I I ! 0.5 - .
, 0.4 - -
C 0.3 - - l 1
- u. 0.2 - .
z . . . O 0.1 - s g 0.0 * . . - 9 -0.1 - . m -0.2- - o
@ -0.3 s ;
-0.4-
-0.5 -
-0.6 . i > .. .... .. ,,, ..
l 0 1 2.3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 22 2 0 1 2 3 4 5 6 7 8 9 0 1 2 l ilME (HOURS) l l FIGURE 14 l-0483H/0214Z l . _ _ -
SECTION E - TEST CALCULATIONS Calculetions for the IPCLRT are based on the BN-TOP-1, Rev. I test method , and are found in the functional requirements specification Ceco Generic ILRT computer code Software ID No. GN1405-0.0, Document 10 No. ILRT-FRS-0.0. A reproduction of the BN-TOP-1, Rev. I test method can be found in Appendix C. In preparing for the first Quad Cities short duration test using BN-TOP-1, Rev. I a number of editorial errors and ambiguous statements in the topical report wert identified. These errors are presented in Appendtx E and are editorial in nature only. The Station has made no attempt to improve or dev! ate from the methodology outlined in the topical report. Section 2.3 of BN-TOP-1, Rev. I gives the test duration criteria for a short duration test. By station procedure some of these duration criteria have been made more conservative and in some cases these changes may be required by regulations. A. " Containment Atmosphere Stabilization" Once the containment is at test pressure the containment atmosphere shall be allowed to stabilize for about four hours ( 4 hours required by Quad Cities procedure and actual stabilization: 5 hrs, 32 min) The atmosphere is considered stabilized when:
- 1. The rate of change of average temperature is less than 1.0'F/ hour averaged over the last two hours.
DATA SET
- AVE. CONTAINMENT TEMP. j a
55 93.649 49 93.801 0.152 43 93.971 0.170 average: 0.0161*F/ hour
- Approximate time interval between data sets is 10 minutes, or
- 2. "The rate of change of temperature changes less than 0.5'F/ hour / hour averaged over the last two hours."
(Not required if A.1 satisfied)
- 8. Data Recording and Analysis
- 1. "The Trend Report based on Total Time calculations shall indicate that the magnitude of the calculated leak rate is tending to stabilize at a value less than the maximum allowable leak rate (LA) "
i By Quad Cities procedure the calculated leak rate must be less ; than 0.75 LA . The actual value was 0.3786 LA, stable, and l decreasing (no extrapolation required). l and 0483H/02142 '
"The end of the test upper 95% confidence limit for the calculated ~'
2. leak rate based on total time calculations shall be less than the i maximum allowable leak rate." By Quad Cities procedure the upper confidence limit must be less r than 0.75 LA . The actual value was 0.4480 LA- ' and
- 3. "The mean of the measured leak rates based on Total Time calculations over the last five hours of the test or last 20 data ,
points, whichever provides the most data, shall be less than the maximum allowable leak rate." By Quad Cities procedure this average must be less than 0.75 ; L. A The actual value was 0.3678 LA for the last 5 hours. , and-
- 4. " Data shall be recorded at approximately equal intervals and in no case at intervals greater than one hour." ;
At Quad Cities data scans are automatically performed on 10 minute intervals. No data sets were missed or lost during the 6 hour test period. No computer failures were encountered. and
- 5. "At least twenty (20) data point shall be provided for proper "
statistical analysis." There were 38 data sets taken for this test, and
- 6. "In no case shall the minimum test duration be less than six (6) hours."
Quad Cities' procedure limits a short duration test to a minimum of six (6) hours. The data taken during this test supports the ' argument that a shorter duration test'can be conducted. All of the above termination criteria were satisfied in six (6) hours. SECTION F - TYPE A TEST RESULTS F.1 Measured Leak Rate Test Results Based upon the data obtained during the short duration test, the following results were determined: (LA = 1.0 wt %/ day)
- 1) Calculated leak rate at 6 hours equals 0.3786 wt %/ day and declining steadily over time (<0.7500 wt %/ day).
0483H/0214Z l
- 2) Upper confidence limit equals 0.4480 wt %/ day and declining (<0.750 wt ,
%/ day). ;
- 3) Hean of the measured leak rates for the last 5 hours (31 data sets) equals 0.3836 wt 1/ day (<0.750 wt %/ day).
- 4) Data sets were accumulated at approximately 10 minute time intervals and no intervals exceeded I hours. !
- 5) There were 38 data sets accumulated in 6 hours measured phase.
- 6) 'The minimum test duration (by procedure) of 6 hours was successfully ,
accomplished (1 6 hours). t F.2 Induced Leakage Test Results A leak rate of 8.26 scfm (1.0123 wt %/ day) was induced on the primary containment for this phase of the test. The leak rates during this phase of the test were as follows. BN-TOP-1 Calculated Leak Rate 0.3786 0.2786 (Measured Leak Rate Phase) Induced Leak (8.26 scfm) 1.0123 1.0123 Allowed Error Band +0.2500 -0.2500 1.6409 1.1409 BN-TOP-1 Calculated Leak Rate 1.3502 wt %/ day (Induced Leak Rate Phase) The induced phase of the test has a duration criteria given in Section 2.3.C of BN-TOP-1. The test duration requirements are listed below and were satisfied by the test procedure and the data analysis:
- 1. Containment atmospheric conditions shall be allowed to stabilize for about one hour after superimposing the known leak. (actual: I hour, '
10 minutes).
- 2. The verification test duration shall be approximately equal to half the integrated leak rate test duration. (actual: 3 hours, 20 minutes .
for a 6 hour test) '
- 3. Results of this verification test shall be acceptable provided the correlation between the verification test data and the integrated leak rate test data demonstrate an agreement within plus or minus 25 percent. (actual: see results above) 0483H/02142 4 1
I _
L. q f.3 Pre-Operational Results vs Test Results l Past IPCLRT reports have compared the results of each test with the pre-operational IPCLRT, performed April 20-21, 1971. Over the last 15 , years, different test equipment, sensor locations and number of sensors, test methods, and test duration have been used. This test yielded results that compare favorably with recent tests and demonstrate that there has been no substantial deterioration in containment integrity. > TEST DURATION CALCULATED LEAK RATE STATISTICALLY AVE. TEST DATA (HOURS) (BN-TOP-1) LEAK RATE (ANSI /ANS) April, 1971 24 Not Avail. 0.111 february, 1979 24 Not Avail. 0.3175 December, 1982 12 0.4532 0.3796 July, 1984 24 0.4281 0.2297 March, 1986 12 0.2286 0.2286 December, 1987 6 0.3194 0.3162 November, 1986 6 0.3786 0.3714 f.4 TYPE A TEST PENALTIES During the type A test, there were a number of systems that were not drained and vented outside the containment. The isolation valves for these systems or i penetrations were not " challenged" by the type A test. Even though these systems ! would not be drained and vented during a DBA event, historically, penalties for these systems have been added to the type A test results. 0483H/02142 L
t i . { '
'D--
AS LEFT MINIMUM PATHWAY LEAKAGE SCFH WT%/ DAY j p Primary Sample Valves 0.035 0.00007 '- ACAD 1.5 0.00306 RHR A 3.02 0.00616 L -RHR B 7.72 0.01576 Feedwater- 6.72 0.01372 DNFDS 0.0 0.0 l DHEDS 0.0 0.0 i RCIC Steam Ex. 4.22 0.00861 RCIC Drain 5.0 0.01021 , HPCI Steam Ex. 1.61 0.00329 HPCI Drain 0.5 0.00102 , L All Electrical Penetrations 4.83 0.00986 , Oxygen Analyzer. 0.0 0.0 t Tip Purge Check Valves 9.0 0.01837 CAM-Isolation Valves & Panels 0.0 0.0 1-262-2-3A, B & 4A, B 0.0 0.0 r 44.155 0.09012 This penalty increases the type A test result to 0.4687 wt%/ day with an upper , confidence limit of 0.5381 wt%/ day. ! F.5 EVALUATION OF INSTRUMENT FAILURES , Prior to the start of the test and during the test no instrument failures - were encountered. i e P I 0483H/0214Z
.q.
f.6 AS FOUND TYPE A TEST RESULTS
'The following table summarizes the results of all type B and C testing, as well as the IPCLRT results to arrive at an "As Found" type A test result.
Since the total is more than the 0.750 wt %/ day, the present schedule of performing a type A test every refuel outage must be maintained.
SUMMARY
OF ALL CONTAINMENT LEAK RATE TESTING DURING UNIT TWO REFUEL OUTAGE SPRING. 1988 AS FOUND (SCFH) AS LEFT (SCFH) MINIMUM PATHNAY MINIMUM PATHHAY F LEAKAGE LEAKAGE (1) MSIV's @ 25 PSIG 20.74 10.96 (2) MSIV's converted 32.77 17.32 to 48 PSIG* (3) All Type C Tests 2419.03 65.49 (Except MSIV's) (4) All Type B Tests 40.13 24.43 TOTAL (2 + 3 + 4) 2491.93 107.24 (1) Type A Test Integrated Leak Rate Test) - 0.3786 wt %/ day (2) Upper Confidence Limit of Type A Test Result - 0.4480 wt %/ day (3) Correction for Unvented Volumes During Type A Test - 0.0901 wt %/ day (4) Correction for Repairs Prior to Type A Test = 4.8708 wt %/ day (2491.93 - 107.24) (As found - As Left) 489.59 (5) Correction for Change - 0.003 wt %/ day in Sump Levels TOTAL (2 + 3 + 4 + 5) 5.412 wt %/ day (As Found ILRT Result) u
- Leak Rate at 25 PSIG converts to Leak Rate at 48 PSIG using conversion ratio of 1.58. REFERENCE ORNL - NISC - 5, Oak Ridge National Laboratory, Aug. 1965, page-10.55.
1 0483H/02142 1 ___._____________.o
e- 3
.. 4 4
i I p I APPENDIX A TYPE B AND C TESTS Presented herin are the results of local leak rate tests conducted on all .i penetrations, double-gasketed seals, and isolation valves since the previous IPCLRT in December, 1987. Total leakage for double gasketed seals and total leakage for all penetrations and isolation valves following repairs satisfied the Technical Specification limits. v 0483H/0214Z i
g _ _- A i 4 *
,j li , . 1e --;
7e; J 1 il
?
P 7 t if ; t OTS 100-81 c' fili'.11EL be AGE LOCAL fievision 7 LEAS. MTE TEST StaalARY tiny 1987 f", r ' g. APPROVED insi l Tins sas. - SEP 091961 ; a=5FsTArc is. , . . suPv arvi ., Q.C.0 S.R. l A1_F9WIEL(jGFtt) AS LEFT_ _(SCFH) __ WALVE($)/ - NINitRal IIAXittaf Mihilth 3 IIAX14Rai :
-- j aSGIIPflike PEldiftATION DATE -T0TAL P4fteAY PAfteAY DATE ToiAl PAfteAt i DATieAY I I
-l AD 203-1A.2A it re til 3 F.7/ l 2.at lJ7. tr $$b b'? 'Nh 'O I' 3 ldbly i fLaiv l AD 203-18.248 li ie.s f l f.9/ LIV ( Ic t/ ltse selr.9s i IVt l e. t> j. .
~ 'fdfA 1 A0 acG 4 .2C 19- as .2 91 (. 91 1 3.v( y r.9 / 19.,..,, I c Ti I 3 V( l c.9 s ;(
Q l-
, D' N$ly I A0 M1-10.20 11 m.r11 M.15 i S.7( l M./9 l#+rfI/./r I o.rv i /./ r l .
T0TAL 19. F# ' TOTAL' (0 16 p TOTAL CORRECTED * /Rff TOTAL C0fulECTED
- O *37-
[ WL GRAls i HD 220-1.? 19-m-e9 i /. 5 9 10.to I / Ft ' 19-re s+1/ r t I a. to I /. r 9 -l . l, .gge4RY saas'LE I A0 220-44.45 lu a,.ril o.o') - 1 0.o s t I o.07 im ai.ed nov'I a w la , l 0 lie S.211 3tif Ir.72 '
' A' FEE 0 EATEN CV 220-beA.62A l J V Yt I A-5411374(1,6.';2 12'44 l
, 'a' FEtasATER' .1 CV 220-588.62B l'E UD l522.9( l ran 1//*/33110.9d 1 0.0' l 0. ftt l
- M .f0.RA0pA61( l 1g) 1001-20.21 'le-ii.st I 5.2 I o.0 - l F. 2 It-re.rti f.2 I o.o i s.2 l' t le apnAY -
.'A' ___ l IN) 1001-23A.26A- IT /#.sil 2.2 V l /./2 lJ..?9[Y'D W Y E2 ! Pi['a-~ t'+A ' 3
'A' M E ftsel. 1 IE) 1001-20A lt g st i 3.02 l 3.0 2 13.02 19g stt _ s.'et Itot i 1. o t_l
, ' A' 10ftJS (20 LING EPRAY # [
- IA) 1001-34.36.37A 19-i+t11 V. S'V I 2. A 7 l F. r f l hT-49 i 4-59 1 2.77 14 5Y l
,. D SPRAY 1,isi "21-220.268 l/e n.ni C.r# l2.79 i f. ff 1/e-rw nl r.rs 1 2.99 ls.r F l-L.i 'B' het Mitsef i 400 1001-M lu-a.nl /S. YY I 7.72 lir. tf II6-/N71 IS VV l ~7,'J ? I /s.YY l
,. 't' Toma$ 000LIIIQ/ SPRAY l MD 1001-34.36.378 . ire _n fil 2.F/ I /9'/ las/ Im.a.e91 2.9/ l A Y/ 12.s/ l PACE TOTAL l NA l l l l (EXCD . MSIV'S) l l l l
ll NA l7/. 3I ' M* U ' [ 8'II,1 *
------['
y, , y 10/0sses. .UD : u.Jehmef ' a I {
.0483H/0214Z p i
._ - - -- - -- - - - --~
i c* .
,e-
+
L-I' ' l V I J. l s
~j i
ftEFW L CllTAE LOCAL - QTS 100-81 LEM AATE TEST matieflY novision 7 Wii , l- - AB F0lse (SOFM) AS LI FT (80FH) VALVE (8)/ NINattal 414xittal
- l. nseralPflWI PE9ETRAflGI 041E 10TAL PATmAY NINittal 184XW PATimAY DATE TOTAL PAfinAY PATWAY i-mais coottelo . I am 1001-47.80 19-t73113.12 1 15's 1 3./E It..ts.e4 L # 2 - I /_ cc 1s.12 (.
t IEAD AFnAV l IID 1001-40.43 W ' ' ' l l l ; i iCLEAN up auCTIGN I to 1201-2.5 l'f* 41 18d* O'l 4 30 o I- % a o 1//+rfl S.S Y l .2. 77 If5F l' K z nCIC sTE m a sPLv i uD 1301-is.17 11 #141 6,/ I O. ( l O,/ 1,. a l o.r , l' o ,e I o. i . IICIC STEAll EmeAUST- 1 CV 1301-41 I' $ ;p 19/ Mil 14211 4. 2 A I 4. A 3 19 / stif'r it22 14'. 1 1 l
'llCIC VAC. .TalP EX. 1 CV 1301-40 I N dil f.[l i f.M l M O 19-m.H l f.08 i red i T.oe l-05/1988 FIM E R FPL1 l AD 1409-21.22.56.Balt.ss571 0.0 100 100 19. .. ,1 n.no i no. I .a ~j' l? : De/70fts FWGE EX ' *f ' ~.
l.2(l.** .l [ l AO -1401-23.24.00, - li'#lb t- 61.82.63 l 1 i N.m i # llM lI-l I l d.O I l- * [ ' .' A' 78518 WEffi lA01901-20A. l#l 0.M l 8 312 .l l'
.l ,
I o.tas 1 0 312 l p. O s- -lg., l
. . l l1 l CV 1601-31A l T*d 1 i W,, i M6 - lt.4,,, r l
aJ 180' Tim s VEsif. -lA01601208, l# l l-002.--lI - l l l= l ' l --
.. I CV 1401-318 ~ 19 Ja.t310 0 f I N;),,,,,,104 3 :- 19.ew04 3 1 08A 141 0.3 .g-
. gg/ torus MmDE. I AD 1401-57.58.80 as FLOOR DAAIN Rap lil-Afll 3.f f ' l. ~/S" l 3.S 1// re.nl 3 5 l /.9f i 1,5 -
l-i A0 2001-3.4 o.o I 0. o 05 EG. EII. Alap 1621 l o. o - 1 R MiI 0.01 0.o ( o. o - - l i 40 2001-16. 18 l$ 4 311 0.o -l Co ~l a e-
. trCl STEAlf alFPLY l 110 2301-4.5 M.h-til 0 0 1 00 1 0.o l enci stem Ex. l M ift l/.[ / l 2.29[ 1 M//' 19-ret'l l Lt.61 1 d .51 - l 4(.g/ g.
- I Cv 2xt-4s 14-1061 Idts l llX;p{l //Kot in is.ss l 'I.GI I I.st i 1. s t l.
;tgj.anniNFOTEx.
- os mEtaAATIC =
-I cV 2 mi-34_ 19-/v +71 0,f I O # 1 C # l w Ie.s l e.s I o.s E;. i 1 A0 4720. 4721 IMWl 8,/' / I 6B l 6, Y I454110. Ll ! 00 I o,y _g' APPet0VED - l l
1 1 1 I g.g i j PAGE TOTAL l NA l g 3,g ljgyj,9g l 7 9 3 ,,,7l1 sea Il 97,g 1l79,f, l t SEP OS 11167 l '
' N EE g LLA 's i oggd o b.A ,q' qs*
90/ Ole 84 - i x0483H/0214Z . Ijg ' i
l.
/y Le * {'
I l
?
b I f 4 b MFUEL 0WTam LOCAL OTS 100-81 i LEast RATE TEST SaalMtf Asvision 7 ' TOnL
.eggg,ggygg} gg Lppy (ggpy) ;
t ,h) ,a VALVE (S)/ - Niiltleal ,teWiltaad . . Isamlatas Itulianai ' as*=PT imi PEIEfflAf f olf oATE ToTu PAftenf PATenAY DATE Tofu PAINEAY PAlenAY &
' a "-" V2aA l ao anoia. ano2A - l'o "1 1 0 0 i CL O l 0 0 - If t #411 001 00 l Oo l 0'Sau rzen i ao anois anos l'e. re '1 l 1 ? I o ll 5 5 lin **il 18 I o.o 1 ' 4.r i_
g h v2am i e anoic. amonc 110 # 71 1 0 . 7 I o I o.7 IMI 0 7 -l 00101 l, g h v2am -l ao ansio. ascan in 9711 c.8 I o I- o.2 llo +4110 f l 0o 1 0T l . g"-"v2aa i m . anoe 11*16hl UD't,2.o l V6 lits.mit.o i n,o 1 t. o l TIPanLVnW I 733-1 l 733-r lf4tfI O,0 l 4# l 0O in-to-ril o o 1 06- i o.o l
, - Q antVuW if-/f til Vf I t/,f l W lli/oMi-o o l G, 6 l'00 l-TIP tall VALW l 733-3 19'/fdi'd. 2 I #,2 1 S, J. I miti l ao l 6. o - l ' O .o n l TIP AALL Vu W l 733-4 19 /f fYl 8,3 l 8, f ~ l 8, J lu-se 911 0.o 1 0.0 l ' o. o l T4P AEL VnN l 733 5 18ft-fil 0,0 1 0,0 i B, O IH-ro h l 0.o l 6. O ' I ~ 0. o l-flP MAGE GEQI l 700-743 if-8dl 9,M i 9,0 l 9,0 lhHil 9.0 1 C.o f I 9.o -l.
cais - l 30 24es-iA.2A 19-/fWi O, O l 8, O I - 8. O - l Mfl l C.0 l b.o l.o.. g cas2 I so 24es-te.as 19-/944i O.0 1 0,O I O. O 11-n e11 O.o 1 0ol O.o l [ tais ~l so 24es-3A.4A lY7N/l O O l 0, O I (s O 19:411-6.oI o.o I o. o l cats i 30 foo-as.e 17-/(4'116,01 0, O ~ l - O/U l'l M41 D,o 1 0.o-l 0,o l l o acan 1.no snes-na.r3A 19/ffli '/.0 I o.O I 8/. O W->ftfi f,O I M i M/ l acan I ao rees-a.2m 19 /f M ?I,XI O,4/ l 12,ft' 19sr-ff) 0.0 I o,0 i 0,0 l : acan l'ao asso-3A.24a ift1-V41 0,7 1 0,0 1 0,7 if-x.pft M,t/ I O, o i O, y l L acan I ao asso-a.re 10 # 1'11 0.6l 1 0,0 1 0,8/ if s sfi o. 1 1 0, 0 i O. 9 l Acan _ _.I ao tsee-4A.sA 1.leff.I t/f l 0, /> 1 7,1 19nni 44 1 0.6 13r l l l acas i ao esee-4s.2 19lN 11 0.&/ l 0,01 0, 4/ 19e 1 c.cl i o.o i o.y l , I
-APPROVED l l l PAGE TOTAL l hA l O b ll !9* 'l l I tea l4 7.5' , l /0.5 l gf.o _ l 1
b: $EP 091981 l- - io/ciaa* ~ 0.C.O S< R. , p l l o :0483H/0214Z.. L
?. ; ,
- m ,
t
. .. s4 J i ' ,:-
4
-]j i
l r
?
I IIEFUEL QUTA4E LOCAL OTS 100 LEAK MTE TEST StaseARY I W ilen 7 ' AS POL 88 (SCFH) - AS LUFT (SCPH) VALVE (8)/ WINitaal 114x144R1 blNittai MaxilAAi 1 _DEamiPTICII PEN TM T10N DATE TOTAL PAfimAY PATieAY DATE TOTAL PATieAY PAneAY EeulFMENT itATOf i x-1 lb.e91 o-o I oa i d0 ' M " ; o.O i 60 1 0.o [ De ACCESS Mime 1 x-4 til*411 1.0 l 0 5 l' l.O M P3 - l.0- i o . 5' i ). o i. mo unfat l x-e ilo.4811 0.0 1 0.0 i 0. o ' ET; o.0 - t 00 i 0. o l; Tip PEMTMil0N ' I x-36A 1tr2hl O.O i o.o i o.o 19.ti.4116. O i 0. o I O. O j.
.'TIP PE N T MTIGI I x-36B 11'7ihl O.0 i s. o i o.o 'i4u fil o.O i D,0 60 l=
TIP PENETETION l x-36C l *l'I11D I 0.o I ('. o I ao li tt til b 0 i 6.o i < 0, o p j L - TiP rewTMiion i x-3ao n.n ni o.o - i o. o i no iq-uci o.b i 6, o i o, e l l l TiP PEmTMTiam - i x-3as I's tit i 0.0 i c. 0 - - i o. o is-u-sti 0 6 60 i O.o l-TiP pfmimT GN i x-sar 19m rii o o e o.o l- o, o D TiP remTMTian itet eti 0 0 i o, o i c.o - l p i x-3sa 11-n elo.o i o. o e o. o 19-/et0 0,0 l' d.() i 60- F ; ; ,, . i 'o., ii : a.o .i we i o.o i o.o .; l - Tanus m TOs 'l x-sooA o. , -l l Tonus NATO: _1x-soas eff#10,0 i 0,0 l o.c) ";"' o.o i o.o i o.o- l. (NIVELL MAD l ---- 19 ih-3% l /2. 0 lEM.Di 11.' o Ill.so.til O.o -l o.o l O.0 -l , s DEAft LUG INSP. NATO 4 i SL-1 to M 611 0.0 i 6.0 i o .0 -- S.s44il 0,0'i O. o' i o. o l h mEfft LUG INEP. NATOt i SL-2 llo-Me i O.* 1 ~ 0.8 l o.o i i445 o,o i o. o i e ,, l
' hEAn LUG ilIRP. NATOt i SL-3 le 15fi l 0.* - l 0.0 l o,o 1,.4541: 0,0 l- o. o i o. e i SL-4 l'
DEfft LUG IIISP. HATO4 i* M81 i Oi o i 60 i 0.o I,ier-eq o,o i 0, o i 0,, l DEAft LUG 180$P. NATOt i SL-5 konf4Il O. o i 0 0 i 0. o
- ::= Luc lhSP. *TQt i 8L-6 606411 0.0 1 0.o.
h.4.5 81 0.o : o. O I O. o l l i
- 0. o ti..w.egi o.o e o.o e o.o l mEAn tuo_inse. NATOs i sL-7 IN411 0.0 1 0. 0 - i D.o tie t 41 o.o e o. e i o.o l
- = Luc InsP. mTOs i St.s n.*fli o o -i00 i D.o no A l o.o i o.o I e.o l APPROVED l l l l l l l
[ i SEP 09 W87
'PAE TOTAL l IIA l6o g 6,6 ' [, lM l NA i i i l
l 10/0164s 0.C.O.S R. ! . i 10483H/0214Z. L
s-
. .. g i '
s
.. g p
l REPUEL OUTAGE LOCAL- - QTS 100-31 LEAK MTE TEST RameARY Revleion 7
' AS POLDS ($CFN) AS Ll!PT ($CPH)
VALVE (S)/ tilN14Aad MaGtlPTim PE N trail 0N MAXI 4Rai Millimas HAXitaT DATE TOTAL PAfteAY PAfteAy DATE TOTAL PATISAY PAfteAY
~ 1E00. MMTRATIOf l X-7A ' 'l4*m lO s l ' 6.ts I I o.s* ItTofil b 5 I o.tv i 0.F l 1E00. MMTMTim I X-7.1 19 70 til I l l CAF6 l ll IMP 4il 11 i O.sf I l. l ~ - l M aiJ PEM TRATIGI l X-7C~ 1949i O O l 0 I 1%4ii c.o I o.0 i O.0 l
-IEOf. PEMTMVIOf I X l'1 b lil 6.C tEOi, Pam TMilan l Q . '5 I C.s. C th*il 6. 6 1 0.15 - l 0. C .l i X-a - l'iui 10 6 I c 'a i o, c m.t+111 c.6 l o. 5 - I o.a l
- 4. PEmTMilWI I X-SA l'I-Dill . 6. 2 I o.1 I o. 2 - IW4il od l C.I' 0 l 6.t -l.
4104. PENTMTidel I X-M l'l ?* ti l O I O I O 194+ s11 6.01 0. 0 l o. O ' l :
' gel.'NETRATIGI l'X-10 l'I-lDFi l D l U l D lvte31 0.o i o,o 1 0, 0 l- 1 g < m afi N M TRAfl0N I X-11 l'i'7Af11 O l O l D ' A N l 0, o 1 0. 0 1 40 l.
4E00, PENETRAflall- I X 12' 19W di// O l f.$' i //,O 19-ph I ll.o I- S of I /l.o i 1E01. PENETMTION ^ l X-13A l. ; i 1 l*-3110. 4 l C1Zo l 6. 'i 19-TAE1 0 4 : I b. I, 1 O.4 l 4E06. PENETMTION - l X-13B l %M411 Q l c l 0- lvtpftl' Cbl o,o-l D. O j. i: GEOe. PEmTMTim ' l X-14 _ _I N/fli M , 1 0,3 - l 0. /> 134; 4 S't ; f 5 : n ;- - l ' tem. mmTMTim I X ra l SNvil 5 1 l l.s s I s.7 n.t ei 's.~1 i 1.tr i 3. > l " 8
- 1. IEOti N ETRATION l X-24 l'IM l O l- O 4EOt, PEmTM TION l O FLb49 0.0 1 0. 0 1 0. o l.
I X.25 ~ 1% 1* M l 3.f I l.7 9 I V e . eltte<11 'd.f i
- 1. ')f I LT l
;. 1E04. PENETMTION - l X-26 19k@ l 0. lO l 0.l l '6. 2 l'I'b(11 C.t i Ol 1 6,7 3 L
i: IEcl. PENTMTim _I X-an Ittarit o.2 16.I l ' l- 62 I H a-sil o. 2 l o.I I
- 0. 2 ' l-4E01. PE8ETMT10N l X-47 !'1'70 til O I O I o I h t1 c o I o, o l 0, c j .
M at. PEM TRATION I X-17 f *1+m i O I O I O l *-1*tti - 0.6 ' I o.o I- e.e l. , l; 15 00, R E TRATIO _N l X-16A li7C41lC.1 I c.l l C2 19411 c. t l 6, I l 0. "2 l I- , APPROVED l l q.g l ll,q l tit . 6 l l 2 2.et. l ,'t . 8 14L ,, pL l SEP 091987 To.u.s1 *$-tr - 10/0164s 0.C O. S6 R l s i L , = 0483H/02142- .. 4 = - *
'- 1 I
,c .
g* '..
]
l A
. I 1
.q 1
MFUEL OUTAdE LOCAL- STS 100-81 LEAR MTE TEST ElageAllV Revielen 7 AS POLES (AfPli)
- AS LLFT (SCPH) s VALVE (s)/ mansliE- maniasm .
minimas mantinar asemiPfle PEGETMTimi DATE TOTAL PATIAAY PAYleAY DATE TOTAL _ PAfteAV PATieAY ' aEnt, PEaETufices I u tas - 19 871 If 7.o I 86l / 7.o l" l- l l l saseva6 CAL PEaETRATieu- 1 E 100A 1111el o.sf l o .1, l o.y lH141l o.q l o, y, . l O. sf - l .-
)
saseTRICAL NAETRATlam -1 I 1005 ' l 'l'"41 1 0 9 i C.t -l O 'l 19.ti811 c.y l o .7, - l - c. y - l " ELECMICAL PEfETRAfle = 1 I-tenc l'l12411 0.Z l 0. l 1 0.I 194pfil o.t. l o. l l 0. 7. l EtECTRsCAL MIETRAfim ' j' ll'1l41 l 0 0 ll oo -l. lX-100D oo l3,tg3l l o.o l
- l Um8T mE cuLv) 'l 1 l l o, oL ll o, o g "
sasernacat w gygg -l 3 100E 1911+1 1 6. 0 l o.o l o.C l Tt8Ml O.0 l 00 1 0. 0 l l ELECTalCAL MIETRAT40N l X-100F flu 'Fll o.0 'l 6.o l O.o - l9.tM11 ' O .6 l 0. 0 - l -- O. 0 l. Y -ELECTRICAL PEM TRAfle I X-1000 l't.uil l 0.o l oo l o.o l3 214)l- 0.0 l e.0 l o.o l - g g CAL M NETRATim I X-101A' 19 ?l6'll L 75 I l.88
-l X-1018 1 375 19 tMil W l l.8% - l- 3 75" l:
1" g&ggEICALPEMTRATim 19 18fil O.0 'l 06- l c, o - 19.tt.911 00l 0.0 l '
. g ECTRICAL PEGETRATim ' l X-1010 lStil)l o.o l o. o l c. o l ag t>4) 00l 0,0 l 0. 0l.
6, o l = +
. ELECISICAL PRIETRATidbl lX-10EA. l l l -l l j' '
- H alt GME GMLT) m-ian l l l O* ) 1 0 45 . l O.'l
_ lH84i 1 O'i,l ll O.45' ll c. $ l _ 7__vamans - I u . *- _ J ,,, , j _ l g,_, g , g, , _g
~ Half Tuo cuLV) l l -l I l l t l- 1 -l t
ELActalCAL PEETRAfem l R-103 l'1 -Illll 0.0 l co.o . I o.o - l =6 t#411 0.0 l 0.0 1 0.0' l. _ ELECTRICAL PteETRAftess' lI-104A l l l l -l l- l' l l. g Hm T Tm auLV) l l l l l l l l l- -l '; ELECTRICAL MMTRATim - l R-1048 ' l *" 9l o.o l oo i l O.0 I?12-(1l 0*D l' O.D l 0. O -- l l ELECTRICAL PENTRATim l X-104C li'2t h l 0.0 l 0.0 l 0.0 1911-F)I b.0 1 0. 0 1 0 0' l L
. APPROVED g l ll,g l U.69 I I gI M Ig I )
i
,iO/0iase SEP 091967 a.1 Wa . 4 A ry *4'r.ir- % w e v-/-n m
- o.c.o a n -e.
L
?
g L ~
~0483H/0214Z :
.i
,z .
H k @. - .
~j i
- . 3 1
, l
^
l 6 i ). REFML OUTVJE LOCAL - OTS 100 - LEAK MTE TLST RaalARY Revision 7 lasiT A F~ AS Folae (S W H) AS LLFT (SCFH) VALVE (6;/ lilNilaal 184Xisar ulklaans isAXianas' DEfdlRIPfloof PEMTRAfl0N DATE TOTAL PATW AY PATW AY DATE TOTAL PATWAY PATWAYj [ ELECTR6 CAL PE9ETRAflCes .lX-1040 l l l l l l 'l l l ( g1T T50 ONLY) l' I I i 1 1 I I-1 ,,,,,,,,,,l q ELECTRICAL PtmsTM ilept I X-104F li-"M i 0 0 1 0. O l o.0 14udt I o.O I 0 0- l c . p,,,,,l . l ELECTRICAL PliE TRATION l X-106A (ggeiy og eggy) i li 'l tll 0 * - li D.o 1l 0,o l1l till 'i 0. 0 lp0. o l - O. o , l g.
> ELECTRE PE8ETRAT10N .lX-1068 l (gly gig gy) l 1 1
3 ' ql 0 4 ' ll 0, 't. l 0.T l(r@ gl 064!_gl 0.t , l' o, cf gl. ELECTRICAL PENTRATION I X-105C li*1MI L6 l l.8 l %.6 19.t:41l 3.( l J.f l 3.g_[ ELECTRICAL PENETRAfl0N 'lX-1060 l -l1 l l. _ j l:
,miy am antyi, i l*171'81l, l
0 l0 OO l O0 () UPl; o.0 ,l o.o i . o, o . l ELECTRICAL PEN TMil0N lX-100A l l l l l l j' l- - l:
' (tasif Tuo 'EILV) ~ l i 'I I I l I l- 1
-l:
ELECTRICAL PENETRATIGN .lX-1088t- l l l l l l. l .l' l (talef TED ONLV) l l 1 i 1 l l' 1 I -l ELECTRICAL PEfETRAfl0lf I X-107A 19U81l O o l g.o l 0,0 l8FDf7l oo l '00 i d.o l. ELECTRICAL PEIETMil0N lX-1075 l l l l: l-l l l l. _ (Lalif TED ONLY) : l- 1 l l l l l l l l ; 30ftlS PEETRATION I X-227A 11041811 0 o l O,o I 0,o lio.r 41, o. o I c. o - l -- 0 0 l. ;
, lT0ftlSPE8EThil0pl l X-2273 lioatft l Gol 0,o l OO llo it@l 00l o. 6 l o_ 6 l ;
'A' 70 mis LEVEL FLANES l ----' lio lf 811 60 l O0 I c.0 l/044Tl c.0 1 c.0 I d.o l APPROVED PAGE TotAt esA 2' N' saA LO M V. O .
I SEP 091987 30/0in. o.c.o.ssR. .y.
.f 10483H/02142 -
+
,- )
- ;-. 4 5
1 1 i t i i l 1 J
- =
REFUEL OdTAGE LOCAL OTS 100-81 LEAK RATE TEST BAAAARY Revielen 7 4318i ' AS FOL89 (SCWI) AS tJ!FT (SCFH) VALVE (S)/ MINiitad IIAXlitad WINiitti IEIGl:Pfite PEeETRATION IIAXlitti DATE TOTAL PATieAY PAfteAY DATE TOTAL PATemAY PATieAY
- WGuas LEVEL PLAditER l'---- 1101 @l o.0 1 0.0 1 0.0 :lo+stil O.01 0 0 1 O.o- l mavam ameE I'---- 1, ! - l ~l ___ _ l l l 1 _ _, I
__amli Tuo Outv)'- l- I I I L. I I I l- I l. PERaomst INTERLOCK X-2 1 X-2 lH W l15 7 1 61 1 15"i lil-4@ ll3 7 l 6.7 I l's.7 u,/c gammiTORins SYSim ~ -l ----- W
. Pi .url ?.o l l l l l l
l: grogg3 i i , t.o i 10 II'" hi l l-l i l. l i /. / g , P,0, T . l . ln1 l s i l c, l . l In l1.e lm l TEST TOTAL + llA " hA d
~
f 2 451 16 @m g og,2l f.rg, 7
*To determine the corrected leakage of the 4EIV's (as if they had been tested at 44 P$lG). multiply by 1.58.
l
= "then the eenlaus pathmey leakase escoedo 0.6 La (293.75 SCFH), afits an LER immediately. ~-
+The test total le the sum of all page totals in the checklist (esclude ndSIV's f rom all test totale).
l
Reference:
' 075150-8. "Determinellen of Total Containment Leah Rate." ~
l,
~ APPROVED'
@ As &cA .J As Jef + loJ-ys el I-W if-W 47 v.fu s SEP 091967
"
- 44 h twmt A Abis. (sinal) "EO*"
10/Oteta -4 L 0483H/02142' ' _ g #
, , , . y , _ . - - - - - ^ - - - - - ~ ~ ~ ~ ' - - - - ' ' - -
[:i'
, -i
-),
'f t
V: APPENDIX B >r l TEST CORRECTION FOR-SUMP LEVEL CHANGES - c. p., t ( e
~!
I " {; ' r 0483H/02142 , .p, .' w > a 5
The total; time measured leak rate, given by the functional requirements 1 specification CECO Generic ILRT Computer Code, Document ID No. GN01405-0.0, Document ID No. ILRT-FRS-0.0 (see Appendix C), assumes that tne containment free air space is 280,327.5 ft3 at a water level in the reactor of 35".- l torus water level is zero, and that any change in reactor water level is due to a water leakage from the containment changing the free air volume. 'If the water leakage is from the containment and due to the operation of the shutdown cooling mode of RHR to maintain reactor water temperature, this leakage would not be representative of accident conditions when shutdown cooling would be isolated, During the stabilization phase of the test considerable effort went into regucing the GPM) ft /hr or 0.47 rate ofthat levelwas decline to approximately experienced during the0.14 test.inches / hour (3.5 Since the' leakage could not be reduced further and level indication for the suppression pool indicated that most of the water leaving the reactor was not entering the suppression pool, but leaving containment, the computer program option for including the vessel level in the leak rate calculation was selected. The test verification during the induced phase of the test demonstrates the accuracy of this model and the change was completely explained to the NRC
; inspector-witnessing the test.
A hand calculation, using a complete water balance, is included in this Appendix to show that the leak rate reported is not significantly affected by-a more detailed analysis, including changing subvolume free air space due to water leaking from the reactor vessel to the drywell sumps and suppression pool. To perform a leak rate calculation with a changing containment free air space, the dry air mass-for each containment subvolume is calculated using the-following equation: Wj - 2.6995 X Pj X Vj (Tj + 459.69) where Pj - dry air pressure in i th subvolume, Vj - free air space in the i th subvolume, and T - average temperature in the i th subvolume. The total containment dry air mass is given by the sum of the dry air masses for all of the subvolumes. 11 Ht . I Hj i-1
'0483H/02142 ?. * ?. ,: :. . ,
[" The computed ~ leak rate will be the total time leak rate and is given by: Lt - - 2400 X ~W.! - N' y H W'
'where H' - dry air mass of the containment at the start of the test, Ht - dry air mass of the containment at time t, H - duration of the test from start to time t in hours, and-Lt - total time leak rate at time t.
There are 3 subvolumes to consider in evaluating the effects'of water ' leakage from the vessel: the vessel itself-(subvolume 11), the suppression pool (subvolume_10), and the subvolume for the drywell equipment drain sump
'(DHEDS) and the drywell floor drain sump (DNFDS) (subvolume 9). Any water s leaking from the vessel in excess of that added to the sumps and suppression
- pool vill be assumed to have leaked from the containment through the shutdown cool W mode.of RHR.
DATE TIME DNFDS* DWEDS* 11/14/89 1300 17.0 7.0 , 11/15/89 -1630 20.0 19.0 Rate of level change 0.-1824 0.7164
'(in/hr)
Rate of free air vol 0.6970 2.736 change (ft3 /hr);
*The. sumps are assumed to have filled at a constant rate during the' period when the containment was fully pressurized. Each sump holds 1200 gallons and' is 42" deep.
The following table givesithe extrapolated values of the subvolume free air spaces using the.above data: 6 HOUR TEST INDUCED TEST SUBV0LUME NO. (1) Vi t-0 y; t-6 vg t=0 yg t-3 1 10,550 10,550 10,550 15,550 2 9,596 9,596 9,596 9,596 3 10,990 10,990 10,990 10,990 4 3,783 3,783 3,783 3,783 5 24,125 24,125 24,125 24,125 6 32,265 32,265 32,265 32,265 7 27,618 27,618 27,618 27,618 8 26,071 26,071 26,071 26,071- ! 9* 8,790- 8,769 8,764 8,752 10* 119,252 119,252 119,252 119,252 11* 5,158 5,187 5,187 5.211 l l 0483H/0214Z E3 - u
'* V9 - 8,901 - DWFDS X 1200 X .13368 - DHEDS X 1200 X 11368 i 42 42 Vl o - 119,268 -' 863.75 (f 3t ) X Torus level (in) J in-Vjj - 6571.0 - 25(Level -35) )
Using the subvolume vapor pressure, subvolume temperature, and the I subvolume free air space, the dry air mass for each subvolume can now be calculated. The following table gives the necessary data for the start of the
' test as 00:35:48 on 11/14/89(Data Set No. 56).
DRY AIR SUBV0LUME SUBVOLUME VAPOR PRESSURE PRESSURE TEMPERATURE DRY AIR MASS NO. (PSI) (PSIA) *F' (1bs. mass) 1 .671 64.217 103.0 3250.25 2 .609 64.279 111.835 2913.45
'3 .609 64.279 107.315 3363.28 4 .609 64.279 105.230 1161.99 5 .568 64.320 104.093 7429.93 6 .552 64.336 100.612 10001.08 7 .566 64.322 96.182 8627.01 8 .486 64.402 88.132 8273.72
- 9. .486 64.402 89.205 2784.08 10 .571 64.317 84.748' 38030.08 '
11 2.697 62.191 137.340 1450.4} 11 i H'-IHg-87,285.A-
-i-1 The following table gives the necessary data for the end of the 6 hour test at 06:45:48 on 11/14/89 (Data Set No. 93).
. DRY AIR SUBV0LUME
.SU8 VOLUME VAPOR PRESSURE PRESSURE TEMPERATURE DRY AIR MASS NO. (PSI) (PSIA) 'F (1bs _ mass) 1 .681 64.077 102.290 3? '/t . 26 2 .623 64.135 111.850 2906.85 3 .623 64.135 107.820 3352.76 4 .623 64.135 105.820 1158.17 5 .591 64.167 104.597 7405.64 6 .572 64.186 101.457 9962.74 7 .583 64.175 96.440 8603.30 8 489 64.269 87.465 8266.7 9 .489 64.269 88.870 2773.39 ,
'10 .547 64.211 83.402 38061.42 11 2.635 62.123 136.44 1459.19 H6- 87,197.42 0483H/0214Z y
7- ' ;6. I N3 e j I4'1 ^' The leak rate for the 6 hour tcst is: L6th - - 2400' X 87.197.42 - 87.285.22 4 6.167 87,197.42 L6hr - 0.3915 wt 1 i day (compared to 0.3954 cotpated ignoring . sump level changes) _The'following table gives the necessary data for the start of the induced
' phase of the test at 08:25:48 on 11/14/89 (Data Set No. 103).
DRY AIR SUBVOLUME SUBV0LUME VAPOR PRESSURE PRESSURE TEMPERATURE DRY AIR MASS NO. (PSI) , . _ _ (PSIA) 'F (1bs. mass) 1 .674 64.023 102.045 3245.94 2 .619 64.078 111.780 2904.62
< 3 .619 64.078 107.925 3349.16
~
4 .619 64.078 106.085 1156.60 5 .588 64.109 104.857 7395.53 6 .573 64.124 101.525 -9951.91 7 .582 64.115 96.550 8594.02 8- .486 64.211 87.305 8261.66 9 .486 64.211 88.730 2770.01
-10 .538 -64.159 83.130 38049.66 11 2.609 62.088 136.060 1459.30 start H - 87,138.41 Induced
.The following table gives the necessary data for the end of the induced phase of the test at 11: 45:48 on 11/14/89 (Data Set No.123).
DRY AIR SUBV0LUME SUBV0LUME VAPOR PRESSURE PRESSURE TEMPERATURE DRY AIR MASS NO. (PSI) (PSIA) 'F ( 1bs. mass) 1 .679 63.889 101.585 3241.80 2 .626 63.942 111.585 2899.44 3 .626: 63.942 108.110 3340.96 - 4 .626 63.942 106.345 1153.62 5 .598 63.970 105.143 7375.76 6 .582 63.986 101.755 9926.42 7- .590' 63.978 87,095 8574.08 8 .489 64.079 88.645 8247.84 9 .489 64.079 88.645 2760.96 10 .535 64.033 82.868 37993.27 11 2.564 62.004 135.390 1465.71 L end H = 86,979.86 induced 1 0483H/0214Z 1 l
l
" -The leak rate for the_ induced phase is ,
L (induced) = - 2400 X (86979.86 - 87138.41) 3.333 87138.41
- 1.3114 wt % / day (compared to 1.???2 computed assuming constant reactor water level and ignoring sump level changes)
The above calculations show that the leakage from the reactor vessel did not significantly affect the reported leak rate. The difference between the
' leak rates computed using a complete correction for free air volume changes due to water leakage.and the values computed ignoring the changes is less than 2%. r C
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I APPENDIX C COMPUTATIONAL PROCEDURE 1 e d
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1
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- 0. INPUT PROCES$1NG .
. Calculations.perfomed by the software are outlined below:
D.1 Average temperature of subvolume #1 (Tj) ;
. The average of all RTD temps in subvolume #1 N
T j = -1 - Z i t ,j , N j.1 ' where N . The number of RTDs in subvolume #1 ' O.2 Average dew temperature of subvolume #1 (Di>
. The average of all dew cell dew temps in subvolume #1 N
L ! 01 . . -i - I. 0 1,3 N 31 - where N The' number of.RTDs in subvolume #1 ' O.3 Total corrected pressure #1, (P1) C1 First correction factor for raw pressure #1, (from program initialization data set). M1 Second correction factor for raw pressure #1, (from program initialization data set). 9 Prt Raw pressure #1, from BUFFILE. P1.C1+M1 Prt/1000, for 5 digit pres re transmitters P) .C1 + M) Prt /10000, for 6 digit p puretransmitters D.4 Total corrected pressure #2, (P2 ) l C2 First correction factor for raw pre ure #2, (from program initialization data set. M2 Second correction factor for raw pressure #2, (from program initialization data set. Pr2 Rrw pressure #2, from 80FFILE. P .C2+H2 Pr2/1000, for 5 digit pressure transmitters 4 P2.C2+H2 Pr2/10000, for 6 digit pressure transmitters 1 , 0483H/0214Z- - _ _ - _ _
. t, ,
~
.. i c '
,. 1 4 D.5 Whole Containment Volume Weighted Average Temperature, (T ) c Approximate N Method : Tc . I. ftit ! 11 1 ^ T c. Exact N i Method fg I 11 T1 l where: : f t.-The volume fraction of the ith subvolume I N = The total # of subvolumes in-containment D.6 _ Average Vapor Pressure of Subvolume 1 tables.) (Pvj) (Curve fit of ASME steam
- s Pvi 0.01529125 + p.001653476 Og ,
- 1.44734 X 10-' 0 1)2 + 7.081828 X 10-7
- 2.28128 X 10-91 ((0 )4 + 3.03544 X t10-11 ((O )SDj)3 0.7 Whole Containment Average Vapor Pressure, '(Pv )
e Approximate N Method' Pv c. . 'I f t' Pvt y 11 Exact Method N ft Pvt Pvc . Tc I , Tj u i=1 Nt . The total of subvolumes in containment f . Volume fractica of the ith subvolume D.8
=
Mhole Containment Average Dew Temperature, (Oc) E
' Approximate N .
Method De . I ft Dj ; i.1 Exact Mether The.whole containment average vapor pressure, (Pve )0calculated find . An initialwith the exact method is used to value of Oc is guessed and usedwfththeequation'inD.6tocalculatePye. This vaine is then compared to the known value frcm 0.7. A new value of De is guessed and the process is: repeated until a v4Tue of De is found that results in a calculated value of Pv that is within .0001 psia of'the value from c I I L D.7. .s L '0483H/0214Z L.:
- . . _ _ _ _ _ _ . _ _ _ _ _ _ _ _ - . _ _ _ _ _ _ _ _ _ ________n_______._______._
I pq .-' 0.9
~ Average to'tal containment pressure (P)
P.(Pt+P2)!2
- . Average total containment dry air pressure, d (P ) '
Pd . P - Pye 0.10 Total Containment dry air mass. (H) ! p Type 1: -Pd Vc M. ' R Tc where: R . Perfect gas constant, Vc . Total containment free volume. Type 2: Type level. 2 dry air mass accounts for changes in Reactor vessel l For uncorrected dry air- mass, (Type 1) the below definitlons apply.
- N Vc.I Vj and ft . Vj/Ve 11 ..,
where Vj is the User entered free volume in subvolume 1. For corrected dry air mass, (Type 2) the same definitions for V i and in vessal fj apply,level.except that one of the Vgs is corrected =for changes l subvolume-then: If k is the subvolume number of the' corrected Vg = Vko - a(C - b) a is' the number of cubic feet of free volume per inch of. vessel level. . b is the base level of the reactor vessel, in inches. ' 1 i C is the actual water level in the reactor vessel, in inches. l t V ko is the volume of the subvolume k when C equals b. .q The volume fractions t (f ) are then calculated with the performed as previously specified for Type 1 dry air ma
' 0483W/0214Zy . .,_ -- -
D)- . ; i D.11 Leakrate C'alculations using Mass. Plot Method:- This method assumes that the leakage rnte is constant dur s the testing period, a plot of the measured contained dry air mass. versus time would ideally yield a straight line with a negative slope. , Based on the least squares fit to the data obtained, the ' calcula.ed containment leakage rate is obtained from the equation ; M = At + B p Where M .-containment dry air mass at time t (lbs.) l B . calculated dry air mass at time t=0 (1bs.) i> A . calculated leakage rate 7 t . time in,terval since start of test- (lbs/hr) (hours) B ) t it
- (1bs) t (hours) -
t least squares best fitted to the leak rate da.ta are:The v NI(tt )(Hj) - (It i) (I Mj) A. - NI(t])2 - (Itj )2 IMI - AItj N
\
0483H/0214Z __ - - - _ _ - - . _ . . _ _ - - . .
1 :.. g
.e:
l By definition, leakage out of the containment is considered positive leakage. Therefore, the statistically averaged least squa b containment leakage rate in weight percent per day is given by:. L = ( '.) (2400)/8 (weight %/ day)- : c i' In order to calculate the 95% confidence limit of the! squares averaged leak rate, the standard deviation of the least squares-slope follows: and the student's T-Distribution function are used as-
~
-1 NI(Hj)2 (IMj)2 --
E
- a )2 (2400)- (weight %
l. (N-2) NI(tj)2 - (Itj)2 ,_ g . m day) UCL =- L + e (T) , 1.6449(N-2) + 3.5283 + 0.85602/(N-2) (N-2) + 1.2'209 - 1.5162/(N-2) N = Number of data sets
,tj o = test duration'at the ith data set (hours)
T = standard deviation of least squares slope (weight %/ day) Value of the single-sided T-Olstribution function with 2 degrees of freedom L UCL
= cairulated leak rate in weight 1/ day
=
95% upper confidence limit , B. .
. calculated. containment dry air mass at time t=0 (%/ day)
(lbs.)
.D.12 Point to Point Calculations
'This method calculates the rate of change with respect to time of dry air mass using the Point to Point Method.
e a E 0483H/0214Z , _ _ _ -
e I I, y ( .. .-
. . := ,
4
- c' I i ;,
w . j i For every* data set, the rate of change of dry air mass between
} the the two most pointrecent.
method shown (tt)..and below:the previous time-(tg.j) is calculated u i
-r 2400 Mi. (1 - Mj/Mt .j)
(tt - t i .j) t calculated as described for dry air masses in secti D.13 Total Time Calculations dry air mass:Using the Total Time MethodThis ' method c the rate of change of dry air. mass time, t_i and the most recent between trInitiall is calculated using'the two point method shown below, 2400 q M.. t (I r. Mt 'Mr ) (tj-tr)
'leakrates are calculated as'shown bel.ow:Then the lea I Aj I(tt )2.- I ttIAtt t a
.N I (tt)2 --(I t t)2 A=
( N I tj Aj - I ti I A t ) N I (ti)2 . (g tt)2 L= B + At i= 1.6449(N-2) + 3.5283 + 0.85602/(N-2)
;:; . s -(N-2) + 1.2209 - 1.5162/(N-2)
Note: N is the number of data sets minus one. , t
. 0483H/0214Z_ , . . . . . . . - - - . -_ _ _ _ _ _ _ - _ - _ _ - _ _ _ _ _ _ _ - _ _ - _ _ _ _ _
9 i I p, 1
,_ (tp - I (tj) / N)2 N
I (t])2 -(Itt )2 /N
~
/
/
F
/
e.l /
\/j N \/
/
I (Aj)2 - 8 I A - A I At tg :
" UCL = L + To Note:
This equation is calculated for information only.from the start of the test.up to 24 hours, then it becomes the official lenkrates- for future times. D.14 BN-TOP-1 , i time of dry air mass using the Total Time Method.Th the rate of change of the data item between trInitia ' \ time. (tj) is calculated using the two point method shown below:and
,l 2400 Mi.
(tl - trl (1 - M /Mr) t
)
g (. . BN-TOP-1957 UCLs are calculated as shown below.T ' o B. ( I Al I(ti)2 - I tj IAt) t i N I (t])2 - ( I tt )4 Note: N is the number of' data sets minus one. p 7 0483H/0214Z -0I-
i
, 1 1
i 1 ( N !_tt At - IttIA) t
. N I (tt)2 - (I tg)2 L= 8* At i
T .1.95996'+ 2.37226-+ 2.8225 (N - 2) (N - 2)2 F= -1 + . (tp - I (t )t / N)2 ^ N I (tt)2 - (I t )2t / N- :
/ /~
r
/ F '/ -
e=/ ---
\/j N \/j/ I (Aj)2 . 8 I At - A I At t t ,
UCL = L + To Note: 4 This equation is calculated for information only from the start of_the test up-to 24 hours, then it becomes the official leakrates for future times.. 0.15' Temperature stabilization checktr.g 'per ANSI 56.8-1981 Ti Heighted average containment air temperature at hour 1. , Tt .n Rate of change of weighted average containment air temperature over an n hour period at hour i, using a two point backwards difference method.. n j'. i 0483H/0214Z . -
y
,, ! Iis. .
l
,,. .. 1 J
1
-Zj is the AN'S! 56.8-1981 Temperature stabilization criteria at hour 1, Z j = l 7 1,4 = - T1 ,1 l 1 must be 1 4.
ic ; Per ANSI 56.8-1981, Z must be less than or equal to 0.5 0F/hr NOTE: If the data sampling interval is less than one hour, then: Option #1 Use data collected at hourly intervals Option #2 Use average of data collected in previous hour for that hour's data. 0.16 Calculation of Instrument Selection Guide,'(ISG) ISG . 2400 t
/ 2 (ep/p)Z + 2 (e r/T)3 + 2_ (ed /P)#
\/ N _
p Nr Nd where: t is the ' tes t time' in hours p is test pressure, psia . l
.NT is the volume weighed average containment temperature, OR i
p is .the number of pressure transmitters Nr is the number of RTOs Nd is the number of dew cells op is the combined pressure transmitters' error, psia e ( r is the combined RTDs' error, OR ed is the combined dew cells' error OR l
/
ep = \/ (S p)2 +'(RPp + RS )2 p where: Sp. is the sensitivity of a pressure transmitter RP p ' is the repeatability of a pressure transmitter RS p is the resolution of pressure transmitter L er= /
\/ (Sr)2 (apr + RSr)2 where: Sr is the sensitivity of an RTO RPr is the-repeatability s' an RTO RSp is the resolution -of an RTO i
e 0483H/0214Z: .
2
- APy - ,
ed e
/
-ai d, Td \/ ($ )2 d + (RPd + R$d)2 where: Sd is- the sensitivity of a dew cell RPd is the repentability of a dew cell RSd is the resolution of a dew cell AP y change in vapor pressure-3-d 5d change in saturation. temperature The above ratio containment's is from saturation ASME steam temperature tables and evaluated at the at that time.
0.17 BN-TOP-1 Temperature Stabilization Criteria Calculation A. The rate over of change the last of temperature is less than 1 'F/Hr averaged two hours, K) . lTi - T .1 K-t l K2* T.)-T-2l i i must both be ess than 1 to meet the criteria B. The. rate of change of temperature changes less than 0.5 F/ hour / hour averaged over the last two hours. K3 . (Tg - T X i .1)/(ti - ti.1). t i Z. 2.(T_1l-T-2)/(tl.1-ti.2)l (K i - K )/(tl - t .1) 2 i 2 must be less than 0.5 to meet the-criteria listed in B. D.18 Reactor Vessel Free Volume Mass Calculation As shown in section D 10, the free volume.of the Reactor Vessel subvolume x is given by the below equation. V, . Veo - a (c-b) The dry air mass in subvolume a can then be written as: Me = 144 (P-Pvn) Vr/ rte Where: Me is th' dry air mass in subvolume r, (Ibm) R is the gas constant of air 5istheaverage,temperatureofsubvolumen,-(OR) 5,istheaveragevaporpressureofsubvolumee, (pisa) t P is the average containment pressure, (psia) Ve is the free air volume in subvolume e, (ft3 ) iO483H/0214Z . . . . . . - - _ . . _ _ _ _ - - _ _
]
if P
.g 4 --
y ..; . 0.19 Torus Free Volume Calculation . Free level. water volume calculations of the Torus rely upon narrow range Torus Inputs. Inches. [ It is assumed that the Torus subvolume free air vThe that subvolume's volume when the. Torus level equals-zero. olume is - The user with water level.may enter three constants to muel the var.iation of Toruso1 The equations for Torus free volume in subvolume t are given: Vt-V 3 Vt-V toto-(al+bl+cL3whenL10 2
+ (-al + bl -cL ) when L1 0 The dry air mass in subvolume t can then be written as:
t Mt = 144 (P-Pvt) Vt/RTt Where: Mt is the dry air mass in subvolume t, (Ibm) ' P is the average containment pressure, (psia) y l: l- Pvt is the average vapor pressure of subvolume t (pisa) Vt is the free. volume i., su'bvolume t, (ft3 ) LJ R is the gas constant of air u it is the average temperature in subvolume t (OR) L is the Torus level. (inches) a,b,c are Torus level constants ,
.V to is the free volume in subvolume T when L equals zero,
- taken from standard free volume inputs, (ft3 )
E.'0UTPUTS 1 E.1 OUTPUT DEVICE TYPES: There are no special constraints on output device locations.T PRINTERS: PRIME High Speed Line Printer OKIDATA 2410 ' OKIDATA 93 LA120 PLOTTERS: Hewlet Packard 7475A 8.5" X 11" Hewlet Packard 7585A 8.5" X 11" CRTs: Hewlet Packard 7585A 11" X-17" - Hyse' Hy75 View Point 60 Ampex Dialogue 80 & 81 PRIME PT200 GRAPHICS TERMINALS: RamTech 6200 RamTech 6211 Tektronix 4107
~0483H/0214Z Tektronix 4208 Tektronix 4014
,e. ,
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- st' I
h APPENDIX D 1
. .$i INSTRUMENT ERROR ANALYSIS kl-e-, t.
1 b s. (( , l- - ik i y
'[ y if '
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~
. j' s 7
- y. t y
- p. -.
{= .t c, ; I yy. hk Y
.f N
@f-p _
- s
-I i- -E f l .$
a h" 2 s-N L N [. m g. 5 ? N-l: f, . T 0483H/0214Z u i-b L 4 :. dLA% a_ i
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4 i j.> m, y >1 d' A ,
' IPCLRT SAMPLE ERROR ANALYSIS FOR SHORT DURATION TEST-A. ACCURACY ERROR ANALYSIS ~ ;
'Per Topical Report BN-TOP-1 the measured total time leak rate (M) in ,
Lweight percent per day is computed using the Absolute Method by the= i m formula': i T P M (% / DAY) 2400
- 1_ 1 N (1) ,
j H T P N1 where: P1 total (volume weighted) containment dry air pressure (PSIA) at the start of the test; PN = total (volume weighted) contai_nment dry air pressure (PSIA) at data point N after the start of the' test;- - H - test duration from the start of the test to data point N , in hours; , T1 - containment volume weighted temperature in 'R at the ' start of the test; t TN - containment volume weighted temperature in 'R at the data point N. i The following assumptions are made: A A P1-PN - P- where P_is the average dry air pressure of the-containment (PSIA) during the test; A' A T1-TN-T where T is the average volume weighted primary
. containment air temperature (*R) during the test; P1-PN where P is the total containment atmospheric pressure (PSIA);
Py1 - PVN Where Py is the partial pressure of water vapor in i the primary containment. 0483H/0214Z _ _ _ _ _ _ . _ , _ _ _
,7
)
..e s
^
r *
- Taking the part'lal derivative in terms of-pressure and temperature of' (1).
equation-and substituting in the above assumptions yields the'following- , iequationLfound in Section 4.5 of BN-TOP-1 Rev.'1: i e e X u eg - 1 2400
- 2' p (2 + 2 ' tja H g Aj P
( _ TA /- I where ep - the: error in the total pressure measurement system, m ep - 1 [(epT)* + ('PV)2 ) 1/2; ePT - (instrument accuracy error) / / no. of inst. In measuring total containment _ pressure; epy - (instrument accuracy error) / / no. of inst. In measuring vapor partial pressure; , eT - (instrument accuracy error) / / no. of inst. in measuring containment temperature; 1 eg - the error in the measured leak _ rate; a a H - duration of the test. NOTE Subvolume #11, the free air space above the water in the reactor vessel, is treated separately from the rest of the containment volume. The reason for the-separate treatmant is that neither the air temper 4ture or the partial pressure of water vapor is measured direr.tly.
< The temperature of the air space is assumed to be the temperature of the reactor water, as measured in the shutdown cooling or clean-up demineralizer piping before the heat exchangers. The partial pressure of water vapor is computed assuming ~
saturation conditions at the temperature of the water. Volume weighting the errors for the two volumes (Subvolume #11 and Subvolumes #1-10) is the method used. 0483H/02142
. -- =
-n p
.c
{- j fl J' ' B. ' EQUIPMENT SPECIFICATIONS p L w-FLOHMETER THERMOCOUPLE
' INSTRUMENT RTD (*F) PPG (PSIA) DEWCELL ('F)-
(SCFM) -(*F)
, Range 50-135 0.4-150 40 - 100 0.90-11.40 0 - 600~
[ LAccuracy. 10 25' 10015% 15 1 1 10% 102 ; r Max Flow i, Repeat-- ! L . ability- '10 01 -10 001% 10003 0.02 1 10
,~
C. COMPUTATION OF INSTRUMENT ACCURACY UNCERTAINTY
- 1. Computing " eT "
Volume Fraction for Volume #11 = .02344 Volume Fraction for Volumes #1-10 = .97656 , eT = 1 (0.97656
- 0.25 + .02344
- 2.0 )
#30 /-
1 eT = 1 0.0914'R
- 2. Computing "-epT "
ePT = 1 0.015
/2 [
ePT = 1 0.0106 PSIA s
- 3. Computing " epy "
'At a dewpoint of 65'F (assumed), an accuracy of 1 l'F corresponds to .011 PSIA. For subvolume #11 at an' average temperature of 140*F, an accuracy of 1 2*F_ corresponds to 2 150 PSI.
epy = 1 (0.97656
- 0.011 + 0.02344
- 0.150 )
#10 /T epy - 1 0.0069 PSIA i
- 4. Computing " ep "
ep = 1 [ (0.0106)2 + (0.0069)2 31/2 ep - 2 0.0126 PSIA 0483H/0214Z p~ g'; ;4 t (.; : g.
- g. _
- 5 ,' -
. Computing total' instrument accuracy uncertainty " eg "
A: - %
,eM - 1 2400 *- 2 * 'O.0126'.2 +'2 * /0.0914La H
i 63.0 3- (544.7 j i A assuming P = 63.0 PSIA A-T = 544.7'R o Therefore, for a 6 hour test (H), , A eM' = 1 0.1447 wt % / DAY D. COMPUTATION OF INSTRUMENT REPEATABILITY UNCERTAINTY
- 1. Computing " et "
eT " 1 LO1
/30 eT
- 1 0.0018'R
- 2. Computing " epT " i ePT = 1 0.001
/2 ePT = 7.071X10-4 PSIA '".
l- 3. Computing " epy " epy = 1 (.97656 * .006 + .02344 * .008 )
/10 /1 l
epy - 2 0.0020 PSIA 1 L' 4. Computing " ep " ep = [ (7.071X10-4)2 + (0.0020): 31/2 ep = 1 0.00212 PSIA 0483H/02142 . _ . _
p-
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t: ,
> ))s
; i . ':
.6 ..
i:l , 5. LComputingLthe total instrument repeatability uncertainti."'e " i.
.. R %
[
~
Jeg /2400'* 2.[0.00212)2:+ 2'/0.0018'a H
\ 63.0 / }544.7 j
;Therefore, for a 6 hour test, R
7, eM = 1 0.01912'wt 7. / DAY
. E. COMPUTING TOTAL-INSTRUMENT UNCERTAINTY eg = 1 2 * [ (eg): + (8M)#~3 II2 eg - 1 2 * [ (0.1447): + (0.01912): 31/2 eg = + 0.0191' weight % / DAY for a 6 hour test.
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i 1 APPENDIX E Li 1 BN-TOP-1, REV.- 1 ERRATA l
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;, APPENDIX E.
. BN-TCP-1, REV. 1 ERRATA The ' Commission has approved- short duration testing for the IPCLRT provided -
the Station uses the general test method outlined in the BN-70P 1, Rev. I topical report. The primary difference between that method and the ones previously used'is in the statistical analysis of the seasured leak rate data.
- Without making any judgments concerning the validity of this test method.
~
certain. errors in the editing of the mathematical expressions were discovered. The intent here is not to change the test ethod. but rather to clarify the method in a mathematically precise-manner that allows its implementation. The errors are listed below. + EQUATION 3A. SECTION 6.2 Reads: . Lg=A+3tg Should Read: Lg=Ag+Sg t g L Reason: The calculated leak rate (L,) at time t is computed 3 l using.the equations 6 and regression 7). line c6astantsequation A ,gThe summatio 6 are i a defined as I = I, where a is the number of data sets up until ist L
- .iae t The regression line constants change each time a newdaka. set is received. The calculated leak rate is not'a linear function of time.
PARAGRAPH FOLLOWING EQ. 3A. SECTION 6.2 Reads: The devittion of the seasured leak rate (M) from the calculated , leak rate (L) is-shown graphically on Figure A.1 in Appendix A and is expressed as: Deviation a M g -L g Should Read: The deviation of the seasured leak rate (M.) from the regression line (N ) is shown graphically on Figure A*.1 in Appendix A and as l expressddas: Deviation a M g -N g wherr Ng=A p +S p *t , A,8 s Regression line constants computed from all data i P P sets available from the start of the test to the last data set at time tp, I t. 1 a time from the start of the test to the ich data set. 1' 0483H/0214Z .
Reason:-
'The. calculated leak rate as a. function of ttoe during the test is based os a regression line.
The regression line coastaats, Ag .and Sg , are changing as each additional data set is received.
- Equation 3A is used later in the test to compute L
the upper confidence limit as a function-of time. L For the purpose of this calculation, it is the deviation from the-last computed regression line at time t, that is taportant. EQUATION 4. SECTION 6.2 Reads: SSQ s I (N - L(): ; Should Reads- SSQ = I (M g - Ng ): , Reasoa: Same As'Above ' i EQUATION 5. SECTION 6.2 h Reads: SSQ = I ( M g -
.A
( + 8tg )]8 l Should Read: SSQ = I ( M g (A,+'S p
- t ))8 Reasoa: Same As Above EQUATION A30VE EQUATION 6. SECTION 6.2 Reads: 8 m (El * * ) INi ' * }
I(t g - t)3 Should Read: S s.III*i *
)Id i *
}}
g I(c g - I) 3 Reason: Regression line constant 8. changes over ctme las a function of e ) as esch:Idditional data set is received. BIrof"t"leftoutofdenominator. Summation siSaa omitted. ' EQUATION 6. SECTION 6.2 Ei d i
- Reads: 8=" (Z *i) ( i) e It g3 - (I t g)3-Should Read: B g
a" *i "i *( "i) ( i a It g 3
- (I t()3 Reason: Same Aa Above '
0483H/0214Z - - .
EQUATION 7, SECTION 6.2 P.c sds : ~ A = I --B i ' Sheuld Read: A g=i-S g t Reason: Same As Above EQUATION 10, sECTION 6 1. Reads: .A s II Nt ) (I Et *} * (I t t) (I~Ct M) t nit g3 - (I.t ja s.(I M ) (I t a) . (g g t) (g gt 3)t should Read: Ag g g nit g3
- (I c()s .
Reasoa - Same As Above ! EQUATION 13. SECTION 6.3 l Roads: g .. ,a [g , *1 , (t, - d '; a l (tg - t)2 Should Read: ca . ,a [t , 1* , (t, - t)8 I (t - T)h g where t a P time from the start of the test of the last data ' set for which the standard deviation of the seasured. ' leak rates (M ) from the' regression line (Ng ) is 1 being computed; tg a time from the start of the test of the i th data set; a a number of data sets to time e ; p a I = I ; and . ist Ta In It i. Reason: Appears to be error in editing of the report. Report does a poor job of defining variables. , 0483H/0214Z Os e
't
- p; .
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j
\
t EQUATION 14. SECTION 6.3
. Reads: oa s[1+1 + T*o ' * ) )
(tj - t)3
\
Should Read: ea ) s ( 1 + 1* + I*o
- I (t g_-I):) !
1 1 Reason: Same As Above i EQUATION 15. SECTION 6.3
- Reads:~ Confidence Limit
- L 2 7 l Should Read: Confidence Limits a L*Txe t
!~ \ where-L = calculated leak rate at time t O, i. T= T distribution value based on a, the number o( ! data sets received up until time t,; oa standard deviation of measured leak rate values u (M,) about the regression line based on data from' - the start of the test until time t p i p, Reason: Same As Above *- EQUATION 16. SECTION 6.3.
' Reads: UCL = L + T
[
- j. Should lead: UCL = L + T
- a l:
Reason: Same As Above. l EQUATION 17,-SECTION 6.3 l Reads: LCL = L - T Should Read: LCL = L - T
- a Reason: Same As Above l
l. 1' l l l 0483H/0214Z .
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+
' APPENDIX'F-
+J
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1 g t h _ 1
. ii i
'I 6 ,
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n L TYPE A TEST RESULTS USING MASS - PLOT METHOD MEASURED LEAK RATE PHASE . r I 1 i> t 0483H/0214Z _77-o c 0
r"--~~~ , 4 J
- . l L I h TYPE A TEST RESULTS 1 USING MASS-PLOT METHOD ,
MEASURED LEAK RATE PHASE ! DATA DATA SET TIME TEST ORY AIR LEAK RATE 95% UP CONF SET # DAY HH MM SS TIME, (HR) MASS, (LBM) (%/0) LIMIT, (%/0)
-56 319 00:35:48 0.000 0.87912484E+05 57 319 00:45:48 0.167 0.87911078E+05 58 319 00:55:48 0.333 0.87907922E+05 0.3739E+00 0.1088E+01
-59 319 01:05:48- 0.500 0.87907750E+05 0.2844E+00 0.4718E+01 60- 319 01:15:48 0.667 0.87903015E+05 0.3646E+00 0.5038E+01 61 319 01:25:48 0.833 0.87900422E+05 0.3963E+00 0.4876E+01 62 319 01:35:48 1.000 0.87899000E+05 0.3901E+00 0.4515E+01 63 319 01:45:48 1.167 0.87897437E+05 0.3762E+00 0.4230E+01 1 64 319 01:55:48 1.333 0.87895453E+05 0.3664E+00 0.4034E+01 65 319 02:05:48 1.500 0.87891515E+05 0.3766E+00 0.4075E+01 66' 319 02:15:48 1.667 0.87889500E+05 0.3800E+00 0.4052E+00 67 319 02:25:48 1.833 0.87887484E+05 0.3801E+00 0.4008E+00 68 319 02:35:48 2.000 0.87885328E+05 0.3793E+00 0.3966E+00 69 319 02:45:48 2.167 0.87882234E+05 0.3824E+00 0.3974E+00 '
70 319 02:55:48 2.333 0.87881062E+05 0.3796E+00 0.3929E+00 71 319 03:05:48 2.500 0.87878797E+05 0.3776E+00 0.3893E+00 72 319 03:15:48 2.667 0.87875578E+05 0.3792E+00 0.3896E+00 73 319 03:25:48 2.833 0.87874078E+05 0.3779E+00 0.3872E+00 74 319 03:35:48 3.000 0.87872437E+05 0.3753E+00 0.3840E+00' 75 319 03:45:48 3.167 0.87869219E+05 0.3755E+00 0.3833E+00 76 -319 03:55:48 3.333 0.87867828E+05 0.3738E+00 0.3811E+00 77 319 04:05:48 3.500 0.87866890E+05 0.3699E+00 0.3775E+00 78 319 04:15:48 3.667 0.87865375E+05 0.3656E+00 0.3738E+00
- 79. 319 04:25:48 3.833 0.87861703E+05 0.3647E+00 0.3722E+00 80 319 04:35:48 4.000 0.87858594E+05 0.3653E+00 0.3722E+00 81 319 04:45:48 4.167 0.87857391E+05 0.3643E+00 0.3707E+00 l 82 319 04:55:48 4.333 0.87856172E+05 0.3622E+00 0.3685E+00
) 83 319 05:05:48 4.500 0.87852875E+05 0.3619E+00 0.3677E+00 L 84 319 05:15:48 4.667 0.87851609E+05 0.3605E+00 0.3661E+00 L 85 319 05:25:48 4.833 0.87847750E+05 0.3612E+00 0.3664E+00 l 86 319 05:35:48 5.000 0.87848172E+05 0. 3591 E+00 0.7644E+00 H 87 319 05:45:48 5.167 0.87834375E+05 0.3682E+00 0.3784E+00 88 319 05:55:48 5.333 0.87843000E+05 0.2662E+00 0.3760E+00 89 319 06:05:48 5.500 0.87827031E+05 0.3759E+00 0.3891E+00 90 319 06:15:48 5.667 0.87837875E+05 0.3738E+00 0.3864E+00. 91- 319 06:25:48 5.833 0.87838219E+05 0.3701E+00 0.3825E+00 92 319 06:35:48 6.000 0.87835672E+05 0.3671E+00 0.3792E+00 93 319 06:45:48 6.167 0.87823172E+05 0.3714E+00 0.3836E+00 i 0483H/0214Z y wo w f TYPE A TEST RESULTS USING MASS - PLOT METHOD INDUCED LEAK PHASE. DATA DATA SET TIME TEST ORY AIR LEAK RATE 95% UP CONF-SET # DAY HH MM SS TIME, (HR) MASS, (LBM) (%/D) LIMIT, (%/D) 103 319 08:25:48 0.000 0.87765844E+05 104 319 08:35:48 0.167 0.87758297E+05 105 319 08:45:48 0.334 0.87751000E+05 0.1215E+01 0.1316E+01 106 319 08:55:48 0.500 0.87742625E+05 0.1262E+01 0.1344E+01 107 319 09:05:48 0.667 0.87734656E+05 0.1280E+01 0.1325E+01 108 319 09:15:48 0.834 0.87727187E+05 0.1277E+01 0.1304E+01 109 319 09:25:48 1.000 0.87718734E+05 0.1288E+01 0.1311E+01 110 319 09:35:48 1.167 0.87712703E+05 0.1268E+01 0.1296E+01 ; 111 319 09:45:48 1.334 0.87702984E+05 0.1280E+01 0.1305E+01 112 319 09:55:48 1.500 0,87697094E+05 0.1269E+01 0.1292E+01 ; 113 319 10:05:48 1-.667 0.87688109E+05 0.1273E+01 0.1291E401 114 319 10:15:48 1.834 0.87680969E+05 0.1271E+01 0.1286E+01 115 319 10:25:48 0.000 0.87673453E+05 0.1268E+01 0.1281E+01 !' 116 319 10:35:48 2.167 0.67666390E+05 0.1264E+01 0.1276E+01 117 319 10:45:48 2.334 0.87658125E+05 0.1263E+01 0.1273E+01 1 118 319 10:55:48 2,500 0.87639219E+05 0.1303E+01 0.1345E+01 119 319 11:05:48 2.667 0.87630922E+05 0.1332E+01 0.1378E+01 120 319 11:15:48 2.834 0.87623859E+05 0.1349E+01 0.1394E+01 121 319 11:25:48 3.000 0.87618172E+05 0.1354E+01 0.1395E+01 122 319 11:35:48 3.167 0.87610594E+05 0.1357E+01 0.1393E+01 123 .319 11:45:48 3.334 0.87604031E+05 0.1355E+01 0.1388E+01 l l i 0483H/0214Z
--g 6'< ]
;F, *-
l 4 1 MASS PLOT LEAKRATES VS TIME ; I t-
+
1
; ; ; ; .I 1.96 . .
l 1 l 1.03 r
.. ~i 4,gg ..
,' O.75 La LIMIT E 0.08 h M 0.81 g, g .)' 95% UPPER CONFIDENCE LIMIT
\='N..__-
4 .== 0.34 CAICULATED LEAKRATE l- ! 0.17 T.
. o.co 0.33 .1.2J 1.13 3.03 3.93- 4.03 5.73 8.83 HOURS
' SOFTWARE ID NUMBER: GNO1405-0.0 t
e FIGURE F-1 0483H/0214Z
- 7. ,
s
=,y- g ,: .,b^ ,
. . y g ,, c
- 1 i
1
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i MASS - PLOT' LEAKRATES V5 TIME a
+ 1.76 l l ; ,
1 UPPER ACCEPTANCE LIMIT 'l
,. s -- ..
- l 1.so .. ,
" N ,. o TARGET LEAKRATE-
. g. _ .
t i,3o -- .. cAtcuIATED LEAxnATE l . tao . 1 IDWER ACCEFTANCE LIMIT 1,1 n . ., 1 1 A0 ' l ; ; ; ; ; 0.33 0.43 1.33 1.s3 1.33 a.e3 a.33 3.es .; HOURS r l- SOFTWARE ID NUMBER: GNO1405-0.0 L 1 l l-s e 1 FIGURE F-2 1 1 1 l- '0483H/0214Z u l l: .. . - - -}}