ML20236U349

Reactor Containment Bldg Integrated Leak Rate Test,Rancho Seco Nuclear Generating Station Unit 1,Final Rept

ML20236U349
Person / Time
Site:	Rancho Seco
Issue date:	09/30/1987
From:	BECHTEL POWER CORP.
To:
Shared Package
ML20236U351	List: ML20236U349 ML20236U495
References
NUDOCS 8712020447
Download: ML20236U349 (92)

Text

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SACRAMENTO MUNICIPAL UTILITY DISTRICT RANCHO SECO NUCLEAR GENERATING STATION UNIT 1 REACTOR CONTAINMENT BUILDING INTEGRATED LEAKAGE-RATE TEST' FINAL REPORT DOCKET NUMBER 50-312 Bechtel Western Power Company San Francisco, California September 1987 8712O20447 074 PDR ADOCK 050 12 P

PDR

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TABLE OF CONTENTS 1.0

SUMMARY

1 2.0 TEST SYNOPSIS 2

3.0 TEST DATA

SUMMARY

5 4.0

' ANALYSIS AND INTERPRETATION 10

5.0 REFERENCES

11 APPENDICES

-A.

Bechtel ILRT Computer Program' Summary B.

ILRT Stabilization C.

ILRT Calculations Total Time Analysis Mass Point Analysis Trend Report Predictor Report Summary Data Graphs Air Mass vs. Time Total Time Leakage Rate vs. Time Mass Point Leakage Rate vs. Time D.

Verification Flow Test Total Time Analysis Mass Point Analysis Summary Data Graphs Air Mass vs. Time Total Time Leakage Rate vs. Time Mass Point Leakage Rate vs. Time E.

Data Graphs Air Mass vs. Time Temperature (average) vs. Time Pressure (dry air) vs. Time Vapor Pressure (average) vs. Time Temperature Sensors 1-18 vs. Time Pressure Sensors 1 & 2 vs. Time Dewpoint Temperature Sensors 1-6 vs. Time F.

Instrument Selection Guide G.

Type B & C Leakage Rate Test Results f

a

l 1.

SUMMARY

This report presents data, analyses, and conclusions pertaining to the Rancho Seco Nuclear Generating Station Unit 1 Integrated Leakage Rate Test (ILRT) performed in 1987.

Included in the report is a presentation of the Local Leakage Rate Test results required by the U.S.

Code of Federal Regulations, 10CFRs0 Appendix J, for adjustment of the ILRT results.

The ILRT was successfully performed from 0300 on September 2 to 0300 on September 3.

This was followed by a succrissful verification (imposed leakage) test to ensure satisfactory instrument performance.

The following is a summary of test results expressed in weight percent per day:

Test Result Acceptance Criteria Mass Point ILRT Lam 0.049*

<0.075 ILRT UCL**

0.051*

<0.075 Verification Lam 0.134 0.124 to 0.174 Total Time ILRT Lam 0.042*

<0.075 ILRT UCL**

0.055*

<0.075 Verification Lam 0.133 0.117 to 0.167 A chronological summary of events, a summary of plant technical data, and a discussion of test results are included in subsequent portions of this report.

Leakage rates include a 0.0004 weight percent per day correction for penetrations not in post-LOCA lineup during ILRT UCL = 95 percent upper confidence limit i

SU-043..

3 TEST SYNOPSIS

,v The reactor containment building Integrated Leakage Rate Test (Type A) is performed to demonstrate that leakage through the primary reactor containment and systems and components penetrating primary containment does not exceed the allowable leakage rate specified in the Rancho Seco Nuclear Generating Station Unit 1 Technical Specifications.

t i

The successful periodic Type A and supplemental verification tests were performed according to the surveil-lance procedure SP.605 Rev.2, and met the requirements of the Rancho Seco Nuclear Generating Station Unit 1 Technical Specifications, 10CFR50 Appendix J, ANSI /N45.4-1972, f

" Leakage Rate Testing of Containment Structures for Nuclear 1

Reactors" and ANSI /ANS 56.8-1981, " Containment System

)

Leakage Testing Requirements."

The leakage rate was calculated using formulas from the above ANSI Standards.

Type A test du' ration was 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

The test results are reported in accordance with the requirements of 10CFR50, Appendix J,Section V.

The containment leakage rate testing method applied is the Absolute Method as described in References 4 and 5.

This is a direct application of.the ideal gas law:

PV = WRT.

Two data analysis techniques were used:

(1)

The Mass Point Analysis Technique (Reference 5) q This technique calculates the containment air mass at each time interval.

A straight line least-squares

• ~

anlysis is used, and the slope of the regression line represents the rate of change of air mass with respect 1

to time, which corresponds to the leakage rate.

(2)

The Total Time Analysis Technique (Reference 4) i This technique measures leakage rate based on the most recent data point and the data point taken at the start of the test.

The overall calculated leakage i

rate is determined by applying linear regression analysis to all measured leakage rate data at the end of the test period.

Ninety-five percent upper confidence levels were calculated for leakage rate data as required by References 4 and 5.

This is to ensure a 95% probability that the calculated leakage rate value is within the acceptance limits.

All calculations were done with Bechtel's ILRT computer program described in Appendix A.

The temperature and pressure history and the containment air mass variations were plotted by the computer program.

These plots are in Appendix E.

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-2

(Cont'd)

Prior to pressurization, the containment was visually inspected per 10CFR50, Appendix J, requirements for cracks, corrosion, and general deterioration.

No significant deterioration was found.

Containment pressurization started at 0547 on August 30, 1987.

During pressurization the containment ventilation fans were run to minimize temperature changes.

Drybulb temperature stabilization criteria were satisfied after four hours at 1015 en August 31.

The stabilization period was extended because dewpoint temperature had not stabilized.

Dewpoint temperature continued to rise more rapidly than would be expected in a large, dry containment.

Operational checks and a visual inspection of the containment with remote television monitoring revealed no source of water vapor or standing water.

At 1420 on September 1 the normal containment cooling fans were started to provide air mixing.

4.25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> after starting the fans, drybulb temperature stabilization criteria were again satisfied.

Approximately 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> after the fans

';ere started, the dewpoint temperature begain to stabilize at a nearly constant value as would be expected in a large, dry containment.

The air mass vs. time graph exhibited an acceptably linear trend over the next several hours.

j Therefore the ILRT start time was declared at 0300 on l

September 2.

The ILRT duration was 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

At 0300 on September 3, all acceptance criteria were satisfied.

The calculated leakage rates were 0.049%/ day (mass point) and 0.042%/ day (total time).

The 95% upper confidence levels were 0.051%/ day (mass point) and 0.055%/ day (total time).

The mass point prediction value (see Reference 7) of 5.18% La was within the recommended limits of 25% La.

A verification flow of 6.30 scfm (0.100%/ day) was initiated at 0325 on September 3.

After a 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> stabilization period, the 6.5 hour5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> verification test started at 0730 and ended at 1400 on September 3.

The following table summarizes results expressed in weight percent per day (see Appendix D):

Leakace Rate Allowable Limits l

Mass Point 0.134 0.124 to 0.174 Total Time 0.133 0.117 to 0.167 SU-043 i

(Cont'd)

The containment was depressurized from 1725 on September 3 to 1130 on September 4.

Following depressurization, containment entry disclosed no str.nding water and the sump water level was measured.

Since operations neither made-up nor let-down any fluids to systems inside the containmen'; boundary during the test, no corrections need to be made fo.- volume changes.

Correc-tions for systems not in post-LOCA lineup are addressed in Section 4,

" Analysis and Interpretation."

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1

3.

TEST DATA

SUMMARY

A.

Plant Information Owner:

Sacramento Municipal Utility District Plant:

Rancho Seco Nuclear Generating Station Unit 1 Location:

Herald, CA Containment Type:

Post-tensioned, PWR Date Test Completed:

September 4, 1987 Docket Number:

50-312 B.

Technical Data 1.

Containment Net Free Air Volume 1,980,000 cu ft 2.

Design Pressure 59 psig 3.

Design Temperature 286*F 4.

Calculated Peak Accident 52 psig Pressure, Pa 5.

Containment ILRT Average 40-120*F Temperature Limits C.

Test Results - Type A Test 1.

Test Method Absolute 2.

Data Analysis Techniques Leakage Rate Total Time per BN-TOP-1 and Mass Point per ANSI /ANS 56.8-1981 3.

Test Pressure 52.0 psig + 1.0

-0 4.

Maximum Allowable Leakage 0.1%/ day Rate, La 5.

75% of La 0.075%/ day 6.

Integrated Leakage Rate From Regresion At Upper 95%

Line (Lam)

Confidence Limit a.

Mass Point Analysis 0.049 0.051 b.

Total Time Analysis 0.042 0.055 7.

Verification Test Imposed 6.30 scfm Leakage Rate, Li.%/ day 0.10%/ day

(Cont'd)-

8.

Verification Test Results Leakace Rate, %/ day a.

Mass Point Analysis 0.134 l

b.

Total Time Analysis 0.133 9.

Verification Test Limits Test Limit, %/ day a.

Mass Point Analysis

-(1) ~ Upper Limit 0.174 (Li + Lam + 0.25 La)

(2)

Lower Limit 0.124 (Li.+-Lam - 0.25 La) b.

Total Time Analysis (1)

Upper Limit 0.167 (Li + Lam + 0. 2 5 La)

(2)

Lower Limit 0.117 (Li + Lam - 0.25 La) 10.

Report Printouts The Report Printouts of the Type A and verification test calculations are provided for the Mass Point and Total Time Analyses (Appendixes C and D).

Stabilization data are also provided (Appendix B).

D.

Local Leakage Rate Test Results - Type B and C Tests (see also Appendix G).

1.

LLRT Results LLRT Subtotal of (as left) Type B and C Test:

11,602 sccm; 0.0065 %/ day Total LLRT Leakage:

0.006%/ day <

.6 La = 0.06%/ day 2.

Leakage of penetrations not in post-LOCA lineup during ILRT:

I Penetration Description As Left (SCCM) 3 Component Cooling Water Inlet 520 4

Component Colling Water Outlet 60 52 RB Atmosphere Sample 5

53 RB Atmosphere Sample 9

62 Acid Cleaning and Hydrogen Sampling 65 Total =

659 sccm 0.0004 %/ day SU-043 _

(Cont'd)

E.

Integrated Leakage Rate Measurement System The following instrument-system was used:

No. Reauired Description Data 1.

Absolute Pressure 2*

Precision Pressure Gauge Range:

0-100 psia Texas Instruments Accuracy:

iO.02% F.S.

Model 145-02 Sensitivity 0.001 psia Repeatability 0.001 psia Calibration Date:

8/25/87 2.

Drybulb Temperature 18 Temperature Sensors Range:

60-120*F Leeds and Northrop.

Accuracy:

0.10*F 100 ohm Sensitivity 0.01*F Repeatability 0.003*F Calibration Date:

8/24/87 3.

Dewooint Temperature 6

Dewpoint Detectors Range:

0-100*F Leeds and Northrop Accuracy:

1.5'F j

100 ohm Sensitivity 0.10*F-Repeatability 0.003'F Calibration Date:

8/29/87 i

4.

Flow Meters 1

Volumetrics Model Range:

0-10 scfm 45001150 Accuracy:

1% F.S.

Sensitivity 0.133 scfm

)

Repeatability 0.033 scfm Calibration Date:

8/25/87 5.

Overall Instrumentation Selection Guide (ISG) Value (from ANSI /ANS 56.8-1981, Appendix G) based on ILRT instrumentation, and a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> test duration = 0.0032%/ day (see Appendix F).

6.

Drybulb and Dewpoint Temperature Sensor Locations and Volume Fractions (see Table 1).

Pressure Gauge 2 taalfunctioned during the test and was not used for leakage rate calculations.

SU-043 - _ _ _ _ -

a

(Cont'd)

F.

Information Retained at Plant The following information is available for review at the Facility:

1.

A listing of all containment penetrations, including the total number of like penetrations, penetration size and function.

2.

A listing of normal operating instrumentation used for I

the leakage rate test.

3.

A system lineup (at time of test), showing required valve positions and status of piping systems.

4.

A continuous, sequential log of events from initial survey of containment to restoration of all tested systems.

5.

Documentation of instrumentation calibrations and standards, including an error analysis of instrumentation (Appendix F).

6.

Data to verify temperature stabilization criteria as l

established by test procedure (Appendix B).

7.

The working copy of test procedure that would include signature signoff of procedural steps.

8.

The procedure and all data that would verify completion of penetrations and valve testing (type B&C tests),

l including as found leakage rates, corrective action taken, and final leakage rate.

9.

Computer printouts of Integrated Leakage Rate Test Data j

along with a summary description of the computer program l

(Appendix A).

]

10.

The Quality Assurance audit plan or checkout that was used to monitor ILRT with proper signoffs.

11.

A listing of all test exceptions including changes in containment system boundaries instituted by licensee to conclude successful testing.

12.

Description of sensor malfunctions, repairs, and methods used to redistribute volume fractions to operating instrumentation.

13.

A review of confidence limits of test results with accompanying computer printouts where applicable.

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SU-043 I I

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1 (Cont'd) 14.

Description of method of leak rate verification of f

instrument measuring system (superimposed leakage), with calibration information on flowmeters along with calculations that were used to measure the verification leakage rate.

I 15.

Plota presenting ILRT data obtained during the test (appendix E).

16.

The P& ids of pertinent systems.

SU-043 _ - _ _

l

4.

ANALYSIS AND INTERPRETATION During the ILRT, five penetrations were not in post-LOCA lineup.

The penetrations together with their "as left" Type C leakage rates are given below:

Penetrati2D "As Left" Leakace Rate 1.

RB Atmosphere sample (52) 5 sccm (aligned to test cart) 2.

RB Atmosphere sample (53) 9 sccm (aligned to test cart) 3.

Acid Cleaning and Hydrogen Sampling (62) 65 sccm (Pressurization Line) 4.

Component Cooling Water Inlet (3) 520 sccm (CCW in service) 5.

Component Cooling Water Outlet (4) 60 sccm (CCW in service) 659 scem The total leakage rate for the five penetrations expressed in

%/ day of containment air mass is 0.0004%/ day.

The calculated leakage rates during the ILRT were 0.049%/ day (mass point) and 0.042%/ day (total time).

the calculated 95%

upper confidence levels were 0.051%/ day (mass point) and 0.055%/ day (total time).

Adding the total "as left" Type C leakage for systems not in post-LOCA lineup during the test yields the corrected leakage rates as follows:

l Leakace Rate, %/dav l

l Mass Point i

Total Time l

1 Leakace Rate 1 95% UCL I

Leckace Rate 1 95%UCL l

l Calculated I

0.049 I

0.051 l

0.042 1

0.055 l

I 0.0004 l lTvue C 1

I 0.0004 l

1 0.055 l

l Corrected I

l 0.051 1

lAs Found l

4302 sccm l

0.002

]

4302 sccm l

0.002 l

l Penalty I

I I

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l 0.057 l

lAs Found 1

l 0.053 l

lILRT Result i

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Since the corrected 95% upper confidence levels for both mass point and total time are less than 0.75 La, the test results demonstrate that leakage through the primary reactor containment and systems and components penetrating primary containment do not exceed the allowable leakage rates specified in the Rancho Seco Nuclear Generating Station Unit 1 Technical Specifications.

10 -

SU-043

l 5.

REFERENCES 1.

Rancho Seco Nuclear Generating Station Technical Specifica-l

_tions, Section 4.4-1.

2.

Rancho'Seco Nuclear Generating Station Unit 1, Reactor Building Integrated Leakage Rate Test,_ Surveillance Procedure SP.605, Rev.

O.

3.

-10CFR50' Appendix J, Reactor Containment Leakage Testing for Water Cooled Power Reactors.

4.

ANSI N45.4-1972, Leakage Rate Testing of Containment Structures for Nuclear Reactors.

5.

ANSI /ANS 56.8-1981, Containment System Leakage Testing Requirements.

6.

Bechtel Topical Report BN-TOP-1,_ Testing Criteria for Integrated Leakage Rate Testing of Primary Containment Structures for Nuclear Power Plants.

7.

Brown, T. M.

and Estenssoro, L.

F.

" Suggested Criteria for a Short Duration Integrated Leakage Rate Test," Proceedings -

Integrated Leak Rate Tests - State of the Art Technology, American Nuclear Society Reactor Operations Division Workshop, January 18-19, 1982,, San Diego, California, i

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TABLE 1 DRYBULB AND DEWPOINT TEMPERATURE SENSOR LOCATIONS l

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Sensor Elevation Azimuth Distance From Volume No.

(ft.)

(decrees)

Center (ft)

Fractions 1

105 000 0

0.100 2

60 320 25 0.034 3

105 000 30 0.100 l

4 135 000 0

0.100 5

85 000 0

0.100 6

105 180 30 0.100 7

50 090 30 0.034 46 225 50 0.029 50 270 30 0.034 10 60 215 23 0.034 11 46 035 39 0.029 12 27 300 58 0.083 13 26 138 32 0.083 14 7

010 48 0.043 15 7

235 60 0.043 16

-20 000 40 0.018 17

-20 000 45 0.018 18

-20 000 42 0.018 DEWCELLS 1

105 000 0

0.2715 2

65 140 34 0.2715 3

46 035 39 0.151 4

7 077 40 0.086 5

26 138 32 0.166 6

-20 080 42 0.054 j

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- 12

APPENDIX A Bechtel IIRP Omptzter Fw3 tam Smry l

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\\

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APPENDIX A MIXRIPIIGT OF BD0f1EL IIRT ONULER MIRAM A. Emmun ard Pmort Drcrir> tion 1.

'Ihe Bechtel IIRf conputer program is used to deternune the integrated leakage rate of a nuclear primary containmnt structure. The program is used to compute leakage rate based on input values of time, free air volume, containment abnosphere total pressure, drybulb temperature, and dewpoint temperature (water vapor pressure).

Isakage rate is computed usim the Absolute Method as defined in ANSI /ANS 56.8-1981, " Containment System Isakage Testing Requirements" aM Bi 'IOP-1, Rev 1, "Testiry Criteria for Integrated Irakage Rate

'Ibstirg of Primary Containment Structures for Nuclear Power Plants".

'Ihe program is designed to allow the user to evaluate containment leakage rate test results at the jobsite durim containment leakage testing. Current leakage rate values may be obtained at any time during the testing period using one of two computational methods, yieldirg three different report printouts.

2.

In the first printout, the Total Tim Report, leakage rate is computed frm initial values of free air volum, containment atnosphere drybulb temperature and partial pressure of dry air, the latest values of the same parameters, and elapsed time. Wese individually computed leakage rates are statistically averaged usirg linear ragussion by the method of least squares. The Total Time Method is the computational technique upon which the short duration test criteria of Hi 'IOP-1, Rev 1, " Testing Criteria for Integrated Isakage Rate 'Ibstirg of Primary Containment Structures for Nuclear Power plant," are based.

3.

'Ihe secord printout is the Mass Point Report aM is based on the Mass Point Analysis Technique described in ANSI /ANS 56.8-1981,

" Containment System Icakage 'Ibstirq Requirements". 'Ihe mass of dry air in the containment is cmputed at each data point (tim) using the Equation of State, frm current values of containment atmosphere drybulb temperature and partial pressure of dry air. Contained mass is " plotted" versus time and a regression line is fit to the data I

usirg the method of least squares. Isakage rate is detemined from the statistically derived slope and intercept of the regression line.

'Ibe third printout, the Trend Report, is a summary of leakage rate 4.

values based on 'Ibtal Time ard Mass Point computations presented as a function of number of data points and elapsed tire (test duration).

'Ihe Trerd Report provides all leakage rate values required for comparison to the acceptance criteria of Hi 'IOP-1 for conduct of a short duration test.

A-1

We program generates a predictor report based on " Suggested Criteria 5.

-for a Short Duration IIR1"', Ted Brown and Iouis Estenssoro, Proceedims of the First Workshoo on Containment Testim, January 18, 1982. We " predictor" is an estimate of the upper bouM on the change in mass point calculated leakage rate which will occur during the next four hours. We estimate is based on the mass point calculated leakage rates aM 95% UCI.s during the previous four hours.

6.

Se program is written in a high level language aM is designed for use on a micro-cmputer with direct data input frcan the data acquisition system. Brief descriptions of program use, fonnulae used for leakage rate cxxnputations, and program logic are provided in the followiry paragraphs.

B. Explanation of Pt w tam 1.

'Ibe Bechtel IIRT conputer program is written, for use by experienced IIRT personnel, to determine containment integrated leakage rates based on the Absolute Method described in ANSI /ANS 56.8-1981 arxi BN 'IOP-1.

2.

Information Irwiwi into the program prior to or at the start of the test:

Number of containment atmosphere drybulb temperature sensors, a.

dewpoint temperature (water vapor pressure) sensors aM pressure gages to be used in leakage rate amputations for the specific test b.

Volume fractions assigned to each of the above sensors c.

Calibration data for above sensors d.

Test title e.

Maxinum allowable leakage rate at test pressure 3.

Inta received from the data acquisition system during the test, and used to cmpute leakage rates:

a.

Time and date b.

Containment atmosphere drybulb temperatures c.

Containmnt atnosphere pressure (s) d.

Containment atnosphere dwpoint temperatures e.

containment free air volume.

4.

After all data at a given time are received, a Summary of Measured Data report (refer to "T'90 gram Logic," Paragraph D, " Data" option command) is printed.

A-2

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S.

If drybulb and dewpoint temperature sensors should fail during the test, the data frm the sensor (s) are not used. 'lhe volume fractions for the remainirq sensors are recomputed and reloaded into the program for use in ensuing leakage rate computations.

C. Isakaoe Rate Ebrnulae 1.

Computations Using the 'Ibtal Time Method:

a.

Measured leakage rate frm data:

(1)

PV11 " W El 1

(2)

PVii*WMi i

2400 (Wy-W) i W

ati y and Wi and substi@ equations (1) and (2)

Solving for W3 into (3) yielas:

TPV yii\\

2400 (4) 1-Li l

ati

(

TPViy1) a re W,Wi = Weight of contained mass of dry air at times ty 1

and t, respectively, Ibn.

i T,Ti = containment atmsphere drybulb temperature at 1

i and t, racpartively, 'R.

times t i

P,Pi = Mal pm of the dry air mW-t.of the 1

containment atmosphere at tim ti and t,

i respectively, psia.

V,Vi = Containment free air volume at times tiaM 1

respectiv y (constant or variable during test), ft st D

t,ti = Time at 1 and i data points respectively, hr.

i 3ti = Elapsed time frm ti to t, hr.

i R = Specific gas constant for air = 53.35 ft.lbf/lbm. *R.

Li = Measured leakage rate computed during time to t, W.%/ day.

interval t i

i A-3 i

To reduce truncation error, the conputer program uses the following equivalent formlation:

i

-2400 [ AWi)

Li" I

ati (Wy /

where W.-W AWi i

1

=

W W

1 1

ATi AP aVi AV JP i

i+

i +

P V

PV T

y 1

yy y

=

AT.

i Ty P

P APi=ViV_

y aVi= iTy ATi=Ti-1-

. b.

Calculated leakage rate frtan i.gtession analysis:

L=a+batg -

(5) where i, = calculated leakage rate, wt.%/ day, as determined frtru the r% cession line.

(6) a = (ILi - b'Iat )/N i

N(IL 'at )

-(IQ)(Eat )

i i

i (7) b=

N(I a ti ) - (I a t )2 2

i N = Number of data points.

l N

I= I i=1 95% upper confiderce limit on the calculated leakage rate:

c.

UCL = a + b A tg + S-A-4

.i

l wtiere UCL = 95% upper confidence limit wt.%/ day,. at elapsed time 'a t.y For atN < 24 i - b IL at )/(N-2)]1/2

- AIL

= tsIlILi i

i

• L

/

2 - (Iat )2/N)]1/2 (9a)'

[1 + 1 + ( a tg - at)2 (Sati i

N where t = 1.95996 + M225 + 2.82250 ;

s N-2 (N-2)d j

l For a g 2 24 i - bIL at )/(N-2)]1/2

- AIL S-=t E(Ibi i

i s

1/2 (9b)

/

2 - (It )2/N)]

(1 + ( a ti - at)2 (Iati i

N 1.6449(N-2)2 + 3.5283(N-2) + 0.85602 where ts" (N-2)2 + 1.2209(N-2) - 1.5162

-.i = Calculated leakage rate camputed using equation (5) at L

total elapsed time at, %/ day.

i Iati At =

N 2.

Computation usire the Mass Point Method:

a.

Contained mass of dry air fran data:

Wi = 144 P Vii (10)

Ei where All syrnbols as previously defined.

A-5

I b.

Calculated leakage rate frm regression analysis, W = a + b at

}

b

-2400 -

L

=

(11) a where j

l I

Calculated leakage rate, wt.%/ day, as determined from j

L

=

the regression line.

)

i (IWi - bIat )/N (12) i a

=

N(IW at ) - (IW )(Eat )

i i

i i

(13) b

=

N(IAti ) - (I at )d d

i th ati = 7btal elapsed time at time of i data point', hr.

Number of data points.

N.

=

th contained mass of dry air at i data point, lbm, Wi

=

as ocmputed frm equation (10).

N I

=I i=1 To rarna truncation error, the couputer program uses the following equivalent formulation:

b AWi

-Iat )/N (14)

W 1 + (I a =

i 1

W W

1 1

AWi aWi at)-I Eati N (I i

W W

1 1

(15) b Wi

=

N(Iati ) - (Iat )2 2

i where is as previously defined.

N1 c.

95% upper confidence limit.

-2400 UCL =

(b - S )

(16) b a

I A-6 E_____________

where UCL = 95% upper confidence ' limit, wt.%/ day.

1/2 SN

= t S

2 - (Iat )2)1/2 gy7) b

[NIati i

1.6449 (N-2)2 + 3.5283 (N-2) + 0.85602 where ts" (N-2)2 + 1.2209 (N-2) - 1.5162

~ E [Wi - (a + b at )]2 - V2 i

g,

N-2 I

I ( aW N1)2 _ c 3 ( 3 wig 1))2g _

W1) i

=

l N-2 I( AW N )(Iat )/N]2" 1/2 (I(aW N ) ati-i 1 i

l i 1 (18) l r(a ti ) - (I a t )2tp 2

d.

Predictor:

100 [2(UCL-L) + 4 (jBl + 2 S ) 3 A

Predictor

=

Ia where UCL = 95% upper confidence limit of mass point calculated leakage rate at end of test.

= Mass point calculated leakage rate at end of test.

L

= Value of linear regression analysis slope of mass point B

calculated leakage rate vs. time for last 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> of test data.

= Linear r%ussion analysis standard deviation of slope.

Sg Ia = Allowable leakage rate.

In terms of elapsed time, a t and 9 point calculated leakage time interval.

rate Imi calculated at the end of i A-7

ati 1

I Ini - B I (19)

A M

4 hr 4 hr ati ati-I Mi M I Mi 4 hr 4 hr 4 hr (20)

B

=

M I ati

-(I at )2 2

i 4 hr 4 hr I

Imi - A I Emi - B I Imi a ti 4 hr 4hr 4hr (21)

(M) s

=

I at )2) 2 g

i - (4 hr

[M-2) [M I at i

4 hr mss point calculated leakage rate evaluated using data Imi

=

up to time a t.

i 4 hr = summation over last 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> of test data.

N I

I

=

NM1 number of data points for last 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> of 'ast.

M

=

l l

A-8

-_m.

\\

D. Ptcmcun Imic l

1.

'Ihe Bechtel IIRT computer program logic flow is controlled by a set

~

of user options. 'Ihe user options and a brief description of their associated function are presented below.

OPI' ION COMMAND RNCTION 1

After starting the program execution, the user eitiwr enters the name of the file containing

]

previously entered data or initialized a new data j

file.

DATA Enables user to enter raw data. When the system requests values of time, volume, temperature, pressure and vapor pressure, the user enters the appropriate data. After c2pleting the data entry, a sumary is printed out. 'Ibe user then verifies that the data were entered correctly. If errors are.

f detected, the user will then be given the wtunity to correct the errors. After the user verifies that the data were entered correctly, a corrected Ehta Sumary Report of time, data, average temperature, partial pressure of dry air, and water vapor pressure is printed.

'IREND A Trend Report is printed.

'IUTAL A 'Ibtal Time Report is printed.

MASS A Mass Point Report is printed.

TERM Enables user to sign-off temporarily or permanently. All data is saved on a file for restarting.

CDRR Enables user to correct previously entered data.

IJSr A Sumary Data Report is printed.

READ Enable the canputer to receive the next set of data frm the data acquisition system directly.

PIUr Enables user to plot summary data, individual sersor data or air mass versus time.

DEIETE Enables user to delete a data point.

INSERP Enacles user to reinstate a previously deleted data point.,

VOIERA Enable user to change volume fractions.

A-9

OPTION COMMAND FUNCTION PRED A predictor report is printed.

TIME Enable the user to specify the time interval for a report or plot.

VERF Enable the user to input LW leakage rate ard calculated IIRT leakage rates at start of l

verification test.

E. O-fter Beoort and Data Printout MASS POINT REEORT The Mass Point Report presents leakage rate data (wt%/ day) as determined l

by the Mass Point Method. The " calculated Ieskage Rate" is the value determined from the regression analysis. The " containment Air Mass" values are the n=== of dry air in the containment (lbm). These air masses, determined frun the Equation of State, are used in the r%sassion ana1ysis.

l wran T1ME REmRr The Total Time Report presents data leakage rate (wt%/ day) as determined by the 7btal Time Method. The "CLiculated Isakage Rate" is the value determined frcan the regression analysis. The " Measured Leakage Rates"'

are the leakage rate values determined using 7btal Time calculations.

These values of leakage rate are used in the r%sassion analysis.

j TREND REPORP The Trend Report presents leakage rates an determined by the Mass Point and Total Time methods in percent of the initial contained mass of dry air per day (wtt/ day), versus elapsed time (hours) and number of data points.

PREDICIOR REPORT The predictor reports presents a predicted upper bound on the charge in calculated mass point leakage rate over the next four hours.

l i

SumARY Dm REPaRP The Summary Data report presents the actual data used to calculate leakage rates by the various methods described in the Co muter Program"

{

section of this report. The seven columns are TIME, DATE, TENP, PRESSURE, VPRS, VOIDME, arxi AIRMASS and cxmtain data defined as follows:

{

i A-10 i

l l

I l

Time in 24-hour notation (hours arri minutes).

1.

TIME:

2.

DATE:

Calendar date (month and day).

Containment weighted-average drybulb temperature in 3.

TDP:

absolute units, degrees Rankine (*R).

4.

IPESSURE:

Partial pressure of the dry air component of the containment atnesphere in absolute units (psia).

Partial pressure of water vapor of the containment 5.

VPRS:

atmosphere in absolute units (psia).

Containment free air volume (cu. ft.).

6.

VOILIME:

7.

AIRMASS:

Calculated dry air mass (lhn).

F. 9--..av of Measurul Data and 9mmrv of Cbrrected Ihta

'Ihe Summary of Measured Data presents the individual containment atmosphere drybulb temperatures, cewpoint temperatures, absolute total pressure and free air volume mah at the time and date.

TDP 1 thruxjh TD@ N are the drybulb temperatures, where N = No. of 1.

IUD's. 'Ihe values in the right-hand column are temperatures (*F),

multiplied by 100, as read fra the data acquisition system (DAS).

'Ihe values in the left-harx1 column are the corrected temperatures expressed in absolute units (*R).

PRES 1 through PRES N are the total pressures, absolute, were N = No.

2.

'Ibe right-hand value, in parentheses, is a of pressure sensors.

number of counts as read frm the DAS. 'Ihis count value is converted to a value in psia by the crmputer via the instrument's calibration table, counts versus psia. 'Ihe left-hand column is the absolute total pressure, psia.

3.

VPRS 1 through VPRS N are the dewpoint temperatures (water vapor pressures), where N = No. of dewpoint sensors. 'Ihe values in the right-hand column are temperatures (*F), nultiplied by 100 as read frcun the DAS. 'Ibe values in the left-hand column are the water vapor pressures (psia) frm the steam tables for saturated steam couuspeding to the dewpoint (saturation) temperatures in the center column.

'Ihe Summary of Corrected Ihta presented corrected temperature and pressure values and calculated air mass detemined as follows:

TDFERAIURE (*R) is the volume weighted average containment i

1.

athu@ere drybulb temproture derived frm TD@ 1 through TEMP N.

A-11

l CDRRECTED PRESSURE (puia) is the partial pressure of the dry air 2.

component of the containment atmosphere, absolute. The volume j

weighted average containment atmosphere water vapor pressure is subtracted from the volume weighted average total pressure, yielding.

the partial pressure of the dry air.

VAFOR PRESSURE (psia) is the volume weighted average containment 3.

at2nosphere water vapor pressure, absolute, derived frcan VPRS 1 through VPRS N.

4.

VOLUME (cu. ft.) is the containment free air volume.

5.

CONIAINMDir AIR MASS (lbn) is the calculated mass of dry air in the containment. 'Ihe mss of dry air is calculated using the containment free air volume and the above TEMPERA 1URE arxi CDRRECTED PRESSURE of the dry air.

i 1

l 1

J l

l 1

t l

A-12 I

)

i t

a

APPENDIX B ILRT Stabilization l

RANCHO SECO ILRT - 1987 TEMPERATURE STABILIZATION FROM A STARTING TIME AND DATE OF:

2000 901 1987 TIME TEMP ANSI BN-TOP-1 MS-021-5 (HOURS)

( R)

AVE T

AVE T

DIFF AVE T

AVE T (4 HRS)

(1HR)

(2 HRS)

(2 HRS)

.00 546.816

.25 546.82*/

.50 546.839

.75 546.846 1.00 546.848 1.25 546.858 1.50 546.870 1.75 546.879 2.00 546.879

.031*

.024*

2.25 546.883

.028*

.019*

2.50 S46.891

.026*

.003*

2.75 546.915

.035*

.049*

3.00 546.917

.034*

.017*

3.25 546.924

.033*

.011*

3.50 546.909

.020*

.055*

3.75 546.917

.019*

.018*

4.00 546.923

.027

.006

.021*

.022*

.003*

4.25 546.931

.026

.007

.019*

.024*

.003*

4.50 546.943

.026

.034

.008*

.026*

.030*-

4.75 546.942

.024

.025

.001*

.014*

.005*

5.00 546.944

.024

.021

.003*-

.014*

.012*

5.25 546.960

.026

.029

.003*

.018*

.071*

5.50 546.968

.024

.025

.001*

.029*

.002*

5.75 546.960

.020

.018

.002*

.022*

.029*

6.00 546.964

.021

.020

.001*

.021*

.010*

6.25 546.960

.019

.000

.019*

.014*

.035*

6.50 546.955

.016

.012

.029*

.006*

.010*

6.75 546.962

.012

.001

.010*

.010*

.010*

7.00 546.964

.012

.000

.012*

.010*

.030*

• INDICATES TEMPERATURE STABILIZATION HAS BEEN SATISFIED i

RANCHO SECO ILRT - AUGUST 1987

SUMMARY

DATA

.100 VOLUME =

1980000.

ALMAX

=

VRATET =

.000 VRATEM =.000 TIME DATE TEMP PRESSURE VPRS VOLUME AIRMASS 615 831 547.925 67.0020

.3643 1980000.0 653520.9 630 831 547.705 66.9582

.3735 1980000.0 653357.3 645 831 547.539 66.9406

.3709 1980000.0 653383.1 700 831 547.438 66.9337

.3646 1980000.0 653436.3 715 831 547.366 66.9238

.3653 1980000.0 653424.9 730 831 547.313 66.9045

.3795 1980000.0 653300.8 745 831 547.272 66.8965

.3805 1980000.0 653271.1 800 831 547.239 66.8958

.3760 1980000.0 653304.3 815 831 547.203 66.8868

.3790 1980000.0 653258.3 830 831 547.182 66.8836

.3771 1980000.0 653252.0 845 831 547.156 66.8737

.3830 1980000.0 653185.9 900 831 547.138 66.8732

.3793 1980000.0 653204.1 915 831 547.111 66.8688

.3797 1980000.0 653192.9 930 831 547.090 66.8632

.3823 1980000.0 653162.9 i

945 831 547.066 66.8593

.3831 1980000.0 653153.3 1000 831 547.043 66.8542

.3852 1980000.0 653131.1 1015 831 547.026 66.8564

.3799 1980000.0 653172.9 1030 831 547.012 66.8525

.3808 1980000.0 653151.3 1045 831 546.995 66.8553

.3760 1980000,0 653198.9 1100 831 546.976 66.8548

.3734 1980000.0 653217.1 1115 831 546.959 66.8500

.3751 1980000.0 653190.9 1130 831 546.946 66.8486

.3745 1980000.0 653192.4 1145 831 546.933 66.8469

.3742 1980000.0 653192.1 1200 831 546.930 66.8406

.3785 1980000.0 653133.8 1215 831 546.918 66.8379

.3791 1980000.0 653121.8 1230 831 546.911 66.8361

.3789 1980000.0 653112.0 1245 831 546.900 66.8377

.3763 1980000.0 653141.3 1300 831 546.891 66.8354

.3786 1980000.0 653128.6 1315 831 546.893 66.8350

.3780 1980000.0 653122.5 1330 831 546.893 66.8324

.3796 1980000.0 653097.1 1345 831 546.891 66.8314

.3795 1980000.0 653090.0 1400 831 546.893 66.8307

.3792 1980000.0 653080.9 1415 831 546.887 66.8319

.3791 1980000.0 653100.1 1430 831 546.882 66.8422

.3688 1980000.0 653206.0 1445 831 546.894 66.8371

.3739 1980000.0 653141.7 1500 831 546.892 66.8372

.3738 1980000.0 653146.0 1515 831 546.897 66.8291

.3808 1980000.0 653060.3 1530 831 546.895 66.8363

.3736 1980000.0 653133.4 1545 831 546.895 66.8349

.3751 1980000.0 653118.7 1600 831 546.896 66.8304

.3795 1980000.0 653074.3 1615 831 546.897 66.8315

.3774 1980000.0 653C83.7 1630 831 546.897 66.8237

.3842 1980000.0 653007.1 1645 831 546.898 66.8236

.3843 1980000.0 653005.4

'l RANCHO SECO ILRT - 1987 I

SUMMARY

DATA j

.100 VOLUME =

1980000.

ALMAX

=

VRATET =

.142 VRATEM =.149 TIME DATE TEMP PRESSURE VPRS VOLUME AIRMASS 1700 831 546.893 66.8238

.3841 1980000.0 653013.9 1715 831 546.900 66.8229

.3840 1980000.0 652996.7 1730 831 546.887 66.8205

.3864 1980000.0 652988.2 1745 831 546.893 66.8212

.3846 1980000.0 652988.8 1800 831 546.891 66.8201

.3858 1980000.0 652980.1 1835 831 546.882 66.8196

.3852 1980000.0 652986.1 1830 831 546.882 66.8197

.3842 1980000.0 652985.9 1845 831 546.885 66.8188

.3851 1980000.0 652973.3 1900 831 546.883 66.8166

.3863 1980000.0 652954.5 1915 831 546.877 66.8170

.3858 1980000.0 652965.9 1930 831 546.875 66.8150

.3868 1980000.0 652949.8 i

1945 831 546.875 66.8134

.3874 1980000.0 652933.8 2000 831 546.874 66.8112

.3886 1980000.0 652913.3 2015 831 546.870 66.8095

.3893 1980000.0 652901.4 2030 831 546.872 66.8088

.3889 1980000.0 652892.6 2045 831 546.872 66.8083

.3884 1980000.0 652887.4 2100 831 546.862 66.8069

.3888 1980000.0 652885.0 2115 831 546.860 66.8066

.3881 1980000.0 652885.0 2130 831 546.857 66.8055

.3883 1980000.0 652876.8 2145 831 546.855 66.8037

.3890 1980000.0 652862.6 2200 831 546.851 66.8027

.3890 1980000.0 652857.1 2215 831 546.845 66.8038

.3879 1980000.0 652875.7 2230 831 546.845 66.8012

.3884 1980000.0 652849.7 2245 831 546.841 66.8002

.3884 1980000.0 652845.1 2300 831 546.840 66.7987

.3889 1980000.0 652831.6 2315 831 546.835 66.7978

.3888 1980000.0 652829.0 2330 831 546.829 66.7978

.3877 1980000.0 652836.1 2345 s31 546.824 66.7946

.3890 1980000.0 652810.1 4

0 901 546.820 66.7932

.3893 1980000.0 652800.9

),

901 546.812 66.7921

.3894 1980000.0 652801.0 s0 901 546.802 66.7921

.3885 1980000.0 652812.3 45 901 546.803 66.7902

.3893 1980000.0 652793.3 100 901 546.791 66.7908

.3877 1980000.0 652812.0 115 901 546.778 66.7901

.3874 1980000.0 652821.5 130 901 546.771 66.7907

.3858 1980000.0 652835.2 145 901 546.763 66.7895

.3859 1980000.0 652832.8 200 901 546.764 66.7890

.3854 1980000.0 652827.4 215 901 546.760 66.7846

.3888 1980000.0 652789.2 230 901 546.751 66.7825

.3909 1980000.0 652779.7 245 901 546.747 66.7836

.3888 1980000.0 652795.1 300 901 546.744 66.7836

.3878 1980000.0 652798.1 315 901 546.739 66.7798

.3905 1980000.0 652766.8 330 901 546.750 66.7831

.3862 1980000.0 652786.1 345 901 546.727 66.7804

.3869 1980000.0 652786.8 i

RANCHO SECO ILRT - 1987

SUMMARY

DATA

.100 VOLUME =

1980000.

ALMAX

=

VRATET =

.142 VRATEM =.149 TIME DATE TEMP PRESSURE VPRS VOLUME AIRMASS 400 901 546.723 66.7788

.3875 1980000.0 652776.8 415 901 546.722 66.7887

.3766 1980000.0 652874.7 430 901 546.713 66.8003

.3640 1980000.0 652998.8 44S 901 546.708 66.7960

.3683 1980000.0 652963.1 500 901 546.704 66.7890

.3742 1980000.0 652899.1 515 901 546.704 66.8062

.3560 1980000.0 653067.3 530 901 546.697 66.7914

.3688 1980000.0 652931.3 545 901 546.689 66.8068

.3524 1980000.0 653091.2 600 901 546.689 66.7924

.3658 1980000.0 652949.9 615 901 546.676 66.8036

.3535 1980000.0 653074.8 630 901 546.679 66.7935

.3626 1980000.0 652973.3 645 901 546.674 66.8082

.3469 1980000.0 653123.3 700 901 546.663 66.8058

.3483 1980000.0 653112.2 715 901 546.667 66.8146

.3385 1980000.0 653193.7 730 901 546.657 66.8070

.3451 1980000.0 653130.2 745 901 546.648 66.8171

.3350 1980000.0 653240.9 800 901 546.644 66.8161

.3349 1980000.0 653236.3 815 901 546.646 66.8093

.3407 1980000.0 653166.3 830 901 546.650 66.8144

.3346 1980000.0 653212.3 845 901 546.644 66.8101

.3379 1980000.0 653177.5 900 901 546.637 66.8104

.3366 1980000.0 653187.8 915 901 546.635 66.8110

.3361 1980000.0 653196.4 930 901 546.629 66.8098

.3362 1980000.0 653192.1 945 901 546.626 66.8089

.3360 1980000.0 653186.9 1000 901 546.627 66.8081

.3368 1980000.0 653177.5 1015 901 546.628 66.8046

.3394 1980000.0 653141.4 1030 901 546.621 66.8040

.3399 1980000.0 653145.1 1045 901 546.630 66.8039

.3391 1980000.0 653132.3 1100 901 546.629 66.8038

.3381 1980000.0 653133.1 1115 901 546.624 66.8035

.3385 1980000.0 653135.7 1130 901 546.625 66.8012

.3397 1980000.0 653113.4 1145 901 546.625 66.8000

.3409 1980000.0 653100.7 1200 901 546.636 66.7990

.3419 1980000.0 653078.3 1215 901 546.638 66.8002

.3407 1980000.0 653086.6 1230 901 546.649 66.7987

.3423 1980000.0 653059.0 1245 901 546.648 66.7965

.3444 1980000.0 653039.1 1300 901 546.655 66.7977

.3442 1980000.0 653042.6 1315 901 546.671 66.7987

.3433 1980000.0 653032.8 1330 901 546.678 66.7962

.3457 1980000.0 652999.9 1345 901 546.685 66.7971

.3459 1980000.0 653000.1 1400 901 546.700 66.7949

.3490 1980000.0 652961.3 1415 901 546.711 66.7971

.3479 1980000.0 652969.5 1430 901 546.467 66.7584

.3440 1980000.0 652882.8 1445 901 546.286 66.7338

.3634 1980000.0 652858.7 1500 901 546.174 66.6836

.4005 1980000.0 652500.8 1515 901 546.215 66.6931

.3950 1980000.0 652545.3 1530 901 546.260 66.7125

.3848 1980000.0 652680.6 1545 901 546.342 66.7164

.3900 1980000.0 652621.9

RANCHO SECO ILRT - 1987

SUMMARY

DATA

.100 VOLUMB =

1980000.

ALMAX

=

VRATET =

.142 VRATEM =.149 TIME DATE TEMP PRESSURE VPRS VOLUME AIRMASS 1600 901 546.399 66.7314

.3822 1980000.0 652699.3 1615 901 546.438 66.7371

.3815 1980000.0 652709.5 1630 901 546.491 66.7397

.3839 1980000.0 652671.8 1645 901 546.521 66.7466

.3801 1980000.0 652702.8 1700 901 546.566 66.7505

.3803 1980000.0 652687.6 1715 901 546.604 66.7555

.3783 1980000.0 652691.3 1730 901 546.626 66.7578

.3791 1980000.0 652686.9 1745 901 546.656 66.7567

.3832 1980000.0 652640.8 1800 901 546.692 66.7625

.3794.

1980000.0 652654.0 1815 901 546.718 66.7629

.3811 1980000.0 652626.4

)

1830 901 546.736 66.7641

.3809 1980000.0 652616.8 1845 901 546.746 66.7670

.3790 1980000.0 652633.4 1900 901 546.756 66.7708

.3762 1980000.0 652658.9 1915 901 546.779 66.7688

.3793 1980000.0 652611.3 1930 901 546.793 66.7691

.3800 1980000.0 652597.5 1945' 901 546.811 66.7702

.3799 1980000.0 652587.8 2000 901 546.816 66.7749

.3751 1980000.0 652627.8 l

2015 901 546.827 66.7742

.3769 1980000.0 652608.1 2030 901 546.839 66.7702

.3809 1980000.0 652553.5 2045 901 546.846 66.7747

.3764 1980000.0 652589.9 2100 901 546.848 66.7717

.3794 1980000,0 652557.4 2115 901 546.858 66.7732

.3789 1980000.0 652560.8 2130 901 546.870 66.7759

.3761 1980000.0 652573.3 2145 901 546.879 66.7733

.3788 1980000.0 652536.8 2200 901 546.879 66.7749

.3772 1980000.0 652552.1 2215 901 546.883 66,7734

.3797 1980000.0 652533.0 2230 901 546.891 66 7791

.3740 1980000.0 652579.1 J

2245 901 546.915 66.7772

.3779 1980000.0 652531 8 l

2300 901 546.917 66.7817

.3734 1980000.0 652573.4 2315 901 546.924 66.7796

.3755 1980000.0 652544.4 2330 901 546.909 66.7763

.3788 1980000.0 652530.6 j

2345 901 546.917 66.7802

.3749 1980000.0 652558.4

{

0 902 546.923 66.7813

.3738 1980000.0 652562.4 1

15 902 546.931 66.7753

.3798 1980000.0 652493.4 j

30 902 546.943 66.7814

.3747 1980000.0 652540.0 45 902 546.942 66.7812

.3750 1980000.0 652538.2 100 902 546.944 66.7802

.3760 1980000.0 652525.9

)

4 115 902 546.960 66.7785

.3776 1980000.0 652490.9 130 902 546.968 66.7853

.3718 1980000.0 652548.6 145 902 546.960 66.7766

.3796 1980000.0 652471.3 200 902 546.964 66.7832

.3730 1980000.0 652531.2 215 902 546.960 66.7829

.3722 1980000.0 652534.0 230 902 546.955 66.7793

.3758 1980000.0 652504.6 245 902 546.962 66.7807

.3744 1980000.0 652510.5 I

i

.)

1

APPENDIX C ILRT Calculations

RANCHO SECO ILRT - 1987 LEAKAGE RATE (WEIGHT PERCENT / DAY)

TOTAL TIME ANALYSIS TIME AND DATE AT START OF TEST:

300 902 1987 TEST DURATION: 24.00 HOURS 1

TIME TEMP PRESSURE MEASURED (R)

(PSIA)

LEAKAGE RATE 300 546.964 66.7808 315 546.971 66.7822

.067 330 546.988 66.7784

.382 345 546.984 66.7811

.100 400 547.001 66.7835

.063 415 546.990 66.7817

.067 3

430 546.994 66.7798

.113 445 547.000 66.7810

.084 500 546.999 66.7802

.087 515 547.007 66.7789

.114 530 547.007 66.7836

.035 545 547.018 66.7823

.067 600 547.005 66.7840

.021 615 547.009 66.7856

.008 630 547.010 66.7847

.018 645 547.013 66.7872

.005 700 547.015 66.7799

.063 715 547.016 66.7855

.014 730 547.014 66.7838

.024 745 547.025 66.7836

.036 800 547.030 66.7809

.057 815 547.043 66.7855

.034 830 547.047 66.7860

.032 845 547.062 66.7824

.065 900 547.070, 66.7892

.027 915 547.067 66.7887

.027 930 547.092 66.7907

.032 945 547.112 66.7889

.053 1000 547.113 66.7921

.036 1015 547.124 66.7959

.022 1030 547.138 66.7941

.038 1045 547.165 66.7989

.029 1100 547.187 66.7944

.061 1115 547.208 66.8038

.029 1130 547.242 66.8061

.037 l

1145 547.276 66.8080

.044 1

I 1200 547.304 66.8117

.042 1215 547.333 66.8137

.047 1230 547.385 66.8219

.039 1245 547.426 66.8253

.044 j

1300 547.456 66.8278

.047 i

1315 547.485 66.8338

.037 f

1330 547.533 66.8333

.058 1345 547.569 66.8415

.044 1400 547.606 66.8460

.043 l

RANCHO SECO ILRT - 1987 LEAKAGE RATE (WEIGHT PERCENT / DAY)

TOTAL TIME ANALYSIS TIME AND DATE AT START OF TEST:

300 902 1987 TEST DURATION: 24.00 HOURS TIME TEMP PRESSURE MEASURED (R)

(PSIA)

LEAKAGE RATE 1415 547.635 66.8497

.042 1430 547.673 66.8538

.042 1445 547.711 66.8570

.046 1500 547.748 66.8605

.048 1515 547.775 66.8632

.049 1530 547.810 66.8672

.048 1545 547.839 66.8711

.047 1600 547.879 66.8698

.063 1615 547.891 66.8741

.054 1630 547.900 66.8798

.041 1645 547.920 66.8758

.057 1700 547.936 66.8795

.051 1715 547.962 66.8842

.047 1730 547.983 66.8854

.049 1745 547.998 66.8884

.045 1800 548.018 66.8913

.044 1815 548.031 66.8908

.047 1830 548.047 66.8928

.047 1845 548.063 66.8932

.050 1900 548.070 66.8949

.047 1915 548.077 66.8953

.047 1930 548.080 66.8919

.055 1945 548.078 66.8942

.048 2000 548.089 66.8946

.050 2015 548.084 66.8950

.047 2030 548.085 66.8950

.046 2045 548.083 66.8909

.054 2100 548.083 66.8926

.049 2115 548.077 66.8963

.040 2130 548.086 66.8912

.052 2145 548.080 66.8952

.042 2200 548.085 66.8945

.044 2215 548.091 66.8925

.048 2230 548.090 66.8885

.055 2245 548.102 66.8933

.048 2300 548.096 66.8908

.051 2315 548.097 66.8926

.047 2330 548.107 66.8937

.047 2345 548.108 66.8912

.051 0

548.111 66.8983

.038 15 548.119 66.8945

.046 30 548.122 66.8900

.054 45 548.126 66.8922

.050 100 548.132 66.8974

.042 115 548.159 66.8917

.056

RANCHO SECO ILRT - 1987 LEAKAGE RATE (WEIGHT PERCENT / DAY)

TOTAL TIME ANALYSIS TIME AND DATE AT START OF TEST:

300 902 1987 TEST DURATION: 24.00 HOURS TIME TEMP PRESSURE MEASURED (R)-

(PSIA)

LEAKAGE RATE 130 548.157 66.8935

.053 145 548.168 66.8957

.050 200 548.172 66.8993

.045 215 548.180 66.8970

.050 230 548.179 66.9004

.044 245 548.178 66.8989

.045 300 548.187 66.8973

.049

.050

,MEAN OF THE MEASURED LEAKAGE RATES

=

.100 MAXIMUM ALLOWABLE LEAKAGE RATE

=

=

.075 75% OF MAXIMUM ALLOWABLE LEAKAGE RATE

.055 l

THE UPPER 95% CONFIDENCE LIMIT

=

.042 THE CALCULATED LEAKAGE RATE

=

E l

RANCHO SECO ILRT - 1987 j

LEAKAGE RATE (WEIGHT PERCENT / DAY) j MASS POINT ANALYSIS 1

)

TIME AND DATE AT STAP.T OF TEST:

300 902 1987 TEST DURATION: 24.00 HOURS TIME TEMP PRESSURL CTMT. AIR MASS LOSS AVERAGE MASS (R)

(PSIA)

MASS (LBM)

(LBM)

LOSS (LBM/HR) 300 546.964 66.7808 652508.4 i

315 546.971 66.7822 652513.0

-4.5

-18.1 330 546.988 66.7784 652456.5 56.5 103.9 345 546.984 66.7811 652488.1

-31.6 27.1 400 547.001 66.7835 652491.3

-3.1 17.2 415 546.990 66.7817 652485.7 5.5 18.2 430 546.994 66.7798 652462.3 23.4 30.8 3

445 547.000 66.7810 652468.4

-6.1 22.9 l

500 546.999 66.7802 652461.1 7.3 23.7 515 547.007 66.7789 652438.9 22.3 30.9 530 547.007 66.7836 652484.4

-45.6 9.6 j

545 547.018 66.7823 652458.1 26.4 18.3 600 547.005 66.7840 652491.4

-33.4 5.7 615 547.009 66.7856 652501.2

-9.7 2.2 630 547.010 66.7847 652491.2 10.0 4.9 I

645 547.013 66.7872 652513.1

-21.9

-1.2 700 547.015 66.7799 652439.4 73.7 17.3 715 547.016 66.7855 652492.4

-53.0 3.8 730 547.014 66.7838 652478.9 13.6 6.6 745 547.025 66.7836 652462.6 16.3 9.7 800 547.030 66.7809 652430.5 32.1 15.6 815 547.043 66.7855 652460.3

-29.8 9.2 830 547.047 66.7860 652460.5

.2 8.7 845 547.062 66.7824 652407.1 53.4 17.6 900 547.070 66.7892 652464.4

-57.3 7.3 1

915 547.067 66.7887 652462.9 1.5 7.3 j

930 547.092 66.7907 652452.5 10.4 8.6 945 547.112 66.7889 652411.3 41.2 14.4 1000 547.113 66.7921 652440.5

-29.2 9.7 1015 547.124 66.7959 652465.1

-24.6 6.0 1030 547.138 66.7941 652430.8 34.3 10.4 1045 547.165 66.7989 652446.4

-15.7 8.0 1100 547.187 66.7944 652375.5 70.9 16.6 f

{

1115 547.208 66.8038 652442.9

-67.3 8.0 1130 547.242 66.8061 652423.6 19.3 10.0 1145 547.276 66.8080 652402.7 20.9 12.1 1200 547.304 66.8117 652404.6

-1.9 11.5 1215 547.333 66.8137 652389.0 15.6 12.9 1230 547.385 66.8219 652408.5

-19.5 10.5

{

1245 547.426 66.8253 652392.1 16.4 11.9 l

1300 547.456 66.8278 652380.3 11.9 12.8 1315 547.485 66.8338 652404.9

-24.6 10.1 1330 547.533 66.8333 652343.2 61.7 15.7 1345 547.569 66.8415 652379.9

-36.7 12.0 I

1400 547.606 66.8460 652380.1

.2 11.7

RANCHO SECO ILRT - 1987 LEAKAGE RATE (WEIGHT PERCENT / DAY)

MASS POINT ANALYSIS TIME AND DATE AT START OF TEST:

300 902 1987 TEST DURATION: 24.00 HOURS TIME TEMP PRESSURE CTMT. AIR MASS LOSS AVERAGE MASS (R)

(PSIA)

MASS (LBM)

(LBM)

LOSS (LBM/HR) 1415 547.635 66.8497 652381.1

-1.0 11.3 1430 547.673 66.8538 652376.7 4.4 11.5 1445 547.711 66.8570 652362.4 14.3 12.4 1500 547.748 66.8605 652352.0 10.3 13.0 1515 547.775 66.8632 652346.1 5.9 13.3 1530 547.810 66.8672 652343.8 2.3 13.2 1545 547.839 66.8711 652346.6

-2.8 12.7 1600 547.879 66.8698 652286.8 59.9 17.1 1615 547.891 66.8741 652314.4

-27.7 14.6 1630 547.900 66.8798 652359.1

-44.7 11.1 1645 547.920 66.8758 652297.1 62.0 15.4 1700 547.936 66.8795 652314.0

-16.9 13.9 1715 547.962 66.8842 652328.3

-14.2 12.6 1730 547.983 66.8854 652315.6 12.7 13.3 1745 547.998 66.8884 652327.1

-11.4 12.3 1800 548.01G 66.8913 652330.3

-3.3 11.9 1815 548.031 66.8908 652311.6 18.7 12.9 1830 548.047 66.8928 652310.5 1.1 12.8 1845 548.063 66.8932 652296.1 14.4 13.5 1900 548.070 66.8949 652303.4

-7.3 12.8 1915 548.077 66.8953 652300.5 2.9 12.8 1930 548.080 66.8919 652263.7 36.8 14.8 1945 548.078 66.8942 652288.3

-24.6 13.1 2000 548.089 66.8946 652279.4 8.8 13.5 2015 148.084 66.8950 652288.4

-9.0 12.8 48.085' 66.8950 652287.4 1.1 12.6 2030 2

2045 548.083 66.8909 652249.1 38.2 14.6 2100 548.083 66.8926 652267.1

-17.9 13.4 2115 548.077 66.8963 652309.4

-42.4 10.9 2130 548.086 66.0912 652248.4 61.0 14.1 2145 548.080 66.8952 652295.3

-46.8 11.4 2200 548.085 66.8945 652283.3 12.0 11.9 2215 548.091 66.8925 652255.6 27.6 13.1 2230 548.090 66.8885 652218.3 37.3 14.9 2245 548.102 66.8933 652250.9

-32.6 13.0 2300 548.096 66.8908 652233.4 17.5 13.8 2315 548.097 66.8926 652249.1

-15.7 12.8 2330 548.107 66.8937.

6522/.8.4

.7 12.7 2345 548.108 66.8912 652222.9 25.5 13.8 0

548.111 66.8983 652288.9

-66.0 10.5 15 548.119 65.8945 652242.3 46.6 12.5 30 548.122 66.8900 652194.7 47.6 14.6 45 548.126 66.8922 652211.6

-16.9 13.6 100 548.132 66.8974 652255.8

-44.1 11.5 115 548.159 66.8917 652167.1 88.6 15.3

RANCHO SECO ILRT - 1987 LEAKAGE RATE (WEIGHT PERCENT / DAY)

MASS POINT ANALYSIS TIME AND DATE AT START OF TEST:

300 902 1987 TEST DURATION: 24.00 HOURS TIME TEMP PRESSURE CTMT. AIR MASS LOSS AVERAGE MASS (R)

(PSIA)

MASS (LBM)

(LBM)

LOSS (LBM/HR) 130 548.157 66.8935 652187.1

-20.0 14.3 145 548.168 66.8957 652196.2

-9.1 13.7 200 548.172 66.8993 652225.5

-29.4 12.3 215 548.180 66.8970 652193.4 32.1 13.6 230 548.179 66.9004 652228.0

-34.6 11.9 1

245 548.178 66.8989 652215.3 12.8 12.3 300 548.187 66.8973 652187.9 27.4 13.4 FREE AIR VOLUME USED (CU. FT.)

=1980000.0 REGRESSION LINE l

INTERCEPT (LBM)

= 652516.5

-13.4 l

SLOPE (LBM/HR)

=

.100 l'

MAXIMUM ALLOWABLE LEAKAGE RATE

=

.075 75% OF' MAXIMUM ALLOWABLE LEAKAGE RATE

=

.051 THE UPPER 95% CONFIDENCE LIMIT

=

.049 THE CALCULATED LEAKAGE RATE

=

L

RANCHO SECO ILRT - 1987 TREND REPORT TIME AND DATE AT START OF TEST:

300 902 1987 NO.

END TOTAL TIME ANALYSIS MASS POINT ANALYSIS PTS TIME MEAS. CALCULATED UCL CALCULATED UCL 2

315

.067

.067 99.000

.067 99.000 3

330

.382

.382 99.000

.382 2.599 4

345

.100

.222 3.114

.173

.665 5

400

.063

.136 1.295

.087

.343 6

415

.067

.099

.838

.062

.217 7

430

.113

.104

.661

.083

.190 8

445

.084

.093

.550

.078

.154 9

500

.087

.088

.480

.077

.135 10 515

.114

.095

.442

.090

.138 11 530

.035

.073

.389

.063

.111 12 545

.067

.067

.357

.060

.099 13 600

.021

.050

.319

.040

.079 14 615

.008

.033

.286

.022

.060 15 630

.018

.023

.261

.013

.047 16 645

.005

.010

.236

.000

.033 17 700

.063

.015

.233

.012

.043 18 715

.014

.009

.217

.007

.035 19 730

.024

.006

.206

.006

.031 20 745

.036

.006

.199

.009

.032 21 800

.057

.011

.199

.017

.039 22 815

.034

.010

.192

.018

.038 23 830

.032

.009

.186

.018

.036 24 845

.065

.014

.188

.026

.044 25 900

.027

.013

.182

.024

.041 26 915

.027

.011

.176

.023

.038 27 930

.032

.011

.172

.023

.037 28 945

.053

.014

.171

.027

.041 29 1000

.036

.014

.168

.027

.040 30 1015

.022

.012

.163

.025

.037 31 1030

.038

.013

.161

.026

.037 32 1045

.029

.012

.158

.025

.036 33 1100

.061

.015

.159

.030

.041 1

34 1115

.029

.015

.156

.029

.040 35 1130

.037

.015

.154

.029

.039 36 1145

.044

.016

.153

.031

.040 l

37 1200

.042

.017

.152

.032

.041 38 1215

.047

.018

.152

.034

.042 39 1230

.039

.019

.150

.034

.042 40 1245

.044

.020

.149

.035

.043 41 1300

.047

.021

.149

.036

.044 42 1315

.037

.021

.147

.036

.043 l

43 1330

.058

.023

.148

.038

.046 44 1345

.044

.024

.147

.039

.046 j

45 1400

.043

.024

.146

.039

.046 46 1415

.042

.024

.145

.039

.046 47 1430

.042

.025

.144

.040

.046 48 1445

.046

.025

.143

.040

.046 l

I 4

4-

_______________U

I RANCHO SECO ILRT - 1987 TREND REPORT TIME AND DATE AT START OF TEST:

300 902 1987 NO.

END TOTAL TIME ANALYSIS MASS POINT ANALYSIS PTS TIME MEAS. CALCULATED UCL CALCULATED UCL 49 1500

.048

.026

.143

.041

.047 50 1515

.049

.027

.142

.042

.047 l

51 1530

.048

.028

.142

.042

.048 52 1545

.047

.028

.141

.043

.048 53 1600

.063

.030

.142

.045

.050 54 1615

.054

.031

.142

.04C

.051 55 1630

.041

.031

.141

.046

.051 56 1645

.057

.032

.141

.047

.052 57 1700

.051

.033

.141

.047

.052 58 1715

.047

.033

.140

.047

.052 59 1730

.049

.034

.140

.048

.052 60 1745

.045

.034

.139

.048

.052 61 1800

.044

.034

.138

.047

.052 62 1815

.047

.034

.138

.047

.052 63 1830

.047

.035

.137

.047

.052 64 1845

.050

.035

.137

.048

.052 65 1900

.047

.035

.136

.048

.052 66 1915

.047

.036

.135

.048

.052 67 1930

.055

.036

.135

.049

.052 68 1945

.048

.037

.135

.049

.052 69 2000

.050

.037

.134

.049

.052 70 2015

.047

.037

.134

.049

.052 71 2030

.046

.037

.133

.049

.052 72 2045

.054

.038

.133

.049

.052 73 2100

.049

.038

.133

.049

.053 74 2115

.040

.038

.132

.049

.052 75 2130

.052

.038

.132

.049

.052 l

76 2145

.042

.038

.131

.049

.052 l

77 2200

.044

.038

.130

.048

.051 78 2215

.048

.038

.130

.048

.051 79 2230

.055

.039

.130

.049

.052 80 2245

.048

.039

.129

.049

.052 81 2300

.051

.039

.129

.049

.052 82 2315

.047

.040

.128

.049

.052 83 2330

.047

.040

.128

.049

.052 84 2345

.051

.040

.128

.049

.052 85 0

.038

.040

.127

.049

.051 86 15

.046

.040

.126

.049

.051 87 30

.054

.040

.126

.049

.051 88 45

.050

.040

.126

.049

.052 89 100

.042

.040

.125

.049

.051 90 115

.056

.041

.125

.049

.052 1

91 130

.053

.041

.125

.050

.052 l

i 92 145

.050

.041

.125

.050

.052 93 200

.045

.041

.124

.050

.052 l

94 215

.050

.042

.124

.050

.052

)

95 230

.044

.041

.124

.049

.052 l

96 245

.045

.041

.123

.049

.051 97 300

.049

.042

.055

.049

.051

)

l

l l

RANCHO SECO ILRT - 1987 PREDICTOR REPORT i

TIME AND DATE AT START OF TEST:

300 902 1987 NO.

END MASS POINT ANALYSIS PTS TIME CALCULATED UCL 81 2300

.04927

.05195 82 2315

.04922

.05183 83 2330

.04913

.05168 84 2345

.04933

.05183 85 0

.04868

.05119 86 15

.04858

.05104 87 30

.04900

.05143 88 45

.04916

.05154 89 100

.04879

.05115 90 115

.04936

.05173 91 130

.04965

.05198 92 145

.04979

.05208 93 200

.04959

.05184 94 215

.04969

.05190 95 230

.04942

.05159 96 245

.04925

.05138 97 300

.04932

.05140

.000127 SLOPE

=

.000062 STD. DEV.

=

PREDICTOR = +/-

5.18 % La i

i l

l RANCHO SECO ILRT - 1987

SUMMARY

DATA

.100 VOLUME =

1980000.

ALMAX

=

VRATET =

.142 VRATEM =.149 TIME DATE TEMP PRESSURE VPRS VOLUME AIRMASS 300 902 546.964 66.7808

.3743 1980000.0 652508.4 315 902 546.971 66.7822

.3730 1980000.0 652513.0 330 902 546.988 66.7784

.3777 1980000.0 652456.5 345 902 546.984 66.7811

.3750 1980000.0 652488.1 400 902 547.001 66.7835

.3726 1980000.0 652491.3 415 902 546.990 66.7817

.3745 1980000.0 652485.7 430 902 546.994 66.7798

.3764 1980000.0 652462.3 445 902 547.000 66.7810

.3751 1980000.0 652468.4 500 902 546.999 66.7802

.3760 1980000.0 652461.1 515 902 547.007 66.7789

.3773 1980000.0 652438.9 530 902 547.007 66.7836

.3725 1980000.0 652484.4 545 902 547.018 66.7823

.3739 1980000.0 652458.1 600 902 547.005 66.7840

.3721 1980000.0 652491.4 615 902 547.009 66.7856

.3695 1980000.0 652501.2 630 902 547.010 66.7847

.3705 1980000.0 652491.2 645 902 547.013 66.7872

.3689 1980000.0 652513.1 700 902 547.015 66.7799

.3752 1980000.0 652439.4 715 902 547.016 66.7855

.3707 1980000.0 652492.4 730 902 547.014 66.7838

.3723 1980000.0 652478.9 745 902 547.025 66.7836

.3715 1980000.0 652462.6 800 902 547.030 66.7809

.3753 1980000.0 652430.5 815 902 547.043 66.7855

.3706 1980000.0 652460.3 830 902 547.047 66.7060

.3711 1980000.0 652460.5 845 902 547.062 66.7824

.3758 1980000.0 652407.1 900 902 547.070 66.7892

.3690 1980000.0 652464.4 915 902 547.067 66.7887

.3705 1980000.0 652462.9 930 902 547.092 66.7907

.3695 1980000.0 652452.5 945 902 547.112 66.7889

.3733 1980000.0 652411.3 1000 902 547.113 66.7921

.3712 1980000.0 652440.5 1015 902 547.124 66.7959

.3694 1980000.0 652465.1 1030 902 547.138 66.7941

.3722 1980000.0 652430.8 1045 902 547.165 66.7989

.3694 1980000.0 652446.4 1100 902 547.187 66.7944

.3749 1980000.0 652375.5 1115 902 547.208 66.8038

.3686 1980000.0 652442.9 1130 902 547.242 66.8061

.3693 1980000.0 652423.6 1145 902 547.276 66.8080

.3704 1980000.0 652402.7 1200 902 547.304 66.8117

.3698 1980000.0 652404.6 1215 902 547.333 66.8137

.3729 1980000.0 652389.0 1230 902 547.385 66.8219

.3687 1980000.0 652408.5 1245 902 547.426 66.8253

.3694 1980000.0 652392.1 1300 902 547.456 66.8278

.3710 1980000.0 652380.3 1315 902 547.485 66.8338

.3691 1980000.0 652404.9 1330 902 547.533 66.8333

.3736 1980000.0 652343.2 1345 902 547.569 66.8415

.3695 1980000.0 652379.9 i

1400 902 547.606 66.8460

.3700 1980000.0 652380.1 1415 902 547.635 66.8497

.3704 1980000.0 652381.1 1430 902 547.673 66.8538

.3703 1980000.0 652376.7 1445 902 547.711 66.8570

.3702 1980000.0 652362.4 1500 902 547.748 66.8605

.3718 1980000.0 652352.0

RANCHO SECO ILRT - 1987

SUMMARY

DATA

.100 VOLUME =

1980000.

ALMAX

=

VRATET =

.142 VRATEM =.149 TIME DATE TEMP PRESSURE VPRS VOLUME AIRMASS 1515 902 547.775 66.8632

.3721 1980000.0 652346.1 1530 902 547.810 66.8672

.3722 1980000.0 652343.8 1545 902 547.839 66.8711

.3713 1980000.0 652346.6 1600 902 547.879 66.8698

.3746 1980000.0 652286.8 1615 902 547.891 66.8741

.3724 1980000.0 652314.4 1630 902 547.900 66.8798

.3687 1980000.0 652359.1 1645 902 547.920 66.8758

.3747 1980000.0 652297.1 1700 902 547.936 66.8795

.3731 1980000.0 652314.0 1715 902 547.962 66.8842

.3714 1980000.0 652328.3 1730 902 547.983 66.8854

.3722 1980000.0 652315.6 1745 902 547.998 65.8884

.3713 1980000.0 652327.1 1800 902 548.018 66.8913

.3704 1980000.0 652330.3 1815 902 548.031 66.8908

.3729 1980000.0 652311.6 1830 902 548.047 66.8928

.3720 1980000.0 652310.5 1845 902 548.063 66.8932

.3736 1980000.0 652296.1 1900 902 548.070 66.8949

.3729 1980000.0 652303.4 1915 902 548.077 66.8953

.3725 1980000.0 652300.5 1930 902 548.080 66.8919

.3769 1980000.0 652263.7 1945 902 548.078 66.8942

.3746 1980000.0 652288.3 2000 902 548.089 66.8946

.3742 1980000.0 652279.4 2015 902 548.084 66.8950

.3728 1980000.0 652288.4 2030 902 548.085 66.8950

.3728 1980000.0 652287.4 2045 902 548.083 66.8909

.3769 1980000.0 652249.1 2100 902 548.083 66.8926

.3741 1980000.0 652267.1 2115 902 548.077 66.8963

.3705 1980000.0 652309.4 2130 902 548.086 66.8912

.3756 1980000.0 652248.4 2145 902 548.080 66.8952

.3716 1980000.0 652295.3 2200 902 548.085 66.8945

.3733 1980000.0 652283.3 2215 902 548.091 66.8925

.3753 1980000.0 652255.6 2230 902 548.090 66.8885

.3793 1980000.0 652218.3 2245 902 548.102 66.8933

.3745 1980000.0 652250.9 2300 902 548.096 66.8908

.3770 1980000.0 652233.4 2315 902 548.097 66.8926

.3752 1980000.0 652249.1 2330 902 548.107 66.8937

.3741 1980000.0 652248.4 2345 902 548.108 66.8912

.3776 1980000.0 652222.9 0

903 548.111 66.8983

.3705 1980000.0 652288.9 15 903 548.119 66.8945

.3743 1980000.0 652242.3 30 903 548.122 66.8900

.3788 1980000.0 652194.7 45 903 548.126 66.8922

.3776 1980000.0 652211.6 100 903 548.132 66.8974

.3724 1980000.0 652255.8 115 903 548.159 66.8917

.3782 1980000.0 652167.1 130 903 548.157 66.8935

.3773 1980000.0 652187.1 145 903 548.168 66.8957

.3751 1980000.0 652196.2 j

200 903 548.172 66.8993

.3716 1980000.0 652225.5

)

215 903 548.180 66.8970

.3749 1980000.0 652193.4 1

230 903 548.179 66.9004

.3715 1980000.0 652228.0

)

245 903 548.178 66.8989

.3729 1980000.0 652215.3 300 903 548.187 66.8973

.3746 1980000.0 652187.9

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APPENDIX D Verification Flow Test

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_________m

RANCHO SECO ILRT - 1987 LEAKAGE RATE (HEIGHT PERCENT / DAY).

I TOTAL TIME ANALYSIS TIME'AND DATE AT START OF TEST:

730 903 1987 TEST DURATION:

6.50 HOURS TIME TEMP PRESSURE MEASURED (R)

(PSIA)

LEAKAGE RATE 730-548.149 66.8810 745 548.143 66.8788

.207 800 548.143 66.8802

.003 815 548.131 66.8759

.139 830 548.133 66.8748

.152 845 548.141 66.8743

.164 900 548.132 66.8697

.221 915 548.136 66.0771

.047 930 548.150 66.8757

.097 945 548.146 66.8754

.084 1000 548.165 66.8731

.141 1015 548.174 66.8731

.143 1030 548.185 66.8775

.094 1045 548.203 66.8733

.158 1100 548.222 66.8789

.113 1115 548.242 66.8792

.125 1130 548.253 66.8747

.170 1145 548.268 66.8825

.109 1200 548.291 66.8813

.136 1215 548.320 66.8834

.140 1230 548.344 66.8842

.148 1245 548.379 66.8917

.119 1300 548.417 66.8890

.161 1315 548.453 66.8984

.123 1330 548.486-66.8998

.133 1345 548.514 66.9052

.116 1400 548.548 66.9056

.132

.130 MEAN OF THE MEASURED LEAKAGE RATES

=

VERIFICATION TEST LEAKAGE RATE UPPER LIMIT =

.167 VERIFICATION TEST LEAKAGE RATE LOWER LIMIT =

.117

=

.133 l

THE CALCULATED LEAKAGE RATE l

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MASS POINT ANALYSIS TIME AND DATE AT START OF TEST:

730 903 1987 TEST DURATION:

6.50 HOURS TIME TEMP PRESSURE CTMT. AIR MASS LOSS AVERAGE MASS (R)

(PSIA)

MASS (LBM)

(LBM)

LOSS (LBM/HR) 730 548.149 66.8810 652074.7 745 548.143 66.8788 652060.6 14.1 56.3 800 548.143 66.8802 652074.2

-13.6 1.0 815 548.131 66.8759 652046.3 27.9 37.8 830 548.133 66.8748 652033.3 13.0 41.4 845 548.141 66.8743 652018.9 14.4 44.6 900 548.132 66.8697 651984.5 34.4 60.1 915 548.136 66.8771 652052.3

-67.9 12.8 930 548.150 66.8757 652021.8 30.6 26.5 -

945 548.146 66.8754 652023.3

-1.5 22.9 1000 548.165 66.8731 651978.6 44.7 38.4 1015 548.174 66.8731 651967.6 11.0 39.0 1030 548.185 66.8775 651997.9

-30.4 25.6 1045 548.203 66.8733 651935.3 62.6 42.9 1100 548.222 66.8789 651966.9

-31.6 30.8 1115 548.242 66.8792 651947.2 19.7 34.0 1130 548.253 66.8747 651890.3 56.9 46.1 1145 548.268 66.8825 651948.6

-58.4 29.7 1200 548.291 66.8813 651908.1 40.5 37.0 1215 548.320 66.8834 651893.9 14.2 38.1 1230 548.344 66.8842 651874.0 19.9 40.1 1245 548.379 66.8917 651905.3

-31.3 32.3 1300 548.417 66.8890 651834.4 70.9 43.7 1315 548.453 66.8984 651882.0

-47.6 33.5 1330 548.486 66.8998 651858.1 24.0 36.1 1345 548.514 66.9052 651877.1

-19.0 31.6 1400 548.548 66.9056 651841.0 36.1 36.0 FREE AIR VOLUME USED (CU. FT.)

=1980000,0 REGRESSION LINE INTERCEPT (LBM)

= 652077.4

-36.4 S LOPE (LBM/HR)

=

VERIFICATION TEST LEAKAGE RATE UPPER LIMIT =

.174 VERIFICATION TEST LEAKAGE RATE LOWER LIMIT =

.124

.134 THE CALCULATED LEAKAGE RATE

=

RANCHO SECO ILRT - 1987

SUMMARY

DATA

.100 VOLUME =

1980000.

ALMAX

=

VRATET =

.142 VRATEM =.149 TIME DATE TEMP PRESSURE VPRS VOLUME AIRMASS 315 903 548.191 66.8925

.3794 1980000.0 652136.9 330 903 548.182 66.8948

.3770 1980000.0 652169.9 345 903 548.184 66.8961

.3747 1980000.0 652180.7 l

400 903 548.184 66.8978

.3730 1980000.0 652197.4 415 903 548.184 66.8925

.3783 1980000.0 652145.9 430 903 548.193 66.8957

.3741. 1980000.0 652166.2 445 903 548.203 66.8924

.3774 1980000.0 652122.2 500 903 548.207 66.8955

.3733 1980000.0 652147.8 515 903 548.207 66.8926

.3762 1980000.0 652118.7 530 903 548.204 66.8932

.3746 1980000.0 652127.4 545 903 548.201 66.8976

.3692 1980000.0 652175.4 600 903 548.197 66.8889

.3759 1980000.0 652094.3 615 903 548.184 66.8899

.3738 1980000.0 652120.3 630 903 548.183 66.8860

.3757 1980000.0 652083.0 645 903 548.172 66.8890

.3717 1980000.0 652124.6 700 903 548.165 66.8790

.3787 1980000.0 652036.0 715 903 548.162 66.8807

.3759 1980000.0 652056.8 730 903 548.149 66.8810

.3736 1980000.0 652074.7 745 903 548.143 66.8788

.3737 1980000.0 652060.6 800 903 548.143 66.8802

.3703 1980000.0 652074.2 815 903 548,131 66.8759

.3737 1980000.0 652046.3 830 903 548.133 66.8748

.3737 1980000.0 652033.3 845 903 548.141 66.8743

.3742 1980000.0 652018.9 900 903 548.132 66.8697

.3778 1980000.0 651984.5 915 903 548.136

.66.8771

.3704 1980000.0 652052.3 930 903 548.150 66.8757

.3718 1980000.0 652021.8 945 903 548.146 66.8754

.3721 1980000.0 652023.3 1000 903 548.165 66.8731

.3754 1980000.0 651978.6 1015 903 548.174 66.8731

.3754 1980000.0 651967.6 1030 903 548.185 66.8775

.3710 1980000.0 651997.9 1045 903 548.203 66.8733

.3762 1980000.0 651935.3 1100 903 548.222 66.8789

.3717 1980000.0 651966.9 1115 903 548.242 66.8792

.3713 1980000.0 651947.2

(

1130 903 548.253 66.8747

.3778 1980000.0 651890.3 1145 903 548.268 66.8825

.3711 1980000.0 651948.6 l

1200 903 548.291 66.8813

.3743 1980000.0 651908.1 1215 903 548.320 66.8834

.3743 1980000.0 651893.9 i

f 1230 903 548.344 66.8842

.3764 1980000.0 651874.0 1245 903 548.379 66.8917

.3720 1980000.0 651905.3 j

1300 903 548.417 66.8890

.3778 1980000.0 651834.4 j

1315 903 548.453 66.8984

.3725 1980000.0 651882.0 1330 903 548.486 66.8998

.3751 1980000.0 651858.1 1345 903 548.514 66.9052

.3728 1980000.0 651877.1 l

1400 903 548.548 66.9056

.3754 1980000.0 651841.0 4

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A1

,T R

O TS RN

,1E

,:,2T LE l

IS EA l D

/

OE

,,5E CR

,1M EU ST

,6I L

A T

OR 0

0 0

0 0

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0 0

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CP 0

0 0

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A NM AE 0

8 6

4 2

0 T

RT 9

8 8

8 8

8 S

,3E

,0T

,9

~

,0E

,0M

~

,4I F

,1T 7

M.

8S

,SN 9E

,,RE 1E

,U R

,O TG s

g

,H SE UD

,E G

,M U1

,,I A1

,T R

O

^

TS

,,1 RN

,3T LE E

l IS l

OE

,,5 CR

,1 EU

,,6 ST A

."b OR 0

0 0

0 0

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0

.....A NM AE 0

8 6

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8 8

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3E

~

~

0T

. 9A

. 0E 0M

. 4 F

1T 7

8S 9E S

. E 1E U

R

. O TG SE H

UD E

G

. M U2

. I A1

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O TS RN 1

. 3 LE IS B

l

/

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. 5 CR 1

EU ST

'v 6

~A

~

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0 0

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8 6

4 2

0 RT 9

8 8

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8 l'

/.

.2E

.0T

. 9A D

0E 0M 4I F

1T 7

8S D

9E

.SN 1E

.EE R

.U

.O TG

. i SE gd UD g.E G

U3

.M

.I A1

.T R

O TS RN 1E

.l2T LE IS 8A D

OE CR 5E

. 1M EU ST 6I A

T OR 0

0 0

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CP 0

0 0

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A NM AE 0

8 6

4 2

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RT 9

8 8

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l

,o N

,,0T

,9A D

,,0E

,0M

,4I F

,1T 7

8S D

9E

,SN 1E

,RE R

,U TG

,O SE

,H UD G

,E U4

,M

,I A1

,T R

O TS RN

,1E

,,3T LE IS

.:A

, : D OE CR

,5E EU

,1M D

,6I ST T

A OR 0

0 0

0 0

0 HE 0

0 0

0 0

0 T

CP 0

0 0

0 0

0 R

A NM AE 0

8 6

4 2

0 T

RT 9

8 8

8 8

8 S

l i

5E

~

b'

~

~

NA

~

'l

~

N'

~

r F

7

/

8S p

9E 1ER TG SE UD G

U5 A1 R

O TS RN LE IS OE

.'./.".T CR EH ST A

OR 0

0 0

0 0

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0 0

0 0

0 CP 0

0 0

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0 NM AE 0

8 6

4 2

0 RT 9

8 8

8 8

8

/

,:E s

,2

,0T

,9 D

,0

,0M

,4I

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7 8S 9E

,SN 1E

,EE

,U R

TG

,O SE

,H UD

,E G

U6

,M

,I A1

,T R

O TS RN

,1E

,l LE

,2 EA l

IS l

OE

, 5E CR 1M EU ST 6I A

OR 0

0 0

0 0

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0 0

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8 6

4 2

0 RT 9

8 8

8 8

8 l

/.

,:E

,2

,0T

,,9A

,0E

,0M

,4I

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7 8S 9E s_

,,SN 1E

,EE R

,U TG

,O SE

,H UD

,E G

U7

,M

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O TS f,

RN

,,2 LE IS

,0 OE

,,5 CR

,1M EU ST

,6I A

b OR 0

0 0

0 0

0 HE 0

0 0

0 0

0 CP 0-0 0

0 0

0 NM AE 2

0 8

6 4

2 RT 9

9 8

8 8

8

,:E

,2

,0 T v.

,9 A a

D a

y

,0E

,,0M

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/

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8S

,SN 9E 1E

,RE R

,U TG

,O SE

,H UD

,E G

U8

,M A1

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,,1E RN

,2T LE OE IS

,8AD CR

,5E EU

,1M ST

,6I T

A D

OR 0

0 0

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AE 0

8 6

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/.

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,,9

, 0E 0M

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. 1 7

8 9

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.H UA

.E GI US

.M

\\

.I AP

..T 1

T RR 1E LO 3T IS 8A N

OE CS 5E E

1M SE

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0 0

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0 0

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0 CS 5

4 3

2 1

0 NE AR 7

7 7

7 7

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6 6

6 6

6

/ -

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.. 4 1T 7

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AP

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0

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w

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4 0

6 2

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r

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ED

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g AE g

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\\

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,,0 F

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g/

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5 NH AE 5

2 0

7 5

2 RD 7

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6 6

6

d l

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,,0T F

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,9A t

G

/

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p 9

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{

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,H N

UE

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AE

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,5 E

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b

~

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5 0

5 B

5 NH AE 5

2 0

7 5

2 RD 7

7 7

6 6

6

w

,b F

h GE D

w 75 8

9 1R O

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(

GS U

AE R

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LE IPM OE

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gI ST N

~

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0

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0 0

0 0

CP 0

5 5

0 5

NW AE 5

2 7

5 2

RD 7

7 6

6 6

, i

,3E

,,0T

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D i

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i

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76

\\

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k D

9 I

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1R

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U O

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H SN I

UE E

GS gl M

U AE

/

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, T R

p T

/

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,3 T

/

A IP i

l D M

y

,,, 5 E OE CT 1M E

{.

, 6I ST N

T

~

OI 0

0 0

0 0

0 HO 0

0 0

0 0

0 T

CP 0

5 0

5 0

5 R

A NW AE 5

2 0

7 5

2 T

RD 7

7 7

6 6

6 S

APPENDIX F Instrument Selection Guide

/

l s

____m__

)

ISG CALCULATION

( ANSI /ANS 56.8 - 1981 )

============================================================

CALIBRATION DATA

1. OF SENSORS SENSITIVITY (E)

REPEATABILITY (r)

TEMPERATURE (T) 18 0.0100 deg. F 0.0030 deg. F PRESSURE (P) 1 0.0010 psia 0.0010 psia VAPOR PRESS (PV) 6 0.1000 deg. F 0.0030 deg. F Length of Test (t) 24.0 hrs Test Pressure (P) 52.3 psig

==>

67.0 psia From Steam Table 0.0128 psi /deg. F (70-72 F dewpoint, 90 F drybulb)

La 0.1000 wt%/ day INSTRUMENT MEASUREMENT ERRORS 2

2 1/2 1/2 eT = [(ET)

+ (rT)

]

/[# of sensors]

eT =

0.0025 deg. F 2

2 1/2 1/2 eP = [(EP)

+ (rP)

]

/[# of sensors) eP =

0.0014 psia 2

2 1/2 1/2

[(EPv)

+ (rPv)

]

/[# of sensors]

ePV

=

ePV =

0.0005 psia l

INSTRUMENT SELECTION GUIDE 2

2 2

1/2 ISG = 2400/t[ 2 (eP/P)

+ 2 (ePv/P)

+ 2(eT/T)

]

ISG =

0.0032 wt%/ day 25% of La 0.0250 wt%/ day I

1 J

m----

APPENDIX G TYPE

'B'

'C' Leakage Rate Test Results v

l h

.SU-043 13 -

The following is a summary of the Rancho Seco LLRT data accumulated from December 27, 1985 to November 2, 1987.

"As Found" data indicates the minimum pathway leak rate measured prior to maintenance.

The "As Left" data indicates the ILRT condition of the penetrations minimum pathway leak rate.

A penalty column was added to recreate the "As Found" containment integrity condition.

Those penetration tests which resulted in degraded leak rates are indicated in brackets; however, these are conservatively not subtracted from the penalty column.

Those penetrations which were tested using a water medium are listed in the water test LLRT table.

These results are presented for information purposes and do not affect the ILRT results.

Post ILRT local leak rate testing is continuing to maintain surveillance j

standards current and as required for post-maintenance testing.

The LLRT (as left) subtotal now stands at 11602 secm.

SU-043

- 14

IJRF TABLE TYPE 8B8 fr 8C8 As Found As Ideft Penalty PENETRATION DESCRIPTION (som)

(som)

(som) 3 Ocsiponent Cooling Water Inlet 520 520 0

4 Castponent cooling Water Outlet 60 60 0

15 Let'Down to Purification Demineralization 3

0 3

16,56,58,68 / RCP Seal Water Supply 4

4 0

17 CRD Cooling Water Return 25 113

[88) 18 RCP Seal Water Return 0

0 0

19 RB Nitrogen Supply Header 412 4

408 24 Pressurizer Relief Tank Gas Sanple 0

0 0

32 Reactor coolant System Vent Header 2

5

[3]

33.

CRD Oooling Water Supply 10 3

7 34 Reactor Building Purge Inlet 0

4

[4]

35 Reactor Building Purge Outlet 0

23

[23)

Demineralized Water to RB 5

5 0

42 43 Service Air to RB 24 24 0

44 Core Flood Tank A Nitrogen Sq ply 8

8 0

45 Core Flood Tank B Nitrogen Supply 5

5 0

46 Pressurizer Relief Tank N Supply 8

5 3

2 47 Core Flood tank Drain and Sanple 12 12 0

50 Fuel Transfer Tube 2

39

[37) 51 Fuel Transfer Tube 0

51

[51]

52 RB Atmosphere Sangle 27 5

22 53 RB Atmosphere Sample 66 9

57 55 Pressurizer Sanple Line 168 1

167 57 Auxiliary Steam to RB 2

2 0

60 Hy& wgen pan =hher 6

6 0

l 62 RB Hydrogen Sanple 123 65 58 65 RB Pressure Equalizing Line 34 79

[45) 73 BC Drain Tank Header 2414 385 2029 Personnel Hatch 1091 1810

[719)

Emergency Hatch 1580 40 1540 Equipment Hatch 6

2 4

Elec. Pen Mezzanine East 0

0 0

Elec. Pen Mezzanine West 1

2 (1)

Elec. Pen Mezzanine Out 0

0 0

Elec. Pen Grade 4

0 4

Total Penalty (SON) 6622 3291 4302

LLRT TABIE WATER TEST As Found As Inft PENETRATION DESCRIPTION (OCM)

(C G )

14 RB Nonnal Sump Drain 0

6 20 High Pressure Injection 0

23 21 High Pressure Injection 22 0

22 High Pressure Injection 88 9

23 High Pressure Injection 332 1

25 RB Spray Inlet 0

0 26 RB Spray Inlet 266 0

27 Decay Heat Removal Inlet 0

0 28 Decay Heat Removal Inlet 8

1 30 RB Emergancy Step Recirculation 2

0 31 RB Emergancy Sung Recirculation 0

0 Total Water Test Imakage 718 40 f

l SU-043,

--