ML18152A034

Reactor Containment Bldg Integrated Leak Rate Test,Surry Power Station,Unit 1. W/920724 Ltr

ML18152A034
Person / Time
Site:	Surry
Issue date:	04/30/1992
From:	Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
92-447, NUDOCS 9207300005
Download: ML18152A034 (65)

Text

e VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 July 24, 1992 United States Nuclear Regulatory Commission Serial No.92-447 Attention: Document Control Desk NO/ETS Washington, D. C. 20555 Docket No. 50-280 License No. DPR-32 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY SURRY POWER STATION UNIT 1 REACTOR CONTAINMENT BUILDING INTEGRATED LEAK RATE TEST In accordance with the requirements of 10 CFR 50 Appendix J, Section V, Subparagraphs B.1 and 3, we are providing a summary technical report of the April 1992 Unit 1 Integrated Leak Rate Test. The report includes an analysis and interpretation of the integrated leak rate test data, as well as a summary analysis of the Type B and C test results.

If you have any question please contact us.

Very truly yours,

() P. (Wa...,Jl_

\er W. L. Stewart Senior Vice President - Nuclear Attachment Unit 1 Integrated Leak Rate Test Report cc: U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, N. W.

Suite 2900 Atlanta, Georgia 30323 Mr. M. W. Branch NRC Senior Resident Inspector Surry Power Station

• 0

., 0 - * *-

- .~ * ' * ,, 0 - t ~

Reactf!Jr Containment O

a * *

-. _*Building .

Integrated Leakage Rate :,T~st . 0 Tj,pes A, -B, And c*

Periodic Test , ~ 'a ... "

'* (1

- * * ,':J

• Surry P_ower Statton*

Unit No. 1

~prlt1?92

,l'J_, ,,

• -* VIRGINIA POWER D '

0 Q 0

-NOTICE-.

THE ATIACHED FILES ARE OFFICIAL RE-CORDS OF THE RECORDS & REPORTS MANAGEMENT BRANCH. THEY HAVE BEEN CHARGED TO _YOU FOR A LIMITED TIME PERIOD AND MUST BE RETURNED TO THE RECORDS & ARCHIVES. SERVICES SECTION .

P1-122 WHITE FLINT. PLEASE DO NOT SEND DOCUMENTS CHARGED our THROUGH THE MAIL. REMOVAL OF ANY PAGE(S) FROM DOCUMENT FOR REPRO-DUCTION MUST BE REFERRED TO FILE PERSONNEL.

~NOTICE-

REACTOR CONTAINMENT BUILDING INTEGRATED LEAK RATE TEST VIRGINIA POWER SURRY POWER STATION

,. UNIT ONE APRIL 1992 PREPARED BY:~~=-==+--=~=====---- DATE: o-/t,zj;L REVIEWED BY: ----:allF-1--i==-~-- DATE: J/2.)9;..

, I APPROVED BY: ---+-"fl'~--- DATE: 1--q A't-

• SECTION TABLE OF CONTENTS DESCRIPTION Table of Contents ii List of Attachments iii List of Figures iv

1. 0 References 1.1 2.0 Purpose 2.1 3.0 Unit Description 3.1 4.0 Summary Containment Integrated Leakage Rate Test (CILRT) 4.1 Superimposed Verification Test 4.3 Local Leakage Rate Tests (LLRT) 4.3 Conclusion 4.3 5.0 Edited Version of Logs 5.1 6.0 Test Description Equipment Used 6.1 CILRT Program-P250 Computer 6.3 CILRT Program-PC Computer 6.4 7.0 Test Results Analysis CILRT 7.1 Superimposed Verification Test 7.1 8.0 Local Leak Rate Tests (Type B & C) 8.1 9.0 As-Found CILRT Analysis 9.1

• ii

• NUMBER LIST OF ATTACHMENTS DESCRIPTION 6.1 Instrumentation 7.1 Input Data For 24 Hour Test 7.2 Mass Point Test Results For 24 Hour Test 7.3 Input Data For Verification Test 7.4 Mass Point Test Results For Verification Test 7.5 CILRT Test Results 8.1 Type B and C Leakage History 9.1 1992 "As-Found" CILRT Leakage Summary

• iii

• NUMBER LIST OF FIGURES DESCRIPTION 7.1 Containment Mass Versus Time 7.2 UCL Leakage Versus Time 7.3 Verification Test Leak Rate Versus Time

• iv

1.0 REFERENCES

1.1 10CFR50 Appendix J Primary Reactor Containment Leakage Testing for Water Cooled Power Reactors.

1.2 ANSI/ANS 45.4 American National Standard Leakage Rate Testing of Containment Structures for Nuclear Reactors, March 16, 1972.

1.3 Surry Power station Units 1 & 2 Technical Specification, Section 4.4.

1.4 ANSI/ANS 56.8 American National Standard Containment System Leakage Testing Requirements, February 19, 1987.

1.5 1-NPT-CT-101 Reactor Containment Building Integrated Leak Rate Test (Type A Containment Testing) *

1. 6 1-0PT-CT-102 Operations Preparation for ILRT.

1. 7 O-NPT-CT-103 Calibration Check For RTD's and Moisture Analyzers.

1. 8 1-NPT-CT-104 As Found Type A Test Analysis

1. 9 O-NPT-CT-107 Data Collection During Type A Test 1.10 1-NPT-CT-115 Superimposed CILRT Verification Test 1.11 O-MCM-1911-01 Containment Integrated Leak Rate Test Air System Installation and Removal.

1.12 1-GMP-E-140 Unit 1 Type A Test Instrumentation Installation And Removal.

1.13 1-0SP-CT-001 Instructions To Find Leakage During ILRT

• 1.1

• 2.0 PURPOSE:

The purpose of this report is to document Containment Integrated Leakage Rate Testing (CILRT) at Virginia Power Surry Power Station, Unit One, conducted during April 1992.It also provides a summary of the Local Leakage Rate Tests (LLRT's) performed on Unit One containment penetrations since the last Unit One CILRT which was performed in June 1988.

This report is submitted as required by 10CFR50, Appendix J, Section V.B. to demonstrate that the primary reactor containment has met the containment leakage test requirements set forth in 10CFR50, Appendix J, Section III.A.5. (b). (2) .

• 2.1

• • 3.0 UNIT DESCRIPTION:

Surry Unit MWth. Two 2, Docket one is a Pressurized Water Reactor rated at 2441 similar units (Unit 1, Docket No. 50-280 and Unit No. 50-281) are owned by Virginia Power and are located in Surry County, Virginia.

The containment structure is a steel-lined, reinforced concrete cylinder with a hemispherical dome and a reinforced concrete foundation mat. Containment volume is 1.8 x 10 6 ft 3

• Containment design pressure is 45 psig which is sufficient to withstand the internal pressure from a design-basis accident (OBA). It has been calculated that the peak accident pressure and temperature from a DBA are 44.98 psig and 285°F respectively .

• 3.1

• 4.0

SUMMARY

4.1 CONTAINMENT INTEGRATED LEAKAGE RATE TEST (CILRT}:

The Unit One 1992 CILRT was successfully completed on April 23, 1992. The final upper confidence limit (UCL) leakage, including the required penalties, was . 038685 wt

%/day. The test results demonstrated that the integrity of the containment structure satisfied the criteria set forth in 10CFR50, Appendix J, Paragraph III.A.5. (b) .(2).

A one point in-situ calibration check performed on the Containment Resistance Temperature Detector's (RTD) installed in containment revealed that one RTD (#23) was defective. The RTD computer point was removed from the CILRT computer program. The CILRT computer program reassigned the weighting factor for the rejected RTD to the other RTD's in that particular zone. As required by Attachment 2 of Ol-NPT-CT-101, Reactor Containment Building Integrated Leak Rate Test, a Instrumentation Selection Guide ( ISG) recalculation was performed to determine the minimum test duration. The minimum CILRT duration, minus the one rejected sensor, was 6.7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br />.

During the visual inspection of the containment structure interior and exterior in accordance with Ol-NPT-CT-101, the following were identified:

1) HVAC duct supports in the Low Head Safety Injection and outside Recirc Spray Pump Cubicles were found to encroach into the required 2-inch containment shake space, and

2) The containment liner was corroded and pitted just above the basement floor (between column 8 and 10).

Engineering reviewed these findings to ensure that these discrepancies did not represent concerns to containment integrity. The HVAC duct supports pose no concern to the integrity of containment because of their low relative mass and rigidity. Corrective action will be to modify, at a later date, the subject duct supports to remove the potential interferences from the shake space.

An inspection of the corroded area was performed and it was determined that the liner was fully operable. The cause of the discrepancy is progressive corrosion over a long period. Corrective action for the liner degradation will be. to perform weld repair on the effected area prior to the next scheduled CILRT .

• 4.1

• 4.0

SUMMARY

(CONTINUED):

On April 20, 1992 a final containment walkdown was performed at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />. Containment pressurization commenced at 1610 hours0.0186 days <br />0.447 hours <br />0.00266 weeks <br />6.12605e-4 months <br /> on April 20, 1992 and continued until 0316 hours0.00366 days <br />0.0878 hours <br />5.224868e-4 weeks <br />1.20238e-4 months <br /> on April 21, 1992 with a peak containment pressure of 61.294 psia. At 1749 hours0.0202 days <br />0.486 hours <br />0.00289 weeks <br />6.654945e-4 months <br /> on April 20, 1992 the last containment recirculation fan was secured, and a remote fire watch for containment was established in accordance with Attachment 2 of O-NPT-CT-107.

The containment temperature stabilization criteria in Attachment 7 of Ol-NPT-CT-101 was met at 0722 hours0.00836 days <br />0.201 hours <br />0.00119 weeks <br />2.74721e-4 months <br /> on April 21, 1992. The CILRT started at 1552 hours0.018 days <br />0.431 hours <br />0.00257 weeks <br />5.90536e-4 months <br /> on April 21, 1992. During the course of the pressurization period, stabilization period, and throughout the CILRT, extensive leak checks were performed by inspecting potential leakage paths such as the mechanical penetration area in the Auxiliary Building, the electrical penetration area, the personnel and equipment air locks, Safeguards, Safeguards Valve Pit, Fuel Building area and Containment Purge MOV's located outside containment. No significant leakage paths were discovered .

The CILRT leakage test was successfully completed at 1607 hours0.0186 days <br />0.446 hours <br />0.00266 weeks <br />6.114635e-4 months <br /> on April 22, 1992 with a UCL leakage of .038599 wt

%/day. With the Type C test penalties added to the test result, the final leakage was 0.038685 wt %/day.

In accordance with O-NPT-CT-107, Data Collection During Type A Test, the levels of tanks and vessels associated with systems in containment were monitored hourly during the entire CILRT. Overall change in containment net free volume was negligible and was not factored into the final CILRT results.

• 4.2

• 4.2 SUPERIMPOSED VERIFICATION TEST:

The superimposed verification test was started at 1621 hours0.0188 days <br />0.45 hours <br />0.00268 weeks <br />6.167905e-4 months <br /> on April 22, 1992 with an induced leakage of approximately 5.00 SCFM on the flow meter.

stabilization period for the superimposed verification The test ended at 1751 hours0.0203 days <br />0.486 hours <br />0.0029 weeks <br />6.662555e-4 months <br /> on April 22, 1992. At that time, leakage calculations were started. The superimposed verification test was successfully completed at 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br /> on April 22,1992. The final superimposed leakage rate value was .113251 wt  %/day and satisfactorily met the acceptance criteria of Ol-NPT-CT-115, Superimposed CILRT Verification Test.

Depressurization of containment commenced at 0049 hours5.671296e-4 days <br />0.0136 hours <br />8.101852e-5 weeks <br />1.86445e-5 months <br /> on April 23, 1992 and was completed at 1022 hours0.0118 days <br />0.284 hours <br />0.00169 weeks <br />3.88871e-4 months <br /> on April 23, 1992. The post CILRT containment inspection was completed at 1234 hours0.0143 days <br />0.343 hours <br />0.00204 weeks <br />4.69537e-4 months <br /> on April 23, 1992.

4.3 LOCAL LEAKAGE RATE TESTS (LLRT):

Local leakage rate testing of containment penetrations was conducted as required by 10CFR50, Appendix J and Technical Specifications using approved station procedures. In accordance with 1 OCFR5 o, Appendix J,Section V.B.3, Attachment 8.1 summarizes all the local leak rate tests that have been conducted since the performance of the last Unit One CILRT (June 1988).

4.4 CONCLUSION

Since ~11 applicable acceptance criteria were met, the normal CILRT schedule as specified in 10CFR50, Appendix J, paragraph III.D.l(a) should continue. The next CILRT will be performed during the 1995 Refueling outage .

• 4.3

• 5.0 EDITED VERSION OF LOGS:

This summary is an edited version of events which occurred during the CILRT and is compiled from the official CILRT log (Attachment 6 of Ol-NPT-CT-101).

APRIL 20, 1992 1400 Performed final containment inspection walkdown.

1610 Commenced pressurization of Unit one containment.

1704 Secured "B" containment air recirculation fan prior to exceeding 162 amps.

1720 Secured "A" containment air recirculation fan prior to exceeding 162 amps.

1749 Secured "C" containment air recirculation fan prior to exceeding 162 amps. Notified Shift Supervisor and established remote fire watch (Attachment 2 of O-NPT-CT-107).

APRIL 21, 1992

• 0300 0316 Walkdown of exterior containment penetration area completed - no problems noted.

Secured pressurization. Containment pressure at 61.294 psia. Commenced stabilization period.

0722 Temperature stabilization criteria satisfied.

1140 Walkdown of electrical penetration area noted penetration lB and 4E pressure increasing.

NOTE: Final pressures were: 1B,36psig; 4E,37psig 1230 Walkdown of mechanical penetration area noted minor leakage at leakage monitor connections for penetration 42 and 53. Operations to perform Ol-OSP-CT-001 and quantify leakage.

NOTE: Leakage was from sources downstream of boundry valves.

1552 Completed containment stabilization period. Change in containment average air temperature over the last two hours was - 0. 03 °R. Declared start of CILRT .

• 5.1

• 5.0 EDITED VERSION OF LOGS (CONTINUED):

April 21, 1992 2000 Completed a walkdown of Control Room to verify valve position indications and review logs.

2200 Leakage walkdowns continuing. No new items noted.

2330 Data collection continues. Calculated containment leakage is approximately - 16.9 lbm/hr.

APRIL 22, 1992 1246 Operations,Engineering and Health Physics personnel are setting up verification rig.

1607 Completed CILRT with a UCL leakage of .038599 wt

%/day.

1621 Commenced superimposed verification test.

1751 Completed stabilization period for superimposed verification test and declared start of the superimposed verification test.

2200 Completed superimposed verification test. Results were satisfactory.

2300 Notified Health Physics Department to take air sample for release sheet prior to containment depressurization.

APRIL 23, 1992 0049 Commenced containment depressurization following satisfactory HP air sample. Containment pressure at 60.981 psia.

1022 Containment depressurization completed.

Depressurization rate was approximately 5.0 psia/hr.

1234 Completed post CILRT containment inspection walkdown .

• 5.2

• 6.0 TEST DESCRIPTION:

6.1 EQUIPMENT USED The containment was pressurized utilizing a temporary air pressurization rig which tied into the containment purge ventilation duct. The rig consisted of 8 diesel driven oil-free air compressors, 1 aftercooler and 1 air dryer.

The rig was capable of supplying up to 10,000 SCFM of air to containment during the pressurization phase. Cooling water for the aftercooler and air dryer was supplied by the station's chilled component cooling system. The pressurization rig was satisfactorily checked out prior to pressurization in accordance with Attachment 4.0 of Ol-NPT-CT-101.

containment temperature was monitored throughout the Type A Test by the use of 24 permanently mounted Resistance Temperature Detectors (RTD's) whose output is fed to the P250 computers. The normal span of these RTD' s was changed for the test by utilizing a temporary resistance bridge that was installed on the P250 computer. The span was narrowed to 60-120 degrees Fahrenheit to allow for greater sensitivity in recording containment temperature *

• Station computer input calibration procedure, 1-CAL-752, was performed on each RTD input signal to each units P250 computer. A decade box was temporarily installed on the P250 computer which simulated the resistance reading for each RTD inside containment. The computer was then checked to ensure that the proper output for each RTD was obtained when the resistance was varied. A three point calibration at 60 degrees, 90 degrees, and 120 degrees Fahrenheit was performed within 6 months on the RTD's to ensure their accuracy. A one point local verification check of the RTD's using a standard traceable to NIST was performed prior to the CILRT using station procedure O-NPT-CT-103, "Calibration Check For RTD' s and Moisture Analyzers" .

• 6.1

• 6.1 EQUIPMENT USED (CONTINUED)

Containment dewpoint temperature was monitored by five (5) Ondyne moisture analyzer probes located throughout containment. Readout devices with a tie-in to the P250 computers were located in the electrical penetration area.

The moisture analyzers were calibrated within six months of the CILRT by the vendor and their accuracy was certified as being traceable to NIST. An additional one point check was performed for each analyzer using station procedure O-NPT-CT-103.

Containment pressure was monitored by the use of two (2)

Mens or Quartz manometers. These manometers use the Containment Leakage Monitoring (LM) system through leakage monitoring connections on the 13' level of the Auxiliary Building. The signal from these manometers was fed into the P250 computers. The manometers were calibrated within six months of the CILRT by the original manufacturer with the accuracy being certified as being traceable to NIST.

A Hastings linear mass flowmeter was used to monitor flow

• for the superimposed verification test which followed the Type A Test. The flowmeter measures flow without any corrections being needed for pressure and temperature.

Flow is displayed and totalized at the flowmeter which is installed in the LM system on the 13' level of the Auxiliary Building. The LM piping then ties into the Service Air ( SA) piping penetration which is vented inside* containment. The flowmeters accuracy was certified as being traceable to NIST by the original manufacturer within six months of the CILRT.

Attachment 6.1 lists pertinent information for the instrumentation that was used during the CILRT.

6.2

• 6.2 CILRT PROGRAM - P250 COMPUTER The CILRT program on the P250 computer consists of three sub-programs. The programs are run on both units P250 computers during the Type A Test. The program on Unit Two's computer would be used as backup if Unit One's computer fails. The three programs are MANOS, ILRTDATA, and ILRTPRNT.

MANOS converts the binary coded decimal (BCD) input from the quartz manometers into P250 format numbers. MANOS is bid by the P250's Auxiliary Synchronizer every two seconds. MANOS reads six BCD digits for each quartz manometer via a direct channel read and converts these BCD digits to P250 format and stores them in calculated points 00962 and 00963.

ILRTDATA checks program control flags, collects instantaneous containment sensor readings and stores them on the P250's disk. ILRTDATA is bid every minute by the "Continuous Analog Scan" P250 program. A counter of the minutes since last execution is incremented by ILRTDATA.

When the counter reaches fifteen, a set of containment data is stored on the P250's disk to be transfered by ILRTPRNT.

ILRTPRNT prints the containment sensor data needed to support ILRT calculations. ILRTPRNT is bid by ILRTDATA to print tables of data in the format required for automatic input to the PC computer program,ILRTCALC.

• 6.3

• 6.3 CILRT PROGRAM - PC COMPUTER The CILRT program, ILRTCALC, on the PC computer consists of one main program which calls a number of procedure menus to implement required functions. ILRTCALC has the capabilities to automatically collect data from the P250 plant computer, verify containment sensor readings, calculate containment leakage rate, and generate reports of input data and calculation results.

ILRTCALC's user interface is via pull-down menus. The software architecture is described here by relating the menu entries and their functions to the major program modules. The menu entries are identified below.

SETUP: Used to select the station and unit number which is being tested or for which setup data is being entered. Activates screens for entering program setup parameters, entering data about the plant's containment instrumentation, entering data about zones which the containment is divided into, entering data about the test which is in progress and entering data which describes the

• unit being tested .

COLLECT/EDIT DATA: Executes the module which receives the printed output from the RS2 3 2 lines feeding the P250 printers and displays any messages generated during data collection about bad records or bad data. Compares each sensor with others in the same containment zone to determine whether the sensor is not reading correctly and displays any messages generated during zone difference checking about high sensor deviation. Activates screens on which the user may edit individual sensor readings and/or specify the time at which a sensor failed.

6.4

• 6.3 CILRT PROGRAM - PC COMPUTER (CONTINUED)

CALCULATIONS: Calculates containment parameters from individual sensor data, calculates containment leakage rate using either mass point, total time or point to point methods and calculates containment leakage rate for the verification phase of the test.

REPORTS: Lists input to leakage rate calculations, leakage rate results and leakage rate trend.

Generates reports of mass point, total time and point to point calculation results,reports of verification test results, reports of sensor data and containment average data.

In the calculation mode, the user has the option of performing either mass point, total time or point-to-point analysis. Mass point was used for this test because Amendment No. 120 to Technical Specifications, (approved by the NRC on May 24, 1988) modified Section

4. 4 to reflect the use of the Mass Point method for calculating containment leakage rates .

The mass of air in the containment is calculated from the average parameters at each data sample time using the ideal gas law correcting for the partial pressure of water vapor. The formula is as follows:

Where: M; =airmass at sample time i, lbm P; = average total pressure at sample time i, psia Pvi = average vapor pressure at sample time i, psia R = 53.3494 ft-lbf/lbm 0 R(gas constant for air)

T; = weighted average containment temperature at sample time i, 0 R Ve= containment free volume, 1.8 x 10 6 CU FT

• 6.5

• 6.3 CILRT PROGRAM - PC COMPUTER (CONTINUED)

The mass point method is derived from ANSI/ANS-56. 8-1987, Containment System Leakage Testing Requirements. In this method, air mass (M.) 1 vs time is curve fit to a linear equation. The slope of the line (change of air mass with respect to time) is the "measured" leakage rate.

Mfit = At+B Where: Mfit = air mass vs time from the least squares curve fit, lbm A= slope of air mass vs time, lbm/hr (leakage rate)

B = y-intercept, lbm (air mass at time zero) t = time since start of test, hr The leakage rate in percent of initial air mass lost per day is then:

Lam= -2400 x A/B The sign convention is such that leakage from containment is positive. The units for this value are in wt %/day .

• To account for uncertainties, the Upper Confidence Limit leakage rate (UCL) is calculated so that there is only a small chance (5% for mass point analysis) that the actual leakage rate exceeds the quoted UCL leakage rate.

this instance, the Student's t-distribution factor is applied to the standard deviation of the slope of the In curve fit line.

UCL= 2400xA+TxSA = Lam+2400xTxSA B B Where: UCL= upper confidence limit leakage rate,

%/day T = student's t-distribution factor for the appropriate confidence level, 95%

SA= standard deviation of A

• 6.6

ATTACHMENT 6.1 INSTRUMENTATION The following instrumentation was calibrated within 6 months prior to the performance of this test and in accordance with 10CFR50, Appendix J.

NOTE: Instruments that were assigned a zero weight factor were not used in the leakage rate calculations.

INSTRUMENT WEIGHT COMPUTER RANGE ZONE ACCURACY SENSITIVITY CALIBRATION FACTOR POINT DATE RTD-LM-100-1 0.025697 T1000A 60-120°F F + 0.1°F +/- 0.01°F 11-21-91 RTD-LM-100-2 0.022766 T1001A 60-120°F F +/- 0.1°F + 0.01°F 11-21-91 RTD-LM-100-3 0.025609 T1002A 60-120°F F + 0.1°F +/- 0.01°F 11-21-91 RTD-LM-100-4 0.014484 T1003A 60-120°F E +/- 0.1°F + 0.01°F 11-21-91 RTD-LM-100-5 0.088892 T1004A 60-120°F B +/- 0.1°F + 0.01°F 11-21-91 RTD-LM-100-6 0.088892 Tl005A 60-120°F B + 0.01°F 11-21-91 RTD-LM-100-7 0.088892 T1006A 60-120°F C + 0.1°F +/- 0.01°F 11-21-91 RTD-LM-100-8 0.088892 T1007A 60-120°F C +/- 0.1°F + 0.01°F 11-21-91 RTD-LM-100-9 0.049432 T1008A 60-120°F A + 0.1°F + 0.01°F 11-21-91 RTD-LM-100-10 0.049432 T1009A 60-120°F A + 0.1°F +/- 0.01°F 11-21-91 1 OF 3

ATTACHMENT 6.1 (CONTINUED)

INSTRUMENTATION INSTRUMENT WEIGHT COMPUTER RANGE ZONE ACCURACY SENSITIVITY CALIBRATION FACTOR POINT DATE RTD-LM-100-11 0.049432 TlOlOA 60-120°F A + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-12 0.024442 TlOllA 60-120°F D + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-13 0.024442 Tl012A 60-120°F D + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-14 0.024442 Tl013A 60-120°F E + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-15 0.024442 T4024A 60-120°F E + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-16 0.043602 T4025A 60-120°F J + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-17 0.043602 T4026A 60-120°F J + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-18 0.043602 T4027A 60-120°F J + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-21 0.024296 T4009A 60-120°F G + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-22 0.053389 T4020A 60-120°F G + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-23 0.000000 T4021A 60-120°F H + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-24 0.024778 T4022A 60-120°F I + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-25 0.056266 Y4032A 60-120°F H + O.l°F + O.Ol°F 11-21-91 RTD-LM-100-26 0.020279 Y4050A 60-120°F I + O.l°F + O.Ol°F 11-21-91 2 OF 3

ATTACHMENT 6.1 (CONTINUED)

INSTRUMENTATION INSTRUMENT WEIGHT COMPUTER RANGE ZONE ACCURACY SENSITIVITY CALIBRATION FACTOR POINT DATE MT-LM-100-6 0.139754 T4039A -15 TO +75°C K +/-1. 0 °C +/-0.3°C 03-06-92 MT-LM-100-7 0.139754 T4040A -15 TO +75°C K +/-1. 0 °C +/-0.3°C 03-06-92 MT-LM-100-8 0.240164 T4041A -15 TO +75°C L +/-1. 0 ° C +/-0.3°C 03-06-92 MT-LM-100-9 0.240164 T4042A -15 TO +75°C L +/-1. 0 ° C +/-0.3°C 03-06-92 MT-LM-100-10 0.240164 T4043A -15 TO +75°C L +/-1. 0 ° C +/-0.3°C 03-06-92 PI-LM-106 0.5 U0962 0-100 psia N/A +/-0.03 psia +/-0.001% 03-26-92 PI-LM-107 0.5 U0963 0-100 psia N/A +/-0.03 psia +/-0.001% 03-26-92 FI-LM-101 N/A N/A 0-9.99 SCFM N/A +/-1.5% F.S. +/-0.1% F.S. 02-21-92 3 OF 3

• 7.0 TEST RESULTS ANALYSIS 7.1 CILRT The CILRT was satisfactorily completed at 1607 hours0.0186 days <br />0.446 hours <br />0.00266 weeks <br />6.114635e-4 months <br /> on April 22, 1992. The Mass Point method was used to analyze the data and ensure that containment integrity met the requirements of 10CFR50, Appendix J. Figure 7.1 and 7 . 2 show the trends of containment mass and UCL leakage during the CILRT. Attachment 7. 5 lists the final CILRT results along with the required Type C penalties.

Attachment 7.1 and 7.2 list the input data and Mass Point CILRT results using instantaneous data from the plant process computer (P250).

7.2 SUPERIMPOSED VERIFICATION TEST The supplemental verification test was satisfactorily performed using 1-NPT-CT-115, "Superimposed Verification Test". Figure 7.3 shows a plot of leakage versus time for the verification test. Included on the plot are the upper and lower limits*for the verification test results.

The equation used to ensure that the verification test was acceptable is:

• (Lam+ Lo - .25La) ~Le~ (Lam+ Lo+ .25La)

Where: Lam= Type A calculated leakage Lo = Superimposed leakage rate on containment Le = Leakage during verification test (computer)

La = Maximum allowable leakage Attachment 7.3 and 7.4 has a listing of the input data and test results for the verification test.

Substituting actual test results, the above equation turns out to be:

(.037641+.0998-.025) ~ .113251 ~ (.037641+.0998+.025)

.112512 ~ .113251 < .162512 As shown above, Le falls within the upper and lower limits of the equation.

7.1

Attachment 7.1 PAGE 1 OF 2 INPUT DATA FOR 24 HOUR TEST SAMPLE TIME (HH:MM: SS) 15:52:18 16:07:18 SINCE START (hr) 0.000 0.250 CONTMNT PRESSURE (psi) 60.959 60.959 AVG.

CONTMNT TEMP.

( OR) 544.91 544.91 AVG.

CONTMNT DEWPOINT

( op) 71.79 VAPOR PRESSURE (psi) 0.3857 MASS (lbms) 540076.51 71.81 0.3860 540079.29 16:22:18 0.500 60.958 544.91 71.79 0.3858 540071.11 16:37:18 0.750 60.956 544.89 71.80 0.3858 540077.52 16:52:18 1.000 60.956 544.89 71.78 0.3855 540075.42 17:07:18 1.250 60.956 544.89 71.76 0.3854 540075.58 17:22:18 1.500 60.956 544.91 71.83 0.3862 540051.78 17:37:18 1. 750 60.955 544.91 71.80 0.3858 540047.96 17:52:18 2.000 60.955 544.88 71.77 0.3854 540075.18 18:07:18 2.250 60.956 544.91 71.79 0.3856 540049.05 18:22:18 2.500 60.955 544.91 71.81 0.3859 540041.77 18:37:18 2.750 60.954 544.91 71.77 0.3854 540041.98 18:52:18 3.000 60.954 544.91 71.79 0.3856 540038.55 19:07:18 3.250 60.955 544.92 71.77 0.3854 540040.24 19:22:18 3.500 60.955 544.91 71. 76 0.3853 540049.85 19:37:18 3.750 60.955 544.92 71.80 0.3858 540028.83 19:52:18 4.000 60.954 544.92 71.77 0.3855 540030.65 20:07:18 4.250 60.954 544.93 71.78 0.3855 540017.14 20:22:18 4.500 60.955 544.92 71.81 0.3860 540033.19 20:37:18 4.750 60.955 544.94 71.78 0.3855 540015.82 20:52:18 5.000 60.955 544.93 71.75 0.3852 540033.13

. : 0 7 : 18 5.250 60.955 544.94 71. 81 0.3860 540014.48

22:18 5.500 60.956 544.94 71.78 0.3856 540028.55 21:37:18 5.750 60.956 544.96 71.77 0.3854 540012.35 21:52:18 6.000 60.958 544.96 71.81 0.3860 540014.49 22:07:18 6.250 60.958 544.97 71.81 0.3859 540006.94 22:22:18 6.500 60.957 544.96 71. 79 0.3858 540017.43 22:37:18 6.750 60.958 544. 98

• 71.79 0.3857 540004.70 22:52:18 7.000 60.957 544.98 71.79 0.3857 539992.52 23:07:18 7.250 60.959 544.98 71.79 0.3857 540006.68 23:22:18 7.500 60.959 545.00 71.79 0.3857 539990.55 23:37:18 7.750 60.959 545.00 71. 80 0.3858 539987.85 23:52:18 8.000 60.959 545.01 71.79 0.3857 539989.61 00:07:18 8.250 60.960 545.02 71.81 0.3860 539984.47 00:21:53 8.493 60.961 545.02 71. 81 0.3859 539990.21 00:36:53 8.743 60.961 545.03 71.81 0.3859 539985.79 00:51:53 8.993 60.962 545.03 71. 81 0.3859 539987.47 01:06:53 9.243 60.962 545.04 71.78 0.3856 539983.85 01:21:53 9.493 60.962 545.04 71.77 0.3855 539987.18 01:36:53 9.743 60.964 545.05 71.79 0.3858 539988.09 01:51:53 9.993 60.964 545.06 71.78 0.3855 539976.94 02:06:53 10.243 60.964 545.06 71. 81 0.3859 539982.74 02:21:53 10.493 60.964 545.07 71.84 0.3863 539963.37 02:36:53 10.743 60.966 545.09 71.83 0.3862 539960.45 02:51:53 10.993 60.966 545.09 71.79 0.3857 539965.05 03:06:53 11. 243 60.966 545.09 71. 80 0.3858 539967.36

.:21:53 11.493 60.967 545.10 71.81 0.3859 539962.20

36:53 11.743 60.968 545.10 71.85 0.3865 539960.34 03:51:53 11.993 60.968 545.12 71. 81 0.3859 539948.05 04:06:53 12.243 60.968 545.12 71. 85 0.3865 539954.02 04:21:53 12.493 60.969 545.12 71.83 0.3862 539953.06

Attachment 7. 1 PAGE 2 OF 2 INPUT DATA FOR 24 HOUR TEST SAMPLE TIME (HH:MM:SS) 04:36:53 04:51:53 SINCE START (hr) 12.743 12.993 CONTMNT PRESSURE (psi) 60.970 60.970 AVG.

CONTMNT TEMP.

( OR) 545.13 545.13 AVG.

CONTMNT DEWPOINT (OF) 71.82 71.79 VAPOR PRESSURE (psi) 0.3861 0.3856 MASS (lbms) 539958.31 539962.18 05:06:53 13.243 60.970 545.13 71.83 0.3862 539955.43 05:21:53 13.493 60.971 545.15 71.82 0.3860 539945.65 05:36:53 13.743 60.972 545.14 71.79 0.3857 539965.33 05:51:53 13.993 60.972 545.15 71.84 0.3864 539955.61 06:06:53 14.243 60.972 545.16 71.84 0.3863 539946.63 06:21:53 14.493 60.972 545.17 71.82 0.3861 539942.85 06:36:53 14.743 60.974 545.18 71.80 0.3858 539941.11 06:51:53 14.993 60.974 545.18 71.87 0.3867 539938.46 07:06:53 15.243 60.974 545.18 71.78 0.3856 539946.84 07:21:53 15.493 60.973 545.18 71.78 0.3856 539945.35 07:36:53 15.743 60.975 545.19 71.83 0.3863 539937.42 07:51:53 15.993 60.975 545.21 71.86 0.3866 539918.91 08:06:53 16.243 60.975 545.20 71.87 0.3867 539929.09 08:21:53 16.493 60.975 545.22 71.83 0.3862 539916.92 08:36:53 16.743 60.975 545.19 71.86 0.3866 539935.68 08:51:53 16.993 60.976 545.20 71.81 0.3859 539941.98 09:06:53 17.243 60.976 545.22 71.81 0.3860 539919.29 09:21:53 17.493 60.976 545.22 71.88 0.3868 539911.69 09:36:53 17.743 60.975 545.22 71.87 0.3867 539908.37

.:51:53 17.993 60.976 545.23 71.87 0.3868 539906.95

06:53 18.243 60.977 545.22 71.85 0.3864 539923.14 10:21:53 18.493 60.976 545.23 71.85 0.3864 539915.97 10:36:53 18.743 60.976 545.24 71.81 0.3859 539911.05 10:51:53 18.993 60.976 545.24 71.88 0.3869 539892.62 11:06:53 19.243 60.977 545.25 71.82 0.3860 539901.23 11:21:53 19.493 60.977 545.26 71.90 0.3871 539890.21 11:36:53 19.743 60.977 545.24 71.82 0.3861 539905.56 11:51:53 19.993 60.978 545.25 71.86 0.3866 539908.33 12:06:53 20.243 60.978 545.26 71.82 0.3861 539896.96 12:21:53 20.493 60.979 545.27 71.87 0.3867 539890.61 12:36:53 20.743 60.979 545.27 71.86 0.3866 539894.97 12:51:53 20.993 60.978 545.27 71.83 0.3862 539888.31 13:06:53 21. 243 60.978 545.27 71.86 0.3867 539882.48 13:21:53 21. 493 60.978 545.28 71.83 0.3862 539879.58 13:36:53 21.743 60.979 545.28 71.89 0.3870 539879.83 13:51:53 21. 993 60.980 545.28 71. 86 0.3865 539896.92 14:06:53 22.243 60.980 545.28 71.88 0.3868 539885.43 14:21:53 22.493 60.980 545.30 71.88 0.3868 539867.88 14:36:53 22.743 60.980 545.30 71.87 0.3868 539873.41 14:51:53 22.993 60.979 545.29 71. 86 0.3866 539879.38 15:06:53 23.243 60.981 545.29 71.87 0.3867 539886.03 15:21:53 23.493 60.981 545.31 71.87 0.3867 539871.74 15:36:53 23.743 60.981 545.31 71.87 0.3868 539870.81 15:51:53 23.993 60.981 545.31 71.88 0.3869 539871.58

.6:06:53 24.243 60.981 545.31 71. 90 0.3871 539862.64

PAGE 1 OF 2 Attechment 7 .2

• SAMPLE TIME (HH:MM: SS) (hr)

MASS POINT TEST RESULTS FOR 24 HOUR TEST SINCE START MASS (lbms)

CALCULATED LEAKRATE

(%/day)

CONFIDENCE INTERVAL

(%/day)

LEAKRATE UPPER CONFIDENCE LIMIT

(%/day) 15:52:18 0.000 540076.51 0.000000 0.000000 0.000000 16:07:18 0.250 540079.29 0.000000 0.000000 0.000000 16:22:18 0.500 540071.11 0.047982 0.481686 0.529668 16:37:18 0.750 540077.52 0.009154 0.099181 0.108335 16:52:18 1.000 540075.42 0.007010 0.045917 0.052927 17:07:18 1.250 540075.58 0.004997 0.027329 0.032325 17:22:18 1.500 540051.78 0.049068 0.054427 0.103494 17:37:18 1.750 540047.96 0.069005 0.045064 0.114069 17:52:18 2.000 540075.18 0.041444 0.045467 0.086911 18:07:18 2.250 540049.05 0.050494 0.036902 0.087396 18:22:18 2.500 540041. 77 0.059012 0.031040 0.090051 18:37:18 2.750 540041. 98 0.061518 0.025670 0.087188 18:52:18 3.000 540038.55 0.063013 0.021552 0.084565 19:07:18 3.250 540040.24 0.061291 0.018402 0.079693 19:22:18 3.500 540049.85 0.054369 0.017345 b.071714 19:37:18 3.750 540028.83 0.056782 0.015283 0.072065 19:52:18 4.000 . 540030.65 0.056691 0.013416 0.070107 20:07:18 4.250 540017.14 0.059845 0.012289 0.072134 20:22:18 4.500 540033.19 0.056652 0.011412 0.068064 20:37:18 4.750 540015.82 0.057927 0.010314 0.068241 20:52:18 5.000 540033.13 0.054123 0.010049 0.064171 07:18 5.250 540014.48 0.054555 0.009120 0.063675 22:18 5.500 540028.55 0.051573 0.008819 0.060392

• 37:18 5.750 540012.35 0.051640 0.008066 0.059706 21:52:18 6.000 540014.49 0.050866 0.007445 0.058311 22:07:18 6.250 540006.94 0.050968 0.006860 0.057828 22:22:18 6.500 540017.43 0.049165 0.006586 0.055751 22:37:18 6.750 540004.70 0.049031 0.006107 0.055138 22:52:18 7.000 539992.52 0.050078 0.005770 0.055848 23:07:18 7.250 540006.68 0.048981 0.005485 0.054466 23:22:18 7.500 539990.55 0.049522 0.005152 0.054674 23:37:18 7.750 539987.85 0.049958 0.004844 0.054802 23:52:18 8.000 539989.61 0.049886 0.004546 0.054431 00:07:18 8.250 539984.47 0.050034 0.004276 0.054310 00:21:53 8.493 539990.21 0.049442 0.004070 0.053512 00:36:53 8.743 539985.79 0.049074 0.003858 0.052932 00:51:53 8.993 539987.47 0.048426 0.003701 0.052127 01:06:53 9.243 539983.85 0.047939 0.003536 0.051475 01:21:53 9.493 539987.18 0.047111 0.003448 0.050559 01:36:53 9.743 539988.09 0.046170 0.003399 0.049570 01:51:53 9.993 539976.94 0.045889 0.003243 0.049132 02:06:53 10.243 539982.74 0.045152 0.003169 0.048321 02:21:53 10.493 539963.37 0.045461 0.003035 0.048496 02:36:53 10.743 539960.45 0.045750 0.002909 0.048659 02:51:53 10.993 539965.05 0.045632 0.002781 0.048413 03:06:53 11.243 539967.36 0.045288 0.002679 0.047968 03:21:53 11.493 539962.20 0.045110 0.002570 0.047680 03:36:53 11.743 539960.34 0.044923 0.002468 0.047391 03:51:53 11.993 539948.05 0.045182 0.002380 0.047562

~06:53 12.243 539954.02 0.045056 0.002287 0.047343

Attechment 7.2 PAGE 2 OF 2 SAMPLE TIME (HH:MM:SS) (hr)

MASS POINT TEST RESULTS FOR 24 HOUR TEST SINCE START MASS (lbms)

CALCULATED LEAKRATE

(%/day)

CONFIDENCE INTERVAL

(%/day)

LEAKRATE UPPER CONFIDENCE LIMIT

(%/day) 04:21:53 12.493 539953.06 0.044880 0.002203 0.047083 04:36:53 12.743 539958.31 0.044423 0.002163 0.046586 04:51:53 12.993 539962.18 0.043778 0.002172 0.045950 05:06:53 13.243 539955.43 0.043357 0.002130 0.045487 05:21:53 13.493 539945.65 0.043234 0.002055 0.045289 05:36:53 13.743 539965.33 0.042384 0.002145 0.044529 05:51:53 13.993 539955.61 0.041858 0.002130 0.043988 06:06:53 .* 14.243 539946.63 0.041591 0.002072 0.043663 06:21:53 14.493 539942.85 0.041393 0.002010 0.043404 06:36:53 14.743 539941.11 0.041198 0.001952 0.043150 06:51:53 14.993 539938.46 0.041030 0.001894 0.042925 07:06:53 15.243 539946.84 0.040586 0.001882 0.042468 07:21:53 15.493 539945.35 0.040162 0.001867 0.042029 07:36:53 15.743 539937.42 0.039922 0.001823 0.041745 07:51:53 15.993 539918.91 0.040109 0.001776 0.041884 08:06:53 16.243 539929.09 0.039978 0.001726 0.041704 08:21:53 16.493 539916.92 0.040092 0.001678 0.041769 08:36:53 16.743 539935.68 0.039717 0.001667 0.041385 08:51:53 16.993 539941. 98 0.039186 0.001698 0.040883 09:06:53 17.243 539919.29 0.039139 0.001649 0.040788 09:21:53 17.493 539911. 69 0.039208 0.001604 0.040812 1 36:53 51:53 06:53 10:21:53 10:36:53 17.743 17.993 18.243 18.493 18.743 539908.37 539906.95 539923.14 539915.97 539911. 05 0.039294 0.039358 0.039063 0.038884 0.001561 0.001519 0.001505 0.001475 0.040855 0.040877 0.040568 0.040359 0.038769 0.001440 0.040209 10:51:53 18.993 539892.62 0.038951 0.001413 0.040364 11:06:53 19.243 539901.23 0.038932 0.001377 0.040309 11:21:53 19.493 539890.21 0.039064 0.001348 0.040412 11:36:53 19.743 5:f9905. 56 0.038897 0.001323 0.040221 11:51:53 19.993 539908.33 0.038663 0.001310 0.039973 12:06:53 20.243 539896.96 0.038589 0.001280 0.039869 12:21:53 20.493 539890.61 0.038585 0.001249 0.039834 12:36:53 20.743 539894.97 0.038484 0.001223 0.039706 12:51:53 20.993 539888.31 0.038454 0.001194 0.039649 13:06:53 21.243 539882.48 0.038480 0.001167 0.039646 13:21:53 21.493 539879.58 0.038514 0.001140 0.039654 13:36:53 21.743 539879.83 0.038512 0.001114 0.039626 13:51:53 21.993 539896.92 0.038254 0.001117 0.039371 14:06:53 22.243 539885.43 0.038135 0.001098 0.039233 14:21:53 22.493 539867.88 0.038220 0.001076 0.039296 14:36:53 22.743 539873.41 0.038203 0.001053 0.039256 14:51:53 22.993 539879.38 0.038089 0.001036 0.039125 15:06:53 23.243 539886.03 0.037876 0.001034 0.038910 15:21:53 23.493 539871.74 0.037819 0.001014 0.038833 15:36:53 23.743 539870.81 0.037752 0.000995 0.038747 15:51:53 23.993 539871. 58 0.037656 0.000978 0.038635 16:06:53 24.243 539862.64 0.037641 0.000958 0.038600

Attachment 7 .3 PAGE 1 OF 1 INPUT DATA FOR VERIFICATION TEST

• DATE SAMPLE (MM/DD/YY) 04/22/92 04/22/92 TIME (HH:MM: SS) 17:51:53 18:06:53 CONTMNT PRESSURE (psi) 60.981 60.981 AVG.

CONTMNT TEMP.

( OR) 545.36 545.37 AVG.

CONTMNT DEWPOINT (OF) 71.90 71.88 VAPOR PRESSURE (psi) 0.3872 0.3869 MASS (lbms) 539823.34 539811.70 04/22/92 18:21:53 60.982 545.37 71.88 0.3868 539815.81 04/22/92 18:36:53 60.982 545.40 71.91 0.3873 539789.64 04/22/92 18:51:53 60.982 545.39 71.88 0.3869 539805.05 04/22/92 19:06:53 60.982 545.40 71.87 0.3867 539790.58 04/22/92 19:21:53 60.983 545.42 71.90 0.3872 539776.24 04/22/92 19:36:53 60.983 545.42 71.92 0.3874 539780.24 04/22/92 19:51:53 60.983 545.44 71.92 0.3874 539756.85 04/22/92 20:06:53 60.984 545.43 71.91 0.3873 539771.41 04/22/92 20:21:53 60.984 545.45 71.90 0.3872 539755.42 04/22/92 20:36:53 60.984 545.46 71. 90 0.3872 539753.38 04/22/92 20:51:53 60.985 545.48 71.92 0.3873 539731. 07 04/22/92 21:06:53 60.987 545.49 71.92 0.3874 539738.26 04/22/92 21:21:53 60.987 545.50 71.92 0.3873 539735.28 04/22/92 21:36:53 60.988 545.51 71.92 0.3873 539725.61 04/22/92 21:51:53 60.988 545.52 71.90 0.3871 539723.65

Attachment 7 .4 PAGE 1 OF 1 MASS POINT TEST RESULTS FOR VERIFICATION TEST

. o s e d leakrate (Lo) : 4.993538 Last calc'd leakrate (Lam) : 0.037641 (scfm) (%/day)

Time Dtime Airmass Lam+Lo-0.025 Le Lam+Lo+0.025 (HH:MM: SS) (hr) (lbms) (%/day) (%/day) (%/day) 17:51:53 0.000 539823.34 .112511760 0.000000 .162511760 18:06:53 0.250 539811.70 .112511760 0.000000 .162511760 18:21:53 0.500 539815.81 .112511760 0.067007 .162511760 18:36:53 0.750 539789.64 .112511760 0.172511 .162511760.

18:51:53 1.000 539805.05 .112511760 0.104289 .162511760 19:06:53 1.250 539790.58 .112511760 0.106651 .162511760 19:21:53 1. 500 539776.24 .112511760 0.123400 .162511760 19:36:53 1. 750 539780.24 .112511760 0.114162 .162511760 19:51:53 2.000 539756.85 .112511760 0.129975 .162511760 20:06:53 2.250 539771. 41 .112511760 0.116815 .162511760 20:21:53 2.500 539755.42 .112511760 0.117248 .162511760 20:36:53 2.750 539753.38 .112511760 0.114387 .162511760 20:51:53 3.000 539731. 07 .112511760 0.121968 .162511760 21:06:53 3.250 539738.26 .112511760 0.119593 .162511760 21:21:53 3.500 539735.28 .112511760 0.116383 .162511760 21:36:53 3.750 539725.61 .112511760 0.115463 .162511760 21:51:53 4.000 539723.65 .112511760 0.113251 .162511760

• TYPE C PENALTIES ATTACHMENT 7.5 CILRT TEST RESULTS A minimum pathway leakage (MPL) Type C penalty was applied for all containment piping penetrations whose containment isolation valves were not exposed to CILRT pressure. The listing of the applicable penetrations and the associated MPL's are given below.

PENETRATION NO. DESCRIPTION LEAKAGE 19 SEALWATER FROM RCPS o.o 20 SAFETY INJECTION ACCUM. MAKEUP o.o 24 RESIDUAL HEAT REMOVAL TO RWST 0.23 28 REACTOR COOLANT LETDOWN 0.0 32 GASEOUS WASTE 0.0 33 PRIMARY DRAINS TRANSFER PUMP DISCH. 0.0 38 AERATED DRAINS 0.0 45 PRIMARY GRADE WATER 0. O*

50 NITROGEN RELIEF o.o 55A LEAKAGE MONITORING 0.0 57A LEAKAGE MONITORING 0.0 63 CONTAINMENT SPRAY PUMP DISCHARGE 0.0 64 CONTAINMENT SPRAY PUMP DISCHARGE 0.0 70 RECIRCULATION SPRAY PUMP DISCHARGE 0.0 71 RECIRCULATION SPRAY PUMP DISCHARGE 0.03 92 CONTAINMENT H2 ANALYZER SAMPLE 0.0 93 CONTAINMENT H2 ANALYZER SAMPLE 0.0 97B RESIDUAL HEAT REMOVAL SAMPLE 0.0 97C LEAKAGE MONITORING o.o 100 GASEOUS WASTE 0.0 101 FIRE PROTECTION HEADER o.o 105C GASEOUS WASTE 0.0 105D LEAKAGE MONITORING 0.0 106 SAFETY INJECTION TEST LINE 0.0 TYPE C PENALTY TOTAL: 0.26 SCFH CONVERTED TYPE C PENALTY TOTAL WT %/DAY= SCFH/3033.5: 0.000086 WT %/DAY

• 1 OF 2

• ATTACHMENT 7.5 (CONTINUED)

CILRT TEST RESULTS MASS POINT LEAKAGE .037641 wt %/day 95% CONFIDENCE LIMIT .000958 wt %/day TYPE C PENALTIES .000086 wt %/day FINAL TYPE A TEST RESULTS: .038685 wt %/day The acceptable limit of . 075 wt %/day as stated in Paragraph III.A.5. (b) .(2) of 10CFR50, Appendix J was met .

• 2 OF 2

FIGURE 7.1 CONTAINMENT MASS VS. TIME C 540100 0

N T

A I.

I I 540050 N

M E

N 540000 T

M A 539950 s

s L 539900 B

M 539850

- CONTAINMENT MASS ----- 0.75 La Slope - LINEAR REGRESS MASS 539800-+--+---+---+--+--+----l------l----+---l----l--+--+--+--+--+--+--+--+---!---!---!--l---f----J 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 TIME (HOURS)

SURRY UNIT 1 CILRT 04-22-92

FIGURE 7.2 UCL LEAKAGE VS. TIME 0.12 u

C L

0.1 L

E A 0.08 K

A G 0.06 E

w 0.04 T

I D 0.02 A

y 0 --+----+-----+-----+----+----+----+----+-----+-----+-----+-----+-----+-----+---+----+----+----+-----+-----+---+--+--+---'

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 TIME (HOURS)

- UCL LEAKAGE ------- ACCEPTANCE < 0.075 SURRY UNIT 1 CILRT 04-22-92

FIGURE 7.3 VERIFICATION TEST LEAK RATE VS. TIME 0.18 - - - . - - - - - - - - - - - - - - - - - - - - - - - - - - - ~

L E 0.16 A

K 0.14 R 0.12 A

T 0.1 E

w 0.08 T

% 0.06 I

D 0.04 A

y - ACTUAL LEAK RATE * * * * * * * *

• UPPER LIMIT ------ LOWER LIMIT 0.02 0 -f-----+----+-----f----+-----+-----+-----+------,

0:00 0:30 1:00 1:30 2:00 2:30 3:00 3:30 4:00 TIME (HOURS)

SURRY UNIT 1 CILRT 04-22-92

• 8.0 LOCAL LEAK RATE TESTS {TYPE BAND C)

Type Band c tests were performed on containment penetrations prior to the CILRT. The As-Found and As-Left test results for these penetrations are shown in Attachment 8. 1. If any repairs were required, a description is included. Also included in Attachment 8.1 are Type Band C test results for tests which were performed since the last CILRT in June 1988.

The total As-Found Type Band c leakage value, using maximum pathway leakages, during the 1992 Refueling Outage was 155.15 SCFH which is below the maximum leakage of 0.6 LA (180 SCFH) as specified in 10CFR50, Appendix J, Section III.B.3.(a).

The majority of the As-Found leakage can be attributed to two penetrations. The penetrations/valves were Penetration 38 (01-DA-TV-lOOA) and Penetration 46 (Ol-CH-FCV-1160).

The corrective action taken to reduce the Type Band C leakage value was to repair and/or replace valves which had leakage above the maximum allowable leakage specified in Ol-OPT-CT-201, "Containment Isolation Valve Local Leakage Rate Testing" (Type C Containment Testing).

Following these repairs the final As-Left Type B and C leakage, using the maximum pathway leakage criteria, was 28. 57 SCFH which is well below the 0.6 LA value of 180 SCFH .

• 8.1

ATTACHMENT 8.1 (A}

1988 TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR W.O. NO. [REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH} LEAKAGE (SCFH) 19 SEAL WATER C MOV-CH-1381 0.31 (11/88) 0.0 (11/88) 069154/Adjusted FROM RCP packing 20 SAFETY C 1-SI-32 0.0 (12/88) 0.0 INJECTION ACC MAKEUP 21 HIGH HEAD C MOV-SI-1842 0.89 (07/88) 0.89 SAFETY INJECTION TO COLD LEG 33 PRIMARY DRNS C TV-DG-108B o.o (10/88) o.o TRANSFER TNK 45 PRIMARY GR. C TV-RC-1519A 0.0 (11/88) 0.0 WATER 50 SAFETY C TV-SI-101A 0.0 (12/88) 0.0 INJECTION ACCUM VENT 61 LOW HEAD C MOV-SI-1890C 1. 7 (07/88) 1. 7 SAFETY INJECTION TO COLD LEG 63 CONTAINMENT C l-CS-24 2.08 (12/88) 0.0 (12/88) 075340/Replaced SPRAY PUMP gasket DISCHARGE 1 OF 2

ATTACHMENT 8.1 (A) 1988 TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR W.O. NO. [REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 64 CONTAINMENT C 1-CS-13 0.21 (07/88) 0.21 SPRAY PUMP 0.0 (12/88) 0.0 DISCHARGE MOV-CS-101A/ 047995/Replaced MOV-CS-101B 11.42 (07/88) o.o (07/88) seat ring & gasket 90 CONTAINMENT C MOV-VS-lOOC,D/

PURGE EXHAUST MOV-VS-101 11. 29 (07/88) 8.42 (09/88) 067223/Repacked 91 CONTAINMENT C MOV-VS-lOOA,B/ 053775/067365/

PURGE SUPPLY MOV-VS-102 9.0 (07/88) 0.056 (09/88) Repacked valves 103 REACTOR C 1-RL-3/

CAVITY 1-RL-5 0.0 (12/88) 0.0 PURIFICATION 104 REACTOR C 1-RL-13 0.0 (12/88) o.o CAVITY 1-RL-15 o.o (12/88) 0.0 PURIFICATION FUEL TRANSFER B 0-RING o.o (09/88) 0.0 (12/88)

TUBE PERSONNEL HATCH B HATCH 0.0 (07/88) 6.87 (09/88)

EQUIP HATCH B HATCH 2.95 (07/88) 0.03 (09/88)

ELECTRICAL B 0-RING (lF) 0.0 (07/88) 0.0 PENETRATION 2 OF 2

ATTACHMENT 8.1 (Bl 1989 TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENTL PRE-REPAIR POST-REPAIR w.o. NO. /REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 7 SAFETY C 1-SI-150/

INJECTION MOV-SI-1867C/ 068525/Repacked NORMAL HDR MOV-SI-1867D 2.09 (01/89) 0.72 (06/89) 069151/Repacked 15 eves NORMAL C MOV-CH-1289A 0.0 (01/89) o.o (05/89)

HDR 21 HIGH HEAD C MOV-SI-1842 0.44 (05/89) 0.44 SAFETY INJECTION TO COLD LEG 23 HIGH HEAD C MOV-SI-1869B 0.395 (01/89) 0.71 (06/89)

SAFETY INJECTION TO HOT LEG 28 RCS LETDOWN C TV-CH-1204B o.o (01/89) o.o (05/89) 45 PRIMARY GR. C TV-RC-1519A o.o (01/89) o.o (05/89)

WATER 48 PRIMARY C TV-VG-109B 0.0 (05/89) 0.0 VENT HOR 50 SAFETY C TV-SI-101A 0.0 (01/89) 0.0 INJECTION ACCUM VENT 1 OF 4

ATTACHMENT 8.1 (B) 1989 TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENTL PRE-REPAIR POST-REPAIR w.o. NO.LREPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE ( SCFH) 56A SAMPLING C TV-SS-100B 0.09 (05/89) 0.0 (06/89)

SYSTEM 60 LOW HEAD C MOV-SI-1890A 11. 68 (01/89) o.o (05/89) 077003/0verhaul SAFETY INJECTION TO HOT LEG 61 LOW HEAD C MOV-SI-1890C 2.86 (01/89) 3.7 (06/89)

SAFETY INJECT-ION TO COLD LEG 62 LOW HEAD C MOV-SI-1890B 0.196 (01/89) 2.91 (06/89)

SAFETY INJECTION TO HOT LEG 63 CONTAINMENT C MOV-CS-lOlC/ 1.11 (04/89) 2.0 (05/89)

SPRAY PUMP MOV-CS-101D DISCHARGE 64 CONTAINMENT C MOV-CS-101A/ 0.0 (04/89) 0.26 (05/89)

SPRAY PUMP MOV-CS-101B DISCHARGE 66/67 RECIRC C MOV-RS-155A/

SPRAY MOV-RS-155B a.a (05/89) 0.0 (05/89)

SUCTION 2 OF 4

ATTACHMENT 8.1 (B) 1989 TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR w.o. NO.[REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 68/69 SAFETY C MOV-SI-1860A/

INJECTION MOV-SI-1860B o.o (05/89) 1. 61 (06/89)

SUCTION 70 RECIRC C MOV-RS-156B 0.65 (04/89) 1. 05 (05/89)

SPRAY PUMP DISCHARGE 71 RECIRC C MOV-RS-156A 1.4 (04/89) 1.45 (05/89)

SPRAY PUMP DISCHARGE 90 CONTAINMENT C MOV-VS-lOOC,D/ 081555/Repacked PURGE EXHAUST MOV-VS-101 63.4 (05/89) 13.09 (06/89) 082589/Repacked 91 CONTAINMENT C MOV-VS-lOOA,B/

PURGE SUPPLY MOV-VS-102 2.91 (05/89) 2.18 (06/89) 96 RECIRC AND C 1-RT-6 o.o (05/89) o.o (05/89)

TRANSFER 100 GASEOUS C TV-GW-103 0.0 (06/89) 0.0 WASTE 3 OF 4

ATTACHMENT 8.1 (Bl 1989 TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR w.o. NO. [REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 106 SAFETY C 1-SI-73 0.0 (02/89) o.o (03/89)

INJECTION TEST LINE 113 SAFETY C 1-SI-174/

INJECTION MOV-SI-1869A 0.0 (02/89) 0.0 (05/89)

PERSONNEL HATCH B HATCH 8.54 (06/89) 0.161 (06/89) 075460/Adjusted outer door EQUIP HATCH B HATCH 0.69 (06/89) 0.69 ELECTRICAL B 0-RING 0.2263 (05/89) 0.0977 (06/89)

PENETRATIONS 4 OF 4

ATTACHMENT 8.1 (C) 1990 TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR w.o. NO. [REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH)

ELECTRICAL B 0-RING 2E 0.0 (07/90) 0.0 097546 PENETRATIONS 5D o.o (01/90) 0.0 (01/90) 088799 l5B 0.01734 (05/90) 0.01734 095098 16A 0.00204 (01/90) 0.00204 16E 0.00408 (01/90) 0.01224 (01/90) 088798 17E 0.0 (04/90) o.o PERSONNEL HATCH B AIRLOCK 0.043 (01/90) 0.043 0.43 (08/90) 0.43 EQUIPMENT HATCH B AIRLOCK 0.0 (01/90) o.o 0.0 (02/90) o.o 0.41 (08/90) 0.41 1 OF 1

ATTACHMENT 8.1 (D) 1990 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENTl PRE-REPAIR POST-REPAIR w.o. NO. lREPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 7 SAFETY C 1-SI-150/

INJECTION MOV-SI-1867C/ 102140/Replaced NORMAL HDR MOV-SI-1867D 97.5 (10/90) 1.1 (12/90) 1-SI-150 15 eves NORMAL C MOV-CH-1289A 0.11 (10/90) 0.0 (11/90)

HDR l-CH-309 0.0 (10/90) 0.0 (11/90) 19 SEAL WATER C MOV-CH-1381 0.175 (10/90) 0.0 (11/90)

FROM RCP 20 SAFETY C 1-SI-32 o.o (10/90) o.o (11/90)

INJECTION ACC MAKEUP 21 HIGH HEAD C MOV-SI-1842 0.0 (10/90) o.o (12/90)

SAFETY INJECTION TO COLD LEG 22 RECIRC. & C 1-RT-21 0.0 (10/90) 0.0 TRANSFER 1-RT-25 0.0 (10/90) 0.0 23 HIGH HEAD C MOV-SI-1869B 0.0 (10/90) 0.0 SAFETY INJECTION TO HOT LEG 1 OF 8

ATTACHMENT 8.1 (D) 1990 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT/ PRE-REPAIR POST-REPAIR W.O. NO. /REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 24 RHR TO RWST C MOV-RH-100 0.0 {10/90) 0.0 28 RCS LETDOWN C TV-CH-1204A 0.046 {11/90) 0.046 TV-CH-1204B 1. 65 {10/90) o.o {11/90) 101462/Repaired RV-1203 32 GASEOUS C TV-GW-106 0.0 {10/90) o.o WASTE TV-GW-107 0.0 {10/90) o.o 33 PRIMARY C TV-DG-108A 0.52 {10/90) 0.52 DRAINS TV-DG-108B 0.175 {10/90) 0.175 TRANSFER TANKS 38 AERATED C TV-DA-lOOA 0.12 (10/90) 0.12 DRAINS TV-DA-100B 5.12 {10/90) 0.0 {11/90) 101506/Replaced valve internals 42 SERVICE AIR C 1-SA-60 0.0 (11/90) o.o 1-SA-62 0.0 (11/90) 0.0 43 RADIATION C TV-RM-lOOA 0.0 {11/90) 0.0 MONITORING 1-RM-3 0.209 (10/90) 0.0 (11/90) 103005/Rethreaded pipe connection 44 RADIATION C TV-RM-100B o.o {10/90) 0.0 MONITORING TV-RM-lOOC 0.0 {10/90) 0.0 45 PRIMARY GR. C 1-RC-160 9.5 {11/90) 9.43 {12/90) 101405/0verhaul WATER TV-RC-1519A 0.0 (11/90) 0.0 2 OF 8

ATTACHMENT 8.1 (D) 1990 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT/ PRE-REPAIR POST-REPAIR W.O. NO. /REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 46 LOOP FILL C FCV-CH-1160

• 305.0 (10/90) 0.0 (10/90) 101835/Replaced HOR plug & seat 47 INST AIR C 1-IA-939 0.0 (10/90) 0.0 SUPPLY TV-IA-100/

1-IA-446 o.o (10/90) o.o 48 PRIMARY C TV-VG-109A 0. 209 ( 10/90) 0.209 VENT HOR TV-VG-109B 0.0 (10/90) 0.0 50 SAFETY C TV-SI-101A 0.125 (10/90) 0.125 INJECTION TV-SI-101B 0.0 (10/90) o.o ACCUM VENT 51 RSHX SERVICE C l-SW-206 0.0 (10/90) 0.0 WATER DRAIN 1-SW-208 o.o (10/90) 0.0 53 N2 TO PRT C TV-SI-100 4.24 (10/90) 0.0 (11/90) 102536/Tightened actuator 1-SI-234 6.15 (10/90) 0.26 (11/90) 102534/Lapped seat 54 PRIMARY VENT C 1-VA-l 0.0 (10/90) o.o POT VENT 1-VA-6 0.0 (10/90) o.o 3 OF 8

ATTACHMENT 8.1 (D) 1990 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR W.O. NO. [REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE ( SCFH) 55A LEAKAGE C TV-LM-100A,E 57A MONITORING TV-LM-lOOC,G 0.0 (10/90) 0.0 97C TV-LM-100B,F 105D TV-LM-100D,H o.o (10/90) 0.0 56A SAMPLING C TV-SS-lOOA 0.0 (10/90) 0.0 SYSTEM TV-SS-100B 0.0 (10/90) o.o 56B SAMPLING C TV-SS-102A 305.0 (10/90) 0.0 (11/90) 102318/Replaced SYSTEM TV-SS-102B 0.034 (10/90) 0.034 valve 56D SAMPLING C TV-SS-106A 0.0 (10/90) 0.0 SYSTEM TV-SS-106B 0.095 (10/90) 0.095 57B SAMPLING C TV-SS-104A 0.0 (10/90) 0.0 SYSTEM TV-SS-104B 0.0 (10/90) o.o 57C SAMPLING C TV-SS-101A 1.014 (10/90) 0.096 (11/90) 102317/Replaced SYSTEM TV-SS-101B o.o (10/90) 0.0 valve 57D HRSS RETURN C TV-DA-103A 0.219 (10/90) 0.0 (11/90) 102290/Repacked TV-DA-103B 0.328 (10/90) 0.084 (11/90) 101508/Repacked 58 INST AIR C 2-IA-446 0.231 (10/90) 0.231 1-IA-938 0.161 (10/90) 0.161 4 OF 8

ATTACHMENT 8.1 (D) 1990 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR w.o. NO. [REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 60 LOW HEAD C MOV-SI-1890A 0.67 (10/90) 0.67 SAFETY INJECTION TO HOT LEG 61 LOW HEAD C MOV-SI-1890C 3.38 (10/90) 3.38 SAFETY INJECTION TO COLD LEG 62 LOW HEAD C MOV-SI-1890B 0.128 (10/90) 0.128 SAFETY INJECTION TO HOT LEG 63 CONTAINMENT C MOV-CS-101C/

SPRAY PUMP MOV-CS-lOlD 0.841 (10/90) 0.841 DISCHARGE 1-CS-24 305.0 (10/90) 0.0 (11/90) 094723/Replaced valve seat 64 CONTAINMENT C MOV-CS-101A/

SPRAY PUMP MOV-CS-101B 0.117 (10/90) 0.117 DISCHARGE l-CS-13 0.05 (10/90) 0.0 ( 11/90) 66/67 RECIRC C MOV-RS-155A/

SPRAY MOV-RS-155B 1. 56 (10/90) 0.0 (11/90) 097950/Replaced SUCTION o-ring and gasket 5 OF 8

ATTACHMENT 8.1 (D) 1990 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT/ PRE-REPAIR POST-REPAIR W.O. NO. /REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 68/69 SAFETY C MOV-SI-1860A/

INJECT. MOV-SI-1860B 3.12 (11/90) 3.5 (11/90)

SUCTION 70 RECIRC C MOV-RS-156B 0.43 (10/90) 0.43 SPRAY PUMP 1-RS-11 0.0 (10/90) o.o DISCHARGE 71 RECIRC C MOV-RS-156A 3.14 (10/90) 1.12 (11/90) 103974/Adjust SPRAY PUMP 1-RS-17 o.o (10/90) 0.0 (11/90) mech. stops DISCHARGE 89 AIR EJECTOR C TV-SV-102A 1.14 (10/90) o.o (11/90)

DISCHARGE 1-VP-12 0.2 (10/90) 0.2 90 CONTAINMENT C MOV-VS-lOOC,D/

PURGE EXHAUST MOV-VS-101 305.0 (10/90) 1.14 (12/90) 096688/0verhaul 91 CONT. PURGE C MOV-VS-lOOA,B/

SUPPLY MOV-VS-102 0.43 (10/90) 1.14 (12/90) 92 CONTAINMENT C TV-GW-100 0.0 (10/90) 0.0 VACUUM PUMP TV-GW-101 0.0 {10/90) 0.0 TV-CV-150C 22.1 (10/90) 0.53 (11/90) 103153/Replace TV-CV-150D 20.74 {10/90) 0.0 (11/90) diaphragm on 1-CV-26 6 OF 8

ATTACHMENT 8.1 (D) 1990 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR w.o. NO. [REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 93 CONTAINMENT C TV-GW-104 0.0 (10/90) o.o VACUUM PUMP TV-GW-105 o.o (10/90) o.o TV-CV-150A 0.06 (10/90) 0.06 TV-CV-150B 0.043 (10/90) 0.043 94 CONTAINMENT C 1-cv-2 0.0 (10/90) 0.0 HOGGER HCV-CV-100 0.41 (10/90) 0.41 96 RECIRC AND C 1-RT-2 o.o (10/90) o.o TRANSFER 1-RT-6 0.0 {10/90) 0.0 97B SAMPLING C TV-SS-103A 0.0 (10/90) o.o SYSTEM TV-SS-103B o.o (10/90) o.o 100 GASEOUS C TV-GW-102 0.0 (10/90) 0.0 WASTE TV-GW-103 o.o {10/90), o.o 101 FIRE C 1-FP-151 0.0 (10/90) 0.0 PROTECTION 1-FP-152 o.o (10/90) o.o 103 REACTOR C 1-RL-3/

CAVITY 1-RL-5 o.o (10/90) o.o PURIFICATION 104 REACTOR C 1-RL-13 o.o (10/90) o.o {11/90)

CAVITY 1-RL-15 0.0 _(10/90) 0.0 (11/90)

PURIFICATION 7 OF 8

ATTACHMENT 8.1 (D) 1990 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT/ PRE-REPAIR POST-REPAIR W.O. NO. /REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 105C POST ACC C TV-GW-lllA 0.0 (10/90) 0.0 SAMPLING TV-GW-111B o.o (10/90) 0.0 106 SAFETY C 1-SI-73 0.0 (10/90) 0.0 INJECTION TEST LINE 112 CONTAINMENT C TV-IA-lOlA o.o (10/90) 0.0 INST AIR TV-IA-lOlB 0.0 (10/90) 0.0 113 SAFETY C MOV-SI-1869A/

INJECTION l-SI-174 0.079 (10/90) 0.0 (12/90) 088729/Tightened fittings 114 RECIRC AND C 1-RT-40 0.0 (10/90) 0.0 TRANSFER 1-RT-44 0.0 (10/90) 0.0 ELECTRICAL B 0-RING 0.586 ( 11/90) 0.0586 (12/90)

PENETRATIONS PERSONNEL HATCH B AIRLOCK 3.86 (11/90) 2.13 (12/90)

EQUIPMENT HATCH B AIRLOCK 0.0 (12/90) 0.0 FUEL TRANSFER B 0-RING 0.0 (10/90) 0.0 (11/90)

TUBE 8 OF 8

ATTACHMENT 8.1 {E) 1991 TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT/ PRE-REPAIR POST-REPAIR W.O. NO./REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH)

PERSONNEL HATCH B AIRLOCK 2 .14 (06/91) 2.14 0.0 (12/91) 0.0 EQUIPMENT HATCH B AIRLOCK 1. 74 (05/91) 1. 74 1.43 (11/91) 1.43 1 OF 1

ATTACHMENT 8.1 (Fl 1992 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT£ PRE-REPAIR POST-REPAIR W.O. NO. £REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 7 SAFETY C 1-SI-150/

INJECTION MOV-SI-1867C/

NORMAL HDR MOV-SI-1867D 0.11 (03/92) 0.0 (04/92) 15 eves NORMAL C MOV-CH-1289A 0.0 (03/92) 0.15 (04/92)

HDR l-CH-309 0.0 (03/92) 0.0 19 SEAL WATER C MOV-CH-1381 o.o (03/92) o.o (04/92)

FROM RCP 20 SAFETY C 1-SI-32 0.0 {03/92) 0.0 INJECTION ACC MAKEUP 21 HIGH HEAD C MOV-SI-1842 0.54 (03/92) 0.58 {04/92)

SAFETY INJECTION TO COLD LEG 22 RECIRC. & C 1-RT-21 o.o {03/92) 0.0 TRANSFER 1-RT-25 0.0 (03/92) 0.0 23 HIGH HEAD C MOV-SI-1869B 0.69 (03/92) 0.0 {04/92)

SAFETY INJECTION TO HOT LEG 1 OF 8

ATTACHMENT 8.1 (F) 1992 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENTl PRE-REPAIR POST-REPAIR w.o. NO.lREPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 24 RHR TO RWST C MOV-RH-100 0.42 (03/92) 0.23 (04/92) 28 RCS LETDOWN C TV-CH-1204A

• 0. 0 (03/92) 0.0 TV-CH-1204B 0.11 (03/92) 0.11 32 GASEOUS C TV-GW-106 a.a (03/92) 0.0 WASTE TV-GW-107 a.a (03/92) o.o 33 PRIMARY C TV-DG-108A a.a (03/92) 0.0 DRAINS TV-DG-108B 0.0 (03/92) 0.0 (04/92)

TRANSFER TANKS 38 AERATED C TV-DA-100A 78.0 (03/92) a.a (04/92) 124873/0verhaul DRAINS TV-DA-100B 0.12 (03/92) a.a (04/92) 42 SERVICE AIR C 1-SA-60 a.a (03/92) a.a 1-SA-62 a.a (03/92) 0.0 43 RADIATION C TV-RM-100A a.a (03/92) 0.0 MONITORING 1-RM-3 0.155 (03/92) 0.155 44 RADIATION C TV-RM-100B 0.14 (03/92) 0.14 MONITORING TV-RM-lOOC 0.1 (03/92) 0.1 2 OF 8

'e,

ATTACHMENT 8.1 (Fl 1992 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR w.o. NO.[REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 45 PRIMARY GR. C 1-RC-160 17.25 (03/92} 16.0 (04/92} 124755/0verhaul WATER TV-RC-1519A 0.0 (03/92} 0.0 (04/92}

46 LOOP FILL C FCV-CH-1160 37.2 (03/92} 0.45 (04/92} 124514/Replaced HDR plug 47 INST AIR C 1-IA-939 0.0 (03/92} o.o SUPPLY TV-IA-100/

1-IA-446 0.0 (03/92} 0.0 (03/92}

48 PRIMARY C TV-VG-109A 0.4 (03/92) 0.4 VENT HDR TV-VG-109B 0.0 (03/92} 0.0 (04/92}

50 SAFETY C TV-SI-101A 0.0 (03/92} 0.0 INJECTION TV-SI-101B 0.0 (03/92) o.o (04/92)

ACCUM VENT 51 RSHX SERVICE C 1-SW-206 0.0 (03/92} 0.0 WATER DRAIN 1-SW-208 o.o (03/92} 0.0 53 N2 TO PRT C TV-SI-100 0.14 (03/92} 0.14 l-SI-234 o.o (03/92) 0.06 (03/92) 54 PRIMARY VENT C 1-VA-1 0.18 (03/92} 0.18 POT VENT 1-VA-6 0.12 (03/92} 0.12 3 OF 8

ATTACHMENT 8.1 (F) 1992 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENTl PRE-REPAIR POST-REPAIR w.o. NO. lREPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 55A LEAKAGE C TV-LM-100A,E 57A MONITORING TV-LM-100C,G 0.0 (03/92) o.o 97C TV-LM-lOOB,F 105D TV-LM-100D,H 0.0 (03/92) 0.0 56A SAMPLING C TV-SS-lOOA 0.145 (03/92) 0.145 SYSTEM TV-SS-lOOB 0.0 (03/92) 0.0 56B SAMPLING C TV-SS-102A o.o (03/92) o.o SYSTEM TV-SS-102B 0.0 (03/92) 0.0 56D SAMPLING C TV-SS-106A 0.21 (03/92) 0.03 (04/92) 124870/Replaced SYSTEM TV-SS-106B 0.0 (03/92) 0.0 valve 57B SAMPLING C TV-SS-104A 0.0 (03/92) o.o SYSTEM TV-SS-104B o.o (03/92) o.o 57C SAMPLING C TV-SS-lOlA 0.06 (03/92) 0.06 (03/92)

SYSTEM TV-SS-lOlB 0.0 (03/92) 0.0 57D HRSS RETURN C TV-DA-103A 0.4 (03/92) 0.23 (03/92) 124512/Repacked TV-DA-103B 0.72 (03/92) 0.18 (03/92) 124513/Repacked 58 INST AIR C 1-IA-938 0.07 (03/92) 0.07 2-IA-446 0.0 (03/92) o.o 60 LOW HEAD C MOV-SI-1890A 0.9 (03/92) 0.0 (04/92)

SAFETY INJECTION TO HOT LEG 4 OF 8

ATTACHMENT 8.1 (F) 1992 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT/ PRE-REPAIR POST-REPAIR W.O. NO./REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE ( SCFH) 61 LOW HEAD C MOV-SI-1890C 9.32 (03/92) 0.0 (04/92) 124460/0verhaul SAFETY INJECTION TO COLD LEG 62 LOW HEAD C MOV-SI-1890B 0.4 (03/92) 1. 38 (04/92)

SAFETY INJECTION TO HOT LEG 63 CONTAINMENT C MOV-CS-101C/

SPRAY PUMP MOV-CS-lOlD 1. 75 (03/92) 0.0 (04/92)

DISCHARGE 1-CS-24 o.o {03/92) o.o (03/92) 64 CONTAINMENT C MOV-CS-101A/

SPRAY PUMP MOV-CS-lOlB 0.0 (03/92) 0.0 (04/92)

DISCHARGE l-CS-13 o.o (03/92) 0.0 66/67 RECIRC C MOV-RS-155A/

SPRAY MOV-RS-155B 0.17 (03/92) 0 .17 SUCTION 68/69 SAFETY C MOV-SI-1860A/

INJECTION MOV-SI-1860B 3.05 (03/92) 1. 3 (03/92)

SUCTION 70 RECIRC C MOV-RS-156B 0.08 (03/92) o.o (04/92)

SPRAY PUMP 1-RS-11 0.0 (03/92) 0.42 (04/92)

DISCHARGE 5 OF 8

ATTACHMENT 8.1 (Fl 1992 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR w.o. NO.[REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 71 RECIRC C MOV-RS-156A 0.0 (03/92) 0.06 (04/92)

SPRAY PUMP 1-RS-17 0.03 (03/92) 0.03 DISCHARGE 89 AIR EJECTOR C TV-SV-102A 1.1 (03/92) 1.1 DISCHARGE 1-VP-12 0.35 (03/92) 0.35 90 CONTAINMENT C MOV-VS-lOOC,D/

PURGE EXHAUST MOV-VS-101 0.0 (03/92) 0.0 (04/92) 91 CONT. PURGE C MOV-VS-lOOA,B/

SUPPLY MOV-VS-102 0.4 (03/92) o.o (04/92) 92 CONTAINMENT C TV-GW-100 o.o (03/92) o.o VACUUM PUMP TV-GW-101 0.0 (03/92) 0.0 TV-CV-150C 0.3 (03/92) 0.06 (04/92)

TV-CV-150D 0.5 (03/92) 0.5 93 CONTAINMENT C TV-GW-104 o.o (03/92) o.o VACUUM PUMP TV-GW-105 o.o (03/92) 0.0 TV-CV-150A 0.0 (03/92) 0.0 TV-CV-150B o.o (03/92) 0.0 94 CONTAINMENT C 1-CV-2 0.0 (03/92) 0.0 (04/92)

HOGGER HCV-CV-100 0.58 (03/92) 0.58 96 RECIRC AND C 1-RT-2 0.0 (03/92) 0.0 TRANSFER 1-RT-6 0.0 (03/92) 0.0 6 OF 8

ATTACHMENT 8.1 (F) 1992 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR w.o. NO.[REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 97B SAMPLING C TV-SS-103A o.o (03/92) 0.0 SYSTEM TV-SS-103B o.o (03/92) 0.0 100 GASEOUS C TV-GW-102 0.0 {03/92) 0.0 WASTE TV-GW-103 0.0 {03/92) 0.0 101 FIRE C 1-FP-151 0.0 {04/92) 0.0 PROTECTION 1-FP-152 0.11 (04/92) 0.11 103 REACTOR C 1-RL-3/

CAVITY 1-RL-5 0.0 (03/92) 0.0 PURIFICATION 104 REACTOR C 1-RL-13 0.0 (03/92) 0.0 (04/92)

CAVITY 1-RL-15 0.0 ( 03 /.92) o.o (04/92)

PURIFICATION 105C POST ACC C TV-GW-lllA 0.0 {03/92) 0.0 SAMPLING TV-GW-lllB o.o (03/92) 0.0 106 SAFETY C 1-SI-73 0.0 (03/92) 0.0 (04/92)

INJECTION TEST LINE 112 CONTAINMENT C TV-IA-101A 0.0 {03/92) 0.0 (04/92)

INST AIR TV-IA-lOlB 0.19 (03/92) 0.0 (04/92) 113 SAFETY C MOV-SI-1869A/

INJECTION 1-SI-174 o.o (03/92) 0.11 (04/92) 7 OF 8

ATTACHMENT 8.1 (F) 1992 REFUELING TYPE BAND C LEAKAGE HISTORY PENETRATION TYPE EQUIPMENT[ PRE-REPAIR POST-REPAIR W.O. NO.[REPAIR NO. TEST VALVES TESTED LEAKAGE (SCFH) LEAKAGE (SCFH) 114 RECIRC AND C 1-RT-40 0.0 (03/92) 0.0 TRANSFER 1-RT-44 0.0 (03/92) 0.0 ELECTRICAL B 0-RING 0.3705 (03/92) 0.3705 PERSONNEL HATCH B AIRLOCK 0.0 (01/92) 3.5 (04/92)

EQUIPMENT HATCH B AIRLOCK 1. 431 (03/92) 0.0 (04/92) 116732/Replaced a-rings FUEL TRANSFER B 0-RING o.o (03/92) o.o (04/92)

TUBE 8 OF 8

9.0 AS-FOUND CILRT ANALYSIS An As-Found analysis has been performed on the CILRT. The purpose is to determine what the actual CILRT leakage rate would be if the CILRT had been performed at the beginning of the outage prior to any repairs to Type Band C penetrations.

The As-Found analysis is performed using the following criteria: *

1) The leakage savings was calculated for each penetration that was repaired and/or replaced.

2) The leakage savings is the difference between the pre-repair minimum pathway and post-repair minimum pathway leakages.

3) Minimum pathway leakage is the lowest leakage of the inside or outside valve grouping for the penetration in question.

4) If there were no repairs or replacements, a zero leakage savings is assessed to the penetration.

5) If the post-repair minimum pathway leakage is greater than pre-repair minimum pathway leakage, a

• 6) leakage savings of zero is assigned to the penetration.

The net leakage savings (wt %/day) is added to the final CILRT test results.

An analysis was performed on those penetrations that are considered credible leakage paths during the first hour of the accident, prior to the containment returning to subatmospheric pressure. The penetrations identified by note 1 through 3 in Attachment 9.1 are excluded as credible leakage sources. The analysis and technical justification for excluding these specific penetrations was approved by the NRC in correspondence dated November 21, 1988 (serial #88-787).

As noted in Attachment 9.1, the as-found CILRT leak rate was 0.039542 wt %/day which satisfies the acceptance criteria of 10CFR50, Appendix J.

9.1

., ATTACHMENT 9.1 1992 "AS-FOUND" CILRT LEAKAGE

SUMMARY

PENETRATION PRE-REPAIR POST-REPAIR LEAKAGE REMARK NUMBER MINIMUM MINIMUM SAVINGS PATHWAY PATHWAY LEAKAGE LEAKAGE 7 0.11 0.0 0.0 NOTE 1 15 o.o o.o 0.0 19 o.o o.o o.o 21 0.54 0.58 o.o 23 0.69 o.o 0.0 NOTE 1 24 0.42 0.23 0.19 33 0.0 o.o o.o 38 0.12 o.o 0.12 45 0.0 0.0 0.0 46 37.2 0.45 0.0 NOTE 1 47 0.0 0.0 o.o 48 0.0 0.0 0.0 50 0.0 0.0 0.0 53 0.0 0.06 0.0 56D 0.0 0.0 o.o 57C 0.0 o.o 0.0 57D 0.4 0.18 0.22 60 0.9 0.0 0.0 NOTE 2 61 9.32 o.o 0.0 NOTE 2 62 0.4 1.38 0.0 NOTE 2 63 0.0 0.0 0.0 64 0.0 o.o o.o 68/69 3.05 1.3 0.0 NOTE 3 70 o.o 0.0 0.0 71 0.0 0.03 0.0 90 0.0 0.0 0.0 91 0.4 o.o 0.4 92 0.3 0.06 0.24 94 o.o 0.0 o.o 106 o.o 0.0 0.0 112 0.0 o.o 0.0 113 0.0 0.11 0.0 1 OF 3

• • PENETRATION PRE-REPAIR ATTACHMENT 9.1 1992 "AS-FOUND" CILRT LEAKAGE

SUMMARY

POST-REPAIR LEAKAGE REMARK NUMBER MINIMUM MINIMUM SAVINGS PATHWAY PATHWAY LEAKAGE LEAKAGE ELECTRICAL 0.3705 0.3705 o.o FUEL TRANSFER 0.0 o.o 0.0 PERSONNEL HATCH 0.0 3.2 0.0 EQUIP HATCH 1.431 o.o 1.431 TOTAL LEAKAGE SAVINGS= 2.601 SCFH TOTAL LEAKAGE SAVINGS= 0.000857 WT %/DAY

• AS-FOUND CILRT RESULTS:

A.

B.

FINAL TYPE A TEST RESULTS TOTAL LEAKAGE SAVINGS 0.038685 0.000857 wt %/day wt %/day

c. AS-FOUND CILRT RESULTS 0.039542 wt %/day 2 OF 3

• NOTES:

ATTACHMENT 9.1 (CONTINUED) 1992 "AS-FOUND" CILRT LEAKAGE

SUMMARY

1) This line is from the charging pump header and is used to supply the loops. The charging pumps are used as the high head safety injection pumps and this line (penetration) remains pressurized during post accident conditions. The eves system valves, piping and components have been designed to permit essentially zero leakage. Periodic ~urveillance is performed to verify that leakage is within specifications. Reference Surry USFAR Section 6.2.3.10, External Recirculation Loop Leakage.

2) This line is from the low head safety injection pump header and is used to supply the loops and this line (penetration) remains pressurized during post-accident conditions. The safety injection system valves, piping and components have been designed to permit essentially zero leakage. Periodic survei-llance is performed to verify that leakage is within specification. Reference Surry UFSAR Section 6. 2. 3 .10, External Recirculation Loop Leakage.

3) This is the sump suction line to the low head safety injection pump. The sumps lines are filled with water and would prevent atmospheric out leakage either through operation and/or static head. The SI system valves, piping and components have been designed to permit essentially zero leakage. Periodic surveillance is performed to verify that leakage is within specifications. Reference Surry UFSAR Section 6.2.3.10, External Recirculation Loop Leakage.

3 OF 3

,.*.,- *