ML20023D417

Reactor Containment Bldg Integrated Leak Rate Test,820929- 1001

ML20023D417
Person / Time
Site:	Maine Yankee
Issue date:	05/16/1983
From:	Giggey C Maine Yankee
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ML20023D414	List: ML20023D413 ML20023D417
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NUDOCS 8305200473
Download: ML20023D417 (77)

Text

, _ - _ _ _ _ _ - _ _ _ _ _ _

MAIE YANKEE ATOMIC POWER COMPANY

• REACTOR CONTAINENT BUILDING INTEGRATED LEAK RATE TEST SEPTEMBER 29 - OCTOBER 1, 1982 e

Clayton A. Giggey Performance Engineer Technical Advisors Lincoln J. Speed Edmund C. Tarnuzzer e

B305200473 830516 PDR ADOCK 05000309 p

PDR l.

1 TABLE OF CONTENTS

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LIST OF FIGURES 11 LIST OF TABLES APO GRAPHS iii i

I.

REFERENCES 1

1 II.

INTRODUCTION III.

CLASS B & C PEETRATION TESTS 1

IV.

CLASS A TEST EQUIPENT 7

V.

CLASS A TEST INSTRUENTATION 7

VI.

INITIAL PLANT CONDITIONS 8

VII.

CHRONOLOGY OF CLASS A TEST 9

VIII.

ANALYSIS OF CLASS A TEST RESULTS 9

IX.

CLASS A TEST INSTRUENT RESPONSE VERIFICATION 11 X.

CLASS C TEST RESULTS ON NON-SEISMIC PEETRATIONS - APPENDIX A 18 XI.

CLASS A TEST PROCEDURE - APPENDIX B 21

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FIGURES b

FIGURE I CONTAIN!fNT AIR PRESSURIZING 12 l

EQUIP!ENT FIGURE II FLOW DIAGRAM OF SERVICE AIR 13 SYSTdM USED FOR FGF BACK 1

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11 i..

6 TABLES & GRAPHS

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Page TABLE I 1980 CLASS B & C LEAK TEST DATA 3

TABLE II 1981 CLASS B & C LEAK TEST DATA 5

TABLE III 1982 CLASS A TEST DATA 14 GRAPH I

~28 PSIG TEST DATA 16 Includes:

a.

Q hourly I

b.

T hourly l

c.

Pt hourly.

d.

Pv hourly GRAPH II CLASS A TEST INSTRUENT RESPONSE 17 VERIFICATION l

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l iii l'""-'

i I.

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

Maine Yankee Technical Specifications, Section 4.4, Containment Testing.

FSAR Section 5.1, Reactor Containment.

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

NRC Region I Inspection Report Number 50-309/82-18.

II.

INTRODUCTION The fourth Class A Containment Leak Rate Test conducted at Maine Yankee was performed at the beginning of the 1982 Refueling Outage between September 29 and October 1, 1982.

The Maine Yankee Reactor Containment Building is a totally reinforced concrete structure with a steel liner. The structure takes the shape of a right

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circular cylinder rising 102 feet above the foundation including the hemispherical head. The cylinder has 135 foot I.D. with 4 feet-6 inch walls.

The dome has an inside radius of 67 feet-6 inches and a thickness of 2 feet-6 inches.

The steel liner acts as an impervious membrane against pressure and transmits loads to the reinforced concrete under normal test and design accident

. conditions.

The structure is designed for 55 psig at 2800F and was pneumatically pressure tested at 63.25 psig in August, 1972 and at 28 psig in May, 1975 and September, 1979.

The structural design employes three basic types of penetrations, namely; Electrical, Piping, and Hatches. The Electrical penetrations, hatches and the aerated vent header pipe penetration are either sealed with double 0-rings and/or gaskets and therefore, are Class B penetrations.

The piping penetrations are classified Class C penetrations.

Since the last Class A test performed in September, 1979, two Class B & C tests have been performed and a continuous Leak Rate Monitoring System has been in operation.

III.

CLASS B & C PENETRATION TESTS As required by Appendix J, 10 CFR 50, routine leak tests were performed on applicable containment seals and isolation valves at a pressure equal to or j

greater than Pa. These tests are conducted in accordance with approved plant procedures in the 3.17.4 series. Leak rates are computed in Ibm air per day 0 55 psig which is the Containment design pressure.

Leakage through all Class B and C penetrations when summed must be less than 0.60 La. The Maine Yankee Operating License specifies that the value of La is l

0.10% per day at Pa, the peak accident pressure. Per the initial Class A Test at Pa, the mass of contained air is 629,437.8 lbm G 1000F. Therefore, the maximum mass loss at Pa per day from the Containment is; 4 -. _ -

La X Mass of AirPa = Allowed Mass Loss Per Day 0 Pa O.0010 X 629,437.8 lbm = 629.44 lbm Air Per Day Maximum Class B & C Penetration Leakage is 0.60 La; 0.60 X Allowed Mass Loss Per Day @ Pa 0.60 X 629.44 = 377.66 lbm Two Class B & C Leak Tests have been performed since the last Class A test in 1979. The first was performed in 1980 and showed a total calculated as left leak rate of 145.78 lbm/ day at Pa (See Table I).

The second test completed in 1981 showed an as left leak rate of 136.84 lbm/ day (See Table II). As can be seen, the as left conditions are well within the required limits of 0.60 La.

It should be noted that in 1981, four containment penetrations had excessive leakage which were unmeasurable when tested with our leakage testing equipment.

In all four instances, the penetrations experienced a single value failure which prevented the penetrations from being pressurized so they could be tested. After repairs on the failed valves were completed, the penetration tests were performed with satisfactory results.

It should also be noted here that during normal reactor operation between the 1980 and the 1981 Class B and C Leak Tests, a continuous leak rate monitoring program was in operation and it showed no indication of air leakage out of containment.

TABLE I 1980 CLASS B & C LEAK TEST DATA Leakage Ibm air Procedure Penetration Date No.

Title Class As Found As Left Last Test 3.17.4.1 Purge Exhaust Duct C

21.9 0.81 12/18/80 3.17.4.2 Purge Supply Duct C

2.41 6.4 12/3B/80 3.17.4.3 Equipment Hatch B

0.208 0.208 1/17/80 1

3.17.4.4 Electrical Penetrations B

5.62 5.62 1/20/80 (Total of 97) 3.17.4.5 Leak Test Connection B

0.24 0.24 1/27/80 3.17.4.6 Personnel Air Lock B

5.97 5.97 10/16/80 3.17.4.7 Sample System Header C

4.16 0.00 1/21/80 3.17.4.8 Primary Drain Header C

1.33 1.33 1/27/80 3.17.4.9 Containment Sump Discharge C

0.52 0.52 1/22/80 3.17.4.10 Missile Prone and Penetration C

24.3 24.3 2/12/80 Cooling Loops

~.

3.17.4.11 Deleted 3.17.4.12 Containment Air Cooling C

34.16 34.16' 2/1/80 Header In & Out 3.17.4.13 Primary Water Header C

0.63 0.63 1/22/80 3.17.4.14 Refueling Purification Header C

0.93 0.93 2/29/80 3.17.4.15 Charging & Seal Water Lines C

5.54 5.54 1/22/80 3.17.4.16 Seal Water Return Header C

7.74 7.74 2/1/80 i

3.17.4.17 RCS Letdown Header C

1.9 1.9 1/28/80 3.17.4.18 RHR Letdown Header C

13.25 13.25 1/20/80 3.17.4.19 SI Tk. Drain & RHR Recire. Line C 12.84 12.84 1/21/80 3.17.4.20 Service Air Header C

0.00 0.00 1/30/80 3.17.4.21 Auxiliary Instrument Air Header C 2.76 2.76 1/29/80 1

3.17.4.22 Post Accident Purge Header C

0.97 0.97 1/25/80 3.17.4.23 Containment. APD & Gas C

0.00 0.00 1/25/80 Monitor Inlet.

TABLE I 1980 CLASS B & C LEAK TEST DATA Leakage Ibm air Procedure Penetration Date No.

Title Class As Found As Left Last Test i

3.17.4.24 Containment APD & Gas C

1.3 1.3 1/25/80 Monitor Return 3.17.4.25 Aerated Vent Header 8

2.96 2.96 1/26/80 3.17.4.26 Continuous SG Blowdown Lines C

0.00 0.00 3/4/80 3.17.4.27 SG Drain Header C

1.18 1.18 2/3/80 3.17.4.28 SG Chemical Feed Lines C

0.00 0.00 1/23/80 3.17.4.29 Leak Monitoring Header C

0.048 0.048 1/25/80 3.17.4.30 Auxiliary Steam Header C

6.06 6.06 10/6/80 3.17.4.31 Containment Pressure C

0.12 0.12 1/18/80 Switch Header 3.17.4.32 Primary Vent Header C

0.42 0.42 1/26/80 3.17.4.33 CO2 Header C

7.39 7.39 1/17/80 3.17.4.34 Nitrogen Supply Header C

0.06 0.06 1/30/80 3.17.4.35 Fuel Transfer Tube Flange &

B 0.12 0.12 3/3/80 Bellows Seal CALCULATED LEAKAGE LBM 167.036 145.78 MAX ALLOWABLE LEAKAGE LBM 377.66 l

TABLE II 1981 CLASS B & C LEAK TEST DATA s

Leakage Ibm air Procedure Penetration Date No.

Title Class As Found As Left Last Test 3.17.4.1 Purge Exhaust Duct C

0 0

7/7/81 3.17.4.2 Purge Supply Duct C

unmeasurable 0

7/4/81 3.17.4.3 Equipment Hatch B

0.09 0.09 5/27/81 3.17.4.4 Electrical Penetrations)

B 45.85 1.18 6/24/81 (Total of 97) 3.17.4.5 Leak Test Connection B

0.30 0.30 5/27/81 3.17.4.6 Personnel Air Lock 8

7.3 7.3 11/24/81 3.17.4.7 Sample System Header C

unmeasorable 1.03 5/18/81

=

3.17.4.8 Primary Drain Header C

0 0

5/19/81 3.17.4.9 Containment Sump Discharge C

1.36 1.36 5/19/81 3.17.4.10 Missile Prone and Penetration C

61.68 49.64 5/20/81

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Cooling Loops 3.17.4.11 Deleted 3.17.4.12 Containment Air Cooling C

unmeasurable 7.04 6/11/81 Header In & Out 3.17.4.13 Primary Water Header C

3.74 3.74 5/20/81 3.17.4.14 Refueling Purification Header C

0.64 0.64 6/7/81 3.17.4.15 Charging & Seal Water Lines C

10.1 10.1 5/21/81 3.17.4.16 Seal Water Return Header C

1.52 1.52 5/20/81 5/22/81 3.17.4.17 RCS Letdown Header C

1.54 1.54 3.17.4.18 RHR Letdown Header C

5.7 5.7 5/18/81 3.17.4.19 SI Tk Drain & RHR Recirc. Line C

0 0

5/18/81 3.17.4.20 Service Air Header C

0.85 0.85 6/11/81 3.17.4.21 Auxiliary Instrument Air Header C 30.9 5.21 5/22/81 3.17.4.22 Post Accident Purge Header C

2.30 2.30 6/25/81 3.17.4.23 Containment APD & Gas C

1.58 1.58 12/9/81 Monitor Inlet

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TABLE II

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1981 CLASS B & C LEAK TEST DATA Leakage lbm air Procedure Penetration Date No.

Title Class As Found As Left Last Test 3.17.4.24 Containment APD & Gas C

45.8 1.64 6/7/81 Monitor Return 3.17.4.25 Aerated Vent Header B

0.73 0.73 6/12/81 3.17.4.26 Continuous SG Blowdown Lines C

1.05 1.05 5/28/81 3.17.4.27 SG Drain Header C

23.3 23.3 5/28/81 3.17.4.28 SG Chemical Feed Lines C

0 0

5/28/81 3.17.4.29 Leak Monitoring Header C

0.03 0.03 5/23/81 1

3.17.4.30 Auxiliary Steam Header C

0.03 0.03 5/23/81 3.17.4.31 Containment Pressure C

0.06 0.06 5/25/81 Switch Header 3.17.4.32 Primary Vent Header C

0.03 0.03 5/23/81 3.17.4.33 CO2 Header C

4.73 4.73 5/25/81 3.17.4.34 Nitrogen Supply Header C

4.54 2.18 5/23/81 3.17.4.35 Fuel Transfer Tube Flange &

B 0

0 6/10/81 Bellows Seal 3.17.4.36 Main Steam (exempt) 3.17.4.37 CS (not approved procedure) 3.17.4.38 SI (not approved procedure) 3.17.4.39 CS Pump Casing Vent Hecder C

unmeasurable 1.94 7/3/81 CALCULATED LEAKAGE unmeasurable 136.84 LBM MAX ALLOWABLE LEAKAGE 377.66 LBM

- I

IV.

CLASS A TEST EQUIPMENT f'.

The required air for this test was provided by five (5) diesel powered air compressors supplied by Atlas-Copco Corporation. Three 1200 SCFM and two 1500 SCFM units were used to pressurize the containment structure at a rate less than or equal to procedural limit of 5 psig/hr. These compressors were chosen because of their oil free delivery.

Maine Yankee maintains a permanently installed manifold for cooling, moisture separating and filtering the air delivered to the containment. Air discharge temperature was regulated by an Aftercooler downstream of the manifold. The Aftercooler, E-95, was used to maintain air temperature near to containment air temperature to reduce stabilization time.

Cooling water was supplied from the Fire Main. During operation, the Aftercooler Moisture Separator Drain was left open to drain condensate.

The Air Receiver, FL-62, downstream of the Aftercooler was filled with sanitary pads to absorb moisture and filter the air.

A diagram of this eg'uipment is shown on Figure 1.

V.

CLASS A TEST INSTRUMENTATION Instruments used at Maine Yankee for this test provide. input data to the Plant Computer, an IBM 1800.

Inputs include the following:

TOTAL PRESSURE:

1 - Exactel Servomanometer Range:

0-160 In Hg Absolute i

Reading accuracy: To 0.004 In Hg Electrical Output:

0-500 mvde Compensation: Temperature Uncertainty:

+ 0.01 In Hg VAPOR PRESSURE:

1 - Foxboro Type 2711 Dew Cell Lithium Chloride Activated Range: 20 - 1200F Dew Point Uncertainty + 1 F from Dew Point Output:

10 - 50 ma NOTE:

Vapor pressure is calculated by the Maine Yankee Computer by applying Dew Point temperatures to a forth order polynomial steam table fit.

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1 l

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TEMPERATURE:

12 - Precision Platinum RTD's

)

i Range:

30 - 150oF Accuracy: To 0.loF.

NOTE:

Average Containment Air Temperature is calculated by the Maine Yankee Computer by applying volumetric weighting factors to each of the 12 inputs.

An analysis of the total instrument uncertainty was conducted in 1972 and was included in the Summary Technical Report submitted in September 1972.

NOTE: 10CFR50, Appendix J does not require re-evaluation unless Class A Test fails.

VI.

INITIAL PLANT CONDITIONS The plant was placed in a refueling shutdown condition during the last week in September, 1982.

Pre Class A Test preparation work included venting of the Pressurizer Quench Tank, the Safety Injection Tanks, and the Reactor Coolant System. All were vented to the Containment atmosphere.

l The Containment Air Recirculation Fan Dampers were adjusted for high pressure operation to allow continuous operation during the test.

No credit is taken for

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these six units in the Safety Analysis, but they were run to prevent air temperature stratification during the test and to provide a means of air temperature adjustment if necessary.

Two valves on the Leak Monitoring Header were disabled open, LM-A 43 and LM-A-45.

These two CIS' valves were disabled open to permit containment pressure monitoring throughout the test. Upon completion of the Class A Test, a Class C Test'must be performed on this penetration and the results, corrected to Pts added to the Class A Test results.

Part of establishing Containment Integrity per Step 3.21 of the test procedure is to perform a Class C leak test on the Purge Supply Duct Isolation Valves VP-A-1 and VP-A-2.

The test was performed in accordance with an approved procedure 3.17.4.2, Rev. 3.

The leakage across these valves was calculated to be 138.42 lbm/ day, whereas the administrative limit for this penetration was 10.0 lblm/ day. A running total of Class 8 & C test results at this time did not exceed the Tech Spec limit of 0.6 La, 377 lbm/ day.

VP-A-1 was determined to be the cause of the gross leakage and maintenance was performed on that valve. Upon completion of maintenance on the valve, another leak test was performed with accepable results.

Leakage at this point was calculated to be 7.87 lbm/ day, which is below administrative limits.

As required by procedure, an external general containment inspection was conducted just prior to the start of pressurization on September 28.

There were no unusual indications found and no repairs or modifications were necessary. -_-

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VII.

CHRONOLOGY OF CLASS A TESTS I

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The cooling water flow to the Aftercooler was Pressurization began at 2330.

adjusted to provide air into the containment at a temperature equal to the existing air temperature of 880F.

Between 4 and 5 psig, all the containment isolation valves auto closed except BD-T-32, which only closed half way. Prior to continuing with the Class A Test, two manual valves on each side of BO-T-32 were closed to isolate BD-T-32 from the test pressure. To meet Appendix J requirements, the results of a Class C test on this penetration, corrected to P, must be added to the Class A test results.

In this particular instance, t

t Steam Generator #3 is the inside isolation barrier while BD-T-32 is the outside isolation barrier. Since the Steam Generators are not vented and that there are no tube leaks in any of the three Steam

• Generators, the leakage across this penetration is known to be zero, thus a Class C Test result need not be added to the Class A Test result.

At 5 psig, the air compressors were shut down and a containment entry was made. No signs of water or oil carryover were observed. Pressurization continued after the containment entry and was completed at 1655 on September 29.

Stable conditions were. reached within the 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> minimum stabilizction period so the official data gathering and reduction commmenced at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br /> on September 29. Data gathering for the leakage test was secured at 2100 on September 30, and the Instrument Response Verification was performed.

This verification was successfully completed at 0315 on October 1 and the test was terminated.

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A Release Permit was issued and Containment depressurization commenced at 0600. The Personnel Air Lock was opened at 1600 and personnel entered containment to begin the refueling cutage.

A post test inspection found the containment air to be clear and no equipment damage was noted.

VIII.

ANALYSIS OF CLASS A TEST RESULTS The measured leak rate for this Class A Test at a 95% confidence level was found to be 0.0346% per day at the retest pressure (P ) of 28 psig, but to t

satisfy 10 CFR 50, Appendix J, Paragraph III.A.1 (d), a Class C test was performed for each closed loop, non-seismic penetration and the test results, adjusted to P, were added to the Class A Test results. Refer to Appendix A t

for a list of the affected penetrations and calculations. After adding the results of the closed loop, non-seismic penetration tests to the results of the Class A Test, the leakage rate was calculated to be 0.0405% per day at the retest pressure (P ) of 28 psig. The maximum allowed Operational Leak Rate L o, for t

t this test was 0.0521% per day.

The resulting leak rate, 0.0405% per day, was 78%

of that allowed to pass the test.

The leakage limit was established using data from the initial Class A test in 1972 as directed in section 4.4 of the Maine Yankee Technical Specifications.

The method of determining the leak rate limit is shown below.

a The ratio of leakage to the retest pressure, Ltm, to the leakage at peak accident pressure Lpm was found to be 0.695 in 1972. Because this ratio was less than 0.70 the allowable leakage rate Lt at the retest pressure Pt of 28 psig is calculated as follows:

Lt=La[Ltm)

\\ Lpm /

Lt = 0.10 0.0376 0.0541 Lt = 0.0695 where La is the allowed leak rate in weight percent per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> at 50 psig.

The allowable Operational Leak Rate Lto is defined at 0.75 Lt.

Therefore, the measured leak rate during the Class A Test must not exceed (0.75) (0.0695) = 0.0521% per day Throughout this test all critical data was stored on a computer disc storage unit.

A computer program was used which would recall needed data from the storage discs and update the leak rate with a 95% confidence level. This program provided an updated leak rate each hour.

A comment was made by the visiting NRC Inspector that there should be provisions in the Class A Test procedure for monitoring liquid levels in containment tnat can vary and therefore, change the containment free volume During the 1982 Class A Test, the levels of the Pressurizer and the Containment Sump were Iecorded in the sequence of events log prior to, and upon completion of the test.

Prior to the test, the Pressurizer level was 45% and the Containment Sump level was 1.8 feet.

Upon completion of the test, the Pressurizer level was 44% and the Containment Sump level was 2.0 feet.

The Pressurizer has'a total volume of 1500 ft. A decrease of 1% increases 3

3 the containment free' air volume by 15 ft. Using information from the Maine Yankee Technical Data Book, a change in the Containment Sump from 1.8 feet to 2.0 feet increases the sumg volume from 105 gallons to 110 gallons. Using the conversion factor 1 ft# 7.481 gallon, an increase in the Containment Sump from 3

1.8 ft to 2.0 feet decreases the containment free air volume by.668 ft.

The net volume change due to level changes in the Pressurizer and the Containment Sump is an increase of 14.33 ft.

This is an increase of.00077%

3 of the total volume.

An increase in the containment volume that is not reflected within the calculations would result in a drop in the Containment Weight of Air, thus a larger leak rate.

This is the case for the leakage rate calculated for the 1982 l

Class A. Test.

Therefore, since tne leakage rate computed is conservative and that the change in the containment free volume is very small, the volumetric change was not incorporated in the calculations used to compute the leakage rate.,

=_ _-

+

IX.

CLASS A TEST INSTRL)ENT RESPONSE VERIFICATION

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Verificat. ion of the instrument response to a sudden mass change was conducted subsequent to the Class A Test. An air mass approximately equal to one half,the allowed daily air leakage, 0.5 Lto, was selected for this verification. This i

value is approximately 150 lbm of air.

At 0221 hours0.00256 days <br />0.0614 hours <br />3.654101e-4 weeks <br />8.40905e-5 months <br /> on October 1, an air change of 539 ft3 was metered into the containment using a permanently installed AL2300 Gas Meter made by the American Meter Company.

This air charge was metered in under the following conditions:

Barometric Pressure'- 30.14 In Hg Gage Pressure 50 psig Base Temperature

- 600F Actual mass charged is calculated as follows:

4L Qp (1.325) (2.036 Pg + Pb) xV Tg + 459.6 Total mass of air charged Qp = 153.36 lbm.

Refer to Figure-II for air charging hardware.

As shown in Graph II, values of Q were plotted prior to and after the air mass charge.

These points were averaged before and after the mass charge. The resultant A Q as shown by the test instrumentation was 156.0 lbm air. The resulting disparity was 2.64 lbm of air or 1.72% error, which is well within the acceptance criteria specified in the Class A Test Procedure 3.17.1, Rev. 3.

Please refer to 3.17.1, Rev. 3 for a more detailed explanation ~of the Pump Back Method and the derivation of the formula used to compute the mass of air charged.

Prior to the Class A Test, the Gas Displacement Meter was shipped to the American Meter Lab in Waltham, Massachusetts.

The as found.and as left error was 1.5% which is within acceptable accuracy.

4.

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TABLE III f

1982 CLASS A TEST DATA Q

PT Py PA T

Klbm DATE TIE IN HG ABS IN HG ABS IN HG ABS OF HOURLY AVG 9/29/82 2100 88.197

.811 87.386 88.107 392.392 2200 88.169

.810 87.359 88.016 392.353 2300 88.147

.795 87.352 87.926 392.373 9/30/82 0000 88.122

.804 87.318 87.771 392.340 0100 88.100

.794 87.306 87.722 392.315 0200 88.080

.785 87.295 87.605 392.310 0300 88.069

.787 87.282 87.586 392.305 0400 88.052

.799 87.253 87.510 392.288 0500 88.033

.775 87.258 87.453 392.270 1

0600 88.022

.779 87.243 87.422 392.267 0700 88.005

.775 87.230 87.363 392.232 0800 87.997

.767 87.230 87.288 392.236 0900 87.980

.764 87.216 87.297 392.186 1000 87.975

.762 87.213 87.277 392.186 TABLE III 1982 CLASS A TEST DATA

(

Q PT Py PA T

Klbm DATE TIME IN HG ABS IN HG ABS IN HG ABS oF HOURLY AVG 9/30/82 1100 87.975

.764 87.211 87.216 392.208 1200 87.975

.760 87.215 87.160 392.248 1300 87.975

.759 07.216 87.161 392.276 1400 87.980

.766 87.214 87.132 392.293 1500 87.977

.766 87.211 87.102 392.322 1600 87.975

.763 87.212 87.059 392.323 1700 87.966

.764 87.202 87.030 392.330 1800 87.950

.762 87.188 86.993 392.319 s.

1900 87.939

.754 87.182 86.940 392.280 2000 87.919

.762 87.157 86.871 392.264 2100 87.908

.757 87.151 86.865 392.256 e -_-

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CLASS C TEST RESULTS ON NON-SEISMIC PENETRATIONS APPENDIX A

)

Proc.

Penetration Name L.R.

No.

lbm/ day 3.17.4.8 Primary Vent Header 4.08 i

3.17.4.9 Containment Sump Discharge Line

.93 3.17.4.10 Component Cooling System 13.67 3.17.4.13 Primary Water Line Part A 0

Part B 20.3 3.17.4.14 Refueling Purification System 4.13 3.17.4.19 S. I. Tank Drain and RHR Recire. Header

.69 3.17.4.20 Service Air Header Part A 6.94 Part B 31.90 3.17.4.21 Auxiliary Instrument Air Header Part A

.67 Part B

.18 3.17.4.23 APD Line

.55 3.17.4.24 APD Return Line Part A

.12 Part B

.36 3.17.4.25 Aerated Vent Header 21.43 3.17.4.30 Auxiliary Steam Header 1.45 3.17.4.32 Primary Vent Header

.30 3.17.4.33 CO2 Header

.24 3.17.4.34 Nitrogen Supply Header Part A 8.49 Part B

.12 O

Penetrations tested in Procedures 3.17.4.13, 3.17.4.20, 3.17.4.21, 3.17.4.24, and 3.17.4.34 are oriented so that there is a check valve inside containment and an isolation valve outside containment. The procedures are written in two parts such that each part tests either the check valve or the isolation valve.

Since each valve was tested individually and a leakage value calculated for each, the lower of the two calculated values was used when adding Class C results to the Class A result.

As for the remaining non-seismic penetrations not listed in the above paragraph, their makeup is such that there is an isolation valve inside containment and an isolation valve outside containment and the penetration is tested by pressurizing between the-isolation valves. The leakage past a single penetration is the combined leakage past the isolation valves. For the purpose of the Class A Test, the worst possible leakage past the isolation valves is one half the calculated leakage (This is a conservative value assuming each valve leaks equally at a rate one half the calculated leakage).

As mentioned under section IV, Initial Plant Conditions, a Class C Test need be performed on the Leak Monitoring Header, Procedure 3.17.4.29, Rev. 3.

Leakage was calculated to be 0.09 lbm/ day. This penetration, as well, has two isolation valves and the penetration is tested y pressurizing between the valves.

For the same reason as discussed in the previous paragrap.h, one half of the leakage is added to the Class A Test result.

When the Class B and C Leak Test Program was developed, an assumption was made in the equations used to calculate the leakage rates.

The assumption was that the air temperature within the penetration during testing is 75oF.

Although this assumption is probably accurate to 2 100F, an error analysis was performed to determine the effects of leak testing penetrations at temperatures other than 75 F prior to adding the non-seismic Class C Test results to the Class A Test results. Substituting in the i loof differential temperature into the leak rate equations and comparing the results to those calculated using 750F, an error of 1 J.3 is derived.

If a 1 2% instrument error for pressure indication as mentioned in ANSI /ANS 56.8 - 1981 is added to the 2 1.9% error calculated for leak testing at a temperature range of 75 1 100F, the total error for the non-seismic Class C Tests is + 3.9%.

This value is also conservative because our instruments are always calibrated to less than 2% error.

Therefore, the maximum total leakage to be added to the Class A Test is 31.lc

+ 1.2 or 32.35 lbm/ day.

Prior to adding the penetration test results to the Ulass A Test results, an extrapolation must be made to determine leakage at '

psig from leakage measured at 55 psig, which is the minimum pressure a Clr-Test is performed at.

The method for performing this extrapolation is baoea on the " Square Root Method" given in Section 4.4, Specification I.B.2 of the Maine Yankee Technical Specifications.

55(P /P )1/2 L28 = L t p L28 = 32.35 (28/55)1/2 L28 = 23.08 lbm/ day.

The 1982 Class A Test yielded a leakage of 0.0346% per day. That is:

0.0346% x WOA 8 28 psig = L.R.

0.000346 x 392,256 = 135.72 lbm/ day Adding the results of the Class C penetration tests to the results of the Class A Test yields:

135.72 + 23.08 = 158.80 lbm/ day

)

Therefore, the resulting leakage rate for the. Class A Test is:

(158.80/392,256) x 100 = 0.0405% per day

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XI.

CLASS A TEST PRDEDURE

(

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NRC RECOMME GATION COMPLETED (REPORT TERMINATED)

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FORC REC 0kNENDATION WMPLETED (REPORT TERMINATED)

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PORC RECOWENDATION COMDLETED (REPORT TERMINATED)

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(REPORT TERMINATED)

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able prints, but shall be submitted to the Secretary of FORC.

Form No. 0-06-2-3 Revised 5/12/82

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Form No. 0-06-2-3 Revised 5/12/82

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Dept. Hetd W Froc. No. 3.17.1 Plt. Mgr.

1. 44 Class.

A PORC

/A '

kev. No.

3 issue Date 8-11-82 Review Date 8-11-84 3.17.1 CLASS A - INTEGRATED CDNTAINMENT LEAK RATE TEST DISC 1]SSION As required by Technical Spt:cification 4.4, the reactor containment will be leak tested to verify 'that containment leakage conforms to specified limits.

Retests shall be conducted at approximately two equal intervals between the IO-year major inservice inspection shutdown.

In addition. e Type A test shall be performed at the end of the 10-year interval, and may coincide with the inservice inspection shutdown.

Retest pressure (P ) shall be 2 28 psig.

Initial pressure will exceed 28 psig t

to assure that post test pressure will De E P.

Test duration shall be governed t

by the time required to reach temperature stabilization after the pump up period plus the actual leak test which must be E 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 6 P.

In any event, test t

duration after pump up should not exceed 50 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />.

The pump up period will be limited by the procedural pres urization rate of 5.0 psig per hour.

In effect, this limit reouces temperature transients during and after the pump up pericd and helps to reduce the time repaired to reach stable conditions.

A detailed diary of activities prior to, during and immedic'ely following the test cycle shall be maintained for review and audit by the Commission.

This diary shall also be the official souI::e of informmation for the " Summary Technical Report" to be submitted at a later date.

Leakage shall be measured using the " Mass Point Method" which requires determination of the total contained weight of air pericoically over the test period and statistically calculating the air weight loss rate over the test period by Least Square Fitting the mass points.

Weight of Air (WOA) is determined by direct pressure, tem, arature and humidity scans performed by the plant computer.

In general the coauter scans the parameter every 10 seconds.

The 10 second values are acct aulated in a 1 minute file which in turn are accumulated in a 5 minute file onc5 per minute.

At 5 minute intervals, this file is averaged and converted to an engineering value.

WOA is then calculated every 5 minutes using the average 5 minute values for pressure, temperature and dew point.

These calculated WOA values are stored and averaged every hour.

The average hourly WOA is provided for use in this test.

The averaged hourly values of WOA will ce recorded and p. totted as official test data.

A Least Square of this data will yield the leak rate (LR) for this test.

Proc. No. 3.17.1

• Ray. No.

3

(

Mitss (Weight of Air) is calculated using the following method; Basic Fom Q

= Pa V x C C = Unit Conversion Factor RT

'Q Weight of Air in Ibm x 103 Pa -

Air Partial Pressure, P -Py, in In Hg absolute.

t Pt -

4 Total absolute pressure in In Hg as measured by the EXACTEL SERV 0MANDETER.

Pv -

Water Vapor Partial Pressure in ln Hg absolute as computed from Dew Point Temperature.

V Free Air Volume of the Containment in Ft3, 1,855,000 Ft3 Ra - Gas Constant, 53.55 ft-lb

• lo OR

~

T Weighted Average Containment Air Temperature in degrees absolute, OR.

(Tog + 456.6)

Exoanded Formula:

Plant Computer

(

(Pt - Pv) (V) (C)

Pt - Py Q

=

=

K (R) (TOF + 459.6)

Tog Formula Variables are determined as follows in the Computer Program;

_ Pressure - The Servomanometer measures absolute pressure (P )

t Vapor Pressure - This variable Py is detemined by measuring Dew Point Temperature (average of three units in the containment).

The average Dew Point Temperature is then fitted to a' curve to compute Py.

_Temoerature - The computer has inputs from 13 RTD's which are assigned volumetric weighting factors.

The 13 weighted temperatures are averaged to obtain the variable T.

I w,

Proc..No. 3.17.'l

. Rev. No.

3 RTO DETECTOR NO.

LOCATION WEIGHTING FACTOR MPX NO.

2002A Dome 0.3297 312 R

2002S Crane Wall above Charging Floor 0.0000 311 R

2002C Crane Wall above Charging Floor 0.1191 310 2002D Crane Wall above Cha:ging Floor 0.0953 309 R

2002E Charging Floor Area 0.1471 308 R

2002F Pressurizer Area 0.0487 307 2002G S.G. E-1-2 Area 0.0234 306 2002H Equipment Hatch Area 0.0234 305 2002J S.G. E-1-3 0.0281 304 R

2002K S.G. E-1-1 0.0520 303 2002L Between FN-17 1 & 2 0.0444 302 2002M Between FN-17 3 & 4 0.0444 301 2002N Between FN-17 5 & 6 0.0444 300 Instrument Specifications:

Plant Comouter Feeds EXACTEL SERV 0 MANOMETER - 1 ea--Type - Precision Cistern Range 160 In Hg Reading Accuracy - to 0.004 In Hg Output 500 mv OC Compensation - Temperature OEW CELLS - 3 each Type - Foxboro 2711 AG-Lithium Chloride Range 12CPF Accuracy T0-50 ma

+ 2%

Output -

RTD'S - 13 ea Type - Precision Platinum Range 15CAF Error'- g 0.loF REFERENCES a) 10 CFT 50, Appendix J - Reactor Containment Leakage Testing for Water Cooled Reactors.

b)

Maine Yankee License, Appendix A, Section 4.4 - Containment Testing.

c)

F.S.A.R. - Sections.5 - Structures and Section 14 - Safety Anal.ysis.

d)

ANSI N45.4-1972

" Leakage-Rate Testing of Containment Structures for Nuclear Reactors".

e)

MYS-4641 - A.E. procedure - Preoperational Reactor Containment Pressure Test, Revision 10-22-71.

f)

First Oraft, Proposed ANSI N274, " Reactor Containment Leakage Testing",

September 25, 1874.

g) 3.17.1 Class A - Integrated Containment Leak Rate Test, Original,1972.

Proc. No. 3.17.1

_4_

Rev. No.

3

(

l.0 OBJECTIVE To verify continuing integrity of the Reactor Containment by establishing that the integrated conteinment leak rate, Lgo, at the retest pressure of 28 psig is less than 0.0521% per day.

This limit was established from initial test data gathered in August,1972 using the criteria specified in the Technical Specifications, Section 4.4 B.2.

2.0 PRECAUTIONS 2.1 Containment air temperature as measured from any of the 13 RTD's inside the building must be a: 600F fer NOTT considerations.

2.2 The maximum allowed pressurization /depressurization rate shall not exceed an.

average of 5.0 psig per hour, or 10.2 in Hg/Hr.

2.3 SIAS, CSAS and RAS actuation must be defeated prior to this test.

NOTE:

CIS actuation will occur and is part" of this test. -

2.4 Air compressors used for this test must be positioned to ' reduce intake of exhaust fumes.

2.5 Continuous blowdown from FL-62 must be maintained during the pump up cycle.

2.6 The Fire System must be operating at all times during the pump up cycle to control air compressor discharge temperature.

2.7 The Primary Component Cooling System must be in operation to provide cooling water to the Containment Recirculation Fan Coolers.

2.8 Plant Computer operations must be controlled to prevent accidental loss of data gathering or storage during this test.

2.9 Containment entries during pressurized conditions shall be governed by the U.S. Navy Decompression Tables or OSHA Standards when applicable.

'~

Proc. No. 3.17.1

• Rev. te.

3 3.0 INITIAL CONDITIONS & FREREQUISITES 3.1 Test equipment has been prepared for operation as per the following; s

3.1.1 The Atlas-Conco air compressors are ready for continuous operation for 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> with adequate fuel oil and lubri-cating oil supplies.

bd

,L m TestSugvp 3.1.2 Air compressor diesel exhaust has been directed away from Q

the air intakes.

hdf,t A iestwpepip 3.1.3 The Fire System is operational and has been set up to provide cooling water to the Aftercooler E-95.

After-cooler E-95 been checked for operation.

/

Ops. / Maint 3.1.4 Air piping, valves and the Air Receiver FL-62 have been cleaned and lubricated.

Maint.

3.1.5 The pressure Control Nalve (SA-P-176) and its ct,ntroller have been callorated and are operational.

L./

1aC 3.1.6 Relief valves SA-S-192 and SA-S-193 have been tested with-A g

in 3 months.

Lift pressures should be 125 psig + 10 psig.

/i. 4 Maint.

3.1.7 Absorbing medium has been installed in FL-62.

Maint.

3.1.8 A pressure gage with a range of at least 0-150 psig has j

been installed on the air supply piping.

/

' '1&C N

INITIAL 3.2 The Containment Recirculation Fans are available to stabilize containment temoerature.

3.3 Containment humidity has been minimized by opration of the Recircu-lation Fans and removal of excessive sump accumulations.

i

3. 4 All containment leak test instrumentation has been checke,d for response, tolerance or calibration as applicable per the folowing; 3.4.1 Containment air temperature sensing loops as follows;

(

ITEM ID DATE INITIAL I&C RTD-2002A q - m-fa s

[>f RTD-20029 9 - 2 0- 8 A d'1/M'

Proc. No. 3.17.1

. Rev No.

3 ITEM ID DATE INITIAL I&C RTD-2002C F te-% 2.

OjY RTD-2002D

% - t.c - s 2 DM

~

RTD-2002E c - te - t.t bW c

RTD-2007

+ - to - S s d/f RTD-2002G 9 - 7 o - s z-Y>./ d RTD-2002H 9

t : -s 2.

b/4 RTD-20023 cc

t. t -e t.

L2./ L RTD-2002K t i-% 2.

41/ "-

RTD-2002L

%-u-s2 NT RTD-2002M c - 3 o - 9 z.

C./-f c

RTD-2002N 9 - 3 o-s t.

1. 2/ /

3.4.2 Containment Dew Point temperature sensing Iceps as folows; ITEM ID DATE INITIAL I&C E-2001A F3-3;-B 2 CJV E-20019 A - 3 ;- 8 2.

(J_ / r E-2001C g

t, -Bx D/Z R

3.4.3 The Service Air Header Instrumentation as follows; ITEM ID DATE INITIAL I&Ec PI-2012,'PT-2012 & PR-2012 9 2.1-8 1 O /I PI-2011 4 u - 8 ;L O/Z.

FI-2001 cf-u - s 7-.

2) /-/

TI-2003 8 9 1

/11 Y TI-20D4 9-e s -S A

_f 2/ Y TI-2005 9- / s - 9 L (VY PR-2013 & PT-2013 9

L7-s 1 Z>> 7 3.4.4

. Containment pressure sensing loop as follows; ITEM ID DATE INITIAL I&fc PIT-2020 N

c 5-91 t

3.4.5 The following instruments shall be checked for proper operation as they will be used for supplementary Information during the test.

ITEM ID Date INITIAL c -t )-9 t b

Manometer - PDI-2001 - High Range c

aC Portable '- Fisher Scientific Barometer 9 B.t.

OMI

~ 1&C Portable - Psychrometer - Bendix Mod. 566

% - 3 1 - 55'2 O)Y

' I&C

Proc. No. 3.17.1

. R5v. No. 3 PCR No.82-320, 82-333

(

f(

3.5 The A&B Train SIAS, RAS, and CSAS Circuits have been blocked using the MCS switenes.

\\

Plano 5nift Supt.

NOTE: This is a normal shutdown requirement.

3.6 The R$ system is operating as per Operating Procedure 1-13-1, RHR Startup and Operation at A 210*F using the SCC cooled heat exchancer, E-38 with a level being maintaineo in tne PCR #

Pressurizer.. The RCS shall be vented to containment atmos-82-320 phere via PS-63 and PS-12 open.

{

Plartt Snirt supt.

3.7 The installed equipment listed below has been removed from the Centainment; ITEM INITIAL Refueling Machine T.V. Monitor

[j[

' I&C WANG Readout Devices

]

' I&C '

Refueling Machine Load Meter and Power Supply I&C Portable T.V. Inspecticn Equipment

' I&C -

3.8 The following equipment shall be vented as required in the order listed below; 3.8.1 Quench Tank in accordance with Procedure OP l-14-1 Section 6.0.

Plant Shift Supt.

3.8.2 Safety Injection Tanks in.accordance with Procedure OP-1-ll-7 Section 7.0.

Plant Shift Supt.

PCR #82-333 3.8.2.1 At completion of Step 3.8.2 open the 4" flange on each Safety Injection Tank.

NOTE:

It will not be necessary to completely remove the manway cover. Remove all but one stud and rotate cover slightly to open tank anc positively fh' secure cover. An MR is required for this work.

/G/G -62 MR NO.

s.

-- - ~~ -- - - - - - - -

-m-

,--n

.-,----,.-.,,,nn

-n w

Proc. No. 3.17.1

- Rev. Ic.

3 TAE

\\

MANWAY

__INITIA MAINTc TK-53-1 Open b./

TK-53-2 Open b'/##

TK-53-3 Open gayM 3.8.3 Vent Equipment listed below:

_ m[ IB93 -82 3.8.3.1 Eanco gear drive box by removing vent plug.

[M MAINT.

3.8.3.2 Refueling Machine gear boxes by removing vent plugs MAINT.

R 3.9 All Steam Generator Manways (Steam Side) have beem checked closed and studs have been retorqued to 350 ft-lbs per Maintenance Procedure 5-14-1 orlor to this test.

NOTE:

Each steam generator has 2 mEnways.

NOTE:

An MR is required for this work.

SG TORQUE

_ INITIAL MAINTJ E-1-1

[d Ft-lbs

,3#

Ft-lbs E-1-2 3N Ft-lbs I#

Ft-lbs E-1-3 3 [8 -

Ft-lbs Ft-lbs j&a?-82, /GG-82 &l'l-N NO..

[

r-ceh.

1 TestSuperg 3.10 The Steam Generators and Main Steam Lines are in Wet Layup per Special Chemistry Procedure 7.212.1.

0;$erations' 3.11 0-30 psig pressure gages have been installed upstream of the Non-Return Valves (tRV) to indicate leakage into the steam generators.

' IE ]

NOTE:

Calibration required within six months prior to use.

(

3.12 The Plant Computer is deemed operational for test data gathering, storage and reduction.

v rau

Proc. No. 3.17.1

• Rev. No.

3 3.13 The Test "Seouence of Events Log" is at hand to record pertinent test data and events, b

',,, w Test Supq;&lp 3.14 The Containment Recirculation Fan inlet vanes have been adjusted for high pressure operation by establishing a 55 amp running current at nomal containment pressure, ~ 16 psia.

j_

Oper8tions 3.15 The Iodine Removal Fan, FN-18, has been shutdown and its ACB is open and W/T'd for the Plant Shift Superintendent.

/

Pl@t Snit t Supt 3.16 The Reactor & Computer Engineering Dept. Fead has been

{#

notifiec that computer coverage should be provided on a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> call-in basis.

R&CE Dept. mac 3.17' Outside weather conditions are such that the test can be conducted with reasonable assurance that conditions such as outside relative humidity will not jeopardize the test gp

(

results.

A r,. d/e c t 13 Test Sup'e so NOTE:

A projected weather forecast should be obtained prior to any firm commitment.

3.18 The Service Air System is operational per Operating Procedure 1-23-1.

1 Lpera 4 ns 3.19 The Personnel Air Lock has been cnecked and deemed operable.

.1 Operations 3.20 Containment Purge has been secured per Operating Procedure 1-12-1, Section 7.0.

/

Operations 3.21 Containment Integrity has been established per Operating Procedure 1-12-5.

40perations 3.22 The CIS Operated Valves listed have been made inoperable in 4

g, the open position.

VALVE PCSITION INITIAL LM-A-43 Open & Inoperable

[fY

(

I&C LM-A-45 Open & Inoperable

[f IEC

Proc. No. 3.17.1

- Rev. No.

3 3.23 The CEDH Cooling Fans have been secured and their A3's are open

& W/T'd for the Plant Shift Superintendent.

ECUIRENT STATUS INITIAL OPS FN-43-1 ACS Open & W/T'd NI FN-43-2 A G Open & W/T'd

//f FN-43-3 ACS Open & W/T'd Y/Z v

3.24 The following pumps have been mace inoperable by opening and White Tagging their breakers for the Plant Snift Superintendent.

EQUIPMENT STATUS INITIAL DP5 Quench Tank P-68A ACS Open & W/T'd b

Quench Tank P-688 ACS Open & W/T'd

(/ 4 Incore Instrument Sump P-90 A G Open & W/T'd kf3 Containment Sump P-13A ACS Open & W/T'd

(<5 Containment Sump P-13B ACS Open & W/T'd M3 Containment APD Pump ACS Open & W/T'd 5

3.25 The following SIAS valves for which we take CIS credit are closed; VALVE NOMENCLATURE POSITION INITIAL s

OP5 LD-N-2 Letdown Isolation Closed LD-T-5 Letdown Trip Closed C(3 CH-A-32 ChaIging Hdr. Isol.

Closed C

CH-A-33 Charging Hdr. Isol.

Closed 3.26 All required automatic data gathering by the Plant Computer is underway to establisn baseline readings and to assure proper operation as per Attachment B.

Computer Engfiest Su rvgog A

3.27 Manual cata gathering has commenced as per Attachment C.

/

s%

t TestSupefysy 3.28 The Initial Conditions and Prerequisites have been reviewed by the Test Supervisor to assure completion and compliance with procedural steps and attachments.

/

,,e.sJA u

Test Supegi y Date cylpp/c?-

Time 869

/. /

n

Proc. No. 3.17.1 Rev. No. 3 PCR No.82-337 3.29 A visual inspection has been made for oovious signs of contain-ment pressure boundary degradation or other system conditions which could jeopardize personnel or equipment during the test.

All deficiencies have been noted in the Sequence of Events Log along with the fix implemented.

7

,',,. u TestSupergor PCR #82.:37 3.30 All personnel have exited containment and guards containment

/

access sheets verify all personnel are out.

_J im TestSupervg 3.31 This document has been reviewed by the Plant Shift Superin-tendent and his clearance has been given to proceed with this test.

PMnt Shlft Supt.

Dper ion Dept. head z

Pt -

O[

', A TestSupgso b Ecd Plano Manager V or Designated Assistant 1

)

Proc. No. 3.17.1 12-Rev. No.,

r 4.0 FROCED' RE - FUMP UP PHASE - CLASS-A - INTEGRATED LEAK RATE TEST J

4.1 Establish cooling water flow via the Fire Main to the Aftercooler E-95 by opening FS-90 and FS-91.

g' OPS G.Ala Test Sup g 4.2 Establish the following valve lineup for air compressor operation:

VALVE POSITION INITIAL 0P5 Cracked Open Nh SA-191 SA-S-192 In Service Cyh SA-S-193 In Service Wh SA-194 Cracked Open eiN>

SA-195 Closed CV>

SA-175 Open rRFP SA-P-176 In Service Mtp SA-183 Open OVD SA-178 Open N7

' ~

SA-181 Closed t cl>

SA-179 Closed GYe >

SA-199 Closed 91)>

Spectacle Flange Open ty,fy SA-180 Closed n't>

4.3 Start the air compressor and let the units run unloaded for 10 minutes.

Time Started / CSS l- ~rs TestSuperg 4.4 Set the Pressure Controller for SA-P-176 for 28 psig and g

open SA-180 at the Equipment Hatch.

F kt, TestSup6gsy 4.5 Load the air compressors, open discharge valves and adjust the rate of pressurization using SA-P-176 and the bypass SA-181 as required to raise Containment pressure 8 :S 5.0 psi per hour (10.2 in Hg per Hour).

b WLL TestSupgVpoq l

' Time 2330 7__,.

Q

Proc. No. 3.17.1 Rev. No.___3 PCR No.,82-334 PCR #82-334 Operator to regulate cooling water flow to control air compres-n n&squ 4.6 Q

sors as sensed by TI-2005 as directed by the Test Supervisor, t_ T7 Test Supe @ p NOTE:

The adjusted temperature will be determined by the actual average containment temperature at the start of the pump up period. Matching temperatures will reduce stabilization time.

4.7 Maintain a continuous blowdown from FL-62 to remove condensed

-)\\

water via SA-194 drain.

/4..,,, o TestSupegs{

4.8 Between 4.0 ano 5.0 psig, the open Containment Isolation Valves will auto-close. Verify proper operation by monitoring the CIS Status Panel on the MC8 and document results on Attachment F.

Operations 4.9 Unload air compressors and close SA-180 at the Equipment Hatch.

rh TestSupervg 4.10 Make a Containment entry per Operating Procedure 1-12-4.

Inspect the following items and document findings in the

" Sequence of Events Log".

kg9!JF__

TIME M/O ENTRANTS W=

Plant Shift Supt.

DATE

/ /

___I 4A h Test Supervisor

& 6cWJa6r Others (Specify)

ITEM CONDITIONS Containment Atmosphere b

ba_o4 Note Turbidity Equipment Hatch Area N.

Moisture & Solid Carryover.

Containment Air Compressors rR.W AL AK Check operation and Slow-0-

O cown Receivers PCR #82-334 4.11 Upon exit from the Containment perform an 0-ring leak test A

on the outer hatch door per Surveillance Proceoure 3.17.4 6a.

/t j e, --

Tes S-rg 4.11.1 Open, lock and W/T the air lock ACB.

D Plant Snift Supt.

4.12 Restart compressors, open SA-180 and re-establish a 5 5.0 psig p.er hour pressurization rate as per Step 4.5 using

/

SA-P-176 and the bypass SA-181.

I-t%

Test Superd3 p Date/ Time:

9 /29 2 09fd

//

Proc. No. 3.17.1 Rev. No.

3 a

4.13 Close LM-38 to isolate the Low Range Manometer before exceeding 10 psig Containment Pressure.

_k Oper;. ions 4.14 Continuously raise containment pressure to 28.7 osig or 88.350 In Ho Absolute.

TestSupgIyffc Date/ Time: 9/m 7 /(,6f

/ /

4.15 Close SA-180 at the Equipment Hatch and secure the air p

compressors.

h

'A Test Supe 4.16 Install the Spectacle Flange Blank and lock SA-180 in the f

closed position.

1,

/Av./

lest Suppvisc CAUTION:

Assure that the air supply line is completely depressurized before opening the spectacle Flange.

4.16.1 Verify leak integrity of Spectacle Flange seal and SA-180 fgftc packing gland with Snoop or the Ultrasonic Leak Detector.

/fLij// <

Test Supe viso NOTE:

Proceed to Section 5.0.

~.

l Proc. No. 3.17.1

• Rev. No.

3 5.0 FROCEDURE - CLASS A - INTEGRATED LEAK RATE TEST 3.1 Continue data gathering as outlined in Attachments B.and C until average Containment Temperature, T, (MPX 739) is stabilized as per below; 5.1.1 The containment air volume will be considered stacilized when the latest rate of change of T, averaged over the last hour is.

0.50F/FR from the average rate of T over the last three hours:

Specifically when, T - To $

0.5cF/FR 3

t NOTE:

The Test Supervisor will have the option to extend this period if further st'abilization is deemed beneficial.

-5.2 Adjust Containment Recirculation Fan Cooling Water Flow as

}

necessary to establish stable conditions.

_/T id>A Test Supe g NOTE:

It may be wise to reduce flow after the "Itat of Compression" has been removed until heat gains equal heat losses.

This will-be accomplished by examination of the T vs Time plot and adjusting as necessary.

5.3 DuringtheStabilizationPhase,makeadetNiledinspectionof the following EXicxIOR areas for signs of leakage.

Record findings in the Sequence of Events Log.

LOCATION INITIAL Test Supervisog 5.3.1 PAS Pipe ' Penetration 415 /-[/, O/d 5.3.2 Equipment betch

'T/J 4I/ ( WM 5.3.3 Personnel Air Lock

@A///// ( vfLM 5.3.4 Purge Exhaust Duct

-1/> </n /_ ( 'ri y.

5.3.5 Purge Supply Du::t W @ W F / (t/f B 5.3.6 Electrical Penetrations (Tornado Proof Area)

Y)'A @ / /Mh 5.3.7 Electrical Penetration (Fuel Building)

VJf9W ',/ (W 5.3.8 Spray Buildinng Lower Level "L15 t-/ /DD4 5.3.9 Containment Foundation Drain Sump Wu'/M '/(/#M 5.3.10 Exterior Surfaces (Visual Only) to/#i /(M 5.3.11 Main Steam & Feedwater Penetration Area 74WM l# MM

[

An Ultrasonic Leakage Detector or Soap Solution NOTE:

will be employed.

Proc. No. 3.17.1

• R v. No.

3 5

5.4 When stable conditions are evident, select a Time Zero and continue data gathering.

NOTE:

Data gathered from this time until depressurization will be used for the official leakage calculation making its accuracy and correctness vital.

5.5 Monitor and plot data as required in Attachment D.

5. 5.1 Calcula,te leak rates periodically over the test interval by performing 0FF LINE LEAST SQJARE f~ITS of prior hourly Weignt of Air Values or by averaging hourly computed leak rates from computer output.

Document these results in the f

Sequence of Events Log.

_ II

.o a A <

test dupegs le 5.6 When 24 or more hourly data sets have been taken from Time Zero, this phase of the test will be complete.

At this time, the Test Supervisor will review the data to assure completeness and compliance with the procedure and sign off below:

ic/de Leak Test Completed e OtiO

/

Time

/

/Date 5.7 Continue automatic and manual data gathering as specified in Attachments S & C and proceed to Section 6.0.

[

Proc. No. 3.17.1

. Rev. No. 3 PCR No.82-334 St-se t 6.0 PROCEDURE - LEAK RATE MONITORING SYSTEM RESPONSE VERIFICATION NOTE:

This procedural section deals with the uncertainties associated with the performance of leakage-rate monitoring system instrumen-tation. To accomplish this, a finite quantity of air will be pumped into the containment approximately equal to one half of the allowed daily air leakage in Ibm at this pressure.

Per the initial 1972 test results, the maximum leakage rate at 28 psig (L ) shall be less than 0.0695% per day. This was derived t

from the applicable Technical Specification where as; If 0.3 g L m g 0.7, Lt La x L m t

=

t L

Lm om p

In addition, the Technical Specifications state that the maximum allowed operational leakage rate a 28 p,sig (P ) shall not esceed t

0.75 L. Therefore, the maximum allowed leakage rate for this t

test is:

0.75 x 0.0695% per day = 0.0522% per day 3 28 psig This rate of leakage is e'quivalent to a loss of ~ 200-Ibm air per day, therefore - 150 lbm will be pumped into the Containment for this verification.

PCR #82-334 6.1 Record the Barometric Pressure from the Fisher Scientific Borometer in the Turbine Building.

Reading 30 14 InHg A

Test'Supeir or PCR #82-334 6.2 Record the indicated reading on FI-2001 in SCF.

In.itial Reading

}2295 (;

SCF

,bn Test Super o

PCR #82-334 6.3 Unlock and open SA-228.

SA-228 Open ie

?ds:-30s G.E.t unu:ct m cuse sn-t33 Ma SA sW sa. gg3 s,m Sp.

.f cag 6.4 Slowly open the following Gas Meter FI-2001 outlet valves.

7 ep3-VALVE POSITION INITIAL Ops.

SA-135 Open SA-136 Open

- =

6.5 Back out tne adjusting screw on the regulator SA-F-129.

. Ops.

t

....~, - -

n - - n -... -

-. - -. - - -. - - ~ ~

. - ~

. - ~ ~ ~ ~ ~ - ~ - - -. - ~ - ~

--~~- - ~~~-

Proc. No. 3.17.1

. Rev. No.

3 PCR No.62-334, 82-336,62.ml PCR #82-334

(

6.5.1 Place two control air compressors in service and one in backup.

Ops.

PCR #82-334 6.6 Notify Control Room and very slowly open the inlet isolation to FI-2001.

VALVE POSITION INITIAL Ops.

SA-128 Open

./9 6.7 Immediately a'djust the regulator SA-P-129 until PI-2011 indicates 40 psig.

NOTE:

Maintain pressure G 40 psig during pump back. This nA may require throttling of SA-136.

(

/-l,

u. c Test Superv 6.8 Record the temperature of the air being charged via TI-2003.

Temperature 3

oF

.h A.

TestSupergsy

'6.9 Feed in approximately 540 ft3 of air and secure the air charge by isolating the Gas Meter inlet line.

m ggge VALVE POSITION INITIAL Ops.

SA-128 Closed

..b SA-P-129 Closed (Back Out Screw)

~-

/,'

6.10 Reclose and lock SA-135 and SA-136.

'~7 Ops.

PCR #82-336 6.10.1 Close and lock SA-228.

SA-228 locked

's yrd gz.3q G.n.2 cpea m s axc o % sa.c neo u -av w u m u w m ;o v a NOTE:

This procedure may be' repeated at the discression of

/c#

the Test Supervisor if deemed beneficial.

6.11 From the data obtained in this procedure, calculate the exact mass (WOA) charged into the Containment using the following equation; V = Volume air charged ft3 (1 325/ (2.036 Pg i. Pb)

Op = Mass increase, Ibm Q

=

xV Pg = Gage Pressure - psig p

I g + 459.6 Pb = Barometric Pressure - InHg Tg = Base Temperature 0F NOTE:

Refer to Attachment G for the deviation of above formula.

M.N lbm

/h Q

=

p fest supe g o

Proc. No. 3.17.1

- R;v. No. 3 PCR No.82-334 O

6.12 Plot Q (WOA) versus Time on a separate graph using 5 minute values of Q.

This graph should include at least 5 values of pre pump-back data for comparison.

', cow m

TestSupgigr' 6.13 Continue recording and plotting five minute values of Q for jg 25 minutes.

/t

$(

Test Super g r 6.14 Perform a least squares fit of MPX #740 obtained prior to A

the pump back.

f1 4g Test Super g p 6.15 Perform a least squares fit of MPX #740 obtained after the pump back.

'c4 s

TestSupegs 6.16 Compute the difference between the values obtained in 6.14 and 6.15 and record the value as A Qc in Ibm.

60c b1 lbm h ch Test super g 6.17 Compute the " error" in % using the following formula and record the result.

6 c-Op (log)

Error (%)

=

Error %

/. ~72 Ao a

/

Test Supervg PCR #82-334 6.18 Deleted NOTE:

Refer to Section 9.0 for Acceptance Criteria.

O I

s

% 9J

(..-..--..---__

r-Proc. No. 3.17.1 R;v. No.

3 s

PCR No.82-334 i

7.0 PROCEDURE - CONTAIN ENT DEPRESSURIZATION FROM 28 PSIG The Containment will be depressurized through the Purge Exhaust Duct and the Primary Vent Stack.

The depressurization rate will be controlled by VP-A-4 to establish an average rate of f 5.0 psig per hour, or $10.2 in hg/hr.

PCR #82-334 Back off air pressure regulator for VP-A-4 to "O" output.

Ops.

R 7.1 VP-A-4 & VP-A-5 "CIS" trip functions must be disabled to allow opening of VP-A-4 & VP-A-5.

To accomplish this, perform the following:

For VP-A See Dwg. FE-3DAJ, Item "ZW".

Install Jumper between terminals designated "ZW7C" and "ZW7".

Yellow tag same per yellow tag & jumper procedure.

Mb -

j I&C PCR #82-334 I

Verify VP-A-4 is closed.

if fps.

For VP-A See Dwg. FE-30AH, Item"YAA". Install jumper between terminals designat::d "YAASC" and "YAA5".

Yellow tag same per yellow tag & jumper procedure.

d S 8.

I&C PCR #82-334 Verify VP-A-5 is closed.

}y

{ps.

PRECAUTION: Do not oisable RMS trip function for VF-A-4 & VP-A-5.

Inform Plant Shift Superintendent that VP-A-4 & VP-A-5 "CIS" trip' I

functions have been oisabled.

h IPSS Reference Drawinas VP-A-4 (HCV-6008) DWG FE-30AJ & ESK-7D l

VP-A-5 (HCV-6006) DWG FE-3DAH & ESK-7C 7.2 Read and observe Precautions stated in Operating Procedure 1-12-1.

O,b dPSS 7.3 The Initial Conditions set forth in Operating Procedure 1-12-1 have t

been satisfied. W/ PCR p l- # 2 -i 1r%

(

by VP-A-4.

/ [])({ J, NOTE:

The air sample will be taken at the sample line FES /

hF l

b

Proc. No. 3.17.1

• • "O*

-20A-PCR #82-355

~

N. 82-3,M,

7.3.1 Draw the containment atmosphere sample as follows:

(

7.3.1.1. Obtain PSS authorization _ and have operations unlock VP-48, the unnumoered valve cownstream of VP-48 and Q

VP-49.

A Opp)-

7.3.1.2 Obtain a release permit for sampling based on the

,last known containment atmosphere.

7.3.1.3 Insure all valves on tne sa ple bypass are closed.

7.3.1.4 Open VP-49, the whitey valve. downstream of the filter, the unnumbered valve downstream of VP-48, and VP-49.

Slowly open the whitey valve upstream of the filters L

until a 10 L.P.M. flow rate is indicated.

7.3.1.5 After 1 minute of 10 L.P.M. flow, close the upstream white valve and VP-48.

7.3.1.6 Disconnect the filter holder at the upstream quick-connector, and then install a tygon line in its place.

Collect a gas sample by gas displacement by opening VP-48 and tnrottling with the wnitey valve.

Close both uoan collection of sample.

7.3.1.7 Install filters into the filter holder.

Disconnect the-tygon line and reinstall the filter holder.

7.3.1.8 Open VP-48.and throttle flow at 30 L.P.M. for 30 min.

or until the pressure,on each side of VP-A-4 equalize, whichever is shorter.

~

NCTE:

As.the pressure begins to equalize, 3 L.P.M..

-~~ flow may not be obtainable.

If this occurs,

~

monitor flow rates and times and record this data.

~

7.3.1.9 Close a' valves i the reverse order they were opened.

Close the upstream whitey valve, VP-48, the unnumbered valve downstream of VP-48, the downstream whitey va.Iwe

~

and VP-49.

7.3.1.10 Remove filters faom the filter holder.

7. 3.1,.-11 Notify operations that sampling is completed and have operations check closed and lock VP-48, the unnumbered

~

valve downstream of VP-48 and VP-49.

,J0ps.

NOTE:

The air sample will be taken at the sample line by VP-A-4,

~

/

PSS /

HP

~

_ f - NcTE sac, deb off cd PA6E. 2C%

l i

Proc. No. 3.17.1

• Rev. No. 3 PCR No.82-334 Ba-3%

(

7.4 Perform steps outlined in Section 4.0, Depressurizing Contair. ment per Operating Procedure 1-12-1. Q(bt2. ro i-t 2. -f

$55 7.5 Establish a flow rate which will result in a 5 5.0 psig per hour or s 10.2 in Hg/Hr., depressurization rate if the Release Permit allows.

If not establish the rate allowed by (

the permit.

Test Supervisor Date '? /

Time O h PCR #82-334 7.6 When Containment pressure is less than 2.0 psig, control switches for purge valves, VP-A-4 & VP-A-5 should be in closed position before Step 7.6.1.

~

7.6.1 Reset CIS Actuation circuits from MCS.

O Operations CAUTION: When resetting DC solenoid CIS valves reset RCP cooler returns PCC-A-252 and PCC-A-254 prior to resetting PCC supply valves.

7.6.2 Upon completion of 7.6.1 reconnect CIS functions disabled in Step 7.1 in accordance with Yellow Tag Control Pro-n cedure 16-1.

Ik PSS II.e PCR #82-334-7.6.3 Open VP-A-5 and slowly open VP-A-4 to establish a flow rate which will result in equal to or less than 5.0 psig/hr. or equal or less than 10.2 IN.Hg./hr. depressurization rate if the release permit allows.

Ptc' 8t-34

'I.t. H M*w1 cmis-7*s m n @um*"*"wr Mu M* n Mw tre n @"

o a w wpa. ruary cwn.a.nur Axssue is e. css im ana; Cad'q) not n samow, o>mre. rm.

7.7 When containment pressure Cecreases to at:r.osphere pressure, establish normal Refueling Shutdown Purge capability.

pperati_ons 7.8 Make a final inspection of the containment building noting n

all unusual indications in the Sequence of Events Log.

(

, cc_n M3up j

R 7.9 Restore CIS Actuation capability of LM-A-43 and LM-A-45 jA which was removed in step 3.22.

I&C Supervisor s.

_.m

._.__y_-________

Proc. No. 3 17.1 Rzv. No. 7 PCR No.82-336 Sr 3G4 PCR #S2-336 7.10 Remove Wnite Tags and restore components to operating conditions as desired by Control Room personnel.

1.

Quench Tank 2.

Containment Recire. Fan inlet vanes 3.

Iodine Removal Fan, FN-18 4.

CEDM Cooling Fans 5.

Quench Tank Pumps P-68A & B 6.

Containment Sump Pumps P-13A & B 7.

Incore Instrument Sump Pump F-90 fte.

• 8a-30G S.

Contai.^r. nt," 5 " =p-(_g//

(

Date /@// /42 Time J,2ov 7.11 Restore the following equipment as directed by the Maintenace Department:

1.

Eanco Gear Box - Vent Plugs

/873-62

• 2.

Refueling Machine Gear Boxes - Vent Plugs /693-62 3.

Containment Leak Test Manifold mc Bo/f -6L b/,[M/8u

/E[f/kC Time /6

~

Date 7.12 Restore operation of L+A-43 and LM-A-45 CIS trip valves and s [M test for proper operation.

I&C/ Ops.

7.13 Submit an MR for replacement of the Safety Injection Tank manways.

1 flantShiftSupt.

e:e n MR No. M :-

zw-s r E45L-3L z r s - st_

W e mem e.=*

- em me e e

- e -. e-

== -

es-- -- ammen. sum

,e w an.

m...

.e..

Proc. No. 3.17.1

' Rev. No.

3 9.0 ACCEPTANCE CRITERIA 9.1 At the retest pressure of 28 psig the measured leakage rate, Ltm, measured at a 95% confidence level shall be less than 0.75 L.

This will assure that t

the containment, under the most adverse accident conditions, will maintain public exposure well below 10 CFR 100 values.

9.2 The instrumentation response is within 3 25% after a finite quantity of air is pumped into t.he Containment.

10.0 FINAL CDNDITIONS The existing Containment Leak Rate is within the allowed limit and the leakage.

monitoring equipment has oemonstrated its ability to measure leakage under test conditions.

G,J,/n

• 6 OAre

//

^

Proc. No. 3.17.1

. Rev. No.

3 1

(.

UNOFFICIAL

(

ATTACl+fENT A - 3.17.1 FROFOSED CDMPUTER PROGRAM FOR CLASS A TEST TERMINOLOGY SYMBOL UNITS DESCRIPTION Q

Ibm n

murly average weight of air (M?X).

L

%/ day murly leak rage (MPX) n L,

%/ day Average leak rate during test La

%/ day Allowed leak rate K

hr tomber of hours in test S.D.

%/ day Standard deviation of L, DI Dispersion index of L, CL

• Confidence limit of L, ECUATIONS Ln Cn Qn

=

x 4800 Cn-1 + Qn K

l

.l_

N Ln m

=

K

/

n=1 o

S.D.

Q (Lm-Ln) 3

=

K n=1 DI La-Lm

=

S.D.

CL (DI)

=

OUTPUT DATE TIME K

Qn Ln Lm S.D.

CL

(

w

Proc. No. 3.17.1

• Rev. No.

3 ATTACWENT B - 3.17.1 CLASS A INTEGRATED LEAK-RATE TEST SUBJECT - AUTDMATIC DATA GATHERING USING PLANT DJMPUTER

~

B.1 The following data will be gathered, stored and printed out on Group Trend Typewriters to monitor parameters for information and response.

PARAMETER UNIT SYMBOL MPX NO.

Total Pressure

• InHg ABS #R Pt 48 Total Pressure

• InHg ABS 4R Pt 464 Vapor Pressure InHg ABS P

826 y

Dry Air Pressure InHg ABS P

827 a

Dew Point Temp

• oF Tdp 313-314

~ Containment Air Temp

• oF T -T13 300-312 J

Avg. Dew Point Temp 0F Tdp 738 Avg. Containment Air Temp oF T

739 Weight of air Kibm WOA5 min 740 Hourly Avg. W.O.A.

Klbm WOAnourly 900

• These parameters go through the analog scan system every 10 seconds and are accumulated into a 1 minute file.

The 1 minute values are accumulated into a 5 minute file once per minute.

At 5 minute intervals this file is converted to engineering values which are used to compute WOA every 5 minutes.

Addftionally, the 5 minute WOA values are stored ~and every hour the twelve preceeding 5 minute values arb averaged to obtain the HOURLY WOA which will be ued to detemine leak rate.

O e

v-m.. - + -

,,--y,-

+

Proc. No. 3.17.1

- R3v. No.

3

'(

ATTAC)HENT C

'3.17.1 CLASS A INTEGRATED CONTAINMENT LEAK-RATE TEST SUBJECT - MANUAL DATA GATHERING REQUIREMENTS C.1 The following data will be gathered on an hourly' basis for comparison and backup information.

PARAMEicM UNIT FREQUENCY INSTRUMENT Containment Dew Point Temp.

OF Hourly MCS Sigma Containment Press InHg ABS Eburly Exactel Outside Air Temp of Ecurly Weather Tower Barometric Pressure InHg ABS Hourly Fortin Barometer Outside FtJmidity Hourly Psychormeter Outside Weather Condition N/A Fturly Visual e

(

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b l

CC C.

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c g c.

W 8a

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$ s.

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a ou a

g*Ih s

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y gP-O WC y

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0 0

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/

Proc. No. 3.17.1

, Rev. No.

3 ATTACENT D - 3.17.1 CLASS A INTEGRATED CONTAINMENT LEAK RATE TEST SUBJECT - PLOTS TO BE MAINTAINED DURING CLASS A LEAK RATE TEST D.1 Official Plot - WOA (Qnourly) vs. Time s,

m g

E Time Og Q - murly)

Average - Klbm l

. - Fours (0-50 minimum)

<D.2 Reference Plot - WOA Formula Variables vs. Time Qy s

8 4

0 e

+20 T

?.

O T

e

-20 p

a m

P

~

y z

Time 05 minute - Averaged 5 minute Value T

- Average Containment Air Temp

[

AT

- Ecurly Change Pa

- Dry Air Pressure 1' ' -

Py Vapor Pressure

Proc. No. 3.17.1

• Rev. it.

3 Attachment D D.3 Reference Plot - Various Calculated 0 Values vs. Time

~

~

Qee

~

~

O e

Time 05 minute - Averaged 5 minute Value Qec

- Calculated from Exactel Servomanometer local reading with Py correction.

Qe

- Calculated from Exactel Servomanometer local reading without Py correction.

1 e

(

s_

Proc. No. 3.17.1

• R3v. No.

3 ATTACFNENT E - 3.17.1 1

CLASS A INTEGRATED Q NTAINMENT LEAK RATE TEST SUBJECT.- DERIVATION OF EQUATION FOR WEIGHT OF AIR CHfaCED BASIC EQUATIONS Q

pv p

lbm/Ft3

=

=

[T 1.325 Ft3 P

V

=

. p

=

g P =

InHg ABS T =

OF ABS FINAL EQUATION P =

2.036 Pq+PD Pq= Gage Pressure psig T = Tg + 459.6 Pe = Barometric Press. InHg Tg=

Cage Temp 0F Q = (1.325)(2.036 Pg + Po)V Iq + 459.6 Since the Gas Meter is temperature compensated at a 600F base, Tg will be 600F, making the final equation; Q = 2.55 x 10-3 (2.036 Pq + Po) V

(

x..

Proc. No. 3.17.1 e Rev. No.

3

(

ATTACHENT F - 3.17.1

(

CLASS A INTEGRATED CONTAINKENT LEAK RATE TEST F.1 Verify valve status listed below.

Note exceptions listed and report any discrepancies.

VALVE POSITION INITIAL PCC-M-219 Closed

/M-PCC-A-300 C1dsed 7'r PCC-A-302 Closed 9/

PCC-A-252 Closed M

PCC-A-254 Closed Pf-PV-A-10 Closed

,Pf PV-A-12 Closed A/

SL-A-53 Closed

&./

PW-A-78 Closed PR-A-40 Closed N.

PR-A-41 Closed fly PD-A-122 Closed

1. (

PD-A-124 Closed p/

BD-T-12 Closed

1. 7 BD-T-22 Closed

//V

'~

BD-T-32 Closed V.

K IA-A-107 Closed fM IA-A-101 Closed W

IA-A-98 Closed 97, PS-A-17 Closed W

PS-A-20 Closed W

PS-A-23 Closed 7N-PS-A-4 Closed 9tt PS-A-1 Closed W,

PS-A-2 Closed

1. f PS-A-3 Closed WY PS-A-15 Closed W

PS-A-S Closed fff VP-A-1 Closed

/Nc VP-A-2 Closed 7N VP-A-3 Closed 7N VP-A-4 Closed AT(,

VP-A-5 Closed

1. tf, SIA-A-47 Closed 1rt(

SIA-A-49 Closed M

PCC-A-216 Closed Yy PCC-A-270 Closed

/N, PCC-A-268 Closed N-A-66 Closed fi t f-OR-A-6 Closed

1. d SL-M-29 Closed

'fv n

SL-M-40 Closed W4 SL-M-51 Closed 74

Proc. No. 3.17.1

• Rev. No.

3 Attachment F

(?

s NOTE:

Exceptions VALVE POSITION INITIAL LM-A-43 Disabled Open

((-

LM-A-45 Disabled Open fr/

NOTE: The following CIS valves will close, but are not considered part of this test.

VALVE POSITION INITIAL MS-A-162 Closed 8*

MS-A-163 Closed W

HP3-A-96 Closed W

HPD-A-17 Closed

,tf y go.r. w 441.2 to.f% che wd a Ci* *' t SI'j""I

---v-.

~,

,.w

,r

a Proc. No. 3.17.1

-33~

Rev. No.- 3 Page

/

'(.

SEQUENCE OF EVENTS LOG 3.17.1 CLASS A INTEG ATED CONTAINMENT LEAK RATI i e i ktM',/

'f 0'

L Tf el82

/y20 06cw.t

. ;I

.A+

a p.,,u. A,%c/ a - m.n,w parc6v 2a v e.

$(.k.,cn qu

.!;: ha:d

,.Mt:*%U n2c " A)oc],

it.<S o.

c' t'

w

.duu c'an.

% aLdcl 'wo ea a., aw.,A b5_l ik4' "2D M L

w / A J, 't J.,

c M J A E b j y ( 7 s i, p l u b, / / d, A

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ATTACHMENT G - 3.17.1 INSTRUMENT FAILURE CRiiERIA CLASS A INTEGRATED LEAK RATE TEST Failures and malfunctions of critical test instruments are possible but unlikely since operating history is nearly perfect.

In the event that certain instruments associated with the test malfunction, a determination shall be made by responsible people as to the effect on test results.

This determination shall be based on the following criteria:

TEMPERATURE There are 13 RTD sensors in the containment.

It is felt that an adequate representation of temperature can be obtained by fewer operating sensors provided that weighting factors are corrected on a volumetric basis.

Operating with 9 or more RTD's is considered sufficient.

VAPOR RRESSURE This variable is sensed oy 3 Dew Cells whose outputs are averaged for the WOA calculation.

Operation with one or two units inoperable is not considered serious.

The major fault is that more data scatter may result as the number of sensor outputs used for the average decreases.

Failure of all Dew Cells during the test will not require aborting the test provided that a stable Dew Point Temperature was evident prior to the failure.

PRESSURE Pressure in the range of sensitivity reauired for this test is provided by only one sensor, the EXACTEL SERV 0 MANOMETER.

This device provides input to the plant computer and a local mechanical readout.

Failure of one readout will not restrict vital ~ data aquisition.

Mechanical failure of the mercury containing boundry will render the unit useless and will be grounds for a test abort if the failure is not repairable.

Failure of the unit vacuum system should not effect test completion as. spare parts are locally available.

COMRJTER SYSTEM FAILURE -

A plant computer shutdown will not restrict vital data acquisition even if the unit is cown for the entire test.

Data can be obtained indirectly by taking DVM readouts from the bridge network in the computer.

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