Text

Reactor Containment Bldg First Inservice Integrated Leak Rate Test & Type B & C Surveillance Test.
	ML18089A422
Person / Time
Site:	Salem
Issue date:	05/31/1983
From:	; Public Service Enterprise Group
To:	;
Shared Package
ML18089A421	List: ML18089A420; ML18089A422;
References
	NUDOCS 8310200323
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{{#Wiki_filter:ENCLOSURE l REACTOR CONTAINMENT BUILDING FIRST INSERVICE INTEGRATED LEAK RATE TEST AND TYPE B & C SURVEILLANCE TEST SALEM NUCLEAR GENERATING STATION UNIT 2

MAY 1983 PUBLIC SERVICE ELECTRIC & GAS COMPANY ---------**

031013 PDR ADOCK 05000311 p PDR I

I TABLE OF CONTENTS SECTION TITLE PAGE 1 Purpose 1 2 summary 2-4 3 Edited Log of Events 5-6 4 Gener.al Test Description 7-10 5 Test Analysis 11-12 6 Test Results 13-16
i

'* ATTACHMENTS

1. Computer Program Logic 2. Calibration Report 3. stabilization Data & Curve 4. CILRT Data s. Instrument verification Data 6. Local Leak Rate Tests (Types B & C)

ii
REFERENCES

1. 10 CFR50-Appendix J. Primary Reactor Containment Leakage Testing for Water-Cooled Power Reactors September 22, 1980 2. ANSI N 45.4 -1972 Leakage Rate Testing of Containment structures for Nuclear Reactors (Technical Specifications commitment)

3. ANSI 56.8 -1981 Containment System Leakage Testing Requirements

4. Public Service Electric & Gas Company Nuclear Site Maintenance Department Procedure M9-ILP-CT-l Rev. 01 Reactor Containment Building Integrated Leak Rate Test s . Salem Unit No. 2 Technical Specification 4.6.1.2 iii

'* SECTION 1 PURPOSE The purpose of this report is to present a description and analysis of the first inservice Type "A" Reactor Containment Building Integrated Leak Rate Test ( CILRT) and a_ summary of the Type "B" and "C" tests performed sin6e the preoperational CILRT conducted on the Public Service Electric & Gas Company Salem Nuclear Generating Station Unit 2. This report is submitted as required by 10 CFR SO, appendix J, paragraph VB (Reference

1) September 22, 1980.

The Type "A" Test was conducted over.a 24 *hour duration in accordance with ANSI N 45.4 -1972 *
Page 1 of 16

'-* SECTION 2 Summary 2.1 Type 11 A 11 Test On May 20r 1983 pressurization for the CILRT of Salem Unit 2 commenced at 2226 hours. During pressurization and throughout the entire test, an investigating team checked for detectible leaks. on May. 21, 1983 at 0025 hours the fire alarm of fancoil unit #25 indicated the alarm mode and the unit was stopped. The alarm was reset and the fancoil unit restarted after an investigation indicated a safe condition. At 0036 hours all the fancoil units indicated fire alarm and were stopped. At 0046 the pressurization was stopped to investigate the cause of the fire alarms. An investigation of containment and fancoil unit temperatures revealed no reason for-the alarm and it was concluded that the alarm was due to the internal pressure differential of the fire/smoke detectors, and/or the intrusion of some of the exhaust fumes from the temporary air compressors into containment. At 0107 hours the fancoil units Nos 22,24 & 25 were restarted and pressurization was resumed. At 1050 Hours fancoil unit 22 tripped on overload with containment pressure at 48.5 psia. At 1319 hours fancoil unit 25 tripped on overload with containment pressure at 56 psia. At 1508 hours fancoil unit 24 tripped on overload with containment pressure at 62 psia. NOTE: .An investigation of the tripping of the fancoil units revealed that this was due to the improper setting of the fan housing inlet vanes

Page 2 of 16
When a containment pressure of 62.500 psia was reached, four I.. ' of the eight temporary air compressors were secured. At 1536 hours the pressurization was completed, all the temporary air compressors stopped and the pressurization facilities vented to the atmosphere.

The average containment pressure was at 63.365 psia at the start of the stabilization test. The temperature stabilization test was initiated at 1600 hours on May 21, 1983. The stabilization criteri'a were satisfied in 3.25 hours but the test continued for the required four hours. The data acquisition for the CILRT was initiated on May 21, 1983 at 2213 hours. pressure and humidity data were continuously recorded at 15 min. intervals. After 3.25 hours of testing (14 data the leakage rate was 0.052%/ day and increased steadily for the next three hours to a maximum of 0.079%/day. After reaching this peak there was a steady decline of the leakage rate to a final rate of 0.048%/day. During a thorough investigation of all possible leakage paths, the only leakage found was in-leakage into the secondary side of steam generators

22 and #23. Because there was no other leakage found, the increase and decline of the leakage rate can only be attributed to ingassing.

In an attempt to determine the amount of leakage into the steam generators, the sebondary side of steam generators

22 and #23 was pressurized up to 30 psig during the five hours of the test. This left 18.5 psig differential pressure between the steam generator and containment, but.the difference in velocities of escaping air, at 18.5 psig and*

_ptessure differential is so small that the attempt was inconclusive. Page 3 of 16

On May 23, 1983 at 0913_hours the Type "A" Test was '-fully completed with an acceptable upper confidence limit of 0.054%/day.

This rate satisfied the requirements of Public Service Electic & Gas Company Technical Specification 4.6.1.2. The secondary side of steam generators

22 and #23 was pressurized after completion of the test and several manhole covers were found to be leaking. The manhole covers were reworke.d

and the leakage problems resolved.

After securing an air release permit, the instrument verification test was successfully completed between 1150 hours and 1300 hours on May 23, 1983. The mass step change method was employed and 2599.8 C.F. of air was released from containment through a precision gasmeter. At five minute intervals comparative data were taken verifying the accuracy of all the instrumentation used during the test

Depressurization commenced immediately after successful completion of the i_nstrument verification test. Complete depressurization was achieved on May 24, 1983 at 1500 hours. 2.2 Local Leak Rate Tests (Types B & C) The local leakage tests of the containment penetrations were performed by the methods described

_in the Salem Generating Station Maintenance Department Procedure NQ. Ml6E. Attachment 6 to this report summarizes the .data obtained from the LLRT's performed subsequent to the preoperational Type "A" Test in accordance with lOCFRSO Appendix J Paragraph V3. Page 4 of 16

SECTION 3 *TYPE "A" TEST 3.1 Edited log on events May 20, 1983 15.50 -Start final containment walkdown and pretest visual liner inspection.

22.26 -Initiated containment pressurization May 21, 1983 0025 -Fire alarm Fancoil Unit 25. 0036 -Fire alarm*all fancoil units 0107 -Restart f ancoil units and resume 0142 -Start -checking for leaks 1050 -Fancoil Unit'22 tripped 1319 -Fancoil Unit 25 tripped 1508 -Fancoil Unit 24 tripped presurization 1S38 -Pressurization completed @ 63.325 psia Stopped and vented air compressors 2000 -Temperature stabilization completed May 22, 1983 0913 -Start of CILRT May 23, 1983 0913 -Leak Rate Test completed 1150 -started Instrument verification Test (mass step change method verification) 1300 -successful completion of the Instrument verification Test 1316 -Initiated final blowdown of containment Page 5 of 16

May 24, 1983 1200 -Final blowdown of containment completed 1315 -Start of Post Test Containment Inspection.

CONCLUSION: All test and inspection results proved to be satisfactory

page 6 of 16 SECTION 4
4.0 ' General Test Description
(Excerpted from PSE&G procedure No. M9-ILP-CT-l)

4.1 Precautions

a. Except in the case of emergency depressurization, .the senior Shift Supervisor/Shift Supervisor is the only individual that may authorize the commencing of the pressurization and depressurization of containment.

b. All areas within 30 feet of containment shall be restricted areas and only authorized test personnel are permitted in the restricted area. c

All containment valves shall be positioned by their norm.al means: no torquing of handwheels or exercising of the valves shall be permitted.

d. No leakage path shall be reworked without the prior of the Test Director.

All pre-rework and post rework local leakage rates shall be recorded. 4.2 A partial listing of the recorded sites. a. All Type B & C tests in accordance with PSE&G Maintenance Procedure Ml6E are current. Page 7 of 16 .I b. All instrumentation used for the test has been calibrated no more than 6 months prior to the test and must be checked in place after installation at one or more points using a standard which is traceable to the National Bureau of Standards (NBS). c. Site Meterology data recorded, at 4 hour intervals, at least three days prior to the CILRT (Recording-will continue at 1 hour intervals during the test) d. inspection of the accessible interior and exterior surf aces of the containment structure has been completed.

e. An official log of events has been initiated.

f. The valve lineup has been completed and reviewed.

g. Data acquisition system is energized and ready for test operation requirements.

4.3 Equipment 4.3.1 Pressurization of the containment was achieved by utilization of a battery of (8) eight temporary diesel driven oil free air compressors. The air compressors were manifolded into (2) two after coolers. From the after coolers the compressed air was routed through a refrigerated air drier and a piping and valving system for regulating back pressure, etc., into the containment building. The total capacity of the pressurization facility was rated at 10,000 standard cubic feet per minute (SCFM). Page 8 of 16

4.3.2 4.3.3 ---------------

Instrument verification was achieved by installat;on of a precision gas meter in the piping system used for pressurization. Depressurization was achieved by return flow through the piping system used for pressurization. 4.4 Instrumentation

NOTE: 4.4.1 The Instrumentation, Data Acquisition and Resolution for the test was performed by PSE&G Reasearch Corporation.

Data Acquisition and Resolution was -achieved utilization of a micro processor controlled data acquisition and recording system coupled to a computer which converts the raw data into the containment absolute leakage rate. The programs are designed in accordance with ANSI N45.5 1972 and ANSI 56.8 -1981. The Computer Program flow is shown in _Attachment

1. a. Fiqure 1 Temperature stability

b. Fiqure 2 Integrated Leak Rate Test c. Fiqure 3 Instrument varification Page 9. of 16 4.4.2

4.4.3 Installed sensors a. (2) two quartz manometers

b. (6) six dewpoint sensors c. (24) twenty four resistance temperature detectors (RTD) All sensors installed were calibration checked prior to the test and .immediately after completion of the test. Attachment 2 is a copy of the instrument calibration report including an assigned weighting factor for the sensors and a location sketch of .the sensors

The instrumentation verification equipment consisted of: a. (1) one Dresser Ind. Inc. gas meter model 3 M-125 T.C. with a range of 0 -3000 CFH and an accuracy of 0.75%. b. (1) one Matheson Pressure Gauge* 63-5612 with a range of 0 -100 psig and an accuracy of + 0.25 -psig. Page 10 of 16 SECTION 5 '5.0,. Test Analysis 5.1 Technical data for PSE&G Salem unit 2 Containment:

a. Containment Net Free Volume: 2.62 X 106 cu *. ft. b. Normal Operating Pressure:

Atmospheric

c. Calculated Accident Peak Pressure:

47 psig d. Normal Operating Temperature: 120 °F e. Calculated Accident Peak Temperature: 271 °F 5.2 A computer printout of the data obtained during the stabilization and a temperature graph constructed from those data are shown in "Attachment

3. 5.3 Data obtained during the 24 hour test are shown in Attachment

4. The test started on May 22, 1983 at 0913 hours and was completed May 23, 1983 at 0913 hours. a. Page 1 and 2 copy of the computer printout of the data used for the test results. b. Page 3. Leakage Rate Graph constructed from the data on page 1 -& 2. c. Page 4 copy of the computer printout of the mass plot during the test with the computed scope of least squares line. d. Page 5 copy of the computer printout of the dewpoint temperature plot. e. Page 6 copy of the computer printout of the vapor pressure plot. f. Page 7 copy of the computer printout of the containment pressure plot. Page 11 of 16

g. Page 8 copy of the computer printout of the containment temperature plot. h. Page 9-13 copy of site meteorological report 5.4 The data for the mass step change instrument verification
are given in Attachment

5. The Leakage .Rate Analysis was performed using a computerized program (section 4.4.1) employing the mass point method of computation.

Attachment 4, page 1 and 2, is a printout of the data obtained. The calculated leak rate of 0.048%/ Day with an upper confidence limit of 0.054%/Day is within the acceptable limit of 0.075% La /Day. To evaluate the effect of pressurizing Steam Generators

22 & #23 up to 30 psig during the last five hours of the test, it must be realized that the difference in velocity of escaping air at a pressure differential of 12.5 psig is approximately 2% less than with a pressure differential of 48.5 psig. Therefore, the effect of _the pressuriza-tion of the Steam Generators had little or no effect on the leakage between containment and the secondary side of the Steam Generator.

This leakage path would not exist during normal operation and/or a design basis accident condition, resulting in a substantially lower Leakage Rate during operation and/or a design basis accident. The rework on the Steam Generator manholes was performed

. Thus, it must be concluded that the actual leakage rate for the containment, after the rework of the Steam-Generators, is less than the reported leakage rate. Page 12 of 16
---------SECTION 6 I 6.0' TEST RESULTS VESSEL 6.1 Tne level indication of all liquid containing vessels in containment was recorded prior to the test and immediately after completion of the test. The only significant changes in level are: PRETEST POST TEST VALUE IN CU FT Pressurizer 67% 60% Down 70 cu FT Accumulator

23 64% 50% Down 35 cu FT RCDT 50% 77% UP 16 cu FT Containment Sump 8'-0"ullage 6'-0"ullage UP 90 cu FT Total Difference 1 CU FT Addition for level correction is 0.0 %/Day 6.2 The penetrations that were not ih their normal isolation mode during the test and whose Type "C" Leakage must be added to the Type "A" Test results are listed below. TYPE C LEAKAGE TO BE ADDED valve No. Leakage SCCM 22GB4, 24GB4 11 . 2SA270, 268 267, 265, 262 96 2VC5, 2VC6 62 2WL190, 2WL191, 2SF36, 2SF22 253 2WR81, 2WR80 3 TOTAL 425 Page 13 of 16

6.3

SUMMARY

ILRT RESULTS at 48.5 psig (Pac. 47.0) ACCEPTANCE RESULTS CRITERIA %/Day Calculated Leakage, Lam Type C leakage to be added o. 048 .00034 Water level correction 0.000 TOTAL 0.04834 0.100 (max) Calculated Leakage at 95% Confidence level. 0.054 Type C leakage to be added .00034 Water level correction 0.000 TOTAL 0.05434 0. 075 (max) Results were within the limit of 0.075%/Day 6.4 verification Test 6.4.1 Mass Step Change Method Description This test is performed to verify the accuracy of the instrumentation employed to measure the leakage rate during the Type "A" test. It is accomplished by removing a quantity of air equivalent to La through a gas meter from the ment. The mass of air removed from the containment is then calculated as follows: Page 14 of 16

M = 144 PV/RT Where, v = volume of air passing thru the gas meter during pump back
P = Gas meter inlet pressure -psia. T = Absolute temperature of the air passing through the gas meter. 459.69 + °F R = Gas constant = 53.35 ft lbf/lbmF M = Mass as determined by gas meter The mass of contained air (M2) is then calculated using the method employed during the Integrated Leakage Rate Test, and subtracted from the air mass (M1) that had been in the. containment before removing the measured quantity.

The difference between Mi and M2 is the mass of air removed from the containment. 6.4.2

Acceptance Criteria Results of this test will be considered acceptable provided the difference between the mass as measured by the Type "A" Test instrumentation agrees with the removed mass as determined by the gas meter to within 25% of La. Page 15 of 16
Attachment 5 is *the data for the verification . test. 6.4.3 Calculations volume of air removed Mass of air removed ( M) ILRT Instrumentation Calculated 2599.8 Ft3 834.02 lbm Air Mass before air removed (M1) 837421.2 lbm ILRT Instrumentation Calculated Air Mass after air removed (M2) 836556.8 lbm Difference in Mass of air M-(M1-M2) 30.38 lbm AcceptanGe Criteria M (M1-M2) 0.25 La 206.7 lbm Mass step change verification test results met the requirements sei forth in reference

2. Page 16 of 16

(_) -l FICt:R£ l STABILITY o.r.c. !'RESSt.':>.t CDRR F'F01 o>.LIBAATIC2' CL'RVES C.'U.C. 'WEIGii':!D Al.'G Rl'OS, C!"'1 AND P::il:SSllR£S 1'\0C'!":"!:> l.':l.,.I:O Attachment 1 Page 1 of 3 Ce c.* *Attacnrnent

1. Page 2 of 3 6 s YES CAl.C PRESSURE CDRR FR:M ou.IBAATICN ClJRVES o.I.C :,'EIG"rm:D AVG RI'D'S DEW POD.'TS A.'lD PRESSURES C\LC w.POR PP.ESS FID1 DEW l'OINI' ............

AIR !olA.55 l'V\55 PTP ).!ASS Ttr.AL TIME LEAKAGE RATE TEST NO N) -. {. I 'Attachment 1 Page 3 of 3 9 LEAK VERIFICATIO:'i C START ) CALC PRESSL'RE ClJRR. FIOi c:;,.r.IBRATICN 0..'RVES Citli:. AIR P!'B MASS 'ro:'AI.. TD1E D.1\TA .. e

Attachment 2

1 of 6 CALIBRATION CHECK Quartz P.tessure Pre ILRT St,andard Pl P2 psi a --.---.-ps1a ps1a 20.000 19.969 19.964 30.000 29.999 29.960 40.000 39.972 39.977 50.000 49.998 49.986 60.000 600001 60.029 70.000 70.030 70.011 80.000 80.039 80.040 90.000 89.991 90.006 .100.000 100.040 100.040 Pre ILRT Calibration Check 5-16-83 Post ILRT Calibration Check 5-24-83 Standard Pressure Gage Texas Instruments PS. No. 5637 S/N 2686 Calibration Date 4-4-83 Manometer Post ILRT Pl P2 --.---.-_ps1a ps1a 19.998 19.991 30.030 29.991 39.999 40.003 50,.023 50.013 60.028 60.019 69.995 70.038 80.0ll 80.012 90.048 90.000 100.028 100.065

. ' Attachment 2 Page 2 of 6 CALIBRATION CHECK Dew Point Pre ILRT Sensor Channel Volumetric Standard No. No. OF OF l 34 55.2 54.5 2 35 55.8 54.3 3 36 55.l 55.l 4 37 55.5 54.8 5 38 55.9 55.0 6 39 54.3 54.4 Pre ILRT Calibration Check 5-18-83 Post ILRT Calibration Check 5-24-83 Standard EG&G Model* 660 S/N 0432 Calibration Date 5-12-83 Sensors Post ILRT Volumetric Standard op OF 40.3 39.3 40.9 39.3 39.6 39.4 39.8 39.7 40.7 40.0 40.2 39.6

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Attachment 2 3. of 6
Page CALIBRATION CHECK RTD Sensors . Pre ILRT Post RTD Channel Volumetric Standard Volumetric No-. No. cs F OF OF --1 10 68.8 68.l 67.4 2 11 58.6 68.3 67.3 3 12 69.0 68.2 67.8 4 13 68.6 68.2 67.2 5 14 69.1 68.3 67.7 6 15 69.1 68.2 67.9 7 16 69.2 68.l 67.8 8 17 69.0 68. 2 67.5 9 18 68.9 68.l 67.6 10 19 69.3 68.0 67.9 11 20 69.1 68.4 68.0 12 21 68.7 68. 2 67.3 13 22 68.l 67.4 14 23 70.2 69.4 68.4 15 24 68.3 67.9 66.4 16 25 69.2 68.4 67.6 17 26 68.9 68.0 67.5 18 27 70.2 69.4 68.5 19 28 67.7 67.3 66.7 20 29 69.7 69.l 68.2 21 30 68.6 67.8 67.1 22 31 69.4 68.4 67.8 23 32 68.0 67.7 66.6 24 33 69.4 68.4 69.1 Pre ILRT Calibration Check 5-19-83 Post ILRT Calibration Check 5-24-83 Type T the.rmocouple special + O. 75°F Calibration Date 4-7-83 lLRT Standard op 66.7 66.9 67.0 66.8 66 *. 9 66.8 66.8 66.9 66.8 66.8 67.0 66.8 66.7 67.7 66.1 66.8 66.6 67.9 66.1 67.7 66.4 66.4 66.2 68.0 Attachment 2

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ATTACHMENT S SITE METEOROLOGY PRIOR TO AND DURING ILRT DRY BULB TEMPERA"TRUE C.5.b 54-. .b S-4.I h l. I 8 bS-.7 S-S. I 5.:2.. .S-J. I b!L c.J. B' J, 7 +.lo l,/.L/-hO.j_ s-e.9 -,4,7 b3. '3 I:> I *O s9.:J
,9. BAROMETRIC DEW PRESSURE POINT \4-, fY-r&../..79 ,4,7q eL 1.+. 3 p-f. 7Lj 1../-. ? y. I i.J_ I 7 -:2. 7S-1e.J.7S-l if, ?O __ Lc.1-* b8 JJ. t:,S-I+* bij-I '-f . {, '-/-- I'-/.. S-2 I 4-.S9 } t.J. s-s-Jt..J.., s.µ 1c./-* Attachment S Page 5 of 5 o'Z..* 5 411.. s-. 9 )..q, lo 4-i2 .1 t.J. t../ ' 7.1,, 3'-1-. 8 t../n . .r c../-3,0 5.:J. ./ tf.t.r 4q,/ .!Jl/ SY.*b Sb,) s7. 1 _s-9.e Attachment 4 Page 9 of 13 -*REMARKS t_, L.eAR. ---. *---.. . . .. -. . . -* -* -* -. .. *-----------. . ---* --. -* Rev. 00 TIME/ DATE ATTACHMENT 5 SITE METEOROLOGY PRIOR TO AND DURING ILRT DRY BULB
TEMPERATRUE BAROMETRIC PRESSURE DEW POINT Attachment 4 Page 10 of 13 *REMARKS f foS-. 1'-/-. l.J.-3 o. 0 -* -. S'-17 ( 0 t::../ z. 5 7.
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. ATTACHMENT S H.t:t:acnment 4 Page 11 of 13 SITE METEOROLOGY PRIOR TO AND DURING ILRT i-DRY BULB TJflli;;/ DATE
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* * -I SALEM UNIT NO. 2 VERIFICATION TEST READ REAL AMBIENT AVG AVG AVG AVG CONST GAS VOLUME TIME TIME TF..MP PRESS CONT DEW PT VAPOR CONT MASS METER TEMP TEMP PRESS PRESS (Hrs) (Hr/Mn) (DegF) (Psia) (DegF) (DegF) (Psia) (Psia) (Lbm) (C. F. ) (C. F.) o.oo 11 40 75.91 14.44 69.508 63.785 0.292 62.959 837407.2 0.25 11 45 73.75 14 .44 69.491 63.816 0.293 62.958 837417.6 0.50 11 50 76.52 14. 44 69. 513 63.810 0.293 62.957 837376.5 17307.5 0.75 11 55 78.10 14.44 69.495 63.788 0.292 62.958 837421.2 17477.0 169.5 1.00 12 00 76.61 14. 44 69.489 63.841 0.293 62.957 837403.3 17631.5 154. 5 1.25 12 05 76.40 14.44 69.474 63.822 0.293 62.951 837356.5 17796. 5 165.0 1. 50 12 10 77. 76 14.44 69. 4 72 65. 313 0.308 62.947 837096.l 17765.5 169.0 1.75 12 15 77.64 14 .44 69.461 63. 728 0.292 62.942 837268.4 18157.0 191. 5 2.00 12 20 78.33 14. 44 69.479 63. 717 0.292 62.936 837161. 2 18355.0 198.0 2.25 12 25 76.12 14.44 69.442 63.728 0.292 62.933 837177.6 18543.0 188.0 2.50 12 30 76.57 14.44 69.459 63.796 0.292 62.927 837068.4 18738.0 195.0 2.75 12 35 77.06 14.44 69.465 63.793 0.292 62.918 836938.6 18932.0 194.0 3.00 12 40 76.27 14. 44 69.439 63.773 0.292 62.914 836928.9 19127.0 195.0 3.25 12 45 77.34 14.44 69. 427 63.757 0.292 62. 909 836875.3 19319.0 192.0 3.50 12 50 76.67 14. 43 69.453 63.787 0.292 62.905 836783.7 19514.0 195.0 3.75 12 55 75.89 14 .43 69.426 63. 778 0.292 62.901 836774. 7 19710.0 196.0 4.00 13 00 75.82 14.43 69.453 63.794 0.292 62.897 836675.l 19907.3 197.3 4.25 13 1[)5 74.79 14.43 69.450 63.745 0.292 62.891 836606.6 4.50 13 10 75.24 14.43 69.447 63.806 0.292 62.888 836556.8 4.75 13 15 74.24 14.43 69.443 63.757 0.292 62.888 836576.4 s.oo 13 20 74.33 14.42 69.481 63.799 0.292 62.888 836509.7 Initial Gas Meter Reading 17307.5 c.f. Final Gas Meter Reading 19907.3 c.f. "t1 ::i: Volume 2599.8 c.f. Ill n \Q r1 CD OJ G Pv 62.891 x 2599.8 I-' M == 144 RT 53.35 x 69.450 + 459.7

834.02 lbm 8 o ro Hi ::i r1 M1 = 837421.2 lbm I-' lJ M2 = 836556.8 lbm M -(Ml -M2) = 834.02 (837421.2
-836556.8) = 30.38 lbm ATTACHMENT 6 Ml6E UNIT II Containment Type B & C Total Leakage summary Sheet Allowable Type B & C Leakage (0.6LA) = 129,750 seem Allowable Type B Airlock Leakage (0.05LA) = 10;812 seem 1982/1983 WINTER/SPRING OUTAGE RESULTS Type B Elec. Pen 0 seem Type B Mech. Pen 1,528 seem Type c valves 14,505 seem 130' Airlock 1,162 seem 100' Airlock 972 seem TOTAL 18,167

ATTACHMENT 6 MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS 1 AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type B and C leakage (0.6 La) = 129,750 SCCM per unit. Allowable air lock leakage (0.05 La) = .10,812 SCCM per unit. PREVIOUS CURRENT DELTA COMPONENT(S) LEAKAGE LEAKAGE LEAKAGE TEST DATE TESTED SCCM *SCCM SCCM REMARKS 1-28-83 21 cs 2 -305 *+ 305 Penetration 1-28-83 22 cs 2 -1058 +1058 II #44 1-28-83 21 cs 48 -1112 +1112 II #43 1-28-83 22 cs 48 -1186 +1186 II #44 1-26-83 2 cs 900 -0 0 II #56A 1-26-83 2 cs 901 II #56A 2 cs 902 -0 0 II #56A 2 cs 903 II #56A 2-5-83 21 CA 330 50 611 + 561 II #56 3-8-83 22 CA 330 182 115 -67 II #'23A #43 1-31-83 2 cc 113 140 46 -94 11#35;tst.W/2CC215 1-30-83 2 cc 117 237 375 + 138 II #32 2-16-83 2 cc 118 935 357 -578 II #32 1-30-83 2 cc 131 0 428 + 428 II #39 2-2-83 2 cc 136 1263 188 -1075 II #33 Ml6E Page 1 of 9 Rev. 00 *
ATTAC. 6 MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS 1 AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type B and C leakage (0.6 La} = 129,750 SCCM per unit. Allowable air lock leakage (0.05 La} = 10,812 SCCM per unit. PREVIOUS CURRENT DELTA COMPONENT(S} LEAKAGE LEAKAGE LEAKAGE TEST .DATE TESTED SCCM SCCM SCCM REMARKS 2-2-83 2 cc 186 0 455 . +455 Penetration
33 2 cc 187 1-30-83 2 cc 190 0 456 +456 II #39 2 cc 208 1-31-83 2 cc 215 140 46 -94 2 CV 3 3-1-83 2 CV 4 0 58 + 58 II #17A 2 CV 5 3-1-83 2 CV 7 45 58 + 13 II #17A ' 3-10-83 2 CV 69 99 6 -93 II #36 .. 3-10-83 2 CV 74 0 183 +183 II #36 2-22-83 2 CV 116 3 221 +218 II #37 2-2-83 2 CV 284 122 442 +320 II #37 2 CV 296 1-27-83 2 DR 29 2 144 +142 II #22 1-27-83 2 DR 30 0 142 -+142 II #22 Ml6E Page 2 of 9 Rev. 00 * -I r I I
MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS 1 AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type B and C leakage (0.6 La) = 129,750 SCCM per unit. Allowable air lock leakage (0.05 La) = 10,812 SCCM per unit. PREVIOUS CURRENT DELTA COMPONENT(S) LEAKAGE
LEAKAGE LEAKAGE TEST DATE TESTED SCCM SCCM SCCM REMARKS* 1-28-83* 2 FP 147 61 362 +301 Penetration.#57 4-29-83 2 1',P 148 -310 +310 " #57 3-8-83 21 GB 4 31 659 +628 " #14 3-7-83 22 GB 4 33 0 -33 " #12 3-7-83 23 GB 4 6 23 + 17 " #15 3-7-83 24 GB 4 49 11 -38 " #13 1-27-83 2 NT 25 4 0 -4 II #21 1-27-83 2 NT 26 53 23 -30 " #21 2-8-83 2 NT 32 6,700 0 -6,700 " #21B 2-8-83 2 NT 34 142 78 -64 " #21B 1-30-83 2 PR 17 0 0 0 ". #18C 2-1-83 2 PR 18 0 0 0 " #18C 4-8-83 2 SJ 53 42 2 -40 " #25 2 SJ 60 Ml6E Page 3 of 9 Rev. 00

I

6 MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS 1 AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type B and C leakage (0.6 La) = 129,750 SCCM per unit * . Allowable air lock leakage (0.05 La) = 10,812 SCCM .per unit. PREVIOUS CURRENT DELTA COMPONENT(S) LEAKAGE LEAKAGE LEAKAGE TEST DATE TESTED SCCM SCCM SCCM REMARKS 4-8-83 2 SJ 123 84 2 -82 Penetration 2-5-83 2 SS 27 14 0 -14 II #25A 2-2-83 2 SS 33 11 28 + 17 II #18 4-23-83 2 SS 49 0 112 +112 II #18A 1-29-83 2 SS 64 0 0 0 II #188 ---2-1-83 . 21 SS 93 -60 + 60 II #62 2-1-83 22 SS 93 -48 . + 48 II #62A 2-1-83 23 SS 93 -0 0 II #63 2-1-83 24 SS 93 -45 + 45 . II #63A 2-1-83 21 SS 94 0 7 + 7 II #62 2-1-83 22 SS 94 0 0 0 II #62A 2-1-83 23 SS 94 0 0 0 II #63 2-1-83 24 SS 94 0 0 0 II #63A Ml6E Page 4 of 9 * #25 Rev. 00
ATTACme._Nr 6 MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS l AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type B and C leakage (0.6 La} = 129,750 SCCM per unit. Allowable air lock leakage (0.05 La} = 10,812 SCCM per unit. PREVIOUS CURRENT DELTA COMPONENT(S} LEAKAGE LEAKAGE LEAKAGE TEST DATE TESTED SCCM SCCM SCCM REMARKS 2-5-83 2 SS 103 19 5 -14 Penetration 2-2-83 2 SS 104 10 17 + 7 II #18 4-23-8'3 2 SS 107 0 179 +179 II #18A 1-29-83 2 SS 110 0 0 0 II #18B 5-9-83 21 SS 181 -142 +142 II #36 5-6-83 21 SS 182 -0 0 II #36 5-6-83 21 SS 188 -0 0 II #36A 5-6-83 21 SS 189 -0 0 II #36A 5-6-83 23 SS 181 -0 0 II #30 5-6-83 23 SS 182 -4 + 4 II #30 5-6-83 . 23 SS 184 -0 0 II #30A 5-6-83 23 SS 185 -0 0 II #30A. 1-26-83 2 SS 900 -0 0 II #17 #25A Ml6E Page 5 of 9 Rev. 00 *
*\ ATTA9ENT 6 MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS 1 AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type 8 and C leakage (0.6 La) = 129,750 SCCM per unit. Allowable air lock leakage (0.05 La) = 10,812 SCCM per unit. PREVIOUS CURRENT DELTA COMPONENT(S) LEAKAGE LEAKAGE LEAKAGE TEST DATE TESTED SCCM SCCM SCCM REMARKS 1-26-83 2 SS 901 -0 0 Penetration 2-11-83 2 SF 22 -253 + 253 II #66 ' 3 2 SF 36 -II #66A 3-5-83 2 SA 118 -439 + 439 II #238 3-15-82 2 SA 119 -532 + 532 II #238 2 SA 270 II #61 1-29-83 2 SA 267 -88 + 88 II #61A 2 SA 264 II .#618 2 SA 268 -II #61 1-29-83 2 SA 265 -9.6 + 96 II #61A 2 SA 262 II #618 1-28-83 2 vc l 3,361 323 -3038 II #19 2 vc 2 1-27-83 2 vc 3 2,549 150 -2399 II #20 2 vc 4 5-12-83 2 vc 5 850 62 -788 II #40 2 vc 6 Ml6E Page 6 of 9 #17 Rev. 00 *
I

1\ ATTACHMENT 6 "--MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS 1 AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type 8 and C leakage (0.6 La) = 129,750 SCCM per unit. Allowable air lock leakage (0.05 La) = 10,812 SCCM per unit. PREVIOUS CURRENT DELTA COMPONENT(S) LEAKAGE LEAKAGE LEAKAGE TEST DATE TESTED
SCCM SCCM SCCM REMARKS 2-7-83 2 vc 7 556 200 -356 Pen. #E-228 2-7-83 2 vc 8 166 179 + 13 II #E-228 . 2-4-83 2 vc 9 -293 +293 II #E-22C 2-4-83 2 vc 10 -35 + 35 II #E-22C 2-6-83 2 vc 11 109 2 -107 II #E-22 2-7-83 2 vc 12 452 248 -204 II #E-22 2-8-83 2 vc 13 -120 +120 II #E-22A 2-8-83 2 vc 14 -117 +117 II #E-22A *4-30-83 21 vc 17 43 + 43 II #E-36 30-83 21 vc 18 2 + 2 II #E-36 30-83. 21 vc 19 46 + 46 II #E-36 30-83 21 vc 20 1 + 1 II #E-36 -Ml6E Page 7 of 9 Rev. 00 *

\
6 MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS 1 AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type B and C leakage (0.6 La) = 129,750 SCCM per unit. Allowable air lock (0.05 La) = 10,812 SCCM per unit * . PREVIOUS CURRENT DELTA COMPONENT(S) LEAKAGE LEAKAGE LEAKAGE TEST DATE TESTED SCCM SCCM SCC1'1 REMARKS 5-3-83 22 vc 17 -6 + 6 Penetration 5-3-83 22 vc 18 -6 + 6 II #E-30 5-4-83 22 vc 19 -35 +35. II #E-30 5-3-83 22 vc 20 ...., 9 + 9 II #E-30 2-4-83 2 WL 12 0 11 +11 II #27 2-4-83 2 WL 13 10 98 +88 II #27 2-5-83 2 WL 16 8 24 +16 II #45 2-5-83 2 WL 17 9 10 + 1 II #45 2-2-83 2 WL 96 2 5 + 3 II #18D 2-2-83 2 WL 97 1 6 + 5 II #18D 2-4-83 2 WL 98 3 84 +81 II #21A 2-4-83 2 WL 99 182 231 +49 II #21A 2 Wl 108 Ml6E Page 8 of 9 *
I #E-30 Rev. 00
1) ATTACHMENT 6 -MAINTENANCE PROCEDURE Ml6E ENCLOSURE 7 UNITS 1 AND 2 CONTAINMENT TYPE B AND C TOTAL LEAKAGE
SUMMARY
SHEET Allowable Type B and C leakage (0.6 La) = 129,750 SCCM per unit. Allowable air lock leakage (0.05 La) = 10,812 SCCM per unit. PREVIOUS CURRENT DELTA COMPONENT(S) LEAKAGE. LEAKAGE LEAKAGE TEST DATE TESTED SCCM SCCM SCCM REMARKS 2-11-83 2 WL 190 -*check
Pen. #66A: 2 WL 191 -2SF 22&36 #66: 2-1-83 2 WR 80 6 3 -3 II #22A 2-1-83 2 WR 81 166 105 -61 II #22A 6-20-83 2 vc 1 & 2 323 150 -173 6-20-83 2 vc 3 & 4 150 64 -86 6-20-83 2 vc 5 & 6 62 320 + *258 5-18-83 100' A/L 5,180 972 -4208 130 1 30 1162 +1132 outage II Bii Tests 165 1528 +1363 *WL 190 & 191 Tested W/2SF 22 & 36 Ml6E Page 9 of 9

Rev. 00 VALVE :INSIDE . 21 cs 48* 22 cs 48 *2 cs 900, 901 ----2CC190, 208 /_) 2 cc 186 2 cc 187 ' 2 CV :; , 4, 5, 2 CV 74 2 CV 284 & 296 2 DR 30 2 FP 148 2 NT 26 2 .NT 34

2 PR 17 Ml6E 1982/1983 OUTAGE RESULTS OMIT 2 TYPE C TESTING LEAJtAGE VALVE OOTSIDE 21 cs 2 22 cs 2 2 cs 902, 903 21 CA 330 22 CA 330 2 cc 113 2 cc 215 2 cc 117, 2 cc 118 2 cc 131 2 cc 136 2 CV 7 2 CV 68 or 69 2 CV 116 2 DR 29 2 FP 147 ' 21 GB 4 22 GB 4 23 GB 4 24 GB 4 2 NT 25 2 NT 32 2 PR 18 Page 1 of 3 AS POUND 1235 1190 0 962 1162 92 312 460 505 59 206 205 152 140 10,230 14,100 >20,000 14v480 25 92 0 Rev. 00
'. UNIT 2 TYPE C TESTING LEAltAGE ** VALVE VALVE AS INSIDE OOTSIDE POUND -2 SJ 123 2 SJ 53, 60 2 2 SS 103 2 SS.27 5 .. 2 SS 104 2 SS 33 30 21 SS 182 21 SS 181 0 21 SS 188 21 SS 189 0 23 SS 182 23 SS 181 4 23 SS 184 23 SS 185 0 2 SS 107 2 SS 49 . 81 2 SS 110 2 SS 64 0 21*ss 93 21 SS 94 0 22 SS 93 22 SS 94 0 23 SS 93 23 SS 94 0 24 SS 93 23 SS 94 21 *2 SS 901, 900 0 2 SA 119 2 SA 118 1154 2 SA 270 2 SA 268 2 SA 267 2 SA 265 87 2 SA 264 2 SA 262 --* 2 vc 2 2 vc 1 323 2 vc 3 2 vc 4 150 2 vc 6 2 vc 5 >20,000 2 vc 7 2 vc 8 300 2 vc 11 2 vc 12 2 22 vc 19 22 VC 17 3 ** Ml6E Page 2 of 3 Rev. 00

UNIT 2 TYPE C TESTING LEAKAGE

VALVE VALVE AS INSIDE

OOTSIDE POOHD -22 vc 20 22 vc 18 10 2 vc 9 2 vc 10 >20, 000 -2 VC 13 2 vc 14 >20,000 21 vc 19 21 vc 17 57 21 vc 20 21 vc 18 l 2 WL 12 2 WL 13 8 2 WL 16 2 WL 17 11 2 WL 96 2 WL 97 7 2 WL 98 *2 WL 99, 108 82 2 WL 190 2 SF 36 2 WL 191 2 SF 22 253 2 WR 81 2 WR 80 175

Ml6E Page 3 of 3 Rev. 00
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ML18089A422

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4.1 Precautions

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ML18089A422

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4.1 Precautions

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