ML20087N318
| ML20087N318 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 03/26/1984 |
| From: | Schuster T COMMONWEALTH EDISON CO. |
| To: | |
| Shared Package | |
| ML20087N314 | List: |
| References | |
| (0380M), (380M), NUDOCS 8404030335 | |
| Download: ML20087N318 (62) | |
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s REACTOR CONTAIIGtENT BUILDING INTEGRATED LEAKRATE TEST BYRON NUCLEAR POWER STATION UNIT ONE
' S*Ptember 2 - September 26, 1983 Prepared by - T. K. Schuster 8404030335 840326 PDR ADOCK 05000454 A PDR (0380N)
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L k o TABLE OF CONTENTS f 1.0 Abstract 3 2.0 Summary of Type A. B & C Test Results 4 , 3.0 Test Preparations 9 4.0 Test Methodology 12 5.0 Sequence of Events 14 6.0 Type A Test Data 23 6.1 Reduced Pressure Test 6.2 Full Pressure Test 6.3 Full Pressure Supplemental Test 7.0 Type A Test Plots 30 7.1 Reduced Pressure Test 7.2 Full Pressure Test 7.3 Full Pressure Supplemental Test 8.0 Interpretation of Test Results 50 8.1 Reduced Pressure Test 8.2 Full Pressure Test 8.3 Full Pressure Supplemental Test 9.0 Type B & C Test Results 51 10.0 Attachments (0380M) i k . ' -- - - ______.____.____________._________._______U
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m. s 1.0 ABSTRACT This report provides the details of the Byron Unit one Preoperational Contaitument Integrated Leakage Rate Test (ILRT) performed on September 2 - September 26 of 1983. The test was performed in accordance with 10CFR50 - Appendix J. ANSI N45.4-1972 and the Byron Station Final Safety Analysis Report
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4 The report 1,ncludes information about 8 phases of the Byron Unit 1 Containment
- Leakage Rate Test Program which are defined as follows:
Phase 1 - Type B & C Local Leakage Rate Testing Phase 2..-_ILRT/ SIT Plant Equipment Lineup _ Phase.3 ; Unit 1 Structural Integrity Test (SIT) o Phase 4 - Completion of remaining Type B & C Tests Phase 5 - peduced Pressure ILRT -
- Phase 6- . Full Pressure ILRT Phase 7 - Full Pressure Supplemental ILRT Phase 8 - Post ILRT Restoration Phase 9 - Type B and C Retesting ,
Phase 1 testing took place in June-August of 1983. A brief discussion of the Phase 1 Local Leakage Rate Test Methodology and a summary of the leakage rates can be found in section 9. Phase 2 started on September 2 and Phase 8
,concludwi on September 26, 1903.
l Phase 9 was necessary because a number of penetrations would not yield I- acceptable. leakage rates prior to the ILRT and were blocked or sealed during 1' v the ILRT. Their leakago rates were obtained subsequent to the ILRT and added to the overall Integrated Leakage Rate determined for Unit 1 Containment.
, Final Approval of the Byron Unit one Pre-Operational Test - Containment Integrated Leakage Rate Test (ILRT) - was given on December 15, 1983.
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s D 2.0 SUIMARY OF TYPE A. B. & C TEST RESULTS 2.1 Acceptance criteria for the Type A Test. Each acceptance criteria for the Integrated Leakage Rate Test was met as follows. 2.1.1 Acceptance criteria #1 stated the overall Integrated Leakage Rate, which is equal to the 95% Upper confidence Limit (UCL) of Lam (Lucla) added to the required Local Leakage Rate additions,shall be less than 0.75 aL for the Full Pressure ILRT. La is equivalent to 0.1 weight s/24 hours of the containment free air mass pressurized to Pa (43.6 psig). Therefore, 0.75 La equals 0.075 %/ day or 342.51 SCFH. The 95% Upper Confidence Limit of Lam (Lucla) recorded for the 24 hour Full Pressure ILRT is 0.0058%/ day or 26.49 SCFH. The required Local Leakage Rate additions are as follows: Condition Pene.# System during ILRT Reason Leakage ** P-l* CS Sealed ICS008A-leaked 9.0 1 0.7 SCFH P-16* CS Sealed ICS008B-leaked 16.5 1 0.7 SCFH P-4* W Open to Cont. Cont. Press /Line 0.0 1 0.1 SCFH P-4* W Open to Cont. Cont. Press /Line 0.0 1 0.1 SCFH P-82 SD Flooded No way to drain 0.4 1 0.1 SCFH P-83 SD Flooded No way to drain 3.7 1 0.1 SCFH P-80 SD Flooded No way to drain 0.0 10.1 SCFH P-81 SD Flooded No way to drain 0.95 1 0.1 SCFH . P-88 SD Flooded No way to drain 0.40 1 0.1 SCFH P-89 SD Flooded No way to drain 0.40 1 0.1 SCFH P-90 SD Flooded No way to drain 1.25 1 0.1 BCFH P-91 SD Flooded No way to drain 1.45 1 0.1 SCFH P-52* PR Sealed IPR 032-leaked 16.0 1 0.7 SCFH P-28* CV Sealed ICV 8113-leaked 0.4 1 0.1 SCFH P-31* PS Sealed IPS231B-leaked 18.36 1 0.7 SCFH P-65* RE Sealed 1RE9160A-leaked 2.83 1 0.1 SCFH P-27* RY Sealed 1RY8047-leaked 11.11 1 0.7 SCFH P-24* CC Sealed ICC9518-leaked 3.57 1 0.1 SCFH P-I3 W Open to Cont. ILRT Use 0.4 1 0.1 SCFH l P-I3 W Open to Cont. ILRT Use 0.0 1 0.1 SCFH P-6* WO Sealed 1WOOO7A-leaked 11.11 1 0.7 BCFH L P-10* WO Sealed lWOOO7B-leaked 14.14 1 0.7 SCFH Local Leakage Rate Additions - TOTAL 111.971 1.9 SCFH
- Local Leakage Rate tests for these items were conducted subsequent to the ILRT
** Errors are calculated throughout this evaluation using the following method:
Error total = (E,* + E * + ...E*)* in = number of additions The overall Integrated Lea 5 cage Rate for Unit 1 Containment is j equal to 138.46 1 1.9 SCFH or 0.031 %/ day. l L (0380N)
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b ' 2.1.1 COlffINUED 2.1.2 Acceptance Criteria #2 stated the measured composite Leakage Rate Lc shall be within 0.25 La of the sum of the superimposed leakage to and the previously measured leakage Lam. In equation form, using 0.25 La equal to 1.90 SCFN: (Lo + Lam - 1.90) $ Le 1 (Lo + Lam + 1.90) (7.528 + 0.282 - 1.903) 16.103 $ (7.528 + 0.282 + 1.903) 5.907 $ 6.103 $ 9.713 at 4 hours, leakage rates are in SCFM. 4 or, in another form ]Le - Lo - Laul 1 1.90 SCFM. , The value of the expression "Lc-Lo-Lam" was equal to
-1.707 SCFM after four hours of the Full Pressure Supplemental Test. The absolute value, 1.707 SCFM was less than 1.90 SCFM and therefore met the acceptance criteria. The superimposed leakage rate shall be between 75% and 125% of La or, in equation form:
5.71 SCFM < Lo < 9.51 SCFM i Lowas within its criteria at an average value of 7.528 SCFM for the four hout Full Pressure Supplemental Test.
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.2.2 Acceptance Criteria for the Type B & C Tests.
2.2.1 Acceptance Criteria #1 stated that the combined leakage rate, including the measurement error for all penetrations and valves l subject to Type B & C tests shall be less than 0.60 aL at a minimum pressure of aP . For Byron Unit 1 containment La is equal to 0.1 weight percent per 24 hours of the containment free air mass pressurized to Pa (43.6 psig). Therefore 0.60 L a is equal to 0.060Vday or 274.00 SCFM. The combined leakage rate including the measurement error for all performed Type B & C tests including retests is 225.28 1 2.82 SCFH. This measured combined leakage rate of 225.28 1 2.82 SCFH falls below the acceptance criteria limit of 274.00 SCFH. 2.2.2 Acceptance Criteria #2 for Containment Air Locks, stated that the Equipment Door Airlock and the Emergency Personnel Airlock shall each have a leakage rate of less than or equal to 0.05 La at a minimum pressure of Pa (43.6 psig), where 0.05 La = 22.83 SCFH. Two 4-bolt, blind flanged test ports are included on each airlock. One of these test ports on each lock was used as the pressurization path. The individual leakage rate for the f 4-bolt, blind flange removed during pressurization must be added to the respective airlock's leakage rate. However, each individual test ports' blind flange was found to have a leakage rate of zero SCFH. The leakage rates for the Equipment Door Integral Personnel Lock and the Emergency Personnel Lock are as . follows: Equip. Door Integral Personnel Lock 0.4 1 0.1 SCFH
+ Blind Flange #1 0.0 1 0.1 SCFH 0.4 1 0.14 SCFH Emerg. Personnel Lock 6.5 1 0.7 SCFH
+ Blind Flange #1 0.0 + 0.1 SCFH 6.5 1 0.71 SCFH
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The leakage rates for the Equipment Door and Emergency Personnel Airlock, 0.4 1 0.14 SCFH and 6.5 1 0.71 SCFH. respectively, fall below the acceptance criteria limit of 22.83 SCFH. 1 l. i
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-2.2.3 Acceptance Criteria #3 requires that the Normal Containment Purge penetrations P-95 & P-97 (Containment isolation valves IVQ001A, & B, IVQ006, IVQ002A, & B, IVQOO7) shall each have a measured leakage rate less than 0.05 La (22.83 SCFH) at a ,
minimum pressure of Pa (43.6 psig). ! P-97 Containment Normal Purge Leakage Rate = 3.2 1 0.1 SCFH (lVQ001A, B & IVQ006) P-95 Containment Normal Purge Leakage Rate - 4.8 1 0.1 SCFH (IVQ002A, B & IVQOO7) Penetration 97's and 95's test connection isolation valves, IVQ006 and IVQ007 respectively, each had a measured leakage rate of zero. -
-The maximum leakage rate for Penetration 97 was 3.2 plus 0.1 SCFH or 3.3 SCFH. This falls below the acceptance criteria limit of 22.83 SCFH.
The maximum leakage rate for Penetration 95 was 4.8 plus 0.1
~SCFH or 4.9 SCFH. This falls below the acceptance criteria .
limit of 22.83 SCFH. 2.2.4 Acceptance criteria #4 requires that the Miniflow containment Purge penetrations P-94 & P-96 (Containment isolation valves IVQ004A & B, IVQ008, IVQ005 A,B & C,1V9003, and IvD009) shall , each have a measured leakage rate less than 0.05 La (22.83 SCPH) at a minimum pressure of Pa (43.6 psig). P-96 Cont. Miniflow Purge Leakage Rate = 16.0 1 0.7 SCFH (lVQ004A, B & IVQ008) P-94 cont. Miniflow Purge Leakage Rate = 1.4 1 0.1 SCFH (1VQ005A, B, C, IVQ003 and IVQ000) Penetration 96's and 94's test connection isolation valves IVQ008 and IVQ009 respectively, each had a measured leakage rate of zero. The maximum leakage rate for Penetration 96 was 16.0 plus 0.7 L SCFH or 16.7 SCFH. -This falls below the acceptance criteria l . limit of 22.83 SCFH. l [ The maximum leakage rate for Penetration 94 was 1.4 plus 0.1 L SCFH or 1.5 SCFM. This falls below the acceptance criteria limit of 22.83 SCPH. l l' ,. (0380M)- a _~ =.- - =_= n =. =.
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- Interspace shall have a measured leakage rate less than 9.67 SCFH at a minimum pressure of 10 psig*. This leakage limit was calculated assuming a linear relationship between leakage rate and test volume pressure.
The measured leakage rate for each Lock Door Gasket on the Equipment Door Intearal Personnel Airlock was less than 0.4 1 0.1 SCFH. Lock Inner Door Gasket 0.4 SCFH i 0.1 SCFH Interspace Leakage Rate . Lock Outer Door Gasket 0.4 SCFH i 0.1 SCFH Interspace Leakage Rate The maximum leakage rate in each case was 0.4 + 0.1 SCFH or 0.5 SCFH. Each was less than the acceptance criteria limit of 9.67 SCFH. The measured leakage rate for each Lock Door Gasket on the l Emeraency Personnel Airlock was zero, i Lock-Inner Door Gasket 0 SCFH i 0.1 SCFH Interspace Leakage Rate Lock Outer Door Gasket 0 SCFH 1 0.1 SCFH Interspace Leakage Rate The maximum leakage rate in each case was then 0.0 + 0.1 SCFH or 0.1 SCFH. Each was less than the acceptance criteria limit of 9.67 SCFM. f
- The n.aximum design pressure for the Door gasket interspace is 11.0 psig as found in the Vendor Instruction Manual for Airlocks and Closurer.
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a .%~L :t cu.a.;had2.2 maw;% usamac.6 w daLaL Lwwima L. : s 4s 3.0 Test Preparations 3.1 Tvoe A Test Procedure The Unit 1 Preoperational Containment ILRT was performed in accordance with Byron Startup Manual, Revision 15 and Preoperational Test Procedure 2.58.11. Revision 2. During the performance of the test 18 Test Change Requests (TCR's) were written to change the 2.58.11 procedure. The majority of the TCR's were of a minor nature. The ILRT procedure (2.58.11, Rev. 2) was written to comply with Appendix J of 10CFR50 and ANSI N45.4-1972. Although much of the methodology employed was that of ANSI 56.8 - 1981, containment , System Leakage Testing Requirements. 3.2 Type A Test Instrumentation
!* Attachment 10.1 (ILRT Sensor Placement) shows the physical locations of the temperature (RTD or T) and humidity (DEW or D) sensors within the Containment. RTD's and DEW cells located below the 426' level and above the containment basement floor at 377' were placed in one of two suovolumes. Either Inside the Missile Barrier (Ile) or Outside the Missile Barrier (Ole) at the location indicated at the bottom of Attachment 10.1.
Twenty-Five RTD's,~ ten Dew Cells and two absolute pressure gauges connected to a Volumetrics Dual Multiplexor Scanner and Data Acquisition System (DAS) were the main instrumentation used in the Byron Unit.1 ILRT. Additional instrumentation used included an ambient pressure transducer, ambient temperature RTD, vacuum gauges for zeroing tne absolute quartz-bourdon tube pressure gauges and a thermal mass flowneter used to measure the superimposed leakage of the supplemental verification test. Attachment 10.2 contains specifications for the aforementioned equipment including values for accura q , repeatability,
- sensitivity and resolution for RTD, Dew Cell and pressure L sensors. The quality and quantity of sensors chosen were such that the Instrument Selection Guide (ISG)* value would still be '
less than 0.25 La for a test duration less than 24 hours assuming failure of several RTD's or Dew Cells and one pressure sensor. l-
- ISG is defined in ANSI 56.8 - 1981.
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3-Attachment 10.3 depicts the general arrangement relative to the containment wall of sensors Multiplexor Scanner and the Data Acquisition System (also known as the Integrated Leakage Rate
;. Monitoring System). The two absolute quartz bourdon tube pressure gauges were physically located outside containment within the DAS console. They were connected to Containment by a short run of poly-flo tubing. The thermal mass flowmeter, also j located in the DAS console, was connected to containment by an independent run of poly-flo tubing. All electrical interconnection between the Multiplexor Scanner and the DAS was made through permanent Electrical Penetration E-13.
3.3 Tvoo A Test Data Processino i g Leakage rate dau was acquired by the DAS every 15 minutes. This-included Time, Julian Date, RTD temperatures, Dew Cell . temperatures and absolute pressure sensor readings. The data was sent electronically to the prime Computer through two telephone modems in a RS232 format as shown in Attachment 10.4. The Prime Computer placed the incoming data into a permanent file from which it drew one data set at a time to compute the leakage rate. From the Prime Computer User Terminal the data was reviewed for completeness and accuracy and then entered into the leakage rate program. Leakage rates, raw data and calculation summaries could be printed as desired for review and later permanent storage. The multicolor plotting of leakage rates and other data on both hard copy (Calcomp Plotter) and the RAMTEK 6200 CRT was available to facilitate trending parameters such as containeent_ leakage rate, dry air pressure, vapor pressure and containment average temperature. 3.4 Tvoe A Test Subvolume Determination The containment was divided into 5 discrete subvolumes. Subvolume demarkation, size and weighting factors are indicated on Attachment 10.1. Subvolume calculations are shown for subvolumes 1, 2 and 3. Subvolumes 4 and 5 were arrived at by totalling subcompartment volumes used in the LOCA nodal analyses by Sargent and Lundy (plant architect-engineer). Subvolume 4 is defined as the annulus between the outermost containment wall and the Missile barrier below the 426' level. Subvolume 5 is the volume inside the Missile Barrier below the 426' level, not including the reactor cavity. Two dew cell sensors were distributed to each subvolume so that loss of any one sensor would not leave a subvolume uncovered.
. RTD sensors were placed so that each sensor had a weighting factor of 3-5% and loss of any one sensor would not result in an RTD weighting factor of greater than 10% for any single sensor.
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c_.; ,.wau.mM s _ n.dsaiuc. cas. .. .c.w A..w.sv4._..:.an .ca.a,a.i. _. al.:: ..ial.2m.$h-~, w l i 3.5 ILRT/ SIT Plant Equ1Deent Lineup t The valve and equipment lineups were detailed and specific, i.e.
, component by component with individual signoffs. This ensured a containment integrity conditions as close as possible to those which would exist after a design basis Loss of Coolant Accident (LOCA). It also assured penetrations were properly drained and ;
vented. ' 3.6 Structural Intecrity Test and Remaininc Local Leekage Rate Tests
;; The Structural Integrity Test (SIT) of Unit I containment preceded the Integrated Leakage Rate Tests. It utilized the valve and equipment lineup of the ILRT procedure to isolate'the containment and protect equipment within exposed to pressure.
During the SIT the containment was pressurized to greater than 57.5 psig or 115% of its design pressure of 50 psig. A post-SIT / pre-ILRT inspection of accessible interior and exterior containment surfaces indicated no significant deterioration of
, the containment structure. Immediately after the SIT a few remaining local leakage rate tests were performed, such as
. Electrical Penetration Zones. Equipment and maergency Personnel
. Locks and several Type C process line isolation valves. Valve and equipment lineups were reperformed if disturbed by the activity after the SIT.
3.7 - TvDe A Test Pressurization Two 3000 SCFM and two 1800 SCFM electrical " oil free" air compressors were used to pressurize containment. The compressors were located outside on the west side of the Fuel Handling Building. Pressurization was accomplished through a six inch header pipe which penetrates containment at p* penetration P-4. (See Attachment 10.5 for a general arrangement). l I e l l l t 1 L
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l 4 l 4.0 Test Methodology ~ 4.1 Reduced Pressure ILRT During this 24 hout test, pressure, temperature, and humidity . data were taken to determine the statistically averaged containment leakage rate tL m (weight percent /24 hours). h , test was' conducted at a nominal pressure of P: (24 psig) above the required minimum of 21.8 psig (0.5 P a). Reactor ) Containment Fan Coolers were operated during this test. The purpose was to obtain data which can be compared to the Full Pressure ILRT data and future Reduced Pressure ILRT results. ^; ^ 4.2 -Full Pressure ILRT During this 24 hout test, pressure, temperature, and humidity ! . data were taken to determine the statistically averaged h containment leakage rate LtestwasconductedatanonTna(weightpercent/24 hours). l pressure of 45 psig above the required. minimum of Pa (43.6 psig) the Design Basis Accident containment pressure. Reactor Containment Fan Coolers were not J run during this test. The purpose of this test was to determine a 95% Upper Confidence Limit value of Las for a 24 hout period. - 4.3 Temperature Stabilization Periods
' Prior to the start of each ILRT a Temperature Stabilization Period of a minimum duration of 4 hours was employed. The criterion for temperature stabilization was as follows:
The latest rate of change of the weighted average containment air temperature averaged over the last hour does not deviate by
< more than 0.5 'F/hr from the average rate of change of the
. weighted average containment air temperature averaged over the last 4 hours.
l 4.4 Supplemental Verification Test l l_ Following the Full Pressure ILRT. a deliberate leak of known y magnitude was superimposed on the existing containment leakage through a calibrated thermal mass floumeter. h superimposed leak was maintained between 0.75 aL and 1.25 La (5.71 and 9.51 SCFM). h duration of the test was defined as a minimum of 4 hours and 10 sets of data. h acceptance criterion for the test was follows: The statistically averaged Composite Leakage Rate (Lc) is within 0.25 La (1.90 SCFM) of the sum of the statistically averaged Full Pressure ILRT leakage rate (Lam) and the average flowmeter induced leakage rate (Lo). V (0380M) t . . ...
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. .>. a c as a :a.:.w w:a. i ,.La :. .w ,x.... x .2.x. _ ;;.. .- a ;. t. , u....a x :ua 4.5 Method of Leakage Rate Determination The leakage rate is assumed to be constant during the testing period, ideally yielding a straight-line plot with a negative slope. However, sampling techniques and test conditions are not
, perfect; consequently, the measured values will deviate from the ideal straight-line situation.
A least squares fit statistical analysis was performed to determine a regression line for mass versus time after each set of data was acquired. The slope of this regression line was designated to be the statistically averaged leakage rate (Lam) for the Full Pressure ILRT. Associated with the statistically averaged leak rate was the 9% upper confidence limit leakage rate (Lucla). The calculation of this upper limit was based upon the standard deviations from the regression line and the one-sided T Distribution function. An expanded discussion of the Least Squares Fit Statistical techniques used can be found in Attachment 10.6. f-l t
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t 09/07/83 continued 1145 Officially exited the ILRT procedure and turned control over to the SIT Test Engineer. All future work will be done following the SIT procedure until the SIT is complete. Necessary valve lineups for
- isolation of the containment for the SIT are complete.
. 5.2 Structural Integrity Test Pressurization 1150 Air Compressors started and pressurization begun.
? 1535 Containment pressure 9 10.6 psig and pressurization stopped for SIT pressure plateau. 1810 started increasing pressure from 10.7 psig. 1931 Pressurization continuing, containment pressure equal to 15 psig. 2134 Pressurization stopped at 20.9 psig. 2345 Recontinuing pressurization from 20.7 psig. 09/08/83 0313 Stopped pressurization 9 31.1 psig 0510 Restarted pressurization 9 30.8 psig 0855 Stopped pressurization 9 40.8 psig 1100 started pressurization 9 40.5 psig 1548 Stopped pressurization 9 50.9 psig 1740 started pressurization 9 50.6 psig 2257 Reached 57.5 psig. Pressurization essentially complete. One compressor left on and pressurization line kept open slightly to maintain pressure for 1 hour plateau - peak pressure reached was 57.7
.psig.
5.3 Structural Intecrity Test Depressurization 09/09/83 0055 Began depressurization from 57.6 psig.
.0213- Stopped depressurization at 52.0 psig.
0620' Started depressurization from 51.9 psig. 0924 Stopped depressurization at 41.0 psig. 1037 Started.depressurization 9 41.3 psig. (0380M)
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. 09/09/83 continued 1142 Opened the Equalizer valve on Emergency Personnel Lock to increase the depressurization rate. 1200 opened an additional 2" valve in pressurization /depressurization line. 1324 Stopped depressurization by closing all vent paths 9 31.5 psig. 1400 Valve 1A0VRY8033 was stroked closed by its Main Control Board handswitch (Step on P.67 of ILRT). 1442 Started depressurization by opening vent paths 9 31.9 psig. 1700 The out of Service on valve lIA083 was Temporarily Lifted so that Project Construction Dept, may work on leaky valve. Leakage found while pressurized for SIT.- 1752 Slowed down rate of depressurization to take data 9 21.7 psig. 1853 Continuing depressurization. Pressure 9 21.1 psig. 2114 Containment pressure 9 14.9 psig.
'2251 Containment pressure 9 11.4 psig. Depressurization slowed by closing some vent paths.
2356 Opened additional vent paths to increase depressurization rate.
- Containment pressure 9 11.0 psig.
~09/10/83 0256 Containment pressure 9 5.0 psig.
'0625 containment pressure 6 0.8 psig.
5.4 24 Hour Post-SIT Waitino Period & Pre-ILRT Preparations.
! 0755 Air lock door on Innergency Personnel Lock opened and containment completely depressurized to 0 psig. SIT personnel will not allow entry to the containment until either 90% relaxation of the containment walls has occurred o_t 24 hours has passed. They don't want anyone disturbing
. the extensometer wires.
1600 Reviewed Out of Services and Temporary Lifts of Out of Services authorized during the SIT for effect on ILRT Lineup. Beginning Local leakage Rate testing of Electrical Penetration Zones. Emergency Personnel Lock Test will also be performed tonight.
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w.l.'L .u.A. M .a ~. .uh.s;&han.a.wi..u.M.aa e. a:a. v..x.b ;:.w.u.= x. u%ML&.a s 09/11/83 0830 Chicago Bridge & Iron, Volumetrics and Instrument Maintenance personnel all working to get Dew Cells (3&4) Channels 32 & 33 i operable. Tech Staff working on RHR Train lA lineup to support ILRT. ; 1300 Both Pressurizer PORV's 455A & 456 are now blocked open. The SIT 1.og has been reviewed to identify any items which might have occurred that have an impact on the ILRT equipment lineup. Received a letter stating containment is structurally sound based on their post-SIT inspections. Continuing 1.ocal 1.eakage Rate testing. 2340 Summary of the " BLOCKED PENETRATIONS" during the ILRT. PENE# SYSTEM ColOITION REASON 1 CS Sealed Chk-1CS008A leaks 16 CS Sealed Chk-lCS008B leaks 6 WO Blind Flanged Chk-lWOOO7A leaks 10 WO P'~'d Flanged Chk-lWOOO7B leaks 27 RY x d Chk-lRY8047 leaks 24 CC .,ealed Chk-1CC9518 leaks 28 CV Sealed Chk-1Cv8113 leaks 31 PS Sealed Chk-lPS231B leaks 52 PR Sealed Chk-IPR 032 leaks 65 RE Sealed A0V-lRE9160A leaks 80 SD Flooded No method to den W/O drning S/G 81 SD . Flooded No method to drn W/O drning S/G 82 SD Flooded No method to den W/0 drning S/G 83 SD Flooded No method to drn W/0 drning S/G 88 SD Flooded No method to den W/0 drning S/G 89 SD Flooded No method to den W/O drning S/G 90 SD Flooded No method to den W/O drning S/G , 91 SD Flooded No method to den W/0 drning S/G P4 VQ Open/inside, Cont. Press / sealed /out Depressurization line I-3(2) VQ Both open-Inuse Monitor Cont. Press / Flow P19(2) RC Welded Pipe Design incomplete - Cap no isolation valves 09/13/83 0300 Checked weather - High pressure and stable conditions over the next few days. 5.5 Pressurization to Reduced Pressure ILRT Pressure 0403 Informed operations personnel that all Prerequisites and Initial Conditions including equipment lineups were complete and we were ready to enter section 9.1 (Containment Pressurization). 0425 Started the air compressors and began presr.urizing containment for the ILRT. (0380M). 1
aauteEJ92.E . 3. . c? m.v.w.au.acm.~e u. . ~ a.. ..ac w a m. arm :.v.m6axm o t 09/13/83 continued 0710 Stopped the air compressors 9 containment pressure equal to 7.3 psig, for last minute corrections and Mjustments to data link to prime computer. 1150 RCS water level (1LI-449) reads 15% level after adding 9%. 1205 Began re pressurizing containment. 1250 Declared the DAS ambient pressure gauge " Inoperable". We will use the 0-100 psig Heise gauge readings and DAS PI-l to calculate ambient. h 1500 15.5 psig in containment 1505 15.7 psig in containment, 9% level on ILI-449. 1540 Stopped pressurization and exited test momentarily to add additional % level in the RCS. Pressure in containment = 17.5 psig. 1600 Level of 18% establishing and pressurization begun. 1700 started the four Reactor Containment Fan Coolers on Low-Speed. 1710 Re-verified pressurization rate is less than high limit of 10 psig/ hour. Actual rate approx. 3 psig/ hour. 1751 Containment pressure is between 23.0 and 24.0 psig. 1815 Stopped pressurization at approximately 24.35 psig. 5.6 Reduced Pressure ILRT Temperature Stabilization 1900 Began the Temperature Stabilization Period for the Reduced Pressure ILRT. 5.7 Reduced Pressure ILRT 2300 Temperature Stabilization verified after 4 hours. Beginning the Reduced Pressure ILRT now. Containment Pressure 9 24.10 psig. All RTD's, Dew Cells and Absolute Pressure gauges working. 09/14/83 0715 We decided we might be causing the saw tooth of data (dew point temp., partial vapor pressure & dry air pressure) by letting RHR temperature swing too much. Briefed shift personnel to attempt to maintain RHR temperature i l'F rather than i 5'F. 1130- Allowed operational Analysis Dept Personnel to work on VQ dampers & fans. The work will not affect ILRT venting. l
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09/14/83 continued 1730 Individual dew point sensor temperatures were plotted by hand to check
. for abnormal temperature swings.
1800 Lost RHR Discharge Temp. recorder 1RT-612 for 20 minutes. Indication was restored. 2030. Quality Assurance completed a partia). review of executed procedure. 2310 Declared the Reduced Pressure ILRT complete. No leakage data sensors were lost for the duration of the test. Pressure = 24.20 psig. 5.8 Pressurization to Full Pressure ILRT Dressure 1 2400 Started the air compressors and have begun pressurizing for the Full Pressure ILRT. Containment Pressure = 24.30 psig. 09/15/83 1- 0100 .Heise gauge reading = 27.50 psig. l 0200 Heise gauge reading = 30.7 psig. i
; 0300 Heise gauge reading = 33.7 psig.
l 0400 Heise gauge reading - 36.8 psig.
'0420 'RCPC's overloading - ID tripped out - the shift shutdown the remaining RCPC's lA, 1B & IC.to let them cool off. Test Deficiency written.
0500 Heise gauge reading = 39.4 psig. 0505 Tried to start I:CFC IB - It ran 10 amps higher than when shutdown at 0420. 0600 Heise gauge reading = 42.5 psig. 0700 Heise gauge. reading = 45.25 psig. 4 0705 Shutting down the compressors containment pressure is approximately
, 45.2 psig.
09/15/83 0756 Exited the ILRT procedure. In 'the next couple of hours we must decide the impact.of the loss of the RCI'C's on full pressure test and what changes must be made to the ILRT procedure before continuing. 1 4 (0380R) .
= . - - - _ . _ _ _ _ . ,
.;GMbLiidLQLLu, a1.MS u u;asw.w.a. .1;.k nal. m w W.nGcsw: e s 09/15/83 continued 0840 .Re-initialized the computer data base containing the correction factors for the two quartz - bourdon tube absolute pressure gauges. The pressure counts will properly be corrected for the range of pressure expected during the Full Pressure ILRT. 1057 Discovered condensation in polyflex tubing leading to the Heise gauge (approx 1/4" of water). No appreciable effect on pressure readings. Condensation blown out. 1130 completed the evaluation of the Temperature Survey done,without RCFC's running with Chicego Bridge and Iron personnel - No problem to run Full Pressure Test without RCPC's. A test procedure change was made to allow this. 5.9 Full Pressure ILRT TemDerature Stabilization 1215 Re-entered procedure. Plan to start Temperature Stabilization Period with the 1215 data set. 1300 CBCo. Quality Assurance reviewing procedure status with Test Engineers. 1615 Temperature Stabilization for the Full Pressure ILRT verified. - E.10 Full Pressure ILRT. 1630 Started taking data for the Full Pressure ILRT. All RTD's Dew Cells and pressure gauges for collecting leakage data are operable. Heise gauge containment pressure reading = 44.70 psig. 2330 Full Pressure ILRT continuing Heise gauge reading = 44.70 psig. 09/16/A3 0630 Full Pressure ILRT continuing Heise gauge reading = 44.61 psig. 0830 CBCo. Quality Assurance reviewed written test deficiencies. 1630 24 hr. Full Pressure ILRT complete. Heise gauge reading = 44.50 psig which is greater than 43.6 psig (minimum pressure). All RTD's, dew I Cells and pressure gauges remained operable for the duration of the test. The 95% Upper confidence Limit Leakage Rate was 0.005E%/ day. This was well below the allowable leakage rate of 0.75 L " a 0.075%/ day. The Statistically Averaged Leakage Rate was 0.0037%/ day. 5.11 Full Pressure ILRT Induced Leakaoe Test 1645 Exited procedure temporarily. The poly-flow tubing leading to the thermal mass floumeter has too small an inner diameter. Maximum flow possible is 2.7 SCFM for the 1/4 inch poly-flow. Need approx. 7.6 SCEM. (0380M) u -- m a
me l cEdw .. t m a ..i c a m u u.a i u m a C .a . : . 2 L J/ M 'si n a n 09/16/83 1710 1/4 inch poly-flow was replaced with 1/2 inch poly-flow and the test was re-entered. 1715 opened floumeter throttle valve to-achieve a 7.61 SCFM flowrate. We will allow this to stabilize 1 hour prior to starting the Induced Leakage Verification Test. 1815 Induced Leakage Test started.
, . 2215 Induced Leakage Test completed.
Lo (Superimposed Leakage Rate) = 7.530 SCFM > Lam (Statistically averaged Leakage Rate) = 0.282 SCFM Le (Composite Leakage Rate during Induced Test) = 6.103 SCFM. The Statistically averaged Composite Leakage Rate was verified within 0.25 La (1.90 SCFM) of the sum of the Statistical'ly averaged leakage rate (Lam) for the full pressure test, and the average floumeter induced leakage rate (Lo). Heise gauge reading = 44.45 psig. 5.12 Depressurization, 09/17/83 0015 RHR Train lh was shut down 4 no longer necessary to support test. 0200 Started depressurization from 44.40 psig. 0415 Heise gauge reading = 37.15 psig. 0615 Heise gauge reading = 31.6(# psig. 0715 Heise gauge reading = 29.10 psig. 0815 Closed valves OVQ001 and OVg003 and stopped depressurization. 10828 ' The Reactor Containment Fan Cooler Fans are now being tested at this pressure plateau (approx 27 psig) for " LOW-SPEED" operation. 't 0915 Valves 1RH8701A & B and suction drain isolation valve for RH Pump 1A opened to reduce RCS water inventory from present 13% to approx. 1%. As containment pressure decreases water in the one non-isolated steam generator will return to the vessel. 1345 Draining through RHR complete. 1-2% level in. vessel. 1745 Stroke times for the IMOVSI8811A/B valves were taken above 25.3 psig for containment pressure. . 1810 Began depressurizing again. Valves Ov0001 and OvC')03 and the Emerg. Personnel Hatch Equalizer valve are open as vent paths. 1915 Heise gauge reading = 20.9 psig. (0380M)
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M . u u c m, 4 A a r n 2 .L e n a n .ua- m r o:inei h i s = ,rel e .:sem ..uash a e n .;: _ a: a u w i M ,L. 09/17/83 Continued 2130 opened some Hydrogen Recombiner pipelines as additional vent paths. 2300 Heise gauge reading = 10.9 psig.
, 09/18/83 0000 RCS level back up to 13%.
0020 Equipment Personnel Lock equalizer valve opened as vent path. 0100 Heise gauge reading = 5.9 psig. RCS water level up to 16%. 0500 containment pressure at ambient conditions after opening both the
, Ehergency & Equipment Personnel Locks to containment. RCS water level 9 17.5%. Containment Air sample showed 0% combustibles and 20% 0xygen
, concentrations.
5.13 Containment Restoration 0600 conducted a walkdown of containment. Only damage in containment attributed to pressurization was two Area Radiation Monitoring gauge glasses broken. 10935 Began the restoration section of the procedure.
.09/26/83 1715 Completed restoration portion of ILRT procedure.
l. L i i L -(0380M).
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6.1 Reduced Pressure Test Synom uwIT 1 00:20:55 THu, 15 SEP 1983 Data Page 1 of 2 .- sms ~ **** sun:Agr_DL_a&Ig_5LYs 1 tugu e7 ee** ,
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CA y& 24 IlOUR PliASE DATA TA#E TIME TEST TEMP DAY AIR MEA 8UAED CALCULATED MEAS LEAK RATE CALC LEAK 958 UPPER ix POINT RATE CONFIDENCE f' (. DuaATION (R) PRES 8URE MAS 8 MASS TOTAL SET ruent rental 7 =n
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( 0.000000 551.33008 38.13210 5.15875E+05 0.00000E-01 0.0000 0.0000 0.0000 42 Mit'1256 23:00:00 JL_ s' 2
- A ' st .15 san n. 2 50000 __551.33301 _38.1327D_ _5.158811t 05 o 00000L-01 -a.1000 -0.1Q00 0.0000 0.0000 t 5.15869E+05 -0.4402 0.5154 '
3 256 23:30:00 0.500000 551.35144 38.13707 5.15923E+05 -0.4402 -0.7804 (. 4 256 23:45:00 0.750000 551.35840 38.13632 5.15906E+05 5.15876t+05 -0.1911 0.3070 -0.2501 0.1474 I. s ss7_nn,0ngnn s.Onnnnn ass 36865 _38.11111__1.15908EtD5 4 19880LtD5 -o-1500 -n-0302. -0.1A 81 0.D516 -f, 1
'40 6;257 00:15:00 1.250000 551.38647 38.13832 5.15907E+05 5.15884E+05 -0.1175 0.0163 .~0.1183 0.0262
( -(7f 257 00:30:00 1.500000 551.39282 38.13892 5.15909E+05 5.15886E*05 .-0.1043 -0 0384 -0.09Z0 0.0095 'l
'a ><? not&Sgon 1.750000__151.41650 -_34.13841- 5.15885E+05 8.358921*S5 -n.0241 0.4401 -o,03&A n.0592 l 9 257 01:00:00 2.000000 551.42920 38.13895 5.15875E+05 5.15897E+05 -0.0001 0 1838 0.0039 0.0888 S.
( 10 257 01:15:00 2.250000 551.44299 38.14141 5.15896E+05 5.1589FE+05 -0.0424 -0.3803 0.0036 0.0701 b se _2sv ns.tn3nn s _ s nnnnn__551.41774.._34.16010 - 5.15864 E+05 9-159Q1E+05 n 3207 n-5885 n-050n n-0906 . 40 12 257'01:45:00 -2.750000 551.46777 38.14258 5.15888E+05 5.15901E+05 -0.0221 -0 4501 0.0268 0.0766 'j . ( -13 257 02:00:00 3.000000 551.47998 38.14079 5.15853E+05 5.15904E+05 0.0348 0.6606 0.0457 0.0918 f
*4 ?** 0?s15:00 __3.250000-_551.49072 -34.14216 5.15461 E + 05 -__5.159065 +45 S.0202 -0.154' 4.0519 n:0916 '.
15 257 02:30:00 3.500000 551.49731 38.14529 5.15898E+05 5.15902E+05 -0.0295 -D.6758 0.0377 0.0748 3.750000 551.51184 38.14544 5.15886E+05 5.15901E+05 0.2163 0.0322 0.0649 l ( 16 257 02:45:00 -0.0131 12__252._C1:00: 00 1:000000 351.52185-_38.14505 5.15871E+05.. 5.15901E+05 n 0047 0.2722 a:0335 n.041a [- 0.0072 0.0465 0.0340 0.0594 18 257 03:15:00 4.250000 551.53894 38.14605 5.15869E+05 5.15901E+05 ( 19 257 03:30:00 4.500000 551.54114 38.14884 5.1590$E+05 5.15898t+05 -0.0301 -0.6641 0.0236 0.0485
?O 257_S3:45:00 - 4.750000 - 551.54712 34.14671 5.15870E*05 - 5.15499E+05 0.0053 4.6420 n.0244 n.047) 21 257 04:00:00 5.000000 551.55774 38.14915 5.15893E+05 5.15897E+05 -0.0164 -0.4280 0.0199 0.0407 0 0.4640 0.0404 '
' 22 257 04:15:00 5.250000 551.5 422 38.14543 5.15868E+05 5.15897E+05 0.0065 0.0214 21 ?CI.D4430.nn s.s00000_.551.54252. 38.14795_ 5.15854E+05 5.15899E+05 0.0183 0.2675 D.0253-_0.0429 '
24 257 04:45:00 5.750000 551.59131 38.15086 5.15855E*05 5.15498E+05 -0.0077 -0.5804 0.0222 0.0386 E 25 257 05:00:00 6.000000 551.60327 38.15303 5.15903E+05 5.15895E+05 -0.0214 -0.3361 0.0165 0.0326 e ___2A 24Z_05:15:00___4.250000 _551.41084. 38.15498 5.15922E*05 - 5.15892E*05 -0.0349 -0.3605_ o.0088 D.0255 I 27 257 05:30:00 6.500000 551.62915 38.15490 5.15904E+05 5.15890E+05 -0.0206 0.3373 0.0052 0.0211 28 257 05:45:00 6.750000 551.64233 38.15121 5.15842E+05 5.15893E*05 0.0230 1.1584 0.0109 0.0267 il 29 297 OAnonnoo 7-A00000__111.6601&__38.15449_.5.13870E+05 9.15893EfD5 0.0039 -0.5129__. 0-0119 D.0266
.!O 257 06:15:00 7.750000 551.66992 38.15627 5.15884E+05 5.15893E+05 -0.0058 -0.2780 0.0109 0.0246 {: '-
31 257 06:50:00 7.500000 551.68183 38.15478 5.15853 E + 05 5.15894E+05 0.0138 0.3827 0.0135 0.0265 42__212_D6:45sD0 7-75 0000_ 351.70410 -_3 8.15 894_3.4 5 8 89E +05 . _5.15 893E+ 05 -0.0079 -n.6595_ ___D.011A o.0241 ! 33 257 07:00:00 8.000000 551.71350 38.16013 5.15896E+05 5.15892E+05 -0.0119 -0.1349 0.0096 0.0213 fI 34 257 07:15:00 8.250000 551.72681 38.16125 5.15899E+05 5.15891E+05 -0.0131 -0.0512 0.0075 0.0187 15 152_AZ_t30ta0___A.500000 _551.25171__36.16232._5.15590Et05 .-_3.15890Et05 -o.0079 D.164Q _ _D.0064 0.0171 , 36 257 07:45:00 8.750000 551.76282 38.16187 5.15873E+05 5.15890E+05 0.0011 0.3059 0.0049 0.0149 . 5 37 257 08:00:00 9.000000 551.77515 38.1640? 5.15892E+05 5.15889E+05 -0.0086 -0.3466 0.0058 0.0153 ! ta 2st_0St112Da_-_9.250000_.551.78625-_38.16476.. 5.15891E+05.__S.15888Etas -0.0076 n.0267 n-0049 a.D14a 39 257 06:30:00 9.500000 551.80115 38.16759 5.15915E+05 5.15886E+05 -0.0193 -0.4513 0.0024 0.0114 0.0092 ,E 40 257 OJ 45:00 9.750000 551.81409 38.16820 5.15911E+05 5.15885E+05 -0.0170 0.0698 0.0006 ' A1 21Z_A920D200_10.D00000__551.81981 J8.12010 __5.15 931 E + 05 __5.15 883Et01 .- A.D 260 -0 37A8 -0.0026 2.D064 42 257 09:15:00 10.250000 551.8275% 38.17213 5.15952E+05 5.15880E*05 -0.0346 -0 3768 -0.0062 0.0029 : 43 257 09:30:00 10.500000 551.84180 38.16817 5.15885E+05 5.15800E+05 ~'J.0042 1.2420 -0.0055 0.0032 it At 2s? no.Atton__10.23BOOQ__553.84969__58.1718t, Su15928Et05 8.158291101 -0.0227 -n-gD02 -0 00Z1 8.0012 45 257 10:00:00 11.000000 551.87256 38.17043 5.15886E*05 5.15879E+05 -0.0047 0.7487 -0.0066 0.0015 - 46 257 10:15:00 11.250000 551.57878 38.17471 5.15939E+05 5.15877E+05 -0.0261 -0.9700 -0.0087 -0.0007 ['r __47__257.10:30:00 .11.500000 551.89148 38.17479 5.15928E+05 5.15876E+05 -0.0212 0.2023 -0.0100 -0.0022 5.15875E+05 -0.0230 -0.1070 -0.0114 -0.0038 _ h. 45 257 10:45:00 11.750000 551.90137 35.17590 5.15933t+05 -0.0042 49 257 11:00:00 12.000000 551.91846 38.17524 5.15909E+05 5.1587 5 E + 05 -0.0129 0.4629 -0.0114 , 90 _257 11:15:00 12.250000 551.927E6 38.17668 5.15919E+05 5.15875E+05 to.0167 -0.2000 -0.0119 __ -0.0049 _ _ _ _ , 51 257 11:30:00 12.500000 551.94666 38.17447 5.15672E+05 5.15876E+05 0.0013 0.E850 -0.0103 -0.0034 ' ' 'f. 52 257 11:45:00 12.750000 551.95422 38.17736 5.15904E+05 5 15876E+05 -0.0104 -0.5955 -0.0101 -0.0035 e.., Lt - 53 257 12:00:00 13.000000. 551.96875_.38.17443 .J.15853E+05 _5.13878Et05- S.00Tt. ._...J t}97 . ..-J.00M , ,-8 0013. /. } - e t _,4_
t I 6.1 Reduced Pressure Test f cont'd Data Page 2 of 2 . , 24 HOUR PHASE .
"' # 54 257 12:15:00 13 250000 551.99331 38.17872 5.15887t+05 $U5874E+65 -0.0039 -0.4188 -0.0074 -0.0009 6 5.15879E+05 -0.0060 -0.1151 -0.0070 -0.0007 (4 s 13.500000 551.99329 38.17924 5.15893E+05-5.15878E+05 -0.0177 -0.6222 -0.0078 -0.0017
~$ {e$ 257 257 12:45:00 12:30:0013.750000 551.99866 38.14209 5.15926E+05 8.15478E+05 -0.0099 0.3884 -0.0078 -0.0020 e J 57 257 13:00:00 14.000000 552.01892 38.18194 5.15905E+05 0.0015 0 6420 -0.0047 -0.0009 58 257 13:15:00 16.250000 552.01880' 38.17939 5.15871 E +05 5.15879E+05 ((
T >M w -' ne as7 1sannian 1&_sanano s s2.g3a11 mm.ta27s s.titant as s.11479E+os -o.go79 -o.sess -A.0046 -0 0010 5.15879E+05 -0.0111 -0.1931 -0.0068 -0.0014 d k. I Tree fts?- 3:4$300 '14.750000 552.05237 38.18465 5.15910E+05 5.15879E+05 -0.012* -0.1047 -0.0071 -0.0019 ( ( M 41,.257. 4100:00 15,000000 .552.07202 38.18442 5.15914E+05 ' W 42 ~.ss? Amtsina 1s.250000._.512.RZ5f1__31.11509 _3.15811EtD5 5.1sSZfitos -o.Onla c.4024 -0.006a -o.ogia
-0.0067 -0.0018 43 257 14:30:00 15.500000 552.09192 34.18460 5.15900E*05 5.15879E+05
-0.0074 -0 1012 '
( 44 257 14:45:00 15.750000 552.09753 38.18449 5.15866E+05 5.15880E+05 0.0027 0.6257 -0.0056 -0.0008 as :'s7 ininoran 14.noonan ss2.11218 18.1as&2 s.1st&5E+0s 5 158811103 n.DAlo 0.02D9 -0.DQia 0.0001
-0.5199 -0.0044 0.0002 ti !$f l$e15:00 '16 250000 $52.13037 14.18875 5.15893E+05 .5.15882E+05 -0.0051
( 9 11 157.15:30:00 16.500000 552,13440 - 38.18925 - 5.15896E+05 .5.15882E+05 -0.0058 -0 0547 -0.0043 0.0002 n.n112 1.112a -n ggIn e.gnie s33_- M -' is? 1a.as.nn 14.7sanna enz 11112 sa.115tn n inA31120s n 1sA8&n+ns 0.0022 69 257 16:00:00 17.000000 552.17488 38.19078 5.15477E+05 5.15885E+05 -0.0004 -0.7793 -0.0023 : 0, '70 257 16:15:00 17.250000 552.17932 38.19157 5.15885E+05 5.15885E+05 -0.0027 -0.1547 -0.0020 0.0023 0 71 ms7 14,to no 17.snDQnn es2.1aast sa. tents s.1sAats+ns n 15A86Etas n not' n.as#' DA11 a.onsa $1 i ! "pft. 157 16:45:00 17.750000 552.19324 38 19024 5.15854E+05 5.15886E+05 0.0055 0.1151 -0.0004 0.0038 l ( 5.15887E+05 0.0016 -0.2722 0.0000 0.0042 3 h73 ~ 25717:00:00' 118.000000 552.20984 38.19247 5.15849E+05
- 7& as? 17 mis.nn 18.25000a .ss2 22137 1a.teati s,1sBBAEt01___3.1588 Zeins -0.DQ2s -n.282a o.9001 0.0042 y
75 257 17:30:00 18.500000 552.23157 38.19148 5.15835E+05 5.15888E+05 0.0101 0.9095 0.0012 0.0053 ( 76 257 17:45:00 18.750000 552.23730 38.19637 5.15896E+05 5.15888E+05 -0.0051 -1.1294 0.0010 0.0050 77 2s? innan.no so.naggan ss2 2Agn) na tesas s-15A&3EtDs s 1sator*ns n noan n.eae7 n_nnio n oA5a " F.780257198615:00 19.250000 552.27039 38.19572 5,15856E+05 5.15890E+05 0.0046 -0.2501 0.0024 0.0063 . ( 79 (25E 18:30:00 19.500000 552.28577 38.19803 5,15873E+05 5.15891E+05 0.0005 -0.3140 0.0026 0.0064 an ns? ta s as.nn se_7sanna es2_ tad 66_.34 1*ae9_ 5.15&&DEfDs s 1sA931tns n.DDas n.Azz2 n.QQ13 n.DD71 (b 81 257 19:00:00 20.000000 552.31213 34.19760 5.15843E+05 5.15892E+05 0.0076 -0.0570 0.0040 0.0077 C ' ( 82 257 19:15:00 20.250000 552.32166 38.20120 5.15883E+05 5.15892E+05 -0.0017 -0.7398 0.0039 0.0075 at. __ s s7 1o.tn.nn 2n.sDDDDD ss2 11162 1a 201A2 4 J1849E+ns s 1sAf2s+ns n nats n.25&7 n.nas3 n DaZ4
;444?tS7 19:45:00 20.750000 552.34741 38.20068 p.15851E+05 5.15893E+05 0.0054 0 3245 0.0045 0.0080 e 1 .p
( 8$. 757 20:00:00 21.000000 552.35742 38.20197 $.15860E+05 5.15894E+05 0.0035 -0.1500 0.0047 0.0082 C
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SVRON UNIT 1 16:16:16 THU, 15 SEP 1983 ( N w ***
- 5uBMARY_DE DAIJL 5f f 5 1 TygtL_34 a m q
# TEMPERATURE STABILIZATION DATA DATA TAPE TIME TEST TEMP DRY AIR MEASURED CALCULATED MEAS LEAK RATE CALC LEAK 951 UPPER O SET DURATION (R) PRES $URE MA$$ Mass TQ7AL POINT RATE CONFIDENCE .
twati IEXIA1 Y = 0 1 I DAY t i.__D AY t / DAY LIM 1I 1. O 1 258 08:00:00 0.000000 554.77405 58.82159 7.90836E+05 0.0000DE-01 0.0000 0.0000 0.0000 0.0000 ~ 11_ 2 291.08:15200 __0.25D000 _554.4085I_ 58.78704 _2.90893E+01____D.00000E-01 . 6819 -0.6859 0.D000 0.0000 3 258 08:30:00 0.500000 554.12036 58.75185 7.90830E+05 7.90856E+05 0.0357 0.7571 0.0357 2.0624 ' S 4 258 08:45:00 0.750000 553.89294 58.73340 7.90907E+05 7.90844E+05 -0.2848 -0.9256 -0.1806 0.4534 h' 5 29 8_Q91AQtDo 1 -D00D00 . _i51. 69051 _1A.7.1249_7.fD914 E + 05_ __Z. 9D 8 4 2 Et 05 1160 -0.0895 -0.2056 0.0989 (; 6 258 09:15:00 1.250000 553.52576 58.70183 7.91006E+05 7.90827E+05 -0.4118 -1.1152 -0.3427 -0.0950 O 7 258 09:30:00 1.500000 553.37695 58.68729 7.91023E+05 7.90822E+05 -0.3773 -0.2048 -0.3769 -0.2064 [;, _.__ A__258 09245200.__1.750000 .5 5 3. 2504 9__31. 674 21 ._7. 91027 E + 05 . _._f.9 0824 E t 05 -0.3308 -0.0516 -0.3641. -0.2406 i 9 258 10:00:00 2.000000 553.13403 58.65785 7.90973E+05 7.90838E+05 -0.2077 0.6538 -0.2902 -0.1668 O 10 258 10:15:00 2 250000 553.03003 58.64742 7.90981E+05 7.90848E+05 -0.1954 -0.0971 -0.2420 -0.1325 11 258 1011D200 2 50000D_512d5093-_53.al149 7-11014 E t 05_.__.I. 90 853 EtD 5 -0.2162 -0.4035 -0.2231 -D.1327 12 258 10:45:00 2.750000 552.85840 5b.63158 7.91013E+05 7.90859E+05 -0.1951 0.0167 -0.2030 -0.1257 O l' 13 258 11:00:00 3.000000 552.78113 58.62176 7.90991E+05 7.90667E+05 -0.1567 0.2655 -0.1754 -0.1046 L .14_258_11t35:00.__3.250000_ 552.70984 58.61355.._7.90982E+05 __7.90876Et05 -D.1362_ 0.1092 -D.1499 -0.0842 15 258 11:30:00 3.500000 552.63171 58.60304 7.90952E+05 7.90886E+05 -0.1006 0.3626 -0.1205 -0.0565
- O 16 258 11:45:00 3.750000 552.57861 58.60053 7.90994E+05 7.00890E+05 -0.1280 -0.5113 -0.1095 -0.0527 I 17 2sn 12.nnian A.DD0000__552.11099___51.59339 _Z.90995E+05..__7A D894EtD5 -D.1202 -0.0030 -0.0993 -0.0490 ':
18 258 12:15:00 4.250000 552.44775 $8.58799 7.91012E+05 7.90897E+05 -0.1258 -0.2154 -0.0950 -0.0499 Ol 19 258 12:30:00 4.500000 552.38647 58.58267 7.91028E*05 7.90898E+05 -0.1297 -0.1957 -0.0932 -0.0529 'k. L20._.258522i1200____4.750000__552.33435._58.57230_.1.90963r+05__7.90904E+05 -0.0810 0.79 9 -0.079z -0.0 05 t 21 258 13:00:00 5.000000 552.27747 58 56972 7.91010E+05 7.90906E+05 -0.1052 -0.5659 -0.0752 -0.0400 J' O 22 258 13:15:00 5.250000 552.22705 58.56281 7.90988E+05 7.90910E+05 -0.0880 0.2564 -0.0682 -0.0355 r 23 258 13:30100 5,500000_ 552.18335J a.55576 _T . 909 5 4 E t 05.__.7. 90915 E + 05 -0.0660 0.3960 -0 0118 -D.02e4
-0.0326 l'
4 24 258 13:45:00 5.750000 552.12781 58.55736 7.91057E*05 7.90913E+05 -0.1165 -1.2274 -0.0616 P S 25 258 14:00:00 6.000000 552.08655 58.54958 7.91011E+05 7.90914E*05 -0.0883 0.5598 -0.0587 -0.0319 '
.__ 26_258_14:15:00..__6.250000. 552.05493__58.54446 7.90987E+05 _7.90917Et05 -0.0734 0.2652 -0.0536 -0,0264 27 258 14:30:00 6.500000 551.99451 58.53852 7.90993E+05 7.90920E+05 -0.0736 -0.0728 -0.0496 -0.0260 .
# 28 258 14:45:00 6.750000 $51.96313 58.53760 7.91026E+05 7.90920E+05 -0.0853 -0.3960 -0.0490 -0.0271 !
29 25L151DatDa 72 000000_.351.92944.__58.52966__1.90967E+05.__7.90924E+05 -0.0567 0.1160 -0.D&33 -0.0221 }- 30 258 15:15:00 7.250000 551.89307 58.53019 7.91026E+05 7.90925E*05 -0.0795 -0.7191 -0.0429 -0.0232 j-0 31 258 15:30:00 7.500000 551.86182 58.52151 7.90954E+05 7.90930E+05 -0.0475 0.8799 -0.0371 -0.0178 , 12 2 5 A_15:412 00 7.750000 _551.83130_.58.56097_ 7.91531E+05 __.7.90900Et05 -0.2720 -7.0047 -0.0Z19 -0.0333 , 33 258 16:00:00 8.000000 551.79333 58.51493 7.90963E+05 7.90907E+05 -0.0481 6.8874 -0.0634 -0.0263 ; O 34 258 16:15:00 8.250000 551.75342 58.51514 7.91023E+05 7.90910E+05 -0.0688 -0.7313 -0.0598 -0.0247 , {. O f- _4 I e h q G !
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t 6.2 Full Pressure Test STRON U21T 1 16:36:18 FRI, 16 SEP 1983 D ta Pr.ge 2 of 3 ,, W .
.sete_5UUA8Y OF DATA SETS _ 1.TM8U _97 20**. _._.__. - _.._ .._ __.___
+ - . '
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24 IIOUR PIIASE
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D'IT'A fIPE TiMi TE8T TUP DAT AI MY8UR E'D CALCULAT'Ei MEAT LEAK RATE CALC LEAK 95I UPPEA ( 8ET DURATION (R) PRESSURE MA88 MASS TOTAL . POINT _LL.8 AT RATE CONFIDENCE , fM81) IESIA) 7_s.Q _ r,L 8 AT _ Y _L D AT LYMIT : ( 1. 258 16:30:00 0.000000 551.71582 58.50704 7.90967E+05 0.00000E-01 0.0000 0.0000 0.0000 0.0000 .,
. __2_ 258 16:45:00__ 0.250000 551.68774 .58.50602 7.9099( E+05 .0.00000E-01 .-0.3201. -0.3 2 01 ___. 0. 0000 _ . _. _0.0000__ 5 3 258 17:00:00 0.500000 551.65295 58.50058 7.90970E+05 7.90975E+05 -0.0167 0.2867 -0.0167 0.8356 I 4 258 17:15:00 0.750000 551.62170 58.49782 7.90978E+05 7.90976E+05 -0.0415 -0.0910 -0.0086 0.2132 L 258 17:30200 __1.000000 _551.59241- 58.69367 .7.90964E+05 _ 7.90979Et05 . 0.0118 _0 1714 ___._0.0290 0.1464 1.250000 551.55518 58.48882 7.90951E+05 7.90982E+05 0.0394 0.1502 0.0570 0.1351 (I 1.
6 258 17:45:00 7 254 18:00:00 1.500000 551.53015 58.48608 7.90950E+05 7.90983E+05
.8._258 18:15:00 .1.750000 551.49353. 58.68076 7.90931E+05 .7.90986E+05 .._ 0.0635 ._ 0.2321_
0.0354 0.0152 0.0626 0.1152 o.071r0 . ___0.1211_ .____. _ i j h 9 258 18:30:00 2.000000 551.46387 34.47857 7.90944E+05 7.90984E+05 0.0360 -0.1563 0.0710 0.1040 [ ( 10 258 18:45:00 2.250000 551.44263 58.48128 7.91011E+05 7.90972E+05 -0.0545 -0.8147 0.0186 0.0805 ' 1L._258_19200:00_2.500000.,. 551.40210. _58.47617 . Y.909 73 E+05 _7.90969E*05 -0.0067 _ _ 0.4597. 0.0101 _ ___D.0607. 12 258 19:15:00 .2.750000 551.37903 58.47326 7.90993E*05 7.90965E+05 -0.0287 -0.2488 -0.0048 0.0397 l # ( 258 19:30:00 3.000000 551.35120 58.46558 7.90930E+05 7.90970E+05 0.0383 0.7752 0.0119 0.0530 [___.13 14.. 258 19:45:00 .3.250000 _551.31655 .58.47002 7.91036E+05 7.90960E+05 __-0.0640 -1.2911 _.-0.0168 D.0297 _ .____.J, l' 15 258 20:00:00 3.500000 551.30200 58.46707 7.91020E+05 7.90957E+05 -0.0458 0.1696 -0.0270 0.0132 ( 16 258 20:15:00 3.750000 551.26831 58.46256 7.91008E+05 7.90955E+05 -0.0326 0.1532 -0.0313 0.0040 [l t 17_._258 20:30:00 __4.000000.. 551.25708__38.45944 .7.90932E+05 .7.90956E+05 .-0.0107..._ 0.3171 . -0.0273 _ ___.0.0039_ ..- l 18 258 20:45:00 4.250000 551.2238E $8.45390 7.90954E*05 7.90961E+05 0.0095 0.3322 -0.0183 0.0108 ( .l 19 258 21:00:00 4 500000 551.21130 58.45138 7.90938E+05 7.90966E+05 0.0197 0.1942 -0.0084 0.0193 ( .._ 2 0 258 21:15:00 4.750000 .551.18115. 58.45213 7.90992E+05 7.90964E+05 ___-0.0155 -0.6494 .. -0.0104.. ._0.0146.. . I 21 258 21:30:00 5.000000 551.16028 58.44833 7.90970E+05 7.90966E+05 -0.0017 0.2609 -0.0083 0.0143 ( 22 258 21:45:00 5 250000 551.13000 58.44463 7.90964E+05 7.90967E+05 0.0022 0.0804 -0.0058 0.0149 i < ____23_258 22:00:00 5.500000 551.10864. 58.44691 7.91025E+05 7.90964E+05 -0.0317 -0.7449 -0.0118 _ 0.0079 ' 24 258 22:15:00 5.750000 551.09009 58.43906 7.90946E+05 7.90966E+05 0.0115 0.9633 -0.0067 0.0120 ( 25 258 22:30:00 6.000000 551.06628 58.43623 7.90941E+05 7.90970E+05 0.0133 0.0531 -0.0022 0.0156 i _26.'258 22:45:00 6.250000 551.04419 58.43490 7.90955E+05 7.90971E+05. .0.0060 -0.1684 -0.0001. 0.0164 + k 27 258 23:00:00 6.500000 551.02087 58.43341 7.90968E+05 7.90971E+05 -0.0005 -0.1623 0.0003 0.0156 t !: ) ( 28 258 23:15:00 6.750000 550.99817 58.42899 7.90941E+05 7.90974E+05 0.0119 0.3338 0.0031 0.0175 ) L: ___29 _258 23:30:00. _7.000000 .550.97546 58.42728 7.90951E+05 7.90974E+05 _ .0.0073 -0.1168 0.0045 ..0.0100 _ , __.,_4 ? 30 258 23:45:00 7 250000 550.94995 58.42697 7.90903E*05 7.90973E+05 -0.0065 -0.3929 0.0031 0.0158 ( 31 259 00:00:00 7.500000 550.94373 58.42745 7.90998E+05 7.90971E+05 -0.0125 0.0091
-0.1881 0.6584 0.0008 0.0026 0.0128 0.0140
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! .32 .259 00:15:00 7.750000 550.90086 58.41955 7.90944E+05 7.90972E+05 _
33 259 00:30:00 8.000000 550.89160 58.41969 7.90968E+05 7.90973E*05 -0.0002 -0.2598 0.0026 0.0133 h ( 34 259 00:45:00 6.250000 550.86951 58.42094 7.91017E*05 7.90969E+05 -0.0182 -0 5917 -0.0004 0.0100
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__ 35 _259.01:00:00 8.500000 550.85168 58.41925 7.91019E*05 .7.90967Et05 -0.0186 -0.0319 -0.0031 _ 0.0071 36 259 01:15:00 8.750000 550.82141 58.41286 7.90976E*05 7.90967E*05 -0.0031 0.5234 -0.0030 0.0066 ( 37 259 01:30:00 9.000000 550.79724 54.40831 7.90949E+05 7.90968E+05 0.0061 0.3262 -0.0015 0.0077 __-0.0016 __ _ D.0072
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- u. 38 259 01:45:00 9.250000 550.78186 58.40660 7.90976t+05 .7.90969E+05 -0.0030 .-0.3277 .- , i; 39 259 02:00:00 9.500000 550.75610 58.40605 7.90978E+05 7.90968E+05 -0.0034 -0.0182 -0.0017 0.0066 i
( 40 259 02:15:00 9.750000 550.74792 58.40230 7.90939E+05 7.90970E*05 0.0088 0.4718 -0.0001 0.0080 I!
.._41..-259 02:30:00 _10.000000 350.72266 58.40060 7.90952E+05 .7.90971E+05 .0.0047 _.-0.1578. 0.0008__ ___D.0085 'F 0.0082 0.1502 0.0020 0.0095 l {' 42 259 02:45:00 10.250000 550.69946 58.39722 7.90940E+05 43 259 03:00:00 10.500000 550.68005 58.39508 7.90939E+05 7.90973E+05 7.90974E*05 0.0003 0.0137 0.0032 0.0103
_-0.7449..-.._0.0019_ _ ___D.0088 F I i .44 259 03:15:00 .10.7500C0 550.66748 54.39828 7.91000E*05 .7.90972E+05 _ .-0.0092 [h 45 259 03:30:00 11.000000 550.64575 58.39420 7.90976E+05 7.90972E+05 -0.0024 0.2898 0.0016 0.0082 ' ( 46 259 03:45:00 11.250000 550.03660 58.38805 7.90906E*05 7.90975E+05 0.0166 0.8511 0.0037 0.0103 f 47 259 04:00:00 11.500000 550.00999 58.36716 7.90932E+05 7.90975E*05 0.0094 -0.3156 0.0046 0.0111 .-{s 48 259 04:15:00 11.750000 550.59594 58.31661 7.90359E+05 7.90975E+05 0.00Z1 -0.3307 0.0047 0.0105 , t 49 259 0 230:00 12.000000 550.56750 52.38712 7.90993E*05 7.90974E+05 -0.03e4 -0.43e6 0.0037 0.0097 50 259 04:45:00 12.250000 550 55969 58.35406 7.90962E+05 7.90973E+05 0.0012 0.3671 0.0036 0.0094 .# f' I 51 259 05:00:00 12.500000 550.53625 55.36002 7.91022E+05 7.90971E+05 -C.0134 -0.7282 0.0020 0.0077 52 259 05:15:00 12.750000 550.52417 58.38063 7.90967E*05 7.90971E*05 0.0001 0.6731 0.0019 0.0075 i' l- 53..{59 05:30:00 13 000000 .350.50024 ,$8 3g133 7,91011Et05 7.f0969Etp5 ,,-0.Q10j -0.5325 0.0008 .. g.0062 ._ P
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6.3 Full Pressure Suppl 3msntel Test Dat:t P ge 1 cf l' l-., I: ( . t" SVRON UNIT 1 11:20:53 TUE, 27 SEP 1983 W e** $UMMARY OF DATA SETS 104 THRU 124 **** -
+
j _ . _ . . _ . . . _ . I FOUR IlOUR MINIMUM DURATION DATA TAPE TIME TEST TEMP DRV AIR MEASURED CALCULATED MEAS LEAK RATE CALC LEAK 951 UPPER ( SET DURATION (R) PRES $URE MASS MASS TOTAL POINT RATE CONFIDENCE _ _ _ . ( H R S ) .. _ . .. ._. .. _ _ _. . ( 2 51 A ) . . _ . . . . _ . .T .. = 0 . ._ . _ ..__I_L8 A Y_ _I _/ D AY 1,/ DAY LUt]T 2 ( 104 259 18:15:00 0.000000 549.70313 58.29105 7.90933E+05 0.00000E-01 0.0000 0.0000 0.0000 0.0000 I i ._105 .259 18:30:00 0.250000 549.68396 56.28658 7.90900E+05 0.00000E-01 .0.4021 _ 0.4021_ 0.0000 0.0000. [p 10e 259 18:45:00 0.500000 549.67798 58.28517 7.90889E*05 7.90929E+05 0.2640 0.1259 0.2640 0.6518 ! ( 107 259 19:00:00 0.750000 549.65552 58.27960 7.90846E+05 7.90932E*05 0.3515 0.5265 0.3289 0.4752 __10&_259.19:15:00 1.000000 549.64514 58.28185 7.90891E+05 7.90919E+05 0.1252 -0. 5 5 3 8 . J.165 4 . _. _0.3969._ _ J l 109 259 19:30:00 1.250000 549.e3306 58.28wi6 7.90891E+05 7.90911E+05 0.1004 0.0015 0.0952 0.2580 l ( l 110 259 19:45:00 1.500000 549.60962 58.27534 7.90454E+05 7.90913E+05 0.1588 0.4506 0.1083 0.2182 (. L_111__259 20:00:00. 1.750000 549.59863 .58.27571 7.90875E+05 7.90908E+05 .0.1004 _ -0.2504 0.0838 0.1675 ' 112 259 20:15:03 2.000000 549.58374 58.27361 7.90868E+05 7.90906E+05 0.0982 0.0835 0.0724 0.1368 3 ( 113 259 20:30:00 2.250000 549.58093 58.26304 7.90796E*05 7.90914E+05 0.1839 0.8694 0.1100 0.1747 , t .2.500000' 549.55847 58.26703 7.90615E+05 7.90915E+05 .0.1431 -0.2246 : i f_L14.._259 115 259 21:00:00 20:45 00 2.750000 549.54126 58.26773 7.90849E+05 7.90911E+05 0.0921 -0.4173 .__D.1354._ 0.0979 .._0.1677 0.1447 .._ _ _ I i 116 259 21:15:00 3.000000 549.53369 58.26450 7.90816E+05 7.90910E*05 0.1177 0.3991 0.0973 0.1365 b
- ' .117 259 21
- 30:00
. 3.250000 549.52002 58.26179 7.90799E+05 7.90911E*05 0.1248 0.2094 0.1002 .
0.1336.__.___[ 118 259 21:45:00 3.500000 549.49597 58.26025 7.90813E+05 7.90909E+05 0.1039 -0.1669 0.0953 0.1245 e j 119 259 22:00:00 3.750000 549.49219 58.26165 7.90837E*05 7.90904E+05 0.0772 -0.2974 0.0834 0.1115 I $ 4.000000 549.48926 56.25932 7.90610E+05 .7.90903E+05 .D.0932 0.3338 0.0802. _. 0.10 51. .__ ._ _ __._' 4.250000 549.46875 $8.25529 7.90785E*05 7.90904E+05 0.1058 0.3065 0.0819 0.1039 U i [ 120 121 259 259 122 259 22:45:00 22:15:00 22:30:00 4.500000 549.45337 58.25351 7.90783E*05 7.90904E+05 0.1011 0.0212 0.0821 0.1018 b , I ~123 259 23:00:00 4.750000 549.436$0 58.24818 7.90732E+05 7.90908E*05 0.1244 0.6207-. .0.0900 .._._0.1093__._ M . j 124 259 23:15:00 5.000000 549.43079 58.24959 7.90748E+05 7.90910i+05 0.1119 -0.2018 0.0920 0.1096 L I L g j } i 1 !' + ( . j L L
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a:~an:.bbi:i...u:.ul.LGMx :: a Wu.=~a=:n : sh:xkk;wi . L, . x 2 v.O:accwu 2 .. 8.0 Interpretation of Test Results 8.1 Reduced pressure Test The statistically averaged containment leakage rate Ltm (weight percent /24 hours) was 0.0061Vday after 24 hours and 97 data sets. The 9% Upper Confidence Limit of Lt m (Lucir) was 0.0089Vday. The certainty of these results is substantiated by the fact the statistically averaged containment leakage rate Les held relatively steady for the last two hours of data. The 95% Upper Confidence Limit value during this same period was steady or decreasing slightly. The statistically averaged leakage rate values at the end of the test were as anticipated, however there was a series of unanticipated negative leakage values during the 0900-1630 time frame. It is expected that these negative values were caused by a change in the rate of change of containment dry air pressure without a corresponding change in the rate of change of containment average dry-bulb temperature (0800 test time). Dry-bulb temperature remained at a steady rate of increase i throughout the test due to the running Reactor Containment Fan Coolers. Because the dry air pressure is calculated by subtracting water vapor pressure from the total containment 1 pressure, the abrupt change from a decreasing vapor pressure to
' a steady or slightly increasing vapor pressure at 1000 test time
, lagging an increase in the rate of positive change of total containment pressure at 0600 test time caused the discontinuity of dry air pressure rate of change. Since dry air mass was calculated using the ideal gas law, the dry air mass values
. steadily increased from 0800 to 1200 test time and were, in general, larger than mass values calculated from 0000 to 0800.
This led to the negative values of L m t from 0900 to 1630 test time. Prior to 0800 test time, values for L m t and Lucir
;, were subject to the statistical uncertainty of fewer data sets and the competing effects of a stabilizing containment (cooling) and the heat input of the Reactor Containment Fan Coolers. Even with these two factors the value of Lucir at 0700 test time was approximately one third that of La-L i -l 50--
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8.2 Full Pressure Test h statistically averaged containment leakage rate Las
.(weight percent /24 hours) was 0.0037%/ day after 24 hours and 97 data sets.
The 95% Upper confidence Limit of L ,(Lucla) was 0.0058%/ day. The addition of required Local leakage Rate values and comparison to acceptance criteria is done in section 2.1. h validity of the results is demonstrated by observing 1 the cyclic behavior of Lam and Lucia between 1400 and 2400 test time. h period of the cycle appears to be 6 to 7 hours I with high and low values of 0.00654/ day and 0.0038%/ day l respectively for Lucla. The final value of Lucla was at or near the peak of the cycle. Containment dry-bulb temperature, total containment pressure and vapor pressure all trended downward. These are all offacts of a cooling containment with no major heat source, i.e. the Reactor containment Fan Coolers were off, h data of this test in comparision to the Reduced Pressure test fluctuated less. Two major factors can be identified. 1) Longer period of stabilization after pressurization - 8 hours for Full Pressure vs. 4 hours for Reduced Pressure test. 2) Stabilizing containment (cooling) was not counteracted by a major heat source such as Reactor Containment Fan Coolers. 8.3 Full Pressure Supplemental Test After 4 hours.'2215 real time on September 27, 1983, the statistically averaged composite leakage rate (L ) cwas verified within 0.25 La (1.90 SCFM) of the sum of the statistically averaged Full Pressure leakage rate Las and the average flowmeter induced leakage rate (Lo ). A detailed comparison to acceptance criteria may be found in section 2.1. Complete data is available for three additional 15 minute data sets beyond 2215. This additional data shows only improving agreement between the composite leakage rate (Lc) and the sum of L as and Lo. e { l l l (0380M)
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, ,s 9.0 Type B E C Test Results 9.1 Local leak rate methodology - Type B and C tests were conducted in accordance with Appendix J to 10CFR50 and ANSI N45.4-1972. The test volume was pressurized and regulated with air or - nitrogen to nominally 45 psig*. The flowcate necessary to maintain the test volume at 45 psig was measured after a proper stabilization period. This value'with the necessary corrections for non-standard temperature was dsed as the test volume leakage rate.
- Personnel lock door gaskets were pressurized to 10 psig.
9.2 Leakage Rate Summary: M PSN5TRATION (P) LEAKAGE RATE (SCFH) B Zone 1 Electrical penetrations 1.0 1 0.1 B Zone 2 Electrical penetrations 0.5 1 0.1 B Zone 3 Electrical penetrations 0.4 1 0.1 B Zone 4 Electrical penetrations 0.4 1 0.1 B Fuel Transfer Tube Flange 0.0 1 0.1 B Equipment door Personnel Lock 0.4 1 0.1 B. Blind flange #1 on Equip. door 0.0 10.1
., B Blind flange #2 on Equip. door 0.0 10.1 B Equip. door double gasket 0.0 1 0.1 B Emergency Personnel Lock 6.5 1 0.7 B Blind flange #1 on Energ. door 0.0 1 0.1 B Blind flange #2 on Energ, door 0.0 1 0.1 B P-4 Cnet pressurization line - 0.0 1 0.1 Blind flanges C P-97 Cnnt Normal Purge-(1) 3.2 1 0.1 C P-97 Cnet Normal Purge (2) 0.0 1 0.1 C P-95 Cnet Normal Purge (1) 4.8 1 0.1 C P-95 Cnnt Normal Purge (2) 0.0 1 0.1 C P-96 Cnnt Miniflow Purge (1) 16.0 t 0.7 C P-96 Cnnt Miniflow Purge (2) 0.0 1 0.1 C P-94 Cnnt Miniflow Purge (1) 1.4 1 0.1 C P-94 Cnnt Miniflow Purge (2) 0.0 1 0.1 C P-I3 Inst. Isolation valves (1) 0.4 1 0.1 C P-I3 Inst. Isolation Valves (2) 0.0 1 0.1 C P-70 Pressurizer Sta Sample 0.0 1 0.1 C P-70 Pressurizer Liq. Sample 0.0 1 0.1 C P-70 Reactor Coolant Sample 0.5 1 0.1 C P-70 Accumulator Tank Sample 0.0 1 0.1 C P-12 Hydrogen Monitoring (SUC) 3.4 1 0.1 C. P-12 Hydrogen Monitoring (Ret) 9.0 1 0.7 C P-31 Hydrogen Monitoring (SUC) 0.4 1 0.1 C P-31 Hydrogen Monitoring (Ret) 18.36 1 0.7
. C P-41 Chemical and Volume Control Letdown line 0.4 1 0.1 C P-ll Reactor Coolant Drain Tank (RCDT) Pump disch. 2.0 "i 0.1 C P-65 RCDT to Auto Gas Analyzer 0.7 1 0.1 C P-65 Waste Cas from RCDT 2.83 1 0.1 C P-27 Pressurizer Relief Tanks (PRT) to Auto Gas Analyzer 4.5 1 0.1 (0380M)
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4 HPE PENETRATION (P) LEAIGlGE RATE (SCFH) C P-27 PRT Nitrogen Supply 11.11 1 0.7 C P-28 CV Seal Water Ret. 0.4 10.1 C P-24 CC Seal Water Ret. 3.57 1 0.1 C- P-44 Primary Water to PRT 1.8 1 0.1 C P-15 Pressurizer pressure indicator 0.0 1 0.1 C P-21 Component Cooling Ret. 0.0 1 0.1 C P-25 Reactor Coolant Pump Seal Water Supply 6.5 1 0.7 C Refueling Cavity Return Header 1.45 1 0.1 C P-57 Refueling Cavity to Refueling Water Pump 0.4 1 0.1 C P-1 Cnnt Spray supply 9.0 1 0.7 C P-16 Cnet Spray Supply 16.5 1 0.7 C P-39 Instrument Air Supply 8.0 1 0.7 C P-56 Bervice Air Supply 1.55 1 0.1 C P-30 Domin Water Supply 7.5 1 0.7 C P-47 Reactor Bldg Floor drains 1.1 1 0.1 C P-13 Hydrogen Recombiner Ret. 0.0 1 0.1 C P-13 Hydrogen Recombiner Suc. 0.4 1 0.1 C P-69 Hydrogen Recombiner Ret. 0.4 1 0.1 C P-23 Hydrogen Recombiner Suc. 0.0 1 0.1 C P-52 Process Rad. Air Sample Suc. 4.1 1 0.1 C P-52 Process Rad. Air Sample Ret. 16.0 1 0.7 C PLocess Rad - Equip. door Suc. 0.4 1 0.1 C Process Red - Equip. door Ret. 7.5 1 0.7 C Process Rad - Emerg Door Suc. 0.4 1 0.1 C Process Rad - Emerg Door Ret 11.5 1 0.7 C P-5 Cnnt Chilled Water Ret 0.4 1 0.1 C P-8 Cnnt Chilled Water Ret 2.2 1 0.1 C P-55 Nitrogen Supply 1.2 1 0.1 C P-55 A::cumulator fill line 1.0 1 0.1 C P-82 Sta Generator lA Blowdown 0.4 1 0.1 C P-83 Sta Generator lA Blowdown 3.7 1 0.1 C P-80 Sta Generator ID Blowdown 0.0 1 0.1 C P-81 Sta Generator ID Blowdown 0.95 1 0.1 C P-88 Sta Generator 1B Blowdown 0.4 1 0.1 C P-89 Sta Generator 1B Blowdown 0.4 1 0.1 C P-90 Sta Generator 1C Blowdown 1.25 1 0.1 C P-91 Sta Generator 1C Blowdown 1.45 + 0.1
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'C P-4 Cnet pressurization line test conn. 0.0 1 0.1 C P-6 Cnet. Chilled Water Supply 11.11 1 0.7 C P-10 Cnet. Chilled Water Supply 14.14 1 0.7 Total 225.28 1 2.82 SCFH 4
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, - ATTACHMENTS !
10.1 ILRT Sensor Placement North Drop,426' t - RTD's 1, 5, 9,13 & 17, DEW's 1, 3, 5 East Drop,426' t - RTD's 2, 6,10,14 & 18, DEW's - None South Drop,426' t - RTD"s 3, 7,11,15 & 19, DEW's 2, 4, 6 West Drop,426' t - RfD's 4, 8,12,16 & 20, DEW's - None - 4 c'tcrs rs. H C* f**4 33 s 's " r alt.4 i.J. ,,
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Sensors below the 426' level l RTD 21 & DEW 7 6 R1,405', OMB . RTD 22 6 R7,403', OMB l RTD 23 & DEW 8 @ R13,403', OMB RTD 24 & DEW 9 0 East 1tx Wall,404'IMB ! RTD 25 & DEW 10 0 West Rx Wall,404'IMB
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- 1. DRYBULB TWENTY-FIVE CH3MIEL TEMPERATURE SYSrEM:
The drybulb temperature sensors shall conform to the following: Number of sensors: 25 configuration: 3 wire Type of sensor: Resistance Temperature Detector (RTD) Element: Platinum . Resistance: 100 OHMS 9 32*F The drybulb temperature system readouts, including sensors, shall conform to the following: Accuracy: 60* - 120*F Range 1 0.l'F ( 0* - 150*F Range 1 0.25'F Repeatability: 1 0.01'F - i Sensitivity: 1 0.01*F Resolution: 0.Ol'F . 2. DEWPOINT TEN CH3HEL TEMPERATURE SiSTEM: The dew point temperature sensors shall conform to the following: Number of sensors: 10 Configuration: 5 wire Type of sensor: Lithium chloride / Special: Nylon sock cover for element Range: 32' to 120*F The dewpoint temperature system readouts, including sensors, shall conform to the 1- following:
- Accuracy
- 45' to 90*F Range i 1.5'F Repeatability:- 1 0.50*F Sensitivity: 1 0.l'F Resolution: 0.01*F k
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- 3. PRESSURE TWO CHANNEL SYSTEM:
The pressure sensors shall conform to the following: Number of sensors: 2 Type of sensors: Quartz Bourdon tube Range: 0 to 100 PSIA Manufacturer: Mensor Corp. The pressure system readouts, including sensors, shall conform to the following: Accuracy: i .01% of reading i .002% of full scale 1 5 microns of abs, press. Repeatability: i .001% of full scale Sensitivity: i .001 PSIA Resolution: .001% of full scale
- 4. VACUUM SYSTEM FOR ZERO PRESSURE READING VERIFICATION CHECK:
Vacuum pump: . Two stage a Free air displacement: 50 liters / min.
- Power required: 110 VAC 60 HZ Vacuum gauges: Two thermocouple type gauges Hardware: Two channels and connection for transfer standard
- 5. VERIFICATION FLOW SYSTEM:
Number of sensors: 1 Type of sensor: Thermal Mass Flowmeter Range: 0 to 10 SCFM Accuracy: 1 1% F.S. Repeatability: 1 0.25% F.S. Resolution: i .1% F.S. Sensitivity: 1 1% F.S. (1 01 SCFM) Hardware: Metering valve s
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- 6. AISIENT PRESSURE:
Number of sensors: 1 , Type of sensor: Strain gauge Range: 12 to 17 PSIA Accuracy:- i .1% F.S. Repeatability: i .1% F.S. Stability: 1 1% 6 Months
- 7. ABBIENT TEMPERATURE:
Number of sensors: 1 The specifications are identical to that of the other 25 RTDs of item 1.
- 8. TIg:
The built-in clock shall maintain real time by Julian date, hours minutes and seconds on a 24 hour time basis. Accuracy: .i 1 minute /24 hrs. Resolution: 1.0 second
- 9. DATA ACQUISITION SYSTEM:
A/D Conversion Dual slope integration
, V, F, constant scan rate Display: 5 + Digit, Polarity, Decimal
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Sampling Rate: 10 Channels /Second Common Mode Rejection: DC-140db, 1000 OHM Unbalance AC-140db AT 50-60 HZ Normal Mode Rejection: 80db Input Impedance: 1,000 MEGOHMS / Volt Ambient Temp. Range: 32-125'F Zero offset: Recalibrate before each reading automatically Full Scale Temp. Compensation i 5 PPN/*C or 0.0005%/*C Accuracy: i .005V F.S., t .00% of Reading at 25'c with i 10% A.C. Power variation. O
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o 3 10.0 ATTAcitENTS 10.6 Least Sauares Fit Statistical Technique' In order to comply with the calculation techniques of ANSI N45.4-1972 and 10CFR50 Appendix J, it was necessary to perform a least squares fit of the ILRT data. The method for "Least Squares" is a statistical procedure for finding the best fitting regression line for a set of measured data. The criterion for the best fitting line to a set of data points is that the sum of the squares of the deviations of the observed points from the line must be a minimum. When this criterion is met, a unique best fitting line is obtained , based on all of the data points. The value of the leak rate based on the regression is called the statistically averaged leak rate. Based on this statistical process, the calculated statistical leak rate is obtained from the equation W = At + B , Where W = contained dry air mass at time t B = calculated contained dry air mass at time t=0 A = calculated leak rate t = test duration contained Dry B Air Mass (lbs) 't Test Duration (hrs) The values of the constanta A and B such that the regression line is best d fitting to the IPCLRT data are: l . A = [NI(ti )(W i )} - {(Iti)(IWi )} = I((t i-t)(Wi-5)} {N!(ti )2 - (It i)2} I(t i-t)2
= (Iti 2)(Iwi)-(Iti)(Iwit i)
B = IWi - Alti j N N!(ti )2-(Iti)2 By definition, leakage out of the primary containment is considered positive leakage therefore, the statistically averaged leak rate in weight percent per day is given by: 1e = -2400 (A)/(B) (weight 4/ day) _a ; . _ _ . ._ m _ _ _ _, a_ .
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=
test duration at the i s data set Wi
= contained dry air mass at the 1 3 data set a = standard deviation of least squares slope TE = value of the single-sided T-distribution function with 2 degrees of freedom (conservative numerical values of computer program)
= statistically averaged leak rate in Uday Ls UCL = 9% upper confidence limit WBASE
= contained dry air mass at time t=0 i Point-to-Point Measured 1Aak Rate (Vday)
{' . ( Wi-W i +1 }. ( 2400 ) t i+1 - t Wi Total Time Measured Leak Rate (V day) 1stt " " BASE - # 2400 ( 1) (WBASE ) tg l l 0
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WBASE~/ i The use of the above two measured leak rate expressions is limited to observing transient conditions in the primary containment environment.
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