ML20058D842

June 1990 Reactor Containment Bldg Integrated Leak Rate Test & Periodic Local Leak Rate Tests

ML20058D842
Person / Time
Site:	Yankee Rowe
Issue date:	06/30/1990
From:	Panadis J YANKEE ATOMIC ELECTRIC CO.
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ML20058D772	List: ML20058D770 ML20058D842 ML20058D845
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NUDOCS 9011060288
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I JUNE 1990 REACTOR CONTAINMENT BUILDING I INTEGRATED LEAK RATE TEST AND PERIODIC LOCAL LEAK RATE TESTS I YANKEE ATOMIC ELECTRIC COMPANY l R0WE, MASSACHUSETTS 01367 i License No. DPR-3 I Docket No. 50 29 4

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I Preparedby:(O.N.M / Test Engineer b Reviewed by: ' Re r En neer ing l NJ " ~ Approved by: 4 x w a w crgrneerg 9.s noger . I" b Approved by TechnMal. Director) /s,w /' fh tm Approved by: Piant Superintencent 3 I

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-ii. TABLE OF CONTENTS SECTION TITLE PJAE Table of Contents 11 List of Attachments ili References y 1 Purpose 11 - 2 Summary 2.1 1 2.1 Type A Test 2.1-1 2.1.1 Synopsis of Major Events 2.1 1 2.1.2 Test Conclusions 2.1 1 2.2 Type B & C Tests 2.2 1 I 3' Type A Test 3.1 1 3.1 ~ Edited Log of Events 3.1-1 ' I' .3.2 ' General Test Description 3.2 1 3.2.1 Prerequisites 3.2 1 I

3. 2. 2 -

Equipment & Instrumentation 3.2-2 Descriptions 3.2.3 Data Acquisition System 3.2 44 3.2.4 Data Resolution System 3.2-5 3.3 Test Results 3.3-1 3.3.1 Presentation of. Test Results 3.3 1 I 3.3.2 ILRT Results -' Mass Point. Analysis 3.3-2 q 3.3.3 Verification Test Results Mass 3.3-3 I i Point-Analysis 3.3.4 Leakage Penalties Added to 3.3-4 Type A Leakage 3.3.5' Diurnal Effects -3.3-7 3.3.6 Local' Leakage Tests Performed on 3.3 Modified Systems 4 Local Leakage Rate Tests 4.1-1 (Types B and C) 4.1 Type B and C Tests Results 4.1-1 4.2 Summar Analysis of Local Leak 4.2 1 ig: Rate T sts I .I n

-iii-LIST OF ATTACHMENTJ, ATTACHMENTS / FIGURES TLTJ,[ 1A Test Data Summary 3.2A Site Meteorology 3.2B Instrumentation List i 3.2C ILRT RTD and Dewpoint Temperature Sensor Locations 3.3A-Reduced Data for Temperature Stabilization Period 3.3B Graph of Average VC Temperature vs. Time for Temperature Stabilization Period 3.30 Reduced input Data for ILRT 3.30 Three Minute Air Mass Data for ILRT 3.3E Graph of VC Pressure vs. Time During ILRT 1 3.3F Graph of Average VC Temperature vs. Time During-l- ILRT Graph of Individual RTD Temberatures vs. Time 3.3G During ILRT-(TD 901, 902, 9 3, 916) l 3.3H Graph-of Individual RTD Temperatures vs. Time During !LRT (TD 904, 905, 906, 907) 3.31 ' Graph of Individual RTD Tem eratures vs. Time 4 a. lL During ILRT (TD-908, 909,.9 0, 911) l^ 3,30 Graph of Individual RTD Temperatures vs. Time. ? During ILRT-(TD 912, 913, 914, 915) L 3.3K-Graph of Individual RTD Temperatures vs. Time During ILRT (TD 917, 918, 919. 920) !E 3.3L Graph of Average VC Dewpoint (Temperature vs. Time, !l During ILRT ' 3.3M Graph of individual Dew oint Tem eratures vs.. Time Dur ng ILRT-(MD 921, 92 ', 925, 9 7) 3.3N-Graph of VC Dry Air Masssys. Time for ILRT 1 3 3.30 Graph of VC-Leak Rate vs.-Time Showing 95% Upper. Confidence limit 'g 3.3P Reduced Input Data for Verification' Test 3.30 Graph of VC Air Mass vs. Time-During Verification . Test 3.3Rt Verification' Test Data Modified to Account for ,i Measured Type A Leak Rate 3.35-Graph of VC Air Mass-vs. Time for Modified Verification Test Data I I-I e

.y. LIST OF ATTACHMENTS I (continued) 4.1A Results of Local Leak Rate Tests Performed Since Previous Type A Test 'As Foundand 'As Left' LLRT Data For Core 19/20 ~ 4.2A and Core 20/21 Refueling Outages- -4,2B Licensee Event Report 89-001 .I' I I 'I LI 1 i I 4 i g l. l ' I 1. I I: .I 1

l vi-REFERENCES 10 CFR Part 50, 4p endix J Primary' Reactor Containment Leakage '1. Testing for Water booled Power Reactors, January 1,1989 I 2. Procedure No. OP 1708, Vapor Container-Type A Leakage Test, Yankee Nuclear Power Station, Refueling Test Procedure n 3. Procedure No. OP-4702, Vapor Container Type B & C Penetration Tests, Yankee Nuclear Power Station,. Surveillance ",est Procedure 4. ANS! N45.4-1972, American National Standard, Leakage Rate Testing of Containment Structures for Nuclear Reactors, March 16, 1972. 5.* ANSI /ANS 56.8 1987, Containment System Leakage Testing Requirements, January 20, 1987. '6. Licensee Event Report 89-001, Rev. O, Yankee Rowe Nuclear Power I-Station. Event Date 01/03/89, Report Date 02/09/89 7. Separate Report Concerning Local Leak-Rate Test Results From The Core 19/20 Refueling Outage, Yankee Nuclear Power Station, Yankee 'I. Atomic Electric Co., October 1990 ?.I I; ,I. 1 I I l a 1 I; 1,. ?I This document used only as a guideline. Any reference to this g _ document' in no way implies compliance to its requirements. lE'

SECTION 1 PURPOSE The purpose of this report is to present a description and analysis of the June 1990 Periodic Type A Containment Integrated Leak Rate Test (ILRT) and a summary of the periodic Type B and C Local Leak Rate Tests I' (LLRT's) conducted since July 1987 at the Yankee Nuclear Power Station (YNPS) ' YNPS is owned and operated by the Yankee Atomic Electric Company (YAEC). Specific plant information and technical data is contained in Attechment 1.A. This report is submitted as required by 10 CFR-50, Appendix J. Paragraph V.B. I

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_ = _ _. - _ _ _. _ _. _. _ _ ATTACHMENT 1.A TEST DATA

SUMMARY

A. Plant Information: Owner and Operator Yankee Atomic Electric Company Plant Yankee Nuclear Power Station Location Rowe, Massachusetts l Containment Type Uninsulated Spherical Steel Shell Elevated Above Grade Operating License Number DPR 3 I Docket Number 50 29 Date Test Completed June 28, 1990 B. Technical Data: Containment-Net Free Air Volume 860,000 cu. ft. Design Pressure 31.5 psig Max. Allowable Pressure 34.5 psig Calculated Peak Accident Pressure 31.6 psig Design Temperature 249 of Calculated Peak Accident Temperature 245 'F Containment Diameter 125 ft. Containment Min. Shell Thickness 7/8 in. Containment Shell Material A300 Carbon-Silicon Steel. Class A-201, Grade B B B B g l.i Page 1 of 1

SECTION 2 2.1 TyDe'A Test

2.1.1 Synods

of Ma.ior Events Pressurization of the containment, also known as the Vapor Container L (VC), for the ILRT began at 0645 hrs..on June 26, 1990 at a rate of approximately 3.5 psi per hour. Automatic containment isolation I thorough inspection of the VC structure and its access ble penetrations occurred, as designed, when VC pressure reached 4.5 ps 9 at 0810 hrs. A o during the pressurization revealed no obvious leakage paths. l VC pressurization equipment was secured at 1730 hrs, on June 26, 1990. 4 5 The VC pressurization line was isolated and vented. 1: l-Temperature stabilization of the VC atmosphere was achieved in accordance with the criteria of Reference 4 at 2301 hrs. Data collection for the ILRT began at 2306 hrs, on June 26, 1990 and lasted for 27 hours, 50 minutes until 0256 hrs on June 28, 1990, Temperature, dewpoint, and pressure data were continuously recorded I throughout the test period at 3 minute intervals except for one 90 i minute period. From 0106 to 0236 hrs, on June 27 the Mensor pressure channel was not' operable due to a minor mechanical problem. All temperature, dewpoint, and pressure data for this short period were I' eliminated from the ILRT data base. 1 During the test additional leak searches of the VC and its accessible penetrations were conducted. Two leaks were identified during these i investi ations; however, neither of these leaks were isolated during the l test. he VC personnel hatch inner door was discovered to be leaking f rom the VC into the hatch at a rate of approximately 14.1 lbm per day. H L F This is equivalent to 0.00754 wt%/ day which is approximate 1 5.0% of the acce table Type'A leak rate. The VC Heating Steam Supply T ip Valve, L 1 HC-T 413, was discovered to be leaking at~ a rate of a roximatel 6.54 l lbm/ day. This corresponds to a leak rate of 0.0035 wt day or 2. % of the acceptable Type A leak rate. l The Type A test-was completed using the absolute method-to calculate VC L air masses. The air mass data was then analyzed using the Mass Point E Method to determine the VC leak rate. The Type A test was successfully completed at 0256 hrs. on June 28, 1990. The VC leak rate.at-the 95% L Upper: Confidence Limit (UCL) with all corrections-was measured to be 0.137 wt%/ day. This leakage rate is below the 0.75.L, limit of 0.15 wt%/ day. (See Section 3.3 Test Results for more detail.) The pum back verification test was' started at 0347 hrs, on June 28,

1990, he pumpback test was completed at 0747 hrs, on the same date.

uI. ' The results of the.pumpback test satisfied the requirements-of Reference-i 2. 'The VC Data Acquisition System was therefore determined to be si (: capable of measuring'a leakage rate on the order. of L,. B' Depressurization' of the' Vapor Container commenced at 0940 hrs. on June-l [ 28, 1990 and.was completed by 1731 hrs, on the_same date. 2.1.2 Test Conclusions L The June 1990 T pe A test was successfully completed thus demonstrating the leak-tight kntegrity of the Yankee Nuclear Power Station's l' containment structure. 2.1-1 1 1

- 2,2 Type B & C Tests Local Leak Rate Tests (LLRT's) of containment isolation valves and barriers were conducted in accordance.with the requirements and guidance , I.; of Reference 3 which is the plant's Type B & C surveillance procedure. Section 4. of this report summarizes the data for the LLRT's performed since the last ILRT in May 1987 and previously not reported to the .I Commission. This information is submitted pursuant to the requirements of 10 CFR 50, Appendix J Section V.B. Also contained in Section 4 of this report is a summary analysis of the 1990 LLRT's. I I I I

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SECTION 3 3.1 Edited Loc'of Events This lo was compiled from information contained in the ILRT Official Type A og of Events and plant procedure OP 1708. L June 26. 1990 'E 0620 hrs. Pre test inspection completed. A visual inspection of 5 the accessible interior and exterior surf aces of the Vapor Container revealed no changes in appearance of the surface or any other abnormal d99r6dation. Structural integrity of he Vapor Container appears satisfactory. 0645 hrs. Pressurization of the Vapor Containment was initiated i-using three 1200 cfm Atlas Copco diesel driven L compressors each equipped with an after-cooler and air dryer. J 0738 hrs. Received Panalarm #23 on MCB 27, ' Vapor Containar Hi Pressure' at 2.5 psig. 0742 hrs. Received Panalarm #3 on Post Accident Monitoring Panel A, ' Containment. Pressure 'A' H1' at 2.8 psig. 0754 hrs. Received Panalarm #3 on Post Accident Monitoring Panel 1 1 B, ' Containment Pressare 'B' Hi' at 3.6 psig. x 0810 hrs. Automatic Containment isolation occurred at 4.5 psig as indicated on VC PI 227. Both-trains A and B of the Containment Isolation System initiated successful J automatic closure of.all containment isolation trip l valves. 1 1020 hrs. VC. pressure at 12 psig. ressurization rate maintained at approximately 3.5 3 IE 1250 hrs.. VC p/hr. psi 3 1430 brs. Completed visual inspection of all accessible exterior portions of the VC and all accessible trip valves. No I signs of leakage found. IL 1534 hrs. Periodic' monitoring of VC Cooling Fan motors indicated 1 - .all four motors running at 37 to 38 amps with VC pressureat27.5-psig. This was approaching the 40 amp r ^ .imit of the motors. 4 1545'brs. All four VC Cooling Fan motors were measured'to'be I running at 39-40 amps with a'VC pressure of.30.0 psig. All four f ans were tripped to prevent motor damage. Test' was continued with all VC Cooling Fans secured. 1730 hrs. Secured com ressors and halted VC pressurization.at 33.4 psia as ind cated on VC PI 227. Secured and vented.VC pressurizing line. l I - I

i the VC Data Acquisition Instituted data collection usinfon Period bogun with: ' 1734 hrs. System. Temperature Stabilizat VC Ave.- Temperature - 82.29 'F I Total VC Pressure - 47.555 psia Water Vapor Pressure - 0.253 psia Barometric Pressure - 14.14 psia This yielded a VC Dry Air Pressure, as read by the VC Data Acquisition system, of 33.162 psig. This was within the procedural requirements of OP 1708 for an initial dry air pressure of 33.0 to 33.5 psig. 2301 hrs. Temperature Stabilization Period completed with a variation between the VC average temperature change over the last hour and the VC avera e temperature change over the last four hours of only 0. O of 2306 hrs. Commenced Type A test using VC Data Acquisition System h a coupled to an Apple lie computer for data collection and 5 ana'r$$5-June 27, 1990 I 0236 hrs. VC pressure data indicated that there was a problem with the Mensor Pressure Indicator for the past 1.5 hours. All values of VC pressure for this period read 46.902 -psia. Further investigation by the Instrumentation & I Controls (1 & C) Department revealed that the Mensor instrument was not incrementing due to a suspected i mechanical interference. The instrument was " jogged' i and normal-indication was restored. The plot.of VC Pressure vs. Time indicated that the restored value of pressure followed the data trend prior to the onset of 1 the. problem at 0106 hrs. <I All data f rom 0106 to 0236 hrs, was eliminated from the data base since this data was invalid due to the stuck VC pressure indicator. A LOTUS spreadsheet was used to' evaluate all the data for the duration of the test. Tnis was necessary since the Apple lle Type A Test computer s program does not have the-flexibility to eliminate data points from its trendLanalysis. The Apple lie sof tware was:still employed to gather data from the VC Data = I Acquisition System and to calculate VC Dry Air Masses. The test data f rom the Apple !!e was manually s transferred to a LOTUS spreadsheet on the IBM computer. 1 The manualttransfer'of data = from the-Apple Ile computer to the IBM computer was independently-verified to be. correct. The LOTUS spreadsheet capabilities were used for all data trending and curve fitting:for this Type A' test. The Mensor channel was surveilled on a regular basis' to assure it-continued to function properly. The Hamiliton . Standard pressure indicator.Jwhich was connected to the 1 same sensing line as=the Mensor channel, was also 1 z monitored,to assure operability-of,the Mensor. ~ 2055 hrs. Discovered leakage emanating from-the downstream vent , I, valve of HC TV 413 (VC' Heating Steam Supply Trip' Valve). ! & C Department personnel measured the leak rate using = a rotameter and determined it to be approximately 1850 ' cc/ min. This-corresponds to a leak rate of 0.0035 wt%/24 hrs, which is identical to the leak rate measured 3.1-2 tI

by the last T MR #90 1369 was issued to _repairHCTVkeCtest.3 after completion of Type A test, 2155 hrs. Discovered VC Personnel Hatch (VCPH) pressurized to 11 t psig at 68 'F due to. in-leakage f rom the VC. Apparently the inner door seal was defective. The VCPH was at atmospheric pressure at the start of the test. The 11 psig corresponds to an in leakage of approximately 13.5 I lbm over 23 hours. (This assumes the outer door of the VCPH was not leaking nor any of the valves in the VCPH j = test cubicle.) This works out to be 4.99% of the E acceptable Type A leak rate of 0.15 wt%/24 hrs. MR #90-1371 issued to repair the inner door seal following g1 completion of the Type A-test. June 28. 1990 I 0256 hrs. Actual Test Period terminated after 27 hours. 50 minutes with the measured leak rate at the 95% UCL including all assumed corrections below the acceptable limit of-I 0.15 wt%/24 hrs. 0347 hrs. Pumpback Verification test started. 0747 hrs. Pumpback Verification test terminated. 0830 hrs. Pumpback test results verified the ability of VC Data Acquisition System to measure a leak rate on the order I of magnitude of the Type A leaka'e limit. i 0940 hrs. Purge of VC initiated per the requirements of Release Permit # 90 12G. _1645' hrs. VC pressure at 1.8 psig. 1731~ hrs. VC purge secured with VC pressure at 0.6 psig. I Personnel now allow (:d entry into containment. 2000 hrs. Initiated Attachment D of OP-1708 to restore all systems to their normal alignments. June 29. 1990 1233 hrs. All VC Cooling Fan plywood dampers removed by-Maintenance All VC Cooling Fans returned to normal service.- 4 June 30, 1990 1830 hrs. All post test system alignments completed per Attachment D of plant procedure OP-1708. I

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'3.2 General Test Descriotion ~ 3.2.1 Prereauisites in accordance with the ILRT rocedure, Reference 2, the following isalistingofpertinentprerequfsitesandprocedurestepscompleted _ prior to commencement of VC pressurization. a). A Type A Test Log of Events was initiated by the Test Supervisor and was used throughout the test to record major test events and pertinent observations, b) The plant was in Mode 5 with the Pressurizer filled and vented. c) Both Pressurizer safety valves were removed venting the Main Coolant System to the containment atmosphere. d) All main coolant loop isolation valves were verified open. All main coolant loop by pass valves were verified closed. e)' All main coolant pump breakers were ta ed open to secure the pumps. The stator cavities and electr al terminal boxes of the pumps were vented to the VC atmosphere to prevent any damage uring the test. f) The Low Pressure Surge Tank was vented to atmosphere. 'E g) All -instrument loops which comprise the VC Data Acquisition System g were calibrated within six months prior to the start of the test. All in-situ checks of these instrument loops were completed within thirty days prior to the start of the test. h) All instrumentation required for the pumpback-verification test were' calibrated and installed. i) All changes to the Type A Test computer program required as a I result of'the calibration of the VC Data Acquisition System were completed and appropriately documented. =a' j) .All inside and outside electrical penetration biister covers were J-removed to expose the penetrations to the differential test pressure.. k) -Three oil free mobile air compressors, each equipped with an I after cooler and air dryer, were connected to the 4 inch Type A' air charging line which is connected to the VC via the VC air purge bypass valve. HC-V 602. The blank flange on the purge bypass-line inside containment was verified to be removed. I 1) The suctions of the-four VC Heating / Cooling Fans were throttled using plywood blanks-to reduce the loads on the fan motors during. the test. I m)- All instruments and c; ipment that could be damaged by the differential test pres wre and any pressurized gas cylinders were either removed from containment or properly protected / isolated. i All Low Pressure and High Pressure Safety injection pumps were n) tagged out,of operation for the duration of the test. I o) The accumulator was isolated from the portion of the Safety injection System that was subjected to' test pressure. p ) -- The equipment hatch was verified to be bolted in place. I 3.2-1 ) e l ....m

q) All pre test Type B & C penalties for containment isolation barriors that eere not to be tested by the Type A test cere determined. The total Type B & C leakage penalty was calculated and entered into the Type A Test computer program. stem (CIAS) relays were The Containment isolation Actuation S{A* and System 'B. r). verified to be reset for both System It was B verified that there were no test or bypass penalarms registered on 7 g either system. s)- Forecasted weather conditions were checked to assure that no - S radical decreases in barometric pressure were expected and the J predicted conditions were favorable for performance of the test, t) The Maintenance and I & C Departments were notified that no work was to be performed on any containment isolation barriers during I the Type A test. u) All' systems that were to be tested during the Type A test were vented, drained, and aligned to satisfy the requirements of 10 CFR I 50 Appendix J. Section Ill.A. 4 v) The pre test containment inspection required by Section V.A of Reference 1 was satisfactorily completed. w) The pre test Instrumentation Selection Guide (ISG) was calculated assuming a 24 hour test duration and verified to be less than 0.25(L ) or 0.05 %/ day. It was also verified that no volume I weighting fraction for the VC drybulb temperature detectors a exceeded 10% and that the minimum instrumentation requirements of Reference 5 were met. 3.2.2 Eautoment and Instrumentation Pressurization of the Vapor Container was accomplished using three oil-free ~ diesel driven-air compressors supplied by Atlas Copco connected in I parallel to a common air supply manifold. Each compressor was equipped with' an af ter cooler and air dryer. This equipment included sufficient instrumentation and valving to monitor and control the quality of' air o supplied to the VC during the pressurization phase. The combined B- -capacity of the three compressors was approximately 3,600 Standard Cubic Feet per Minute (SCFM). The air supply manifold was connected to the plant s permanent Type A air charging line which is connected to the containment atmosphere via the VC air purge bypass line downstream of ag HC-V-602. .The VC Data Acquisition System was used to monitor the.various containment parameters used to calculate the VC air mass values.. The. Data Acquisition System consists of 20 resistance temperature detectors ^ ( RT D's ), 4 dewpoint temperature detectors, and 1 absolute pressure quartz manometer. In addition to this VC instrumentation, another RTD-was used to monitor ambient temperature and an electronic barometer was I used to monitor atmospheric pressure. Pertinent data for the test-instrumentation is listed in Attachment 3.2B. The general-locations of the VC instrumentation are shown on Attachment 3.20.

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A gas flow integrator was used to perform the pumpback verification test. The gas meter is temperature compensated to 60 F. A calibrated test gauge installed in the pumpback line was used to measure the pumpback pressure, g um 3 m 3.2 2 I i.

Instrumentation Selection Guide (ISG) In accordance with the requirements of Reference 5, the ISG value both prior to the start of and during the conduct of the test shall be less I than or equal to 0.25 (L,) - 0.05% per day. The instrument errors associated with the VC Data Acquisition System are as follows. Sensor Type No. of Sensor System Error Sensors Error Drybulb Temperature 20 0.05 0.07 Dewpoint Temperature 4 0.0046 0.0006 Absolute Pressure 1 0.0005 0.0015 The ISG was calculated as follows: v] 1 v e v ISG = 2 00 2 I +2 I +2 P, (T, P,, t test duration where: t e, error associated with the measurement of absolute pressure e, error associated with the measurement of

I-temperature e,,

error associated with the measurement of vapor pressure total absolute pressure, including partial P pressures of dry air and water vapor average drybulb temperature T -a)- e, - error associated with measurement of absolute pressure e, = [(0.0005)8 + (0.0015)') + (1) e, - 1.6 x 10'8 psia I b) e, - error associated with measurement of drybulb temperature e,. = ((0.05)' + (0.07 )') + ( 20) e, - 0.0201 *R I

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4 .e,, - error associated with measurement of vapor pressure c) e, = ((0.0046)' + (0.0006)'} + (4) y e,- 0.0023 psia v k The pre test ISG was calculated using the following assumed parameters: Assumed Test Duration - 24 hours . Assumed Total Test Pressure - 45.6 psia Assumed Drybulb Temperature - 500 'R '0.0016 " '0.0201" '0.0023" 7 33g, 2400 2 +2 +2 f 24 45.6, 500 45.6,, ( -( ISG - 0.0104 %/ day (Pre-Test) E No instrument leops failed during the test. All of the error calculations for the post test ISG calculation are the same as for the pre test calculation. The post test ISG was calculated using the _ I following test paraeters: Actual Test Duration - 27.8 hours Average Total Test Pressure - 46.725 psia I Average of the Average VC Orybulb Temperature - 537 'R n '0.0016 " '0.0201" '0.0023 " 1 ggg, 2400 2 +2 +2 27.8 46.725, 537 46.725,, y ISG - 0.00863 %/ day (Post-Test) Both:the pre-test and post-test ISG values were therefore verified to be l less than 0.25 (t. ). in-addition to complying with the ISG limits, the minimum sensor r requirements of Reference 5 were met-throughout the test. The maximum L f volume weighting fraction for the drybulb' temperature sensors was 8%. Reference 5 requires that no one sensor have a volume weighting fraction of greater than 10%. Reference 5 also requires that a minimum of one absolute pressure sensor, three dewpoint' temperature sensors, and one flow integrator be operable for the-test. The actual numbers of operable sensors :during the test were. one absolute pressure sensor, 4 dewpoint temperature sensors, and one flow integrator. 3.2.3 Data Acauisition System A Cyborg Data logger by Issac Corporation was used to automatically sample and process the raw data signals from the 20 VC drybulb 'I temperature sensors, the 4 VC dewcell sensors, the VC absolute pressure

sensor, the Barometric pressure sensor, and the ambient 'emperature sensor.

The data logger sampled the instantaneous values of these instruments'every three minutes. The data.loqger processed the analog signals from the sensors to convert them to digital values compatible with the. Data Resolution System. a 3.2-4 g

3.2.4 Data Resolution System The Data Resolution System consisted of an Apple lie microcomputer, the associated support hardware, and the ' Type A Test' software. Input to I the system from the data logger was accomplished via en interf ace card installed in the Apple lie computer, d The ' Type A Test' program calculated the VC dry air mass every three 5; minutes using the sensor data f rom the data logger in the following manner. An average VC temperature was calculated from the 20 RTO readings using volume weighting fractions in accordance with the methodology of Reference 5, Section 5.7.3. The four dewpoint I temperature readings were averaged to yield a single dewpoint temperature. From this dewpoint temperature a water vapor pressure was determined. -The partial pressure of the water vapor was then subtracted from the absolute VC pressure to yield the VC dry air pressure. The VC I dry air mass was calculated by applying the Ideal Gas Law using the average VC temperature, the VC dry air pressure, the Containment Net Free Volume, and the Specific Gas Constant for air. The three minute dry air mass data was manuali in ut to a LOTUS data base. The manual transf er of data from the Apple le computer to the IBM compute" was independently verified to be correct. The Lotus program was an on an IBM compatible Micro Smart 386 personal computer. I The Type A leak rate and associa?ed statistics were determined from the three minute air mass data using the capabilities of the Lotus software. The linear regression and statistical analysis algorithms of this software use equations that are consistent with those of-Appendix B of-I Reference 5 for the Mass Point Analysis Method. All the three minute air mass data from the beginning of the test at 2306 hrs'on 6/26 to the end of the test at 0106 hrs on 6/28 except for ~B' the brief time period when the Mensor pressure channel was Inoperative, was used-in the, regression analysis to determine the leak rate. The -the tesgettion criteria of Appendix 0 of Reference 5 were not-applied to-date re data. A second. lotus spreadsheet was used to trend the individual sensor data and calculated parameters f rom the output of the Apple lle. Every fifth lB1 three minute-data set from the Apple Ile was input to this second data base. The input data included the 20 VC RTD temperatures, the average -g VC-temperature, the 4 dew point cavity temperatures, the VC dry air-pressure and air mass. the ambient temperature, and the-barometric pressure. All these parameters were trended versus time throughout the I test to assure proper operation of the individual-sensors. I B B B Lt I 8

EE W. M M M E W 'M E M E ' M M M ME W' -l-.2B- ' INSTRUMENTATION LIST Date. Logger Sensor Instrument / Location Calibrated Accuracy Weighting Channel Number Range Factor 0 LM-TD-901' RTD Located by Equipment: Hatch at Elev. 1095*' 32-100'F 10.2*F~ 0.02 1 LM-TD-902 RTD at Top of VC Center Above Crane at Elev. 1165* 32-100'F 10.2 F - 0.08 2 LM-TD-903 RTD at Top of STC West at Charging Floor Elev.1112* 32-100'F 10.2'F 0.04 3 LM-TD-904 RTD at Top-of Bio-Shield West Elev.1135* 32-100oF i0.2'F 0.02 4 LM-TD-905 RTD at Top of Bio-Shield North Elev. 1135* 32-100'F 0.2'F 0.02 5 LM-TD-906 RTD at Top of Bio-Shield South Elev. 1135* 32-100*F 10.2 F 0.02 6 LM-TD-907 RTD at Top of Bio-Shield East Elev.'1135* 32-1000F 10.2 F 0.02 7 LM-TD-908 RTD on Broadway North-West Elev.1104* 32-100*F 0.2 F 0.08 8 LM-TD-909-RTD on Broadedy North Elev. 1104* 32-100'F

• 0.2*F 0.08 9

LM-TD-910 RTD on Broadway South-West Elev. 1104" 32-100'F 10.2 F 0.08 10 LM-TD-911 RTD on Broadway South Elev. 1104* 32-100 F 10.2*F 0.08 11 _ LM-TD-912 RTD in SG #1 Loop at Elev. 1095* 32-100 F 10.2'F 0.06 ~ IT -913-RTD in SG #2 Loop at Elev. 1095* 32-100 F 10.2'F 0.06 l' 914 RTD in SG #3 Loop at Elev.1095* 32-100*F 10.2*F' O.06 14 so-915 RTD in SG #4 Loop at Elev.1095* 32-100'F i0.2 F 0.06 15 LM-TD-916 RTD in Pressurizer Cubicle at Elev.1112' 32-1000F 10.2 F 0.02 16 LM-TD-917 RTD Under Broadway West at Elev.1090* 32-100'F i0.2*F 0.08 I 17 'LM-TD-918 RTD Under Broadway East at Elev.1090* 32-100 F i0.2*F 0.08 l 18 LM-TD-919 RTD.in Brass Drain Box Area North at Elev.1064* 32-100'F i0.2 F 0.02 l 19 LM-TD-920 RTD in Brass Drain Box Area South at Elev.1064* 32-100'F 10.2 F 0.02 20 LM-MD-921: Dew Probe at Charging Floor West Elev. 1117' 44-199 F i0.5 F 0.25 f 21 LM-MD-923 Dew Probe Above Broadway North at Elev. 1130* 44-199'F 10.5 F 0.25 22 LM-MD-925 Dew Probe Above Broadway South at Elev.1130' 44-199 F i0.5 F 0.25 23 LM-MD-927 Dew Probe at Charging Floor East Elev.1117' 44-199'F 10.5 F 0.25 l

. M' M M: M M M M M M-M 8 M M M M M M M M ' I.2B INSTRUMENTATION LIST Date Logger Sensor Instrument / Location Calibrated Accuracy Weighting Channel Number Range Factor 29 LM-TD-939 RTD Located On Screenwell House 32-100 F 10.2 F N/A 32 LM-PIT-2 Setra Barometer Located in Turbine Hall 11.6-15.95 10.04 N/A psia psia Issac Pre-LM-PIT-1 Hensor Quartz Manometer - Sensing Line Located on Broadway 0-100* Hg 10.1* Hg N/A l Amp Module El ev. 1104

• I P

.-m. ..a ~. -

. 8 ) ~ nI. 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 iI n 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ,. M aai RF( 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ) nn M oi rim at/ . M l ay oie Sdlag Rn 0 0 0 1 5 6 2 1 3 1 6 6 1 2 1 6 3 3 3 0 0 0 0 0 0 0 1 6 6 7 3 9 8 2 2 0 7 5 1 0 0 0 a l ( 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 , M .e er vu) AtFa rr. eeg 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 wpe 1 8 8 0 1 8 3 0 5 1 9 4 1 0 8 5 0 6 5 6 2 . M omD Le( 7 6 6 6 6 6 1 5 6 4 5 9 1 1 0 1 1 8 3 1 9 T 5 5 5 5 5 5 6 6 6 6 6 6 7 7 7 7 7 6 6 6 5 . M no .i et vc) Ae. rg M rie eDD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 p ( 0 0 0 0 0 0 0 0 0 0 pd 0 9 3 8 1 1 1 0 9 9 6 7 5 3 9 Un 0 i 1 1 0 0 7 0 7 3 6 2 4 5 4 6 8 1 3 7 2 6 W 6 7 2 1 3 2 2 2 2 2 2 2 2 2 2 2 3 2 4 1 1 . M Y A G 2 OL d 3 O n R i t O Wn n . M1 E o) e m T .i. E etg h M vce c AeD E r( 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 a 0 0 T ri 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 t 0 0 0 , M 0 t eD 0 0 3 2 0 7 9 9 4 2 8 6 9 0 0 6 2 7 I A S w 4 9 o 1 0 1 4 6 . 7 2 1 6 0 3 6 2 3 2 8 2 0 7 3 L 1 1 2 9 2 5 2 3 2 2 2 2 2 2 2 3 2 2 1 9 1 . 8 .d ee ve A p) Sh r p . M edm pn( pi UW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 05 2 9 2 3 5 9 6 9 4 5 0 9 8 3 5 7 2 0 0 2 1 1 2 1 1 2 1 A 5 6 8 9 7 9 5 6 5 3 1 1 1 M .d ee . M ve-A p) Sh r p edm wn( oi 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 '0 LW 0 9 7 0 0 0 4 3 9 4 0 8 8 9 0 3 3 3 ' 8 0 1 . M 2 1 2 2 2 3 3 4 4 5 6 6 5 6 4 6 4 3 2 1 2 ru . M o H 0 1 2 3 4 5 6 7 8 9 0 1 1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 2 2 M 0 e 9 t / a 5 D 2 / 6 M. 0

M M .Mi M M W1 M M W. M M M M M M M M M W Attachment 3.2A SITE METEOROLOGY Date Hour Lower Ave. Upper Ave. Lower Ave. Upper Ave. Lower Ave. Solar Rain Wind' Speed Wind Speed Wino Direction Wind Direction Temperature Radiation Fall -(mph) (mph) (Oeg.) (Deg.) (Oeg. F) (Langley / Min) (In.) 22-1.80 1.00 104.00 12.00 57.10 0.00 0.00 23 1.90 1.00 108.00 18.00 56.10 0.00 0.00 24 1.70 1.30 111.00 14.00 55.30 0.00-0.00 06/26/90 1 1.90 1.00 105'.00 39.00 54.3u 0.00 0.00 2 2.40 1.40 99.00 15.00 53.70 0.00 0.00~ 3 1.80 1.30 111.00 17.00 53.00 0.00 0.00 4 2.20 1.50 111.00-30.00 52.20 0.01 0.00 5 2.40-3.60 95.00 17.00 52.70 0.05 0.00 6 2.10 2.90 70.00 61 00 55.30 0.37 0.00 7 2.30 1.60 78.00 93.00 60.40 0.64 0.00 8 2.70 3.40 67.00 39.00 65.70 0.91 0.00 9 6.30 7.40 23.00 12.00 70.20 1.13 0.00 10 6.90 8.50 329.00 330.00 72.00 1.26 0.00 11 5.70 7.40 242.00 253.00 73.20 1.43 0.00 12 5.60 6.90 299.00 276.00 73.70 1.41 0.00 13 6.00 7.80 218.00 224.00 75.70 1.36 0.00 1.22 0.00 14 6.00 7.20 211.00 230.00 ,_q 76.50 15 5.90-8.20 218.00 227.00 ,7.50 1.01 0.00 16 4.60 6.00 267.00-263.00 77.30 0.78 0.00 17 6.70 9.80 236.00 232.00 76.70 0.50 0.00 18 2.30 2.20 5.00 256.00 71.80 0.14 i 0.00 a.- '

E E E E E E E E E M E E E M M E E E S Attachment 3.ZA SITE METEOROLOGY Date Hour Lcwer Ave. -Upper Ave. Lower Ave. Upper Ave. .ower Ave. Solar Rain Wind Speed Wind Speed Wind Direction Wind Direction Temperature Radiation Fall (mph) (mph) (Deg.) (Deg.) (Deg. F) (In.) (Langley / Min) 19 1.60 1.10 61.00 28.00 67.50 0.03 0.00 I 20 1.60 1.00 125.00 37.00 64.20 0.00 0.00 21 1.80 1.30 115.00 13.00 61.80 0.00 0.00 22 2.00 2.40 106.00 16.00 60.30 0.00 0.00 23 2.60 3.40 88.00 29.00 59.40 0.00 0.00 24 3.00 3.80 60.00 33.0,0 58.70 0.00 0.00 06/27/90 1 3.00 2.80 64.00 3j,. 00 58.30 0.00 0.00 2 4.90 3.20 27.00 224.00 58.60 0.00 0.00 3 2.60 1.50 47.00 163.00 53.90 0.00 0.00 4 2.90 1.00 14.00 19.00 59.60 0.01 0.00 5 3.50 3.70 36.00 22.00 59.30 0.08 0.00 6 1.70 1.00 68.00 316.00 59.90 0.15 0.00 7 2.00 4.30 221.00 181.00 63.40 0.47 0.00 8 3.60 5.60 187.00 210.00 72.00 0.79 0.00 9 5.00 6.50 211.00 195.00 75.70 1.05 0.00 L 10 5.30 7.80 213.00 223.00 76.70 1.03 0.00 11 5.80 9.70 234.00 235.00 77.30 0.89 0.00 12 7.40 11.10 214.00 225.00 79.30 1.31 0.00 13 3.80 5.70 249.00 254.00 75.90 0.18 0.00 14 2.90 2.50 114.00 178.00 73.70 0.23 0.00 15 4.50 6.40 217.00 217.00 73.60 0.30 0.00 -r ~,

4.2A SITE METEOROLOGY Date Hour Lower Ave. Upper Ave. Lower Ave. Upper Ave. Lower Ave. Solar Rain Mind Speed Fired Speed Wind Direction Wind Direction T w erature Radiation Fall (mph) Jmph) (Deg.) (Deg.) (Deg. F) (Langley / Min) (In.) 16 5.90 7.70 236.00 252.00 76.30 0.55 0.00 17 4.60 6.30 339.00 330.00 74.00 0.30 0.00 18 3.10 4.30 272.00 292.00 71.50 0.13 0.00 19 2.70 3.60 153.00 239.00 68.70 0.03 0.00 20 1.90 1.50 84.00 289.00 65.00 0.00 0.00 21 1.60 1.00 39.00 351.00 63.30 0.00 0.00 22 1.50 1.20 108.00 336.00 62.50 0.00 0.00 23 1.80 1.20 274.00 229.00 62.80 0.00 0.00 24 2.10 3.10 166.00 339.00 62.00 0.00 0.00 06/28/90 1 1.90 1.20 140.00 335.00 59.90 0.00 0.00 2 1.80 1.00 127.00 37.00 58.00 0.00 0.00 3 2.00 1.00 137.00 6.00 56.20 0.00 0.00 4 1.60 1.00 128.00 8.00 56.50 0.01 0.00 5 1.80 1.20 64.00 61.00 56.40 0.10 0.00 6 3.20 3.20 34.00 234.00 60 70 0.24 0.00 7 4.00 4.90 36.00 243.00 64.30 0.41 0.00 8 7.20 8.60 244.00 260.00 66.10 0.79 0.00 5.90 6.20 263.00 254.00 64.90 0.67 0.00 9 10 8.60 10.10 234.00 250.00 66.80 0.79 0.00 11 7.60 9.70 251.00 264.00 68.00 1.16 0.00 12 8.20 10.30 270.00 282.00 69.10 1.47 0.00

ll ) nl il n 0 0 0 0 0 0 0 0 0 0 0 0 aaI 0 0 0 0 0 0 0 0 0 0 0 0 RF( 0 0 0 0 0 0 0 0 0 0 0 0 ) nn oi rim at/ l ay oie Sdlag Rn 0 2 3 0 4 5 3 0 0 0 0 0 a 5 2 0 8 5 1 0 0 0 0 0 0 L ( 1 1 1 0 0 0 0 0 0 0 0 0 .e er) vuF At a. rrg eee 0 0 0 0 0 0 0 0 0 0 0 0 w pD 2 7 6 3 7 2 7 2 6 9 2 5 om( Le 0 0 0 1 1 9 2 8 4 2 2 1 T 7 7 7 7 7 6 6 5 5 5 5 5 l no .i et vc) Ae.rg rie eDD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 p ( 0 0 0 0 0 pd 0 0 0 Un 0 4 1 5 7 2 3 1 i 9 6 4 6 5 8 4 3 W 2 2 2 2 2 2 3 1 3 6 2 1 Y A G 2 OL n 3 O .o R ei t O vt n E Ac) 5 e m T e. E rrg h M ei e c wDD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 a E o ( 0 0 t T Ld 2 6 8 0 t n 6 4 0 0 8 7 I i 9 6 5 4 2 8 2 1 1 1 3 0 A S W 2 2 2 2 2 2 9 1 1 1 1 9 .d ee ve A p) Sh r p edm pn( pi 0 0 0 0 0 0 0 0 0 0 UW 0 0 3 6 6 4 6 8 9 5 5 9 4 0 0 0 7 8 1 1 8 6 4 3 1 1 1 4 .d ee ve A p)Sh r p edm wn( oi 0 0 0 0 0 0 0 0 0 0 2 0 0 0 2 LW 6 6 8 9 4 8 1 2 0 6 6 7 7 7 4 2 2 2 2 1 3 ru o 3 4 5 6 7 8 9 0 1 2 3 4 H 1 1 1 1 1 1 1 2 2 2 2 2 e ta D

Attachnent 3 2C 11.FT PTD and Devreint Tenterature Fensor Incations Drawine toestien Instrunent Noi 1.oention in VC 01 LM-TD-901 RfD ty Equitnient Hr.tch (109$') 02 LM TD 902 RTD at Top of VC Center (110$') 03 LM TD-903 RTD at Top of STC West at I Charging floor (1112') 04 LM TD-904 RTD at Top of Bio-Shield west (1135') 05 LM-TD-905 RTD at Top of Bio-Shield north (113$') 06 LM-TD-906 RTD at Top of Bio-Shield south (1135') I 07 LM-TD-907 RTD at Top of Bio-Shield esat (113$') 08 LM-TD-90B RTb on Broadway northwest (1104') 09 LM TD 909 RTD on Broadway north (1104'1 10 LM TD-910 RTD on Broadway southwest (1104') 11 LM TD-911 RTD on Broadway south (1104') I 12 LM TD-912 RTD in 50 $1 Loop (1095') 13 LM TD-913 RTD in SO #2 Loop (1095') 14 .v-TD-914 kTD in 30 #3 Loop (1095') 15 la 1D-91$ RTD in 50 #4 Loop (1095') I 16 LM. 't).916 RTD in Pressuriter Cut'icle (1112') 17 LM Tp.917 RTD under Broadway west (1090') 16 LM-TD-918 RTD under Broadway east (1090') 19 LM TD 919 RTD in Brass Drain Box north (1064') 20 LM TD-920 RTD in Brass Drain box south (1064') I 21 LM.MD-921 Dew Probe at Charging Floor west (1117') 23 LM MD-923 Dew Frobe above Broadway north (1130') 25 LM-MD-925 Dew Probe above Broadway south (1130') 27 LM-MD-927 Dew Frobe at Charging Floor east (1117') I Flen View of VC I Sm O N I I e b I s s E tt ~\\ I 9 9 6

I V*

e I 8 $e ~~. mulitt M l

3.3 Test Results 3.3.1 Presentation of Test Results Temperature St bilization was complekan at 1734 hrs, on hase of the Type A be The temperature stabilization ed at 2301 hrs. on June 26, 1990. the same date. The dif ference between the change in VC average temperature over the last hour of the stabilization period and the I change in VC average temperature over the last four hours of the stabilization period was calculated to be 0.10 'F. The reduced data for the temperature stabilization period is shown in figure 3.3A. A plot of the average VC temperature versus time for the stabilization period is I shown in Attachment.'.3B. The actual test data for the June 1990 ILRT is based on a 27 hour. 50 minute test period which began at 2306 hrs, on June 26, 1990. The test I was conducted using the Absolute Method to calculate the VC dry air mass and the Mass Point Analysis Method to resolve the data. The final test results were determined usino the Apple !!e ' Type A Test' and the IBM Lotus programs as described in Section 2.4 of this report. I The reduced input data for the ILRT is shown on Figure 3.30. The three minute VC air mass data used for the leak rate analysis is shown of figure 3.30. I The 'As Found' and 'As left' test results for the ILRT satisfied the procedural acceptance criteria that the measured leak rate at the 951 UCL, including all correction facters be less than or equal to 0.75 L i or 0.15 wit / day. A plot of the VC dry air mass versus time for the !Lhi is shown on Attachment 3.3N. This plot includes the least square fit of the date which represents the measured Type A leak rate. Additionly,.30 shows a graph of the same data however, this plot I includes the following three lines: Least square fit of the data Least square 'it plus an adjustment for the 95% upper 5 confidence limit of the date Technical Specification limit The Type A instrumentation's ability to measure a leak on the order of i magnitude of L, was verified by the Pumpback Verification Test Method. The reduced input data for the verification test is shown on figure A plot of the VC air mass as measured by the Type A 3.3P. instrumentation,versustimeduringtheverificationtestisshownon I test after adding correction factors to account for the measured Type A.30. Figure 3.3R presents the reduced data for the pumpback leak rate. 3S is a plot of this modified data versus time. I The Hass Point Analysis Results for the Pumpback Verification Test satisfied the procedural acceptance criteria that the pumped back air mass determined by the Type A instrumentation vary by less than 251 from the pumped back air mass measured using the flow integrator. I I I I 3.3 1 I I

3.3.2 ILRT Results Hass Point Analysis The ILRT was conducted at greater than the peak accident pressure of 31.6 psig in accordance Yankee Nuclear Power Station refueling test I procedure OP 1708. The 'As Found' and 'As left' results for the ILRT are shown below. Both the 'As Found' and 'As Left' results were within the acceptable I limits of 0.75 L, or 0.16 wtt/ day. ILRT Results Mass Point Analysis item As Found (wtt/ day) As left (wtt/ day) 1. Measured Leak Rate. L,. 0.129560 0.129560 2. Upper Confidence Level. 951 UCL 0.006124 0.006124 I 3. L.,+ 952 UCL 0.135684 0.135684 4. Corrections for: I (See Section 3.3.4) a. Type B Penalties 0.001500 0.008185 b. Type C Penalties 0.000244 0.000568 c. Water levels 0.0 0.0 I Total Rep & 4)orted Type A Leak Rate 0.137428 0.126931 5. (Items 3 I I I I I I I I 3.3 2 E

3.3.3 Verificat,en Test Results Mass Point Analysis The Supplemental Verification lest was performed using the Pumpback Verification Test Method in accordance with Reference 2. The results of I the Pumpback Verification Test are shown below. 1. The Pumpback Verification Test is acce table rovided that the amount of air pumped back is between 7 % and 25% of L, and: m - ((L,,)(t)(W )/ 240b' - (Rate)(t )(60) 3 where mass pumped back to containment as measured by the gas m-flow integrator (1bm) L,,- measured leal rate from Type A test (wt%/ day) t-pumpback verification test duration (hrs.) W-intercept of reoressed line representing containment air mass change during pumpback test as determined from the b Type A instrumentation (1bm) Rate - slope of regressed line representing containment air mass change during pumpback test as determined by Type A instrumentation (1bm/ min) I 2. The amount of air contained in the VC prior to the start of pumpback test was 201993 lbm as directly measured by the Type A instrumentation. The daily allowable leakage, L,. for Yankee Rowe I is 0.20 wt%/ day. This is 404 lbm/ day for the amount of air that was in the VC at the start of the pumpback test. Durino the verification test 336.1 lbm or 83% L,Yhe mass was addedwas pumped back to 3. the VC as measured by the gas flow integrator. over a four hour period, in accordance with Section 3.2.6.b.2 of Reference 5 no more than 25% of the total mass was charged into the VC in any one hour period. I I i I

I I

3.3-3 I I

4. The measured pumpback porameters cere: m - 336.1 lbm I t,,- 4 hours 0.129560 wt%/ day L W - 202034 R te = 1.49 so that: L m - ((L,,)(t)(W )/2400) - (Rate)(t)(60) s 0.25 3 I g 3 336.1 - ((0.129560)(4)(202034)/2400} - (1.49)(4)(60) s 0.25 g 336.1 ~ l -0.194] s 0.25 0.194 s 0.25 The pumpback test thus met the acceptance criteria of Reference 2. I If was therefore verified that the Type A instrumentation was ca able of measuring a leak rate on the order of magnitude of L, wi hin the acceptable accuracy limits. 3.3.4 leakaoe Penalties Added to Tvoe A Leateae The penetrations listed below could not be tested adequately during the i Type A test due to either operating requirements or system design constraints. The 'As Found Type B and C leak rates for these penetrations were determined by performing LLRT's in accordance with the applicable sections of Reference 3 either immediately preceding or following the test. These local leak rates were added to the measured I Type A leak rate as shown in Section 3.3.2 to determine the 'As Found* Total Reported Type A Lenk Rate. A) 'As Found' Tvoe B Penalties I Penetration Descrir. tion Leak Rate (wtt/ day)

1) VC Personnel Hatch Outer Door 0.0015 I

and associated valves Total 'As Found' Type B Penalties - 0.0015 wt%/ day - I I I 3.3 4 I I

l B) OAs Foundo Type C Penalties 1 Penetration Descriotion lea 6 Rate (wtt/ day) I

1) VC Service Water Supply Trip 0.0 Valve SW TV 412

]

2) VC Service Water Return Trip 0.0 I

Valve, SW TV 408

3) Main Coolant Bleedline Trip 0.0 Valve, CH LCV 222

)

4) VC Drain Trip Valve (VD TV 209) 0.0 and Com onent Coolin Surge Tank

) Safety alve (CC SV 27)

5) Main Coolant Drain Trip Valve 0.00021 J

(VD TV 202)

6) Main Coolant Sample Trip Valve 0.000002 (SA TV 206)

7) Neutron Shield Tank Sample Trip 0.000032 5

Valve (SA TV 207) Total 'As Found' Type C Penalties - 0.000244 wt%/ day The water levels of the Pressurizer and the VC Drain Tank were monitored during the test to measure any changes in their levels that would affect the assumed net free air volume of the containment. Correction factors 1 I were calculated in accordance with Attachment H of Reference 2 to adjust the measured leak rate f or any volume changes. These water level correctionfactorswereaddedtothemeasuredTygeAleakrateasshown in Section 3.3.2 to determine both the 'As found and 'As left' Total I Reported Type A Leak Rate. C) 'As Found' & 'As left' Water level Corrections Description leak Rate Correction (wit / day) 1) Pressurizer Level 0.0

2) VC Drain Tank Level 0.0 Total Water Level Corrections -

0.0 wt%/ day 'As Left Leakage Savings' were determined from 'As found' and 'As left' LLRT results for any containment barriers that were repaired, modified. installed or reassembled during the refueling outage. The leak rate I savings shown on page 3.3 6 were determined by subtracting the 'As Left" Type B or C leak rate from the 'As Found* Type B or C leak rate for each of the listed containment barriers. I The 'As left' Type B and Type C penalties shown in Section 3.3.2 were calculated by subtracting the 'As left Leakage Savings' from the 'As found' penalties in accordance with Attachment N of Reference 2. The 'As Left' Type B and Type C penalties were then added to the measured I Type A leak rate as shown in Section 3.3.2 to determine the 'As Left* Total Reported Type A Leak Rate. The net effect of the ' Leak Rate Savings

• achieved by the various repairs made during the outage was to significantly lower the 'As left' Total Reported Type A Leak Rate.

1 I 3.3 5 I I

1 D) 'As left Tvoe B Penalties Descriotion teal Rate Savinos (wtt/ day) 1) Electrical Penetrations 0.010185 2) Purge inlet Blank Flange 0.0001 3) Purge Outlet Blank Flange 0.0001 4) Low Pressure Vent Header 0.0 Blank Flange

5) VC Demineralized Water 0.0 Supply B1ank F1ange

6) VCPH and associated valves 0.0002 7)

Fuel Chute Blank Flange 0.0001 1 8) Fuel Chute Dewatering Line 0.0 Blank Flange Total Type B Leak Rate Savings - 0.009685 wt%/ day [*As left' Type B Penalty) lty) - (Total Type B Leak Rate Savings) ['As found' Type B Pena ['As Left' Type B Penalty) - (0.001500 0.009685) wt%/ day , 0.008185 wt%/ day D) *As left' Tvoe C Penalties I Description leak Rate Savinos (wt%/ day) VC Heating Steam Suppl 0.0007 1) Trip Valve (HC TV 413)y

2) VC Heating Steam Return Trip 0.0016 Valve (HC TV 409) i

3) Hain Coolant Sample Trip 0.0 Valve (SA TV 206) 1 4)

New Pressurizer Pressure 0.0 Transmitter (PR PT 701)

5) Modified SIAS and CIS pressure

-0.000088 sensing lines . Total Type C Leak Rate Savings - 0.000812 wt%/ day I ['As left' Type C Penalty) lty) - (Total Type C Leak Rate Savings) ['As Found* Type C Pena [*As left' Type C Penalty) - (0.000244 0.000812) wt%/ day , 3 , 0.000568 wt%/ day

l. g I

l E 3.3 6 l I

3.3.5 Diurnal Effects The containment structure (VC) at YNPS is an 125 ft diameter uninsulated spherical steel shell located 24 f t above ground level. This design I makes the VC atmosphere more susceptible to diurnal heating / cooling effects than insulated containment structures. The VC shell is sub iected to localized solar heating during the day and radiant cooling dur;<ng the night. Diurnal heating / cooling effects are more pronounced when atmospheric conditions are clear and the days are sunny and nights are cool. These conditions were present during the test period (figure 3.2 A). In I addition, the VC Heating / Cooling f ans were not operable during the test period because of high motor emperage. The reduced air circulation in the VC increased the effects of localized heating and cooling. Attachments 3.3 G K present VC temperature data measured durin the test period. These data indicate that the outer temperature zones ocated nearest the VC shell show the greatest variation consistent with the diurnal cycle. Inner VC zones show little variation. I VC air mass variations calculated for the test period correspond to VC temperature variations. The location of the VC temperature detectors are not fully representative of the average zone temperature for the I zones located near the VC shell. Reduced air circulation from operation without fans causes a temperature gradient throughout these outer zones. Comparison of the air mass data with temperature data indicate that the temperature detectors measure temperatures between the shell temperature 1 and the average zone temperature. The result is an air mass trend that is influenced by diurnal heating / cooling cycles. The statistical treatment of the air mass data evaluates the diurnal j effects conservatively. The reported leak rate includes an adjustment to reflect a 95% confidence level. The diurnal cycle increases the standard error of the coefficient for the leak rate. This increase results in a higher leak rate reported for the test period. In I addition, if the effect of the diurnal cycle was eliminated from the VC 1 air mass trend (ie. true zone average temperatures were used), the observed leak rate would be lower than the reported value. An alternate method for estimating the actual leak rate is to evaluate the air mass data collected during the early morning hours at the beginning and end of the test. These hours were selected because they '3 occur during a stable period of the day after the nighttime cooling bnd 1 before the daytime heating. The actual leak rate calculated using this 1 l 5 methodology results in a leak about 25% lower than the reported leak rate. The estimated value is closer to the cumulative Type B and C test results. I I i I LI 3.3 7 8 lI

I 3.3.6 Local leakaae Tests Performed on Modified Systems Pursuant to the requirements of Section IV.A of Reference 1 the I following local leck rate tests where performed during the Core 19/20 Refueling Outage. These tests were performed to assure continued compliance with the integrated leak rate requirements of Yankee Rowe Technical Specification 3.6.1.2 following completion of major I modifications to the noted systems. This infoimation is being supplied in accordance with the requirements of 10 CFP $0, Appendix J. Section IV.A. System Installed or Modified Test Procedure leak Rate (wt%/ day) Water Clean Up System OP 7000.35 0.000019 Penetrations OP 4702. Att. NN Neutron Shield Tank Telltale OP 7000.36 0.030024 I Lines VC Service Water Return Line OP 4702, 0.00023 and Trip Valve Att. C. PCN #10 The ' As left' Type A leak rate at the 95% UCL including all correction factors for the May 1987 ILRT was 0.1213 wt%/ day. The results of these local leak rate tests were added to the 0.1213 wt%/ day leak rate for the I May 1987 ILRT. The resultant Type A leak rate was 0.121573 wt%/ day which is less than the maximum acceptable leak rate of 0.15 wt%/ day. The integrated VC leak rate was thus confirmed to be acceptable following completion of the above noted modifications. I I i 1 I I r h" l I 3.3 8 I

I I,, I Figure 3.3A Reduced Data for Temperature Stabilisation Period Time of Average VC Dry Air VC Air Ambient Barometric Temp Stab VC Temp Pressure Mass Temperature Pressure Minutes 'F psia Ibm 'F psia I O 82.29 47.302 202594.1 80.3 14.14 15 81.91 47.246 202493.8 80.6 14.16 30 81.79 47.223 202439.2 79.4 14. '. 5 E 45 81.72 47.205 202388.7 79.4 14.15 5 60 81.65 47.191 202357.2 77.4 14.14 75 81.50 47.173 202332.8 78.4 14.15 90 81.45 47.156 202279.8 75.2 14.16 I 105 81.27 47.142 202287.1 74.0 14.16 120 81.21 47.126 202239.8 72.1 14.16 135 81.09 47.101 202180.0 69.8 14.15 I 150 80.75 47.075 202194.3 69.1 14.16 165 80.60 47.052 202150.4 68.1 14.15 180 80.41 47.020 202118.7 67.1 14.16 195 80.22 46.996 202053.8 65.5 14.15 I 210 79.92 46.971 202058.5 64.8 14.16 225 79.64 46.943 202043.3 63.7 14.16 240 79.21 46.922 202113.2 62.6 14.16 1 255 78.92 46.901 202131.7 62.3 14.14 270 78.56 46.882 202185.1 62.0 14.14 285 78.43 46.857 202126.5 61.8 14.16 5 300 78.22 46.839 202128.5 60.6 14.16 315 77.94 46.815 202128.5 60.3 14.16 327 77.71 46.801 202154.0 60.3 14.16 i B B E I I I E

Figure 3.3A Con't I Time of Equipment Top of VC Charging Bio-Shield Bio-Shield Temp Stab Hatch Temp Temp Floor Temp West Temp North Temp Minutes 'F 'F 'F 'F 'F I 0 78.38 88.36 84.77 87.60 87.17 15 77.88 86.86 84.28 86.77 86.34 30 77.71 86.19 84.11 86.44 86.17 5 45 77.38 85.86 83.61 86.10 85.84 60 77.38 85.36 83.94 85.77 85.34 75 77.21 84,70 83.78 85.27 85.34 90 77.21 84.53 83.70 84.94 85.01 I 105 77.05 84.20 63.44 84.77 84.34 120 76.88 83.87 83.28 84,44 84.17 135 76.72 83.70 83.11 84.44 83.84 1 150 76.38 83.03 82.61 83.94 83.84 165 76.22 82.87 82.45 83.94 83.51 100 75.88 82.54 82.11 83.61 83.17 195 76.05 82.20 81.95 83.78 83.17 I 210 75.08 81.70 81.45 83.20 82.34 225 75.55 81.37 81.28 82.94 82.51 240 75.30 81.04 80.95 82.78 82.17 1' 255 75.05 80.71 80.62 82.45 81.67 270 75.05 80.54 80.12 82.11 81.34 285 75.05 80.21 80.12 81.95 81.34 I 300 74.39 80.04 79.79 81.61 81.34 315 74.39 79.88 79.62 81.61 81.01 327 74.39. 79.71 79.45 81.45 81.01 I I I I I I I 4 I

Figure 3.3A Con't I Time of Bio-Shield Bio-Shield Broadway Broadway Broadway Temp Stab South Temp East Temp NW Temp North Temp SW Temp Minutes 'F 'F 'F 'F 'F I 0 86.72 87.05 80.01 80.96 80.13 15 86.05 86.22 80.17 80.96 80.30 30 85.72 85.89 80.17 81.12 80.47 I 45 85.39 85.72 80.17 80.79 80.47 60 84.89 85.39 80.01 81.12 80.30 75 84.39 85.06 80.01 80.96 80.30 90 84.06 84.56 79.67 01.12 80.30 I 105 83.89 84.39 79.67 80.96 80.13 120 84.06 84.23 79.67 80.79 80.13 135 83.56 84.06 79.67 80.79 79.97 I 150 83.39 83.73 79.51 80.46 79.80 165 83.06 83.39 79.17 80.29 79.63 180 82.89 83.23 79.17 79.96 79.47 I 195 82.73 83.06 78.84 79.80 79.13 210 82.23 82.56 78.51 79.63 78.80 225 81.90 82.23 78.17 78.97 78.30 240 81.56 81.90 77.34 78.47 77.63 1 255 80.90 81.56 77.01 78.14 77.30 270 81.07 81.07 76.34 77.64 76.80 285 80.90 81.07 76.17 77.31 76.63 l 300 80.73 81.07 76.01 77.14 76.33 l 5 315 80.23 80.23 75.60 76.15 75.97 327 80.23 80.40 75.01 76.31 75.80 I

I l

LI l1 IE E

i Figure 3.3A Con't I I Temp Stab Time of Broadway Loop W1 Loop 62 Loop 93 Loop 94 South Temp Temp Temp Temp Temp Minutes 'F 'F 'F 'F 'F I 0 79.75 85.71 84.75 84.58 83.58 15 79.58 85.21 84.25 84.08 83.58 30 79.58 85.21 84.42 84.25 83.42 45 79.75 85.38 84.42 84.42 83.42 5 60 79.75 85.30 84.42 84.00 83.58 75 79.58 85.21 84.42 84.08 83.58 90 79.92 85.38 84.25 84.00 83.42 8 105 79.75 85.21 84.08 83.92 83.25 120 79.58 85.21 84.25 84.08 83.42 135 79.75 85.21 84.25 83.92 82.92 1 150 78.92 85.05 84.08 83.75 82.92 165 78.92 04.71 84.08 83.58 82.92 180 78.45 84.71 84.08 83.58 82.92 195 78.42 84.71 83.92 83.58 82.92 1 210 78.08 84.38 83.58 83.42 82.75 225 77.58 84.38 83.58 83.42 82.58 240 76.92 84.04 83.42 83.08 82.25 8 255 76.58 83.88 83.42 83.08 82.00 270 76.08 83.54 82.92 82.75 82.08 285 75.92 83.71 82.92 82.75 82.08 300 75.58 84.04 82.92 82.42 81.92 5 315 75.42 83.54 83.08 82.42 01.92 327 75.08 83.38 82.25 82.08 81.75 B' I I e I I I I

I IFigure3.3 Acon't Time of Pressurizer Below Bdwy Below Bdwy Brass Drain Brass Drain Temp Stab Temp West Temp East Temp North Temp South Temp Minutes 'F 'F 'F 'F 'F I 0 86.08 78.84 76.82 78.51 79.01 15 86.00 78.34 76.49 78.00 78.51 30 86.08 77.83 76.15 78.00 78.51 I 45 85.92 77.83 76.15 78.00 78.51 60 85.58 77.83 76.15 78.00 78.51 7b 85.58 77.83 76.99 70.00 78.34 90 85.42 77.66 75.99 78.00 78.51 I 105 85.25 77.49 75.82 77.84 78.51 120 65.42 77.32 75.02 77.86 78.34 135 85.42 76.98 75.65 77.04 78.15 5 150 85.05 76.82 74.02 77.67 78.34 165 84.75 76.65 74.82 77.84 78.17 180 84.75 76.31 74.66 77.67 70.00 I 195 84.25 75.80 74.32 77.50 78.00 210 84.25 75.46 74.16 77.67 70.00 225 84.08 75.30 73.82 77.50 77.67 240 83.75 74.79 73.49 77.50 77.50 5 255 83.58 74.28 73.16 77.17 77.34 270 83.25 73.95 72.83 77.17 77.17 285 83.25 73.61 72.66 77.17 77.17' I 300 83.08 73.44 72.16 77.34 77.00 315 82.92 72.93 72.00 77.17 76.84 327 82.75 72.43 72.00 77.17 76.84 B. I I I I I I

Figure 3.3A Con't I Time of Dew Point Dew Point Dew Point Dew Point Temp Stab Cavity 20 Cavity 21 Cavity 22 Cavity 23 Minutes 'F 'F 'F 'F I 0 131.27 131.61 1,4.27 131.27 15 130.75 131.27 130.92 130.92 30 129.39 130.75 130.24 130.50 I 45 129.73 130.75 131.10 130.58 60 129.22 130.41 129.73 129.90 75 129.05 129.90 129.90 129.90 90 128.53 129.56 129.90 129.90 I 105 128.36 129.39 129.39 129.05 120 127.51 129.05 129.05 128.87 135 128.36 128.70 129.05 128.36 I 150 128.53 120.07 128.70 129.05 165 127.17 128.02 128.70 128.19 180 126.65 128.19 128.19 128.36 I 195 127.17 128.02 128.87 120.02 210 127.68 127.85 128.19 127.68 225 127.00 127.51 128.36 128.53 240 126.48 127.34 127.05 127.68 I-255 126.65 127.17 127.34 127.17 270 126.48 126.48 126.82 126.82 285 125.80 126.65 127.17 127.17 I 300 126.31 126.65 127.00 127.17 315 124.77 127.00 127.34 127.68 327 125.29 126.65 127.34 127.00 I I I I I I 1 I

I I l I s ~ I s l I 1 = l R! I-l "a g I "E i b e e b I ai ia H o ( 8, I -s I I 8 8 8 E S R R R R I d '900 'eangeandtual DA ofeasAy I

I I Figure 3.30 Reduce i Input Data For ILRT Time of Average VC Dry Air VC Air Ambient Barometric ILRT VC Temp Pressure Mass Temperature Pressure Minutes 'F psia lbm 'F psia 0 77.66 46.795 202148.8 60.3 14.15 15 77.51 46.779 202133.6 60.3 14.15 I 30 77.14 46.760 202193.3 59.8 14.15 45 76.79 46.747 202266.0 59.6 14.15 60 76.82 46.732 202193.2 59.4 14.15 75 76.70 46.714 202160.7 58.9 14.16 90 76.54 46.703 202170.8 59.1 14.15 225 75.20 46.599 202228.1 59.1 14.15 240 75.12 46.591 202224.2 59.4 14.13 I 255 75.0b 46.589 202239.1 59.1 14.14 270 75.04 46.582 202213.7 59.3 14.13 285 75.02 46.577 202197.6 59.6 14.13 300 74.96 46.574 202210.9 59.6 14.14 315 74.84 46.570 202237.5 59.6 14.15 330 74.84 46.566 202218.2 59.6 14.14 345 74.84 46.564 202212.0 59.6 14.13 360 74.77 46.559 202214.3 59.4 14.15 375 74.73 46.556 202217.8 59.1 14.14 390 74.66 46.548 202209.0 59.1 14.14 I 405 74.60 46.544 202213.3 59.6 14.14 420 74.59 46.540 202201.2 59.9 14.14 435 74.57 46.538 202201.1 59.9 14.14 450 74.50 46.533 202205.6 61.1 14.13 I 465 74.53 46.537 202210.7 62.3 14.14 480 74.51 46.534 202206.6 61.8 14.13 495 74.56 46.533 202183.9 62.5 14.13 510 74.55 46.536 202199.7 63.7 14.13 525 74.55 46.541 202221.4 65.0 14.13 540 74.62 46.547 202220.8 67.9 14.13 555 74.65 46.559 202260.5 72.6 14.13 570 74.94 46.575 202221.2 72.5 14.13 585 75.16 46.596 202229.2 74.3 14.13 600 75.36 46.616 202240.3 74.0 14.13 615 75.66 46.636 202214.8 75.4 14.13 630 75.81 46.659 202255.1 76.0 14.13-645 76.17 46.682 202219.9 76.7 14.13 660 76.41 46.707 202236.7 79.1 14.13 675 76.79 46.726 202175.5 80.1 14.13 690 76.98 46.753 202221.2 80.1 14.13 I 705 77.30 46.776 202201.0 80.1 14.12 720 77.54 46.798 202206.5 78.9 14.13 735 77.79 46.818 202199.5 79.4 14.13 750 78.04 46.839 202194.7 80.8 14.13 765 78.31 46.859 202178.6 79.1 14.13 780 78.46 46.875 202193.4 80.1 14.13 795 78.69. 46.887 202155.9 80.3 14.13 810 78.82 46.897 202152.0 .79.8 14.13 825 79.01 46.906 202120.6 81.0 14.15 840 79.10 46.918 202138.6 81.3 14.13 I

I I Figure 3.30 Reduced Input Data For ILRT Time of Average VC Dry Air VC Air Ambient Barometric ILRT VC Temp Pressure Mass Temperature Pressure I Minutes 'F psia lbm 'F psia 857 79.36 46.935 202112.7 80.8 14.13 872 79.45 46.947 202130.3 80.8 14.13 887 79.48 46.954 202149.0 79.8 14.10 I 902 79.56 46.953 202116.3 77.2 14.13 917 79.48 46.955 202154.4 76.6 14.12 932 79.51 46.951 202125.0 76.9 14.13 I 947 79.47 46.943 202106.8 76.4 14.13 962 79.41 46.938 202108.0 77.1 14.13 977 79.40 46.933 202089.9 77.1 14.13 992 79.38 46.926 202066.2 76.2 14.12 I 1007 79.31 46.920 202066.0 74.7 14.10 1022 79.31 46.911 202028.3 76.2 14.10 1037 79.26 46.909 202040.4 75.9 14.10 I 1052 79.16 46.909 202075.0 79.1 14.10 1067 79.26 46.909 202039.6 79.4 14.10 1082 79.36 46.919 202044.7 78.1 14.10 I 1097 79.37 46.919 202042.0 76.7 14.11 1112 79.26 46.921 202088.7 76.0 14.10 1127 79.31 46.910 202023.3 74.5 14.10 1142 79.23 46.899 202005.6 74.9 14.12 I 1157 79.19 46.897 202013.4 74.0 14.10 1172 79.12 46.892 202018.8 74.0 14.10 1187 79.15 46.880 201953.6 74.0 14.10 I 1202 79.03 46.869 201952.5 73.3 14.13 1217 78.84 46.861 201989.0 72.6 14.13 1232 78.74 46.848 201970,0 72.1 14.13 I 1247 78.66 46.830 201923.4 70.6 14.13 1262 78.51 46.813 201907.4 70.3 14.13 1277 78.27 46.799 201935.2 68.6 14.13 1292 78.18 46.783 201900.6 67.2 14.12 I 1307 77.83 46.762 201941.7 65.9 14.11 1322 77.69 46.751 201946.9 65.2 14.13 1337 77.48 46.734 201951.7 64.5 14.13 I 1352 77.27 46.719 201967.3 64.0 14.13 1367 77.11 46.705 201964.5 63.7 -14.13 1382 76.92 46.698 202005.2 63.8 14.13 I 1397 76.84 46.688 201993.1 62.3 14.13 1412 76.61 46.676 202026.5 62.5 14.13 1427 76.58 46.667 202002.2 63.0 14.13 1442 76.46 46.660 202014.4 63.3 14.13 I 1457 76.40 46.653 202008.6 63.2 14.15 1672 76.29 46.647 202022.9 63.2 14.13 1487 76.16 46.640 202041.7 63.8 14.13 I 1502 76.10 46.636 202048.6 63.5 14.13 1517 76.03 46.628 202038.8 63.2 14.13 1532 76.00 46.620 202017.4 62.8 14.13 1547 75.85 46.615 202051.1 63.0 14.13 I 1562 75.72 46.604 202052.4 62.5 14.15 1577 75.62 46.591 202034.0 62.1 14.15 I

I I Ficure 3.3C Reduced Input Data For ILRT Time of Average VC Dry Air VC Air Ambient Barometric ILRT VC Temp Pressure Mass "emperature Pressure I Minutes 'F psia Ibn 'F psia 1592 75.41 46.578 202054.9 61.8 14.13 1607 75.34 46.563 202015.8 60.4 14.15 1622 75.19 46.552 202027.2 59.6 14.14 I 1637 74.96 46.540 202062.1 58.9 14.15 1652 74.91 46.524 202009.3 58.4 14.14 1667 74.77 46.511 202006.7 57.7 14.14 I I I I I I I I I .I I I I I

ll I I Figure 3.3C (Con't) Reduced Input Data For ILRT Time of Equipment Top of VC Charging Bio-Shield Bio-Shield ILRT Hatch Temp Temp Floor Temp West Temp North Temp I Minutes 'F 'F 'F 'F 'F 0 74.55 79.54 79.29 81.28 80.84 15 74.55 79.54 78.95 81.12 80.51 I 30 74.22 78.08 78.79 81.12 80.17 45 74.05 78.88 78.62 80.45 80.34 60 73.09 79.04 78.79 80.28 80.01 75 73.09 78.54 78.62 80.62 80.01 I 90 73.72 78.54 78.45 80.28 80.01 225 72.89 77.55 76.96 79.45 78.34 240 72.72 77.38 76.79 79.45 78.84 I 255 72.72 77.21 76.79 79.45 78.34 270 72.39 77.38 76.79 78.95 70.67 285 72.56 77.21 76.79 79.29 70.67 300 72.56 77.21 76.46 79.12 70.67 I 315 72.56 77.38 '6.29 79.29 78.34 330 72.56 77.21 76.46 79.12 78.34 345 72.23 77.21 /6.63 79.12 78.67 I 360 72.56 77.23 16.46 79.12 78.34 375 72.23 77.21 76.29 78.95 78.51 390 72.23 77.21 76.29 79.12 78.51 I 405 72.06 77.05 76.46 78.79 78.34 420 72.23 76.88 76.29 78.95 78.34 435 72.23 77.21 76.13 78.95 78.17 450 72.06 ,7,05 76.13 78.79 78.34 I 465 72.06 77.05 76.29 78.95 77.67 480 71.89 77.05 76.13 78.95 77.84 495 71.73 77.05 76.13 78.79 78.01 I 510 71.73 77.05 76.29 78.79 78.17 525 71.73 77.05 76.13 78.79 78.51 540 71.89 77.05 76.46 78.95 78.34 - I 555 72.06 77.55 76.29 78.95 78.34 570 72.06 77.71 76.79 78.95 78.34 585 72.23 70.05 76.79 79.45 '79.01 600 72.23 78.30 76.96 79.62 79.01 I 615 72.39 78.88 77.62 79.62 79.51 630 72.39 79.04 77.62 79.95 79.67 645 72.39 79.54 78.12 80.45 80.17 I 660 72.89 79.88 78.12 80.62 80.17 675 73.06 80.71 78.45 80.78 80.51 690 73.22 81.04 78.62 80.78 80.67 705 73.39 81.70 78.95 81.12 80.84 I 720 73.56 82.04 79.12 81.28 81.01 735 73.89 82.37 79.29 81.45 81.17 .g 750 73.89 82.87 79.79 81.78 81.34 g. 765 74.22 83.70 79.95 81.61 81.67 780 74.39 84.03 79.62 82.11 81.67 795 74.55 84.20 80.12 82.28 82.01 I B10 74.72 83.70 80.45 82.28 82.01 825 74.72 83.70 80.45 82.45 82.51 840 75.22 84.03 80.28 82.45 82.17 I

I I Figure 3.30 (Con't) Reduced Input Data For ILRT Time of Equipment Top of VC Charging Bio-Shield Bio-Shield I LRT Hatch Temp Temp Floor Temp West Temp North Temp I Minutes 'F 'F 'F 'F 'F 857 75.05 85.03 80.78 82.28 82.34 872 75.05 85.03 81.12 82.78 82.34 j 887 75.55 84.37 80.78 82.78 82.34 s 902 75.55 83.70 80.95 82.78 82.67 917 75.72 82.37 81.28 82.78 82.67 g 932 75.55 82.37 80.95 82.78 82.51 g 947 75.55 82.20 80.95 82.28 82.51 962 75.55 81.70 81.45 82.45 82.51 977 75.55 81.87 81.45 82.28 82.34 I 992 75.55 81.87 80.95 82.28 82.17 1007 75.05 81.70 81.28 81.28 82.17 1022 75.05 81.70 81.28 82.11 82.17 1037 75.05 81.54 81.12 82.28 81.67 I 1052 75.22 81.54 80.95 82.11 81.67 1067 75.05 81.70 80.95 82.11 82.01 1082 75.05 81.70 81.28 82.28 82.01 I-1097 75.05 81.70 81.28 81.28 82.01 1112 75.05 81.70 80.95 82.28 81.67 1127 75.05 81.54 81.45 82.28 81.67 i I 1142 75.05 81,54 81.45 82.28 81.51 1157 75.05 81.04 81.12 81.95 81.51 1172 75.05 81.21 80.95 82.11 81.51 1187 75.05 81.21 81.12 82.11 81.51 I 1202 75.05 80.37 80.95 81.61 81.34 1217 75.05 80.71 80.28 81.61 81.01 1232 74.89 80.37 80.28 81.61 81.01 I 1247 74.89 80.04 80.28 81.61 80.34 1262 74.72 79.88 80.12 80.95 80.67 l 1277' 74.72 79.71 80.28 81.28 80.34 1292 74.72 79.54 79.79 81.12 80.34 'I 1307 74.55 79.04 79.62 80.78 79.67 1322 74.39 78.68 79.45 80.28 80.01 1337 74.39 78.88 78.95 80.28 79.67 t 1352 74.22 70.38 78.79 80.28 79.51 1367 74.22 78.38 78.29 79.62 79.34 1382 73.72 78.38 78.45 79.62 79.34 I 1397 74.22 78.38 78.45 79.62 79.01 1412 73.72 78.21 77.62 79.62 79.17 1427 73.89 78.21 77.62 79.95 79.17 1642 73.89 78.05 77.79 79.79 78.84 I_ 1457 73.72 70.05 77.79 79.62 79.17 1672 73.72 78.21 77.79 79.62 79.01 1487 73.56 77.71 77.62 79.62 78.34 I 1502 73.56 78.05 77.79 79.45 78.84 1517 73.56 77.71 77.46 79.45 78.84 1532 73.06 77.71 77.46 79.45 78.67 I 1547 73.06 77.71 77.46 79.45 78.34 1562 73.06 77.71 77.46 79.29 78.34 1577 73.06 77.05 77.12 79.12 78.17

I Figure 3.30 (Con't) Reduced Input Data For ILRT Time of Equipment Top of VC Charging Bio-Shield Bio-Shield ILRT Hatch Temp Temp Floor Temp West Temp North Temp i Minutes 'F 'F 'F 'F 'F 1592 73.06 77.21 76.96 78.95 78.34 1607 73.06 77.05 76.79 78.95 78.17 1622 73.06 76.88 76'.29 78.62 78.01 I 1637 72.89 76.55 76.46 78.79 77.67 1652 72.72 76.38 76.46 78.62 77.67 1667 72.72 75.72 76.13 78.29 77.51 I I lI I I I g I I 'I 'I I ,I I

I I Figure 3.3C (Con't) Reduced Input Data For ILRT Time of Bio-Shield Bio-Shield Broadway Broadway Broadway ILRT South Temp East Temp NW Temp North Temp SW Temp I Minutes 'F 'F 'F 'F 'F 0 79.90 80.73 75.17 76.15 75.63 15 79.57 80.40 74.84 75.98 75.47 30 79.07 80.07 74.51 75.48 74.80 I 45 '9.40 79.74 74.01 74.82 74.30 60 70.40 79.57 73.67 74.98 74.30 75 79.74 79.40 73.84 74.65 74.13 I 90 79.57 79.40 73.51 74.49 73.97 225 78.24 78.24 71.67 72.66 72.47 240 78.07 78.24 71.67 72.83 72.13 I 255 78.40 78.24 71.51 72.66 71.97 270 77.91 78.24 71.51 72.66 72.13 285 78.07 78.24 71.51 72.49 72.13 300 78.07 78.24 71.51 72.66 71.97 I 315 -78.07 78.24 71.01 72.33 71.97 330 78.40 78.24 71.01-72.49 71.80 rlI 345 78.40 78.07 71.34 72.33 71.97 360 78.07 78.24 71.01 72.16 71.97 375 77.91 78.40 71.17 72.16 71.80 390 78.07 77.91 71.01 72.00 71.63 I 405 77.91 70.07 71.17 72.16 71.63 420 77.57 78.07 71.01 72.16 71.63 435 77.57 77.57 71.01 72.00 71.63

g 450 77.57 78.07 71.01 72.00 71.63

'g 465 78.07 77.57 70.84 72.00 71.63 480 '77.91 77.57 71.01 72.00 71.63 495 77.57 77.57 71.01 72.00 71.63 510 77.57 77.57 71.01 72.00 71.63 525 77.57 77.91 71.01 72.16 71.63 540 78.07 77.57 71.01 72.16 71.80 'g $55 77.57 78.24 71.01 72.16 72.13 I g 570 78.24 78.07 71.51 72.66 72.30 585 78.74 78.24 71.84 72.83 72.30 I 600 78.74 78.74 72.17 73.16 72.80 l 615 79.40 78.90 72.51 73.49 72.97 630 79.40 79.24 72.67 73.49 73.47 645 75.57 79.74 73.01 74.15 73.80 I_ 660 79.57 79.90 73.01 74.49 74.30 675 80.23 80.07 73.67 74.82 74.80 690 80.23 80.23 73.67 75.15 74.97 705 80.73 80.23 74.51 75.48 74.97 I 720 80.90 80.57 74.34 75.81 75.63 735 81.07 80.90 75.01 76.31 75.63 750 81.23 81.07 75.01 76.48 76.13

I-765 81.40 81.23 75.67 76.64 76.63 780 81.56 81.40 75.84 76.01 76.80 795 81.73 81.56 76.17 77.31 77.13 I

810 81.56 81.73 76.51 77.47 76.97 825 82.06 81.56 76.51 77.80 77.80 840 82.06 81.90 76.84 77.80 77.80 I

ll I Figure 3.30 (Con't) Reduced Input Data For ILRT Time of Bio-Shield Bio-Shield Broadway Broadway Broadway ILRT South Temp East Temp NW Temp North Temp SW Temp I Minutes 'F 'F 'F 'F 'F 857 82.23 82.06 77.01 78.14 77.97 872 82.23 82.06 77.34 78.30 77.97 807 82.23 82.23 77.01 78.47 78.13 I 902 82.40 82.23 77.51 78.47 78.30 917 82.40 82.40 77.51 78.63 78.47 932 82.23 82.23 77.67 78.63 78.47 I 947 82.23 81.56 77.67 78.63 78.47 962 82.23 81.73 77.67 70.63 78.47 977 82.06 81.56 77.51 70.63 78.47 I 992 81.56 81.73 77.67 70.63 78.47 1007 81.56 81.56 77.67 78.63 78.30 1022 81.90 81.40 77.67 78.63 78.30 1037 81.40 81.56 77.67 78.47 78.30 I 1052 81.56 81.40 77.51 78.14 78.30 1 i 1067 81.73 81.40 77.67 78.63 78.30 l 1082 81.90 81.40 77.84 78.80 78.47 I 1097 81.56 81.56 77.84 78.80 78.30 1112 81.56 81.40 77.67 78.80 78.30 1127 81.23 81.23 77.84 78.63 78.30 I 1142 81.40 81.40 77.67 78.80 78.47 1157 80.90 81.23 77.51 78.63 78.13 1172 81.07 80.90 77.60 70.63 78.30 ! g 1187 80.90 80.90 77.67 78.47 78.13 1 E 1202 80.90 81.07 77.51 78.63 78.13 1217 80.90 80.90 77.51 78.14 77.63 1232 80.73 80.73 77.34 78.14 77.63 I 1247 80.23 80.73 77.17 78.14 77.63 1262 80.40 80.23 76,84 77.97 77.30 1277 79.74 80.23 76.34 77.47 76.97 1292 79.57 80.07 76.34 77.31 76.97 I 1307 79.57 79.57 76.17 76.81 76.47 1322 78.90 79.57 75.67 76.81 76.30 1337 79.40 79.40 75.01 76.48 75.63 I 1352 78.74, 78.90 75.17 76.15 75.80 1367 78.90 79.24 74.04 75.81 75.47 i 1302 78.57 78.90 74.34 75.48 75.13 1397 78.57 78.90 74.34 75.48 74.97 1412 78.24 78.74 74.34 74.82 74.00 1427 78.74 78.57 74.17 74.98 74.63 1642 78.57 78.57 73.67 74.82 74.30 I 1457 78.57-78.57 73.84 74.65 74.13 1472 78.57 78.24 73.51 74.15 74.13 1487 78.40 78.24 73.51 74.32 73.97 l ) 1502 78.57 78.57 73.34 74.32 73.80 l 1517 78.57 78.57 73.01 74.32 73.63 1532 78.40 78.24 73.01 74.32 73.63 1547 78.40 78.24 73.01 73.49 73.47 I 1562 77.91 78.24 73.01 73.49 72.97 1577 77.74 78.40 72.67 73.49 73.30 lI

't i LI Figure 3.3C (Con't) Reduced Input Data For ILRT { Time of Bio-Shield Bio-Shield Broadway Broadway Broadway ILRT South Temp East Temp NW Temp North Temp SW Temp I Minutes 'F 'F 'F 'F 'F 1592 77.74 77.57 72.34 73.32 72.97 1607 77.41 77.57 72.34 72.83 73.13 >E 1622 77.41 77.74 72.17 72.99 72.63 3 1637 76.91 77.41 71.67 72.83 72.47 1652 77.24 77.41 71.84 72.66 72.30 l 1667 76.91 77.41 71.51 72.49 72.47 iI I I I I I I I I I Lg I I

i l ll f 1 Figure 3.3C (Con't) Reduced Input Data For ILRT Time of Broadway Loop #1 Loop #2 Loop #3 Loop #4 ILRT South Temp Temp Temp Temp Temp Minutes 'F 'F 'F 'F 'F I 0 75.08 83.38 82.58 82.08 81.75 15 - 74.58 83.38 82.58 82.08 81.58 30 74.25 83.04 82.08 81.75 81.42 I 45 73.75 82.54 82.08 81.58 81.25 j 60 73.92 82.87 82.08 81.58 81.25 75 73.75 82.87 81.92 81.58 81.25 I 90 73.58 82.87 81.75 81.42 81.08 i 225 71.58 81.87 80.92 80.75 80.25 ( 240 71.58 81.87 81.08 80.25 80.25 I 255 71.58 81.87 80.92 80.42 80.25 I'- 270 71.58 82.04 80.92 80.25 80.08 285 71.58 81.87 80.92 80.42 80.08 300 71.42 81.8/ 00.75 80.42 80.08 L 315 71.42 81.87 80.58 80.25 79.92 330 71.42 82.04 80.75 80.25 79.92 345 71.42-81.71 80.75 80.25 79.92 'g: 360 71.42 81.71 80.75 80.25 79.92 5 375 71.42 81.71 80.25 80.42 79.90 390 71.42 81.71 80.58 79.58 79.75 405: 70.92 81.54 80.25 80.25 79.58 I 420 71.58 81.20 80.42 80.08 79.58 435 71.42 81.20 80.42 80.08 79.58 450 70.92 81.54 80.42 79.58 79.58 I 465 71.42 81.71 80.42 79.58 79.58 480 70.92 81.71 80.25-80.08 79.75 4 495 71.42 81.71 80.'25 79.92 79.75 510 71.58 81.54 80.25 79.92 79.58 I 525 71.58 81.20 80.42 79.58 79.75 540 71.75 81.54 80.25 79.58 79.58 555 71.58 81.20 80.25-79.58 79.75 570 72.25 81'.71 80.42 80.08 79.58 ~ 585 72.58 81.71 80.42-80.08 79.58 600 72.92 81.87 80.25 80.25 79.58 I 615 73.42 81.87 ~80.75 80.25 79.58 630 73.75 81.87 80.92 80.25 79.58. 645 74.08 81.87 80.92 80.58 80.08 660 74.58 - 82.37 80.92 80.75 80.25-I 675 74.75' 82.37 81.25 80.92 80.25 690 74.92-82.37 81.42 80.92 u80.25 705 74.92 82.37 81.58 81.25 80.75 I 720 75.42 82.54 81.58 81.42 80.75 735 75.42 82.71 81.58 81.42 80.92 750-75.75 82.71 81.92 81.58 80.92 -) 765 75.75 82.54 82.08 81.58 80.92 I;' 780 75.92 82.54 82.08 81.75 81.25 795 76.42 83.04 82.25 81.92 80.92 810 76.42 83.21 82.25 82.08 81.42 I: '825 76.58 83.21 82.42 82.08 81.42 840 76.75 83.11 82.42 82.08 81.58 = z

I-Figure 3.30 (Con't) Reduced Input Data For ILRT I: [ Time of Broadway Loop #1 Loop #2 Loop 13 Loop #4 L ILRT South Temp Temp Temp Temp Temp Minutes 'F

• F

'F 'F 'F I-857 76.92 83.54 82.25 82.08 81.58 872 76.92 83.21 82.25 82.25 81.58 887 76.92 83.71 82.75 82.25 81.75 I 902 77.42 83.71 82.75 82.43 81.75 917 77.42 83.71 82.75 82.25 81.75 932 77.58 83.88 82.75 82.25 81.92 [ -m 947 77.58 83.88 82.75 82.42 81.58 g-962 77.42 83.71 82.75 82.25 82.08 977 77.42 83.71 82.75 82.25 81.92 -E 992 77.58 83.71 82.75 82.25 81.92 W 1007 77.58 83.71 82.75 82.25 81.58 1022 77.58 83.71 82.75 82.25 81.58 L g 1037 77.58 83.88 82.75-82.42 81.58 J g 1052 77.58 83.21 82.75 82.25 81.58 1067' 77.58 83.54 82.75 82.25 81.58 1082 77.75 83.71 82.58 82.25 81.58 I 1097 77.75 83.71 82.75 82.25 81.92 1112 77.58 83.71 82.58 82.25 81.58 1127 77.75 83.71 82.75 62.25 81.58 1142 77.58 83.21 82.25 82.25 81.58 8 1157 77.75 83.71 82.58 82.08 81.92 1172 77.58 83.21 82.25 82.08 81.58 ~ g 1187 77.42 83.38 82.58 82.25 81.58 g 1202 77.58 83.38 82.25 82.25 81.58 1217 76.92 83.21 82.25 82.08 81.58 1232 76.92 83.21 82.25 82.08 81.58 1247 76.92 83.21 82.08-82.08 81.42 1262 76.75 83.04 82.25 81.92 81.42 1277 76.25 83.21 82.08 81.58 81.42 1292 76.25 83.04 81.92 81.58 81.42 - I 1307 75.92 82.54 81.58 81.58 80.92 1322 75.58 82.71 81.58 81.42

80.92 1337 75.42 82.54 81.58 81.25 81.08-I 1352 74.92 82.54-81.42 81.25 80.92 1367 74.58 82.37 81.42 80.92 80.92 1382' 74.25 82.37 81.42 80.92 80.75 1397 74.25 82.37 80.92 80.92 80.75 I_

1412 74.25 81.87 80.92 80.92 80.25 1427 73.92 81.87 80.92 80.92 80.58 1442 73.92 81.87 81.25 80.75 80.25 8 1457 73.58 81.87 80.92 80.75 80.25 1472 73.42 82.04 80.92 80'.75 80.25 1487 73.42 82.04 80 75 80.58 80.25 1 1502 72.92 81.87 80.92 80.25 80.25 1517 73.25 81.87 80.92 80.58 80.42 1532 73.25 81.87 80.75 80.25 80.25 1547 72.92 81.71 80.75 80.25 80.25 .I 1562 72.92 81.71 80.75 80.42 80.08 1577 72.75 81.20 83.58 80.25 80.42 - I

I Figure 3.30 (Con't) Reduced Input Data For ILRT Time of Broadway Loop #1 Loop #2 Loop #3 Loop #4 ILRT South Temp Temp Temp Temp Temp Minutes 'F F 'F 'F 'F I 1592 72.25 81.20 80.25 80.08 80.08 1607 72.42 81.20 80.25 80.08 79.92 1622 72.08 81.54 80.42 80.08 79.58 B 1637 71.58 81.54 80.25 79.58 79.75 1652-71.75 81.20 80.08 79.92 79.75 1667 71.75 81.20 80.08 79.92 79.58 I I I I I I: lI I I I I-I I

L I g Figure 3.3C (Con't) Reduced Input Data For ILRT Time of Pressuriser Below Bdwy Below Bdwy Brass Drain Brass Drain ILRT Temp West Temp East Temp North Temp South Temp Minutes 'F 'F 'F 'F F I 0 82.75 72'.43 71.50 77.17 77.00 15 82.75 72.43 71.50 77.00 77.00 30 82.25 72.09 71.16 77.00 76.67 8-45 81.92 71.58 70.83 76.67 76.33 60 82.25 71.41 70.83 76.84 76.50 75 81.92 71.24 70.66 76.84 76.50 I 90 81.92 71.07 70.50 76.67 76.17 225 81.08 69.05 69.17 76.00 75.50 240 81.08 69.05 68.84 75.83 75.50 255 80.92 69.05 68.84 75.83 75.33 8 270 80.75 69.05 68.84 75.50 75.33 285 81.08 68.88 68.84 75.83 75.33 300 80.75 68.88 68.67 75.80 74.83 I-315 80.58 68.88 68.50 75.50 74.83 330 80.75 68.71 68.50 75.50 74.83 345 80.75 68.71 68.17 75.50 75.17 360 80.58 68.37 68.50 75.50 74.83 375 80.25 68.71 68.17 75.33 74.83 390 80.58 68.54 68.34 75.67 74.83 405 80.25 68.54 68.17 75.33 75.00 5 420 80.25 68.37 68.17 75.50 74.83. 435 80.25 68.37 68.17 75.33 74.83 450 80.25 68.37 68.17 74.83 74.66 8 465 80.25 68.20 68.17 75.33 74.83 480 80.25 68.37 67.84 75.33 74.66 495 80.25 68.37 68.17 75.33 74.66 510 80.25 68.37 68.17 74.83 74.66 5 525 80.25 68.37 68.17 74.83 74.66 540 80.25 68.54 68.17 75.33 74.66 555 80.25 68.54 68.17 74.83 74.66 .I: 570 80.25 68.37 68.67 75.33 74.66 -585 80.75 69.05 68.84 75.50 74.83 600 80.75 69.05 69.17 75.33 74.83 I-615 80.92 69.55 69.33 75.33-75.17 630 80.92 69.89 69.50 75.50 74.83 645-81.25 70.23 70.00 75.33 .75.33 660-81.42 70.40 70.17 75.67 75.50 5 675 81.58 71.07 70.83' 75.50 75.50 690 81.58 71.75 71.16-75.50 75.50 705 81.92 72.26 71.50 75.50 75.50 I 720 82.08 72.43 72.00 75.50 75.50 735 82.08 73.10 72.16 75.50 76.00 750 82.25 73.44 72.49 76.00 76.00 8 765 82.42 73.78 72.99 76.17 76.17 780 82.58 74.28 72.83 76.00 76.17 795 82.75 74.45 72.83 76.17 76.17 810 82.92 74.45 73.66 76.17 76.17 I 825 83.08 74.96 73.66 76.33 76.33 840 82.75 75.30 73.49 76.33 76.50 ll

l I Figure 3.3C (Con't) Reduced Input Data For ILRT Time of Pressurizer Below Edwy Below Bdwy Brass Drain Brass Drain ILRT Temp West Temp East Temp North Temp South Temp Minutes 'F 'F 'F 'F 'F i 857 82.92 75.63 74.16 76.17 76.67 872 83.08 75.97 74.16 76.50 76.67 887 83.25 75.80 74.49 76.33 76.67 I 902 83.42 75.80 74.49 76.50 76.67 917 83.25 75.97 74.16 76.67 76.84 932 83.42 75.80 74.49 76.67 76.67 8 947 83.42 75.80 74.49 76.67 76.84 962 83.42 75.63 74.16 76.67 76.67 977 83.42 75.63 74.32 76.67 76.67 992 83.42 75.63 74.16 76.67 76.67 I 1007 83.42 75.46 74.32 76.67 76.67 1022 82.92 75.46 74.16 76.67 76.67 a-1037 82.92 75.13 74.16 76.50 76.67 g-1052 82.92 75.30 73.99 76.67 76.67 1067 83.08 75.13 74.16 76.67 76.67 1082 82.92 75.46 74.16 76.67 76.84 -1097 82.92 75.63 74.16 76.67 76.84 1112 82.92 75.13 74.16 76.67 76.84 1127 82.92 75.46 74.16 76.67 76.84 1142 82.92 75.13 74.16 76.84 76.84 I 1157 82.92 75.13 74.32 76.67 76.84 1172 82.75 75.13 74.16 76.67 76.84 1187 82.75 75.46 74.16 76.67 76.84 5 1202 82.58 75.13 74.16 76.67 76.67 1217 82.25 75.13 73.99 76.17 76.84 1232 82.25 74.96 73.49 76.67 76.67 .1247 82.42 74.96 73.49 76.50 76.67 8 1262 82.25 74.45 73.66 76.67 76.67 1277 81.58 74.45 73.49 76.17 76.17 1292-81.58 74.28 73.33 76.17 76.67 8 1307 81.58-73.95 72.83 76.17 76.50 1322 81.58 73.78 72.83 76.17 76.17 1337 81.42 73.61 72.66 76.17 76.17 1352 81.58 73.10 72.16 76.17 76.17 1367 81 25 73.10 72.33 76.33 76.17 1302 81.25 72.93 72.00 76.33 76.17 -1397 81.08 72.43 72.00 76.33 76.17 I 1412 80.92 72.59 71.50 76.17 76.00 1427 81.08 72.26

71. 5(-

76.17 75.50' 1442 81.08 72.09 71.50 76.17 76.00 B 1457 81.08 71.92 71.6i. 76.17 '75.83 1472 80.75 71.92 71.30 76.17 75.50 1487 80.75 71.75 70.83 76.33 75.83 1502 80.75 71.58 70.83 76.00 75.50 5 1517 80.75 71.07 70.83 76.00 75.50 1532 80.75 71.41 70.83 76.00 75.50 1547 80.75 71.24 70.66 76.00 75.67 8 1562 80.42 70.91 70.17 76.00 75.50 1577 80.42 70.91 70.50 75.50 75.50

I I Figure 3.3C (Con't) Reduced Input Data For ILRT . Time of Pressuri::er Below Bdwy Below Bdwy Brass Drain Brass Drain ILRT Temp West Temp East Temp North Temp South Temp I Minutes 'F

• F

'F 'F 'F 1592 80.25 70.74 70.17 75.83 75.50 1607 60.25 70.57 70.17 75.83 75.33 I 1622 79.58 70.23 70.00 75.50 75.50 1637 79.92 70.06 69.50 75.50 75.33 1652 79.58 69.72 69.67 75.50 75.33 1667 79.58 69.72 69.50 75.50 74.83 I I I I I I I I IL I I I I

ll ll Figure 3.3C (Con't) Reduced Input Data For ILRT Time of Dew Point Dew Point Dew Point Dew Point ILRT Cavity 20 Cavity 21 Cavity 22 Cavity 23 Minutes 'F 'F 'F 'F I 0 125.46 126.65 126.65 126.65 15 124.60 126.31 -126.14 126.65 30 125.46 126.48 126.48 126.31 5 45 125.46 126.14 126.65 125.97 60 124.09 125.97 125.97 126.82 75 124.95 125.97 126.65 126.65 I: 90 124.77 125.80 126.31 126.48 225 124.77 125.46 125.97 125.46 240 125.63 124.77 125.46 125.97 -g 255 123.24 124.77 125.46 126.14 3 270 123.24 125.12 125.97 126.14 285 123.75 125.29 125.97 125.80 300 122.72 125.29 125.63 126.14 I 315 123.92 -124.95 125.29 125.80 330 123.58 124.77 125.63 125.80 345 123.92 124.95 125.80 124.77 5 360 123.41 125.63 125.46 125.12 375 123.41 124.77 125.46 125.46 390 123.58-124.95 126.31 125.63 405 123,75 125.12 125.29 125.46 8 420 123.41 125.12 125.46 125.00 435 123.41 124.95 125.46 124.77 450 124.09 124.95 125.80 125.46 5 465 123.41 124.77 124.77 124.77 480 123.92 125.12 125.46 125.29 495 124.77 124.77 125.46 125.46 E 510 123.24 124.77 125.29 125.12 5 525 122.72 124.77 124.60 125.63 540 123.41 124.77' 125.29 125.46 555 123.41 124.77 125.63 126.14 I 570 124.09 124.77 125.46 125.80 585 123.07 124.77 125.46' 125.29 600 122.72 125.12 124.77 125.46 615 123.92 124.77 -125.29 125.46 630 123.41 124.77 125.46 125.46 645 124.77 124.77 125.46 125.46 660 123.92 125.12 125.46 125.46 8 675 125.97 125.46 125.63 126.14 690 124.77 125.46 125.97 125.46 705 125.29 125.46 125.97 125.63 I 720-125.80 125.29 125.46 125.80 735 125.63 125.46 125.63 125.46 750 126.65 125.46 126.14 125.46 I_ 765 126.65 125.46 125.63 125.46 780 125.46 125.63 125.46 125.63 795 125.46 125.63 125.63 125.80 810 126.48 125.63 126.31 125.80 8 825 126.82 125.29 125.63 126.14 840 126.65 125.80 125.97 125.80 ll

8 I Figure 3.30 (Con't) Reduced Input Data For ILRT Time of Dew Point Dew Point Dew Point Dew Point ILRT Cavity 20 Cavity 21 Cavity 22 Cavity 23 I Minutes F

• F
• F
• F 857 126.65 125.46 125.80 125.46 872 126.65 125.63 125.46 125.97 887 126.65 125.46 125.46 125.46 8

902 127.51 125.46 125.63 125.46 917 124.09 125.97 126.14 125.97 932 124.60 126.63 125.46 125.46 8 947 125.46 125.97 125.97 125.46 962 124.60 125.63 125.46 125.46 977 125.29 125.46 125.80 125.46 I-992 124.60 125.46 125.80 125.46 1007 124.77 125.80 125.80 125.46 1022 125.29 125.97 125.97 125.97 1037 124.09 125.46 125.97 125.97 8 1052 124.60 125.46 125.46 125.46 1067 125.97 125.97 126.14 126.14 1082 125.12 125.46 126.14 125.46 E-1097 124.77 125.46 125.46 126.14 1112 123.41 125.46 125.97 125.46 1127 124.09 125.97 125.63 125.46 8 1142 125.12 125.63 125.46 126.31 1157 124.09 125.63 125.46 125.80 1172-123.41 125.46 125.80 125.46 1187 123.75 125.80 126.14 126.14 5 1202 124.77 125.46 126.14 125.97 1217 -123.41 125.63 125.80 126.14 1232 124.60 125.46 125.46 125.46 8 1247 124.77 125.00 125 29 125.29 1262 124.60 125.46 125.63 125.80 1277 124.60 125.46 126.14 125.97 1292 124.43 125.29 125.63 125.80 I 1307 124.77 125.46 126.48 125.97 1322 123.92 125.46 126.14 125.46 '1337 123.41 125.46 126.14 126.14 I 1352 124.43 125.12 125.46 125.46 1367 124.26' 125.46 125.97 125.97 1382 123.75 125.46 125.97 125.80 8 1397' 123.41 125.12 125.97 125.29 1412 123.24 124.77 125.63 126.14 1427 123.58 124.77 125.97 125.46 1442 124.09 125.29 125.63 125.80 I 1457 124.60 125.46 125.97 125.80 1472 123.41 125.63 125.97 125.63 1487 124.26 125.29 125.80 126.14 5 1502 123.92 125.29 125.80 124.77 1517 124.77 125.46 125.80 125.97 1 ~,3 2 124.09 125.63 125.46 126.31 _8 1547 123,75 124.77 126.14 125.97 1562 123.07 125.29 125.29 126.65 1577 124.09 125.63 125.46 125.29 I

. I

I Figure 3.3C (Con't)

Reduced Input Data For ILRT Time of Dew Point Dew Point Dew Point Dew Point ILRT Cavity 20 Cavity 21 Cavity 22 Cavity 23 I Minutes 'F 'F 'F 'F 1592 123.92 125.29 125.63 126.14 1607 124.26 125.29 125.63 125.97 1622 123.41 125.29 124.95 125.97 8 1637 122.04 125.12 125.46 125.97 1652 123.07 125.12 125.97 125.63 [: 1667 123.24 125.29 125.46 125.80 I E I I I I g I I I I g

ll ll Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass 'g Minutes lbm g 0 202147.7 3 202151.4 6 202148.6 5 9 202118.9 + 12 202124.8 p 15 202135.0 L 18 202134.8 21 202161.2 24 202133.6 g 27 202174.4 _g 30 202192.1 33 202209.3 ( 36 202228.7 39 202252.3 42 202243.6 45 202267.8 48 202258.0 51 202218.7 54 202203.0 57 202208.9 - I 60 202191.6 63 202187.7 66 .202175.8 I 69 202179.6 72 202160.6 75 202158.9 8 78 202189.1 81 202179.9 F 84 202174.4 87 202170.1 8 90 202171.6 93 202192.0 96 202172.6 .I 99 202203.3 102 202189.2 105 202214.5 8-108 202195.5 111 202207.9 '114 202187.4 213 202235.6 =I 216 202237.7 219 202236.0 222 202232.8 5 225 202226.8 228 202241.9 231 202229.4 3 234 202229.4 g 237 202216.4 240 202226.1 243 202212.1 246 202247.2 s

I I Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass I Minutes lbm 249 202245.5 252 202240.6 255 202240.1 1 258 202207.6 261 202229.7 264 202221.6 267 202225.9 270 202213.5 273 202204.8 276 202235.1 5 279 202208.0 282 202191.2 285 202199.3 8 288 202225.3 291 202233.9 294 202205.2 5 297 202229.6 300 202212.8 303 202253.3 306 202231.1 I 309 202226.8 312 202222.5 315 202237.0 I 318 202193.7 321 202197.5 324 202217.6 5 327 202195.8 330 202219.7 333 202222.9 336 202193.2 5 339 202203.4 342 202206.1 345 202211.0 5 348 202191.5 351 202220.6 354 202231.4 5 357 202201.2 360 202215.7 363 202203~8

n 366 202231.4

~g 369 202200 372 202212.9 375 202217.8 I 378 202219 381 202208.6 384 202231.3 387 202211.8 5. 390 202209.6 393 202237.2 396 202203.7 399 202215

I I Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass I Minutes 1bm 402 202209.0 405 202214.9 408 202170.1 I 411 202194.9 414 202193.7 417 202201.9 i 420 202201.3 423 202186.2 426 202211.6 I 429 202204.0 432 202219.1 435 202200.2 438 202231.0 3 441 202187.7 444 202167.7 447 202207.8 I 450 202205'.0 453 202225.6 456 202202.9 459 202198.0 I 462 202217.4 465 202211.0 468 202201.7 5 471 202213.7 474 202208'.8 477 202229.9 I 480-202205.5 483 202202.3 486 202197.4' I'- 489 202236.9 492 202206.1 495 202182.3 498 202207.2 I 501 202190.9 504 202211.0 507 202210.4 I-510 202199.1 513 202214.2 516 202202.9 -519 202198.5 I 522 202219.7 525 202220.8 528 202201.9 .I 531 202194.9 534 202206.8 537 202219.3 540 202220.4 I-543 202252.3 546 T.02265.9 549 202227.5 -1 552 202230.3

I I Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass Minutes lbm I 555 202261.2 SSB 202214.2 561 202246.1 1 564 202204.0 567 202234.4 570 202220.9 I 573 202233.9 576 202249.2 579 202231.4 582 202242.3 8 585 202228.9 588 202269.5 591 202247.9 3 594 202231.2 597 202205.3 600 202240.0 8 603 202202.3-606 202244.0 609 202226.2 612 202226.3 I 615 202213.4 618 202217.8 621 202205.5 5 624 202240.1 627 202245.0 630-202256.5-I 633 202231.7 636 202258.9 639 202225.4 642 202217.5 I 645 202220.2 648 202223.0-651 202221.5 5 654. 202223.7 657 202230'.B 660-202238.0 663 202213.2 I 666 202202.6 669 202207.5 672 202210.3 I ~675 202176.9 678 202219.6 681 202218.7 I 684 202197.2 687 202203.2 690 202222.1 693 202191.0 1 696 202204.5 699 202192.3 702 202195.1 705 202201.0

I Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass Minutes lbm i 708 202185.0 711 202182.9 714 202193.8 1 717 202169.1 720 202205.8 723 202191.8 I 726 202186.5 729 202198.0 732 202204.0 735 202198.1 I 738 202188.5 741 202191.3 744 202217.2 I 747 202215.6 750 202194.7 753 202171.2 5 756 202208.4 759 202186.9 762 202188.6 -3: 765 202179.6 -g 768 202154.9 ~ 771 202172.7 774 202165.8 8 777 202183.0 780 202192.2 783 202144.0 786 202158.0 I 789 202174.1 792 202163.4 795 202157.6 I 798 202155.5 801 202125.5 804 202145.9 I 807 202132.0 810 202151.9 813 202125.6 l 816 202153.6 819 202158.4 3 822 202163.9 825 202119.4 I 828 202160.7 831 202160.2 834 202158.2 ll 837 202167.3 L 5 840 202137.3 843 202109.5 846 202117.6

• I 849 202123.6 852 202098.4 857 202113.0 860 202130.2

I I Figure 3.3D 3 Minute Air Mass Data For ILRT Time'of-VC Air ILRT Mass I Minutes lbm 863 202134.6 866 202125.0 1 869 202121.8 872 202130.9 875 202116.5 l - 878 202136.4 881 202159.4 884 202138.6 887 202149.8 I' 890 202138,0 893 202146.1 j 896 202138,0 Eg 899 202146.1 j g 902 202115.5 905 202120.4 908 202149.8 l 911 202156.2 914 202138.6 917 202154.1 ,I 920 202160.0 923 202136.9 '926 202159.~4 929 202144.4 'I 932 202125.7 935 202115.4 l,I 938 202123.4 941 202104.1 944 202122.3 947 202106.2 'g 950 202112.6 Eg 953 202096.5 956 202119.0 959 202098.6 962 -202107.2 965 202071.2 968 202081.9 ,I 971 202085.7 974 202101.2 977 202089.4 980 202092.0 I 983 202075.9 986 202101.1 989 202081.8 I 992 202066.8 995 202078.0 998 202069.4 ,g 1001 202085.9 ,g 1004 202090.8 1007 202059.7 1010 202062.9 I 1013 202077.3

I Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass Minutes lbm I-1016 202054.2 1019 202045.6 1022 202028.4 1 1025 202074.5 1028 202050.9 1031 202023.0 5 1034 202042.3 1037 202038.5 1040 202036.9 1043 202049.2 I 1046 202041.2 1049 202037.4 1052 202076.0 8-1055 202041.2 1058 202026.7 1061 202042.3 1064 202057.8 l' 1067 202038.5 1070 202044.0 1073 202067.6 I 1076 202059.5 1079 202051.1 1082 202044.1 5-1085 202043.6 1088 202036.6 1091 202040.9 1094 202064.0 8 1097 202032.9 1100 202040.4 1103 202066.6 8 1106 202045.2 1109 202046.2 1112 202073.0 5 1115 202022.0 1118 202064.4 1121 202012.9 1124 202029.0 I 1127 202024.1 1130 202025.6 1133 202009.5 8 1136 202026.2 1139 202012.7 1142 202006.7 8 1145 202014.2 1148 202012.7 1151 201990.6 1154 202006.2 I 1157 202013.1 1160 202000.2 1163 201995.9 1166 201995.9

I Figure 3.3D 3 Minute Air Miss Data For ILRT Time of. VC Air ILRT Mass I Minutes 1bm 169 201979.2 1172 202017.8 1175 201991.9 8 1178 201960.8 1181 201965.1 1184 201987.6 I 1187 201954.9 1190 201950.0 1193 201950.0 1196 201954.1 I-1199 201969.1 1202 201952.4 1205 201978.7 8 1208 201945.9 1211 201949.1 1214 201979.1 I 1217 201989.2 1220 201941.4 1223 201936.5 1226 201964.3 8 1229 201963.7 1232 201970.7 1235 201945.4 5 1238 201939.9 1241 201922.1 1244 201931.7 1247 201923.1 8 1250 201925.7 1253 201911.1 1256 201906.2 8 1259 201912.0 1262 201906.0 1265 201905.5 ll 1268 201915.6 B. 1271 201913.9 1274 201934.2 1277 201935.7 5 1280 201930.8 1283 201923.7 1286 201923.1 8 1289 201941.4 1292 201900.4 1295 201910.0 1 1298 201934.1 1301 201934.4 1304 201931.6 1307 201941.2 8 1310 201943.9 1313 201941.6 1316 201945.9 1319 201941.0

I I Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass a Minutes lbm 1322 201946.3 1325 201940.3 1328 201965.5 8 1331 201940.7 1334 201945.4 1337 201951.8 I 1340 201973.2 1343 201937.7 1346 201962.9 -3 1349 201972.5 g 1352 201965.9 1355 201944.3 1358 201962.6 5 1361 201946.4 1364 201957.1 1367 201965.6 I 1370 201953.7 1373 201948.9 1376 202002.1 1379 201993.5 I 1382 202006.8 1385 201983.1 1388 201977.7 I 1391 201995.1 1394 201995.9 1397 201993.7 I 1400 201958.1 1403 201962.8 1406 201981.7 1409 201998.8 8 1412 202028.4 1415 202011.1 1418 201979.2 1421 202032.5 1424 202016.9 1427 202000.7 1430 202021.6 I 1633 202041.0 1436 202007.5 1639 202025.8 8 1442 202015.6 1445 202022.0 1448 202012.2 8 1451 202011.1 1454 202031.7 1457 202007.9 1460 202016.0 I 1463 202045.0 1466 202024.0 1469 202024.0 1472 202023.4

- II Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass i Minutes lbm 1475 202030.4 1478 202022.3 1481 202035.1 8 1484 202046.4 1487 202042.1 2 1490 202053.4 I 1493 202048.5 1496 202039.8 1499 202053.8 1502 202047.4 8 1505 202031.7 1508 202034.4 1511 202057.0 I 1514 202062.9 1517 202039.1 1520 202041.2 l 1523 202038.5 5, 1526 202048.7 1529 202052.0 1532 202015.8 8 1535 202027.1 1538 202017.3 1541 202037.8 8 1544 202061.6 1547 202050.7 1550 202050.7 3 1553 202032.2 9 1556 202016.6 1559 202041.3 4 1562 202052.0 1565 202070.9 7 1568 202036.8 1571 202055.1 8-1574 202024.3 1577 202033.4 1580 202060.8 's 1583 202038.7 .g 1586 202019.7 1589 202040.2 1592 202056.3 I 1595 202036.3 1598 202005.9 1601 202028.6 1. 1604 202031.2 1607 202017.7 1610 202055.4 3 1613 202030.0 g 1616 202057.0 l 1619 201997.5 1622 202026.6 1625 202009.2

i-I i-Figure 3.3D 3 Minute Air Mass Data For ILRT Time of VC Air ILRT Mass I Minutes lbm 1628 202020.5 1631 202044.7 1634 202004.7 I 1637 202061.4 1640 201985.1 1643 201987.7 I 1646 202041.8 1649 202015.2 1652 202010.8 1655 202009.1 I 1658 202019.9 1661 202022.5 1664 201980.2 I 1667 202007.3 1670 201997.5 I I a il

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I Figure 3.3P Reduced Input Data For Verification Test Time of Average VC Dry Air VC Air Ambient Barometric Verification VC Temp Pressure Mass Temperature Pressure Minutes 'F psia lbm 'F psia I 0 74.70 46.504 202002.0 57.9 14.14 15 74.60 46.490 201980.4 57.4 14.14 30 74.44 46.481 202001.2 57.0 14.13 I 45 74.31 46.468 201994.7 56.5 14.13 60 74.14 46.462 202031.2 55.7 14.15 75 73.93 46.459 202098.9 56.2 14.14 90 73.85 46.456 202114.8 56.2 14.14 I 105 73.78 46.450 202118.4 55.9 14.15 120 73.70 46.447 202132.9 55.9 14.14 135 73.58 46.447 202100.1 55.7 14.15 I 150 73.50 46.440 202179.1 55.9 14.15 165 73.42 46.442 202216.3 56.4 14.13 180 73.34 46.441 202245.1 57.6 14.15 I I I I I I I-1 I I I l

I I Figure 3.3P Reduced Input Data For Verification Test i Time of Equipment Top of VC Charging Bio-Shield Bio-Shield Vorification Hatch Temp Temp Floor Temp West Temp North Temp ,3 Minutes 'F 'F 'F 'F

• F l 3 0

72.56 76.38 75.96 78.12 77.51 15 72.39 76.22 75.96 78.29 77.34 30 72.39 76.05 75.79 78.12 77.34 I 45 72.23 75.88 75.79 77.62 77.17 60 72.23 75.72 75.46 77.79 77.17 75 72.06 75.55 75.46 77.79 77.01 90 71.73 75.55 75.29 77.62 76.84 l 105 71.73 75.55 75.13 77.62 76.84 l I 120 71.73 75.55 74.96 77.62 76.84 135 71.73 75.55 74.96 77.46 76.84 I 150 71.89 75.05 74.80 77.29 76.67 165 11.73 75.08 74.80 77.46 76.51 180 71.56 75.05 74.08 77.46 76.34 j I 1I l ,I I 4 I j I I l LI 1 l LI I I

I I Figure 3.3P Reduced Input Data For Verification Test Time of Bio-Shield Bio-Shield Broadway Broadway Broadway Vorification South Temp East Temp !N Temp North Temp SW Temp Minutes 'F 'F 'F 'F 'F I 0 76.91 76.91 71.51 72.33 71.97 15 77.07 77.24 71.34 72.33 71.80 30 77.07 76.91 71.17 71.83 71.63 I 45 76.58 76.91 71.17 71.83 71.47 60 76.74 77.07 70.04 71.50 71.13 75 76.24 76.58 70.34 71.33 70.97 I 90 76.58 76.74 70.34 70.04 70.97 105 76.24 76.24 70.34 71.00 70.00 120 75.91 76.24 70.17 70.84 70.63 135 76.41 76.74 70.01 70.67 70.30 I 150 76.08 76.08 69.67 70.67 70.47 165 76.41 76.24 69.84 70.50 70.47 180 76.08 76.24 69.57 70.50 70.30 I I I I I I I LI

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I ' I I Time of Broadway Loop #1 Loop 92 Loop 63 Loop 44 Verification South Temp Temp Temp Temp Temp Minutes 'F 'F 'F 'F 'F I 0 71.42 81.20 80.08 79.75 79.58 15 71.25 81.20 79.92 79.75 79.58 30 71.08 81.20 79.58 79.58 79.42 I 45 71.08 81.04 79.58 79.58 78.92 60 70.25 81.37 79.75 79.42 79.25 75 70.25 80.87 79.58 79.42 78.92 90 70.42 80.54 79.58 79.25 78.92 I. 105 70.25 80.87 79.75 78.92 78.92 120 70.08 80.70 79.42 78.92 78.92 135 69.92 80.70. 78.92 79.08 78.75 I 150 69.58 80.70 79.25 78.92 79.08 165 69.75 80.54 78.92 79.08 78.75 100 69.92 80.54 78.92 78.92 78.75 I I I I I I I I I I

I I Figure 3.3P Reduced Input Data For Verification Test .I Time of Pressurizer Below Bdwy Below Bdwy Brass Drain Brass Drain Vsrification Temp West Temp East Temp North Temp South Temp Minutes 'F 'F 'F 'F 'F I 0 79.92 69.72 69.33 75.50 74.83 15 79.58 69.39 69.17 75.50 74.83 30 79.58 69.22 69.17 75.67 75.00 I 45 79.42 69.05 69.00 75.17 75.00 60 79.08 69.05 68.67 75.17 74.66 75 78.92 68.71 68.67 74.83 74.16 I 90 79.25 68.54 68.50 75.00 74.50 105 78.92 68.20 68.34 75.00 74.33 120 79.08 68.54 68.34 74.83 74.16 135 78.92 68.20 68.17 74.03 76.16 I 150 78.92 68.03 68.34 75.00 74.16 165 78.92 67.87 67.84 74.66 74.16 180 78.75 67.70 67.84 75.00 74.16 I I I E I I LI l'I I I I

I I Figure 3.3P Reduced Input Data For Verification Test Time of Dew Point Dew Point Dew Point Lew Point Vorification Cavity 20 Cavity 21 Cavity 22 Cavity 23 Minutes 'F 'F 'F 'F I 0 122.72 124.95 125.97 126.65 15 123.24 125.46 125.97 126.14 30 123.07 124.77 125.29 125.63 I 45 123.58 124.77 125.29 126.14 60 122.21 124.95 126.31 125.46 75 122.04 124.95 125.97 125.29 I 90 122.38 124.43 125.29 125.63 105 122.90 125.12 125.46 125.46 120 123.58 125.29 125.63 125.46 135 121.02 125.29 125.46 125.46 I 4 150 123.24 124.95 125.63 125.29 1F3 123.41 124.95 125.46 124.95 180 123.75 124.77 124.77 124.77 I I I I I I I l I I I I

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k jI i LLI L Figure 3.3R l~ Verification Test Data Adjusted For Leak Rate Time of VC Air VC Air Mass Verification Mass Adj for Leak Minutes 1bm lbm I 1 202037.7 202037.9 4 202046.8 202047.5 j 7 202037.5 202038.8 I 10 202018.6 202020.4 13 202032.6 202035.0 16 202031.5 202034.4 I 19 2020S3.6 202057.1 l 22 202080.7 202084.7 25 202070.4 202074.9 28 202099.1 202104.2 I 31 202101.9 202107.5 34 202096.8 202103.0 37 202088.1 202094.8 I 40 202099.5 202106.8 43 202116.3 202124.1 46 202111.4 202119.8 49 202093.4 202102.3 I 52 202123.7 202133.2 55 202109.1 202119.1 58 202116.7 202127.3 I 61 202128.1 202139.2 64 202119.9 202131.5 67 202124.9 202137.1 I 70 202150.3 202163.0 73 202134.0 202147.3 76 202155.6 202169.4 79 202194.6 202209.0 I 82 202150.7 202165.6 85 202164.3 202179.8 88 202179.5 202195.5 I-91 202170.2 202186.8 94 202162.0 202179.1 97 202181.6 202199.3 100 202223.3 202241.5 5 '03 202179.3 202198.0 106 202193.9 202213.2 109 202232.4 202252.2 I 112 202229.7 202250.1 115-202204.7 202225.6 118 202209.7 202231.2 I 121 202224.3 202246.3 124 202217.8 202240.4 127 202201.0 202224.1 130 202232.4 202256.1 I 133 202233.0 202257.2 136 202220.5 202245.3 139 202231.9 202257.2 142 202228.6 202254.4 145 202240.0 202266.4

I

I Figure 3.3R Verification Test Data Adjusted For Leak Rate Time of VC Air VC Air Mass Verification Mass Ad3 for Leak Minutes 1bm Ibm I 148 202244.9 202271.8 151 202248.2 202275.7 154 202263.3 202291.3 I 157 202258.4 202287.0 160 202267.1 202296.2 163 202262.2 202291.9 I 166 202275.3 202305.5 169 202272.5 202303.3 172 202287.2 202318.5 175 202287.8 202319.6 I 178 202295.9 202328.3 181 202305.2 202338.1 184 202321.0 202?54.5 I 187 202316.6 202350.6 190 202315.0 202349.6 193 202308.0 202343.1 196 202309.1 202344.8 I 199 202359.6 202395.8 202 202336.4 202373.2 205 202351.0 202388.3 I 208 202352.7 202390.6 211 202334.3 202372.7 214 202351.1 202390.0 I 217 202349.6 202389.1 220 202392.4 202432.4 223 202365.9 202406.5 226 202363.2 202404.3 I 229 202364.9' 202406.6 232 202381.7 202423.9 235 202417.5 202460.3 I 238 202396.4 202439.7 241 202411.6 202455.5 I I I ' I I

m W W W M' W W W W W W W W W M W M M M i.35 Corrected VC Air Mass During Verification Test 20ee00 202000 r f XX X .s 20e400 y As I sA l V i s' , "( i .o s' ~ )k l .W 4 sv Y v/ $< s 2 X 3 j s < 202200 X f j u y y,^ T X s v s y s' l o / g 202100 s l s. O s O i s 202000 N' ( N ( X s l f 201900 i i 4 4 h I I I I I 201800 i [ -50 0 SO 100 190 205 250 See Time of Verification Test, minutes i. L I i 1 r l-I

SECTION 4 LOCAL LEAKAGE RATE TESTS (TYPES B AND C) 4.1 Tvoe B & C Test Results.1A summarizes the results of the Local Leak Rate Tests (LLRT's) which have been performed since the May 1987 Type A test and not previously re orted to the commission. These LLRT's were performed in accordance wit Reference 3. The majority of these tests were performed during the Core 19/20 and Core 20/21 Refueling Outages to fulfill the requirements of Yankee Rowe Technical Specification (YRTS) I 4.6.1.2 for periodic Type B and C testing. The VC personnel Hatch and the hatch equalizing valve (CA V 755) were Type B tested in accordance with the requirements of YRTS 4.6.1.3 every six months. The Low l Pressure Vent Header, the VC Demineralized Water, and the VC Air Purge I inlet and Outlet blank flanges which had to be removed and reinstalled were Type B tested during the forced outage of August 19B9. I I I I I I I I I I I 4.1 1 I

4.2 Summarv Analysis of local Leak Rate Tests the overall containment leak rate less than or equal to L I Maintaining / day guarantees that the total containment leakaoe will nol I or 0.20 wt% exceed the value assumed in the Yankee Rowe accident analysis at the peak accident pressure. This assures the public health and safety is adequately protected in the event of a design basis accident. YRTS 3.5.1.2.b limits the cumulative Type B and C leak rate to less than or I I equal to 0.60 L, or 0.12 wt%/ day. This added margin of conservatism is included to account for possible degradation of the containment barriers between leakage tests which are normally performed during ref ueling outages. If the cumulative Type B and C leak rate exceeds the 0.12 I wt%/ day limit then the Action Statement of YRTS 3.6.1.2 requires the leak rate to be restored to less than or equal to 0.12 wtt/ day prior to increasing Main Coolant System temperature above 200'F. ,.2A lists the 'As Found' and 'As left' test results for the i Core 19/20 and Core 20/21 Refueling Outages for all containment barriers required to be included in the cumulative leak rate. The differences between the 'As Found' and 'As Left' data reflect any repairs, removals I and rein;tallations, adjustments, and/or retests of the barriers that occurred during these two outages. The 'As Found* cumulative Type B and C leak rate for the Core 19/20 I Refueling Outage was 0.1762 wtt/ day. This leakage rate exceeded the 0.60 L limit for cumulative Type B and C leakage. As soon as it was determined that the leak rate had exceeded the 0.12 wt%/ day limit immediate corrective actions were taken to restore the leak rate below I this limit. After the needed repairs were completed the 'As Left' cumulative leak rate for the Core 19/20 Refueling Outage was determined to be 0.0848 wt%/ day. This is well below the 0.60 L, limit. I Reference 6 was issued on February 9, 1989 to report that the 'As Found* cumulative leakage rate had exceeded the YRTS 3.6.1.2.b limit. The ' specifics of this event and the associated corrective actions are delineated on Attachment 4.2B which is a copy of Reference 6. Refer to I Reference 7 for more details regarding this event. Both the 'As Found' and the 'As lef t* Cumulative leak rates for the Core 20/21 Refueling Outage were well below the 0.12 wt%/ day limit. I as can be seen on Attachment 4.1A, the Type B tests Additionally,ing the forced outage of August 1989 did not result in any performed dur additions to the cumulative leak rate during Core 20 operations. I I I .I I I 4.2-1 I I

1.1A RESULTS OF LOCAL LEAK RATE TESTS PERFORMED $1NCE PREVIOUS TYPE A TEST I OP 4702 Cavity fill Line Att. A (CS V 601) Test Date Leak Rate (wtt/ day) 01/03/89 0 08/06/90 0.0019 YC H drogen Vent / Service Air System OP 4702 (HVbOV39,CAV688,CAV1275, Att. B Part A CA V 1276, CA V 834. HV-V 5, HV V 6, HV V 34) Test Date Leak Rate (wtt/ day) 01/07/89 0.0110 01/08/89 0.0091 I 09/21/90 0.0113 OP 4702 VC Hydrogen Vent / Service Air System Att. B (HV 50V 42) I Part B Leak Rate (wtt/dev) Test Dah'ik' 12!',0 / 0.0001 I 07/31/90 0 OP 4702 VC SW Return Att. C (SW TV 406) Test Date leak Rate (wit / day) 01/03/89 0 I 01/07/89 0.0002 06/24/90 0 OP 4702 Fuel Chute Blank Flange 8 Att. O Test )a t e Leak Rate (wtt/ day) 12/3)/88 0 I 09/20/90 0.0001 OP 4702 Fuel Chute Pumpback Blank Flange Att. E I Test Date leak Rate (wtt/ day) 12/29/88 0 08/10/90 0 OP 4702 Main Coolant Sample Att. F (SA TV-206) .I Test Date leak Rtte (wtt/ day) 11/21/88 0.0001 06/24/90 0.0001 07/26/90 0.0001 I I I

2.1A RESULTS OF LOCAL LEAK RATE TESTS PERFORMED $1NCE PREVIOUS TYPE A TEST I OP 4702 Neutron Shield Tank Sample Att. G (SA TV 207) Test Date Leak Rate (wt1/ day) 11/21/88 0.0001 06/24/90 0.0001 OP 4702 Valve Stem Leak Off Att. 1 (VD TV 204 & VD SV 223) ~ E Test Date Leak Rate (wtt/ day) g 11/22/88 0.0001 07/06/90 0.0002 oji.4702 Main Coolant Vent I Att. J (VD TV 203) Test Date leak Rate (wtt/dev) 11/25/88 0.0001 I 07/07/90 0.0001 OP 4702 VC Heating Steam Return Att. K (HC TV 409) I-Test Date Leak Rate (wtt/dev) ~12/3)/88 0.0252 01/08/89 0.0009 I 07/03/90 0.0031 08/07/90 0.0015 OP 4702 VC Air Particulate Tap I Att. L (VD*V 1108) Part A Test Date leak Rate (wt%/ day) I 11/2)/88 0 07/03/90 0.0001 OP 4702 VD Air Particulate Tap I Att. L (VD V 1107) Part B Test late leak Rate (wt%/dev) I 11/2)/88 0 07/03/90 0.0001 OP 4702 Main Coolant Drains I Att. H (VD TV 202) Test Date leak Rate (wtt/ day) 01/03/89 0.0004 I 06/28/90 0.0003 OP 4702 Component Cooling Return Att. 0 (CC TV 205) I Test Datt Leak Rate (wt%/ day) 11/27/88 0.0001 07/03/90 0.0003 g-9 I

3-.1A RESULTS OF LOCAL LEAK RATE TESTS PERFORME0 SINCE PREVIOUS TYPE A TEST I OP 4702 VC Drain Att. 0 (VD TV 209 & CC SV 227) Test Date Leak Date (wtt/ day) I 11/22/88 0.002 l 06/28/90 0 Emerb5f, Core Cooling fstemRecir. OP 4702 (PU-SI MOV 516. MOV 517) Att. R Test Date Leak Rate wtt/dev) I 01/07/89 0.0014 i 01/07/89 0.0004 l 08/08/90 0.0001 OP 4702 Electrical Penetrations Att. S Test Date leak Rate (wit / day) I 11/26/88 0.0524 12/21/88 0.0524 01/04/89 0.0524 07/01/90 0.0456 I 07/05/90 0.0422 1 08/05/90 0.0373 08/09/90 0.0358 09/18/90 0.0350 I 09/24/90 0.0350 OP 4702 8' Air B pass l-Att. V (HC V 60 ) t ' Test Date Leak Rate (wt1/ day) 11/23/88 0.0001 07/07/90 0.0005 OP 4702 VC Personnel Hatch and CA V 755 Att. W Test Dete Leak Rate (wt%/ day) 11/12/87 0.002 11/13/87 0 04/17/88 0 I-06/02/88 0.0039 11/10/88 0 01/09/89 0.0025 07/08/89 0.0059 I 08/24/89 0.011 08/24/89 0 10/10/89 0 03/29/90 0.0031 1 06/22/90 0.0015 09/17/90 0.0017 cI I I

8 4-Attachinent 4.1 A RESULTS OF LOCAL LEAK RATE TESTS PERFORMED SINCE PREVIOUS TYPE A TEST OP 4702 Demin. Water Blank Flange Att. 2 Test Date Leak Rate (wt%/ day) 01/09/89 0 08/23/89 0 09/22/90 0.0002 OP 4702 Low Pressure Vent Header Blank Flange Att. AA Test Date Leak Rate (wt%/ day) 01/07/89 0.0001 08/24/89 0 08/27/89 0 , I 06/23/90 0 06/26/90 0 09/23/90 0 OP 4702 Neutron Shield Tank Tell Tales Att. CC (V0 V 754) Test Date Leak Rate (wt%/dev) I 7 1/22/88 0.0001 01/03/89 0 07/07/90 0 I OP 4702 VC Air Charge Att. OD (CA V 746, CA V 1277) Test Date Leak Rate (wt%/ day) i 11/21/88 0.0001 07/05/90 0.0001 OP 4702 Component Cooling Supply I Att. FF (CC TV 208) Test Date Leak Rate (wt%/dev) 11/27/88 0.0001 I 07/03/90 0.0003 ~ 0P 4702 VC Heating Steam Supply Att, GG (HC TV 413) I Test )Dte ttak Rate (wt1/ day) 12/3)/8B 0.0035 07/03/90 0.0052 I 08/05/90 0.0001 08/10/90 0.0703 08/22/90 0.0059 I OP 4702 VC Service Water Supply Att. HH (SW TV-412) Test Date Leak Rate (wtt/ day) I 01/03/89 0.0369 01/04/89 0.0116 06/24/90 0 I

6.1A RESULTS OF LOCAL LEAK RATE TESTS PERFORMED SINCE PREVIOUS TYPE A TEST I OP 4702 VC Air Purge Inlet (Blank Flange) 4 Att. 11 Part A Test Date Leak Rate (wtt/ day) I 01/06/89 0 08/23/89 0 08/26/89 0 06/23/90 0.0001 06/26/90 0 1 09/22/90 0.0001 OP 4702 VC Air Purge Outlet (Blank Flange) I Att. Il Part B Test ) ate Leak Rate (wtt/ day) 01/03/89 0 I 08/23/89 0 08/26/89 0 06/23/90 0.0001 06/26/90 0 I 09/22/90 0.0001 I VCSafet{4) Valve Discharge Header OP 4702 (PR TV'2 Att. JJ Test Date Leak Rate (wtt/ day) 11/23/88 0.0001 08/06/90 0.0001 1 OP 4702 Low Pressure Surge Tank Safety Valve Att. KK Discharge Header and VD V-917 Test Date Leak Rate (wtt/ day) 12/27/8B 0 07/27/90 0 OP 4702 Main Coolant Bleed Line Att. LL (CH LCV 222) Test Date Leak Rate (wtt/ day) I 12/05/88 0 06/25/90 0 OP 4702 VC Breathing Air I Att. MM (BA V 63) Part A Test Date Leak Rate (wtt/ day) I 12/29/88 0.0001 08/02/90 0.0002 I I lI

l 6.1A RESULTS OF LOCAL LEAK RATE TESTS PERFORMED $1NCE PREVIOUS TYPE A TEST OP 4702 VC Breathing Air Att. MM (BA-V 61) Part B Test Date leak Rate (wt1/ day) 12/29/88 0 08/02/90 0.0002 OP 4702 Water Clean Up l' Att. NN (VD V 1171) Part A Test Date Leak Rate (wt%/ day) 12/24/88 0.0001 08/02/90 0 o OP 4702 Water Clean Up Att. NN (WC V 621) Part B Test Date igjk Rate (wt1/dev) 12/24/88 0.0001 08/02/90 0 l' OP 4702 Water Clean Up Att. NN (VD V 1170) i Part C Test Date leak Rate (Wt1/dev) 12/24/88 0.0001 08/02/90 0.0001 OP 4702 Water Clean Up Att. NN (WC V-622) Part 0 Test Date Leak Rate (wt1/ day], 12/24/88 0.041 12/30/88 0.0003 08/02/90 0.0003 iI u l I I I lI

^ i 1* Attachmwnt 4.2A "AS FOUND" AND "AS LEFT" LLRT DATA FOR CORE 19/20 AND CORE 20/21 REFVELING OUTAGES j m Core 19/20 Leak Rate Core 20/21 Leak Rate l OP 4702 Test Boundary Description (wtt/ day) (wit / day) I As Found As left As Found As Left i A Cavity Fill Line (CS V 601) 0.0 0.0 0.0019 0.0019 B, Part A VC Hydrogen Vent (8 Valves) 0.0110 0.0091 0.0113 0.0113 B. Part B VC Hydrogen Vent (HV 50V 42) 0.0001 0.0001 0.0 0.0 C VC Service Water Return (TV 408) 0.0 0.0002 0.0 0.0 D Fuel Chute Blank Flange 0.0001 0.0 0.0001 0.0001 E fuel Chute Pumpback Blank Flange 0.0 0.0 0.0 0.0 l F Hain Coolant Sample (TV 206) _0.0001 0.0001 0.0001 0.0001 G Neutron Shield Tk Sample (TV 207) 0.0001 0.0001 0.0001 0.0001 I 1 VS Leak Off (TV 204 & SV 223) 0.0001 0.0001 0.0002 0.0002 J Hain Coolant Vent (TV 203) 0.0001

0. 000j.

0.0001 0.0001 K VC Htg Stm Return (TV 409) 0.0252 0.0009 0.0031 0.0015 L. Part A Air Part. Tap (VD V 1108) 0.0 0_. 0 0.0001 0.0001 l L. Part B Air Part. Tap (VD V 1107) 0.0 0.0 0.0001 0.0001 M Main Coolant Drains (TV 202) 0.0004 0.0004 0.0003 0.0003 0 Component Cool. Return (TV 205) 0.0001 0.0001 0.0003 0.0003 O VC Drain (VD TV 209 & CC SV 227) 0.002 0.002 0.0 0.0 R ECCS Recire (651, 516 & 517) 0.0014 0.0004 0.0001 0.0001 j I i S Electrical Penetrations 0.0531 0.0524 0.0451 0.035 V 8' Air Bypass (HC V 602) 0.0001 0.0001 0.0005 0.0005 W VC Personnel Hatch & CA V 755 0.0 0.0025 0.0015 0.0017 2 Demin Water Blank Flange 0.0 0.0 0.0002 0.0002 AA LP Vent Hdr Blank Flange 0.0001 0.0001 0.0 0.0 l CC NST Tell Tales (VD V 754) 0.0001 0.0 0.0 0.0 DD VC Air Charge (746 & 1277) 0.0001 0.0001 0.0001 0.0001 FF Component Cool. Supply (TV-208) 0.0001 0.0001 0.0003 0.0003 l GG VC Htg Stm Supply (TV 413) 0.0035 0.0035 0.0052 0.0059 HH VC Service Water Supply (TV 412) 0.0369 0.0116 0.0 0.0

11. Part A 30' Blank Flange (Inlet) 0.0 0.0 0.0001 0.0001 j

lg E

11. Part B 30' Blank Flange (Outlet) 0.0 0.0 0.0001 0.0001 lI JJ VC SV Disch Hdr (TV-214) 0.0001 0.0001 0.0001 0.0001 I

2-.2A " AS FOUND" AND " AS LEFT" LLRT DAT A FOR CORE 19/20 AND CORE 20/21 REFUELING OUTAGES I Core 19/20 Leak Rate Core 20/21 Leak Rate OP 4702 Test Boundary Description (wtt/ day) (wtt/ day) As Found As left As Found As left KK LPST SV Disch Hdr (W/ 917) 0.0 0.0 0.0 0.0 LL MC Bleed Line (CH LCV 222) 0.0 0.0 0.0 0.0 MM, Part A VC Breathing Air (BA V 63) 0.0001 0.0001 0.0002 0.0002 MM, Part B VC Breathing Air (BA V 61) 0.0 0.0 0.0002 0.0002 NN, Part A Water Clean Up (VD V 1171) 0.0001 0.0001 0.0 0.0 NN. Part B Water Clean Up (WC V 621) 0.0001 0.0001 0.0 0.0 I NN, Part C Water Clean Up (VD V 1170) 0.0001 0.0001 0.0001 0.0001 NN, Part 0 Water Clean Up (WC V 622) 0.041 0.0003 0.0003 0.0003 I Totals 0.1762 0.0848 0.0718 0.0610 I I I I I I I I I I I

_ _ _ _.2B LICENSEE EVENT REPORT 89-001 g .,a........... c p LICENSit IVENT REPORT ILER) TEXT CONTINUATION waovas..e.e.e sie e.= e...n I ..s n u n. see.n an e a e. l t AIntt NUCLC AR POWER $1 Af10N =.re. m; Rowe, MA. 01M7 e is le 1010101219 819 01011 Ol0 S 12 0' aIt i .iri. .w w.e a m.. n On Ja iuery 3,1999, et 1700 hours, while in Mope S. coneutting Contaireeat Type 3 L C surveillance testing, in ettercence with plant procesure OP4702, I the combined leakage rate for all penettstions oublett to Type B & C testing esteeped the Technitel Specification 3.6.1.E.b Ilett. At the time of this stocovery the total leek rete mes 0.1492 wit /24 hours. The Technical Speelfitetton llelt is 0.12 wit /24 hours. The primary tentributors to the I combites leakage rate esteesing the T.S.11elt were til the Centeifeent Service Water supply life toelation valve, SW-TV 412, and til the Containment Heating Steen return line isoletten valve. MC-TV409 Previous Instantes of esteecing Technical Specif ttetten Type 8 6 C etteptance criterle have been reportee in I LER 94-06. 94 10 and 07 11. Corrective action taken to reeute the estessive leakage to uithin etteptable limits consisted of removing and disastee.bling SW-TV418. A new elst was instellec ens the seat ring was loppec. The valve i.es reessembled I using row stues, nots one geslet and the valve was then rotesten. The Type C ' retest incitated en etteptable leprovement in the volve leakage from 0.0369 to 0.0116 wit /te hours. The rekt cause of the estessive valve leakage het been attributes to wearing of the valve Witt ena seat. Also, HCaTV409 was removec I and sisesse bles. Foreign asterial mes removed from the section of the valve bocy that accomeccates the stem follower. The disc seating surfste mes methinee and looped. The valve becy test eies also loppeg. The valve mes reassembles and then retested. The Type C retest indicated a significent I improvement in the valve leekage from 0.0tSt to 0.0009 wit /24 hours. The root cause of the entessive valve leekage has been attributed to the bulleuc of a bleth gritty septsit from the heating stese in the section of the valve bocy that ettonnodates the stem follower. Thus the follower could not be fully estences into the valve bocy eshich prevented the 51st free properly seating. I Addittsnellys the plant esill evaluate replacing SW*TV412 end the 60=nstream test boungary locletion valve. SW-V-1060 and MC*TV409 and the utstroen test boungery isolation valve. MC-V-861 with valves osnith are better sesigned to uncergo att leakage testing. The reduction in leakege rates associated with the repair of SW TV412 and HC.TV4 0e recutes the everall Type B L C leakage rate to within the ellowable I Technical Specif ttation limit prior to entering Mose 4.The overall leek rete is nom 0.0068 wit /f4 hours. The assieve Type B & C leakage rete of 0.14et att/t4 hours enes within the Technical Specification limit for containment integrity 10.20 wit /t4 hou s). I r which ensures that site bouncery Weses would be within 10 CFR 100 lloits. Therefore, the health and safety of the public were not effected as a result of this event. I I Pare 2 of 2 i I}}