Text

Replacement Steam Generator Program LOCA Mass & Energy and Containment Integrity Analyses
	ML061630045
Person / Time
Site:	Watts Bar
Issue date:	05/31/2006
From:	Kolano J, Catherine Thompson; Westinghouse
To:	; Office of Nuclear Reactor Regulation
References
	TAC MC9270
	Download: ML061630045 (175)
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WESTINGHOUSE NON-PROPRIETARY CLASS 3 1I WESTINGHOUSE NON-PROPRIETARY CLASS 3 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Watts Bar Unit 1 Replacement Steam Generartor Program LOCA Mass & Energy and Containment Integrity Analyses May 2006 Author J.A. Kolano Reviewed by: C.M.Thompson Approved by: S. 1.Dederer, Manager Containment and Radiological Analysis Electronically approved records are authenticated in the Electronic Document Management System Westinghouse Electric Company LLC Nuclear Services 4350 Northern Pike Monroeville, PA 15146 t2006 Westinghouse Electric Company LLC All Rights Reserved LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3I I 1 LONG-TERM LOCA MASS AND ENERGY RELEASES

1.1 INTRODUCTION

A containment integrity analysis was performed to support the Replacement Steam Generator (RSG)

Program for Watts Bar Unit 1.

A containment integrity analysis is performed during nuclear plant design to ensure that the pressure inside containment will remain below the Containment Building design pressure if a LOCA inside containment should occur during plant operation. The analysis ensures that the containment heat removal capability is sufficient to remove the maximum possible discharge of mass and energy to containment from the Nuclear Steam Supply System (NSSS) without exceeding the acceptance criteria (13.5 psig).

In support of the RSG Program, this analysis utilized revised input assumptions while addressing analytical conservatisms, such as auxiliary feedwater and main feedwater modeling, in the present analysis in an attempt to maintain the current ice mass. The analysis was completed to provide the analytical basis for the replacement of the steam generators at Watts Bar Unit 1 and minimize the impact on the initial ice mass, current margins in peak calculated containment pressure, and ice bed melt-out time to containment spray switchover time relative to operator action time tolerance.

The long-term LOCA/containment integrity analysis demonstrates the ability of the containment safeguards systems to mitigate the consequences of a hypothetical large-break LOCA. The containment safeguards systems must be capable of limiting the peak containment pressure to less than the design pressure. To this end, the mass and energy releases are maximized based on high Tavg Reactor Coolant System (RCS) conditions. The analysis uses the bounding composite of RCS conditions that are calculated for the reduced Tavg and RSG Program. This temperature assumes that the plant is not operating at the reduced 2'F Tavg (586.2'F). Therefore, margin exists in this analysis input if the plant operates at a reduced average temperature.

In addition to the design basis, this analysis accounted for the effects of other plant changes of which Westinghouse is aware. These include increased valve stroke time (of +13 seconds) to open the containment spray flow control valves (Reference 1), initial condition uncertainties on RCS temperature of +7'F, and 17xI7 Vantage 5Hybrid (V5H) and Robust Fuel Assembly-2 (RFA-2) fuel upgrade (Reference 2). It should be noted that these items were included for completeness even though they may not be currently implemented at Watts Bar Unit 1.

1.2 PURPOSE OF ANALYSIS The purpose of the analysis was to calculate the long-term LOCA mass and energy releases and the subsequent containment integrity response in order to demonstrate support for the RSG Program. This effort will address current Watts Bar Unit 1 specific plant conditions and revised models as a means of using available analytical margins to support the RSG Program and minimizing the effect on the amount of ice required in the ice condenser. The objective of performing the long-term LOCA mass and energy release and LOCA containment integrity analysis will be to minimize the effect on the initial ice mass, to maintain the current time interval (150 seconds, minimum) relationship between containment spray switchover time and ice bed melt-out time, and to provide peak pressure margin to design pressure.

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WESTINGHOUSE NON-PROPRIETARY CLASS 3 2 A key element in minimizing the impact on initial ice mass was reducing the energy available to containment in the event of a LOCA. Areas such as core stored energy, decay heat, and available steam generator metal heat were investigated and available margins were implemented into the analysis. These margins combined with a better segmental representation of the mass and energy release transient from the computer models resulted in margins that reduced energy input into containment.

The following are the analytical bases and the results, which show that the containment design pressure is not exceeded in the event of a LOCA. The conclusions presented will demonstrate, with respect to a LOCA, that containment integrity has not been compromised. Further, since the LOCA requires the greatest amount of ice compared to other accident scenarios, the initial ice mass based on LOCA results will be acceptable for the other accident scenarios.

Rupture of any of the piping carrying pressurized high temperature reactor coolant, termed a LOCA, will result in release of steam and water into the containment. This will lead to an increase in the containment pressure and temperature. The mass and energy release rates described in this document form the basis of further computations to evaluate the structural integrity of the containment following a postulated accident in order to satisfy the Nuclear Regulatory Commission (NRC) acceptance criterion, General Design Criterion 38. Subsection 1.4 presents the long-term LOCA mass and energy release analysis for containment pressurization evaluations. Section 2 presents the LOCA containment pressure calculations.

1.3 SYSTEM CHARACTERISTICS AND) MODELING ASSUMPTIONS The mass and energy release analysis is sensitive to the assumed characteristics of various plant systems, in addition to other key modeling assumptions. Some of the most critical items are RCS initial conditions, core decay heat, safety injection flow, and metal and steam generator heat release modeling.

Specific assumptions concerning each of these items are discussed below. Tables 1-1 through 1-3 present key data assumed in the analysis. The data provided in References 2 and 3 was used, in part, to develop the plant data presented in Tables I-I through 1-3.

For the long-term mass and energy release calculations, operating temperatures to bound the highest average coolant temperature range were used. The core rated power of 3,459 MWt adjusted for calorimetric error (+0.6 percent of power) was modeled in the analysis. The use of higher temperatures is conservative because the initial fluid energy is based on coolant temperatures, which are at the maximum levels attained in steady-state operation. Additionally, an allowance of +7.0'F is reflected in the vessel/core temperature in order to account for instrument error and deadband. The initial RCS pressure in this analysis is based on a nominal value of 2,250 psia. Also included is an allowance of +70 psi, which accounts for the measurement uncertainty on pressurizer pressure. The selection of 2,320 psia as the limiting pressure is considered to affect the blowdown phase results only, since this represents the initial pressure of the RCS. The RCS rapidly depressurizes from this value until the point at which it equilibrates with containment pressure.

The rate at which the RCS depressurizes is initially more severe at the higher RCS pressure. Additionally, the RCS has a higher fluid density at the higher pressure (assuming a constant temperature) and subsequently has a higher RCS mass available for releases. Therefore, 2,320 psia initial pressure was selected as tbe limiting case for the long-term LOCA mass and energy release calculations. These assumptions conservatively maximize the mass and energy in the RCS.

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WESTINGHOUSE NON-PROPRIETARY CLASS 3 3 The selection of the fuel design features for the long-term LOCA mass and energy calculation is based on the need to conservatively maximize the core stored energy. The fuel conditions were adjusted to provide a bounding analysis for tbe current and the Robust Fuel Assembly-2 (RFA-2) fuel upgrade for Watts Bar Unit 1. The following items serve as the basis to ensure conservatism in the core stored energy calculation:

A conservatively high reload core loading

Time of maximum fuel densification, that is, highest beginning-of-life (BOL) temperatures

Irradiated fuel assemblies assumed to have an average burnup >15,000 MWD/MTU Margin in RCS volume of 3 percent (which is composed of 1.6-percent allowance for thermal expansion and 1.4 percent for uncertainty) is modeled.

Regarding safety injection flow, the mass and energy calculation considered the historically limiting configuration of minimum safety injection flow.

The following summarized assumptions were employed to ensure that the mass and energy releases were conservatively calculated, thereby maximizing energy release to containment:

1. Maximum expected operating temperature of the RCS (100-percent full-power conditions)

2. An allowance in temperature for instrument error and deadband assumed on the vessel/core inlet temperature (+7.0*F)

3. Margin in volume of 3 percent (which is composed of a 1.6-percent allowance for thermal expansion, and a 1.4-percent allowance for uncertainty)

4. Core rated power of 3,459 MWt

5. Allowance for calorimetric error (+0.6 percent of power)

6. Conservative coefficient of heat transfer (that is, steam generator primary/secondary heat transfer and RCS metal heat transfer)

7. Core-stored energy based on the time in life for maximum fuel densification. The assumptions used to calculate the fuel temperatures for the core-stored energy calculation account for appropriate uncertainties associated with the models in the PAD code (such as calibration of the thermal model, pellet densification model, or cladding creep model). In addition, the fuel temperatures for the core-stored energy calculation account for appropriate uncertainties associated with manufacturing tolerances (such as pellet as-built density). The total uncertainty for the fuel temperature calculation is a statistical combination of these effects and is dependent upon fuel type, power level, and burnup.

8. An allowance for RCS initial pressure uncertainty (+70 psi)

9. A maximum containment backpressure equal to design pressure LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 34 4

10. The steam generator metal mass was modeled to include only the portions of the steam generators that are in contact with the fluid on the secondary side. Portions of the steam generators such as the elliptical head, upper shell, and miscellaneous internals have poor heat transfer due to location. The heat stored in these areas available for release to containment will not be able to effectively transfer energy to the RCS. Therefore, the energy will be removed at a much slower rate and time period (>10,000 seconds).

11. A provision for modeling steam flow in the secondary side through the steam generator turbine stop valve was conservatively addressed only at the start of the event. A turbine stop valve isolation time equal to 0.0 seconds was used.

12. As noted in Section 2.4 of Reference 4, the option to provide more specific modeling pertaining to decay heat has been exercised to specifically reflect the Watts Bar Unit 1 core heat generation, while retaining the two sigma uncertainty to assure conservatism.

13. Steam generator tube plugging leveling (0-percent uniform)

a. Maximizes reactor coolant volume and fluid release

b. Maximizes heat transfer area across the steam generators tubes

c. Reduces coolant loop resistance, which reduces the Ap upstream of the break and increases break flow Therefore, based on the previously noted conditions and assumptions, a bounding analysis of Watts Bar Nuclear Plant Unit 1 is made for the release of mass and energy from the RCS in the event of a LOCA to support the RSG Program.

1.4 LONG-TERMI LOCA MASS AND ENERGY RELEASE ANALYSTS 1.4.1 Introduction The evaluation model used for the long-term LOCA mass and energy release calculations is the March 1979 model described in Reference 4. This evaluation model has been reviewed and approved by the NRC (References 4 and 5), and has been used in the analysis of other ice condenser plants.

This report section presents the long-term LOCA mass and energy releases that were generated in support of the Watts Bar Unit 1 RSG Progrum. These mass and energy releases are then subsequently used in the LOTIC-1 computer cede (Reference 6) for containment integrity analysis peak pressure calculations.

1.4.2 LOCA Mass and Energy Release Phases The containment system receives mass and energy releases following a postulated rupture in the RCS.

These releases continue over a time period, which is typically divided into four phases:

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WESTINGHOUSE NON-PROPRIETARY CLASS 35 5

1. Blowdown - the period of time from accident initiation (when the reactor is at steady-state operation) to the time that the RCS and containment reach an equilibrium state at containment design pressure.

2. Refill - the period of time when the reactor vessel lower plenum is being filled by accumulator and Emergency Core Cooling System (ECCS) water. At the end of blowdown, a large amount of water remains in the cold legs, downcomer, and lower plenum. To conservatively consider the refill period for the purpose of containment mass and energy releases, it is assumed that this water is instantaneously transferred to the lower plenum along with sufficient accumulator water to completely fill the lower plenum. This allows an uninterrupted release of mass and energy to containment. Therefore, the refill period is conservatively neglected in the mass and energy release calculation.

3. Reflood - begins when the water from the reactor vessel lower plenum enters the core and ends when the core is completely quenched.

4. Post-reflood (froth) - describes the period following the reflood transient. For the pump suction break, a two-phase mixture exits the core, passes through the hot legs, and is superheated in the steam generators prior to release to containment. After the broken loop steam generator cools, the break flow becomes two phase.

1.4.3 Computer Codes The Reference 4 mass and energy release evaluation model is comprised of mass and energy release versions of the following codes: SATAN VI, WREFLOOD, FROTH, and EPITOME. These codes were used to calculate the long-term LOCA mass and energy releases for Watts Bar Unit 1.

The SATAN-VI code calculates blowdown (the first portion of the thermal-hydraulic transient following break initiation), including pressure, enthalpy, density, mass, energy flow rates, and energy transfer between primary and secondary systems as a function of time.

The WVREFLOOD code addresses the portion of the LOCA transient where the core reflooding phase occurs after the RCS has depressurized (blowdown) due to the loss of water through the break and when water supplied by the ECCS refills the reactor vessel and provides cooling to the core. The most important feature is the steam/water mixing model (see subsection 1.7.2).

The FROTH code models the post-reflood portion of the transient. The FROTH code is used for the steam generator heat addition calculation from the broken and intact loop steam generators.

The EPITOME code continues the FROTH post-reflood portion of the transient from the time at which the secondary side equilibrates to containment design pressure to the end of the transient. It also compiles a summary of data on the entire transient, including formal instantaneous mass and energy release tables and mass and energy balance tables with data at critical times.

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WESTINGHOUSE NON-PROPREETARY CLASS 3 6 1.5 BREAK SIZE AN~D LOCATION Generic studies have been performed with respect to the effect of postulated break size on the LOCA mass and energy releases. The double-ended guillotine break has been found to be limiting due to larger mass flow rates during the blowdown phase of the transient. During the reflood and froth phases, the break size has little effect on the releases.

Three distinct locations in the RCS loop can be postulated for pipe rupture:

1. Hot leg (between vessel and steam generator)

2. Cold leg (between pump and vessel)

3. Pump suction (between steam generator and pump)

The limiting break location analyzed for the RSG Program is the double-ended pump suction guillotine (DEPSG) (10.46 ft2). Break mass and energy releases have been calculated for the blowdown, reflood, and post-reflood phases of the LOCA for each case analyzed. The following paragraphs provide a discussion on each break location.

The hot leg double-ended guillotine has been shown in previous studies to result in the highest blowdown mass and energy release rates. Although the core flooding rate would be the highest for this break location, the amount of energy released from the steam generator secondary is minimal because the majority of the fluid that exits the core bypasses the steam generators, venting directly to containment. As a result, the reflood mass and energy releases are reduced significantly as compared to either the pump suction or cold leg break locations, where the core exit mixture must pass through the steam generators before venting through the break. For the hot leg break, generic studies have confirmed that there is no reflood peak (that is, from the end of the blowdown period the containment pressure would continually decrease). The mass and energy releases for the hot leg break have not been included in the scope of this containment integrity analysis because, for the hot leg break, only the blowdown phase of the transient is of any significance. Since there are no reflood or post-reflood phases to consider, the limiting peak pressure calculated would be the compression peak pressure and not the peak pressure following ice bed melt-out.

The cold leg break location has been found in previous studies to be much less limiting in terms of the overall containment energy releases. The cold leg blowdown is faster than that of the pump suction break, and more mass is released into the containment. However, the core heat transfer is greatly reduced, and this results in a considerably lower energy release into containment. Studies have determined that the blowdown transient for the cold leg is less limiting than that for the pump suction break. During cold leg reflood, the flooding rate is greatly reduced and the energy release rate into the containment is reduced.

Therefore, the cold leg break is not included in the scope of this program.

The pump suction break combines the effects of the relatively high core flooding rate, as in the hot leg break, and the addition of the stored energy in the steam generators. As a result, the pump suction break yields the highest energy flow rates during the post-blowdown. period by including all of the available energy of the RCS in calculating the releases to containment. This break has been determined to be the limiting break for the Westinghouse-design ice condenser plants.

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WESTINGHOUSE NON-PROPRIETARY CLASS 3 7 In summary, the analysis of the limiting break location for an ice condenser containment has been performed and is shown in this report. The DEPSG break has historically been considered to be the limiting break location, by virtue of its consideration of all energy sources in the RCS. This break location provides a mechanism for the release of the available energy in the RCS, including both the broken and intact ioop steam generators.

1.6 APPLICATION OF SINGLE-FAILURE CRITERIA An analysis of the effects of the single-failure criteria has been performed on the mass and energy release rates for the DEPSG break. An inherent assumption in the generation of the mass and energy release is that offsite power is lost. This results in the actuation of the emergency diesel generators, required to power the Safety Injection System. This is not an issue for the blowdown period, which is limited by the compression peak pressure.

The limiting minimum safety injection case has been analyzed for the effects of a single failure. In the case of minimum safeguards, the single failure postulated to occur is the loss of an emergency diesel generator. This results in the loss of one pumped safety injection train, that is, ECGS pumps and heat exchangers.

1.7 MASS AND ENERGY RELEASE DATA 1.7.1 Blowdown Mass and Energy Release Data A version of the SATAN-VI code is used for computing the blowdown transient, which is the code used for the EGGS calculation in Reference 7.

The code utilizes the control volume (element) approach with the capability for modeling a large variety of thermal fluid system configurations. The fluid properties are considered uniform and thermodynamic equilibrium is assumed in each element. A point kinetics model is used with weighted feedback effects.

The major feedback effects include moderator density, moderator temperature, and Doppler broadening.

A critical flow calculation for subcooled (modified Zaloudek), two-phase (Moody), or superheated break flow is incorporated into the analysis. The methodology for the use of this model is described in Reference 4.

Table 1-4 presents the calculated LOCA mass and energy releases for the blowdown phase of the DEPSG break. For the pump suction breaks, break path 1 in the mass and energy release tables refers to the mass and energy exiting from the steam generator side of the break, break path 2 refers to the mass and energy exiting from the pump side of the break.

1.7.2 Reflood Mass and Energy Release Data The WREFLOOD code used for computing the reflood transient is a modified version of that used in the 1981 EGGS evaluation model, Reference 7.

The WREFLOOD code consists of two basic hydraulic models - one for the contents of the reactor vessel and one for the coolant loops. The two models are coupled through the interchange of the boundary LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 38 8 conditions applied at the vessel outlet nozzles and at the top of the downcomer. Additional transient phenomena, such as pumped safety injection and accumulators, reactor coolant pump performance, and steam generator release are included as auxiliary equations that interact with the basic models as required.

The WREFLOOD code permits the capability to calculate variations (during the core reflooding transient) of basic parameters such as core flooding rate, core and downcomer water levels, fluid thermodynamic conditions (pressure, enthalpy, density) throughout the primary system, and mass flow rates through the primary system. The code permits hydraulic modeling of the two flow paths available for discharging steam and entrained water from the core to the break; that is, the path through the broken loop and the path through the unbroken loops.

A complete thermal equilibrium mixing condition for the steam and emergency core cooling injection water during the reflood phase has been assumed for each loop receiving ECGS water. This is consistent with the usage and application of the Reference 4 mass and energy release evaluation model. Even though the Reference 4 model credits steam/mixing only in the intact loop and not in the broken loop, justification, applicability, and NIRC approval for using the mixing model in the broken loop has been documented (Reference 8). This assumption isjustified and supported by test data, and is summarized as follows.

The model assumes a complete mixing condition (that is, thermal equilibrium) for the steam/water interaction. The complete mixing process is made up of two distinct physical processes. The first is a two-phase interaction with condensation of steam by cold EGGS water. The second is a single-phase mixing of condensate and ECCS water. Since the steam release is the most important influence to the containment pressure transient, the steam condensation part of the mixing process is the only part that need be considered. (Any spillage directly heats only the sump.)

The most applicable steam/water mixing test data has been reviewed for validation of the containment integrity reflood steam/water mixing model. This data is generated in 1/3 scale tests (Reference 9), which are the largest scale data available and thus most clearly simulate the flow regimes and gravitational effects that would occur in a pressurized water reactor (MWR). These tests were designed specifically to study the steam/water interaction for PWR reflood conditions.

From the entire series of 1/3 scale tests, one group corresponds almost directly to containment integrity reflood conditions. The injection flow rates from this group cover all phases and mixing conditions calculated during the reflood transient. The data from these tests were reviewed and discussed in detail in Reference 4. For all of these tests, the data clearly indicate the occurrence of very effective mixing with rapid steam condensation. The mixing model used in the containment integrity reflood calculation is therefore wholly supported by the 1/3 scale steam/water mixing data.

Additionally, the following justification is also noted. The post-blowdown limiting break for the containment integrity peak pressure analysis is the DENSG break. For this break, there are two flow paths available in the RCS by which mass and energy may be released to containment. One is through the outlet of the steam generator, the other is via reverse flow through the reactor coolant pump. Steam that is not condensed by EGGS injection in the intact RCS loops passes around the downcomer and through the broken loop cold leg and pump in venting to containment. This steam also encounters ECCS injection water as it passes through the broken loop cold leg, complete mixing occurs, and a portion of it is condensed. It is this portion of steam, which is condensed, for which this analysis takes credit. This LTR-CRA-06-96 Attachment AL_

WESTINGHOUSE NON-PROPRIETARY CLASS 3 9 assumption isjustified based upon the postulated break location and the actual physical presence of the ECCS injection nozzle. A description of the test and test results is contained in References 4 and 9.

Table 1-5 presents the calculated mass and energy release for the ref lood phase of the pump suction double ended rupture with minimum safety injection.

The transients of the principal parameters during reflood are given in Table 1-6.

1.7.3 Post-Reflood Mass and Energy Release Data The FROTH code (Reference 10) is used for computing the post-reflood transient.

The FROTH code calculates the heat release rates resulting from a two-phase mixture level present in the steam generator tubes. The mass and energy releases that occur during this phase are typically superheated due to the depressurization and equilibration of the broken loop and intact loop steam generators. During this phase of the transient, the RCS has equilibrated with the containment pressure, but the steam generators contain a secondary inventory at an enthalpy that is much higher than the primary side. Therefore, a significant amount of reverse heat transfer occurs. Steam is produced in the core due to core decay heat. For a pump suction break, a two-phase fluid exits the core, flows through the hot legs, and becomes superheated as it passes through the steam generator. Once the broken loop cools, the break flow becomes two-phase. The methodology for the use of this model is described in Reference 4.

After steam generator depressurization/equilibration, the mass and energy release available to containment is generated directly from core boiloff/decay heat.

Table 1-7 presents the two-phase post-reflood (froth) mass and energy release data for the pump suction double-ended break case.

1.7.4 Decay Heat Model On November 2, 1978 the Nuclear Power Plant Standards Committee (NUPPSCO) of the American Nuclear Society (ANS) approved ANS standard 5.1 for the determination of decay heat. This standard was used in the mass and energy release model with the following input specific for Watts Bar Unit 1.

The primary assumptions that make this calculation specific for Watts Bar Unit 1 are the enrichment factor, minimum/maximum new fuel loading per cycle, and a conservative end of cycle core average burnup. A conservative lower bound for enrichment of 3 percent was used. Table 1-2 lists the decay heat curve used in the Watts Bar RSG/ice weight optimization analysis.

Significant assumptions in the generation of the decay heat curve are the following:

1. Decay heat sources considered are fission product decay and heavy element decay of U-239 and Np-239.

2. Decay heat power from the following fissioning isotopes are included: U-238, U-235, and Pu-239.

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WESTINGHOUSE NON-PROPRIETARY CLASS 3 10

3. Fission rate is constant over the operating history of maximum power level.

4. The factor accounting for neutron capture in fission products has been taken from Equation 11, of Reference 11I (up to 10,000 seconds) and Table 10 of Reference I1I (beyond 10,000 seconds).

5. The fuel has been assumed to be at full power for 1,096 days.

6. The number of atoms of U-239 produced per second has been assumed to be equal to 70 percent of the fission rate.

7. The total recoverable energy associated with one fission has been assumed to be 200 MeV/fission.

8. Two sigma uncertainty (two times the standard deviation) has been applied to the fission product decay.

1.7.5 Steam Generator Equilibration and Depressurization Steam generator equilibration and depressurization is the process by which secondary-side energy is removed from the steam generators in stages. The FROTH computer code calculates the heat removal from the secondary mass until the secondary temperature is saturated at the containment design pressure.

After the FROTH calculations, steam generator secondary energy is removed until the steam generator reaches Tsat at the user-specified intermediate equilibration pressure, when the secondary pressure is assumed to reach the actual containment pressure. The heat removal of the broken loop steam generator and intact loop steam generators are calculated separately.

During the FROTH calculations, steam generator heat removal rates are calculated using the secondary-side temperature, primary-side temperature, and a secondary-side heat transfer coefficient determined using a modified McAdam's correlation (Reference 12). Steam generator energy is removed during the FROTH transient until the secondary-side temperature reaches saturation temperature at the containment design pressure. The constant heat removal rate used is based on the final heat removal rate calculated by FROTH. The remaining steam generator energy available to be released is determined by calculating the difference in secondary energy available at the containment design pressure and that at the (lower) user-specified equilibration pressure, assuming saturated conditions. This energy is then divided by the energy removal rate, resulting in an equilibration time.

1.8 SOURCES OF MASS AND ENERGY The sources of mass considered in the LOCA mass and energy release analysis are given in Table 1-8.

These sources are the RCS, accumulators, and pumped safety injection.

The energy inventories considered in the LOCA mass and energy release analysis are given in Table 1-9.

The energy sources include:

" RCS water

Accumulator water LTR-CRA-06-96 Auachmcnt

WESTINGHOUSE NON-PROPRIETARY CLASS 3 II

Pumped injection water

" Decay heat

" Core-stored energy

RCS metal - primary metal (includes steam generator tubes)

" Steam generator metal (includes transition cone, shell, wrapper, and other internals)

Steam generator secondary energy (includes fluid mass and steam mass)

Secondary transfer of energy (feedwater into and steam out of the steam generator secondary)

It should be noted that the inconsistency in the energy balance tables from the end of reflood to the time of intact loop steam generator depressurization/equilibration ("Total Available" data versus "Total Accountale") resulted from the exclusion of the reactor upper head in the analysis following blowdown.

It has been concluded that the results are more conservative when the upper head is neglected. This does not affect the instantaneous mass and energy releases or the integrated values, but causes an increase in the total accountable energy within the energy balance table.

The mass and energy inventories are presented at the following times, as appropriate:

Time zero (initial conditions)

End of blowdown time

" End of refill time

" End of reflood time

Time of broken loop steam generator equilibration to pressure selpoint

Time of intact loop steam generator equilibration to pressure setpoint The sequence of events for the DEPSG case is shown in Table 1-10.

The energy release from the Zirc-water reaction is considered as part of the WCAP-1I0325-P-A methodology. Based on the way that the energy in the fuel is conservatively released to the vessel fluid, the fuel cladding temperature does not increase to the point were the Zirc-water reaction is significant.

This is in contrast to the Code of Federal Regulations (CFR) 10 CFR 50.46 analyses, which are biased to calculate high fuel rod cladding temperatures and therefore a non-significant Zirc-water reaction. For the LOCA mass and energy calculation, the energy created by the Zirc-water reaction value is small and is not explicitly provided in the energy balance tables. The energy that is determined is part of the mass and energy releases and is therefore already included in the LOCA mass and energy release.

The consideration of the various energy sources in the mass and energy release analysis provides assurance that all available sources of energy have been included in this analysis. Therefore, the review guidelines presented in Standard Review Plan (SRP) Section 6.2.1.3 have been satisfied.

1.9 REFERENCES

1. TVA Letter W-7 752, J. C.Kammeyer (TVA) to Kirsh M. Rajan (Westinghouse), "TVA Proposed Change to the Stroke Time for Valve 1-FCV-72-2 (W-1-9001B),' June 23, 2004.

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WESTINGHOUSE NON-PROPRIETARY CLASS 3 12

2. TVA Letter TVWES-0339, P. G.Trudel (TVA) to Steve Radomnski (Westinghouse),

"DOCUMENT SUBMITTAL - LOCA MASS AND ENERGY RELEASE INPUT ASSUMPTIONS," May 24, 2004.

3. TVA Letter TVWES-0382, P.G. Trudel (T1VA) to Steve Radoruski (Westinghouse),

"INFORMATION SUBMITTAL - ANALYTICAL INPUTS FOR ICE CONDENSER ICE MASS CALCULATIONS," June 28, 2004.

4. WCAP-10325-P-A, May 1983 (Proprietary) and WCAP-10326-A (Non-Proprietary),

"Westinghouse LOCA Mass and Energy Release Model for Containment Design March 1979 Version."

5. Letter from Herbert N. Berkow (NRC) to James A. Gresham (Westinghouse), Subject -

Acceptance of Clarifications of Topical Report WCAP-10325-P-A, "Westinghouse LOCA Mass and Energy Release Model for Containment Design - March 1979 Version" (TAC No. MC7980),

October 18, 2005.

6. WCAP-8354-P-A, April 1976 (Proprietary) and WCAP-8355-A (Non-Proprietary), "LONG TERM ICE CONDENSER CONTAINMENT CODE - LOTIC CODE."

7. WCAP-9220-P-A, Revision 1, February 1982 (Proprietary) and WCAP-92211-A, Revision 1 (Non-Proprietary), "Westinghouse ECCS Evaluation Model 1981 Version."

8. Docket No. 50-3 15, "Amendment No. 126, Facility Operating License No. DPR-58 (TAC No. 71062), for D.C. Cook Nuclear Plant Unit 1," June 9, 1989.

9. EPRI 294-2, "Mixing of Emergency Core Cooling Water with Steam; 1/3 -Scale Test and Summary," (WCAP-8423), Final Report, June 1975.

10. WCAP-8264-P-A, Revision 1,August 1975 (Proprietary) and WCAP-83 12-A, Revision 2 (Non-Proprietary) 'TOPICAL REPORT WESTINGHOUSE MASS AND ENERGY RELEASE DATA FOR CONTAINMENT DESIGN."

11. ANSIIANS-5. 1-1979, "American National Standard for Decay Heat Power in Light Water Reactors," August 1979.

12. W. H. McAdam, "Heat Transmission," McGraw-Hill 3rd edition, 1954, p. 172.

LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 113 Table 1-1 System Parameters Initial Conditions Parameters Value Core Thermal Power (MWt) 3,459 Reactor Coolant System Flow Rate, per Loop (gpm) 93,100 Vessel Outlet TemperatureM' (OF) 619.1 Core Inlet Temperature~') (OF) 557.3 Vessel Average Temperature (1)(2) (OF) 588.2 Initial Steam Generator Steam Pressure (psia) 1,058 Steam Generator Design Model 68AXP Steam Generator Tube Plugging ()0 Initial Steam Generator Secondary-Side Mass (ibm) 138,230.7 Accumulator Water Volume (Wt) 1,020/tank plus 24.06 (average) per line N2 Cover Gas Pressure (psig) 585 Temperature (OF) 130 Safety Injection Delay (sec) 34.9 (includes time to reach pressure setpoint)

Auxiliary Feedwater Flow (gpni/steam generator) 205 Note:

1. Analysis value includes an additional +7.0*F allowance for instrument error and dead band.

2. This temperature assumes that the plant is not operating at the reduced 2'F Tavg (586.21F). Therefore, margin exists in this analysis input if the plant operates at a reduced average temperature.

J LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 14 Table 1-2 System Parameters Decay Heat Curve Time Decay Heat (sec) (Btu/Btu)

10. .0506850

15. .0477187

.20. .0456218

40. .0406962

60. .0378482

80. .0358667 100. .0343802 150. .0318330 200. .0301404 400. .0264229 600. .0242907 800. .0227336 1,000. .0214999 1,500. .0192069 2,000. .0175824 4,000. .0140451 6,000. .0 123786 8,000. .0113975 10,000. .0107264 15,000. .0100411 20,000. .0093567 40,000. .0079090 60,000. .0071368 80,000. .006602 1 100,000. .0062046 150,000. .0054924 200,000. .0050014 400,000. .0038711 600,000. .0032712 800,000. .0028872 1,000,000. .0026231 1,500,000. .002200 1 2,000,000. .0019386 4,000,000. .0013911 6,000,000. .0011338 8,000,000. .00097S4 10,000,000. .0008662 Key Assumptions:

End of cycle core average burnup less than 45,000 Mwd/MTU Standard, V5H fuel and RFA-2 fuel upgrade Core Average Enrichment greater than 3.0%

LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 15 15 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 1-3 Safety Injection Flow Minimum Safety Injection Injection Mode RCS Pressure Total Flow (psia) (gpm) 15.0 4,788.3 55.0 4,330.4 115.0 3,477.3 175.0 2,067.7 215.0 886.0 315.0 852.8 Injection Mode (Post-Reflood Phase)

RCS Pressure ITotal Flow (psia) J(gpm) 28.2 14,637.68 Recirculation Mode (w/o Residual Heat Removal (RHR) Spray)

ITotal RCS Pressure (psia) 0 j(gpm) Flow 3,757.5 Recirculation Mode (w/ RHR Spray)

RCS Pressure ITotal Flow (psia) (gpm) 0 j1,855 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 16 Table 1-4 Double-Ended Pump Suction Guillotine Blowdown Mass and Energy Release Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btu/sec Ibmtsec Btulsec .00000 .0 .0 .0 .0

.00106 92,620.4 52,016.4 42,995.5 24,086.3

.102 42,555.3 23,893.0 22,253.7 12,454.4

.202 43,040.3 24,281.4 24,423.9 13,679.8

.301 43,644.1 24,774.1 24,458.3 13,710.2

.402 44,249.2 25,304.4 23,568.7 13,223.1

.502 44,860.5 25,871.9 22,430.8 12,592.9

.601 45,282.8 26,350.2 21,479.3 12,062.9

.702 45,352.4 26,629.0 20,633.5 11,590.5

.801 44,945.0 26,611.7 20,016.7 11,246.7

.902 44,087.6 26,314.8 19,610.3 11,022.7 1.00 43,092.2 25,920.6 19,398.7 10,906.5 1.10 42,059.8 25,496.9 19,275.1 10,839.1 1.20 41,073.7 25,095.9 19,206.0 10,801.3 1.30 40,121.0 24,713.5 19,162.9 10,777.5 1.40 39,170.8 24,328.4 19,145.4 10,767.7 1 1.50 38,213.3 23,932.2 19,160.2 10,776.1 1.60 37,279.7 23,541.9 19,195.9 10,796.3 1.70 36,421.0 23,193.6 19,224.8 10,812.6 1.80 35,592.2 22,858.9 19,227.0 10,813.7 1.90 34,708.1 22,491.4 19,215.1 10,806.8 2.00 33,683.1 22,033.3 19,209.8 10,803.8 2.10 32,754.7 21,634.4 19,170.1 10,781.5 2.20 31,782.0 21,202.5 19,090.1 10,736.5 2.30 30,776.7 20,739.5 18,975.3 10,672.0 2.40 29,746.9 20,246.0 18,828.1 10,589.5 2.50 28,724.1 19,740.7 18,449.1 10,375.1 2.60 27,430.0 19,025.5 18,152.7 10,209.6 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 17 Table 1-4 Double-Ended Pump Suction Guillotine Blowdown Mass and (cont.) Energy Release Time Break Path No. 1 Break Path No. 2 Energy Eeg Mass Thousand Mass Thousand Second ibm/sec Btulsec Ibm/sec Btulsec 2.70 25,316.1 17,704.0 17,962.4 10,104.0 2.80 22,721.8 16,007.8 17,758.2 9,990.0 2.90 21,638.7 15,383.6 17,530.7 9,863.0 3.00 20,761.0 14,855.8 17,321.8 9,747.0 3.10 19,699.5 14,161.1 17,132.1 9,642.0 3.20 18,905.2 13,647.6 16,939.1 9,535.2 3.30 18,159.4 13,155.2 16,765.7 9,439.6 3.40 17,473.6 12,698.6 16,610.3 9,354.4 3.50 16,864.7 12,292.3 16,454.8 9,269.1 3.60 16,314.4 11,922.9 16,309.1 9,189.3 3.70 15,849.7 11,611.1 16,180.2 9,119.3 3.80 15,458.9 11,348.2 16,055.7 9,051.7 3.90 15,111.8 11,111.5 15,928.7 8,982.6 4.00 14,802.3 10,897.5 15,810.8 8,918.7 4.20 14,318.5 10,558.5 15,602.5 8,806.6 4.40 13,936.4 10,277.8 15,388.5 8,691.3 4.60 13,658.2 10,061.6 15,177.4 8,577.8 4.80 13,448.0 9,883.6 14,969.4 8,466.1 5.00 13,314.6 9,752.6 14,780.9 8,365.3 5.20 13,234.3 9,652.3 14,705.5 8,332.5 5.40 13,224.8 9,597.8 16,133.9 9,146.5 5.60 13,292.5 9,592.3 15,889.2 9,012.5 5.80 13,399.5 9,610.1 15,785.3 8,960.3 6.00 13,549.5 9,658.3 15,577.3 8,847.1 6.20 13,729.4 9,727.0 15,378.1 8,740.1 6.40 13,907.2 9,795.9 15,213.1 8,652.0 6.60 14,118.2 9,880.5 15,057.8 8,568.9 6.80 13,750.2 9,675.6 14,996.3 8,537.7 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 18 Table 1-4 Double-Ended Pump Suction Guillotine Blowdown Mass and (cont.) Energy Release Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btulsec ibm/sec Btulsec 7.00 12,683.2 9,342.1 14,732.8 8,388.4 7.20 11,392.0 8,849.3 14,664.7 8,350.6 7.40 11,012.9 8,670.5 14,489.6 8,250.5 7.60 11,160.2 8,687.5 14,287.3 8,134.6 7.80 11,486.7 8,799.6 14,152.2 8,056.9 8.00 11,898.6 8,963.5 13,971.7 7,952.6 8.20 12,413.0 9,186.1 13,777.2 7,840.5 8.40 12,972.3 9,428.1 13,599.1 7,737.7 8.60 13,509.5 9,654.4 13,413.0 7,630.5 8.80 13,926.3 9,809.2 13,234.7 7,527.7 9.00 14,168.7 9,865.1 13,063.1 7,428.5 9.20 14,185.8 9,792.7 12,894.5 7,331.0 9.40 13,961.4 9,581.3 12,739.6 7,241.3 9.60 13,545.6 9,265.7 12,594.7 7,157.2 9.80 13,055.3 8,920.3 12,458.4 7,078.0 10.0 12,468.6 8,524.7 12,334.8 7,006.0 10.2 11,774.2 8,077.8 12,239.9 6,950.6 10.4 11,200.1 7,739.1 12,142.7 6,893.4 10.6 10,860.7 7,566.3 12,001.0 6,810.8 10.8 10,495.3 7,372.4 11,896.2 6,750.7 11.0 10,127.6 7,183.5 11,790.9 6,690.2 11.2 9,832.6 7,042.4 11,650.1 6,608.4 11.4 9,5451 6,895.5 11,538.5 6,544.2 11.6 9,278.0 6,756.1 11,422.3 6,476.9 11.8 9,036.1 6,628.2 11,297. 6,404.2 12.0 8,810.2 6,506.2 11,187.6 6,340.8 12.2 8,604.8 6,395.5 11,069.1 6,272.0 12.4 8,413.2 6,290.8 10,953.8 6,205.2 LTR-CRA-06-96 Attachmnent

WESTINGHOUSE NON-PROPRIETARY CLASS 3 19 Table 1-4 Double-Ended Pump Suction Guillotine Blowdown Mass and (cont.) Energy Release Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btulsec Ibm/sec Btulsec 12.6 8,237.3 6,193.2 10,841.2 6,140.1 12.8 8,068.6 6,096.3 10,717.8 6,068.8 13.0 7,898.1 5,995.1 10,581.5 5,990.6 13.2 7,729.6 5,891.3 10,449.8 5,915.5 13.4 7,568.2 5,781.4 10,316.7 5,839.8 13.6 7,421.1 5,667.1 10,185.6 5,765.1 13.8 7,287.4 5,553.5 10,053.2 5,689.7 14.0 7,181.3 5,459.7 9,923.4 5,616.2 14.2 7,076.2 5,363.9 9,798.8 5,545.8 14.4 6,980.0 5,272.4 9,681.1 5,479.6 14.6 6,894.2 5,188.2 9,568.7 5,416.7 14.8 6,809.6 5,108.0 9,441.7 5,345.4 15.0 6,732.1 5,040.6 9,377.0 5,310.8 15.2 6,651.2 4,977.1 9,252.5 5,241.6 15.4 6,566.6 4,919.7 9,168.8 5,196.8 15.6 6,474.7 4,864.5 9,074.0 5,146.2 15.8 6,377.4 4,812.2 8,975.8 5,094.2 16.0 6,275.1 4,761.7 8,886.5 5,048.0 16.2 6,168.7 4,712.9 8,793.0 5,000.2 16.4 6,060.8 4,666.4 8,697.9 4,952.4 16.6 5,952.0 4,621.9 8,603.4 4,906.3 16.8 5,842.9 4,579.5 8,506.3 4,860.2 17.0 5,734.7 4,539.6 8,332.5 4,770.8 17.2 5,639.1 4,513.1 8,133.9 4,675.0 17.4 5,579.7 4,519.1 7,912.3 4,604.9 17.6 5,550.7 4,603.5 7,608.7 4,483.8 17.8 5,394.1 4,696.3 7,342.5 4,366.1 18.0 5,075.0 4,728.6 7,004.2 4,170.8 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 20 Table 1A4 Double-Ended Pump Suction Guillotine Blowdown Mass and (cont.) Energy Release Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibmlsec Btulsec lbnilsec Btulsec 18.2 4,615.9 4,656.5 6,654.8 3,896.9 18.4 4,154.1 4,541.5 6,395.7 3,621.6 18.6 3,728.9 4,357.2 6,200.8 3,361.8 18.8 3,386.4 4,114.0 5,907.4 3,066.9 19.0 3,051.8 3,755.6 5,548.9 2,779.4 19.2 2,783.3 3,445.6 5,223.1 2,539.2 19.4 2,552.2 3,172.5 4,907.1 2,324.1 19.6 2,342.8 2,921.8 4,608.3 2,131.7 19.8 2,165.2 2,707.7 4,343.4 1,967.6 20.0 2,020.1 2,532.9 4,106.8 1,825.8 20.2 1,891.3 2,375.6 3,632.6 1,578.3 20.4 1,782.7 2,243.0 3,208.8 1,340.0 20.6 1,651.3 2,080.5 3,357.2 1,340.8 20.8 1,51 1.8 1,908.3 4,0783 1,586.1 21.0 1,382.7 1,748.2 4,569.4 1,758.2 21.2 1,267.6 1,605.3 3,793.9 1,447.6 21.4 1,171.7 1,486.0 3,050.1 1,160.0 21.6 1,091.5 1,385.9 2,769.3 1,051.3 21.8 1,012.7 1,287.1 2,367.6 896.6 22.0 928.4 1,181.0 1,678.5 629.7 22.2 837.0 1,065.7 1,640.4 536.6 22.4 748.6 954.1 3,286.3 967.6 22.6 664.2 847.4 4,490.7 1,298.3 22.8 589.9 753.3 4,751.9 1,372.9 23.0 528.2 675.2 2,834.8 819.3 23.2 477.0 610.2 2,666.8 771.2 23.4 438.5 561.5 2,6573 768.8 23.6 413.6 530.1 2,666.9 772.0 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 21 Table 1-4 Double-Ended Pump Suction Guillotine Blowdown Mass and (cont.) Energy Release Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btulsec Ibm/sec Btu/see 24.0 379.9 487.4 2,685.1 777.9 24.2 352.5 452.2 2,663.0 772.1 24.4 318.7 409.1 2,551.0 740.5 24.6 285.2 366.3 2,175.4 632.8 24.8 255.5 328.3 1,853.3 540.6 25.0 226.3 291.0 1,526.7 444.3 25.2 196.3 252.6 1,395.9 400.2 25.4 172.4 221.9 1,424.3 403.0 25.6 153.4 197.6 1,423.4 401.4 25.8 145.0 186.8 1,315.0 371.3 26.0 138.1 178.0 1,050.5 298.0 26.2 65.5 84.5 558.3 160.1 26.4 .0 .0 393.3 115.7 26.6 .0 .0 87.9 26.6 26.8 .0 .0 .0 .0

4. .4 I I

4. .4 I 4.

& ,I. I LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 22 Table 1-5 Double-Ended Pump Suction Guillotine Reflood Mass and Energy Release -

Minimum Safety Injection_______________

Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btutsee Ibm/sec Btu/sec 26.8 .0 .0 .0 .0 27.3 .0 .0 .0 .0 27.5 .0 .0 .0 .0 27.6 .0 .0 .0 .0 27.7 .0 .0 .0 .0 27.8 .0 .0 .0 .0 27.81 42.9 49.9 .0 .0 27.9 24.5 28.5 .0 .0 28.0 14.2 16.5 .0 .0 28.1 16.2 18.8 .0 .0 28.3 19.7 22.9 .0 .0 28.4 24.9 29.0 .0 .0 28.5 29.0 33.7 .0 .0 28.6 32.9 38.3 .0 .0 28.7 36.7 42.7 .0 .0 28.8 40.4 47.0 .0 .0 28.9 43.3 50.4 .0 .0 29.0 46.0 53.6 .0 .0 29.1 48.6 56.6 .0 .0 29.2 51.1 59.5 00 29.3 53.5 62.3 00 29.4 55.9 65.1 00 29.5 58.5 68.1 00 29.5 59.8 69.6 .0 .0 29.6 60.9 70.9 .0 .0 29.7 63.3 73.7 .0 .0 29.8 65.6 76.4 .0 .0 29.9 67.4 78.5 .0 .0 LTR-CRA-06-96 Alladhmcni

WESTINGHOUSE NON-PROPRIETARY CLASS 3 223 Table 1-5 Double-Ended Pump Suction Guillotine Reflood Mass and Energy Release -

(cont.) Minimum Safety Injection Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btulsec Ibm/sec Btu/see 30.9 85.6 99.8 .0 .0 31.9 101.1 117.9 .0 .0 32.9 297.1 349.2 4,057.4 571.5 33.9 343.2 404.1 4,675.0 688.7 34.5 341.2 401.8 4,647.6 687.1 34.9 339.2 3599.5 4,621.1 684.2 36.0 360.7 425.2 4,943.9 710.4 37.0 355.2 418.6 4,871.8 701.3 38.0 349.7 412.0 4,798.9 691.9 39.0 344.4 405.6 4,726.9 682.6 40.0 339.3 399.5 4,656.6 673.3 40.2 338.3 398.3 4,642.8 671.5 41.0 334.4 393.6 4,588.4 664.3 42.0 329.7 388.0 4,522.4 655.6 43.0 325.3 382.7 4,458.7 647.1 44.0 320.8 377.4 4,397.3 639.0 45.0 316.0 371.7 4,338.5 631.3 46.0 311.4 366.2 4,281.7 623.8 47.0 307.0 361.0 4,226.8 616.6 47.8 303.6 356.9 4,184.3 611.0 48.0 302.8 355.9 4,173.8 609.7 49.0 298.7 351.1 4,122.6 603.0 50.0 294.8 346.5 4,073.1 596.5 51.0 291.0 342.0 4,025.2 590.2 52.0 287.4 337.7 3,978.8 584.1 53.0 284.0 333.6 3,933.8 578.2 54.0 280.6 329.6 3,890.2 572.5 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 24 Table 1-5 Double-Ended Pump Suction Guillotine Reflood Mass and Energy Release -

(Cont.) Minimum Safety Injection Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second ibm/sec Btu/see Ibm/sec Btu/sec 55.0 277.4 325.7 3,847.9 567.0 56.0 274.2 322.0 3,806.8 561.6 57.0 271.2 318.4 3,766.9 556.4 58.0 268.3 315.0 3,728.1 551.3 59.0 265.5 311.6 3,690.3 546.4 60.0 262.7 308.4 3,653.6 541.6 61.0 260.1 305.2 3,617.8 536.9 62.0 257.5 302.2 3,583.0 532.4 63.0 255.0 299.2 3,549.0 527.9 64.0 252.6 296.3 3,515.8 523.6 65.0 250.2 293.5 3,483.5 519.4 66.0 247.9 290.8 3,451.9 515.3 67.0 245.7 288.2 3,421.1 511.3 67.7 206.0 241.2 2,818.4 438.6 68.0 145.6 170.4 365.5 95.2 69.0 345.6 406.9 291.0 179.4 70.0 348.8 410.9 292.6 181.9 71.0 343.4 404.5 289.9 178.3 72.0 338.0 398.0 287.2 174.5 73.0 332.9 391.8 284.6 170.9 74.0 327.9 385.8 282.0 167.4 75.0 323.0 380.0 279.6 164.1 76.0 317.7 373.7 277.3 161.0 77.0 312.4 367.4 275.0 158.0 78.0 307.4 361.5 272.9 155.1 79.0 303.1 356.3 271.1 152.7 80.0 299.0 351.4 269.3 150.4 81.0 295.0 346.7 267.7 148.2 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 25 25 WESTINGHOUSE NON-PROPRiETARY CLASS Table 1-5 Double-Ended Pump Suction Guillotine Reflood Mass and Energy Release -

(cont.) Minimum Safety Injection Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btu/see Ibm/sec Btu/sec 82.0 291.3 342.3 266.1 146.0 83.0 287.6 338.0 264.5 144.0 84.0 284.2 333.8 263.1 142.1 85.0 280.9 329.9 261.7 140.3 86.0 277.7 326.1 260.4 138.5 87.0 274.6 322.5 259.1 136.8 87.2 274.1 321.8 258.9 136.5 88.0 271.7 319.0 257.9 135.2 90.0 266.3 312.6 255.6 132.2 92.0 261.3 306.6 253.6 129.5 94.0 256.7 301.2 251.7 127.0 96.0 252.5 296.2 250.0 124.7 98.0 248.6 291.6 248.4 122.7 100251287.4 246.9 120.8 120218283.6 245.6 119.1 140289201244.4 117.5 160262276.9 243.3 116.0 180237274.0 242.3 114.7 110.0 ~~231.427.244135 120229.4 268.9 240.6 112.5 126228.8 268.2 240.4 112.2 140227.5 266.7 239.9 111.5 116.0 225.8 264.7 239.2 110.6 118.0 224.3 262.9 238.6 109.8 120.0 222.9 261.2 238.0 109.1 122.0 221.7 259.8 237.5 108.4 124.0 220.6 258.4 237.1 107.8 126.0 219.6 257.3 236.7 107.3 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 26 Table 1-5 Double-Ended Pump Suction Guillotine Reflood Mass and Energy Release -

(cont.) Minimum Safety Injection Time Break Path No. 1 Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btulsec Ibm/sec Btu/sec 128.0 218.7 256.2 236.3 106.8 130.0 217.9 255.3 236.0 106.4 132.0 217.2 254.5 235.7 106.0 134.0 216.6 253.7 235.4 105.7 136.0 216.1 253.1 235.2 105.4 138.0 215.6 252.6 235.0 105.1 140.0 215.2 252.1 234.8 104.9 142.0 214.9 251.7 234.7 104.7 142.6 214.8 251.6 234.7 104.7 1 144.0 214.6 251.3 234.6 104.6 146.0 214.3 251.0 234.4 104.4 148.0 214.1 250.8 234.3 104.3 150.0 213.9 250.6 234.3 104.2 152.0 213.7 250.4 234.2 104.1 154.0 213.5 250.1 234.1 103.9 156.0 214.0 250.6 234.4 104.1 158.0 214.4 251.1 234.9 104.3 160.0 214.9 251.7 235.7 104.5 162.0 215.4 252.3 236.8 104.8 164.0 216.0 253.1 238.0 105.1 166.0 216.6 253.8 239.4 105.4 168.0 217.2 254.5 240.9 105.7 170.0 217.8 255.2 242.4 106.0 172.0 218.3 255.8 244.0 106.3 174.0 218.8 256.3 245.7 106.5 174.1 218.8 256.3 245.7 106.5 176.0 219.1 256.7 247.3 106.7 178.0 219.4 257.1 248.9 106.9 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 27 Table 1-5 Double-Ended Pump Suction Guillotine Reflood Mass and Energy Release -

(cont.) Minimum Safety Injection ______________

Time Break Path No.1I Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second Ibm/sec Btulsec Ibm/sec Btu/see 180.0 219.6 257.3 250.6 107.0 182.0 219.8 257.5 252.2 107.1 184.0 219.8 257.5 253.8 107.2 186.0 219.8 257.5 255.5 107.2 188.0 219.7 257.5 257.2 107.2 190.0 219.6 257.3 258.9 107.2 192.0 219.5 257.2 260.7 107.2 194.0 219.3 256.9 262.6 107.2 196.0 219.1 256.7 264.5 1072 180288256.4 266.5 107.1 200285255.9 268.5 107.1 220280255.4 270.5 107.0 240276254.9 272.6 106.9 253272254.5 273.9 106.8 206.0 270254.2 274.7 106.8 208.0 264253.5 276.8 106.7 210.0 258252.7 278.9 106.5 212.0 250251.9 281.1 106.3 240214.3 251.0 283.3 106.2 260213.5 250.1 285.6 106.0 280212.7 249.1 287.9 105.9 200211.8 248.0 290.4 105.7 220210.9 247.0 292.9 105.5 240209.8 245.8 295.3 105.3 260208.8 244.5 297.8 105.1 280207.6 243.2 300.4 104.9 200206.5 241.8 302.8 104.7 232.0 205.2 240.2 305.2 104.5 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPREETARY CLASS 3 28 Table 1-5 Double-Ended Pump Suction Guillotine Reflood Mass and Energy Release -

(cont.) Minimum Safety Injection Time Break Path No.1I Break Path No. 2 Energy Energy Mass Thousand Mass Thousand Second lbmlsec Btulsec Ibm/sec Btulsec 234.0 203.8 238.6 307.6 104.2 236.0 202.4 237.0 310.0 103.9 238.0 201.0 235.3 312.4 103.7 238.3 200.7 235.0 312.7 103.6 LTR-CRA-06-96 Attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 29 Table 1-6 Double-Ended Pump Suction Guillotine Minimum Safety Injection Principal Parameters During Reflood Flooding Core Down-Corner Total IInjection J IAccumulator ISI Spill Time Temp Rate Carry-over Height Height Flow Enthalpy Second OF in/sec Fraction ft ft Fraction (Pounds mass per second) Bulbmm 26.8 205.8 .000 .000 .00 .00 .250 .0 .0 .0 .00 27.6 202.6 22.880 .000 .67 1.52 .000 7,612.5 7,612.5 .0 99.46 27.8 200.8 24.890 .000 1.07 1.44 .000 7,554.7 7,554.7 .0 99.46 28.3 200.1 2.333 .122 1.32 2.63 .269 7,385.6 7,385.6 .0 99.46 28.4 200.2 2.339 .143 1.34 2.95 .291 7,352.4 7,352.4 .0 99.46 29.5 200.4 2.051 .325 1.50 6.57 .351 7,061.4 7,061.4 .0 99.46 30.9 200.8 1.991 .459 1.64 10.81 .367 6,758.1 6,758.1 .0 99.46 33.9 201.5 3.752 .622 1.94 16.12 .572 5,537.3 5,537.3 .0 99.46 34.5 201.6 3.611 .643 2.01 16.12 .572 5,448.0 5,448.0 .0 99.46 34.9 201.7 3.533 .655 2.05 16.12 .571 5,394.2 5,394.2 .0 99.46 36.0 202.0 3.586 .677 2.16 16.12 .580 5,717.6 5,132.2 .0 96.76 40.2 203.4 3,182 .721 2.51 16.12 .576 5,297.2 4,704.1 .0 96.50 47.8 207.2 2.801 .747 3.00 16.12 .567 4,739.7 4,137.1 .0 96.10 57.0 212.6 2.516 .760 3.50 16.12 .555 4,252.8 3,643.0 .0 95.67 67.7 219.2 2.038 .770 4.00 16.12 .513 3,188.8 2,565.8 .0 94.30 68.0 219.4 2.093 .746 4.02 16.12 .555 632.8 .0 .0 73.03 70.0 220.8 2.999 .763 4.13 15.89 .596 587.4 .0 .0 73.03 77.0 225.3 2.677 .768 4.52 15.12 .594 599.0 .0 .0 73.03 872 230.7 2.361 .774 5.00 14.48 .586 607.4 .0 .0 73.02 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 30 Table 1-6 Double-Ended Pump Suction Guillotine Minimum Safety Injection Principal Parameters During Reflood (cont.)_______

Down- jInjection Flooding Core Corner Total Accumulator ISI Spill Time Temp Rate Carry-over Height Height Flow Enthalpy Second OF inlsec Fraction ft ft Fraction (Pounds mass per second) Btu/Ilbm 100.0 236.0 2.123 .780 5.53 14.16 .579 613.3 .0 .0 73.02 112.6 240.1 1.986 .785 6.00 14.17 .574 616.4 .0 .0 73.03 128.0 244.2 1.897 .790 6.53 14.42 .571 618.4 .0 .0 73.02 142.6 247.3 1.857 .795 7.00 14.79 .570 619.1 .0 .0 73.03 154.0 247.3 1.847 .795 7.36 15.12 .570 619.4 .0 .0 73.02 160.0 246.8 1.857 .794 7.55 15.29 .571 619.2 .0 .0 73.03 174.1 247.5 1.874 .795 8.00 15.62 .575 618.4 .0 .0 73.03 178.0 247.5 1.875 .794 8.13 15.69 .577 618.3 .0 .0 73.03 190.0 247.0 1.868 .794 8.51 15.86 .580 618.2 .0 .0 73.03 205.3 247.5 1.834 .794 9.00 16.00 .584 618.5 .0 .0 73.03 222.0 247.5 1.770 .794 9.52 16.08 .587 619.5 .0 .0 73.03 238.3 247.2 1.682 .794 10.00 16.11 .588 621.1 .0 .0 73.03 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 31 Table 1-7 Double-Ended Pump Suction Guillotine Minimum Safety Injection Post Reflood Mass and Energy Release Break Path No. 1 Break Path No. 2 Energy Energy Time Mass Thousand Mass Thousand Second Ibn/sec Btulsec Ibm/sec Btulsec 238.4 218.6 274.0 421.3 120.6 243.4 217.8 272.9 422.2 120.7 248.4 216.9 271.9 423.1 120.8 253.4 217.5 272.7 422.4 120.5 258.4 216.7 271.6 423.3 120.6 263.4 217.3 272.3 422.7 120.3 268.4 216.4 271.2 423.6 120.4 273.4 215.4 270.0 424.5 120.5 278.4 216.0 270.7 424.0 120.3 283.4 215.1 269.6 424.9 120.3 288.4 215.6 270.2 424.4 120.1 293.4 214.6 269.0 425.3 120.2 298.4 215.1 269.6 424.9 120.0 303.4 214.1 268.4 425.8 120.1 308.4 214.6 268.9 425.4 119.9 313.4 213.6 267.7 426.4 120.0 318.4 214.0 268.2 426.0 119.8 323.4 212.9 266.9 427.1 119.9 328.4 213.3 267.3 426.7 119.7 333.4 212.2 266.0 427.8 119.8 338.4 212.5 266.4 427.5 119.6 343.4 211.4 265.0 428.5 119.8 348.4 211.7 265.3 428.3 119.6 353.4 210.6 263.9 429.4 119.7 358.4 210.8 264.2 429.2 119.5 363.4 210.9 264.4 429.0 119.4 368.4 209.7 262.9 430.2 119.5 373.4 209.9 263.0 430.1 1 119.4 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 332 Table 1-7 Double-Ended Pump Suction Guillotine Minimum Safety Injection Post (cont.) Reflood Mass and Energy Release Break Path No. 1 Break Path No. 2 Energy Energy Time Mass Thousand Mass Thousand Second Ibm/sec Btu/see Ibm/sec Btu/see 378.4 209.9 263.1 430.0 119.3 383.4 208.7 261.6 431.3 119.4 388.4 208.7 261.6 431.2 119.3 393.4 208.7 261.6 431.3 119.2 398.4 208.7 261.5 431.3 119.1 403.4 207.4 259.9 432.6 119.2 408.4 207.4 260.0 432.6 119.1 413.4 207.4 259.9 432.6 119.0 418.4 207.3 259.8 432.7 118.9 423.4 207.2 259.7 432.8 118.8 428.4 205.8 258.0 434.2 119.0 433.4 205.6 257.7 434.4 118.9 438.4 205.4 257.4 434.6 118.9 443.4 205.0 257.0 434.9 118.8 448.4 204.7 256.6 435.3 118.8 453.4 204.3 256.0 435.7 118.8 458.4 204.9 256.8 435.0 118.5 463.4 204.4 256.1 435.6 118.5 468.4 203.7 255.4 436.2 118.6 473.4 203.0 254.5 436.9 118.6 478.4 203.3 254.9 436.6 118.4 483.4 202.5 253.8 437.5 118.5 488.4 202.6 253.9 437.4 118.4 493.4 202.5 253.9 437.4 118.3 498.4 201.4 252.4 438.6 118.4 503.4 201.1 252.1 438.9 118.3 508.4 200.7 251.5 439.3 118.3 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 33 Table 1-7 Double-Ended Pump Suction Guillotine Minimum Safety Injection Post (cont.) Reflood Mass and Energy Release Break Path No. 1 Break Path No. 2 Energy Energy Time Mass Thousand Mass Thousand Second Ibm/sec Btulsec Ibm/sec Btu/sec 513.4 201.0 252.0 438.9 118.1 518.4 200.2 251.0 439.7 118.2 523.4 200.2 250.9 439.8 118.1 528.4 199.8 250.5 440.1 118.0 533.4 199.2 249.7 440.7 118.1 538.4 199.2 249.6 440.8 118.0 543.4 198.7 249.0 441.3 117.9 548.4 198.6 248.9 441.4 117.9 553.4 197.8 248.0 442.1 117.9 558.4 197.9 248.1 442.0 117.8 563.4 197.0 247.0 442.9 117.8 568.4 197.0 246.9 443.0 117.7 573.4 196.5 246.2 443.5 117.7 578.4 196.3 246.0 443.7 117.7 583.4 195.9 245.5 444.1 117.6 588.4 80.8 101.3 559.1 142.3 825.9 80.8 101.3 559.1 142.3 826.0 77.1 96.4 562.9 137.6 828.4 77.0 96.3 562.9 137.5 1598.4 64.9 81.1 575.1 129.6 1600.3 64.9 81.0 583.7 130.2 1630.3 64.5 80.6 584.0 129.0 1631.3 64.5 80.6 579.8 145.7 1706.3 63.7 79.6 580.6 148.1 1708.3 63.7 79.6 451.4 135.2 2315.0 63.7 79.6 451.4 135.2 LTR-CRA-06-96 attachmient

WESTINGHOUSE NON-PROPREETARY CLASS 3 34 Table 1-8 Double-Ended Pump Suction Guillotine Minimum Safety Injection - Mass Balance I Start of End of Bottom of IBroken Loop SG IIntact Loop SG

~

RC cod)~ Accident Blowdown Core Recovery End of Reflood jEquilibration jEquilibration initial Mass in RSand Accumulators 800.38 800.38 800.38 800.38 800.38 800.38 Added Mass [Pumped Injection .00 .00 .00 124.85 500.90 1,378.65 Total Added .00 .00 .00 124.85 500.90 1,378.65

- - Total Available"** 800.38 800.38 800.38 925.22 1,301.28 2,179.03 Distribution Reactor Coolant 542.82 55.86 65.26 126.78 126.78 126.78 Accumulator 257.56 194.76 185.36 .00 .00 .00 Total Contents 800.38 250.62 250.62 126.78 126.78 126.78 Effluent Break Flow .00 549.74 549.74 787.64 1,163.70 2,041.33 ECCS Spill .00 .00 .00 .00 .00 .00 Total Effluent .00 549.74 549.74 787.64 1,163.70 2,041.33

Total Accountable* 800.38 800.36 800.36 914.42 1,290.47 2,168.10 LTR-CRA-06-96 attchment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 35 Table 1-9 Double-Ended Pump Suction Guillotine Minimum Safety Injection - Energy Balance Start of End of IBottom of Core IIBroken Loop SG Intact Loop SG Accident Blowdown Recovery End of Reflood Equilibration Equilibration Time I(Seconds) .00 26.80 26.80 238.34 826.01 2,314.98

____________ _________Energy (Million Btu) _______

Initial Energy In RCS, Accumn, & 944.89 944.89 944.89 944.89 944.89 944.89 SG Added Energy Pumped Injection .00 .00 .00 9.12 36.58 110.26 Decay Heat .00 8.22 8.22 31.76 80.94 175.61 Heat from .00 9.30 9.30 9.30 15.63 28.41

_____________Secondary ______________ ________________

Total Added .00 17.52 17.52 50.18 133.14 314.29

- - Total Available"** 944.89 962.41 962.41 995.06 1,078.03 1,259.18 Distribution Reactor Coolant 323.76 10.99 11.92 28.21 28.21 28.21 Accumulator 25.62 19.37 18.44 .00 .00 .00 Core Stored 25.97 14.57 14.57 3.98 3.66 3.48 Primary Metal 165.32 156.96 156.96 131.72 85.33 57.68 Secondary Metal 86.10 85.14 85.14 77.67 59.18 35.47 Steam Generator 318.12 328.49 328.49 295.63 226.29 145.18 Total Contents 944.89 615.52 615.52 537.21 402.56 270.02 Effluent Break Flow .00 346.30 346.30 445.67 663.19 962.21 ECCS Spill .00 .00 .00 .00 .00 .00 Total Effluent .00 346.30 346.30 445.67 663.19 962.21 Total Accountable = 1 944.89 961.82 961.82 982.88 1,065.85 1,232.23 LTR-CRA-06-96 attchmient

WESTINGHOUSE NON-PROPRIETARY CLASS 3 336 Table 1-10 Sequence of Events Event Time (Sec)

Rupture 0.0 Accumulator Flow Starts 17.7 Assumed Initiation of ECCS 34.9 End of Blowdown 26.8 Accumulators Empty 67.9 Assumed Initiation of Spray System 234.0 End of Reflood 238.34 Low Level Ala-rn of Refueling Water Storage Tank 1,571.3 Beginning of Recirculation Phase of Safeguard Operation 1,631.3 _

1.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 37 2 LOCA CONTAINMENT INTEGRITY ANALYSIS

2.1 DESCRIPTION

OF LOTIC-1 MODEL Early in the ice condenser development program, it was recognized that there was a need for modeling long-term ice condenser performance. It was realized that the model would have to have capabilities comparable to those of the dry containment (COCO) model. These capabilities would permit the model to be used to address concerns of containment design and optimize the containment and safeguards systems. This has been accomplished in the development of the LOTIC code, described in Reference 1.

The model of the containment consists of five distinct control volumes: the upper compartment, the lower compartment, the portion of the ice bed from which the ice has melted, the portion of the ice bed containing unmelted ice, and the dead-ended compartment. The ice condenser control volume with unmelted and melted ice is further subdivided into six subcompartments to allow for maldistribution of break flow to the ice bed.

The conditions in these compartments are obtained as a function of time by the use of fundamental equations solved through numerical techniques. These equations are solved for three phases in time.

Each phase corresponds to a distinct physical characteristic of the problem. Each of these phases has a unique set of simplifying assumptions based on test results from the ice condenser test facility. These phases are the blowdown period, the depressurization period, and the long-term period.

The most significant simplification of the problem is the assumption that the total pressure in the containment is uniform. This assumption isjustified by the fact that after the initial blowdown of the RCS, the remaining mass and energy released from this system into the containment are small and very slowly changing. The resulting flow rates between the control volumes will also be relatively small.

These flow rates then are unable to maintain significant pressure differences between the compartments.

In the control volumes, which are always assumed to be saturated, steam and air are assumed to be uniformly mixed and at the control volume temperature. The air is considered a perfect gas, and the thermodynamic properties of steam are taken from the American Society of Mechanical Engineers (ASME) steam table.

The condensation of steam is assumed to take place in a condensing node located, for the purpose of calculation, between the two control volumes in the ice storage compartment. The exit temperature of the air leaving this node is set equal to a specific value that is equal to the temperature of the ice filled control volume of the ice storage compartment. A lower compartment exit temperature is used if the ice bed section is melted.

2.2 CONTAINMENT PRESSURE CALCULATION The major input assumptions used in the LOTIC analysis of the DEPSG case with the steam generators considered as an active heat source are the following:

1. Minimum safeguards are employed in all of the LOTIC calculations, that is, one of two spray pumps and one of two spray heat exchangers; one of two residual heat removal (RHR) pumps and LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 38 one of two RHR heat exchangers providing flow to the core; one of two safety injection pumps and one of two centrifuigal charging pumps; one of two air return fans.

2. 2.26

106 lbs of ice initially in the ice condenser.

3. The blowdown, reflood, and post reflood mass and energy releases described in Section 1.7 are used.

4. The blowdown period mass and energy from Table 1-4 is conservatively compressed into a 10-second period in order to melt an amount of ice consistent with the Waltz Mill ice condenser test. (Reference 2)

5. Blowdown and post-blowdown ice condenser drain temperatures of 190'F and 130'F are used.

(These values are based on the long-term Waltz Mill ice condenser test data described in Reference 2.)

6. Nitrogen from the accumulators in the amount of 2,973.5 lbs is included in the calculations.

7. Hydrogen gas was added to the containment in the amount of 25,230.2 standard cubic feet (SCF) over 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Sources accounted for were radiolysis in the core and sump post-LOCA, corrosion of plant materials (aluminum, zinc, and painted surfaces found in containment),

reaction of 1 percent of the Zirconium fuel rod clad in the core, and hydrogen gas assumed to be dissolved in the RCS water. (This bounds tritium-producing core designs.)

8. Essential service water temperature of 88'F is used on the spray heat exchanger and the component cooling heat exchanger.

9. The air return fan is assumed to be effective 10 minutes after the transient is initiated.

10. No maldistribution of steam flow to the ice bed is assumed. (This assumption is conservative; it contributes to early ice bed melt-out time.)

11. No ice condenser bypass is assumed. (This assumption depletes the ice in the shortest time and is, therefore, conservative.)

12. The initial conditions in the containment are a temperature of I100*F in the lower and dead-ended volumes, 80'F in the upper volume, and 15"F in the ice condenser. (Note: The 80'F temperature in the upper compartment is a reduction from the 851F lower Technical Specification limit to account for the upper plenum volume of the ice condenser which is included in upper compartment volume for the analysis. The volume is adjusted to maximize air mass and the compression ratio.) All containment volumes are at a pressure of 0.3 psig and a 10-percent relative humidity, except the ice condenser which is at 100-percent relative humidity.

13. The minimum ECCS and containment spray flow rates versus time assumed in the peak containment pressure calculations were calculated based upon the assumption of loss of offsite power (See Table 2-1).

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WESTINGHOUSE NON-PROPRIETARY CLASS 3 39

14. Containment structural heat sinks are assumed with conservatively low heat transfer rates (See Tables 2-2 and 2-3). Note that the dead-ended compartment structural heat sinks were conservatively neglected.

15. The containment compartment volumes were based on the following: upper compartment 3

645,818 ft3 ; lower compartment 221,074 W1; and dead-ended compartment 146,600 ft . (Note:

These volumes represent TMD volumes (Reference 3). For containment integrity analysis, the volumes are adjusted to maximize air mass and the compression ratio.)

16. The operation of one containment spray heat exchanger (Overall Conductance (UA) = 2.44*

106 Btu/hr-*F) for containment cooling and the operation of one RHR heat exchanger (UA =1.57

106 Btu/hr-*F) for core cooling are assumed. The component cooling heat exchanger UA was modeled at 7.09

106 Bftuh-*F. (References 3 and 7)

17. The air return fan returns air at a rate of 40,000 cfmn from the upper to the lower compartment.

18. An active sump volume of 51,000 ft3 is used.

19. 100.6 percent of 3,459 MWt power isused in the calculations.

20. Subcooling of emergency core cooling (ECC) water from the RHR heat exchanger is assumed.

21. Nuclear service water flow to the containment spray heat exchanger was modeled as 5,200 gpm.

Also the nuclear service water flow to the component cooling heat exchanger was modeled as 6,315 gpm. (References 3 and 7)

22. The decay heat curve conservatively used to calculate mass and energy releases after steam generator equilibration is the same as presented in the mass and energy release section of this report (subsection 4.4.2 of the UFSAR).

23. The minimum time at which the RHR pumps can be diverted to the RHR sprays is specified in the Watts Bar Nuclear Plant System Description for the Containment Heat Removal Spray System (Reference 4). This assumes RHR spray starts at 3,600 seconds if switchover to recirculation has already occurred and containment pressure is above 9.5 psig. Based on the preceding criteria, the RHR spray initiation was modeled at 3,848.3 seconds into the LOCA containment response transient (Reference 3).

24. The containment spray system spray flow start time for the containment volume spray was modeled at 234 seconds (Reference 5). The time for containment spray switchover to recirculation was assumed to be completed at 3,460 seconds (References 3 and 5).

25. The blowdown compression pressure was calculated to be 7.807 psig.

I-Ad LTR-CRA-06-96 attachnient

WESTINGHOUSE NON-PROPRIETARY CLASS 3 40 2.3 STRUCTURAL HEAT REMOVAL Provision is made in the containment pressure analysis for beat storage in interior and exterior walls.

Each wall is divided into a number of nodes. For each node, a conservation of energy equation expressed in finite difference form accounts for transient conduction into and out of the node and temperature rise of the node for the containment structural heat sinks used in the analysis. The heat sink and material property data from Reference 3 was used to develop Tables 2-2 and 2-3.

The heat transfer coefficient to the containment structure is based primarily on the work of Tagami (Reference 6). When applying the Tagamii correlations, a conservative limit was placed on the lower compartment stagnant heat transfer coefficients. They were limited to a steam-air ratio of 1.4 according to the Tagami correlation. The imposition of this limitation is to restrict the use of the Tagami correlation within the test range of steam-air ratios where the correlation was derived.

With these assumptions, the heat removal capability of the containment is sufficient to absorb the energy releases and still keep the maximum calculated pressure below the design pressure.

2.4 ANALYSIS RESULTS The results of the analysis show that the maximum calculated containment pressure is 11.01 psig, for the DEPSG minimum safeguards break case, assuming an ice bed mass of 2.26 x 106 lbm. This pressure is less than the design pressure of 13.5 psig and, therefore, shows the acceptability of the reduced ice mass.

The pressure peak occurred at approximately 6,562.8 seconds, with ice bed melt-out at approximately 3,685.1 seconds. It is noted that the apparent containment pressure margin between 11.0 1 psig and the design pressure of 13.5 psig cannot be used to further reduce the ice mass. The ice bed mass is limited by the spray switchover time of 3,460 seconds and the margin between spray switchover and ice bed melt-out of at least 150 seconds.

The following plots show the containment integrity transient, as calculated by the LOTIC-1I code:

Figure 2-1, Containment Pressure Transient Figure 2-2, Upper Compartment Temperature Transient Figure 2-3, Lower Compartment Temperature Transient Figure 2-4, Active and Inactive Sump Temperature Transient Figure 2-5, Ice Melt Transient Figure 2-6, Comparison of Containment Pressure Versus Ice Melt Transients Tables 2-4 and 2-5 give energy accountings at various points in the transient.

Tables 2-6 through 2-8 provide data points for Figures 2-1 through 2-6.

2.5 RELEVANT ACCEPTANCE CRITERIA The LOCA mass and energy analysis has been performed in accordance with the criteria shown in SRP subsection 6.2.1.3. In this analysis, the relevant requirements of General Design Criterion (GDC) 50 and the Code of Federal Regulations (CFR) 10 CFR Part 50 Appendix K have been included by confirmation LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 41 that the calculated pressure is less than the design pressure, and because all available sources of energy have been included. These sources include reactor power, decay heat, core stored energy, energy stored in the reactor vessel and internals, metal-water reaction energy, and stored energy in the secondary system.

The containment integrity peak pressure analysis has been performed in accordance with the criteria shown in the SRP subsection 6.2. 1.1I.b, for ice condenser containments. Conformance to GDCs 16, 38, and 50 is demonstrated by showing that the containment design pressure is not exceeded at any time in the transient. This analysis also demonstrates that the containment heat removal systems function to rapidly reduce the containment pressure and temperature in the event of a LOCA.

2.6 CONCLUSION

S Based upon the information presented in this report, it may be concluded that operation with an ice weight of 2.26 million pounds for the Watts Bar Unit 1 is acceptable. Operation with an ice mass of 2.26 million pounds results in a calculated peak containment pressure of 11.01 psig, as compared to the design pressure of 13.5 psig. Further, the ice bed mass of 2.26x 10' lbm equates to an average of 1,162.55 Ibm per basket. This average value recognizes that all baskets may not have the same initial weight nor have the same sublimation rate. To ensure that a sufficient quantity of ice exists in each basket to survive the blowdown phase of a LOCA, a minimum amount of ice per basket to survive the blowdown would be approximately 346.5 ibm, based on Table 2-4. To ensure that an adequate distribution of ice exists in the ice condenser to prevent early bumn-through of a localized area, 346.5 lbm of ice should be the minimum weight of ice per basket at any time while also ensuring that the average weight per basket remains above 1,162.55 lbm.

Therefore, the most limriting case has been considered, and has been demonstrated to yield acceptable results.

2.7 REFERENCES

I. WCAP-8354-P-A, April 1976 (Proprietary) and WCAP-8355-A (Non-Proprietary) "Long Term Ice Condenser Containment Code - LOTIC Code" April 1976.

2. WCAP-81 10, Supplement 6, (Non-Proprietary), "TEST PLANS AND RESULTS FOR THE ICE CONDENSER SYSTEM, ICE CONDENSER FULL-SCALE SECTION TEST AT THE WALTZ MILL FACILITY," May 1974.

3. TVA Letter TVWES-0339, P.Q Trudel (TVA) to Steve Radomski (Westinghouse),

"DOCUMENT SUBMITTAL - LOCA MASS AND ENERGY RELEASE INPUT ASSUMPTIONS," May 24,2004.

4. WATTS BAR NUCLEAR PLANT SYSTEM DESCRIPTION, NO. N3-72-400 1, R1 5, (CONTAINMENT HEAT REMOVAL SPRAY SYSTEM), January 9,2004.

5. TVA Letter W-7752, J.C.Kammeyer (TVA) to Kirsh M. Rajan (Westinghouse), "TVA Proposed Change to the Stroke Time for Valve I1-FCV-72-2 (W-1 -9001B)," June 23, 2004.

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WESTINGHOUSE NON-PROPRIETARY CLASS 3 42

6. Tagami, Takasi, "Interim Renort on Safety Assessments and Facilities Establishment Project in Japan for Period Ending June. 1965 (No".II"

7. TVA Letter Number TVWES-0759, P. G.Trudel (TVA) to Steve Radomski (Westinghouse),

INFORMATION SUBMITTAL - ANAYTI CAL INPUTS FOR ICE CONDENSER ICE MASS CALCULATIONS," May 19,2006.

LTR-CRA-06-96 attachment aw

WESTINGHOUSE NON-PROPRIETARY CLASS 3 43 Table 2-1 ECCS Switchover Pump Flow vs. Time (Loss of Offsite Power At Event Initiation)

Time After ECCS Flow RHR ECCS Flow Safeguards To Core Spray To Core Initiation (RWSI) Spray (Flow) (SUMP)

(ec) (gpm) (Flow) (gpm) (gpm) (gpm) Comments 0 0 000 4S,-Sga 11.9 0 0 0 0 12.0 358.9000 CStr 16.9 358.9 0 0 0 17.0 942.3 0 0 0 SI Pump Start 21.9 942.3 0 0 0 22.0 4,699.8(l) 0 0 0 RIIR Pump Start 233.9 4,699.8 0 0 0 234.0 4,699.8 4,000 0 0 Containment Spray (CS) Start 1,631.2 4,699.8 4,000 0 0 1,631.3 4,699.8 4,000 0 3,757.5 RH-R Switchover to Sump 1,707.9 4,699.8 4,000 0 3,757.5 1,708.3 0 4,000 0 3,757.5 CCP/S1 Pump Switchover 3,339.9 0 4,000 0 3,757.5 3,340.0 0 0 0 3,757.5 CS Pump Stopped 3459.9 0 0 0 3,757.5 3,460.0 0 4,000 (Sump) 0 3,757.5 CS Pump Switchover 3,848.2 0 4,000 (Sump) 0 3,757.5 3,848.3 0 4,000 (Sump) 1,475 1,855 RHR Alignment for

________ _________Auxiliary CS End of Transient 0 4,000 (Sump) 1,475 1,855 Note:

1. 4,699.8 gpm total flow refueling water storage tank (RWST) 358.9 gpm - I centrifugal charging pump (CCP) 583.4 gpm - 1 safety injection (SI) pump 3,757.5 Mpm - 1 RHR pump LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 444 Table 2-2 Structural Heat Sink Table Upper Compartment Area (Fe) Thickness (Ft) Material

1. Operating Deck Slab 1 4,880. 1.066 Concrete Slab 2 18,280. 0.0055 Paint 1.4 Concrete Slab 3 760. 0.0055 Paint 1.5 Concrete Slab 4 3,840. 0.0208 Stainless Steel 1.5 Concrete

2. Shell and Misc.

Slab 5 56,331. 0.001 Paint 0.079 Steel Lower Compartment

1. Operating Deck, Crane Wall, and Interior Concrete Slab 6 31,963. 1.43 Concrete

2. Operating Deck Slab 7 2,830. 0.0055 Paint 1.1 Concrete Slab 8 760 0.0055 Paint 1.75 Concrete

3. Interior Concrete and Stainless Steel Slab 9 2,270. 0.0208 Stainless Steel 2.0 Concrete

4. Floor')

Slab 10 15,921. 0.0055 Paint 1.6 Concrete

5. Misc. Steel Slab 11 28,500. 0.001 Paint 0.0656 Steel Note:

1. In contact with sump.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 45 Table 2-2 Structural Heat Sink Table (cont.)

Ice Condenser Area (Ft 2) Thickness (Ft) Material

1. Ice Baskets Slab 12 149,600. 0.00663 Steel

2. Lattice Frames Slb1 7,6.0.0217 Steel Slb1 2,7.0.0587 Steel

4. Ice Condenser Floor Slab 15 3,3.0.0055 Paint 0.333 Concrete

5. Containment Wall Panels &

Containment Shell Slab 16 110.1.0 Steel & Insulation 0.0625 Steel Shell

6. Crane Wall Panels and Crane Wall Slab 17 1,5.1.0 Steel & Insulation 1.0 Concrete 1*

I I

F I

I LTR-CRA-06-96 attachrmnt

WESTINGHOUSE NON-PROPRIETARY CLASS 3 46 46 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-3 Material Properties Table Thermal Volumetric Conductivity Heat Capacity Material Btulhr-ft-0 F BtuIWV-PF Paint on Steel 0.21 19.9 Paint on Concrete 0.083 39.9 Concrete 0.8 31.9 Stainless Steel 9.4 53.68 Carbon Steel 26.0 53.9 Insulation on Steel 0.15 2.75 Table 2-4 Energy Accounting ________

Approx. End Approx. End of Blow down of Reflood (t =10.0 sec.) (t =238.3 sec.)

____________________(in Millions of Btus) 1 208.67 263.68 Ice Heat RemovaP)

Structural Heat Sinks(') 18.07 60.86 RHR Heat Exchanger Heat 0 0 Removal(')

Spray Heat Exchanger Heat 0 0 Removal(')

Energy Content of Sump 190.68 246.56 Ice Melted (Pounds) (106) 0.6737 0.8905 Note:

1. Integrted energes I

S I

I I

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 47 WESTINGHOUSE NON-PROPRIETARY CLASS 3 47 Table 2-5 Energy Accounting ________

Approx. Time of Ice Melt Out IApprox. Time Peak Pressure (t =3,685.1 sec.) (I = 6,562.8 sec.)

(in Millions of Btus)

Ice Heat Removal(') 604.84 604.84 Structural Heat Sinks~') 80.34 119.92 RHR Heat Exchanger Heat Removal(" ~ 29.41 63.02 Spray Heat Exchanger Heat Remova1~') 4.02 55.24 Energy Content of Sump 665.62 670.83 Ice Melted (Pounds) (10) 2.26 2.26 Note:

1I. Integrated energies LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPREETARY CLASS 3 48 48 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass rime Pressure Melted Ice (Sec) (psig) (Ibm) 2.00 7.80 134738.0 10.00 7.81 673690.0 11.96 7.85 673690.1 22.93 7.61 673691.8 38.93 7.52 676904.1 55.93 7.47 689146.9 72.93 7.46 709197.6 89.51 7.14 730280.1 105.03 7.00 750268.3 122.03 6.72 770134.9 139.03 6.72 789167.4 156.03 6.74 807643.3 172.03 6.89 824933.4 189.03 6.93 843417.0 206.03 6.84 861404.7 223.03 6.78 878729.1 237.06 6.82 892506.6 252.04 7.13 908656.2 269.04 7.32 926947.6 286.04 7.45 945118.5 302.04 7.52 962128.4 319.04 7.58 980115.6 336.04 7.61 998022.5 353.04 7.63 1015850.

369.04 7.65 1032551.

386.04 7.66 1050215.

403.04 7.66 1067795.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 49 Table 2-6 Containment Pressure and lee Melt Mass Time Pressure Melted lcee (Sec) (psig) (ibm) 420.04 7.67 1085290.

437.04 7.67 1102699.

453.04 7.67 1119008.

470.04 7.67 1136260.

487.04 7.67 1153434.

504.04 7.67 1170527.

520.04 7.67 1186540.

537.04 7.67 1203473.

554.04 7.67 1220315.

571.04 7.67 1237057.

585.24 7.48 1250674.

599.53 7.31 1257777.

616.53 7.11 1265847.

633.53 6.92 1274113.

649.53 6.76 1281992.

666.53 6.62 1290436.

683.53 6.51 1298920.

700.53 6.43 1307423.

716.53 6.36 1315433.

733.53 6.31 1323943.

750.53 6.27 1332448.

767.53 6.24 1340944.

783.53 6.22 1348930.

800.53 6.21 1357404.

817.53 6.19 1365866.

833.74 6.15 1373578.

850.74 6.13 1381287.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 50 WESTINGHOUSE NON-PROPRIETARY CLASS 3 50 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (See) (psig) (ibm) 866.74 6.11 1388503.

883.74 6.09 1396128.

900.74 6.08 1403708.

917.74 6.07 1411244.

933.74 6.07 1418295.

950.74 6.06 1425744.

967.74 6.06 1433148.

984.74 6.05 1440507.

1000.74 6.05 1447393.

1017.74 6.05 1454667.

1034.74 6.04 1461897.

1051.74 6.04 1469084.

1067.74 6.04 1475810.

1084.74 6.04 1482914.

1101.74 6.04 1489976.

1118.74 6.04 1496996.

1134.74 6.04 1503565.

1151.74 6.04 1510505.

1168.74 6.04 1517403.

1185.74 6.04 1524261.

1201.74 6.04 1530679.

1218.74 6.04 1537458.

1235.74 6.04 1544198.

1252.74 6.04 1550897.

1269.74 6.04 1557557.

1285.74 6.03 1563789.

1302.74 6.03 1570372.

LTR-CRA-06-96 attachment is

WESTINGHOUSE NON-PROPRIETARY CLASS 3 51 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice 1319.74 6.03 1576916.

1336.74 6.03 1583421.

1352.74 6.03 1589508.

1369.74 6.03 1595937.

1386.74 6.03 1602328.

1403.74 6.03 1608681.

1419.74 6.03 1614625.

1436.74 6.03 1620903.

1453.74 6.03 1627142.

1470.74 6.03 1633344.

1486.74 6.03 1639146.

1503.74 6.03 1645274.

1520.74 6.03 1651365.

1537.74 6.03 1657417.

1553.74 6.02 1663079.

1570.74 6.02 1669058.

1587.74 6.02 1675000.

1604.74 6.01 1680877.

1620.74 6.00 1686310.

1635.76 6.08 1691785.

1652.76 6.11 1698744.

1669.76 6.14 1705712.

1685.76 6.17 1712281.

1702.76 6.19 1719275.

1718.29 6.30 1726265.

1735.29 6.32 1734131.

1752.29 6.34 1741996 LTR-CRA-06-96 attachment A

WESTINGHOUSE NON-PROPRIETARY CLASS 3 5 52 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 1768.29 6.35 1749400.

1785.29 6.36 1757267.

1802.29 6.37 1765136.

1819.29 6.38 1773008.

1835.29 6.38 1780418.

1852.29 6.39 1788294.

1869.29 6.39 1796173.

1886.29 6.40 1804055.

1902.29 6.40 1811476.

1919.29 6.41 1819363.

1936.29 6.41 1827253.

1953.29 6.42 1835145.

1969.29 6.42 1842576.

1986.29 6.42 1850473.

2001.04 6.43 1857327.

2005.29 6.43 1859303.

2009.29 6.43 1861162.

2013.54 6.43 1863137.

2017.79 6.43 1865113.

2022.04 6.43 1867089.

2026.04 6.44 1868948.

2030.29 6.43 1870924.

2034.54 6.44 1872901.

2038.79 6.44 1874877.

2043.04 6.44 1876853.

2047.04 6.44 1878714.

2051.29 6.44 1880690.

LTR-CRA-06-96 attachment 2

WESTINGHOUSE NON-PROPRIETARY CLASS 3 5 53 Table 2-6 Containment Pressure and lee Melt Mass Time Pressure Melted Ice (Sec) (psig) Qbm) 2055.54 6.44 1882667.

2059.79 6.44 1884644.

2063.79 6.44 1886505.

2068.04 6.44 1888482.

2072.29 6.44 1890460.

2076.54 6.44 1892437.

2080.54 6.44 1894298.

2084.79 6.45 1896276.

2089.04 6.45 1898254.

2093.29 6.45 1900232.

2097.29 6.45 1902093.

2101.54 6.45 1904072.

2105.79 6.45 1906050.

2110.04 6.45 1908028.

2114.04 6.45 1909890.

2118.29 6.45 1911869.

2122.54 6.45 1913847.

2126.79 6.45 1915826.

2130.79 6.46 1917689.

2135.04 6.46 1919667.

2139.29 6.46 1921647.

2143.54 6.46 1923626.

2147.79 6.46 1925605.

2151.79 6.46 1927468.

2156.04 6.46 1929447.

2160.29 6.46 1931427.

2164.54 6.46 1933406.

LTR-CRA-06-96 attachment 2

WESTINGHOUSE NON-PROPRIETARY CLASS 3 54 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 2168.54 6.46 1935270.

2172.79 6.46 1937249.

2177.04 6.47 1939229.

2181.29 6.47 1941209.

2185.29 6.47 1943073.

2189.54 6.47 1945053.

2193.79 6.47 1947033.

2198.04 6.47 1949013.

2202.04 6.47 1950877.

2206.29 6.47 1952858.

2210.54 6.47 1954838.

2214.79 6.47 1956819.

2218.79 6.47 1958683.

2223.04 6.71960664.

2227.296.81245 2231.546.8142.

2235.546.81 640 2239.796.81 84 .

2244.04 6.48 1970453.

2248.29 6.48 1972434.

2252.54 6.48 1974415.

2256.54 6.48 1976280.

2260.79 6.48 1978261.

2265.04 6.48 1980243.

2269.29 6.48 1982225.

2273.29 6.49 1984090.

2277.54 6.49 1986072.

LTR-CRA-06-96 attachment A

WESTINGHOUSE NON-PROPRIETARY CLASS 3 55 55 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 2281.79 6.49 1988053.

2286.04 6.49 1990035.

2290.04 6.49 1991901.

2294.29 6.49 1993883.

2298.54 6.49 1995865.

2302.79 6.49 1997847.

2306.79 6.49 1999713.

2311.04 6.49 2001695.

2315.07 6.47 2003500.

2319.32 6.43 2004360.

2323.32 6.40 2005174.

2327.57 6.37 2006044.

2331.82 6.34 2006917.

2336.07 6.31 2007794.

2340.07 6.29 2008622.

2344.32 6.26 2009504.

2348.57 6.24 2010389.

2352.82 6.21 2011275.

2357.07 6.19 2012163.

2361.07 6.17 2013001.

2365.32 6.15 2013892.

2369.57 6.13 2014784.

2373.82 6.11 2015677.

2377.82 6.09 2016518.

2382.07 6.08 2017412.

2386.32 6.06 2018308.

2390.57 6.05 2019203.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 56 56 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and lee Melt Mass T"ime Pressure Melted lee (Sec) (psig) (ibm) 2394.57 6.03 2020046.

2398.82 6.02 2020943.

2403.07 6.01 2021839.

2407.32 5.99 2022736.

2411.32 5.98 2023580.

2415.57 5.97 2024477.

2419.82 5.96 2025373.

2424.07 5.95 2026270.

2428.07 5.94 2027114.

2432.32 5.93 2028010.

2436.57 5.92 2028906.

2440.82 5.91 2029802.

2444.82 5.91 2030645.

2449.07 5.90 2031540.

2453.32 5.89 2032435.

2457.57 5.88 2033330.

2461.82 5.88 2034224.

2465.82 5.87 2035065.

2470.07 5.86 2035959.

2474.32 5.86 2036852.

2478.57 5.85 2037744.

2482.57 5.85 2038584.

2486.82 5.84 2039476.

2491.07 5.84 2040367.

2495.32 5.83 2041257.

2499.32 5.83 2042095.

2503.57 5.82 2042985.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 57 57 WESTINGHOUSE NON-PROPRIETARY CLASS Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 2507.82 5.82 2043874.

25 12.07 5.82 2044762.

2516.07 5.81 2045598.

2520.32 5.81 2046486.

2524.57 5.81 2047372.

2528.82 5.80 2048259.

2532.82 5.80 2049092.

2537.07 5.80 2049977.

2541.32 5.80 2050862.

2545.57 5.79 2051746.

2549.57 5.79 2052577.

2553.82 5.79 2053460.

2558.07 5.79 2054342.

2562.32 5.78 2055223.

2566.32 5.78 2056052.

2570.57 5.78 2056933.

2574.82 5.78 2057812.

2579.07 5.78 2058691.

2583.32 5.78 2059570.

2587.32 5.77 2060396.

2591.57 5.77 2061273.

2595.82 5.77 2062149.

2600.07 5.77 2063025.

2604.07 5.77 2063849.

2608.32 5.77 2064724.

2612.57 5.77 2065598.

2616.82 5.77 2066471.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 58 58 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) Obm) 2620.82 5.76 2067292.

2625.07 5.76 2068165.

2629.32 5.76 2069036.

2633.57 5.76 2069907.

2637.57 5.76 2070726.

2641.82 5.76 2071596.

2646.07 5.76 2072465.

2650.32 5.76 2073333.

2654.32 5.76 2074150.

2658.57 5.76 2075017.

2662.82 5.76 2075883.

2667.07 5.76 2076749.

2671.07 5.76 2077563.

2675.32 5.76 2078428.

2679.57 5.76 2079292.

2683.82 5.76 2080155.

2688.07 5.76 2081018.

2692.07 5.76 2081829.

2696.32 5.76 2082691.

2700.57 5.76 2083552.

2704.82 5.76 2084412.

2708.82 5.76 2085221.

2713.07 5.76 2086080.

2717.32 5.76 2086939.

2721.57 5.76 2087797.

2725.57 5.76 2088604.

2729.82 5.76 2089460.

LTR-CRA-06-96 attachment

-a

WESTINGHOUSE NON-PROPRIETARY CLASS 3 559 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (See) (psig) (ibm) 2734.07 5.76 2090316.

2738.32 5.76 2091172.

2742.32 5.76 2091976.

2746.57 5.76 2092831.

2750.82 5.76 2093684.

2755.07 5.76 2094537.

2759.07 5.76 2095340.

2763.32 5.76 2096191.

2767.57 5.76 2097043.

2771.82 5.76 2097894.

2775.82 5.76 2098694.

2780.07 5.76 2099543.

2784.32 5.76 2100392.

2788.57 5.76 2101240.

2792.82 5.76 2102088.

2796.82 5.76 2102886.

2801.07 5.76 2103732.

2805.32 5.76 2104578.

2809.57 5.76 2105424.

2813.57 5.76 2106219.

2817.82 5.76 2107063.

2822.07 5.76 2107907.

2826.32 5.76 2108750.

2830.32 5.76 2109543.

2834.57 5.76 2110385.

2838.82 5.76 2111227.

2843.07 5.76 2112067.

LTR-CRA-06-96 attachment a

WESTINGHOUSE NON-PROPRIETARY CLASS 3 60 60 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (See) (psig) (ibm) 2847.07 5.76 2112858.

2851.32 5.76 2113698.

2855.57 5.76 2114537.

2859.82 5.76 2115376.

2863.82 5.76 2116165.

2868.07 5.76 2117002.

2872.32 5.76 2117839.

2876.57 5.76 2118676.

2880.57 5.76 2119462.

2884.82 5.77 2120298.

2889.07 5.77 2121132.

2893.32 5.77 2121967.

2897.57 5.77 2122800.

2901.57 5.77 2123584.

2905.82 5.77 2124417.

2910.07 5.77 2125249.

2914.32 5.77 2126081.

2918.32 5.77 2126863.

2922.57 5.77 2127693.

2926.82 5.77 2128523.

2931.07 5.77 2129352.

2935.07 5.77 2130132.

2939.32 5.77 2130961.

2943.57 5.77 2131788.

2947.82 5.77 2132615.

2951.82 5.77 2133393.

2956.07 5.77 2134220.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 61 61 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (Ibm) 2960.32 5.77 2135045.

2964.57 5.77 2135870.

2968.57 5.77 2136646.

2972.82 5.77 2137470.

2977.07 5.77 2138294.

2981.32 5.77 2139117.

2985.32 5.77 2139891.

2989.57 5.78 2140713.

2993.82 5.78 2141534.

2998.07 5.78 2142355.

3002.32 5.78 2143175.

3006.32 5.78 2143947.

3010.57 5.78 2144766.

3014.82 5.78 2145585.

3019.07 5.78 2146403.

3023.07 5.78 2147173.

3027.32 5.78 2147990.

3031.57 5.78 2148807.

3035.82 5.78 2149623.

3039.82 5.78 2150391.

3044.07 5.78 2151206.

3048.32 5.78 2152021.

3052.57 5.78 2152835.

3056.57 5.78 2153601.

3060.82 5.78 2154414.

3065.07 5.78 2155227.

3069.32 5.78 2156039.

LTR-CRA-06-96 attachment at

WESTINGHOUSE NON-PROPRIETARY CLASS 3 62 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (Ibm) 3073.32 5.78 2156803.

3077.57 5.78 2157614.

3081.82 5.79 2158425.

3086.07 5.79 2159235.

3090.07 5.79 2159997.

3094.32 5.79 2160806.

3098.57 5.79 2161615.

3102.82 5.79 2162423.

3107.07 5.79 2163230.

3111.07 5.79 2163990.

3115.32 5.79 2164797.

3119.57 5.79 2165603.

3123.82 5.79 2166409.

3127.82 5.79 2167166.

3132.07 5.79 2167971.

3136.32 5.79 2168775.

3140.57 5.79 2169579.

3144.57 5.79 2170335.

3148.82 5.79 2171138.

3153.07 5.79 2171940.

3157.32 5.79 2172742.

3161.32 5.79 2173496.

3165.57 5.79 2174296.

3169.82 5.80 2175097.

3174.07 5.80 2175897.

3178.07 5.80 2176649.

3182.32 5.80 2177448.

LTR-CRA-06-96 attachment a

WESTINGHOUSE NON-PROPRIETARY CLASS 3 63 Table 2-6 Containment Pressure and Ice Melt Mass rime Pressure Melted Ice (Sec) (psig) (ibm) 3186.57 5.80 2178246.

3190.82 5.80 2179044.

3194.82 5.80 2179794.

3199.07 5.80 2180591.

3203.32 5.80 2181388.

3207.57 5.80 2182184.

3211.82 5.80 2182979.

.3215.82 5.80 2183727.

3220.07 5.80 2184522.

3224.32 5.80 2185316.

3228.57 5.80 2186109.

3232.57 5.80 2186856.

3236.82 5.80 2187648.

3241.07 5.80 2188440.

3245.32 5.80 2189232.

3249.32 5.80 2189976.

3253.57 5.80 2190767.

3257.82 5.80 2191557.

3262.07 5.81 2192347.

3266.07 5.81 2193090.

3270.32 5.81 2193879.

3274.57 5.81 2194667.

3278.82 5.81 2195455.

3282.82 5.81 2196196.

3287.07 5.81 2196983.

3291.32 5.81 2197769.

3295.57 5.81 2198555.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 6 64 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (lbm) 3299.57 5.81 2199294.

3303.82 5.81 2200079.

3308.07 5.81 2200864.

3312.32 5.81 2201648.

3316.32 5.81 2202385.

3320.57 5.81 2203169.

3324.82 5.81 2203951.

3329.07 5.81 2204733.

3333.32 5.81 2205515.

3337.32 5.81 2206250.

3341.57 5.83 2207031.

3345.82 5.86 2207812.

3350.07 5.89 2208594.

3354.07 5.92 2209330.

3358.32 5.94 2210111.

3362.57 5.97 2210893.

3366.82 5.99 2211675.

3370.82 6.01 2212411.

3375.07 6.03 2213192.

3379.32 6.06 2213972.

3383.57 6.08 2214749.

3387.57 6.10 2215479.

3391.82 6.13 2216253.

3396.07 6.15 2217024.

3400.32 6.18 2217793.

3404.32 6.20 2218514.

3408.57 6.23 2219278.

LTR-CRA-06-96 attachment a

WESTINGHOUSE NON-PROPRIETARY CLASS 3 65 65 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass T"ime Pressure Melted Ice (Sec) (psig) (ibm) 3412.82 6.26 2220041.

3417.07 6.29 2220800.

3421.07 6.32 2221513.

3425.32 6.35 2222268.

3429.57 6.39 2223020.

3433.82 6.42 2223770.

3438.07 6.46 2224517.

3442.07 6.49 2225218.

3446.32 6.53 2225960.

3450.57 6.57 2226700.

3454.82 6.60 2227437.

3458.82 6.64 2228127.

3463.07 6.61 2228858.

3467.32 6.56 2229582.

3471.57 6.53 2230302.

3475.57 6.50 2230974.

3479.82 6.49 2231684.

3484.07 6.48 2232389.

3488.32 6.47 2233090.

3492.32 6.47 2233746.

3496.57 6.47 2234439.

3500.82 6.47 2235128.

3505.07 6.48 2235813.

3509.07 6.49 2236454.

3513.32 6.50 2237131.

3517.57 6.51 2237804.

3521.82 6.52 2238472.

LTR-CRA-06-96 attachrmnt

WESTINGHOUSE NON-PROPRIETARY CLASS 3 66 66 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (See) (psig) (ibm) 3525.82 6.54 2239098.

3530.07 6.55 2239759.

3534.32 6.57 2240415.

3538.57 6.58 2241068.

3542.82 6.60 2241716.

3546.82 6.62 2242322.

3551.07 6.63 2242961.

3555.32 6.66 2243596.

3559.57 6.67 2244226.

3563.57 6.69 2244815.

3567.82 6.71 2245436.

3572.07 6.73 2246052.

3576.32 6.76 2246663.

3580.32 6.77 2247234.

3584.57 6.80 2247836.

3588.82 6.82 2248432.

3593.07 6.84 2249023.

3597.07 6.87 2249574.

3601.32 6.89 2250155.

3605.57 6.92 2250730.

3609.82 6.94 2251299.

3613.82 6.97 2251830.

3618.07 6.99 2252388.

3622.32 7.02 2252940.

3626.57 7.05 2253487.

3630.57 7.08 2253995.

3634.82 7.11 2254529.

LTR-CRA-06-96 attachment A

WESTINGHOUSE NON-PROPRIETARY CLASS 3 67 67 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (Ibm) 3639.07 7.14 2255057.

3643.32 7.17 2255579.

3647.57 7.20 2256093.

3651.57 7.23 2256572.

3655.82 7.26 2257073.

3660.07 7.29 2257567.

3664.32 7.33 2258055.

3668.32 7.36 2258506.

3672.57 7.40 2258979.

3676.82 7.54 2259384.

3681.07 7.69 2259704.

3685.07 7.87 2259937.

3689.32 8.21 2259965.

3693.57 8.19 2259965.

3697.82 8.19 2259965.

3701.82 8.21 2259965.

3706.07 8.24 2259965.

3710.32 8.27 2259965.

3714.57 8.31 2259965.

3718.57 8.36 2259965.

3722.82 8.40 2259965.

3727.07 8.45 2259965.

3731.32 8.50 2259965.

3735.32 8.55 2259965.

3739.57 8.60 2259965.

3743.82 8.65 2259965.

3748.07 8.70 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 68 68 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment JPressure and Ice Melt Mass lime P'ressure Melted Ice (Sec) (psig) (ibm) 3752.32 8.75 2259965.

3756.32 8.79 2259965.

3760.57 8.84 2259965.

3764.82 8.88 2259965.

3769.07 8.92 2259965.

3773.07 8.96 2259965.

3777.32 9.00 2259965.

3781.57 9.04 2259965.

3785.82 9.08 2259965.

3789.82 9.11 2259965.

3794.07 9.14 2259965.

3798.32 9.18 2259965.

3802.57 9.21 2259965.

3806.57 9.24 2259965.

3810.82 9.27 2259965.

3815.07 9.30 2259965.

3819.32 9.33 2259965.

3823.32 9.36 2259965.

3827.57 9.38 2259965.

3831.82 9.41 2259965.

3836.07 9.44 2259965.

3840.07 9.46 2259965.

3844.32 9.48 2259965.

3848.57 9.49 2259965.

3852.82 9.41 2259965.

3857.07 9.35 2259965.

3861.07 9.30 2259965 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 669 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 3865.32 9.28 2259965.

3869.57 9.26 2259965.

3873.82 9.25 2259965.

3877.82 9.24 2259965.

3882.07 9.24 2259965.

3886.32 9.25 2259965.

3890.57 9.26 2259965.

3894.57 9.27 2259965.

3898.82 9.28 2259965.

3903.07 9.29 2259965.

3907.32 9.31 2259965.

3911.32 9.32 2259965.

3915.57 9.34 2259965.

3919.82 9.35 2259965.

3924.07 9.37 2259965.

3928.07 9.38 2259965.

3932.32 9.40 2259965.

3936.57 9.41 2259965.

3940.82 9.43 2259965.

3944.82 9.44 2259965.

3949.07 9.46 2259965.

3953.32 9.47 2259965.

3957.57 9.48 2259965.

3961.57 9.50 2259965.

3965.82 9.51 2259965.

3970.07 9.52 2259965.

3974.32 9.53 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 70 70 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 3978.S7 9.S5 2259965.

3982.57 9.56 2259965.

3986.82 9.57 2259965.

3991.07 9.58 2259965.

3995.32 9.59 2259965.

3999.32 9.60 2259965.

4014.07 9.64 2259965.

4031.07 9.68 2259965.

4048.07 9.72 2259965.

4064.07 9.76 2259965.

4081.07 9.80 2259965.

4098.07 9.83 2259965.

4115.07 9.87 2259965.

4131.07 9.90 2259965.

4148.07 9.93 2259965.

4165.07 9.96 2259965.

4182.07 9.99 2259965.

4198.07 10.01 2259965.

4215.07 10.04 2259965.

4232.07 10.07 2259965.

4249.07 10.10 2259965.

4265.07 10.12 2259965.

4282.07 10.14 2259965.

4299.07 10.17 2259965.

4316.07 10.19 2259965.

4333.07 10.21 2259965.

4349.07 10.23 2259965.

LTR-CRA-06-.96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 71 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (See) (psig) (lbm) 4366.07 10.25 2259965.

4383.07 10.27 2259965.

4400.07 10.29 2259965.

4416.07 10.31 2259965.

4433.07 10.33 2259965.

4450.07 10.34 2259965.

4467.07 10.36 2259965.

4483.07 10.38 2259965.

4500.07 10.39 2259965.

4517.07 10.41 2259965.

4534.07 10.42 2259965.

4550.07 10.44 2259965.

4567.07 10.45 2259965.

4584.07 10.47 2259965.

4601.07 10.48 2259965.

4617.07 10.49 2259965.

4634.07 10.51 2259965.

4651.07 10.52 2259965.

4668.07 10.53 2259965.

4684.07 10.54 2259965.

4701.07 10.55 2259965.

4718.07 10.57 2259965.

4735.07 10.58 2259965.

4752.07 10.59 2259965.

4768.07 10.60 2259965.

4785.07 10.61 2259965.

4802.07 10.62 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPREETARY CLASS 3 72 72 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (See) (psig) (ibm) 4819.07 10.63 2259965.

4835.07 10.64 2259965.

4852.07 10.64 2259965.

4869.07 10.65 2259965.

4886.07 10.66 2259965.

4902.07 10.67 2259965.

4919.07 10.68 2259965.

4936.07 10.69 2259965.

4953.07 10.69 2259965.

4969.07 10.70 2259965.

4986.07 10.71 2259965.

5059.97 10.74 2259965.

5307.09 10.88 2259965.

5574.41 10.94 2259965.

5868.14 10.92 2259965.

6188.41 10.99 2259965.

6537.77 10.96 2259965.

6921.99 10.95 2259965.

7298.83 10.93 2259965.

7641.47 10.87 2259965.

7959.75 10.89 2259965.

8325.62 10.83 2259965.

8622.51 10.83 2259965.

8970.63 10.78 2259965.

9324.32 10.72 2259965.

9663.76 10.72 2259965.

10011.68 10.64 2259965.

LTR-CRA-06-96 attachment a

WESTINGHOUSE NON-PROPREETARY CLASS 3 73 73 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 10395.40 10.67 2259965.

10742.07 10.63 2259965.

11106.42 10.68 2259965.

11468.62 10.70 2259965.

11837.97 10.65 2259965.

12210.16 10.66 2259965.

12632.56 10.61 2259965.

13023.92 10.58 2259965.

13426.44 10.54 2259965.

13838.92 10.54 2259965.

14236.34 10.50 2259965.

14606.32 10.47 2259965.

15021.29 10.49 2259965.

15422.77 10.41 2259965.

15832.13 10.44 2259965.

16220.58 10.40 2259965.

16633.01 10.33 2259965.

17067.48 10.35 2259965.

17492.89 10.26 2259965.

17936.37 10.25 2259965.

18350.87 10.20 2259965.

18800.63 10.12 2259965.

19232.70 10.10 2259965.

19679.46 10.02 2259965.

20103.44 9.99 2259965.

20551.80 9.98 2259965.

20989.47 9.94 2259965.

LTR-CRA-06-96 attachrmnt a

WESTINGHOUSE NON-PROPRIETARY CLASS 3 74 Table 2-6 Containment Pressure and lee Melt Mass Time Pressure Melted Ice (See) (psig) (ibm) 21449.20 9.90 2259965.

21894.45 9.88 2259965.

22327.60 9.87 2259965.

22771.13 9.82 2259965.

23230.61 9.80 2259965.

23641.89 9.79 2259965.

24098.41 9.72 2259965.

24558.92 9.73 2259965.

25001.64 9.66 2259965.

25424.30 9.63 2259965.

25887.81 9.65 2259965.

26341.82 9.58 2259965.

26829.11 9.57 2259965.

27276.60 9.54 2259965.

27747.67 9.49 2259965.

28223.70 9.47 2259965.

28686.80 9.46 2259965.

29184.45 9.40 2259965.

29648.45 9.37 2259965.

30123.70 9.36 2259965.

30598.98 9.31 2259965.

31088.95 9.30 2259965.

31521.29 9.28 2259965.

32010.72 9.21 2259965.

32500.46 9.22 2259965.

32977.08 9.16 2259965.

33429.84 9.12 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 75 Table 2-6 Containment Pressure and lee Melt Mass Time Pressure Melted lee (Sec) (psig) (ibm) 33923.66 9.13 2259965.

34407.25 9.07 2259965.

34911.11 9.06 2259965.

35380.18 9.04 2259965.

35893.33 9.00 2259965.

36420.38 8.94 2259965.

36935.99 8.93 2259965.

37408.14 8.90 2259965.

37923.59 8.86 2259965.

38441.00 8.85 2259965.

38943.91 8.80 2259965.

39405.39 8.76 2259965.

39922.37 8.76 2259965.

40442.48 8.70 2259965.

40942.93 8.73 2259965.

41447.87 8.69 2259965.

41946.38 8.71 2259965.

42446.68 8.67 2259965.

42969.71 8.65 2259965.

43490.26 8.61 2259965.

43971.02 8.58 2259965.

44503.20 8.58 2259965.

45026.57 8.53 2259965.

45527.63 8.57 2259965.

46065.92 8.53 2259965.

46596.58 8.51 2259965.

47112.01 8.48 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 776 Table 2-6 Containment Pressure and Ice Melt Mass rlime Pressure Melted Ice (Sec) (psig) Qbm) 47629.54 8.48 2259965.

48117.23 8.46 2259965.

48666.37 8.40 2259965.

49195.62 8.43 2259965.

49717.57 8.39 2259965.

50251.88 8.39 2259965.

50796.55 8.36 2259965.

51309.71 8.37 2259965.

51826.90 8.32 2259965.

52308.72 8.31 2259965.

52850.06 8.31 2259965.

53395.45 8.29 2259965.

53941.73 8.27 2259965.

54436.28 8.24 2259965.

54956.98 8.25 2259965.

55478.67 8.21 2259965.

56003.24 8.22 2259965.

56530.13 8.18 2259965.

57059.89 8.18 2259965.

57612.50 8.16 2259965.

58155.37 8.15 2259965.

58685.34 8.11 2259965.

59175.23 8.10 2259965.

59708.84 8.11 2259965.

60243.61 8.07 2259965.

60796.13 8.08 2259965.

61334.95 8.06 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 777 Table 2-6 Containment Pressure and lee Melt Mass Time Pressure Melted Ice (See) (psig) OJbm) 61870.00 8.05 2259965.

62397.98 8.03 2259965.

62927.72 8.04 2259965.

63423.80 8.03 2259965.

63959.72 7.99 2259965.

64521.57 8.00 2259965.

65086.47 7.98 2259965.

65621.75 7.96 2259965.

66160.05 7.94 2259965.

66697.02 7.95 2259965.

67233.87 7.92 2259965.

67734.73 7.91 2259965.

68295.06 7.92 2259965.

68856.38 7.91 2259965.

69423.55 7.89 2259965.

69989.64 7.88 2259965.

70499.50 7.88 2259965.

71047.52 7.84 2259965.

71613.16 7.86 2259965.

72170.60 7.83 2259965.

72732.27 7.83 2259965.

73318.93 7.81 2259965.

73903.26 7.80 2259965.

74465.95 7.78 2259965.

74990.39 7.77 2259965.

75558.55 7.78 2259965.

76133.61 7.74 2259965.

L.TR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 778 Table 2-6 Containment Pressure and Ice Melt Mass rlime Pressure Melted Ice (See) (psig) (Ibm) 76717.41 7.76 2259965.

77307.70 7.73 2259965.

77886.05 7.73 2259965.

78467.70 7.70 2259965.

79050.85 7.72 2259965.

79590.86 7.71 2259965.

80168.17 7.67 2259965.

80775.68 7.68 2259965.

81385.53 7.67 2259965.

81952.78 7.65 2259965.

82532.61 7.63 2259965.

83108.64 7.64 2259965.

83696.91 7.60 2259965.

84281.20 7.62 2259965.

84824.41 7.60 2259965.

85416.44 7.59 2259965.

86029.89 7.58 2259965.

86591.66 7.58 2259965.

87115.39 7.58 2259965.

87689.74 7.54 2259965.

88264.14 7.56 2259965.

88843.19 7.52 2259965.

89427.34 7.53 2259965.

90030.23 7.51 2259965.

90627.55 7.50 2259965.

91203.32 7.48 2259965.

91738.92 7.47 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 779 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 92324.56 7.49 2259965.

92907.88 7.45 2259965.

93512.09 7.46 2259965.

94099.17 7.44 2259965.

94690.67 7.44 2259965.

95274.67 7.42 2259965.

95850.09 7.43 2259965.

96394.81 7.42 2259965.

96987.82 7.39 2259965.

97589.77 7.40 2259965.

98207.85 7.40 2259965.

98824.49 7.38 2259965.

99369.81 7.36 2259965.

99967.41 7.37 2259965.

100557.7 7.34 2259965.

101157.1 7.36 2259965.

101726.9 7.35 2259965.

102346.8 7.34 2259965.

102969.5 7.33 2259965.

103571.0 7.32 2259965.

104121.5 7.32 2259965.

104723.5 7.29 2259965.

105330.0 7.31 2259965.

105927.7 7.28 2259965.

106533.4 7.29 2259965.

107154.9 7.28 2259965.

107763.6 7.27 2259965.

LTRACRA-06-96 attachmient

WESTINGHOUSE NON-PROPRIETARY CLASS 3 880 Table 2-6 Containment Pressure and lee Melt Mass T'ime Pressure Melted lee (Sec) (psig) (ibm) 108374.4 7.26 2259965.

108929.7 7.25 2259965.

109549.4 7.27 2259965.

110153.2 7.23 2259965.

110777.0 7.25 2259965.

111400.7 7.23 2259965.

112006.8 7.23 2259965.

112627.1 7.21 2259965.

113242.0 7.22 2259965.

113846.9 7.20 2259965.

114418.7 7.19 2259965.

115061.0 7.20 2259965.

115715.2 7.19 2259965.

116380.3 7.17 2259965.

116987.4 7.16 2259965.

117616.0 7.17 2259965.

118237.4 7.14 2259965.

118851.1 7.16 2259965.

119461.9 7.15 2259965.

120116.8 7.14 2259965.

120777.3 7.13 2259965.

121390.1 7.12 2259965.

121973.4 7.13 2259965.

122614.4 7.09 2259965.

123258.2 7.11 2259965.

123891.7 7.08 2259965.

124532.1 7.09 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 881 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (lbm) 125198.8 7.08 2259965.

125834.8 7.07 2259965.

126483.0 7.06 2259965.

127080.1 7.05 2259965.

127738.1 7.06 2259965.

128402.0 7.03 2259965.

129085.3 7.03 2259965.

129772.8 7.03 2259965.

130395.3 7.02 2259965.

131026.0 7.00 2259965.

131701.2 7.01 2259965.

132391.5 6.97 2259965.

133032.5 6.96 2259965.

133695.6 6.98 2259965.

134387.5 6.97 2259965.

135031.1 6.95 2259965.

135646.6 6.94 2259965.

136337.4 6.95 2259965.

137030.5 6.92 2259965.

137705.8 6.94 2259965.

138362.6 6.92 2259965.

139026.4 6.93 2259965.

139677.1 6.90 2259965.

140365.8 6.91 2259965.

141005.0 6.90 2259965.

141702.8 6.89 2259965.

142395.0 6.89 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 82 82 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 143042.7 6.88 2259965.

143671.2 6.88 2259965.

144326.9 6.86 2259965.

144989.8 6.87 2259965.

145651.9 6.85 2259965.

146308.2 6.85 2259965.

146982.3 6.84 2259965.

147658.3 6.82 2259965.

148341.6 6.83 2259965.

149046.0 6.80 2259965.

149696.0 6.81 2259965.

150360.6 6.81 2259965.

151018.5 6.80 2259965.

151704.4 6.78 2259965.

152357.0 6.77 2259965.

153058.7 6.78 2259965.

153705.6 6.78 2259965.

154364.0 6.76 2259965.

155005.5 6.75 2259965.

155716.9 6.76 2259965.

156416.0 6.75 2259965.

157070.8 6.74 2259965.

157685.8 6.73 2259965.

158385.7 6.74 2259965.

159083.8 6.73 2259965.

159744.2 6.73 2259965.

160379.9 6.72 2259965.

LTR-CRA-06-96 attachimnt

WESTINGHOUSE NON-PROPRIETARY CLASS 3 883 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 161077.8 6.72 2259965.

161790.0 6.70 2259965.

162504.5 6.69 2259965.

163178.7 6.69 2259965.

163841.0 6.68 2259965.

164567.6 6.69 2259965.

165249.8 6.68 2259965.

165953.8 6.67 2259965.

166630.2 6.67 2259965.

167301.7 6.65 2259965.

168027.3 6.66 2259965.

168719.7 6.65 2259965.

169381.6 6.66 2259965.

170115.5 6.64 2259965.

170795.4 6.63 2259965.

171531.7 6.64 2259965.

172205.7 6.63 2259965.

172902.0 6.63 2259965.

173628.4 6.62 2259965.

174279.8 6.61 2259965.

174956.0 6.61 2259965.

175643.7 6.61 2259965.

176354.6 6.61 2259965.

177086.6 6.60 2259965.

177783.9 6.59 2259965.

178467.5 6.59 2259965.

179207.9 6.57 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 884 Table 2-6 Containment Pressure and lee Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 179907.9 6.56 2259965.

180584.5 6.56 2259965.

181301.6 6.55 2259965.

182019.8 6.56 2259965.

182737.8 6.56 2259965.

183454.6 6.55 2259965.

184136.9 6.55 2259965.

184853.4 6.54 2259965.

185586.3 6.52 2259965.

186285.0 6.53 2259965.

186988.4 6.51 2259965.

187699.8 6.51 2259965.

188454.1 6.51 2259965.

189142.8 6.52 2259965.

189859.5 6.50 2259965.

190563.2 6.50 2259965.

191331.5 6.49 2259965.

192034.6 6.48 2259965.

192753.3 6.48 2259965.

193457.4 6.46 2259965.

194214.0 6.47 2259965.

194929.9 6.47 2259965.

195635.5 6.46 2259965.

196352.5 6.46 2259965.

197088.6 6.45 2259965.

197827.4 6.44 2259965.

198514.5 6.44 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 85 Table 2-6 Containment Pressure and Ice Melt Mass Time Pressure Melted Ice (Sec) (psig) (ibm) 199255.0 6.43 2259965.

199982.8 6.42 2259965.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 86 86 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (O)(F) 2.00 94.09 234.30 10.00 94.09 234.31 11.96 93.25 234.50 22.93 88.91 233.80 38.93 87.59 233.60 55.93 87.24 233.50 72.93 87.31 233.50 89.51 87.70 231.39 105.03 88.25 227.77 122.03 88.84 223.75 139.03 89.40 223.33 156.03 89.92 223.31 172.03 90.36 225.08 189.03 90.79 225.31 206.03 91.18 223.97 223.03 91.53 222.87 237.06 93.38 222.28 252.04 97.92 223.82 269.0410.8241 286.04 101.98___225.58_

302.0410.9263 319.0410.9265 336.04 103.31___226.88 _

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPREETARY CLASS 3 87 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 87 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec)(O)OF 353.04 103.43 227.07 369.04 103.49 227.19 386.04 103.53 227.27 403.04 103.56 227.31 420.04 103.58 227.32 437.04 103.59 227.32 453.04 103.60 227.34 470.04 103.61 227.34 487.04 103.62 227.33 504.04 103.63 227.31 520.04 103.64 227.28 537.04 103.64 227.25 554.04 103.65 227.18 571.04 103.66 227.10 585.24 103.67 224.59 599.53 103.67 222.19 616.53 105.43 218.02 633.53 106.43 214.18 649.53 106.88 211.25 666.53 107.11 208.71 683.53 107.22 206.64 700.53 107.27 204.99 716.53 107.29 203.74 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 88 88 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 733.53 107.31 202.68 750.53 107.32 201.85 767.53 107.33 201.19 783.53 107.34 200.70 800.53 107.34 200.30 817.53 107.35 199.98 833.74 107.36 199.05 850.74 107.37 198.48 866.74 107.37 198.04 883.74 107.38 197.64 900.74 107.39 197.30 917.74 107.39 197.01 933.74 107.40 196.77 950.74 107.41 196.55 967.74 107.42 196.35 984.74 107.42 196.17 1000.74 107.43 196.02 1017.74 107.44 195.86 1034.74 107.45 195.72 1051.74 107.45 195.58 1067.74 107.46 195.46 1084.74 107.47 195.33 1101.74 107.47 195.21 LTR-CRA-06-96 attachment

WESTTNGHOUSE NON-PROPREETARY CLASS 3 89 89 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature 0f M (OF)

(See) 1118.74 107.48 195.08 1134.74 107.49 194.97 1151.74 107.49 194.85 1168.74 107.50 194.73 1185.74 107.51 194.61 1201.74 107.52 194.50 1218.74 107.52 194.38 1235.74 107.53 194.26 1252.74 107.54 194.14 1269.74 107.54 194.02 1285.74 107.55 193.90 1302.74 107.56 193.79 1319.74 107.56 193.66 1336.74 107.57 193.54 1352.74 107.57 193.42 1369.74 107.58 193.29 1386.74 107.59 193.17 1403.74 107.59 193.04 1419.74 107.60 192.92 1436.74 107.61 192.79 1453.74 107.61 192.66 1470.74 107.62 192.53 1486.74 107.63 192.40 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 90 90 WESTINGHOUSE NON-PROPRDiTARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (OF) (OF) 1503.74 107.63 192.27 1520.74 107.64 192.13 1537.74 107.64 191.99 1553.74 107.65 191.86 1570.74 107.66 191.73 1587.74 107.66 191.59 1604.74 107.67 191.11 1620.74 107.67 190.87 1635.76 107.68 192.58 1652.76 107.69 193.24 1669.76 107.69 193.79 1685.76 107.70 194.22 1702.76 107.71 194.60 1718.29 107.71 197.14 1735.29 107.72 197.45 1752.29 107.73 197.69 1768.29 107.74 197.87 1785.29 107.74 198.02 1802.29 107.75 198.13 1819.29 107.76 198.22 1835.29 107.76 198.29 1852.29 107.77 198.34 1869.29 107.77 198.38 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 91 91 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (F 1886.29 107.78 198.42 1902.29 107.78 198.44 1919.29 107.79 198.46 1936.29 107.80 198.48 1953.29 107.80 198.49 1969.29 107.81 198.50 1986.29 107.81 198.51 2001.04 107.82 198.52 2005.29 107.82 198.52 2009.29 107.82 198.52 2013.54 107.82 198.52 2017.79 107.82 198.52 2022.04 107.82 198.52 2026.04 107.82 198.52 2030.29 107.83 198.52 2034.54 107.83 198.52 2038.79 107.83 198.52 2043.04 107.83 198.52 2047.04 107.83 198.52 2051.29 107.83 198.52 2055.54 107.83 198.52 2059.79 107.84 198.52 2063.79 107.84 198.52 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 92 92 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) 0M F (on 2068.04 107.84 198.52 2072.29 107.84 198.52 2076.54 107.84 198.52 2080.54 107.84 198.52 2084.79 107.84 198.53 2089.04 107.84 198.53 2093.29 107.85 198.53 2097.29 107.85 198.53 2101.54 107.85 198.53 2105.79 107.85 198.53 2110.04 107.85 198.53 2114.04 107.85 198.53 2118.29 107.85 198.53 2122.54 107.86 198.53 2126.79 107.86 198.53 2130.79 107.86 198.53 2135.04 107.86 198.53 2139.29 107.86 198.53 2143.54 107.86 198.53 2147.79 107.86 198.53 2151.79 107.86 198.53 2156.04 107.87 198.53 2160.29 107.87 198.54 LT'R-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 93 93 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 2164.54 107.87 198.54 2168.54 107.87 198.54 2172.79 107.87 198.54 2177.04 107.87 198.54 2181.29 107.87 198.54 2185.29 107.87 198.54 2189.54 107.88 198.54 2193.79 107.88 198.54 2198.04 107.88 198.54 2202.04 107.88 198.54 2206.29 107.88 198.54 2210.54 107.88 198.54 2214.79 107.88 198.54 2218.79 107.88 198.54 2223.04 107.89 198.54 2227.29 107.89 198.54 2231.54 107.89 198.55 2235.54 107.89 198.55 2239.79 107.89 198.55 2244.04 107.89 198.55 2248.29 107.89 198.55 2252.54 107.90 198.55 2256.54 107.90 198.55 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 94 94 WESTINGHOUSE NON-PROPRIETARY CLASS Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF~)(F 2260.79 107.90 198.55 2265.04 107.90 198.55 2269.29 107.90 198.55 2273.29 107.90 198.55 2277.54 107.90 198.55 2281.79 107.90 198.55 2286.04 107.91 198.55 2290.04 107.91 198.55 2294.29 107.91 198.56 2298.54 107.91 198.56 2302.79 107.91 198.56 2306.79 107.91 198.56 2311.04 107.91 198.56 2315.07 107.91 198.00 2319.32 107.92 197.20 2323.32 107.92 196.49 2327.57 107.92 195.76 2331.82 107.92 195.06 2336.07 107.92 194.39 2340.07 107.92 193.78 2344.32 107.92 193.15 2348.57 107.92 192.55 2352.82 107.92 191.97 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 95 95 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature 2357.07 107.92 191.42 2361.07 107.92 190.92 2365.32 107.92 190.40 2369.57 107.92 189.91 2373.82 107.92 189.44 2377.82 107.92 189.01 2382.07 107.92 188.57 2386.32 107.92 188.15 2390.57 107.92 187.75 2394.57 107.92 187.38 2398.82 107.92 187.01 2403.07 107.93 186.65 2407.32 107.93 186.30 2411.32 107.93 185.99 2415.57 107.93 185.67 2419.82 107.93 185.37 2424.07 107.93 185.07 2428.07 107.93 184.80 2432.32 107.93 184.53 2436.57 107.93 184.27 2440.82 107.93 184.02 2444.82 107.93 183.79 2449.07 107.93 183.56 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 96 WESTINGHOUSE NON-PROPRIETARY CLASS 3 96 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) ( 0 1F) 2453.32 107.93 183.33 2457.57 107.94 183.12 2461.82 107.94 182.91 2465.82 107.94 182.72 2470.07 107.94 182.53 2474.32 107.94 182.35 2478.57 107.94 182.17 2482.57 107.94 182.01 2486.82 107.94 181.85 2491.08 107.94 181.69 2495.32 107.94 181.54 2499.32 107.94 181.40 2503.57 107.95 181.26 2507.82 107.95 181.12 2512.07 107.95 180.99 2516.07 107.95 180.87 2520.32 107.95 180.75 2524.57 107.95 180.64 2528.82 107.95 180.52 2532.82 107.95 180.42 2537.07 107.95 180.32 2541.32 107.96 180.21 2545.57 107.96 180.12 LTR-CRA-06-96 attachimnt

WESTINGHOUSE NON-PROPRIETARY CLASS 3 97 97 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (OF) (OF) 2549.57 107.96 180.03 2553.82 107.96 179.94 2558.07 107.96 179.85 2562.32 107.96 179.77 2566.32 107.96 179.69 2570.57 107.96 179.61 2574.82 107.96 179.53 2579.07 107.96 179.46 2583.32 107.97 179.39 2587.32 107.97 179.33 2591.57 107.97 179.26 2595.82 107.97 179.20 2600.07 107.97 179.13 2604.07 107.97 179.08 2608.32 107.97 179.02 2612.57 107.97 178.96 2616.82 107.97 178.91 2620.82 107.98 178.86 2625.07 107.98 178.81 2629.32 107.98 178.76 2633.57 107.98 178.71 2637.57 107.98 178.66 2641.82 107.98 178.62 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 98 98 WESTINGHOUSE NON-PROPRIETARY CLASS Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower 7 Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 2646.07 107.98 178.57 2650.32 107.98 178.53 2654.32 107.99 178.49 2658.57 107.99 178.45 2662.82 107.99 178.41 2667.07 107.99 178.37 2671.07 107.99 178.34 2675.32 107.99 178.30 2679.57 107.99 178.27 2683.82 107.99 178.23 2688.07 107.99 178.20 2692.07 108.00 178.17 2696.32 108.00 178.14 2700.57 108.00 178.11 2704.82 108.00 178.07 2708.82 108.00 178.05 2713.07 108.00 178.02 2717.32 108.00 177.99 2721.57 108.00 177.96 2725.57 108.00 177.94 2729.82 108.01 177.91 2734.07 108.01 177.88 2738.32 108.01 177.86 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 99 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (0F)(F) 2742.32 108.01 177.83 2746.57 108.01 177.81 2750.82 108.01 177.78 2755.07 108.01 177.76 2759.07 108.01 177.74 2763.32 108.01 177.72 2767.57 108.02 177.69 2771.82 108.02 177.67 2775.82 108.02 177.65 2780.07 108.02 177.63 2784.32 108.02 177.61 2788.57 108.02 177.59 2792.82 108.02 177.57 2796.82 108.02 177.55 2801.07 108.02 177.53 2805.32 108.03 177.51 2809.57 108.03 177.49 2813.57 108.03 177.47 2817.82 108.03 177.45 2822.07 108.03 177.43 2826.32 108.03 177.41 2830.32 108.03 177.40 2834.57 108.03 177.38 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 100 100 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (O)(F) 2838.82 108.03 177.36 2843.07 108.04 177.34 2847.07 108.04 177.33 2851.32 108.04 177.31 2855.57 108.04 177.29 2859.82 108.04 177.28 2863.82 108.04 177.26 2868.07 108.04 177.24 2872.32 108.04 177.23 2876.57 108.04 177.21 2880.57 108.05 177.19 2884.82 108.05 177.18 2889.07 108.05 177.16 2893.32 108.05 177.15 2897.57 108.05 177.13 2901.57 108.05 177.11 2905.82 108.05 177.10 2910.07 108.05 177.08 2914.32 108.05 177.07 2918.32 108.06 177.05 2922.57 108.06 177.04 2926.82 108.06 177.02 2931.07 108.06 177.01 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 310 101 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (OF) (OF) 2935.07 108.06 176.99 2939.32 108.06 176.98 2943.57 108.06 176.96 2947.82 108.06 176.95 2951.82 108.06 176.93 2956.07 108.07 176.92 2960.32 108.07 176.90 2964.57 108.07 176.89 2968.57 108.07 176.87 2972.82 108.07 176.86 2977.07 108.07 176.84 2981.32 108.07 176.83 2985.32 108.07 176.82 2989.57 108.07 176.80 2993.82 108.08 176.79 2998.07 108.08 176.77 3002.32 108.08 176.76 3006.32 108.08 176.74 3010.57 108.08 176.73 3014.82 108.08 176.72 3019.07 108.08 176.70 3023.07 108.08 176.69 3027.32 108.08 176.67 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 310 102 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temper .ature (Sec) (OF) (OF) 3031.57 108.09 176.66 3035.82 108.09 176.65 3039.82 108.09 176.63 3044.07 108.09 176.62 3048.32 108.09 176.60 3052.57 108.09 176.59 3056.57 108.09 176.58 3060.82 108.09 176.56 3065.07 108.09 176.55 3069.32 108.09 176.53 3073.32 108.10 176.52 3077.57 108.10 176.51 3081.82 108.10 176.49 3086.07 108.10 176.48 3090.07 108.10 176.46 3094.32 108.10 176.45 3098.57 108.10 176.44 3102.82 108.10 176.42 3107.07 108.10 176.41 3111.07 108.11 176.40 311532 108.11 176.38 3119.57 108.11 176.37 3123.82 108.11 176.35 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 103 103 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 3127.82 108.11 176.34 3132.07 108.11 176.33 3136.32 108.11 176.31 3140.57 108.11 176.30 3144.57 108.11 176.28 3148.82 108.11 176.27 3153.07 108.12 176.26 3157.32 108.12 176.24 3161.32 108.12 176.23 3165.57 108.12 176.22 3169.82 108.12 176.20 3174.07 108.12 176.19 3178.07 108.12 176.17 3182.32 108.12 176.16 3186.57 108.12 176.15 3190.82 108.13 176.13 3194.82 108.13 176.12 3199.07 108.13 176.10 3203.32 108.13 176.09 3207.57 108.13 176.08 3211.82 108.13 176.06 3215.82 108.13 176.05 3220.07 108.13 176.04 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 310 104 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 3224.32 108.13 176.02 3228.57 108.13 176.01 3232.57 108.14 175.99 3236.82 108.14 175.98 3241.07 108.14 175.97 3245.32 108.14 175.95 3249.32 108.14 175.94 3253.57 108.14 175.93 3257.82 108.14 175.91 3262.07 108.14 175.90 3266.07 108.14 175.88 3270.32 108.14 175.87 3274.57 108.15 175.86 3278.82 108.15 175.84 3282.82 108.15 175.83 3287.07 108.15 175.81 3291.32 108.15 175.80 3295.57 108.15 175.79 3299.57 108.15 175.77 3303.82 108.15 175.76 3308.07 108.15 175.74 3312.32 108.15 175.73 3316.32 108.16 175.72 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 310 105 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) M (F) 3320.57 108.16 175.70 3324.82 108.16 175.69 3329.07 108.16 175.68 3333.32 108.16 175.66 3337.32 108.16 175.65 3341.57 108.44 175.64 3345.82 109.08 175.67 3350.07 109.67 175.70 3354.07 110.19 175.74 3358.32 110.69 175.79 3362.57 111.16 175.84 3366.82 111.60 175.89 3370.82 111.97 175.95 3375.07 112.35 176.01 3379.32 112.73 176.08 3383.57 113.12 176.15 3387.57 113.50 176.22 3391.82 113.92 176.31 3396.07 114.36 176.39 3400.32 114.81 176.48 3404.32 115.24 176.58 3408.57 115.72 176.68 3412.82 116.21 176.78 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 310 106 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (OF) (OF) 3417.07 116.71 176.90 3421.07 117.19 177.01 3425.32 117.71 177.13 3429.57 118.24 177.26 3433.82 118.78 177.39 3438.07 119.33 177.53 3442.07 119.86 177.66 3446.32 120.43 177.81 3450.57 121.03 177.97 3454.82 121.60 178.13 3458.82 122.17 178.28 3463.07 121.47 178.37 3467.32 120.60 178.43 3471.57 119.95 178.49 3475.57 119.49 178.54 3479.82 119.14 178.59 3484.07 118.91 178.63 3488.32 118.76 178.68 3492.32 118.70 178.72 3496.57 118.69 178.76 3500.82 118.73 178.81 3505.07 118.81 178.86 3509.07 118.92 178.90 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 107 107 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OD) (OF) 3513.32 119.07 178.95 3517.57 119.24 179.00 3521.82 119.43 179.05 3525.82 119.62 179.10 3530.07 119.85 179.16 3534.32 120.08 179.22 3538.57 120.33 179.28 3542.82 120.58 179.34 3546.82 120.83 179.41 3551.07 121.11 179.47 3555.32 121.39 179.54 3559.57 121.68 179.62 3563.57 121.96 179.69 3567.82 122.26 179.77 3572.07 122.57 179.85 3576.32 122.89 179.93 3580.32 123.19 180.01 3584.57 123.52 180.10 3588.82 123.86 180.19 3593.07 124.20 180.29 3597.07 124.53 180.38 -

3601.32 124.88 180.48 3605.57 125.24 180.58 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 310 108 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature M0f (OF)

(Sec) 3609.82 125.61 180.69 3613.82 125.96 180.79 3618.07 126.33 180.90 3622.32 126.72 181.01 3626.57 127.11 181.13 3630.57 127.49 181.24 3634.82 127.89 181.36 3639.07 128.30 181.49 3643.32 128.72 181.62 3647.57 129.15 181.75 3651.57 129.56 181.87 3655.82 130.00 182.01 3660.07 130.44 182.15 3664.32 130.89 182.29 3668.32 131.33 182.43 3672.57 131.79 182.58 3676.82 132.71 182.62 3681.07 134.10 182.74 3685.07 135.56 183.00 3689.32 136.54 182.64 3693.57 136.12 182.79 3697.82 136.00 182.96 3701.82 136.08 183.12 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 310 109 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment rime Temperature Temperature 3706.07 136.31 183.30 3710.32 136.64 183.48 3714.57 137.05 183.67 3718.57 137.48 183.85 3722.82 137.97 184.05 3727.07 138.47 184.24 3731.32 138.98 184.44 3735.32 139.46 184.63 3739.57 139.96 184.84 3743.82 140.45 185.04 3748.07 140.92 185.24 3752.32 141.37 185.44 3756.32 141.78 185.63 3760.57 142.19 185.83 3764.82 142.59 186.03 3769.07 142.96 186.22 3773.07 143.30 186.40 3777.32 143.63 186.60 3781.57 143.95 186.79 3785.82 144.26 186.98 3789.82 144.53 187.15 3794.07 144.80 187.33 3798.32 145.06 187.51 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 310 110 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature 3 F)

(O (See) MF 3802.57 145.31 187.69 3806.57 145.54 187.85 3810.82 145.76 188.02 3815.07 145.98 188.19 3819.32 146.19 188.35 3823.32 146.38 188.50 3827.57 146.58 188.66 3831.82 146.76 188.82 3836.07 146.94 188.97 3840.07 147.11 189.11 3844.32 147.28 189.26 3848.57 147.28 189.39 3852.82 146.18 189.43 3857.07 145.37 189.47 3861.07 144.82 189.51 3865.32 144.39 189.55 3869.57 144.11 189.60 3873.82 143.93 189.65 3877.82 143.84 189.70 3882.07 143.80 189.75 3886.32 143.82 189.80 3890.57 143.87 189.86 3894.57 143.95 189.91 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 III 111 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (OD) @0F) 3898.82 144.05 189.96 3903.07 144.16 190.02 3907.32 144.29 190.08 3911.32 144.41 190.13 3915.57 144.54 190.19 3919.82 144.68 190.25 3924.07 144.81 190.31 3928.07 144.94 190.36 3932.32 145.07 190.42 3936.57 145.20 190.48 3940.82 145.33 190.53 3944.82 145.45 190.59 3949.07 145.57 190.64 3953.32 145.69 190.70 3957.57 145.80 190.76 3961.57 145.90 190.81 3965.82 146.01 190.86 3970.07 146.12 190.92 3974.32 146.22 190.97 3978.57 146.32 191.02 3982.57 146.41 191.07 3986.82 146.50 191.12 3991.07 146.59 191.18 LTR-CRA-06-96 attachrmnt

WESTINGHOUSE NON-PROPRIETARY CLASS 312 112 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (0 1F) 3995.32 146.68 191.23 3999.32 146.76 191.27 4014.07 147.07 191.45 4031.07 147.41 191.64 4048.07 147.72 191.83 4064.07 147.99 192.00 4081.07 148.27 192.17 4098.07 148.54 192.34 4115.07 148.79 192.50 4131.07 149.02 192.64 4148.07 149.25 192.79 4165.07 149.47 192.93 4182.07 149.69 193.07 4198.07 149.89 193.19 4215.07 150.09 193.31 4232.07 150.29 193.43 4249.07 150.47 193.55 4265.07 150.65 193.65 4282.07 150.82 193.75 4299.07 151.00 193.85 4316.07 151.16 193.95 4333.07 151.32 194.04 4349.07 151.47 194.13 LT'R-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 313 113 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 4366.07 151.62 194.21 4383.07 151.77 194.30 4400.07 151.91 194.38 4416.07 152.04 194.45 4433.07 152.17 194.52 4450.07 152.31 194.59 4467.07 152.43 194.66 4483.07 152.55 194.72 4500.07 152.67 194.78 4517.07 152.79 194.84 4534.07 152.90 194.90 4550.07 153.00 194.95 4567.07 153.11 195.00 4584.07 153.22 195.05 4601.07 153.32 195.10 4617.07 153.41 195.15 4634.07 153.51 195.19 4651.07 153.60 195.23 4668.07 153.69 195.27 4684.07 153.78 195.31 4701.07 153.86 195.35 4718.07 153.95 195.39 4735.07 154.03 195.42 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 114 114 WESTINGHOUSE NON-PROPRIETARY CLASS Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 4752.07 154.11 195.45 4768.07 154.18 195.48 4785.07 154.26 195.52 4802.07 154.34 195.54 4819.07 154.41 195.57 4835.07 154.48 195.60 4852.07 154.54 195.62 4869.07 154.61 195.65 4886.07 154.68 195.67 4902.07 154.74 195.69 4919.07 154.80 195.71 4936.07 154.86 195.73 4953.07 154.92 195.75 4969.07 154.98 195.77 4986.07 155.03 195.79 5059.97 155.44 195.50 5307.09 156.73 196.07 5574.41 157.30 196.06 5868.14 157.10 195.45 6188.41 157.69 196.03 6537.77 157.45 195.33 6921.99 157.81 194.75 1 7298.83 157.94 194.20 LTR-CRA-06--96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 115 115 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (OF) 0Mf (Sec) 7641.47 157.36 194.13 7959.75 157.69 194.20 8325.62 157.55 193.24 8622.51 157.43 193.62 8970.63 157.15 192.70 9324.32 156.68 192.54 9663.76 156.88 192.56 10011.68 156.22 191.86 10395.40 156.50 192.04 10742.07 155.85 192.00 11106.42 156.12 192.44 11468.62 156.04 192.66 11837.97 155.59 192.01 12210.16 155.94 192.15 12632.56 156.01 190.90 13023.92 155.86 190.59 13426.44 155.15 191.14 13838.92 155.48 190.37 14236.34 154.84 190.52 14606.32 154.71 190.02 15021.29 154.95 190.27 15422.77 154.21 189.63 15832.13 154.57 189.83 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 116 116 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF~) (OF) 16220.58 154.24 189.65 16633.01 153.69 188.73 17067.48 153.76 189.21 17492.89 153.27 188.14 17936.37 153.30 188.34 18350.87 153.02 188.03 18800.63 152.62 187.09 19232.70 152.45 187.39 19679.46 151.83 186.63 20103.44 151.85 186.17 20551.80 151.45 186.77 20989.47 151.41 185.90 21449.20 150.96 186.28 21894.45 150.69 186.31 22327.60 150.92 185.54 22771.13 150.35 185.67 23230.61 150.58 185.12 23641.89 150.39 185.24 24098.41 149.77 184.72 24558.92 149.91 184.98 25001.64 149.39 184.38 25424.30 149.22 184.03 25887.81 149.29 184.6 LTRACRA-06-96 attachrmnt

WESTINGHOUSE NON-PROPRIETARY CLASS 317 117 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (0 FD (OF) 26341.82 148.92 183.67 26829.11 148.98 183.79 27276.60 148.60 183.80 27747.67 148.46 182.93 28223.70 148.05 183.49 28686.80 148.13 182.75 29184.45 147.62 182.86 29648.45 147.40 182.65 30123.70 147.52 182.05 30598.98 146.96 182.20 31088.95 147.18 181.67 31521.29 146.95 181.88 32010.72 146.40 181.15 32500.46 146.53 181.40 32977.08 145.92 180.83 33429.84 145.82 180.42 33923.66 145.84 180.95 34407.25 145.39 180.06 34911.11 145.44 180.33 35380.18 145.10 180.35 35893.33 145.04 179.44 36420.38 144.50 179.51 36935.99 144.60 178.81 LTR-CRA-06-96 attachment

WESTTNGHOUSE NON-PROPRIETARY CLASS 3 118 118 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature 0M F (OF)

(See) 37408.14 144.37 178.65 37923.59 143.75 178.91 38441.00 143.93 178.53 38943.91 143.22 178.52 39405.39 143.11 177.93 39922.37 143.32 178.02 40442.48 142.69 177.39 40942.93 142.76 178.13 41447.87 142.25 177.69 41946.38 142.54 177.67 42446.68 142.07 177.94 42969.71 142.32 177.00 43490.26 141.77 177.06 43971.02 141.70 176.51 44503.20 141.91 176.70 45026.57 141.19 176.34 45527.63 141.45 176.93 46065.92 141.09 176.63 46596.58 141.29 175.91 47112.01 140.74 176.02 47629.54 141.01 175.90 48117.23 140.93 175.76 1 48666.37 140.45 175.01 A

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WESTINGHOUSE NON-PROPRIETARY CLASS 319 119 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 49195.62 140.51 175.63 49717.57 139.95 175.27 50251.88 140.31 174.92 50796.55 139.76 175.11 51309.71 140.03 175.11 51826.90 139.54 174.59 52308.72 139.46 174.43 52850.06 139.54 174.80 53395.45 139.52 174.13 53941.73 139.07 174.51 54436.28 138.88 174.10 54956.98 139.12 174.13 55478.67 138.63 173.64 56003.24 138.86 174.01 56530.13 138.42 173.35 57059.89 138.62 173.20 57612.50 138.18 173.57 58155.37 138.37 172.90 58685.34 137.85 172.99 59175.23 137.73 172.67 59708.84 137.95 173.04 60243.61 137.51 172.40 60796.13 137.59 172.83 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 120 120 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (MF (OF) 61334.95 137.31 172.79 61870.00 137.51 172.22 62397.98 137.01 172.30 62927.72 137.28 172.42 63423.80 137.20 172.44 63959.72 136.81 171.76 64521.57 136.92 172.12 65086.47 136.93 171.47 65621.75 136.84 171.36 66160.05 136.36 171.46 66697.02 136.60 171.56 67233.87 136.15 171.14 67734.73 136.10 171.07 68295.06 136.21 171.48 68856.38 136.25 170.84 69423.55 135.88 171.21 69989.64 136.05 170.63 70499.50 135.96 170.95 71047.52 135.51 170.49 71613.16 135.74 170.92 72170.60 135.36 170.31 72732.27 135.58 170.17 73318.93 135.23 170.53 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 121 121 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (O~F) (F 73903.26 135.39 169.93 74465.95 134.92 170.01 74990.39 134.84 169.75 75558.55 135.09 170.12 76133.61 134.67 169.55 76717.41 134.80 169.91 77307.70 134.52 169.84 77886.05 134.70 169.24 78467.70 134.24 169.28 79050.85 134.50 169.42 79590.86 134.39 169.44 80168.17 134.02 168.79 80775.68 134.11 169.19 81385.53 134.16 168.62 81952.78 134.06 168.57 82532.61 133.62 168.66 83108.64 133.90 168.55 83696.91 133.50 168.07 84281.20 133.75 168.42 84824.41 133.60 168.27 85416.44 133.58 167.66 86029.89 133.22 168.19 86591.66 133.41 1 167.78 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 312 122 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (DF) 87115.39 133.30 168.04 87689.74 132.91 167.60 88264.14 133.21 167.91 88843.19 132.87 167.26 89427.34 133.06 167.13 90030.23 132.75 167.55 90627.55 132.92 166.97 91203.32 132.48 167.05 91738.92 132.42 166.77 92324.56 132.67 167.15 92907.88 132.31 166.55 93512.09 132.43 166.95 94099.17 132.21 166.87 94690.67 132.39 166.29 95274.6713.56.9 95850.0913.06.4 96394.8113.36.5 96987.8213.36.0 97589.7713.86.4 98207.85 131.92 159 98824.49 131.58 163 99369.81 131.45 159 99967.41 131.70 160 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 123 123 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (OF) (OIF) 100557.7 131.31 165.57 101157.1 131.56 165.98 101726.9 131.42 165.92 102346.8 131.44 165.37 102969.5 131.15 165.81 103571.0 131.32 165.25 104121.5 131.22 165.54 104723.5 130.85 165.17 105330.0 131.10 165.60 105927.7 130.76 165.03 106533.4 131.03 164.93 107154.9 130.75 165.34 107763.6 130.91 164.76 108374.4 130.53 164.88 108929.7 130.48 164.65 109549.4 130.70 165.13 110153.2 130.39 164.52 110777.0 130.54 164.93 111400.7 130.32 164.90 112006.8 130.51 164.32 112627.1 130.13 164.42 113242.0 130.38 164.60 113846.9 129.99 164.21 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 124 124 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF (F) 114418.7 130.00 164.13 115061.0 130.14 164.52 115715.2 130.18 163.87 116380.3 129.91 164.22 116987.4 129.75 163.81 117616.0 130.00 163.94 118237.4 129.59 163.56 118851.1 129.85 164.00 119461.9 129.70 163.91 120116.8 129.78 163.30 120777.3 129.46 163.77 121390.1 129.63 163.30 121973.4 129.59 163.55 122614.4 129.23 163.04 123258.2 129.45 163.48 123891.7 129.12 162.94 124532.1 129.36 162.90 125198.8 129.05 163.34 125834.8 129.23 162.77 126483.0 128.87 162.82 127080.1 128.81 162.54 127738.1 129.07 162.86 128402.0 128.77 162.23 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 125 125 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (F 129085.3 128.89 162.57 129772.8 128.87 162.09 130395.3 128.82 162.19 131026.0 128.46 162.08 131701.2 128.76 162.14 132391.5 128.46 161.48 133032.5 128.28 161.53 133695.6 128.33 162.12 134387.5 128.48 161.51 135031.1 128.07 161.55 135646.6 128.13 161.23 136337.4 128.25 161.58 137030.5 127.99 161.00 137705.8 127.97 161.59 138362.6 127.81 161.24 139026.4 128.00 161.35 139677.1 127.73 160.81 140365.8 127.87 161.23 141005.0 127.67 161.26 141702.8 127.78 160.56 142395.0 127.45 161.15 143042.7 127.65 160.74 143671.2 127.58 160.82 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 312 126 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (Of) (OF) 144326.9 127.18 160.50 144989.8 127.43 160.87 145651.9 127.09 160.39 146308.2 127.31 160.33 146982.3 127.15 160.55 147658.3 126.93 160.02 148341.6 127.14 160.32 149046.0 126.83 159.97 149696.0 126.73 160.22 150360.6 126.94 159.72 151018.5 126.86 160.07 151704.4 126.63 159.52 152357.0 126.50 159.64 153058.7 126.81 159.34 153705.6 126.56 159.87 154364.0 126.42 159.34 155005.5 126.34 159.29 155716.9 126.59 159.44 156416.0 126.25 159.65 157070.8 126.42 159.01 157685.8 126.12 159.07 158385.7 126.38 159.26 159083.8 126.05 159.42 LTR-CRA-06-96 attachment i

WESTINGHOUSE NON-PROPRIETARY CLASS 312 127 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OF) 159744.2 126.26 158.93 160379.9 126.17 158.74 161077.8 126.21 158.96 161790.0 125.97 158.95 162504.5 125.88 158.53 163178.7 125.74 158.90 163841.0 125.87 158.27 164567.6 125.98 158.50 165249.8 125.74 158.66 165953.8 125.62 158.27 166630.2 125.54 158.54 167301.7 125.59 158.01 168027.3 125.75 158.22 168719.7 125.52 158.38 169381.6 125.63 158.33 170115.5 125.31 158.27 170795.4 125.35 157.74 171531.7 125.51 157.93 172205.7 125.44 157.63 172902.0 125.40 158.05 173628.4 125.08 158.10 174279.8 125.06 157.62 174956.0 124.99 157.71 A

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WESTINGHOUSE NON-PROPRIETARY CLASS 312 128 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (Sec) (OF) (OFi) 175643.7 125.17 157.52 176354.6 125.20 157.58 177086.6 125.04 157.72 177783.9 125.12 157.30 178467.5 124.97 157.64 179207.9 124.73 157.42 179907.9 124.64 157.05 180584.5 124.60 157.30 181301.6 124.64 156.82 182019.8 124.80 156.84 182737.8 124.77 157.12 183454.6 124.51 157.19 184136.9 124.67 156.99 184853.4 124.41 157.07 185586.3 124.34 156.62 186285.0 124.40 156.49 186988.4 124.26 156.49 187699.8 124.32 156.32 188454.1 124.40 156.37 189142.8 124.27 156.71 189859.5 124.31 156.27 190563.2 124.18 156.55 191331.5 123.93 156.39 I

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WESTINGHOUSE NON-PROPRIETARY CLASS 312 129 Table 2-7 Containment Upper and Lower Compartment Temperature Upper Lower Compartment Compartment Time Temperature Temperature (See) (OF) (0 F) 192034.6 123.88 155.97 192753.3 123.84 156.26 193457.4 123.78 155.84 194214.0 123.98 155.66 194929.9 123.92 155.99 195635.5 123.88 155.54 196352.5 123.83 155.87 197088.6 123.67 155.88 197827.4 123.45 155.78 198514.5 123.58 155.75 199255.0 123.35 155.65 199982.8 123.44 155.16 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 313 130 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump rime Temperature Temperature (seconds) (OF) (OF) 2.00 189.99 .00 10.00 189.98 .00 11.96 189.98 .00 22.93 189.96 .00 38.93 189.32 .00 55.93 187.92 .00 72.93 186.66 .00 89.51 185.67 .00 105.03 184.83 .00 122.03 184.03 .00 139.03 183.29 .00 156.03 182.60 .00 172.03 181.98 .00 189.03 181.35 .00 206.03 180.76 .00 223.03 180.23 .00 237.06 179.72 .00 252.04 178.91 .00 269.04 178.06 .00 286.04 177.25 .00 302.04 176.54 .00 319.04 175.81 .00 336.04 175.12 .00 353.04 174.47 .00 369.04 173.87 .00 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 131 131 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OFl) (OF) 386.04 173.27 .00 403.04 172.69 .00 420.04 172.14 .00 437.04 171.61 .00 453.04 171.13 .00 470.04 170.64 .00 487.04 170.16 .00 504.04 169.71 .00 520.04 169.30 .00 537.04 168.87 .00 554.04 168.47 .00 571.04 168.08 .00 585.24 167.77 .00 599.53 167.63 .00 616.53 167.47 .00 633.53 167.32 .00 649.53 167.17 .00 666.53 167.02 .00 683.53 166.87 .00 700.53 166.73 .00 716.53 166.59 .00 733.53 166.45 .00 750.53 166.31 .00 767.53 166.18 .00 783.53 166.05 .00 800.53 165.92 .00 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 313 132 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (01) (OF) 817.53 165.79 .00 833.74 165.68 .00 850.74 165.57 .00 866.74 165.47 .00 883.74 165.37 .00 900.74 165.27 .00 917.74 165.17 .00 933.74 165.08 .00 950.74 164.99 .00 967.74 164.90 .00 984.74 164.81 .00 1000.74 164.73 .00 1017.74 164.65 164.67 1034.74 164.57 164.63 1051.74 164.48 164.59 1067.74 164.41 164.55 1084.74 164.33 164.51 1101.74 164.26 164.47 1118.74 164.18 164.43 1134.74 164.11 164.40 1151.74 164.04 164.36 1168.74 163.97 164.32 1185.74 163.90 164.29 1201.74 163.84 164.25 1218.74 163.77 164.22 1235.74 163.71 164.18 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 133 133 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 1252.74 163.64 164.15 1269.74 163.58 164.11 1285.74 163.52 164.08 1302.74 163.46 164.05 1319.74 163.40 164.01 1336.74 163.35 163.98 1352.74 163.29 163.95 1369.74 163.24 163.92 1386.74 163.18 163.89 1403.74 163.13 163.86 1419.74 163.08 163.83 1436.74 163.03 163.80 1453.74 162.98 163.77 1470.74 162.93 163.74 1486.74 162.89 163.71 1503.74 162.84 163.68 1520.74 162.80 163.66 1537.74 162.75 163.63 1553.74 162.71 163.60 1570.74 162.67 163.58 1587.74 162.63 163.55 1604.74 162.59 163.52 1620.74 162.56 163.50 1635.76 162.52 163.48 1652.76 162.46 163.46 1669.76 162.41 163.44 GL LTR-CRA-06-96 attachment

WESTTNGHOUSE NON-PROPRIETARY CLASS 33 134 134 WEST11~GHOUSE NON-PROPRIETARY CLASS Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) ( 0 1F) (OF) 1685.76 162.36 163.43 1702.76 162.30 163.41 1718.29 162.21 163.39 1735.29 162.09 163.37 1752.29 161.98 163.35 1768.29 161.87 163.33 1785.29 161.76 163.31 1802.29 161.65 163.28 1819.29 161.54 163.26 1835.29 161.44 163.24 1852.29 161.33 163.21 1869.29 161.22 163.18 1886.29 161.12 163.15 1902.29 161.02 163.12 1919.29 160.91 163.10 1936.29 160.81 163.07 1953.29 160.70 163.04 1969.29 160.61 163.01 1986.29 160.51 162.98 2001.04 160.42 162.95 2005.29 160.39 162.94 2009.29 160.37 162.93 2013.54 160.35 162.92 2017.79 160.32 162.92 2022.04 160.30 162.91 2026.04 160.27 162.90 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 135 135 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 2030.29 160.25 162.89 2034.54 160.22 162.88 2038.79 160.20 162.88 2043.04 160.17 162.87 2047.04 160.15 162.86 2051.29 160.13 162.85 2055.54 160.10 162.84 2059.79 160.08 162.83 2063.79 160.06 162.83 2068.04 160.03 162.82 2072.29 160.01 162.81 2076.54 159.98 162.80 2080.54 159.96 162.79 2084.79 159.94 162.79 2089.04 159.91 162.78 2093.29 159.89 162.77 2097.29 159.87 162.76 2101.54 159.84 162.75 2105.79 159.82 162.74 2110.04 159.79 162.73 2114.04 159.77 162.73 2118.29 159.75 162.72 2122.54 159.73 162.71 2126.79 159.70 162.70 2130.79 159.68 162.69 2135.04 159.66 162.68 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 136 136 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump rlime Temperature Temperature (seconds) (OF) (OF) 2139.29 159.63 162.67 2143.54 159.61 162.67 2147.79 159.59 162.66 2151.79 159.56 162.65 2156.04 159.54 162.64 2160.29 159.52 162.63 2164.54 159.49 162.62 2168.54 159.47 162.61 2172.79 159.45 162.61 2177.04 159.43 162.60 2181.29 159.40 162.59 2185.29 159.38 162.58 2189.54 159.36 162.57 2193.79 159.34 162.56 2198.04 159.31 162.55 2202.04 159.29 162.54 2206.29 159.27 162.54 2210.54 159.25 162.53 2214.79 159.23 162.52 2218.79 159.20 162.51 2223.04 159.18 162.50 2227.29 159.16 162.49 2231.54 159.14 162.48 2235.54 159.12 162.47 2239.79 159.09 162.46 2244.04 159.07 162.46 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 137 137 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sumnp Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (0 f) (O~F) 2248.29 159.05 162.45 2252.54 159.03 162.44 2256.54 159.01 162.43 2260.79 158.99 162.42 2265.04 158.96 162.41 2269.29 158.94 162.40 2273.29 158.92 162.39 2277.54 158.90 162.38 2281.79 158.88 162.37 2286.04 158.86 162.36 2290.04 158.84 162.36 2294.29 158.81 162.35 2298.54 158.79 162.34 2302.79 158.77 162.33 2306.79 158.75 162.32 2311.04 158.73 162.31 2315.07 158.71 162.30 2319.32 158.64 162.30 2323.32 158.58 162.29 2327.57 158.51 162.28 2331.82 158.44 162.27 2336.07 158.38 162.27 2340.07 158.31 162.26 2344.32 158.25 162.25 2348.57 158.18 162.25 2352.82 158.11 162.24 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 138 WESTINGHOUSE NON-PROPRIETARY CLASS 3 138 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 2357.07 158.05 162.23 2361.07 157.98 162.22 2365.32 157.92 162.21 2369.57 157.85 162.21 2373.82 157.78 162.20 2377.82 157.72 162.19 2382.07 157.66 162.18 2386.32 157.59 162.17 2390.57 157.52 162.16 2394.57 157.46 162.16 2398.82 157.40 162.15 2403.07 157.33 162.14 2407.32 157.26 162.13 2411.32 157.20 162.12 2415.57 157.14 162.11 2419.82 157.07 162.10 2424.07 157.01 162.09 2428.07 156.95 162.09 2432.32 156.88 162.08 2436.57 156.82 162.07 2440.82 156.75 162.06 2444.82 156.69 162.05 2449.07 156.63 162.04 2453.32 156.56 162.03 2457.57 156.50 162.02 2461.82 156.43 162.01 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPREETARY CLASS 3 139 139 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 2465.82 156.37 162.00 2470.07 156.31 161.99 2474.32 156.24 161.98 2478.57 156.18 161.97 2482.57 156.12 161.96 2486.82 156.05 161.95 2491.07 155.99 161.94 2495.32 155.93 161.93 2499.32 155.87 161.92 2503.57 155.80 161.91 2507.82 155.74 161.90 2512.07 155.68 161.88 2516.07 155.62 161.87 2520.32 155.55 161.86 2524.57 155.49 161.85 2528.82 155.43 161.84 2532.87 155.37 161.83 2537.07 155.31 161.82 2541.32 155.24 161.81 2545.57 155.18 161.80 2549.57 155.12 161.79 2553.82 155.06 161.77 2558.07 155.00 161.76 2562.32 154.94 161.75 2566.32 154.88 161.74 2570.57 154.81 161.73 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CtASS 3 140 140 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 2574.82 154.75 161.72 2579.07 154.69 161.70 2583.32 154.63 161.69 2587.32 154.57 161.68 2591.57 154.51 161.67 2595.82 154.45 161.66 2600.07 154.39 161.64 2604.07 154.33 161.63 2608.32 154.27 161.62 2612.57 154.21 161.61 2616.82 154.15 161.60 2620.82 154.09 161.58 2625.07 154.03 161.57 2629.32 153.97 161.56 2633.57 153.91 161.55 2637.57 153.85 161.53 2641.82 153.79 161.52 2646.07 153.73 161.51 2650.32 153.67 161.50 2654.32 153.61 161.48 2658.57 153.55 161.47 2662.82 153.49 161.46 2667.07 153.43 161.44 2671.07 153.37 161.43 2675.32 153.31 161.42 2679.57 153.25 161.41 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 141 141 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 2683.82 153.19 161.39 2688.07 153.14 161.38 2692.07 153.08 161.37 2696.32 153.02 161.35 2700.57 152.96 161.34 2704.82 152.90 161.33 2708.82 152.85 161.31 2713.07 152.79 161.30 2717.32 152.73 161.29 2721.57 152.67 161.27 2725.57 152.61 161.26 2729.82 152.55 161.25 2734.07 152.50 161.23 2738.32 152.44 161.22 2742.32 152.38 161.20 2746.57 152.32 161.19 2750.82 152.27 161.18 2755.07 152.21 161.16 2759.07 152.15 161.15 2763.32 152.09 161.13 2767.57 152.04 161.12 2771.82 151.98 161.11 2775.82 151.93 161.09 2780.07 151.87 161.08 2784.32 151.81 161.06 2788.57 151.75 161.05 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 314 142 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (O'F) C0) 2792.82 151.69 161.04 2796.82 151.64 161.02 2 2801.07 151.58 161.01 2805.32 151.53 160.99 2809.57 151.47 160.98 2813.57 151.42 160.96 2817.82 151.36 160.95 2822.07 151.30 160.93 2826.32 151.24 160.92 2830.32 151.19 160.91 2834.57 151.13 160.89 2838.82 151.08 160.88 2843.07 151.02 160.86 2847.07 150.97 160.85 2851.32 150.91 160.83 2855.57 150.86 160.82 2859.82 150.80 160.80 2863.82 150.75 160.79 2868.07 150.69 160.77 2872.32 150.64 160.76 2876.57 150.58 160.74 2880.57 150.53 160.73 2884.82 150.47 160.71 2889.07 150.42 160.70 2893.32 150.36 160.68 2897.57 150.31 160.67 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY dASS 3 143 143 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 2901.57 150.25 160.65 2905.82 150.20 160.64 2910.07 150.14 160.62 2914.32 150.09 160.60 2918.32 150.04 160.59 2922.57 149.98 160.57 2926.82 149.93 160.56 2931.07 149.87 160.54 2935.07 149.82 160.53 2939.32 149.76 160.51 2943.57 149.71 160.50 2947.82 149.66 160.48 2951.82 149.60 160.47 2956.07 149.55 160.45 2960.32 149.50 160.43 2964.57 149.44 160.42 296857 19.39160.40 297282 19.34160.39 297707 19.28160.37 298132 19.23160.36 2985.32 149.18 103 2989.57 149.12 103 2993.82 149.07 103 2998.07 149.02 102 3002.32 148.96 160.28 3006.32 148.91 160.26 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 144 144 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump rlime Temperature Temperature (seconds) (OF) (OFI) 3010.57 148.86 160.24 3014.82 148.81 160.23 3019.07 148.75 160.21 3023.07 148.70 160.20 3027.32 148.65 160.18 3031.57 148.60 160.16 3035.82 148.55 160.15 3039.82 148.50 160.13 3044.07 148.44 160.12 3048.32 148.39 160.10 3052.57 148.34 160.08 3056.57 148.29 160.07 3060.82 148.24 160.05 3065.07 148.18 160.03 3069.32 148.13 160.02 3073.32 148.08 160.00 3077.57 148.03 159.99 3081.82 147.98 159.97 3086.07 147.93 159.95 3090.07 147.88 159.94 3094.32 147.83 159.92 3098.57 147.77 159.90 3102.82 147.72 159.89 3107.07 147.67 159.87 3111.07 147.62 159.85 3115.32 147.57 159.84 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 314 145 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump T"Ime Temperature Temperature (seconds) MF (OF) 3119.57 147.52 159.82 3123.82 147.47 159.80 3127.82 147.42 159.79 3132.07 147.37 159.77 3136.32 147.32 159.75 3140.57 147.27 159.74 3144.57 147.22 159.72 3148.82 147.17 159.70 3153.07 147.12 159.69 3157.32 147.07 159.67 3161.32 147.02 159.65 3165.57 146.97 159.64 3169.82 146.92 159.62 3174.07 146.87 159.60 3178.07 146.82 159.59 3182.32 146.77 159.57 3186.57 146.72 159.55 3190.82 146.67 159.53 3194.82 146.62 159.52 3199.07 146.57 159.50 3203.32 146.52 159.48 3207.57 146.47 159.47 3211.82 146.42 159.45 3215.82 146.37 159.43 3220.07 146.32 159.42 3224.32 146.27 159.40 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 146 146 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump lime Temperature Temperature (seconds) (OF) (OF) 3228.57 146.23 159.38 3232.57 146.18 159.36 3236.82 146.13 159.35 3241.07 146.08 159.33 3245.32 146.03 159.31 3249.32 145.98 159.30 3253.57 145.93 159.28 3257.82 145.89 159.26 3262.07 145.84 159.24 3266.07 145.79 159.23 3270.32 145.74 159.21 3274.57 145.69 159.19 3278.82 145.64 159.17 3282.82 145.60 159.16 3287.07 145.55 159.14 3291.32 145.50 159.12 3295.57 145.45 159.11 3299.57 145.41 159.09 3303.82 145.36 159.07 3308.07 145.31 159.05 3312.32 145.26 159.04 3316.32 145.22 159.02 3320.57 145.17 159.00 3324.82 145.12 158.98 3329.07 145.07 158.97 3333.32 145.03 158.95 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 147 147 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 3337.32 144.98 158.93 3341.57 144.94 158.92 3345.82 144.92 158.91 3350.07 144.90 158.91 3354.07 144.88 158.91 3358.32 144.86 158.90 3362.57 144.84 158.90 3366.82 144.82 158.89 3370.82 144.80 158.89 3375.07 144.78 158.88 3379.32 144.76 158.88 3383.57 144.74 158.88 3387.57 144.72 158.87 3391.82 144.70 158.87 3396.07 144.68 158.86 3400.32 144.66 158.86 3404.32 144.65 158.85 3408.57 144.62 158.85 3412.82 144.60 158.85 3417.07 144.58 158.84 3421.07 144.57 158.84 3425.32 144.55 158.83 3429.57 144.53 158.83 3433.82 144.51 158.82 3438.07 144.49 158.82 3442.07 144.47 158.82 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY dASS 3 148 148 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature 0M (seconds) ( 0 1) F 3446.32 144.45 158.81 3450.57 144.43 158.81 3454.82 144.41 158.80 3458.82 144.39 158.80 3463,07 144.36 158.80 3467.32 144.32 158.79 3471.57 144.28 158.79 3475.57 144.25 158.78 3479.82 144.21 158.78 3484.07 144.17 158.77 3488.32 144.13 158.77 3492.32 144.10 158.77 3496.57 144.06 158.76 3500.82 144.02 158.76 3505.07 143.98 158.75 3509.07 143.95 158.75 3513.32 143.91 158.75 3517.57 143.87 158.74 3521.82 143.83 158.74 3525.82 143.80 158.73 3530.07 143.76 158.73 3534.32 143.72 158.73 3538.57 143.69 158.72 3542.82 143.65 158.72 3546.82 143.62 158.72 3551.07 143.58 158.71 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 149 149 WESTINGHOUSE NON-PROPRIETARY CLASS Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 3555.3 2 143.55 158.71 3559.57 143.51 158.70 3563.57 143.48 158.70 3567.82 143.44 158.70 3572.07 143.41 158.69 3576.32 143.38 158.69 3580.32 143.34 158.69 3584.57 143.31 158.68 3588.82 143.28 158.68 3593.07 143.24 158.68 3597.07 143.21 158.67 3601.32 143.18 158.67 3605.57 143.15 158.67 3609.82 143.12 158.66 3613.82 143.09 158.66 3618.07 143.06 158.66 3622.32 143.03 158.65 3626.57 143.00 158.65 3630.57 142.97 158.65 3634.82 142.94 158.64 3639.07 142.91 158.64 3643.32 142.88 158.64 3647.57 142.85 158.63 3651.57 142.83 158.63 3655.82 142.80 158.63 3660.07 142.77 158.62 LTR-CRA-06-96 attachm-ent

WESTINGHOUSE NON-PROPRIETARY CLASS 3 150 150 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 3664.32 142.75 158.62 3668.32 142.72 158.62 3672.57 142.70 158.61 3676.82 142.67 158.61 3681.07 142.65 158.61 3685.07 142.63 158.61 3689.32 142.61 158.61 3693.57 142.59 158.61 3697.82 142.57 158.61 3701.82 142.55 158.61 3706.07 142.53 158.61 3710.32 142.51 158.61 3714.57 142.49 158.61 3718.57 142.47 158.61 3722.82 142.45 158.61 3727.07 142.43 158.61 3731.32 142.42 158.61 3735.32 142.40 158.61 3739.57 142.38 158.61 3743.82 142.37 158.61 3748.07 142.35 158.61 3752.32 142.33 158.61 3756.32 142.32 158.61 3760.57 142.30 158.61 3764.82 142.29 158.61 3769.07 142.28 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 315 151 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (F 3773.07 142.26 158.61 3777.32 142.25 158.61 3781.57 142.23 158.61 3785.82 142.22 158.61 3789.82 142.21 158.61 3794.07 142.20 158.61 3798.32 142.18 158.61 3802.57 142.17 158.61 3806.57 142.16 158.61 3810.82 142.15 158.61 3815.07 142.13 158.61 3819.32 142.12 158.61 3823.32 142.11 158.61 3827.57 142.10 158.61 3831.82 142.09 158.61 3836.07 142.08 158.61 3840.07 142.07 158.61 3844.32 142.06 158.61 3848.57 142.05 158.61 3852.82 142.05 158.61 3857.07 142.04 158.61 3861.07 142.04 158.61 3865.32 142.03 158.61 3869.57 142.03 158.61 3873.82 142.02 158.61 3877.82 142.02 158.61 LTR-CRA-06-96 attachrmnt

WESTINGHOUSE NON-PROPRIETARY CLASS 315 152 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 3882.07 142.01 158.61 3886.32 142.01 158.61 3890.57 142.00 158.61 3894.57 142.00 158.61 3898.82 141.99 158.61 3903.07 141.99 158.61 3907.32 141.98 158.61 3911.32 141.98 158.61 3915.57 141.97 158.61 3919.82 141.97 158.61 3924.07 141.96 158.61 3928.07 141.96 158.61 3932.32 141.96 158.61 3936.57 141.95 158.61 3940.82 141.95 158.61 3944.82 141.94 158.61 3949.07 141.94 158.61 3953.32 141.94 158.61 3957.57 141.93 158.61 3961.57 141.93 158.61 3965.82 141.93 158.61 3970.07 141.93 158.61 3974.32 141.92 158.61 3978.57 141.92 158.61 3982.57 141.92 158.61 3986.82 141.92 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 153 153 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 3991.07 141.91 158.61 3995.32 141.91 158.61 3999.32 141.91 158.61 4014.07 141.90 158.61 4031.07 141.90 158.61 4048.07 141.89 158.61 4064.07 141.89 158.61 4081.07 141.88 158.61 4098.07 141.88 158.61 4115.07 141.88 158.61 4131.07 141.88 158.61 4148.07 141.88 158.61 4165.07 141.89 158.61 4182.07 141.89 158.61 4198.07 141.89 158.61 4215.07 141.90 158.61 4232.07 141.90 158.61 4249.07 141.91 158.61 4265.07 141.92 158.61 4282.07 .141.92 158.61 4299.07 141.94 158.61 4316.07 141.94 158.61 4333.07 141.96 158.61 4349.07 141.97 158.61 4366.07 141.98 158.61 4383.07 141.99 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 154 154 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 4400.07 142.00 158.61 4416.07 142.01 158.61 4433.07 142.03 158.61 4450.07 142.04 158.61 4467.07 142.05 158.61 4483.07 142.07 158.61 4500.07 142.08 158.61 4517.07 142.10 158.61 4534.07 142.12 158.61 4550.07 142.13 158.61 4567.07 142.15 158.61 4584.07 142.17 158.61 4601.07 142.18 158.61 4617.07 142.20 158.61 4634.07 142.22 158.61 4651.07 142.24 158.61 4668.07 142.25 158.61 4684.07 142.27 158.61 4701.07 142.29 158.61 4718.07 142.31 158.61 4735.07 142.33 158.61 4752.07 142.35 158.61 4768.07 142.37 158.61 4785.07 142.39 158.61 4802.07 142.41 158.61 4819.07 142.43 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 315 155 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 4835.07 142.45 158.61 4852.07 142.47 158.61 4869.07 142.50 158.61 4886.07 142.52 158.61 4902.07 142.54 158.61 4919.07 142.56 158.61 4936.07 142.58 158.61 4953.07 142.60 158.61 4969.07 142.62 158.61 4986.07 142.65 158.61 5059.97 142.75 158.61 5307.09 143.12 158.61 5574.41 143.54 158.61 5868.14 143.99 158.61 6188.41 144.46 158.61 6537.77 144.93 158.61 6921.99 145.42 158.61 7298.83 145.85 158.61 7641.47 146.19 158.61 7959.75 146.46 158.61 8325.62 146.73 158.61 8622.51 146.92 158.61 8970.63 147.11 158.61 9324.32 147.27 158.61 9663.76 147.39 158.61 10011.68 147.48 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 315 156 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 10395.40 147.55 158.61 10742.07 147.59 158.61 11106.42 147.62 158.61 11468.62 147.63 158.61 11837.97 147.63 158.61 12210.16 147.64 158.61 12632.56 147.65 158.61 13023.92 147.66 158.61 13426.44 147.63 158.61 13838.92 147.59 158.61 14236.34 147.54 158.61 14606.32 147.48 158.61 15021.29 147.41 158.61 15422.77 147.32 158.61 15832.13 147.23 158.61 16220.58 147.13 158.61 16633.01 147.01 158.61 17067.48 146.88 158.61 17492.89 146.74 158.61 17936.37 146.59 158.61 18350.87 146.43 158.61 18800.63 146.26 158.61 19232.70 146.08 158.61 19679.46 145.88 158.61 20103.44 145.69 158.61 20551.80 145.49 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 157 157 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF))

20989.47 145.28 158.61 21449.20 145.08 158.61 21894.45 144.88 158.61 22327.60 144.69 158.61 22771.13 144.50 158.61 23230.61 144.31 158.61 23641.89 144.13 158.61 24098.41 143.94 158.61 24558.92 143.75 158.61 25001.64 143.57 158.61 25424.30 143.40 158.61 25887.81 143.22 158.61 26341.82 143.03 158.61 26829.11 142.85 158.61 27276.60 142.67 158.61 27747.67 142.48 158.61 28223.70 142.29 158.61 28686.80 142.11 158.61 29184.45 141.91 158.61 29648.45 141.74 158.61 30123.70 141.55 158.61 30598.98 141.36 158.61 31088.95 141.18 158.61 31521.29 141.00 158.61 32010.72 140.82 158.61 32500.46 140.63 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 158 158 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 32977.08 140.44 158.61 33429.84 140.27 158.61 33923.66 140.08 158.61 34407.25 139.89 158.61 34911.11 139.70 158.61 35380.18 139.51 158.61 35893.33 139.31 158.61 36420.38 139.11 158.61 36935.99 138.91 158.61 37408.14 138.73 158.61 37923.59 138.52 158.61 38441.00 138.33 158.61 38943.91 138.12 158.61 39405.39 137.94 158.61 39922.37 137.74 158.61 40442.48 137.54 158.61 40942.93 137.34 158.61 41447.87 137.15 158.61 41946.38 136.96 158.61 42446.68 136.78 158.61 42969.71 136.62 158.61 43490.26 136.46 158.61 43971.02 136.32 158.61 44503.20 136.17 158.61 45026.57 136.01 158.61 45527.63 135.85 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 159 159 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 46065.92 135.70 158.61 46596.58 135.55 158.61 47112.01 135.42 158.61 47629.54 135.28 158.61 48117.23 135.16 158.61 48666.37 135.03 158.61 49195.62 134.89 158.61 49717.57 134.75 158.61 50251.88 134.61 158.61 50796.55 134.48 158.61 51309.71 134.36 158.61 51826.90 134.24 158.61 52308.72 134.12 158.61 52850.06 134.00 158.61 53395.45 133.87 158.61 53941.73 133.74 158.61 54436.28 133.63 158.61 54956.98 133.51 158.61 55478.67 133.39 158.61 56003.24 133.28 158.61 56530.13 133.16 158.61 57059.89 133.04 158.61 57612.50 132.92 158.61 58155.37 132.80 158.61 58685.34 132.68 158.61 59175.23 132.57 158.61 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 160 160 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (0F) @0) 59708.84 132.46 158.61 60243.61 132.34 158.61 60796.13 132.22 158.61 61334.95 132.10 158.60 61870.00 131.99 158.60 62397.98 131.88 158.60 62927.72 131.78 158.59 63423.80 131.69 158.59 63959.72 131.59 158.59 64521.57 131.49 158.58 65086.47 131.39 158.58 65621.75 131.29 158.58 66160.05 131.20 158.57 66697.02 131.10 158.57 67233.87 131.01 158.57 67734.73 130.92 158.56 68295.06 130.83 158.56 68856.38 130.74 158.56 69423.55 130.64 158.55 69989.64 130.55 158.55 70499.50 130.47 158.55 71047.52 130.38 158.54 71613.16 130.29 158.54 72170.60 130.20 158.54 72732.27 130.11 158.53 73318.93 130.02 158.53 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 316 161 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature 0M F C0)

(seconds) 739032619.94158.52 74465.95______ 129.85_______ 158.52 749903919.77158.52 75558.55______ 129.68_______ 158.51 76133.61 129.60 158.51 76717.41 129.51 158.51 77307.70 129.42 158.50 77886.05 129.33 158.50 78467.70 129.24 158.49 79050.85 129.15 158.49 79590.86 129.07 158.49 80168.17 128.99 158.48 80775.68 128.90 158.48 81385.53 128.81 158.47 81952.78 128.73 158.47 82532.61 128.65 158.47 83108.64 128.57 158.46 83696.91 128.50 158.46 84281.20 128.43 158.45 84824.41 128.36 158.45 85416.44 128.28 158.44 86029.89 128.20 158.44 86591.66 128.12 158.44 87115.39 128.05 158.43 87689.74 127.98 158.43 88264.14 127.91 158.42 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 162 162 WESTiNGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (OF) 88843.19 127.84 158.42 89427.34 127.77 158.42 90030.23 127.70 158.41 90627.55 127.63 158.41 91203.32 127.56 158.40 91738.92 127.50 158.40 92324.56 127.43 158.39 92907.88 127.36 158.39 93512.09 127.29 158.39 94099.17 127.22 158.38 94690.67 127.15 158.38 95274.67 127.08 158.37 95850.09 127.02 158.37 96394.81 126.95 158.37 96987.82 126.88 158.36 97589.77 126.81 158.36 98207.85 126.74 158.35 98824.49 126.66 158.35 99369.81 126.60 158.34 99967.41 126.54 158.34 100557.7 126.47 158.33 101157.1 126.41 158.33 101726.9 126.34 158.33 102346.8 126.28 158.32 102969.5 126.21 158.32 103571.0 126.15 158.31 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 316 163 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (0 .F) (OF) 104121.5 126.10 158.31 104723.5 126.04 158.30 105330.0 125.98 158.30 105927.7 125.93 158.29 106533.4 125.87 158.29 107154.9 125.82 158.28 107763.6 125.76 158.28 108374.4 125.71 158.27 108929.7 125.66 158.27 109549.4 125.61 158.27 110153.2 125.55 158.26 110777.0 125.50 158.26 111400.7 125.45 158.25 112006.8 125.40 158.25 112627.1 125.34 158.24 113242.0 125.29 158.24 113846.9 125.24 158.23 114418.7 125.19 158.23 115061.0 125.14 158.22 115715.2 125.09 158.22 116380.3 125.03 182 116987.4 124.99 182 117616.0 124.94 182 118237.4 124.88 182 118851.1 124.83 158.19 119461.9 124.78 158.19 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 164 164 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) Mf (OF) 120116.8 124.73 158.18 120777.3 124.67 158.18 121390.1 124.62 158.17 121973.4 124.57 158.17 122614.4 124.52 158.16 123258.2 124.47 158.16 123891.7 124.42 158.15 124532.1 124.36 158.15 125198.8 124.31 158.14 125834.8 124.25 158.14 126483.0 124.20 158.13 127080.1 124.15 158.13 127738.1 124.11 158.12 128402.0 124.06 158.12 129085.3 124.01 158.11 129772.8 123.95 158.11 130395.3 123.90 158.10 131026.0 123.84 158.10 131701.2 123.80 158.09 132391.5 123.75 158.08 133032.5 123.70 158.08 133695.6 123.64 158.07 134387.5 123.58 158.07 135031.1 123.52 158.06 135646.6 123.48 158.06 136337.4 123.42 158.05 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 165 165 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) (01F) 137030.5 123.37 158.05 137705.8 123.31 158.04 138362.6 123.25 158.03 139026.4 123.20 158.03 139677.1 123.14 158.02 140365.8 123.09 158.02 141005.0 123.03 158.01 141702.8 122.98 158.01 142395.0 122.92 158.00 143042.7 122.86 158.00 143671.2 122.81 157.99 144326.9 122.7S 157.99 144989.8 122.70 179 145651.9 122.64 179 146308.2 122.58 179 146982.3 122.53 179 147658.3 122.48 179 148341.6 122.43 179 149046.0 122.37 179 149696.0 122.32 179 150360.6 122.26 157.93 151018.5 122.21 157.93 151704.4 122.15 157.92 152357.0 122.11 157.92 153058.7 122.06 157.91 153705.6 122.01 157.91 LTR-CRA-06-96 attachrmnt

WESTTNGHOUSE NON-PROPRIETARY CLASS 3 166 166 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sumnp Temperatures Active Sump Inactive Sump Time Temperature Temperature 3 F)

(O (seconds) (OF) 154364.0 121.96 157.90 155005.5 121.91 157.90 155716.9 121.87 157.89 156416.0 121.82 157.88 157070.8 121.77 157.88 157685.8 121.74 157.87 158385.7 121.69 157.87 159083.8 121.64 157.86 159744.2 121.60 157.85 160379.9 121.56 157.85 161077.8 121.52 157.84 161790.0 121.48 157.84 162504.5 121.44 157.83 163178.7 121.39 157.83 163841.0 121.35 157.82 164567.6 121.31 157.81 165249.8 121.27 157.81 165953.8 121.23 157.80 166630.2 121.19 157.80 167301.7 121.15 157.79 168027.3 121.10 157.78 168719.7 121.06 157.78 169381.6 121.02 157.77 170115.5 120.98 157.77 170795.4 120.94 157.76 171531.7 120.89 157.75 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 167 167 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OFI) (OF) 172205.7 120.85 157.75 172902.0 120.81 157.74 173628.4 120.77 157.74 174279.8 120.72 157.73 174956.0 120.68 157.72 175643.7 120.64 157.72 176354.6 120.61 157.71 177086.6 120.57 157.71 177783.9 120.53 157.70 178467.5 120.49 157.69 179207.9 120.44 157.69 179907.9 120.40 157.68 180584.5 120.36 157.68 181301.6 120.32 157.67 182019.8 120.28 157.66 182737.8 120.24 157.66 183454.6 120.19 157.65 184136.9 120.16 157.64 184853.4 120.11 157.64 185586.3 120.07 157.63 186285.0 120.03 157.63 186988.4 119.99 157.62 187699.8 119.95 157.61 188454.1 119.91 157.61 189142.8 119.86 157.60 189859.5 119.82 157.60 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 316 168 Table 2-8 Containment Active and Inactive Sump Temperatures Active Sump Inactive Sump Time Temperature Temperature (seconds) (OF) MF 190563.2 119.78 157.59 191331.5 119.74 157.58 192034.6 119.69 157.58 192753.3 119.65 157.57 193457.4 119.61 157.56 194214.0 119.57 157.56 194929.9 119.53 157.55 195635.5 119.49 157.54 196352.5 119.44 157.54 197088.6 119.40 157.53 197827.4 119.35 157.53 198514.5 119.32 157.52 199255.0 119.27 157.51 199982.8 119.23 157.51 L

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 169 WESTINGHOUSE NON-PROPRIETARY CLASS 169 Containment Pressure (psig) Transient 12 10.4-S7.2-5.6-Time (s)

Figure 2-1 Containment Pressure (psig) Transient LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 170 WESTiNGHOUSE NON-PROPRIETARY CLASS 170 Upper Compartment Temperature (F) 160 150 140 P-4130

-~120

'-4 EV110 100 90 80 Time (s)

Figure 2-2 Upper Compartment Temperature Transient (OF)

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 311 171 Lower Compartment Temperature (F) Transient I

- ý 200 180 Time (S)

Figure 2-3 Lower Compartment Temperature Transient (OF) i I.

LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 33 172 172 WESTINGHOUSE NON-PROPRIETARY CLASS Active Sump and Inactive Sump Temperature (F) Transient 200 150 CU 50 0

Time (S)

Figure 2-4 Active Sump and Inactive Sump Temperature Transient (OF~)

1 LTR-CRA-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 3 173 173 WESTINGHOUSE NON-PROPRIETARY CLASS 3 Ice Melt Transient

.25E+07

.2E+07

-. 15E+07 92

.1E+07 50000 0I 10 Time (S)

Figure 2-5 Ice Melt T7ransient LTR-CR-A-06-96 attachment

WESTINGHOUSE NON-PROPRIETARY CLASS 314 174 Comparision. Containment Pressure VS lee Melt Transients Pressure (Pug1)

- Containment Pre ssure Transilent Vale (ibm43)

Melted Ice Mass Trausient 12- .25E+07 10.4- .2E+07

';18.8-I .15E+07 5 of500000 4 0 Time (S)

Figure 2-6 Comparison of Containment Pressure Versus Ice Melt Transients LTR-CRA-06-96 attachment

v t e Letter Sequence Other
TAC:MC9270, (Approved, Closed)
Initiation Request Acceptance... Supplement Administration Questions Answers Results Approval Other: ML061630045, ML062190045
MONTHYEAR2006-06-07 [Table View]

ML061630045

Text

1.1 INTRODUCTION

1.9 REFERENCES

2.1 DESCRIPTION

2.6 CONCLUSION

2.7 REFERENCES

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