Text

Stations, Draft, Confirmatory Integrated Test Plan
	ML101260445
Person / Time
Site:	Catawba, McGuire, Mcguire
Issue date:	05/03/2010
From:	Roberson P; Duke Energy Carolinas
To:	Jacqueline Thompson; Plant Licensing Branch II
	Thompson Jon, NRR/DORL/LPL 2-1, 415-1119
References
	Download: ML101260445 (27)
	v • d • e

DRAFT 5/3/10 Duke Energy Integrated ECCS Strainer Head Loss Testing McGuire Nuclear Station Catawba Nuclear Station Overview:

A general expectation for the closure of GSI-191 (Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance) is that licensees will have completed plant changes, actions and initiatives as needed to demonstrate acceptable ECCS sump strainer performance within two fuel cycles of June 2010.

Currently Scoped Changes:

During this timeframe, Duke Energy is finalizing the removal of a significant volume of fiber insulation at both the McGuire and Catawba Nuclear Stations. Reflective Metallic Insulation has been (or will be) used to replace the fibrous insulation on main NSSS piping, reactor coolant pumps and S/Gs (below upper lateral supports) in all four of the affected units.

Also during this timeframe, Duke Energy anticipates the approval of License Amendment Requests for both Catawba and McGuire to allow "Water Management" modifications. These modifications will increase the minimum required FWST volume, lower the ECCS Sump Swapover setpoint, and delete the auto-start signals from Containment Spray pumps, such that single spray pump operation will be procedurally directed after post-LOCA containment flood-up and swapover to ECCS sump recirculation occurs.

Water Management Impacts:

Water Management changes could potentially have both adverse and beneficial impacts on ECCS and Containment Spray performance in relation to GSI-191. With only a single train of Containment Spray operating, predicted post-LOCA pool temps are slightly higher. The warmer spray temperature would cause greater aluminum corrosion, and the warmer fluid at pump suction results in a reduction in NPSH margin. The beneficial impacts from Water Management would come from:

Nominal total flow reduction from 16,000 gpm to 12,000 gpm at ECCS sump strainer o Reduced strainer velocity resulting in less pressure drop o Reduced bulk flows to ECCS strainer potentially decreasing debris transport

Higher containment water levels at time of swapover due to greater FWST injection volume and longer injection duration allowing greater ice melt accumulation

Reduced turbulence in post-LOCA pool due to reduced ice melt rate; i.e., diminished flow from ice condenser drains at time of swapover

Reduced turbulence in post-LOCA pool due to reduced Refueling Canal drain flows (returning the flow of only one Containment Spray pump)

Using the WCAP aluminum release projection model with the Duke-modified release rate algorithm, slightly higher aluminum corrosion amounts have been calculated using the Water Management inputs.

The debris transport calculations (CFD models) for both McGuire and Catawba are also being updated to incorporate the Water Management changes.

DRAFT

DRAFT Future Testing Plans:

As a next step, Duke is developing an integrated test plan to conservatively show how the above changes will impact ECCS sump strainer performance. Updated destroyed fiber volumes (reflecting reductions either already accomplished or 'future state' commitments) will be combined with updated CFD transport fractions to define appropriate debris loads.

Duke previously performed a 30+ day mission-life integrated strainer head loss test in November 2007.

Deficiencies in this "Integrated Prototype Test" (IPT) were noted by NRR observers and were described in an August 2008 Memorandum "Staff Observations of Testing for Generic Safety Issue 191 at Wyle Laboratories on November 26/27, 2007".

The new proposed 30-day mission life CIT (Confirmatory Integrated Test) is designed to test a bounding case conventional debris load for McGuire and Catawba and to include the bounding case for "in-situ" precipitation of aluminum products. The CIT will address the deficiencies of the previously conducted IPTwith the following enhancements in methods and controls:

Controlled fidelity of fiber sizes (formalized debris prep and documentation using the protocols from the Nov/Dec 2009 and March 2010 tests)

Controlled introduction of debris (mass per bucket restrictions and agglomeration prevention steps, per recent protocols)

Optimized and demonstrated debris transport characteristics for test tank

Prevention of "beneficial" flow fields (top hat strainer modules aligned 90 degrees off of 'bulk flow' direction)

Incorporation of March 2008 Chemical Effects Evaluation guidance via modeling of ECCS heat rejection via RHR and Containment Spray heat exchangers; i.e., a portion of the tank will be recirculated and cooled so that any localized precipitation that might be driven by short term cooling is represented by the test.

The attached test plans, sizing and scaling criteria and debris loads, chemical loads, etc. are DRAFT methods and values. Checking, validation, revision and critique by Duke personnel is on-going, concurrent with this opportunity to engage with NRR staff.

Phil Roberson DRAFT

DRAFT Duke Energy Catawba Nuclear Station McGuire Nuclear Station Wyle Labs ECCS Sump Strainer Testing "Confirmatory Integrated Test" Thirty-Day Mission Life Test of a Scaled ECCS Sump Strainer (Two Top Hat Modules) With Bounding Case Conventional Debris, Time-Dependent Chemical Effects, and Post-LOCA Temperature Profile DRAFT CIT Test Plan; Page I

DRAFT Table of Contents 1.0 SCOPE ............................................................................................................................................................. 3 2.0 OBJECTIVES ................................................................................................................................................ 3 3.0 TEST SETUP AND DESCRIPTION ............................................................................................................ 4 4.0 DATA COLLECTION I CRITERIA ........................................................................................................... 6 4.1 SHAKEDOWN TEST: VALIDATION OF SYSTEM OPERATION, DEBRIS TRANSPORT CHARACTERISTICS AND TEMPERATURE CONTROLS (HEAT REJECTION AND ADDITION) ................................................................................................................................................... 6 4.2 THIRTY-DAY MISSION LIFE INTEGRATED STRAINER HEAD LOSS TEST ............................. 6 5.0 TEST INPUTS AND SCALING DETERMINATIONS ............................................................................. 7 5.1 STRAINER DIMENSIONS ....................................................................................................................... 7 5.2 FLOW RATE I AVERAGE APPROACH VELOCITY ......................................................................... 7 5.3 TEMPERATURE PROFILE ..................................................................................................................... 8 5.4 WATER PROPERTIES ............................................................................................................................. 8 5.5 CONVENTIONAL DEBRIS QUANTITIES ............................................................................................ 9 5.6 CHEMICAL DEBRIS .............................................................................................................................. 10 5.7 TANK VOLUME, STRAINER SURFACE AREA AND COOLED RECIRCULATION RATE SCALING.................................................................................................................................................. 12 5.8 TEST MATRIX SUMMARy .................................................................................................................. 13 6.0 REQUIRED INSTRUMENTATION AND CALIBRATION ................................................................. 14 7.0 SHAKEDOWN TEST EXECUTION ................................................................................................ 15 8.0 CONFIRMATORY INTEGRATED TEST EXECUTION ...................................................................... 16 9.0 QUALITY ASSURANCE REQUIREMENTS .......................................................................................... 21 Total Pages ENCLOSURE 1: DETAILED DEBRIS PREPARATION INSTRUCTIONS ................................. 1 ENCLOSURE 2: LATENT DIRT LOADING FORM ....................................................................... 1 ENCLOSURE 3: COATINGS SURROGATE (Silicon Carbide) LOADNG FORM ....................... 1 ENCLOSURE 4: FIBER LOADING FORM ....................................................................................... 1 DRAFT CIT Test Plan; Page 2

DRAFT

1.0 Scope

This Test Plan defines Chemical Effeets Testing to occur for Duke Energy's Catawba Nuclear Station (CNS) Units 1 and 2 and McGuire Nuclear Station (MNS) Units I and 2. This testing will serve to verify the design of the Containment Sump Recirculation Strainers to properly address the conventional and chemieal debris loads that it may experience in the containment environment in the time following a Loss of Coolant Accident (LOCA). These test results are generated to assist in the resolution of Generic Safety Issue (GSI) 191.

The testing will generally mimic post-LOCA containment eonditions including the flow rate through the recirculation sump strainer, water chemistty, and post-LOCA containment temperature profile. Debris sources predicted to arrive at the sump strainer post-LOCA will be simulated with materials having similar properties. The test will operate for 30 days, over which soluble chemicals will be added in the quantities predicted by the WCAP chemical model as modified with the Duke aluminum release algorithm.

This testing will be conducted by Wyle Labs, under the supervision of Duke Energy personnel, at Wyle's facility in Huntsville, AL.

2.0 Objectives

2.1 System Checkout - Validation of System Operation, Debris Transport Characteristics and Temperature Controls [Heat Rejection and Addition]

Prior to the start of head loss testing, "shake-down" testing will be conducted to establish the performance of the entire system, including instrumentation, pump, temperature control (both heat rejection and addition), agitators and debris transport. Once the system is determined to be operating as desired, testing will proceed to the mission-life test case.

2.2 Thirty-Day Mission Life Integrated Head Loss Testing A debris bed consisting of conventional debris types that could be expected in a post-LOCA environment will be accumulated on two top hat strainer modules. Chemical constituents that are expected in containment will be introduced and allowed to precipitate in-situ. The test's primary objective is to detelmine the head loss across a given debris bed and for a given flow rate with respect to time.

DRAFT CIT Test Plan; Page 3

DRAFT 3.0 Test Setup and

Description:

The fo llowing layout shows the generalized tank, pump and piping layout. The strainer modules (two 24" top hats) are mounted horizontally and aligned one above the other and connected to the common plenum. The test pump takes suction from the plenum, and discharge flow is split to allow a portion of recirculated flow to be cooled. A combination of sparger return flow and agitator operation is provided to ensure sufficient debris suspension for transport to the strainer modules. The shielded strainer module location prevents undue influence from tank turbulence on debris bed accumulation.

Note that some required temperature instrumentation, and key components such as heat addition coils, chemical mixing tank and chemical injection pump are not reflected in this basic conceptual sketch.

Top-hat Modu les Pump

-+

Ajitlto(

flW Recirculation Cooling HX i i fl VI DRAFT CIT Test Plan; Page 4

DRAFT To closely match the full-scale interaction of the top hat strainer modules with the surrounding strainer, test top hats will be located between vertical walls spaced 1.5 inches from each side.

The bottom top hat will be positioned so that the bottom edge of the lower base plate is approximately 2 inches above the floor, and the upper top hat is prototypically aligned with the bottom, with a gap between baseplates of lI8 inch.

The integrated head loss testing will generally mimic post-LOCA containment conditions including a scaled test loop flow rate of 110 gpm through the strainer modules of borated water buffered with sodium tetraborate to a pH of approximately 7.9.

Debris sources predicted to arrive at the sump strainer post-LOCA, including NUKON'"

fiberglass, coatings surrogate, and dirt/dust sun*ogate, will be added to the tank and allowed to accumulate on the strainer. In addition, the scaled amount of NUKON' predicted not to transpOlt to the strainer will be submerged in the system fluid so that it is available to react chemically but not transport.

After beginning at a temperature of 190°F, a decreasing test pool temperature profile will be followed over the 30-day mission life simulation. Heat rejection via containment spray and residual heat removal system will be modeled by a cooling loop that is controlled to reduce the temperature of a portion of the recirculated test fluid by nominally 40°F (initially when bulk test pool temperature is 190°F), decreasing to a temperature reduction of 30°F at the end of the 30-day test, when bulk test pool temperature is 90°F.

A solution of aluminum nitrate will be metered into the system according to the predicted concentration profile. As the test proceeds, debris bed head loss, total flow rate, cooled discharge flow rate, bulk test tank temperature and coolcd discharge temperature and fluid pH will be monitored and recorded.

DRAFT CIT Test Plan; Page 5

DRAFT 4.0 Data Collection / Criteria:

4.1 Shakedown Test: Validation of System Operation, Debris Transport Characteristics and Temperature Controls [Rejection and Addition]

Stable pump operation at target system flow (110 gpm), along with +/- 25% values, shall be demonstrated for a minimum of 15 minutes. Discharge flow distribution to cooled and uncooled flow paths shall be balanced to within +/- 2.5 gpm of target. Agitator settings shall be optimized (with speeds and directions recorded) to ensure that essentially 100% of fibrous debris is suspended and transports to the strainer modules.

Tank temperature will be recorded (initially heated to 190°F), and the heat rejection system shall be demonstrated to be capable of cooling the nominal 78 gpm cooling loop flow by 40 degrees.

Heat addition capacity will be demonstrated to be sufficient to maintain bulk tank temperature at 190°F.

4.2 Thirty-Day Mission Life Integrated Strainer Head Loss Test Throughout the course of the testing, flow rate, temperature, pH and head loss across the debris bed will be continuously monitored. The data from these measurements shall be electronically captured and recorded at not less than one data point every minute.

Water level in the test tank shall be measured and recorded at least daily. The rate of chemical addition will be set, and the total chemical added over a given period will be recorded at least daily, as well.

Water samples shall be taken for later analysis at least daily and more ti'equently during the early part of the test. A pH measurement at TTF should also be taken and recorded once daily. At the conclusion of the test, samples of the submerged debris and the debris bed on the strainer module will be collected for later analysis.

Table 4-2: Data Collection Summary Data Description Frequency of measurement Total Flow Rate (gpm) At least 1 data point per minute Bulk Tank Temperature (OF) At least 1 data point per minute HX Flow Rate (gpm) At least 1 data point per minute Cooled Retutn Temperature (OF) At least 1 data point per minute Fluid pH (in-situ) At least 1 data point per minute Fluid pH (at 77°F) At least daily Debris Bed Head Loss (psid) At least 1 data point per minute Water Level (in) At least daily Beginning of test Chemical Constituents Added (lb m or gal) Twice daily for first 4 days Daily for final 26 days Water Sample Beginning of test Twice daily for first 4 days Daily for final 26 days Debris Bed Sample End of test DRAFT CIT Test Plan; Page 6

DRAFT 5.0 Test Inpnts and Scaling Determinations:

5.1 Strainer Dimensions The top hat strainer is manufactured by Transco Products bascd on Enercon design and is dimensionally similar to those being installed at Duke's Catawba and McGuire plants.

The top hat strainer is also equipped with Enercon's patent pending Debris Bypass Eliminator, manufactured by Amistco.

The prototypical top hat strainer module consists of a 10.5-inch base plate, an 8-inch OD outer perforated plate, and a 6-inch OD inner perforated plate with a length of 24 inches.

The gross and net top hat surface areas for a single top hat are 6.76 ft' and 6.01 ft',

respectively. With two 24 inch top hats used for the test, the available gross strainer surface area is 13.52 ft'.

5.2 Flow Rate / Avenge Approach Velocity The Water Management nominal ECCS recirculation flow rate for McGuire and Catawba is 12,000 gpm.

McGuire has a gross surface area of 1,761 ft' (Unit 1 limiting case), a tag-and-label area of 347.5 ft' and a 0.75 packing ratio which equates to an approach velocity of approximately:

12000

, gal.

mm (1,76Iji' - 0.75(347.5ji2)'{ 60~)(7.48 gat)

\ mmji Applying this full-scale McGuire velocity to the test surface area results in a flow rate of approximately:

0.0178 ji (13.52 .ji' s

i 60~)(7.48

\ mmji gat) = 108 gpm Catawba, with a nominal gross surface area of2,418 ft', a tag-and-label area of 586 ft' and a 0.75 packing ratio, has an approach velocity of approximately:

12000 gal

, min '" 0.0134 ji (2,418 ji' -0.75(586 ji')i 60~)(7.48 gat) s

\ mmji Applying this full-scale Catawba velocity to the test surface area results in a flow rate of approximately:

0.0134 ji (13.52 ji' i 60~)(7.48 ga;) '" 81 gpm s \mm .ji DRAFT CIT Test Plan; Page 7

DRAFT An assigned test flow rate of 110 gpm will be used to bound the McGuire and Catawba flow rates. The flow rate variation shall be maintained at +/- 5 gpm for the duration of the test.

[n order to gain insight into the t10w regime through the debris bed, t10w sweeps up to 120, 130, and 140 gpm will be conducted at the end of the test. Then, flow sweeps down to 110, 100, 90, 80 and 70 gpm will be conducted to model Catawba Nuclear Station and gain insight into the t10w regime at lower flow rates.

5.3 Temperature Profile The temperature shall generally follow the predicted post-LOCA sump temperature profiles. The test temperature shall change according to the following schedule (+/- 5°F) with linear transitions:

a. The test shall start at 190'1' and remain constant for 30 minutes.

b. The system shall decline to 185°F at 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months and remain constant until 10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months .

c. The system shall decline to 155'1' at 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months .

d. The system shall decline to 130°F at 192 hours0.00222 days 0.0533 hours 3.174603e-4 weeks 7.3056e-5 months .

e. The system shall decline to 110°F at 576 hours0.00667 days 0.16 hours 9.523809e-4 weeks 2.19168e-4 months .

f. The system shall decline gradually to 90'1' at 648 hours0.0075 days 0.18 hours 0.00107 weeks 2.46564e-4 months and remain constant for the remainder of the test.

The discharge temperature of the cooled recirculation loop shall be controlled as a function of bulk tank temperature:

(Cooled Loop Temp Out Target Delta T) = {40 - [(190 - Bulk Tank Temp)

O.l]} °F When tank temperature is 190°F, a delta T (temperature drop) of 40°F in the 78 gpm cooled discharge loop shall be achieved. When tank temperature is 90°F, the temperature drop in the cooled discharge loop shall be 30°F. The cooling loop temperature criteria shall be maintained within +/- 2.5°1' oftaJ*get.

5.4 Water Properties Tank/system volume shall be approximately 3580 gal (see Section 5.7).

5.4.1 Boric Acid The system boron concentration shall initially be 1730 ppm B (+/- 300 ppm) added as boric acid to demineralized water. The mass of boric acid added to the system shall be xxx x Ibm.

The boron concentration should be approximately 2400 ppm B (+/- 500 ppm) after pH adjustment with sodium tetraborate (see below).

5.4.2 Buffering Agent The pH shall then be adjusted with sodium tetraborate to 7.9 (as measured at 25°C). The pH should remain between 7.8 and 8.0 during the test. [fpH drops to 7.7 or below, sodium hydroxide should be added to bring it back within the specification. If pH rises to 8.1 or above, it should be reduced using nitric acid. [f a pH excursion exceeds the range of 7.6 to 8.2, a deviation notice documenting the occurrence (time, date, amount of deviation, length of deviation before corrective action taken, corrective action taken, etc.), and evaluating its impact on the test shall be generated.

DRAFT CIT Test Plan; Page 8

DRAFT 5.5 Conventional Debris Quantities 5.5.1 Low Density Fiberglass The low density fiberglass insulation debris generated for Duke Energy plants consists of NUKON"' and Thermal-Wrap"'. The physical properties of the two types are snffieiently similar such that NUKON"' can be used to represent all fibrous debris. The NUKON"' will be in a shredded form and baked to remove any organic binders to conservatively represent extended exposure to hot surfaces. NUKON(" has an as-fabricated density of 2.4 Ib m/ft3 NUKON"" will also be used as the surrogate for latent fiber.

For McGuire, the volume of fibrous debris transported to the strainer is assumed to be ZZZ ftl plus 12.5 ftl of latent fiber. For Catawba, the volume of fibrous debris transported to the strainer is assumed to be zzz ft) plus 12.5 ft) of latent fiber. Therefore, the bounding fibrous debris load from McGuire will be used for the CIT.

After scaling the amount by the ratio of surface areas, the mass of NUKON" to be used in the test is xxx Ibm.

(100.9ft ) +12.5/1.){ 1 2 12in) =0.91tn .

. . 1500/i .ft Conservatively using xx inch debris bed thickness:

(l.OOin{ l~n 13.52 /i' )( 2.41~; ) = 2.70 Ibm In addition, the scaled amount of NUKON" predicted not to transport to the sump will be submerged in the system fluid so that it is available to react chemically but not collect on the top hat strainer. For McGuire and Catawba, the bounding LOCA eases are assumed to destroy respectively XXX ftl and ZZZ fe ofNUKON(- The limiting McGuire case will be used for the CIT.

After scaling the volume by the ratio of surface areas and converting to mass, the mass to be submerged in the containment test pool without transporting to the strainer is 8. ??? Ibm.

(500.0 fi' -100.9 ftl {13.52 ft' )(2.4 Ibm ) = 8.631b

\ 1500 ft2 .ft) m 5.5.2 Coatings The pat1iculate debris surrogate material is selected based on chemical reactivity and a comparison of the microscopic densities of the material. Epoxy and alkyd coatings densities at plants range from 94 Ib,,/ft) to 98 Ib,jft l per the NEI GR. The sun'ogate to be used for epoxy and alkyd coatings is silicon carbide which has a material specific gravity of 3.2 (microscopic density of 199.8 Ib,,/ft'),

The critical parameter for selecting the surrogate material is the volume of the material in the debris mix. The pat1iculate material occupies a certain volume in the fibrous debris DRAFT CIT Test Plan; Page 9

DRAFT space that results in increasing resistance to flow and higher head loss. The surrogate material volume will be adjusted to match the volume of the coatings particulate for coatings that are less dense than the sUlTogate. The particle size for all coatings (epoxy, alkyd, and inorganic zinc) is assumed to be 10 microns.

The volume of particulate generated from unqualified coatings is assumed to be 3.96 ft).

The volume of particulate generated from qualified coatings is 1.42 ft). Aller scaling the volume by the ratio of surface areas and convelting to mass, the mass to be used in the test is 9.69 Ibm.

(3.96 it' + 1.42 ft' { 13.52ft' )(199.8Ib",) = 9.691b

. . \ 1500 ft2 ft3 '"

5.5.3 Latent Dirt and Debris The surrogate material for latent dirt and dust will be a material blend of silica sand representative of PWR latent dilt/dust for head loss testing. This material is assumed to be inelt, and the silicon mass will not be considered when determining chemical quantities.

The size distribution of the silica sand was prepared to be consistent with the latent dilt/dust size distribution provided in the SER. Table 5.5.3 presents this size distribution.

Table 5.5.3 : NEI 04-07 (Vol. 2) Recommended DirtlDust Surro gate Size Distribution Blended Silica NRC Sands Size Size Class Target Distribution

< 75 microns Fine 37 %

> 75 microns Medium 35 %

<500 microns

>500 microns Coarse 28 %

<2000 microns 100%

The mass of dilt and dust in containment is approximated as 170 Ibm. After scaling the volume by the ratio of surface areas, the mass to be used in the test is 1.53 Ibm.

170lb (13.52 ft2) = 1.53lb

'" 1500.ft' '"

5.6 Chemical Debris 5.6.1 Type Chemical debris shall include dissolved aluminum and silica. While no calcium precipitates are predicted to form, calcium chloride should be added to achieve a representative calcium concentration which will mimic expected containment conditions.

An aqueous solution of aluminum nitrate shall be metered into the system based on the aluminum release profile predicted by the WCAP-16530-NP model assuming minimum safeguards temperatures and the Duke McGuire and Catawba aluminum release rate algorithm. The scaled volume of non-transported NUKON'" shall be submerged in the DRAFT CIT Test Plan; Page 10

DRAFT system fluid while preventing it from reaching the strainer modules. Dissolution of the NUKON"o by the water ehemistry shall provide the majority of dissolved silica as predieted by the WCAP methodology. Due to the temperature limitations of the tank, the test will be conducted at a lower temperature for the first hour. The silicon predicted to be released by the WCAP in this time period will be added as sodium silicate. The dissolved aluminum and silicon may react with sodium from the buffer to form sodium aluminum silicate, a material which may precipitate in-situ.

The total amount of aluminum nitrate to be injected for the duration of the test is XXX gallons as a 0.167% solution of Al(N0 1k9H,O. The amount of calcium chloride to be added to the system is XXX g of32% CaCl, solution. The amount of sodium silicate to be added to the system is XXX g of 41 0 Baume "N Sodium Silicate" solution.

5.6.2 Addition Profile The injection pro tile will follow the schedule shown in Table 5.6.2. The target quantities shall be achieved by slowly injecting the solution to minimize the local concentration at the injection location. The total volume of solution injected should not result in significant changes in the system boron concentration or pI-I. VALUES NOT UPDATED FOR NEW TANK I AREA I AL RELEASE Table 5.6.2: Injection Profile Based Cumulative Volume Added Cumulative Volume of Aluminum Nitrate as Start of End of 0.167% Rate of Interval Interval Al(N03)3 9H20 0

Addition JIm) (1m) Solution (gal) (gph) 0 8 10.1 1.27 8 18 18.4 0.83 18 24 21.7 0.55 24 48 31.7 0.42 48 96 43.8 0.26 96 168 56.1 0.18 168 288 71.2 0.13 288 504 92.8 0.10 504 672 98.1 0.04 DRAFT crT Test Plan; Page 11

DRAFT 5,7 Tank Volume, Straine,' Surface A,'ea and Cooled Recirculation Rate Scaling 5.7.1 Aluminum Concentration:

Using Water Management conditions, the maximum calculated alumiuum release for Catawba is 9.92 kg. Likewise, the maximum calculated aluminum release for McGuire is 7.43 kg. Each site's projected LBLOCA containment minimum volume is 549,350 gallons, or 73,438 ftl, or a mass of2,030,554 kg.

Maximum dissolved aluminum concentration for the two sites is therefore 4.88 ppm Al for Catawba, and 3.66 ppm Al for McGuire.

A conservative, bounding aluminum concentration of 5.0 ppm is assigned for the CIT.

5.7.2 Aluminum Loading per Strainer Surface Area:

Catawba's total aluminum release of9.92 kg is distributed over an effective gross strainer surface area of 1979 ft2 Therefore, the aluminum load is 5.01 glft2 McGuire's total aluminum release of 7.43 kg is distributed over an effective gross strainer surface area of 1500 ft2. Therefore, the aluminum load is 4.95 g/ft2 Using the bounding Catawba aluminum load per strainer surface area and the 13.52 ft' gross surface area provided by the two 24-inch top hat modules, the total aluminum load for the CIT is determined to be 67.7 grams.

5.7.3 Maximum Tank Volume:

As detelmined above, the target aluminum concentration is 5 ppm. The total aluminum load is 67.7 g. Therefore, the required test system water mass is 13,550 kg. This equates to a tank volume of 3580 gallons, or a tank level of 67.5 inches.

5.7.4 Cooled Recirculation Rate:

Using the minimum LBLOCA sump pool volume of 549,350 gallons and the nominal Water Management total recirculation flow rate of 12,000 gpm, a full-scale cooled recirculation rate of 2.2% per minute is detelmined, applicable to both McGuire and Catawba. This is a worst-case projection, since for LBLOCA cases other than minimum volume, the proportion of cooled flow would be less, and the aluminum concentration in the post-LOCA pool would also be less.

Applying the "cooled recirculation" fraction to the test tank volume of 3580 gallons shows that the proper now rate for nominal fidelity to full-scale cooling is 78 gpm.

DRAFT CIT Test Plan: Page 12

DRAFT 5.8 Test Matrix Summary NEED TO FILL IN FINALIZED #s Debris Amount NUKON on Screen Ibm Submerged NUKON Ibm Coatings Surrogate Ibm Dir1/Dust Mixture lbm gal as 0.167%

Aluminum Nitrate Al(NO J k9H,O solution Calcium Chloride g 32% solution Boric Acid Ibm g of 41 0 Baume "N Sodium Silicate Sodium Silicate" solution Sodium Tetraborate Titrate to pH 7.9 DRAFT CIT Test Plan; Page 13

DRAFT 6.0 Required Instrumentation and Calibration:

Channel Range Accnracy SW I (Debris addition switch) 0-9 volts Reference PS 1 (Inlet Pressure) 0-100 psig 0.25% Full Scale DP (Differential Pressure) 0-15 psid* 0.50% Full Scale Ql (Total Flow Rate) 0-200 gpm 0.50% of Reading Q2 (Cooled Flow Rate) 0-100 gpm 0.50% of Reading TCI (Tank Water Temp) 0-600 deg F +/- 2 deg F TC2 (Cooled Disch Temp) 0-600 deg F +/- 2 deg F TC3 (Ambient Temperature) 0-2300 deg F +/- 5 deg F

0-20 psid is acceptable if 0-15 psid is unavailable All instrumentation except for SW 1 is to have independent backup sensors on a separate channel.

All instrumentation, measuring, and test equipment to be used in the performance of this test program are to be calibrated in accordance with Wyle Laboratories' Quality Assurance Program, which complies with the requirements of ANSI/NCSL Z540-1, ISO 10012-1, and Military Specification MIL-STD-45662A. Standards used in performing all calibrations are traceable to the National Institute of Standards and Technology (NIST) by report number and date. When no national standards exist, the standards are traceable to international standards or the basis for calibration is otherwise documented.

Prior to the start of testing, a list of instrumentation will be generated and verified. This instrumentation sheet is to list the Wyle numbers of all instrumentation used on the test and show the calibration date and the calibration due date for each piece of equipment.

DRAFT CIT Test Plan; Page 14

DRAFT 7.0 Shakedown Test Execution:

Validation of System Operation, Debris Transport Characteristics and Temperature Controls [Heat Rejection and Addition]

7,1 Assure that the tank and top hat modules are clean, 7,2 Add water to 3 feet above the top hat modules, 7,3 Set overall now rate to 110 gpm, and throttle discharge paths as required to achieve 78 gpm discharge thm the cooled recirculation loop, 7.4 Run system for a minimum of2 hours and assure that there are no leaks, The now rate should be varied throughout the full range of required testing to assure proper measurement and performance, 7.5 Ensure heating and cooling of system is adequate for temperature control (SOF maximum deviation for bulk tank temperature, and +/- 2,SoF variation from delta T target for cooled discharge loop),

7,6 Introduce 1/8" increments of tiber into the system and watch performance of agitator system.

(Prepare tiber addition increments per standard prep protocols for generations of tines),

7,7 Evaluate accumulation and transport of tiber. Photograph as desired.

7.8 Adjust piping and agitator system as required based on the observations during the testing, 7.9 Determine if, when, and where to manually agitate with a paddle in the tank, 7.10 Repeat steps 7.5 thm and 7.9 with additional batches of fiber as needed, Photograph as desired.

7, II Introduce 1 lb increments of pat1iculate surrogate. (Prepare particulate addition increments per standard prep and mixing protocols,)

7.12 Adjust piping and agitator system as required based on the observations during the testing, 7.13 Contirm optimized transport for both tiber and particulate.

7.14 Stop test, clean out system and clean out top hat modules, DRAFT CIT Test Plan; Page 15

DRAFT 8.0 Confirmatory Integrated Test Execution:

Thirty-Day Mission Life Integrated Strainer Head Loss Test 8.1 Startnp The test tank shall be filled to achieve a watcr volume of approximately 3580 gal according to Wyle Procedure XXXX (to be determined) and the water level shall be recorded. Data collection shall begin when the pump is started.

8.2 Test Stage 1: Conventional Debris Loading 8.2.1 __ Ensure overall system is operating correctly:

Total System Flow Rate: 110 gpm (+/- 5 gpm)

Total System Volume: 3580 gallons (+0; -100 gallons)

Cooled Recirc Loop Flow Rate: 78 gpm (+/-3 gpm)

Agitation system adjusted per optimized shakedown settings

pH: 7.8 - 8.0

Data collection system in operation 8.2.2 __ Add total conventional debris loads (dirt, coatings sUlTogate and fiber load) in five equal increments by repeating the following substeps:

a) Measure out appropriate particulate loads and document per Enclosures 2 and 3.

b) Measure out appropriate fiber loads and document per Enclosures 4.

c) Ensure particulate loads to be added are properly prepared per the detailed instmctions of Enclosure 1.0, Part 1.

d) Ensure fiber load to be added is properly prepared per the detailed instmctions of Enclosure 1.0, Part 2.

e) Slowly add particulate load and fiber load for the given "increment batch", making sure to take photographs and/or video of debris being added and tank condition.

Turn on switch to record time that debris addition begins and turn off switch when addition is complete.

f) Manually agitate tank as required throughout testing.

g) Once debris load for a gi ven incremental batch is added, allow system to circulate for a minimum of four tank turnovers.

8.2.3 __ Allow debris to collect on top hat strainer modules and form a bed with a stable differential pressure. The differential pressure is considered stable when it changes less than 1% in a 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months period. Measure and record water level and dP across strainer.

DRAFT CIT Test Plan; Page 16

DRAFT 8.3 Test Stage 2: Simulation of Post-LOCA Pool Conditions 8.3.1 __ Secure XX7 Ibm "submerged" NUKON so that it does not reach the top hat and is submerged when the tank is filled to 3580 gallons.

8.3.2 __ Stalt heating system to 190°F.

8.3.3 Add boric acid and sodium tetraborate as detailed below.

Note: A total ofXX.6 Ib", of boric acid is required. A total of approximately ZZ Ibm of sodium tetraborate is to be added in this step. The following sub-steps may be repeated in order to add the required amount of material.

a. __ Add approximately 4 Ibm of boric acid to half of the 5-gallon buckets available for debris preparation. Record weight of boric acid added to each bucket on test log.

Note: Do NOT combine boric acid and sodium tetraborate in 5-gallon buckets.

b. __ Add approximately 2.7 Ibm of sodium tetraborate to the remaining 5-gallon buckets available for debris preparation. Record weight of sodium tetraborate added to each bucket on test log.

c. __ When temperature reaches 100°F to l40°F, stop level eontrol system.

CAUTION: DO NOT USE PROCESS WATER HOTTER THAN 140°F.

At 145°F, water causes injury after 3 seconds eontact; at 135°F, water causes injUlY after 10 seconds contact.

d. __ Add process water from the system to the buckets slowly, while stirring, until the material dissolves. Process water should be obtained from a valved drain or vent line in the discharge of the pump.

e. __ Slowly add a bucket of the boric acid solution to the test tank near the recirculation discharge over a I-minute period. Then, slowly add 12 of a bucket of sodium tetraborate solution to the test tank near the recirculation discharge over a I-minute period.

f. __ Continue to alternate adding buckets of boric acid and 12 buckets of sodium tetraborate until total amount ofbOlic acid is added. Each bucket should be added over approximately a 1 minute period.

g. __ Record pH in the test log evelY 15 minutes until 3 successive measurements are less than 0.1 pH units apart.

h. Re-start level control.

8.3.4 Adjust pH to 7.9 as detailed below.

Note: The following sub-steps may be repeated in order to add the required amount of material.

a. __ Add sodium tetraborate in 5 Ibm or less increments while monitoring pH to achieve a pH of 7.9. Record quantity of sodium tetraborate added in test log.

b. __ Record pH in the test log every 15 minutes until 3 successive measurements are less than 0.1 pH units apart between increments.

Note: Due to size of tank, it may be easy to overshoot pH. Use caution to prevent overshoot and wait at least 45 minutes before trimming/cOlTecting pH.

DRAFT CIT Test Plan; Page 17

DRAFT 8.3.5 .__ Add 1.14 g of 32% calcium chloride solution to the test tank.

8.3.6 __ Add 159 g of 41 ° Baume sodium silicate solution to the test tank.

8.3.7 __ Ensure that all operating parameters arc within the following parameters.

Total System Flow Rate: 110 gpm (+1- 5 gpm)

Cooled Recirc Loop Flow Rate: 78 gpm (+1-3 gpm)

Bulk Tank Temperature: 190°F (+1- 5°F)

Cooled Recirc Loop Flow Temperature: [Tank Temp - 40°F] (+1- 2.5°F)

Temperature: 190°F (+1- 5°F)

pH: 7.8 - 8.0

Data collection system operational 8.3.8 __ Measure and record water level and dP across strainer. Collect water sample.

8.4 Test Stage 3: Simulation of Aluminum Release 8.4.1 Start aluminum nitrate addition. This step represents time equal to zero. Add 10.1 gal of 0.167% aluminum nitrate solution at a rate of approximately 1.27 gph. The total volume is to be added at 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months .

8.4.2 __ At 30 minutes, start temperature decline at a rate of 3.3°F/hour. At 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months , the system should be at 185°F and remain constant until 10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months .

8.4.3 __ At 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months , add 8.3 gal of 0.167% aluminum nitrate solution to a rate of approximately 0.83 gph. The total volume is to be added at 18 hours2.083333e-4 days 0.005 hours 2.97619e-5 weeks 6.849e-6 months . Measure and record water level. Collect water sample. Measure pH at 77°F.

8.4.4 __ At 10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months , start temperature decline at a rate ofO.8°F/hour. At 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , the system should be at 155°F.

8.4.5 __ At 18 hours2.083333e-4 days 0.005 hours 2.97619e-5 weeks 6.849e-6 months , add 3.3 gal of 0.167% aluminum nitrate solution at a rate of approximately 0.55 gph. The total volume is to be added at 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

8.4.6 __ At 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months , add 10.0 gal of 0.167% aluminum nitrate solution at a rate of approximately 0.42 gph. The total volume is to be added by 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months . Measure and record water level. Collect two water samples. Measure pH at 7TF.

8.4.7 __ At 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , add 12.1 gal of 0.167% aluminum nitrate solution at a rate of approximately 0.26 gph. The total volume is to be added by 96 hours0.00111 days 0.0267 hours 1.587302e-4 weeks 3.6528e-5 months . Also, start temperature decline at a rate of 0.17°F/hour. At 192 hours0.00222 days 0.0533 hours 3.174603e-4 weeks 7.3056e-5 months , the system should be at 130°F. Measure and record water level. Collect two water samples. Measure pH at 77°F.

8.4.8 __ Day 4 (72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months ) - Measure and record water level. Collect two water samples.

Measure pI-I at 77°F.

8.4.9 __ At 96 hours0.00111 days 0.0267 hours 1.587302e-4 weeks 3.6528e-5 months , add 12.3 gal of 0.167 % aluminum nitrate solution at a rate of approximately 0.18 gph. The total volume is to be added by 168 hours0.00194 days 0.0467 hours 2.777778e-4 weeks 6.3924e-5 months . Measure and record water level. Collect water sample. Measure pH at 77°F.

8.4.10 _ _ Day 6 (120 hours0.00139 days 0.0333 hours 1.984127e-4 weeks 4.566e-5 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.11 __ Day 7 (144 hours0.00167 days 0.04 hours 2.380952e-4 weeks 5.4792e-5 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

DRAFT CIT Test Plan; Page 18

DRAFT 8.4.12 _ _ At 168 hours0.00194 days 0.0467 hours 2.777778e-4 weeks 6.3924e-5 months , add 15.1 gal of 0.167 % aluminum nitrate solution at a rate of approximately 0.13 gph. The total volume is to be added by 288 hours0.00333 days 0.08 hours 4.761905e-4 weeks 1.09584e-4 months . Measure and record water level. Collect water sample. Measure pH at 77"F.

8.4.13 _ _ At 192 hours0.00222 days 0.0533 hours 3.174603e-4 weeks 7.3056e-5 months , start temperature decline at a rate of 0.05°F/hour. At 576 hours0.00667 days 0.16 hours 9.523809e-4 weeks 2.19168e-4 months , the system should be at llOoF. Measure and record water level. Collect water sample.

Measure pH at 77"F.

8.4.14 Day lO (216 hours0.0025 days 0.06 hours 3.571429e-4 weeks 8.2188e-5 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.15 _ _ Day 11 (240 hours0.00278 days 0.0667 hours 3.968254e-4 weeks 9.132e-5 months ) - Measure and record water level. Collect water sample.

Measure pH at 77"F.

8.4.16 Day 12 (264 hours0.00306 days 0.0733 hours 4.365079e-4 weeks 1.00452e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.17 _ _ At 288 hours0.00333 days 0.08 hours 4.761905e-4 weeks 1.09584e-4 months , add 21.6 gal of 0.167 % aluminum nitrate solution at a rate of approximately 0.10 gph. The total volume is to be added by 504 hours0.00583 days 0.14 hours 8.333333e-4 weeks 1.91772e-4 months . Measure and record water level. Collect water sample. Measure pH at 77°F.

8.4.18 _ _ Day 14 (312 hours0.00361 days 0.0867 hours 5.15873e-4 weeks 1.18716e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77"F.

8.4.19 _ _ Day 15 (336 hours0.00389 days 0.0933 hours 5.555556e-4 weeks 1.27848e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.20 _ _ Day 16 (360 hours0.00417 days 0.1 hours 5.952381e-4 weeks 1.3698e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.21 _ _ Day 17 (384 hours0.00444 days 0.107 hours 6.349206e-4 weeks 1.46112e-4 months ) - Measure and record water level. Collect water sample.

Measure pI-I at 77°F.

8.4.22 _ _ Day 18 (408 hours0.00472 days 0.113 hours 6.746032e-4 weeks 1.55244e-4 months ) - Measnre and record water level. Collect water sample.

Measure pH at 77°F.

8.4.23 _ _ Day 19 (432 hours0.005 days 0.12 hours 7.142857e-4 weeks 1.64376e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 7TF.

8.4.24 _ _ Day 20 (456 hours0.00528 days 0.127 hours 7.539683e-4 weeks 1.73508e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.25 _ _ Day 21 (480 hours0.00556 days 0.133 hours 7.936508e-4 weeks 1.8264e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.26 _ _ At 504 hours0.00583 days 0.14 hours 8.333333e-4 weeks 1.91772e-4 months , add 5.3 gal of 0.167 % aluminum nitrate solution at a rate of approximately 0.04 gph. The total volume is to be added by 672 honrs. Measnre and record water level. Collect water sample. Measure pH at 77"F.

8.4.27 _ _ Day 23 (528 hours0.00611 days 0.147 hours 8.730159e-4 weeks 2.00904e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.28 _ _ Day 24 (552 hours0.00639 days 0.153 hours 9.126984e-4 weeks 2.10036e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

8.4.29 _ _ At 576 hours0.00667 days 0.16 hours 9.523809e-4 weeks 2.19168e-4 months , start temperature decline at a rate ofO.28°F/hour to a temperature of 90°F. Measure and record water level. Collect water sample. Measure pH at 77°F.

8.4.30 _ _ Day 26 (600 hours0.00694 days 0.167 hours 9.920635e-4 weeks 2.283e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F.

DRAFT CIT Test Plan; Page 19

DRAFT 8.4.31 _ _ Day 27 (624 hours0.00722 days 0.173 hours 0.00103 weeks 2.37432e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 7rF.

8.4.32 _ _ Day 28 (648 hours0.0075 days 0.18 hours 0.00107 weeks 2.46564e-4 months ) - Measure and record water level. Collect water sample.

Measure pH at 77°F. Check that temperature has reached 90°F. The system should be constant at 90°F for the remainder of the test.

8.4.33 _ _ Day 29 (672 hours0.00778 days 0.187 hours 0.00111 weeks 2.55696e-4 months )- Measure and record water level. Collect water sample.

Measure pH at nOF. Stop Aluminum Nitrate injection.

8.4.34 _ _ Day 30 (696 hours0.00806 days 0.193 hours 0.00115 weeks 2.64828e-4 months )- Measure and record water level. Collect water sample.

Measure pH at nOF.

8.4.35 _ _ End of Day 30 (720 hours0.00833 days 0.2 hours 0.00119 weeks 2.7396e-4 months )- Measure and record water level. Collect water sample.

Measure pl-[ at nT.

8.5 Test Stage 4: Flow Sweeps 8.5.1 _ _ Increase flow to 120 gpm. Hold the flow steady for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or until [-IL is stable within 1% for IS min. Record stable DP ..

8.5.2 _ _ Increase flow to 130 gpm. Hold the flow steady for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or until HL is stable within 1% for 15 min. Record stable DP.

8.5.3 _ _ Increase flow to 140 gpm. Hold the flow steady for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or until HL is stable within 1% for IS min. Record stable DP.

8.5.4 _ _ Decrease flow to 110 gpm. Hold the flow steady for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or until HL is stable within 1% for 15 min. Record stable DP.

8.5.5 _ _ Decrease flow to 100 gpm. Hold the now steady for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or until HL is stable within 1% for 15 min. Record stable DP.

8.5.6 _ _ Decrease flow to 90 gpm. Hold the now steady for I hour or until HL is stable within 1% for 15 min. Record stable DP.

8.5.7 _ _ Decrease now to 80 gpm. I-Iold the flow steady for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or until HL is stable within 1% for 20 min. Record stable DP.

8.5.8 _ _ Decrease now to 70 gpm. I-Iold the now steady for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or until HL is stable within 1% for 15 min. Record stable DP.

DRAFT CIT Test Plan; Page 20

DRAFT 9.0 Quality Assurance Requirements:

The scope of this testing is nuclear safety-related. The testing described above shall be completed by Wyle Laboratory under Wyle Laboratory's Quality Assurance Program. Wyle Lab's Quality Assurance Program (QAP) must comply with 10 CPR 50 Appendix B, ASME NQA-l, and ANSI N45.2. Wyle Lab measurement and test equipment used during the test must be calibrated in accordance with Wyle Lab's QAP, and must be traceable to NIST calibration standards.

DRAFT CIT Test Plan; Page 21

DRAFT ENCLOSURE 1: DETAILED DEBRIS PREPARATION INSTRUCTIONS Part 1 - Particulate Preparation:

1. Measure out the proper amount of PC I latent ditt mix as directed by procedure. Complete a new copy of "Latent Ditt Loading FOtm" (Enclosure 2) for each load batch.

2. Assure there are clean buckets to place this mix in.

3. Examine and photograph the measured amount, looking carefully for foreign particles.

4. Pour debris in to bucket carefully to avoid dust exposure, label and photograph. Assure the photograph shows the Batch Code.

5. Slowly add water until bucket is approximately 50% full.

6. Agitate for 15 seconds just prior to tank introduction.

7. Measure out the proper amount of silicon carbide powder as directed by procedure.

Complete a new copy of "Coatings Sun'ogate (Silicon Carbide) Loading Fotm" (Enclosure 3) for each load batch.

8. Assure there are clean buckets to place this mix in. Nominal maximum load per bucket is 5 Ibs.

9. Examine and photograph the measured amount, looking carefully for foreign patticles.

10. Pour debris in to buckets carefully to avoid dust exposure, label and photograph. Assure the photograph shows the Batch Code.

11. Slowly add water until buckets are approximately 50% full.

12. Agitate for 15 seconds just prior to tank introduction.

Part 2 - Fiber Debris Preparation:

1. All fiber to be used shall be baked at 450 deg F (nominal) for at least 5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months prior to use.

2. Measure out the proper amount of fibers. Initiate a new copy of the "Fiber Loading Form" (Enclosure 4) including assigning a batch number to the load.

3. Assure there is a clean bucket for every nominal 0.25 Ib of fiber to be added.

4. Add fiber to buckets, making sure that there is a nominal maximum of 0.25 Ib of fiber is in each bucket.

5. Slowly add water until bucket is approximately 50% full.

6. Mix fiber for a minimum of 2 minutes to produce approximately 100% fines

7. Obtain sample of the fiber I water mix while agitating the bucket.

8. Place sample in a clear shallow container.

9. Photograph the fiber and determine if the percentage of fines criteria is met. Assure the photograph shows the Batch Code. If the fiber does not have enough tines, agitate additionally as required and repeat steps 7 and 8.

10. Agitate for 15 seconds just plior to tank introduction.

DRAFT CIT Test Plan; Page 22

DRAFT ENCLOSURE 2: LATENT DIRT LOADING FORM Date: _ _ _ _ _ _ __ TEST NUMBER: _ _ _ _ _ _ __

BATCH CODE FOR LATENT DIRT:

Goal Weight for Latent Dirt Mix: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Actual Weight for Latent Dirt Mix: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Photograph Taken? _ _ _ __ Mixed 15 seconds prior to use? _ _ __

Date and Time of Addition to Tank:

Comments: ________________________________

Technician: __________________________________

Engineer: ____________________________________

Duke Representative: _____________________"""-________

DRAFT CIT Test Plan; Page 23

DRAFT ENCLOSURE 3: COATINGS SURROGATE (Silicon Carbide) LOADNG FORM Date: _ _ _ _ _ _ __ TEST NUMBER: _ _ _ _ _ _ __

BATCH CODE FOR COATINGS: _ _ _ _ _ _ _ _ _ _ _ _ _ __

Goal Weight for Coatings Surrogate Mix: ______________________

Actual Weight for Coatings Surrogate Mix: _____________________

Photograph Taken? _ _ _ __ Mixed 15 seconds prior to use? _ _ __

Date and Time of Addition to Tank: ________________

Comments: _______________- ________________

Technician: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Engineer: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ~ _ _ _ _ _ _ _ _ __

Duke Representative: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

DRAFT CIT Test Plan; Page 24

DRAFT ENCLOSURE 4: FIBER LOADING FORM Date: TEST NUMBER: _ _ _ _ _ __

BATCH CODE FOR FIBER:

Fiber Baked Properly:

Goal Weight for Fiber: __________________________

Actual Weight for Fiber: __________________________

Photograph Taken? _ _ _ __ Mixed 15 seconds prior to use? _ _ __

Date and Time of Addition to Tank:

Comments:

Technician: __________________________________

Engineer: _________________________________________

Duke Representative: _____________- ___________

DRAFT CIT Test Plan; Page 25

ML101260445

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2.0 Objectives

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