ML20067D384
| ML20067D384 | |
| Person / Time | |
|---|---|
| Site: | 05200003 |
| Issue date: | 02/22/1994 |
| From: | Liparulo N WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
| To: | Borchardt R NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20067D379 | List: |
| References | |
| AW-94-595, NUDOCS 9403080196 | |
| Download: ML20067D384 (9) | |
Text
{{#Wiki_filter:_ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Westinghouse Energy Systems $43y ,3g g3g Electric Corporation AW-94-595 February 22,1994 Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555 ATTENTION: MR. R. W. BORCHARDT APPLICATION FOR WITHHOLDING PROPRIETARY INFORMATION FROM PUBLIC DISCLOSURE
SUBJECT:
AP600 TESTING PROGRAM REPORTS (WCAP-13345, WCAP-13963, WCAP-13975)
Dear Mr. Borchardt:
The application for withholding is submitted by Westinghouse Electric Corporation (" Westinghouse") pursuant to the provisions of paragraph (b)(1) of Section 2.790 of the Commirsion's regulations. It contains commercial strategic information proprietary to Westinghouse and customarily held in confidence. The proprietary material for which withholding is being requested is identified in the proprietary version of the subject report. In conformance with 10CFR Section 2.790, Affidavit AW-94-595 accompanies this application for withholding setting forth the basis on which the identified proprietary information may be withheld from public disclosure. l Accordingly, it is respectfully requested that the subject information which is proprietary to Westinghouse be withheld from public disclosure in accordance with 10CFR Section 2.790 of the Commission's regulations. Correspondence with respect to this application for withholding or the accompanying affidavit should reference AW-94-595 and should be addressed to the undersigned. Very truly yours,
/
6 ~ A p ;> N. J. Liparulo, h'fa ager q Nuclear Safety And Regulatory Activities
/nja
--_ cc: Kevin Bohrer NRC 12H5 - 9403080196 940222 PDR ADOCK 05200003 A PDR 1527A
COPYRIGIIT NOTICE The reports transmitted herewith each bear a Westinghouse copyright notice. The NRC is permitted to make the number of copies of the information contained in these reports which are necessary for its internal use in connection with generic and plant-specific reviews and approvals as well as the I issuance, denial, amendment, transfer, renewal, modification, suspension, revocation, or violation of a license, permit, order, or regulation subject to the requirements of 10 CFR 2.790 regarding restrictions on public disclosure to the extent such information has been identified as proprietary by Westinghouse, copyright protection not withstanding. With respect to the non-proprietary versions of these reports, the NRC is permitted to make the number of copics beyond those necessary for its internal use which are necessary in order to have one copy available for public viewing in the appropriate docket files in the public document room in Washington, D.C. and in local public document rooms as may be required by NRC regulations if the number of copics submitted is insufficient for this purpose. The 3 NRC is not authorized to make copies for the personal use of members of the public who make use of I the NRC public document rooms. Copics made by the NRC must include the copyright notice in all instances and the proprietary notice if the original was identified as proprietary. i l i 0330A l 1
PROPRIETARY INFORMATION NOTICE Transmitted herewith are proprietary and/or non-proprietary versions of documents furnished to the NRC in connection with requests for generic and/or plant specific review and approval. In order to conform to the requirements of 10 CFR 2.790 of the Commission's regulations concerning the protection of proprietary information so submitted to the NRC, the information which is proprietary in the proprietary versions is contained within brackets, and where the proprietary information has been deleted in the non-proprietary veisions, only the brackets remain (the information that was contained within the brackets in the proprietary versions having been deleted). The justification for claiming the information so designated as proprietary is indicated in both versions by means of lower case letters (a) through (f) contained within parentheses located as a superscript immediately following the brackets enclosing each item of information being identified as proprietary or in the margin opposite such information. These lower case letters refer to the types of information Westinghouse customarily holds in confidence identified in Section (4)(ii)(a) through (4)(ii)(f) of the affidavit accompanying this transmittal pursuant to 10 CFR2.790(b)(1). 0330A i
AW-94-595 AFFIDAVIT COMMONWEALTH OF PENNSYLVANIA: ss COUNTY OF ALLEGHENY: Before me, the undersigned authority, personally appeared Brian A. McIntyre, who, being by me duly sworn according to law, deposes and says that he is authorized to execute this Affidavit on behalf of Westinghouse Electric Corporation (" Westinghouse") and that the averments of fact set forth in this Affidavit are true and correct to the best of his knowledge, information, and belief:
/ -.
L /P' , J - Brian A. McIntyre, Manager Advanced Plant Safety & Licensing Sworn to and subscribed before me this cd2 day of M' .1994 u Le+ 0 Notary Public NotaM Sed Rose Mar.e Payra f!,1ry Nic flonroeWe OcaJJ!qpir.y Cemty My Convrreon Egres Nov.4,1}M f,twier,Pennsylvarukraxt90nof totins 1530A
I AW-94-595 (1) I am Manager, Advanced Plant Safety and Licensing, in the Advanced Technology Business Area, of the Westinghouse Electric Corporation and as such, I have been specifically delegated the function of reviewing the proprietary information sought to be withheld from public disclosure in connection with nuclear power plant licensing and rulemaking proceedings, and am authorized to apply for its withholding on behalf of the Westinghouse Energy Systems Business Unit. (2) I am making this Affidavit in conformance with the provisions of 10CFR Section 2.790 of the Commission's regulations and in conjunction with the Westinghouse application for withholding accompanying this Affidavit. (3) I have personal knowledge of the criteria and procedures utilized by the Westinghouse Energy Systems Business Unit in designating information as a trade secret, privileged or as confidential commercial or financial information. (4) Pursuant to the provisions of paragraph (b)(4) of Section 2.790 of the Commission's regulations, the following is furnished for consideration by the Commission in determining whether the information sought to be withheld from public disclosure should be withheld. (i) The information sought to be withheld from public disclosure is owned and has been held in confidence by Westinghouse. (ii) The information is of a type customarily held in confidence by Westinghouse and not customarily disclosed to the public. Westinghouse has a rational basis for determining the types of information customarily held in confidence by it and, in that connection, utilizes a system to determine when and whether to hold certain types of information in confidence. The application of that system and the substance of that system constitutes Westinghouse policy and provides the rational basis required. Under that system, information is held in confidence if it falls in one or more of several types, the release of which might result in the loss of an existing or potential competitive advantage, as follows: 15.10A
AW.94-595 (a) The information reveals the distinguishing aspects of a process (or component, structure, tool, method, etc.) where prevention of its use by any of Westinghouse's competitors without license from Westinghouse constitutes a competitive economic advantage over other companies. (b) It consists of supporting data, including test data, relative to a process (or component, structure, tool, method, etc.), the application of which data secures a competitive economic advantage, e.g., by optimization or improved marketability. (c) Its use by a competitor would reduce his expenditure of resources or improve his competitive position in the design, manufacture, shipment, installation, assurance of quality, or licensing a similar product. (d) It reveals cost or price information, production capacities, budget levels, or commercial strategies of Westinghouse, its customers or suppliers. (e) It reveals aspects of past, present, or future Westinghouse or customer funded development plans and programs of potential commercial value to Westinghouse. (f) It contains patentable ideas, for which patent protection may be desirable. There are sound policy reasons behind the Westinghouse system which include the following: (a) The use of such information by Westinghouse gives Westinghouse a competitive advantage over its competitors. It is, therefore, withheld from disclosure to protect the Westinghouse competitive position. (b) It is information which is marketable in many ways. The extent to which such information is available to competitors diminishes the Westinghouse ability to sell products and services involving the use of the information. 1530A
AW-94-595 (c) Use by our competitor would put Westinghouse at a competitive disadvantage by reducing his expenditure of resources at our expense. 1 (d) Each component of proprietary information pertinent to a particular competitive advantage is potentially as valuabic as the total competitive advantage. If competitors acquire components of proprietary information, any one component may be the key to the entire puzzle, thereby depriving Westinghouse of a competitive advantage. (e) Unrestricted disclosure would jeopardize the position of prominence of Westinghouse in the world market, and thereby give a market advantage to the competition of those countries. (f) The Westinghouse capacity to invest corporate assets in research and development depends upon the success i:: obtaining and maintaining a competitive advantage. (iii) The information is being transmitted to the Commission in confidence and, under the provisions of 10CFR Section 2.790, it is to be received in confidence by the Commission. (iv) The information sought to be protected is not available in public sources or available information has not been previou. sly employed in the same original manner or method to the best of our knowledge and belief. (v) Enclosed is Letter NTD-NRC-94 4068, February 22,1994, being transmitted by Westinghouse Electric Corporation (_W) letter and Application for Withholding Proprietary Information from Public Disclosure, N. J. Liparulo (M, to Mr. R. W. Borchardt, Office of NRR. The proprietary information as submitted for use by Westinghouse Flectric Corporation is in response to questions concerning the AP600 plant and the associated design certification application and is expected to be applicable in other licensee submittals in response to certain NRC requirements for justification of licensing advanced nuclear power plant designs. 1530A
1 AW-94-595 This information is part of that which will enable Westinghouse to: (a) Demonstrate the design and safety of the AP600 Passive Safety Systems. (b) Establish applicable verification testing methods. ) 1 (c) Design Advanced Nuclear Power Plants that meet NRC requirements. (d) Establish technical and licensing approaches for the AP600 that will ultimately result in a certified design. l l (e) Assist customers in obtaining NRC approval for future plants. Further this information has substantial commercial value as follows: (a) Westinghouse plans to sell the use of similar information to its customers for purposes of meeting NRC requirements for advanced plant licenses. (b) Westinghouse can sell support and defense of the technology to its customers in the licensing process. Public disclosure of this proprietary information is likely to cause substantial harm to the competitive position of Westinghouse because it would enhance the ability of competitors to provide similar advanced nuclear power designs and licensing defense services for commercial power reactors without commensurate expenses. Also, public disclosure of the information would enable others to use the information to meet NRC requirements for licensing documentation without purchasing the right to use the information. The development of the technology described in part by the information is the result of applying the results of many years of experience in an intensive Westinghouse effort and the expenditure of a considerable sum of money. 1530A
l , AW-94-595 1 I l In order for comp:titos of Westinghouse to duplicate this information, similar technical programs would have to be performed and a significant manpower effort, 1 l having the requisite talent and experience, would have to be expended for developing j l i analytical methods and receiving NRC approval for those methods. Further the deponent sayeth not. l l i I l I l 1530A
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t l WESTINGHOUSE PROPRIETARY CLASS 3 i f WCAP-13345 Rev.2 1 l AP600 CORE MAKEUP TANK (CMT) TEST SPECIFICATION L. Conway i l l { ! t i Westinghouse Electric Corporation Energy Systems P. O. Box 355 Pittsburgh, Pennsylvania 15230
@ 1994 Westinghouse Electric Corporation
AP600 DOCUMENT COVER SHEET Form 58202F(9S3)[WP xxxx] AP600 CENTRAL FILE USE ONLY: RFS #: RFS ITEM #: j 0058.FRM AP600 DOCUMENT NO. REVISION NO. PAGES ATTACHED ASSIGNED TO PXS TIP 005 4 ALTERNATE DOCUMENT NUMBER: WCAP-13345 Rev. 2 ATTACHMENTS l DESIGN AGENT ORGANIZATIC'NWestinghouse Electric l PROJECT: AP600 WORK BREAKDOWN #: 2.6.10.1 TITLE: AP600 Core Makeup Tank (CMT) Test Specification i I CALCULATION / ANALYSIS
REFERENCE:
DCP #/REV. INCORPORATED: ELECTRONIC FILENAME: IAPPLICATION: Wordperfect WESTINGHOUSE PROPRIETARY CLASS 2 This document contains informabon propnetary to Westinghouse Electnc Corporabon: it is submitted in confidence and is to be used soley for the purpose for which it is fumished and retumed upon request. This document and such information is not to be reproduced, transmitted, disclosed or used otherwise in whole or in part without pnor wntten authonzation of Weshnghouse Electnc Corporation. Energy Systems Business Unit, subject to the legends conta!ned hereof. I
@ WESTINGHOUSE CLASS 3 (NON PROPRIETARY) m DOE DESIGN CERTIFICATION PROGRAM GOVERNMENT LIMITED R GHTS STATEMENT [See reverse sede of this form]
O (C) WESTINGHOUSE ELECTRIC CORPORATION 19_ A l cense is reserved to the U.S. Govemment under contract DE-AC03-90SF18495. O DOE CONTRACT DELIVERABLES (DELIVERED DATA) Subject to specified excephons, disclosure of this data is restncted unbl September 30,1995 or Design Cerbfcation under DOE contract DE-AC03-90SFIB495, whchever is later. l EPRI CONFIDENTIAUOBLIGATION NOTICES: NOTICE: 1 2 3 40 s CATEGORY: A B C D0 EOF 0 ARC FOAKE PROGRAM ARC LIMITED RIGHTS STATEMENT [See reverse side of this form) l (C) WESTINGHOUSE ELECTRIC CORPORATION 19_ ! A Icense is reserved to the U.S. Gcr.emment under contract DE-FC02-NE34267 and subcontract ARC-93-3-SC-001. ARC CONTRACT DELIVERABLES (DELIVERED DATA) i Subject to specified exceptons, disclosure of this data is restncted under ARC Subcontract ARC-93-3 SC@1. 1 ORIGINATOR SIGNATURE /DATE / L. E. Conway ape 00 RESPONSIBLE MANAGER SIG s E' 8/// M ggg' APPROVApAT 7((p f E. J. Pipiica f, qm 9 f p cd2 /d
" Approval of the respons4tHe manager signrfses that do entis ele, all quired reviews are complete, e6 ectr 6ne fdefas attached and document is released for use.
WESTINGHOUSE PROPRIETARY CLASS 3 Table of Contents l Section Title Pace No. l l 1.0 Introduction / Purpose 1-1 Test Objectives 2-1 I 2.0 3.0 References 3-1 i l 4.0 Test Facility Requirements 4-1 5.0 Test Articles and Test Components 5-1 5.1 Core Makeup Tank 5-1 5.2 Piping 5-3 5.3 Level Controllers 5-4 5.4 Valves 5-4 6.0 Instrumentation Requirements 6-1 6.1 Temperature Instrumentation 6-1 6.2 Level Measurement 6-7 6.3 Pressure Instrumentation 6-7 l 6.4 Flow Instrumentation 6-8 7.0 Data Acquisition 7-1 7.1 DAS Components 7-1 7.2 Input Channels 7-1 , 7.3 Sampling Rates 7-1 ) 7.4 On-Line Data Storage 7-2 7.5 On-Line Display 7-2 7.6 Test Validation 7-3 7.7 Data Transmittal 7-3 8.0 Test Operation 8-1 8.1 Cold Pre-Operational Tests 8-1 8.2 Hot Pre-Operational Tests 8-1 8.3 Matrix Test 8-2 8.3.1 Steam Condensation on CMT Walls and Water Surface 8-2 8.3.2 CMT Heat Transfer During Depressurization 8-4 8.3.3 CMT Draindown Tests 8-4 8.3.4 Natural Circulation Followed by Draindown 8-5 i 8.3.5 CMT Heat Up and Draindown Initiation with Noncondensible Gases 8-6 l l 9.0 Test Reports and Data Requirements 9-1 9.1 Test Criteria 9-1 l l 9.2 Day-of-Test Report 9-1 9.3 Final Test Report 9-2 10.0 Quality Assurance Requirements 10-1 l l 1:WS70.wpf;1b/020394 jj
WESTINGHOUSE PROPRIETARY CLASS 3 List of Figures Floure No. Title Page No. 4-1 AP600 Core Makeup Tank Test Piping and Instrumentation Diagram 4-2 6-1 AP600 Core Makeup Tank Test CMT Instrumentation 6-4 6-2 Typical CMT Wall Thermocouple Installation 6-5 List of Tables Table No. Title Pace No. 6-1 AP600 CMT Test Instrument Ust 6-2 8-1 AP600 CMT Test Matrix 8-7 f I 1:b570.wpf:1b/020394 jjj
l WESTINGHOUSE PROPRIETARY CLASS 3 1 i f , ACRONYMS i l ADS automatic depressurization system CMT core makeup tank DAS data acquisition system DP delta pressure PCV pressure control valve RCS reactor coolant system RTD resistance temperature detector SWR steam water reservoir T/C thermocouple l l l I l l I t:W570.wpf:1b/020394 jy l
WESTINGHOUSE PROPRIETARY CLASS 3
1.0 INTRODUCTION
/ PURPOSE l
The AP600 Core Cooling System includes two core makeup tanks (CMTs) that are completely full of cold borated water and are located above the cold legs of the AP600 reactor coolant system (RCS). These tanks have a small, normally open steam supply line to the top of each CMT from the pressurizer, and a larger, normally closed water / steam supply line from the RCS cold leg. During accidents, these tanks will provide high pressure RCS makeup and safety injection to the reactor vessel via a discharge line from the bottom of each CMT to the reactor vessel. For events that result in a substantial loss of RCS inventory, the CMTs will drain and water level instrumentation, associated with the CMTs, is used to open the l automatic depressurization system valves from the pressurizer. This depressurization system reduces RCS pressure to near atmospheric pressure as the CMTs continue to drain. The purpose of this test is to simulate CMT operations over a wide range of prototypic pressures and temperatures, to demonstrate the operability of the CMT water level instrumentation, and to obtain data to support development and verification of computer models to be used in safety analyses and licensing of the AP600 design. This test is being performed by the Westinghouse AP600 Test Engineering group 1 (NATD/ATBA) at the Westinghouse Waltz Mill Site in Madison, PA. This test is sponsored by Westinghouse AP600 Test Engineering located at the Energy Center in Monroeville, PA. 1 l l cos70.wpt:1blo20394 11 l l
l l WESTINGHOUSE PROPRIETARY CLASS 3 I l 2.0 TEST OBJECTIVES The objectives of the CMT test are to: l l
= Simulate the AP600 CMT thermal-hydraulic phenomena over a full range of pressures and temperatures - Obtain detailed experimental results for verification of computer codes used for AP600 j analyses . Verify the operability of the heated resistance temperature detector (RTD) CMT level ;
instrumentation l l 1 l I l l l l l l l l l l i 1 i 1:2570 wpf:1b/020394 2.j
WESTINGHOUSE PROPRIETARY CLASS 3
3.0 REFERENCES
- 1) AP600 Design Report (Rev. 0), Jan.1989, DE-ACO3-865F16038.
- 2) Letter NS-SAT-THA-90-023, instrumentation Requirements for the AP600 CMT Test.
- 3) Letter SEE-TE(93)-022, AP600 CMT Test, Cold Pre-operational Test Plan.
- 4) Letter SEE-TE(93)-058, AP600 CMT Hot Pre-operational Test Plan. l
- 5) Letter SEE-TE(92)-0081, AP600 CMT Test Matrix. l
- 6) Letter SEE-TE(92)-0036, CMT Test, Tank Length. l
- 7) Letter SEE-TE(93)-1128, CMT Test Steam Distributor.
- 8) Letters NSE/TEG 0005 and NSE/TEG004, Afternate CMT Test Diffuser Design for l Waltz Mill.
- 9) Letter SEE-TE(93)-171, CMT Test Plan.
l
- 10) CMT Test Quality Plan; GW-GAM-003, Rev. 2.
I l l 1:WS70.wpf:1b/021694 3-1
i WESTINGHOUSE PROPRIETARY CLASS 3 : 1 4.0 TEST FACILITY REQUIREMENTS l l The test facility for the CMT Test shall have the following capabilities: ; I A) A saturated steam supply with a controlled pressure range from 2250 psia to 20 psia and a capacity, at 2250 psig, of approximately 60,000 lbs/hr. (Note that this high steam suppiy rate will only be required for a short time period when the " empty" CMT is l initially pressurized. See Section 8.0, Test Operations.) The required steam flow rate 1 will vary greatly during testing due to the wide range of CMT drain rates and steam pressures being tested, the changing amount of steam condensed on the CMT inner surfaces versus time, and the different facility arrangements being tested. Therefore, a steam accu,. '-*nr combined with a modest capacity steam boiler may be required to cover the entire range of expected steam flow rates, down to a minimum of 25 lbs/hr. Note that the above steam supply requirements are based on the use of a CMT that is j l approximately 2 feet in diameter and approximately 10 feet in height (-20 ft ); this CMT f i is described in Section 5.0, Test Articles and Test Components. ! B) A steam / water reservoir designed for 2500 psia and 668 F. This reservoir permits simple gravity drain of the CMT under all pressure conditions. Figure 4-1 provides a schematic of the anticipated test arrangement including the reservoir and required piping connections. The tank is to be designed to withstand repeated injections of cold CMT water into the bottom of the reservoir. l l C) Adequate head room to simulate the prototypic height between the CMT and the water reservoir. This requires that the top of the CMT be located approximately 28 feet above the steam / water reservoir water level. l I t:V570.wpf:1b/020394 41
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s . wm . o. _g v r mt..= swp LEVEL c0NTROL Figure 4-1. AP600 Core Makeup Tank Test Piping and Instrumentation Diagram
i WESTINGHOUSE PROPRIETARY CLASS 3 i ! D) Adequate space for the CMT, steam water reservoir, steam accumulator, boiler and !; their associated piping, supports, and instrumentation such that the test can be i constructed and operated with efficiency and safety. l 1 E) A data acquisition system (DAS) to record signals from the thermocouples, pressure l j sensors, flow meters, and other instrumentation described in Section 6.0, 2 ! Instrumentation Requirements. F) The capability to draw a vacuum to 10 inches of water pressure in the CMT and , associated piping (and reservoir) to remove air prior to performing the tests. G) Provisions to cool down the CMT so that it can be refilled with cold water to reduce the time between test runs. This can be accomplished by air cooling, water cooling, or a combination of methods. I l l I tM570.wptib/020394 43
WESTINGHOUSE PROPRIETARY CLASS 3 5.0 TEST ARTICLES AND TEST COMPONENTS The CMT tank, the prototypic type CMT level device (see Section 6.0) and any steam distnbuting device used in the CMT tank inlet (see Reference 9 in Section 3.0) are regarded ) as the test articles. The steam supply, steam / water reservoir in Section 3.0, and associated l piping, valves and instrumentation with the test articles are to comprise the CMT test facility. Refer to the schematic of the CMT test shown in Figure 4-1. The required design pressure l and temperature for the CMT test facility is to be >2500 psia and 668 F. All tanks, piping, and valves are to be designed in accordance with applicable code j requirements (e.g., ASME Div.1, Section Vill for tanks, B31.1 Power Piping Code for piping) for non-nuclear components consistent with design pressure and temperature, and to withstand the repeated heat-up and cool-down transients derived from the tests described in Section 8.0. Also, as noted in Section 4.0, item F, the CMT and portions of the attached piping are to be designed for a vacuum to 10 inches of water pressure absolute. ) 5.1 Core Makeup Tank The test group conducting the CMT test will be responsible for the design, specification, and procurement of the test vessel. The vessel specification shall be submitted to the test sponsor for review and approval before vessel procurement. The CMT shall comply with the following specifications:
. Tank ID: 19.3 inches (based on 24-inch Schedule 160 pipe) ; . Tank Length: -10 feet overall . Tank Volume: ~18 feet (with 2:1 elliptical end caps) . Material: Carbon Steel . Tank Penetrations Top Head:
1%-inch Schedule 160 steam inlet Upper pressure / level tap l At least three penetrations for thermocouples 1:VS70.wptibC20394 5-1
WESTINGHOUSE PROPRIETARY CLASS 3
- Bottom Head:
1%-inch Schedule 160 water outlet
-- 3-inch Schedule 160 level instrument port
-- Lower pressure / level tap l
Cylindrical Portion: l
-- Level taps (test performer to determine if additional level taps and level instruments are required to obtain the accuracy specified in Section 6.0, Table 6-1)
-- 4 sets of CMT wall thermocouples l
- 30 thermocouple penetrations l
Additional information on the CMT penetration locations and instrumentation is provided in Section 6.0, Instrumentation Requirements and in Figures 6-1 and 6-2. The CMT is to be mounted vertically and elevated such that the top of the CMT is located l approximately 28 feet above the steam / water reservoir water level. l l At least two samples of the tank cylindrical section material are to be tested to document the l l thermal conductivity of the tank material. i 1 5.2 Piping l CMT Steam Supply Line No.1 Simulates the Pressurizer to CMT Balance Line A 1%-inch pipe is to be routed continuously upward from the steam / water reservoir steam space to a high point above the CMT, such that no water traps form due to steam condensation. From the high point, the steam supply piping shall slope slightly downward to the CMT intet. This piping shall be supported so that when it is hot, the pipe will remain slightly sloped toward the CMT or be horizontal. Twenty to forty feet of sloped pipe is to be provided, as dictated by the test facility layout. This piping (and included valves) is to be insulated so that the line will heat up and remain at t:V570.wpf:1b/020394 5-2
WESTINGHOUSE PROPRIETARY CLASS 3 the steam saturation temperature corresponding to the pressure of the test run, CMT Steam Supply Line No. 2 Simulates the Cold Leo to CMT Balance Line A 1%-inch pipe is to be routed from the steam / water reservoir to the CMT inlet. This line shall extend four feet into the reservoir so that its end is below a "HI" reservoir water level setpoint but is above a "LO" reservoir water level setpoint. I This pipe shall be routed from the steam / water reservoir as follows: 10-foot vertical run (includes section within reservoir)
. ~12-foot run sloped at ~60 from the horizontal 1 . ~12-foot run slightly sloped (2.5 ) toward the reservoir that contains the isolation valve . 10-foot vertical run which intersects with steam supply line no.1 . 2-foot run slightly sloped (2.5 ) toward the CMT inlet elbow i This piping (and included valve) is to be heat traced and insulated from the reservoir to the " tee" with steam supply line no.1. Thermocouples are to be installed at 10-foot spacings. l The heat tracing and thermocouples shall be used to heat and maintain the water in this line at a desired temperature, up to the saturation temperature corresponding to the pressure of ,
the test run. The remaining portion of this line, from the isolation valve to the elbow above the l CMT, shall be insulated. This pipe shall include a small drain line located on the CMT side of the isolation valve, to the steam / water reservoir. This drain shall be used to assure that no water collects in the slightly sloped portion of the steam supply line no.1. A 1%-inch flanged inlet to the CMT is to be provided that shall accommodate a 1-inch Schedule 160 pipe, held in place by the flanges (See Section 6.0, Figure 6-1). 1%-Inch CMT Water Discharoe Line to the Reservoir Because this piping drains by gravity, no portion of the piping is to be located above the CMT outlet. A water flow measurement is required to measure the full range of CMT drain rates tested. A turbine meter (or meters) or multiple flow orifices may be used, as determined by the test performer. 130570.wpt1b/020394 5-3
WESTINGHOUSE PROPRIETARY CLASS 3 5.3 Level Controllers l l A level control system and level control valve (See Section 4.0, Figure 4-1) are to be provided l [ to maintain fixed CMT water levels during some of the specified tests to directly measure the amount of steam condensed on the CMT walls. These levels (described in Section 6.0) shall correspond to closely spaced groups of thermocouples extending into the CMT. A remotely actuated drain valve is to be provided, as shown in Section 4.0, Figure 4-1, to drain water from the steam / water reservoir so that the portion of steam supply line no. 2, that extends into the steam / water reservoir can be uncovered when the CMT is being drained, or to permit adjusting the steam water reservoir level to the desired test setpoint. 5.4 Valves As shown in Figure 4-1, several different types of valves are to be provided in the CMT steam inlet and water discharge lines. Requirements for these valves are listed in A through I below. A) The isolation valve in steam supply line no.1 shall:
. be remotely operated with a "f ail closed" type actuator with the capability to adjust its opening time up to approximately 2 to 10 seconds e allow water in the piping to drain completely and smoothly toward the CMT (through its orientation / location)
. have a minimum Cy to provide an overall piping resistance of ~3 ft/gpm'.
. have the capability to be remotely positioned from a control board B) The isolation valve in the steam supply line no. 2 shall:
. be a globe valve (to simulate the AP600)
- be remotely operated with a " fail closed" type actuator with the capability to adjust its opening time up to 10 seconds
- be installed so that flow to the CMT is from below the valve seat / plug 1:W570.wpf:1b/020394 5-4
l WESTINGHOUSE PROPRIETARY CLASS 3 C) The isolation valve in the CMT water discharge line shall: I . be a globe valve (similar or identical to the steam supply line no. 2 isolation valve)
. be remotely operated with a " fail closed" type actuator with the capability to adjust its opening time up to 10 seconds
. be installed so that flow from the CMT is from below the valve seat / plug D) The valve (s) in the CMT reservoir vent line(s) shall:
. be remotely operable
. be subjected to high delta pressure (DP), choked steam flow when the CMT is depressurized l E) The CMT level control valve shall: l i
. have a flow range is 0 to 25 gpm at a maximum DP of 2235 psig l l
= be remotely operated with a " fail closed" type actuator
. have the capability to be positioned based on a level signal from the CMT level transmitters F) The steam / water reservoir drain valve shall:
. required flow range is 2 to 25 gpm with a DP range of up to 2235 psig
. be remotely operated with a " fait closed" type actuator G) The check valves in the steam supply and discharge piping are to be swing check valves. These valves should be mounted in the horizontal (or slightly sloped) piping runs.
l H) The manual throttle valve, provided in the CMT discharge line, is to be capable of adjusting the CMT minimum gravity drain rate down to approximately 2 gpm. l} A depressurization valve from the steam water reservoir shall:
. be remotely operated and be positionable
. be approximately 2 inches in size
. be a globe valve tM570.wpf:1b/020394 5-5
WESTINGHOUSE PROPRIETARY CLASS 3 6.0 INSTRUMENTATION REQUIREMENTS I The following instrumentation is to be provided for the AP600 CMT. The sensors and their requirements are listed in Table 6-1. Note: The accuracy of each instrument channel is to nominally be within 3%, including sensor, signal processing and final output. An error analysis of the instruments is to be provided by the test group to document the installed instrument channel accuracy. Figures 6-1 and 6-2 schematically illustrate the location of the sensors in the test facility. All sensor output signals are to be recorded during each matrix test. 6.1 Temperature instrumentation The temperature of the steam and/or water throughout the CMT test apparatus is to be i measured. Measurements are to include:
. The temperature of the steam supply into the steam / water reservoir . The temperatures of both the steam space and water in the steam / water reservoir . A temperature measurement of the water or condensed steam draining from the CMT in the CMT discharge line . A temperature measurement of the cooled fluid or condensed steam drained from the CMT via the extemal drain path; this temperature is provided to assure an accurate mass flow rate measurement of condensed steam . Four sets of CMT wall temperature measurements; each set consists of five thermocouples placed through the CMT wall. (As shown in Figure 6-2, the thermocouples in each set are to be placed such that one is at the tank wall inner surface,0.125,0.500, and 1.500 inches from the CMT wall inner surface, and one at the tank wall outer surface. All five thermocoupies in a set are to be at the same elevation and as close together as possible.)
Note: The thermocouples in the tank wall are placed in holes that are within 1015 inches of the depth required to be the desired distance from the tank inner surface. The steel thickness at the hole locations was determined by ultrasonic measurement and comparison with a reference block of metal. 1 I tM570.wpf.1b/020394 61
WESTINGHOUSE PROPRIETARY CLASS 3 TABLE 6-1 AP600 CMT TEST INSTRUMENT LIST INSTRUMENT TYPE DESCRIPTION INSTRUMENT QTY. RANGE Thermocouples CMT Wall Thermocouples 50450*F 22 34 Thermocouples CMT Fluid Thermocouples 50450 F 1 Thermocouple Steam in 50450*F 1 Thermocouple SWR Steam Temp 50450*F 1 Thermocouple SWR Water Temp 50450*F Thermocouple Ambient Temperature 50450"F 1 1 Thermocouple CMT Steam in 50450*F 1 Thermocouple CMT Steam Out 50450*F 1 DP Transmitter CMT Level 1-2 0-400 in H 2O (1) 1 DP Transmitter CMT Level 2-3 0400 in H 2O (1) 1 DP Transmitter CMT Level 3 4 0-400 in Hyo (1) 1 DP Transmitter CMT Level 4-5 0400 in H 70 (1) 1 DP Transmitter CMT Level 54 0400 in Hgo (1) 1 DP Transmitter Overall CliT Level 14 0-400 in Hpo (1) 1 DP Transmitter S/W RES Level 0-400 in H 2O (1) 1 DP Transmitter DP Across CMT Nozzle 0-30 PSI 1 DP Transmitter SL #1 Upstream DP 0-400 in H 2O (1) 1 DP Transmitter SL #1 Upstream DP - Reversed 0400 in H po (1) 1 DP Transmitter Steam Line #2 Upstream DP 0400 in H 2O (1) 1 DP Transmitter SL #1 Downstream DP 0400 in Hyo 1 DP Transmitter bt've uownstream DP 010 in Hpo 1 DP Transmitter Total SL #1 DP 0-3000 psi l 1 Pressure Transmitter Steam Une #1 Inlet 0-3000 psig (2) 1 Pressure Transmitter Steam Une #2 Inlet 0-3000 psig (2) 1 Pressure Transmitter SWR Press to PCV 0-3000 psig 1 Pressure Transmitter CMT Inlet Pressure 0-3000 psig (2) 1 Pressure Transmitter CMT Vessel Pressure 0-3000 psig (2) 1 Pressure Transmitter Barometric Pressure 0-15.0 psia 4 Prototype Level Instruments Temperature Sensor (Active RTD (3)) 0-800*F l l l I 1 I tn0570.wpf'.1b/021694 62
WESTINGHOUSE PROPRIETARY CLASS 3 l l 1 TABLE 6-1 AP600 CMT TEST INSTRUMENT LIST (cont.) l INSTRUMENT TYPE DESCRIPTION INSTRUMENT QTY. RANGE 4 Prototype Level Instruments Temperature Sensor (Reference RTD (3)) 0400*F CMT Discharge Line 2.0-75.0 gpm 1 Turbine Flow Meter CMT Condensate Drain 0.125-3.00 gpm 1 Turbine Flow Meter CMT Cnndensate Drain Elapsed Time 1.5-35.0 gpm 1 Turbine Flow Meter Notes: (1) Transmitter range can be remotely set between 1 and 400 inches of water (2) Transmitter range can be remotely set between 100 and 3000 psi (3) Prototype level instrument consisting of four sensors. Each sensor consists of a pair of RTDs arranged in a proprietary configuration. Each RTD pair consists of one heated (active) and one unheated (reference) RTD. The active and reference RTD in each pair provides a temperature measurement at the sensor location. l l l l l l l I l l tM570.wpf;1b/021694 6-3
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- 1) CMT VALL THEPMOCDUPLE l DC A T10NS
- 2) PRESSURE T AP LOC AlillNS
- 3) FCI LEVEL PROBE LOCATIONS Figure 6-1. AP600 Core Makeup Tank Test - CMT Instrumentation
- r. .
P 4
** ' t ' 1 s~ t
-f /
~
~
,/ .s e um e
,/ /
0125 / 0 500 x ,. 3 000 , . I k /
- E 8
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- 1) IC SOLDERED INTO 0.06 DP X 1.5 LG GROOVE CUT INTO CMT VALL
- 2) DRILL THRU AND T AP FOR 1/16* NPT
- 3) DRILL 1/4* DIA. FL AT BOTTOM HOLE 10 DEPTH AS SHOVit T AP FOR 1/16' NPI. INSERT IC VITH HOLC.
COPPER DISC AND PEEN INTO BOIIDM OF Figure 6-2. Typical CMT Wall Thermocouple Installation
WESTINGHOUSE PROPRIETARY CLASS 3 These temperature measurements will be used to determine the CMT wall temperatures j versus time to determine the local heat flux versus time through the CMT wall. The position of the thermocouple junctions in the tank wall shall be verified by ultrasonic measurement or other means:
- The inner and outer wall temperature of the CMT upper head shall be measured.
- Thirty-three (33) thermocouple.s are to be installed inside the CMT to measure fluid temperatures within the tank. These thermocouples may be individually inserted through 1 J
the CMT wall and should be able to be positioned at least 3 inches into the CMT. As l l shown in Figure 6-1, these thermocouples include four sets of five thermocouples with a 2-inch vertical spacing centered about the thermocouples in the CMT cylindrical wall. The remaining thermocouples are placed at approximately 6-inch spacing between the j 2-inch spaced sets of thermocouples.
- One (1) thermocouple to measure the ambient air temperature, is to be located near the bottom of the CMT.
i Premium grade, calibrated thermocouples shall be used and connected through controlled purity extension wire to the DAS equipment. Thermocouple sensors are listed in Table 6-1. The response time of the thermocouples shall be consistent with the data sampling rate specified in Table 6-1, l 6.2 Level Measurement Water level measursenents are to include:
- The water level in the steam / water reservoir is to be measured to allow the reservoir level to be adjusted.
l
- The water level in the CMT is to be measured and used to control the operation of the I l
CMT condensate drain level control valve. An overall level and five narrow range levels are to be provided.
- A prototypic type CMT level sensor shall be supplied by the test sponsor and installed in l the CMT. This instrument will be evaluated as a possible alternate to DP type instnJments. A 3-inch raised face flange connection is to be provided on the CMT bottom head for installation. Provisions for a 4-10 milliamp output from the level device and conversion to a 1-5 volt output for recording shall be included in the DAS.
l tM570.wpf;1b/020394 66 l l
WESTINGHOUSE PROPRIETARY CLASS 3 6.3 Pressure instrumentation Pressure measurements are to include:
- The pressure of the steam supply is to be measured (boiler discharge and/or steam accumulator tank).
- The steam pressure in the steam / water reservoir is to be measured. Also, this pressure is to be automatically maintained at a constant value throughout a given test run. Note that two or more sensors or a multiple range sensor may be required to accurately monitor and control steam pressure over the entire range of test pressures.
- The pressure in the CMT is to be measured throughout the test nJn. Two pressure sensors may be required to accurately monitor pressure over the entire pressure range of the test pressures. Attematively, a multiple range sensor can be provided.
- Two DP measurements between the steam / water reservoir and the top of the CMT are to be provided on each steam supply line to measure the flow resistance through the steam supply line or water discharge line and to observe / detect any steam / water interaction during CMT draindown.
Note that the effect of system temperature changes during CMT testing on pressure transducers or transmitters is to be minimized by the use of thermal traps. Note that if steam / water interactions occur in the CMT that cause significant pressure pulses, a high speed pressure transducer may be added to the CMT tank or piping as applicable. 6.4 Flow Instrumentation Flow measurements are to include:
- The amount of steam supplied to the CMT during a test run shall be calculated by measuring the DP across the steam supply piping and/or valves.
- The water drain rate from the CMT is to be measured. The type of flowmeters to be used, and the number needed to provide accurate flow measurement over the entire range of flow rates tested, are to be determined by the test group.
- A steam flowmeter may be provided in each of the two CMT steam supply lines from the steam / water reservoir. The type of flowmeter to record the expected flow rate is to be determined by the test group.
1:2570.wpf:1b/020394 67 p
.. . _- =__ - _ -- -- -. .- - - _ - - . - -
WESTINGHOUSE PROPRIETARY CLASS 3 l 7.0 DATA ACQUISITION The test facility shall provide a DAS that includes the equipment necessary to monitor and transmit the output signals generated by the various instruments used both in the control and monitoring of the test loop. l l 7.1 DAS Components i i The DAS components include signal amplifiers, signal conditioners, signal transmitters, signal converters (analog-to-digital and others that may be used), switch panels, interface i electronics, computers, power supplies, displays (CRT, strip chart recorders, gages, etc.), and l interconnected wiring, as needed to accomplish the test. l l I 7.2 input Channels l 1 ! The DAS shall receive up to (see Table 6-1) analog signals from various temperature, pressure, level, and differential pressure sensors; flow meters; valve position indicators; and other instrumentation utilized for test operation and monitoring, and record them in a digital form. Shielded wiring shall be used for all signal input leads to minimize noise interference in the signal. High frequency filters may also be used where shown to be appropriate and approved by the test sponsor. The test performer shall be responsible to assure that the DAS is capable of accepting and processing the range of output signals generated by the various instruments that may be used l during the course of testing. f 7.3 Sampling Rates The sampling rate of the instruments by the DAS shall be set by the physical phenomena being monitored and the response time of the instnament itself. To monitor rapidly changing t2570.wpf:1bC20394 71
WESTINGHOUSE PROPRIETARY CLASS 3 or oscillating phenomena, rapid scanning rates are desired, while slower scanning rates are acceptable for slower phenomena or slow response instruments. Thus, to provide for the efficient collection, storage, and handling of meaningful and useful data, the DAS may sample different instruments at different rates during the course of a test, and may vary the sampling rate for various instruments as dictated by the specific test run being performed. The sampling rate for the instruments planned for the test is to be two samples /second. Note l that this sampling rate is a minimum value; faster sampling rates are acceptable. Use of a slower sampling rate shall be reviewed and approved by the test sponsor prior to testing. i 7.4 On-Line Data Storage i The DAS shall have sufficient storage capacity to capture and store all digital data collected from a given test. The maximum duration of a test is not expected to exceed sixty (60) minutes. l The data shall be stored by the DAS in engineering units (pounds per square inch or pounds per second) in order to display any selected channels during the test operation in real time and to permit easy review of test results. The scaling factors used to convert the raw data signals (volts, millivolts, milliamps, etc.) to engineering units shall be documented. 7.5 On-Line Display l l l The DAS shall provide for the continuous on-line display of selected instruments or calculated l { test parameters before (pretest), during, and following (post-test) each test performed. In general, the information displayed shall be sufficient as to allow the test loop operators to assess the following:
- Initial test loop conditions meet those specified including steam supply pressure, CMT pressure, CMT level, SWR pressure, and SWR temperature.
- Expected events including CMT discharge flow, CMT temperature, and valve positions.
- That no unexpected post-test events that might negate the test have occurred )
l l All data displayed on line should be in the appropriate engineering units, temperature, pressure and flow, as applicable. 1:0570.wpf.1bC20394 72
WESTINGHOUSE PROPRIETARY CLASS 3 The on-line display shall be by CRT, with an echo to a print file for inclusion in day-of-test reports, see Section 9.1. 7.6 Test Validation f The DAS shall have the ability to perform a post-test validation check on the test performed. 1 In general, a valid test shall satisfy the following three criteria: l 1) Sufficient instrumentation channels are to be operable and their outputs recorded by the DAS to permit a CMT mass balance and energy balance.
- 2) Sufficient instrumentation channels are to be operable and their outputs recorded by the DAS to assure that the data needs addressed by the test are satisfied.
- 3) The initial test conditions should reasonably match those called for in the test matrix.
l To provide guidance in determining test validity, a pre-test validation " check list" that includes key parameters associated with the test shall be performed by the tester. For parameters l such as flow or temperature histories, a plot showing the predicted history, the history observed during the test, and limits of variation about the desired history, may be an l l appropriate presentation for use in test validation. The check list and any associated plots shall be provided post-test, along with a sumraary of other instrument outputs determined to'
- be critical to a successful test, for review by the test sponsor in assessing test validity (See l Section 9.0).
7.7 Data Transmittal Following the test group's post-test validation of the test, the test data shall be provided to the test sponsor on a magnetic medium (tape file, floppy disc, etc.). The final medium for the l data will be decided prior to testing and will be dependent upon the amount of data that will be generated. As a minimum, the data tape is to contain the following information: l
- Test run file header, containing the test run identification, date, and other pertinent information
- All of the data from one channel, presented one channel at a time l
l t:b570.wpf:1bC20394 73
WESTINGHOUSE PROPRIETARY CLASS 3
- An end-of-file mark at the conclusion of the data for a given test 1
A " prototype" data tape, containing signals typical of those to be recorded during matrix i testing, shall be provided to the test sponsor. This " prototype" data file can be provided from the pre-operational testing to assure that it can be read by equipment available to the test {.e sponsor. 4 i i i j i A l 4 i I I l l 1 i i l t:2570.wpf;1b/020394 7-4 l l
WESTINGHOUSE PROPRIETARY CLASS 3 ( 8.0 TEST OPERATION l All tests shall be conducted in accordance with written procedures which shall be submitted to the test sponsor for approval prior to conducting the test. l 8.1 Cold Pre-operational Tests Cold pre-operational tests shall be performed to characterize the CMT test facility. These I tests are to include:
- Fill and drains of the CMT, steam / water reservoir, and steam accumulator to establish tank volumes
- CMT draindowns with air to demonstrate the maximum CMT drain rate and ability to l
adjust (and repeat) a selected CMT drain rate l
- Measurement of the resistance of each of the CMT inlet and discharge lines
- Opening time and operability of the facility isolation and control valves
- Operability of the facility instrumentation and DAS l l
Note: These pre-operational tests are to be documented, as needed, to utilize the derived data for test analysis and computer code verification. 8.2 Hot Pre-operational Tests These tests shall be performed to characterize the test facility and to demonstrate the operability of the facility over the whole range of AP600 pressure and temperature operating conditions. These tests are to include:
- Characterization of all the facility thermocouples at steady state conditions
- Heat up of CMT walls by the rapid injection of steam into an empty (no water),
evacuated CMT
- Characterization of the occurrence and importance of steam jetting into a completely full (with cold water) CMT
- Demonstration of the operability of the CMT extemal condensate drain and level control tfoS70.wpt1b/020394 8.j
WESTINGHOUSE PROPRIETARY CLASS 3
- Measurement of the CMT steam line and water discharge line resistances at elevated temperatures (i.e., higher Reynold's numbers) l Note: These tests are to be documented, as needed, to utilize the obtained data for test l analysis and nuclear safety computer code verification. However, since some of these pre-operational tests may involve some " trial and error" operations, selected tests may be re-run l as required. Formal test reports for superseded test runs may be documented at a later time, based upon evaluation of pre-operational and matrix test data.
8.3 Matrix Test Separate types of tests will be performed to characterize CMT thermo-hydraulic phenomena. These tests are outlined below and a test matrix is provided in Table 8-1. 8.3.1 Steam Condensation on CMT Walls and Water Surface The rate at which steam condenses on the CMT walls will be measured with no water initially in the CMT in Tests 101-111. These tests will include steam addition into an evacuated (no air) CMT and tests with the CMT initially containing some air or helium. These tests will i provide direct measurements of the heat flux through the CMT wall versus time and measurement of the resulting steam condensation rate versus time. ! The rate at which steam condenses on the CMT walls and water surfaces and the heat up of the water surface will be measured while maintaining a fixed water level in the CMT in Tests 201-214. Four water levels, corresponding to the elevations of the groups of closely spaced fluid thermocouples inside the CMT and CMT wall thermocouples, will be tested. This will provide water heat up rates that result from the steam condensation on the four different wall areas plus condensation on the constant water surface area exposed to the steam. The setup conditions of the facility are as follows: l
- The CMT is at ambient temperature conditions and water is added to the CMT to the desired level to be used in the test run. The CMT water level controller is set to maintain this water level, and the CMT water discharge isolation valve is closed.
l
- Air is evacuated from the CMT, steam supply lines, and steam reservoir using the I vacuum connection (s). Note: Purge the steam water reservoir and CMT steam supply piping with steam (or use a vacuum pump to remove all air).
i ( in0570.wpf;1b/020394 82 i
l WESTINGHOUSE PROPRIETARY Cl. ASS 3 l l
- The steam supply lines are isolated from the CMT and the steam reservoir is pressurized with steam to the desired test pressure. The reservoir and the steam I supply lines are allowed to come to thermal equilibrium. .
!
- For Tests 106 to 111, air or helium is added to the evacuated CMT so that the CMT l pressure is at the desired percentage of the steam / water reservoir steam supply absolute test pressure (psia). I l
! l The tests run are initiated by fully opening the steam supply line no. 2 isolation valve to the CMT. I The overall rate of steam condensation on the tank walls and water surface is determined by measuring the amount of condensed steam drained from the CMT versus time, and by the flow rate of steam supplied to the CMT as measured by the steam line DP. Local CMT wall condensation rate versus time will be obtained from the tank wall thermocouples. The water heat up versus time will be measured using the corresponding set of water / steam thermocouples with vertical spacing in the tank. The rate of steam condensation on the CMT wall surface with and without noncondensible gas will be performed over a full range of steam j supply pressures, i.e., 10,135,685,1085, and 2235 psig. The rate of steam condensation on the CMT wall and water surfaces will be performed at 10,135,1085, and 2235 psig. I Refer to Table 8-1 for additional information. l ! l 8.3.2 CMT Heat Transfer During Depressurization l The rate at which the CMT walls and heated water surface provide heat / mass to the CMT 1 l steam space shall be measured after the steam condensation tests and shall use the final l conditions of Tests 101 to 214 as the initial conditions for the depressurization cases. For example, after the steam condensation on the CMT wall surface test at 2235 psia:
- The steam / water reservoir steam supply isolation valve (steam accumulator discharge isolation valve) and CMT level control valve are closed l
- The vent line from the steam / water reservoir is opened to initially establish an approximately 300 psi / minute depressurization of the CMT Similar depressurizations will be performed subsequent to the 1085 and 135 psig steam condensation tests at initial depressurization rates of 200 psi / minute and 50 psi / minute, l respectively.
1:V570.wpf;1b/020394 83 l i __ _ , . - , . - _4
WESTINGHOUSE PROPRIETARY CLASS 3 The rate at which heat transfer occurs from the tank to the steam will be obtained from the tank wall thermocouples. Similarly, the heat / mass transfer from the water surface to the CMT i steam will be obtained from the water / steam thermocouples and the CMT level measurement. I 8.3.3 CMT Draindown Tests 1 i Two sets of CMT draindown tests will be perfomied with no recirculation heat up of the CMT water prior to draindown initiation. Tests 301 to 316 are draindowns at constant pressure. j Tests 401 to 404 are draindowns performed while the steam supply pressure is decreased, similar to the expected plant depressurization with the Automatic Depressurization System (ADS) operating. In each of these two sets of tests, draindowns are performed with high steam line resistance (steam supply line no.1) or with the low steam line resistance (steam supply line no. 2). Initial conditions for these tests are as follows: t l
- The CMT is filled with water and then drained at atmospheric pressure (vents open) to
! set the CMT discharge line throttle and steam supply line no.1 valve positions to get the desired CMT draindown flow rate (s). This operation also verifies proper operation of the CMT discharge flowmeter and level instrumentation.
- The steam / water reservoir is filled above the low water level tap but well below the ;
l extended end of steam supply line no. 2. ;
- With the CMT discharge isolation valve closed, the CMT is filled with water.
- The remaining portion of the test loop including the steam / water reservoir is evacuated or purged with steam to remove any appreciable air and the steam supply isolation valves are closed.
Prior to CMT draindown:
- Steam is supplied to the steam / water reservoir and the reservoir and the steam supply piping are allowed to come to thermal equilibrium.
- The reservoir water, steam sparger connection is used to attain saturated reservoir
! water temperature during the heat up.
- The desired steam supply line is opened and the CMT draindown is initiated by simply opening the CMT discharge isolation valve.
1:W570.wpf:1bC20394 84 l
WESTINGHOUSE PROPRIETARY CLASS 3 8.3.4 Natural Circulation Followed by Draindown Tests 501 to 506 will simulate the heat up of the CMT water, with subsequent draindown and depressurization in these tests, the reservoir hot water level is initially maintained such that the extended end of steam supply line no. 2 is initially covered with water. The heated water in the reservoir will rise and replace the heavier, cold CMT water. The natural circulation flow rate versus time will be monitored as the CMT is filled with hotter water and the reservoir water temperature decreases. After the CMT has been heated to the depth desired (-1/5,
~1/2, or fully heated), the steam / water reservoir is drained. When the extended end of the steam supply line no. 2 is uncovered, CMT draindown will begin. When the CMT water level has dropped ~18 inches (level is ~97 inches), the steam / water reservoir will be depressurized during draindown to observe the behavior of the heated CMT water and level instrument measurement during ADS depressurization.
8.3.5 CMT Heat up, and Draindown Initiation with Noncondensible Gases Tests 601 to 612 will be performed with the steam / water reservoir heated to simulate the AP600 cold leg temperature, and the extended end of steam supply line no. 2 below the reservoir water level. In these tests the CMT steam supply lines from the isolation valves to the CMT will initially contain either steam or helium. The steam supply lines will be opened simultaneously with the CMT discharge line. The reservoir can provide steam via steam supply line no.1 or water via steam supply line no. 2. l tM570.wpf:1bC20394 85
r-Si 5 k TABLE 8-1 G AP600 CMT TEST MATRIX (Sheet 1 of 2) R Comments Test No. Test Type CMT Drain Rate Steam Supply
- Pressure (s) psig CMT waU condensation with and N/A CMT drain rate based 10/135!685/1085/2235, CMT initialty contains no water, and is 101-105 without noncondensible gases on steam condensation rate with subsequent evacuated (no air).
and drain capability. depressurization 106-108 to CMT initia!fy evacuated and then pressurized $ m with air (or N,) to .236,1.13 and 2.13 psia, respectively. g Z 1085 CMT initially evacuated and then pressurized C) 109-111 I with helium to 42,146, and 296 psia, respectively, h w 10/135/1085?2235, with CMT initially 90% and 75% fuD, CMT level m 201-208 CMT WaN and Water Surface N/A - CMT levet fixed. subsequent control used to maintain fixed CMT level. 7 Condensation Water drained from CMT via extemal path to match steam depressurization O ?
- 7 condensation 209-214 10/135/1085, with CMT initially 50% and 25% full, CMT level 2 subsequent control used to maintain fixed CMT level. Q depressurization >
33 Low resistance stearn supply line no. 2 utilized; 4 CMT draindown at constant 6/t1/16/ MAX 10/135/1085 301-312 drain rate controlled by discharge line O pressure resistance. h 03 Row rate controlled by 1085/2235 Discharge line resistance set to provide 6/16 313-316 steam supp9 line no.1 gpm. resistance, (3 ft/gpm'). CMT draindown dunng Discharge line resistance for 1085 followed by low resistance steam supply line no. 2 utilized, 401-402 depressurization 6/16 gpm depressurization to 20 drain rate controlled by discharge line resistance. Drain rate controtted by 2235 followed by Discharge line resistance set to provide 6/16 403-404 steam supply line no.1 depressunration to 20 gpm gravity drain rate at atmospheric pressure. resistance
e-G 9 9 k TABLE 8-1 AP600 CMT TEST MATRIX (Sheet 2 of 2)
$ Test No. Test Type CMT Drain Rate Steam Supply Comments Pressure (s) psig 501-502 Natural circulatbn followed by Discharge line resistance set 1085 foRowed by Steam supply line no.1 is closed. Reservoir draindown and depressurization for 6/16 gpm drain rate depressurization to 20 water level at 'HI* level. reservoir water temperature initially 545"F. Steam supply line no. 2 is opened to initiate natural circulation until one-fifth of CMT heated. Reservoir waterlevel 5 is reduced to initiate draindown. The steam supply is isolated and the water / steam reservoir d
is vented when the CMT is drained to 97 inches. Z O 503-504 Repeat with natural circulation until one-half of CMT heated. h C m 505-506 Repeat with natural circulation until CMT is m completely heated.
, ]
601-606 CMT actuation with both steam Discharge line resistance ses for 1835 - constant Reservoir water level "III*. Reservoir water l lines, with and without 6/16 gpm. Steam supply line temperature initially 545'F. Steam supply line na 1 2 l noncondensible gas. no. I resistance set to be 3 is open. Both steam supply line no. 2 and CMT Q 607-612 8P"'- 1085 - constant disdiarge lines opened simultaneously. Performed with steam, and with 146 and 296 psig of lie initially in Chfr side of steam sugply line no. 2. k g h w W ta I
WESTINGHOUSE PROPRIETARY CLASS 3 9.0 TEST REPORTS AND DATA REQUIREMENTS All test data shall be the property of Westinghouse Electric Corporation, and shall not be released, used, published, or otherwise disseminated without the express approval of the Company.
! The test data is to be documented by means of two types of reports: a day-of-test report and a final test report.
4 9.1 Test Criteria For each of the Matrix Tests identified in Section 8.3, specific test criteria will be provided by the test sponsor to the test group for each group of matrix tests prior to the actual performance of each test. The test criteria willinclude:
- 1. Initial conditions plus tolerance
- 2. Setpoints plus tolerance !
- 3. All instruments operational (exceptions approved by the test sponsor)
~
- 4. List of critical instruments that must function during the test.
> l
- 5. AP and P reference lines zeroed at end of test. I l
l The actual test parameters (Items 1 and 2 above), exceptions (Items 3 and 4 above), and any
- change in AP/P following refill of the reference lines after the test; shall be attached to the Day of Test Report. ,
1 9.2 Day-of-Test Report All data from collected from each test is to be provided to the test sponsor. Engineering as soon as practical following completion of a test run as a day-of-test report. This report shall include the following:
. Specific test criteria (as defined in Section 9.1) including:
. Copy of the signed-off pre-test check list used in establishing the test initial conditions
. Copy of the post test validation check list tnOS70.wpf:1bM20394 g.j
WESTINGHOUSE PROPRIETARY CLASS 3
- Copy of any key instrument outputs used to establish test validity
- Copies of any notes pertinent to the performance of the test
- Copy of all the test data on the magnetic medium agreed to by the test sponsor and the test performer
- Channel Assignment Table, associating instruments with specific DAS channels and identifying other information pertinent to instrument identification, as required a Reference to the calibration file, containing all information necessary to account for shifts in zero settings and convert raw instrument outputs from volts to engineering units One such day-of-test report is to be provided for each test performed.
9.3 Final Test Report Upon completion of testing, the test performer shall prepare and submit a final test report to the test sponsor. The final test report shall contain the following:
- Description of the test facility design, including engineering drawings, piping schematics, wiring schematics, and flow schematics
- Details of the instrumentation, including location and placement of instrumentation, data channel assignments, and instrumentation identification
- Description of the data acquisition system and data acquisition software capabilities
- Test matrices that were performed over the course of the experimental program a A description of the facility operation, including the test procedure
- Data collected from the test program
- Experimental error and uncertainty analysis for the data that accounts for errors associated with instruments, the DAS, manufacturing tolerances, and other factors, as appropriate
- Description of any data reduction tasks performed -
- Description and summary of the test verification tasks The final test report will serve to summarize and formally transmit the experimental data collected as a result of the program.
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WESTINGHOUSE PROPRIETARY CLASS 3 10.0 QUALITY ASSURANCE REQUIREMENTS Testing quality assurance shall conform to ANSI /ASME NOA-1-1986. As this is a safety related test, the Code of Federal Regulations, Title 10 Part 21, (10CFR21) is also applicable. To incorporate the requirements of NOA-1, the following measures shall be taken in the detailed test procedure: A) Provisions for ensuring that those performing the tests are qualified and trained in the quality assurance requirements of this specification B) Provisions for ensuring that changes to the test procedure are reviewed and approved to the same extent as the originals C) Provisions for ensuring that the latest approved revisions of the test procedure are used D) Provision for calibration of test equipment, traceable to recognized national standards; if no such standard exists, a description of the calibration method shall be included E) Provisions for verification and configuration control of computer software (if any) used to collect or reduce test data F) Provision for reporting and reconciling deviations from the approved test procedure G) Provisions (such as a signed checklist) for ensuring that test prerequisites are met H) Provisions for ensuring that necessary monitoring is performed and that test conditions are maintained (a test log containing periodic signed entries that include any pertinent observations or information not captured elsewhere is recommended) l) Documented evaluation of test results by the test sponsor to ensure that test requirements were met J) Identification in test records of items tested, date of test, instrumentation and data recorders, type of observation, results and acceptability, action taken in connection with noted deviations, and person who evaluates the test results t:W570.wpf:1b/020394 1 Q.j _ _ _ _ _ _ _ _ _ _ _ _ _ _ _}}