TECHNICAL NOTE related to the Market survey on Water Holding Tanks for the Water Detritiation System (WDS) Prepared by Reviewed by Approved by ---

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1 Page 1 / 5 Ver. 1.1 TECHNICAL NOTE related to the Market survey on Water Holding Tanks for the Water Detritiation System (WDS) INDUSTRY SURVEY Document Reference: F4E_D_2ENZ79 Revision Number: 1.1 ITER PA/ITA Reference: Subject: Issuer Entity: Overview of the procurement of ITER tritiated water holding tanks for the Water Detritiation System (WDS) Fusion for Energy (EU DA) Prepared by Reviewed by Approved by --- Name & Affiliation Name & Affiliation Name & Affiliation J. Benet (TRO) G. Piazza A. Teissier. B. Perier Date: Date: Date:

2 Page 2 / 5 Ver ITER TRITIUM PLANT ITER is the next generation fusion machine and will be operated with tritium plasma. A Tritium Plant will be built to support ITER operations with the following main functions: a. processing of the gases returned from the machine and from other sources within ITER in order to recover deuterium and tritium and to release the left over detritiated gases into the environment; b. preparation and storage of the gas mixtures required for fuelling; c. confinement and containment of tritium (safety functions). 2. WATER DETRITIATION SYSTEM (WDS) During ITER operation, including maintenance campaigns, tritiated water will be generated by various sources, and accumulated. This tritiated water will be stored on site and processed in the WDS where it will be converted to gaseous hydrogen and oxygen streams using the Combined Electrolysis Catalytic Exchange (CECE) technology. The produced tritiated hydrogen isotope mixtures will be sent to hydrogen Isotope Separation System, whereas detritiated protium and oxygen will be discharged into environment within the authorized release limits. The ITER WDS will be located in the Tritium Plant Building and will comprise: 1) The tritiated water holding tank system for temporary storage of tritiated water (tritium concentration in the tanks is up to 300 Ci/kg) in dedicated tanks according to its tritium concentration. 2) The main Water Detritiation System for processing this water. 3. SCOPE OF THE MARKET SURVEY To establish an optimum contract strategy in line with its targets and consistent with industries capabilities, F4E is assessing the market situation and identifying possible EU suppliers interested in manufacturing two 7 m 3 and two 12 m 3 tanks starting from a preliminary design supplied by F4E. These tanks are classified as PIC under the French INB Order of 7th February 2012, design and manufacturing activities are entitle to be classified as PIA (Protection Important Activities) under the same Order. The scope of the contract will include: - Develop and maintain a specific quality plant compliant with the French INB Order of 7th February Development of Final Design design for the two types of tanks including Seismic analysis. - Provide requirement verification reports for final design. - Preparation of all the Final Design Review required documentation.. - Participation to the design review in support of F4E in order to get ITER-IO approval of design.

3 Page 3 / 5 Ver Development of built to print design for the two types of tanks. - Production of all required manufacturing documentation. - Manufacturing of tanks (2x7 m 3 and 2x12 m 3 ); - Carrying out of acceptance testing at the Supplier site. - Provide requirement verification reports after manufacturing. - Transportation of the tanks to ITER site. 4. WATER HOLDING TANKS. The following data sheets describe the preliminary characteristics of the scope of supply. WDS Holding tanks 7 m 3. WDS Feeding tanks 12 m 3.

4 Page 4 / 5 Ver. 1.1 DATA SHEET Title: Holding Tanks FLUID ITER CLASS Fluid Tritiated w ater + N2 Quality class QC 1 Density kg/m³ 1000 Safety class PIC/SIC-1* Fluid type (L/G ref PED) L/G Seismic class SC-1(S) Fluid group (I/II ref PED) I Vacuum class Tritium class TC 2A OPERATION DATA STANDARDS AND CODES Normal operation Legislation PED 2014/68/EC Pressure (barg) Design code Temperature ( C) Seismic code ASME III, Div. 1, Appx.N Allowed operation Fire rating Pressure (barg) - 1 / 0.5 PED risk category Temperature 5/50 ESPN level min./max.( C) Max. filling factor (%) 80 CONSTRUCTION Type Vertical Open Cylindrical Horizontal Enclosed Spherical TEST DESIGN CHARACTERISTICS Type Yes No Code Dimensions Liquid Penetrant Diameter (mm) Ø 1800 ASME VIII, Div. 2, (100% Diameter Shell/ Radiography of radiographable w elds) Cl Shell Height/Length ( ) (mm) - / 2000 Helium Leak Test ITER tritium handbook, (- Total Height/Length (mm) - / 2968 Air Leak Test 1 ASME b ) VIII, Div.2 Thickness (mm) 10 Magnetic Part. Surface Preparation < 6.3 m** Ultrasonic Corrosion allow ance 3 Heat Treatment ( Nominal ) capacity (m 3 ) 5 Post w eld heat treat. Weight Pressure test Empty (kg) 2490 Min. pressure (barg) Erected (w ith filling) Temperature (oc) 20 (kg) Operating (kg) 6490 Medium Demineralised w ater Insulation (mm) Type of insulation - Weight of insulation(kg) - Type of head Ellipsoidal Type (2:1) (DIN 28013) Internal pressure (barg) 0.5 External pressure (barg) 0.2 Temperature ( C) 50 Maximum allow able 0.5 Joint efficiency 1 (ASME VIII, Div. 2) Pressure relief capacity MATERIAL PARTICULARS SPECIFICATIONS Designation Material Code Shell SA 240 Head SA 240 Nozzle SA 312 or SA 182 Internal SA 182 SA 312 (SEAMLESS) Packing Support SA 240 Bolts 304 SA 320 Gr.B8 Nuts 304 SA 194 Gr.8 Grounding Gasket Helicoflex or equivalent SA 479 Materials for w elding Welding prescription Welding prescription NOZZLES Ref DN m m Class Pipe standard Connection Length Purpose (inch) Standard Type M1 600/24" #150 - ASME Manhole N1 25/1" #150 ANSI B36.19M ASME N2 50/2" #150 ANSI B36.19M Inlet Q2O batch feed N3 50/2" #150 ANSI B36.19M Q2O from pump set 2 N4 25/1" #150 ANSI B36.19M Q2O to pump set 1 N5 50/2" #150 ANSI B36.19M Q2O to pump set 2 N6 50/2" #150 ANSI B36.19M Q2O to pump set 3 N7 50/2" #150 ANSI B36.19M ASME Inlet utilities WD N8 15/½" #150 ANSI B36.19M Inlet N2 utilities (SIC) N9 50/2" #150 ANSI B36.19M Q2 prevention system outlet N10 100/4" #150 ANSI B36.19M Gas balance manifold N12 15/½" #150 ANSI B36.19M Measurement bypass return line N13 100/4" #150 ANSI B36.19M 80 % overfilling line N13 15/½" #150 ANSI B36.19M ASME N14 50/2" #150 ANSI B36.19M Utilities N2 N15 50/2" #150 ANSI B36.19M ASME N16 50/2" #150 ANSI B36.19M ASME N17 200/8" #150 ANSI B36.19M ASME Q1 50/2" #150 ANSI B36.19M ASME Measurement bypass inlet L1 50/2" #150 ANSI B36.19M ASME Level sw itch L2 50/2" #150 ANSI B36.19M ASME Level sensor P1 50/2" #150 ANSI B36.19M ASME Pressure sensor

5 Page 5 / 5 Ver. 1.1 DATA SHEET Title: Feeding Tanks FLUID ITER CLASS Fluid Tritiated w ater + N2 Quality class QC 1 Density kg/m³ 1000 Safety class PIC/SIC-1* Fluid type (L/G ref PED) L/G Seismic class SC-1(S) Fluid group (I/II ref PED) I Vacuum class Tritium class TC 2A OPERATION DATA STANDARDS AND CODES Normal operation Legislation PED 2014/68/EC Pressure (barg) Design code Temperature ( C) Seismic code ASME III, Div. 1, Appx.N Allowed operation Fire rating Pressure (barg) - 1 / 0.5 PED risk category Temperature 5/50 ESPN level min./max.( C) Max. filling factor (%) 90 CONSTRUCTION Type Vertical Open Cylindrical Horizontal Enclosed Spherical TEST DESIGN CHARACTERISTICS Type Yes No Code Dimensions Liquid Penetrant Diameter (mm) Ø 2500 ASME VIII, Div. 2, (100% Diameter Shell/ Radiography of radiographable w elds) Shell Cl Height/Length ( ) (mm) - / 1900 Helium Leak Test ITER tritium handbook, (- Total Height/Length (mm) - / 3230 Air Leak Test 1 ASME b ) VIII, Div.2 Thickness (mm) 12 Magnetic Part. Surface Preparation < 6.3 m Ultrasonic Corrosion allow ance 3 Heat Treatment ( Nominal ) capacity (m 3 ) 12 Post w eld heat treat. Weight Pressure test Empty (kg) 4010 Min. pressure (barg) Erected (w ith filling) Temperature (oc) 20 (kg) Operating (kg) Medium Demineralised w ater Insulation (mm) Type of insulation - Weight of insulation(kg) - Type of head Ellipsoidal Type (2:1) (DIN 28013) Internal pressure (barg) 0.5 External pressure (barg) 0.2 Temperature ( C) 50 Maximum allow able 0.5 Joint efficiency 1 (ASME VIII, Div. 2) Pressure relief capacity MATERIAL PARTICULARS SPECIFICATIONS Designation Material Code Shell SA 240 Head SA 240 Nozzle SA 312 or SA 182 SA 182 Internal SA 312 (SEAMLESS) Packing Support SA 240 Bolts 304 SA 320 Gr.B8 Nuts 304 SA 194 Gr.8 Grounding SA 479 Gasket Helicoflex or equivalent Materials for w elding Welding prescription Welding prescription NOZZLES Ref DN m m Class Pipe standard Connection Length Purpose (inch) Standard Type M1 600/24" #150 - ASME Manhole N1 25/1" #150 ANSI B36.19M ASME Inlet Q2O from purification unit 1 N2 50/2" #150 ANSI B36.19M Outlet Q2O N3 50/2" #150 ANSI B36.19M Vent line to TC-DS N4 25/1" #150 ANSI B36.19M Inlet utilities WD N5 50/2" #150 ANSI B36.19M Inlet N2 utilities (SIC) N6 50/2" #150 ANSI B36.19M Utilities N2 N7 50/2" #150 ANSI B36.19M ASME Measurement bypass return line Q1 15/½" #150 ANSI B36.19M Measurement bypass inlet L1 50/2" #150 ANSI B36.19M Level sw itch L2 100/4" #150 ANSI B36.19M Level sensor P1 15/½" #150 ANSI B36.19M Pressure sensor N8 100/4" #150 ANSI B36.19M 90 % overfilling line N9 15/½" #150 ANSI B36.19M ASME N10 50/2" #150 ANSI B36.19M N11 50/2" #150 ANSI B36.19M ASME N13 50/2" #150 ANSI B36.19M ASME N13 200/8" #150 ANSI B36.19M ASME

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