WBS 1 Stellarator Core Systems

PDR Baseline

WBS Level 3 WBS Level 4

WBS 11 - Plasma Facing Components

WBS 111- Limiters

WBS 112 - Internal Liner - NOT IN BASELINE

WBS 113 - Internal Trim Coils - NOT IN BASELINE

WBS 114 - Local I&C- NOT IN BASELINE

WBS 12 - Vacuum Vessel Systems WBS 121 - Vacuum Vessel Assembly

WBS 122 - Thermal Insulation

WBS 123 - Heating & Cooling Distribution System

WBS 124 - Vacuum Vessel Supports

WBS 125 - Local I&C

WBS 13 - Conventional Coil Systems WBS 131- TF Coils

WBS 132 - PF Coils (PF Solenoid  & PF Ring Coils)

WBS 133 - External Trim Coils

WBS 134 - Conventional Coils Local I&C

WBS 14 - Modular Coils WBS 141 - Winding Forms

WBS 142 - Windings & Assembly

WBS 143 - Local I&C

WBS 144 - Winding Facility & Fixtures

WBS 15 - Coil Support Structures WBS 151 - Coil Support Structures (All but Central Solenoid)

WBS 152 - Central Solenoid Support Structure - Will be moved to WBS Element 132 as part of CD-2 baseline

WBS 153 - Local I&C - Will be moved to WBS Element 151 as part of CD-2 baseline

WBS 16 - Coil Services WBS 161 - LN2 Distribution System

WBS 162 - Electrical Leads (Inside Cryostat)

WBS 163 - Coil Protection System

WBS 17 - Cryostat and Base Support Structure WBS 171 - Cryostat

WBS 172 - Base Support Structure

WBS 18 - Field Period Assembly WBS 181 - Planning & Oversight

WBS 182 - TFTR Test Cell Preparation

WBS 183 - Receipt,  Inspection, and Testing of Coils

WBS 184 - Receipt,  Inspection, and Testing of Vacuum Vessel

WBS 185 - Field Period Assembly

WBS 186 - Tooling Design and Fabrication

WBS 187 - Measurement Systems

WBS 19 - Stellarator Core Systems Management & Integration WBS 191- Stellarator Core Management and Oversight

WBS 192 - Stellarator Core Integration & Global Analysis