The procurement of the Heating Neutral Beam (HNB) Drift Ducts (DD) consists in the Drift Duct Bellows and the Drift Duct Liner and is based on a Build-to-Print (BtP). Additional tools necessary for the Factory Acceptance…
Tests are also part of the procurement and are designed up to built-to-print level by IO. Finally, few equipment (tools, jigs, fixtures, test bench, but also the Mineral Insulated cables) will be designed and delivered by the supplier. The DD parts have been designed and shall be manufactured in ac
cordance with (EN 14917) for the bellows, SDC-IC for the DD Liner (the manufacturing requirements are defined in the Annex B) and RCC-MR 2007 (class 2). The NB DD is classified ITER Quality Class 1 and ITER Safety Class 1, PED Cat I and ESP