Chalon/Saint-Marcel manufacturing plant - AREVA

MASTERY OF HEAVY COMPONENTM A N U F A C T U R I N GThe plant at Chalon/St. Marcel is at theheart of the manufacturing chain fornuclear steam supply systems (NSSS)supplied by AREVA.On the basis of engineering data, theplant manufactures reactor vessels,reactor vessel internals, steamgenerators, pressurizers and relatedcomponents such as accumulators,auxiliary heat exchangers andsupporting elements.Other similar components such asreactor vessels for boiling water reactors(BWR) or high temperature reactors(HTR) and other types of steamgenerators can also be manufactured inthe plant (for example Once ThroughSteam Generators – OTSG).The basic activities performed atChalon/St. Marcel are metalworking andheavy machining. These activities arecarried out in strict compliance withnuclear safety rules.The availability of all of these skills,brought together on a single site andapplied to heavy Nuclear Steam SupplySystem (NSSS) components, allowsChalon/St. Marcel undeniableadvantages in terms of quality andcompetitiveness.The plant is also involved:Vessel upper internals■upstream by adapting the designinput from engineering to theproduction constraints and qualitycontrol requirements,■and downstream by producing stressreports proving the componentresistance to the specified in-serviceconditions.6