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The Senior Draftsman – Tekla 3D RC Modeller is responsible for delivering high-quality 3D reinforced concrete models and detailing using Tekla Structures for the most complex buildings of the EPR Nuclear Island on Sizewell C. The role is primarily production-focused, with strong technical autonomy on RC modelling, working in close coordination with the Chief Draftsman and the BIM Coordinator within a BIM-managed and regulated nuclear environment. Scope of Works – Nuclear Island Buildings: The role will primarily support modelling activities for Nuclear Island structures, including: Reactor Buildings and Common Raft, Fuel Buildings, Safeguard Buildings, Airplane Crash-resistant Buildings. These structures involve very thick RC sections, high reinforcement densities, complex embedments, and stringent constructability constraints.
Job Responsibility:
Develop and maintain 3D reinforced concrete models using Tekla Structures
Model complex RC elements, including: Common rafts, basemats, thick walls and slabs, Highly congested reinforcement layouts, Openings, penetrations, embedments, and construction joints
Produce RC detailing deliverables: General Arrangement (GA) drawings, Reinforcement drawings, Bar Bending Schedules (BBS)
Accurately implement engineering sketches, mark-ups, and design comments into the Tekla model
Work within a BIM-managed environment in accordance with the project BIM Execution Plan (BEP)
Coordinate closely with: Chief Draftsman / Lead RC Detailer for technical direction and prioritisation, BIM Coordinator for model federation, clash management, and exchanges
Ensure Tekla models comply with: Model structure and naming conventions, Required Level of Detail (LOD) and Level of Information (LOI)
Support the resolution of clashes and interface issues identified during coordination reviews
Deliver modelling outputs in compliance with: Project procedures and nuclear quality requirements, Applicable design codes (Eurocodes, RCC-CW where applicable)
Apply a strong nuclear safety culture in all modelling activities
Manage model revisions in line with document and model control processes
Support responses to design reviews and construction queries related to RC detailing
Requirements:
Proven experience in 3D reinforced concrete modelling using Tekla Structures
Strong understanding of RC detailing rules and constructability
Ability to interpret structural drawings, calculations, and engineering intent
Experience on large infrastructure or complex building projects
High level of accuracy, rigour, and quality awareness
Ability to work efficiently within a structured multidisciplinary team
Must have the right to work in the UK
Nice to have:
Experience on nuclear or regulated projects
Exposure to EPR / HPC / SZC-type structures
Familiarity with BIM workflows and CDEs (e.g. ProjectWise)
Experience dealing with dense reinforcement and safety-critical RC structures