3D AutoCAD Model for Substation

I need a detailed 3D Federated AutoCAD model of a substation for clash detection purposes. The existing 2D AutoCAD drawings of the equipment and site layout will be provided. Requirements: - Model electrical... (Budget: £5000 - £10000 GBP, Jobs: 3D CAD, 3D Design, 3D Drafting, 3D Modelling, 3D Rendering, 3D Visualization, AutoCAD, CAD/CAM, Electrical Engineering, Structural Engineering)