Structural Drawing Update

I need structural drawings updated to reflect minor renovations. You will be working from existing CAD drawings. Requirements: - New front door - New window - Walk-up counter - Possibly moving two walls... (Budget: $250 - $750 USD, Jobs: 3D Design, 3D Drafting, 3D Modelling, AutoCAD, Building Architecture, CAD/CAM, Home Design, Structural Engineering)