Surface Area Takeoff from Revit

I will share a Revit (.rvt) model and need an accurate take-off that tells me exactly how many square feet of surface area require a special coating. Your task is to open the file, isolate every surface flagged for that finish, measure it, and give me a clear, verifiable total... (Budget: $30 - $250 USD, Jobs: 3D Modelling, 3D Rendering, AutoCAD, Autodesk Revit, Building Design, Civil Engineering, Construction Management, Data Analysis, Project Management, Revit)