PDF Building Plan Editing

I need an editable PDF copy of a 30,000 sq. ft. manufacturing layout. This will be used as a master sheet for future additions like "stickers" for extinguisher locations, hazmat, etc. Think "simple". Deadline is by Wednesday, July 26... (Budget: $30 - $250 USD, Jobs: Adobe Acrobat, Adobe Creative Cloud, Adobe InDesign, Architectural Engineering, Editing, Graphic Design, PDF)