Wooden Shed Engineering Stamp

I need an engineered stamp for a permit on one medium-sized wooden storage shed (100-200 sq ft) and a 20 foot container. Primary issue is the attachment to the ground for hurricane protection. I have... (Budget: $250 - $750 USD, Jobs: AutoCAD, Building Design, Building Engineering, Building Regulations, CAD/CAM, Civil Engineering, Construction, Construction Engineering, Engineering, Structural Engineering)