steel construction - warehouse based on sandwich panel

Job ID: 33108388

Budget: €30 – €250 EUR

I need steel structural engineering Calculations, Analysis and Detail Engineering including connection design for:
- modular warehouse - size 12x7m (with possibility to extend length)
- steel frame based on square steel tube (30mmx30mm, or other if it will be too small from calculation).
- corner modular elements shall be welded from square steel tube (30mmx30mm & 25mmx25mm (one can fit inside another) and designed for an easy welding process.
- inside cover with sandwich panel (12mx~1.1m).
- outside of steel construction only one level of sandwich panel, other parts of wall and roof cover will glass wool insulation (2x50mm), cover with stretch tarpauline.
- front and back wall from the sandwich panel.
- full construction should be modular and easy to assemble and disassemble (steel frame shall be bolted together).

Attached sketch.