Metal Fabrication Drawing for outboard engine trolley

I need a detailed fabrication drawing for a outboard engine trolley out of metal box tube. The drawing should include:

- Dimensions and tolerances
- Welding instructions
- Material specifications

Ideal skills and experience:
- Proficiency in creating fabrication drawings for metal works, especially box tubes
- Strong understanding of welding processes and requirements
- Experience with dimensioning and tolerancing in technical drawings

Please provide samples of similar work.