Barndominium Septic and Openings Specs

I need professional drawings for specific underground septic system components and precise door and window specifications for my barndominium project.

Septic System:
- Drain field layout
- Connection lines

Door Specifications:
- Size and dimensions
- Spacing from corners of each location

Window Specifications:
- Spacing from corners for metal cutouts

Ideal Skills and Experience:
- Experience with septic system design
- Architectural drafting for openings
- Attention to detail and accuracy
- Familiarity with barndominium projects