SERVICES

At Devish Design Services Inc., we specialize in septic system design, lot grading plans, and site evaluations for residential and commercial projects across Hamilton, Ottawa and surrounding rural areas. Our goal is to deliver practical, code-compliant solutions that make the building and approval process smooth and stress-free for our clients. 

1. Septic System Design and Planning

• Residential septic system designs (new homes, rebuilds, additions)

• Commercial/multi-unit system designs (small businesses, farms, churches)

• Advanced systems (tertiary treatment units like Ecoflo, Waterloo Biofilter, NORWECO, etc.)

2. Septic Permit Applications

• Complete handling of all paperwork for City or Conservation Authorities

• Liaison with Building Department, Septic Permit Authorities, and Conservation (e.g., Niagara Escarpment Commission, South Nation Conservation, Rideau Valley Conservation Authority, etc.)

3. Septic System Replacements / Upgrades

• Design support for replacing failed or outdated septic systems

• Design retrofits to meet new code standards (OBC Part 8)

4. Lot Grading Plans

• Lot grading and drainage plans for rural subdivisions and country lots

• Required by many townships (Hamilton, Flamborough, Ancaster, Ottawa, Manotick, etc.)

5. On-Site Soil Testing

• Soil analysis for septic suitability (percolation tests / grain size analysis)

• Test pit evaluation reports

5. Site Surveying

• Surveying property with the help of advanced Surveying equipment such as Total Station or GPS for determining elevation of the grades, which is vital for CAD design.

Ready to get started?

Whether you're building a new home, upgrading a septic system, or need expert grading solutions, we're here to help. Contact Devish Design Services Inc. today for a consultation and find out how we can make your project a success.