Grading and Drainage Plans

For Permit Approvals and Lot Compliance

Plans that manage water and land use effectively.

Our team creates grading and drainage plans for municipal approval, showing how surface water will flow on your property. These are essential for new builds, infill projects, and additions to ensure proper drainage and by-law compliance.

  • Site grading design
  • Drainage and stormwater plans
  • Lot coverage and compliance mapping
  • Municipal submission packages
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Site Analysis & Survey Review

  • Review site survey and topographic information
  • Assess existing drainage and grading conditions
  • Identify municipal requirements and by-law compliance needs
  • Evaluate stormwater management requirements
Two workers discussing plans on a sandy construction site, wearing safety gear.

Grading Design Development

  • Design optimal site grading for proper drainage
  • Plan stormwater management and runoff control
  • Ensure lot coverage and setback compliance
  • Coordinate with architectural and landscape plans
Architects discussing detailed blueprints and schematics at a table.

Drainage Calculations & Modeling

  • Perform stormwater calculations and flow analysis
  • Model drainage patterns and overflow scenarios
  • Ensure municipal stormwater management compliance
  • Optimize grading for functionality and aesthetics
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Plan Preparation & Documentation

  • Create detailed grading plans and spot elevations
  • Prepare drainage details and stormwater management plans
  • Document lot coverage and compliance mapping
  • Prepare municipal submission packages
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Other Services

Architectural Design
Structural Engineering
Mechanical & Electrical
Permit Code Support
Building Science

FAQs

Are grading and drainage plans required for all residential and commercial projects?

Yes. Most municipalities require grading and drainage plans for new builds, additions, infill lots, or site alterations to ensure proper stormwater management and by-law compliance.

Absolutely. We develop grading and drainage plans for multi-unit residential and light commercial projects, ensuring site functionality, safety, and municipal approval.

Grading plans show how surface water will flow and be managed on your property. They are a key part of municipal review and can help prevent costly delays during the permit process.

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