Under provisions of Drainage Bylaw 18093, and EPCOR Wastewater Services Bylaw 20865, all properties shall provide private drainage systems for stormwater runoff from roofs, parking areas, paved areas, courtyards, and side-yards. All surface drainage for commercial and multi-family properties must be controlled within the site.
Any property that has an approved Lot Grading Plan (Surface Drainage Plan) is required to submit a Lot Grading Certificate (As-Built Plan) to Development Services, Lot Grading for approval.
The following guidelines help to ensure that your lot and building meet the conditions for lot grading approvals:
- Lot Grading Plan (Surface Drainage Plan)
- Lot Grading Certificate (As-built Plan)
- Surface Elevations (Design Grades)
- Minimum Grade from Foundation Walls
- Drainage Swales
- Downspouts
- Sump Pump Discharge
- Splash Pads
- Maintenance and Enforcement
The City's Drainage Bylaw provides complete information about lot grading requirements.