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Residential Lot Grading - Rough Grade

This stage includes backfilling the foundation walls and shaping the lot to conform to the design of the approved Surface Drainage Plan. The Rough Grade Approval procedure should occur within 60 days of the initial site grading. It is the builder's responsibility to ensure that roof leaders (downspouts) and foundation drainage systems are installed according to the approved engineering drawings.

Applying for Rough Grade Approval

1. The builder or homeowner has the lot surveyed by an Alberta Land Surveyor(ALS), Professional Engineer or Architect who prepares a Plan of Certification of As-built Grades (Lot Grading Certificate).
2. Once the Lot Grading Certificate is complete, an electronic version is submitted to Drainage Services for review and approval. If paper versions are submitted they will be scanned. The applicant must provide information on the method of contact to Drainage Services in order to receive the Lot Grading Inspection Report. The three methods of contact are: fax, email or mail.
3. The City's lot grading section will review the Lot Grading Certificate in comparison to the lot grading plan for the area to verify the design elevations, lot type, drainage easement information and storm servicing information.
4. A City lot grading inspector will conduct a visual site inspection to verify that the lot is graded in accordance with the approved plan. This is usually done within five working days from receipt of the certificate, depending on weather conditions and workload.
5. A Lot Grading Inspection Report is sent to the builder or applicant, by the method of contact indicated in step 2, indicating whether Rough Grade Approval is granted or deficiencies exist.
6. If deficiencies exist, the builder must correct the deficiencies within 60 days and notify Drainage Services for a re-inspection.
   Note, if the lot grading inspector requested a re-submission of the Lot Grading Certificate or confirmation of an elevation(s) by an Alberta Land Surveyor (ALS), engineer or architect, then the Lot Grading Certificate must be sent to Drainage Services as indicated in step 2. The review and inspection process would then be repeated.

When the Rough Grade Approval is issued, the builder or applicant will be notified and information regarding the final grading and approval process will be sent to the property owner.

Note: If the builder or applicant chooses to do the final grading, they have the option of bypassing the Rough Grade Approval Stage for the Final Grade Approval stage.

For more information:

Drainage Services