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The elevation of foundation pad for a detached garage or other building must be situated to provide positive slope away from the building. Surface drainage must be directed towards the side-lot swales and/or City Right-of-Way.

An internal drainage swale is required between the house and the detached garage. Lot Grading Certificate must include the elevation of all concrete pads. Building must be completed before applying for grading approval

Provide a minimum 5% slope away from the garage wall for a distance of 2 m or provide a 15 cm drop to the common property swale if there is insufficient space to provide a 2 m gradient.

A permit is required for detached garage from the Urban Form and Corporate Strategic Development Department of the City of Edmonton. Call 311 for details.

The following pictures are the examples for detached garage or building grading (for reference only):

For More Information

Development Services, Lot Grading

2nd Floor, Edmonton Tower
10111 104 Avenue NW
Edmonton, AB

T5J 0J4



Fax 780-496-2865

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