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To reduce water infiltration into the granular base of concrete walks and paved lanes, non-granular backfill must be placed to the top (surface) of the concrete or asphalt. This will enhance the long term performance of the walk or lane by minimizing water infiltration through the granular base.

The following diagrams and pictures illustrate the typical clay cap with sidewalk (for reference only):

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Development Services, Lot Grading

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

T5J 0J4

Telephone

311 or 780-496-5576

Fax 780-496-2865
Email lot.grading@edmonton.ca

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