Without the waterproofing and weeping tile installation, permission to backfill cannot be received. AG Construction is a Calgary contractor that does a good job of foundation coat and weeping tile. As an added bonus they have tremendous experience aiming and firing the gravel slinger to cover the weeping tile at the base of the footing. Unfortunately at this job site, due to a tree being in the way, and other site access problems, they decided the job could not done until the floor is installed on the foundation. However, the lack of power on site meant the floor was delayed, and it would be better structurally for the new concrete walls to have the floor installed prior to adding the weight of backfill to the foundation. No weeping tile means no backfill however, thus a typical construction stalemate ensues. At this point, as the builder, you must step in and make something happen to overcome the hurdle. Ordering the weeping tile guy and gravel slinger to arrive and offer to take on all liability should something go awry is one option, and in this instance proves successful. Once the process is complete, the city can be called to book the pre-backfill inspection.
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| foundation coat has been applied and the weeping tile is wrapped around the footing |
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| the slinger in action. they will shoot a few tonnes of gravel in the foundation to assist the plumber to bed his pipes under the slab |
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| the slinger is a tremendous way to move gravel, far easier than the wheelbarrow technique |
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| the weeping tile must be completely covered in gravel. if you do not do so, expect to fail the pre-backfill inspection |
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