Backfilling and Final Site Preparation (Chunk 3)
25:59
30:55
29.2K views
At 25:59 in
Building wall collapses
What happens here
Begin backfilling the excavated trench using sand. Spread the sand in layers, ensuring even distribution around the newly installed foundation wall. Use a plate compactor to thoroughly compact each layer of sand, eliminating voids and preventing settling. This process helps to firmly support the new wall and restores the ground stability. Once backfilling is complete, the site can be prepared for any final grading or surface restoration (e.g., concrete slab replacement).
Goal: Restore the ground around the foundation and ensure stability.
Tools and materials
- Plate compactor — Compacting backfill material
- Sand — Backfilling the trench
- Shovels and rakes — Spreading and leveling sand
- Skid-steer loader — Moving and spreading large quantities of sand
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