Excavate and Level the Foundation
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If it aint compacted, get ready for a sinker.
What happens here
Before any base materials are laid, the project area's subgrade (the existing ground) must be prepared. This involves excavating to the correct depth, ensuring proper drainage, and removing any organic matter or soft spots. The excavator shown in the video is typically used for this initial heavy digging and earth-moving tasks. Although not explicitly demonstrated in detail, ensuring a level and firm subgrade is foundational to the entire project's stability and longevity.
Goal: Establish a firm, level, and well-drained subgrade as the foundation.
Tools and materials
- Excavator — Heavy digging and earth-moving for subgrade preparation
- Line Levels — Checking the level and slope of the subgrade
- Measuring Tape — Measuring excavation depths and dimensions
- Rake — Leveling and smoothing the subgrade
- Shovel — Fine grading and moving smaller amounts of soil
- Existing Soil — The natural ground that will be excavated and prepared